Note: This page contains sample records for the topic universidad nacional abierta from Science.gov.
While these samples are representative of the content of Science.gov,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of Science.gov
to obtain the most current and comprehensive results.
Last update: November 12, 2013.
1

The Universidad Nacional Abierta of Venezuela. A Case Study in Distance Learning Systems.  

ERIC Educational Resources Information Center

|A brief description of the country of Venezuela (geography, population, economy, internal communications, and politics) and its educational system introduce a description of the Universidad Nacional Abierta (UNA). The UNA was opened in July 1978 to expand the national system of higher education by the use of distance learning techniques. These…

Friedman, H. Z.

2

Reformulation of Engineering Education at Undergraduate Level in the Faculdad de Ingenieria y Ciencias Hidricas Universidad Nacional del Litoral--Water Resources and Engineering Degrees.  

ERIC Educational Resources Information Center

|This paper explains the educational changes in the Water Resources Engineering program offered by the Universidad Nacional del Litoral in Santa Fe, Argentina, for the last 20 years at the undergraduate level. The need for modernizing the engineering teaching program occurred due to changes in the social system in which the concepts of development…

Theiler, Julio; Isla, Miguel; Arrillaga, Hugo; Ceirano, Eduardo; Lozeco, Cristobal

3

Strategies, Programs and Projects 2008 of the Astrophysical Group "SPACE-Universidad Nacional Mayor De San Marcos, Peru" - Preparing for the IYA2009  

NASA Astrophysics Data System (ADS)

We present a review of our efforts to introduce astronomy as scientific career in Peru, showing how our astronomy outreach programs have been one of the most important keys to reach our national astronomical scientific goals, remarking the crucial role that the celebration of the IYA2009 must play, in order to promote PhD programmes in astronomy in developing countries. We show the importance of the creation of the Seminario Permanente de Astronomía y Ciencias Espaciales (SPACE) in the Universidad Nacional Mayor de San Marcos, as an academic scientific and cultural center in Peru, to support our 26 years-old "Astronomical Fridays” which are addressed to wide range of public, from schoolchildren to scientists. We also show how important was to rediscover our ancient astronomical cultural past of Incas in order to promote the construction of a Astronomical Center located near Cusco city over 4000 meters above sea level, which includes a tourist-educational observatory, a scientific optical observatory and a solar radio observatory.

Vera, Victor; Aguilar, M.; Huisacayna, J.

2008-05-01

4

Physics Department, Universidad Nacional de Colombia, Of. 370, Edif. 404, Ciudad Universitaria, Bogotá, Colombia  

NASA Astrophysics Data System (ADS)

The vibrational modes of a C molecule irradiated with ultrafast laser pulses are studied, using a tight binding approach with variable occupations. It is shown that for the same level of electronic excitation, measured through the electronic temperature, each mode suffers a distinct softening. Excited trajectories below and above the damage threshold, are examined. It is shown that the bond breaking processes and the ulterior fragmentation might be described in terms of the activation of softened vibrational modes; and that the changes in frequency can be dramatically larger than those estimated with the isothermal model.

Rios, Carlos; Valencia, Felipe

2010-08-01

5

Conservación de material histórico sobre papel en el Observatorio Astronómico de la Universidad Nacional de Córdoba  

NASA Astrophysics Data System (ADS)

At the recently created Astronomical Museum ``Pte. Sarmiento - Dr. Benjamin Gould", the task of preventive conservation of historic documents has been faced. These materials include: 1) letters exchanged between national authorities and the directors of the Observatory, during the first decades (1870-1880-1890); b) original observation logs from these very first times, containing astrometrical and photometrical data; c) a variety of ancient books and papers; d) administrative documents. The state of conservation of this patrimony was varied: since well-conserved books and letters, to highly degraded logs. The observation logs written by B. Gould and the astronomers who followed him had been stocked in a safe with a permanent humidity of about 70 %, without any ventilation and exposed to the attack of insects of the family ``dermestidae." These conditions could not be worse for the conservation of paper. In order to stop the proccess of degradation and create a healthy environment for written-paper conservation, a team was formed with personnel belonging to the Cultural Area of the Municipality. The tasks being performed on the observation logs are: 1) an initial, mechanical cleaning, performed once the material is extracted from the contaminated safe: by these means, adult insects and pupas are removed 2) a stage of about two weeks of duration, in which the logs are mantained in a vacuum chamber, in orden to completely eliminate the adult, pupa and egg stage insects by anoxia 3) the final mechanical cleaning 4) storage in a clean location. In order to perform these tasks, we work in collaboration with the Environmental Observatory of the City, and the group of Material-Science Research of Fa.M.A.F. Regarding the letters, a mechanical cleaning was performed. After that, the letters were digitized by means of a scanner, inventoried, put inside acid-free polipropylene envelops and filed for conservation, protected from intense light and external sources of contamination. Copies of these letters will be included as exhibits.

Laguzzi, N.; Tonini, A.; Andreoli, G.; Goldes, G.; Paolantonio, S.; Cequeira, F.; Landi, L.; Alba, J.

6

Speckle Interferometry and Speckle Photometry of Binary Stars at Telescopes of Observatorio Astronomico Nacional  

NASA Astrophysics Data System (ADS)

The Observatorio Astronomico Nacional (OAN) is a facility of the Instituto de Astronomía of the Universidad Nacional Autónoma de México (IA-UNAM). There are two astronomical sites where the four telescopes are mounted: one site is located at San Pedro Mártir (OAN-SPM), Baja California, and the second one at Tonantzintla (OAN-T), near Puebla, Mexico. These telescopes can be effectively used for speckle interferometric and for speckle photometric measurements of binary and multiple stars with the Rayleigh resolution limit R = 1.22 ?/D. Regular speckle interferometric measurements of binary stars have been made with telescopes of the OAN since 2008. In 2011 we start speckle photometric measurements in three colors (V,R,I). In 2012 two more spectral bands (U,B) were added.

Orlov, V.

7

Behavior competence development through e-learning: experience at the undergraduate level in the context of Aula a Distancia Abierta (ADA) Madrid, Spain  

Microsoft Academic Search

This communication presents the results of an innovative approach for competence development suggesting a new methodology for the integration of these elements in professional development within the ADA initiative (Aula a Distancia Abierta, Distance and Open Classroom) of the Community of Madrid. The main objective of this initiative is to promote the use of Information and Communication Technologies (ICTs) for

Ignacio de los Ríos Carmenado; José María Díaz-Puente; Francisca Gómez Gajardo

2011-01-01

8

International Beacon Satellite Symposium 1990, Universidad Nacional de Tucuman, San Miguel de Tucuman, Argentina, Mar. 27-30, 1990, Proceedings  

NASA Astrophysics Data System (ADS)

The present conference on beacon satellites encompasses ionospheric scintillations observations and modeling, the effects of large- and small-scale irregularities, TEC observations and modeling, ionospheric storm effects, as well as new approaches and techniques. Specific issues addressed include the role of the atmosphere in satellite geodesy, irregularities in the size of spike-type ionospheric scintillation, spatial estimates of Rayleigh-Taylor instability at the geomagnetic equator, differential Doppler-shift observations of ionospheric irregularities, electron-content studies in Argentina, and TEC obtained from ionogram data alone. Also addressed are solar-cycle differences in TEC for low solar activity, solar and magnetic activity effects on the latitudinal variations of nocturnal enhancement in TEC, ionospheric disturbance effects in F-region behavior, the software-receiver approach, and ionospheric imaging using multifrequency satellite beacons.

Manzano, Jose R.

9

Extrasolar Planet Research at Universidad de Chile  

NASA Astrophysics Data System (ADS)

I will present the latest publications and current status on projects lead by researchers and doctoral candidates at Universidad de Chile in the area of extrasolar planets. Making use of the privileged access to world-class telescopes, the research efforts are focused in ground-based observations. Long- and short-term projects are currently underway: (1) exoplanetary atmospheric characterization, (2) monitoring of southern transiting planets searching for transit-timing variations, (3) the Calan-Hertfordshire Extrasolar planet RV search (CHEPS), and (4) study of post main-sequence planetary hosts.

Rojo, Patricio; Hoyer, S.; Jenkins, J.; Jones, M.

2010-10-01

10

El papel de la Universidad en el desarrollo y la innovación tecnológica: la experiencia catalana (Relación Universidad-Empresa-Gobierno)  

Microsoft Academic Search

Este trabajo busca proporcionar algunos elementos que permitan valorar una de las facetas de la contribución de la Universidad a su nueva misión, aquella orientada al desarrollo tecnológico y, como consecuencia, al desarrollo económico. En la primera parte se plantea que la nueva misión de la Universidad, además de las funciones clásicas referidas a la formación de recurso humano y

Dolly Yazmín Camacho Corredor

2003-01-01

11

Faunistic catalog of the caddisflies (Insecta: Trichoptera) of Parque Nacional do Itatiaia and its surroundings in southeastern Brazil.  

PubMed

The Atlantic Forest is considered one of the world's biological diversity hotspots, and is increasingly threatened by the rapid destruction and fragmentation of its natural areas. The caddisflies (Trichoptera) of Itatiaia massif, an Atlantic Forest highland area, are inventoried and cataloged here. The catalog is based on examination of bibliographies, field work on many localities of Itatiaia massif (including Parque Nacional do Itatiaia - PNI), and the entomological collection Professor José Alfredo Pinheiro Dutra (DZRJ), Universidade Federal do Rio de Janeiro. A total of 92 species are recorded, representing about 17% of the known Brazilian Trichoptera fauna. Leptoceridae, Hydropsychidae, and Philopotamidae are the families most represented. The high species richness, as well as the remarkable patterns of species distribution, may be related to the characteristics of Mantiqueira mountain range. PMID:22958122

Dumas, Leandro Lourenço; Nessimian, Jorge Luiz

2012-01-01

12

Faunistic Catalog of the Caddisflies (Insecta: Trichoptera) of Parque Nacional do Itatiaia and its Surroundings in Southeastern Brazil  

PubMed Central

The Atlantic Forest is considered one of the world's biological diversity hotspots, and is increasingly threatened by the rapid destruction and fragmentation of its natural areas. The caddisflies (Trichoptera) of Itatiaia massif, an Atlantic Forest highland area, are inventoried and cataloged here. The catalog is based on examination of bibliographies, field work on many localities of Itatiaia massif (including Parque Nacional do Itatiaia — PNI), and the entomological collection Professor José Alfredo Pinheiro Dutra (DZRJ), Universidade Federal do Rio de Janeiro. A total of 92 species are recorded, representing about 17% of the known Brazilian Trichoptera fauna. Leptoceridae, Hydropsychidae, and Philopotamidae are the families most represented. The high species richness, as well as the remarkable patterns of species distribution, may be related to the characteristics of Mantiqueira mountain range.

Dumas, Leandro Lourenco; Nessimian, Jorge Luiz

2012-01-01

13

Boletín del Instituto Nacional del Cáncer - 07-20-2010  

Cancer.gov

El doctor Harold Varmus, acompañado de su esposa Constance Casey (centro), presta juramento como director del NCI ante la Secretaria del Departamento de Salud y Servicios Humanos, Kathleen Sebelius, el lunes 12 de julio. (Foto cortesía de Chris Smith) El 12 de julio, el doctor Harold Varmus prestó juramento ante la Secretaria del Departamento de Salud y Servicios Humanos de los Estados Unidos, Kathleen Sebelios, como el decimocuarto director del Instituto Nacional del Cáncer.

14

Weak magnetism in two neutrino double beta decay 1 Work partially supported by the CONICET from Argentina and the Universidad Nacional de La Plata. 1  

Microsoft Academic Search

We have extended the formalism for the two-neutrino double beta decay by including the weak-magnetism term, as well as other second-forbidden corrections. The weak magnetism diminishes the calculated half-lives in ?10%, independently of the nuclear structure. Numerical computations were performed within the pn-QRPA, for 76Ge, 82Se, 100Mo, 128Te and 130Te nuclei. Not one of the second-forbidden corrections modifies significantly the

C. Barbero; F. Krmpotic; A. Mariano; D. Tadic

1999-01-01

15

International Symposium on Equatorial Aeronomy, 8th, Universidad Nacional de Tucuman, San Miguel de Tucuman, Argentina, Mar. 21-27, 1990, Conference Digest  

NASA Astrophysics Data System (ADS)

Recent theoretical and observational studies of the upper atmosphere in the tropics are discussed in reviews and reports. Topics examined include incoherent scatter at the Jicamarca Radio Observatory, ionospheric drift measurements with digisondes, the role of the equatorial E region in the evening ionosphere, and electrojet and counter-electrojet effects observed by Magsat. Consideration is given to H-component analysis for annual and semiannual geomagnetic variations at La Quiaca, Pilar, and Trelew observatories; double-pulse spectral observations of a stable bottomside spread-F layer; magnetospheric disturbance effects on the equatorial ionization anomaly; the low-latitude F2 region maximum electron density distribution; and ionospheric and geomagnetic-field effects of the solar eclipse of March 18, 1988 in SE Asia.

16

Valorización de los residuos sólidos en la ciudad universitaria de la Universidad Nacional Mayor de San Marcos VALORIZATION OF THE SOLID WASTES IN THE SAN MARCOS UNIVERSITY CITY  

Microsoft Academic Search

The University Campus of the San Marcos Major National University with 20 faculties and 59 vocational schools holds above 12,000 students spending an average of 6 hours per day in the University Campus. Each school has a cafeteria for students, professors and clerical staff. All these persons generate solid residues. One of the most serious environmental problems of the current

Godelia Canchari Silverio; Oswaldo Ortiz Sanchez

17

Speckle Interferometry at the Observatorio Astronómico Nacional. IV  

NASA Astrophysics Data System (ADS)

We present speckle interferometric measurements of binary stars performed during September and October of 2009 with the 2.1 m telescope of the Observatorio Astronómico Nacional at SPM (Mexico). We report here the results of 200 measurements of 196 pairs with a primary limiting magnitude of V = 12.3. The measured angular separations range from 0".115 to 5".26. Ninety seven pairs have separations less than 1". The mean error in separation is 0".03 and 1°.5 in position angle. The usual 180° ambiguity was corrected for a majority of position angles by comparison with observations performed by other observers.

Orlov, V. G.; Voitsekhovich, V. V.; Guerrero, C. A.

2012-10-01

18

Experience the magic of light and color: outreach activity by Universidad del Valle student chapter  

Microsoft Academic Search

During 2007, the Universidad del Valle Student Chapter presented a proposal for developing an educational outreach activity for children from an underprivileged zone to the Optical Society of America Foundation (OSAF) and to SPIE. The activity was carried out jointly by OSA and SPIE Universidad del Valle Student Chapters in the hillsides of Santiago de Cali, in a zone known

Claudia Valdes; Camilo Reyes; Alberto Osorio; Efrain Solarte

2010-01-01

19

Las Relaciones Universidad- Empresa y su incidencia en la Producción Científica  

Microsoft Academic Search

El establecimiento de forma generalizada de las relaciones entre la Universidad y la empresa ha abierto un campo de estudio de gran interés, centrado en los efectos que tales relaciones pudiesen tener sobre las misiones universitarias tradicionales, especialmente sobre la investigación. En este artículo se analiza si las relaciones universidad empresa (RUE) inhiben la productividad científica de los profesores universitarios.

Liney Manjarrés-Henríquez; Antonio Gutiérrez-Gracia; Jaider Vega-Jurado; Andrés Carrión-García

2012-01-01

20

INTENCIÓN DE LOS ESTUDIANTES DE LA UNIVERSIDAD ICESI HACIA LA CREACIÓN DE EMPRESA  

Microsoft Academic Search

Este artículo presenta y analiza los resultados, para Colombia, de una investigación realizada entre los investigadores Gasse y Tremblay (2009) de la Universidad de Laval (Canadá) y profesores de la Universidad Icesi (Colombia), en donde se estudiaron muestras para Canadá, Francia, Túnez y Colombia. Para el caso colombiano se analizaron las percepciones de estudiantes de cursos obligatorios y electivos sobre

RODRIGO VARELA; ANA CAROLINA MARTÍNEZ; ALBA TATIANA PEÑA G

2011-01-01

21

[Return scholarship of the Universidad Peruana Cayetano Heredia].  

PubMed

Developing countries suffer from brain drain for many decades. Industrialized countries have raised their barriers against immigrants, but have created mechanisms to attract foreign professionals, with aggressive policies to capture talents, in an effort to increase their competitiveness. To mitigate the effects of the migration of scientists, the Universidad Peruana Cayetano Heredia has created its own "return scholarship" about 12 years ago, and has repatriated 12 scientists through it. The funds invested in attracting the scholars total U.S. $333,540.00 and they have secured U.S. $9,249,828.42 in research funds during the same period, a figure over 27 times higher. They have published 8 articles in national journals, 68 internationally, and trained 29 undergraduate and 20 graduate students as Thesis Tutors. Other universities and institutions of our countries can emulate this successful experience, which is still evolving. PMID:21152736

Guerra, Humberto

2010-09-01

22

The Universidad Complutense of Madrid meteor and fireball patrol station  

NASA Astrophysics Data System (ADS)

The Universidad Complutense of Madrid (UCM) has recently installed a high sensitivity video system to detect meteors. It is intended to study the entry in our atmosphere of interplanetary particles of mass greater than a gram. The station, not fully equipped yet, is a node of the national Spanish Fireball Network (SPMN) and includes cameras located at the Astronomical Observatory (Physics building) and others distributed around. The system has been automated to detect and record meteors only when the atmospheric conditions are good enough. Undergraduate and graduate physics students have collaborated to develop, install and test the system. Detections which are bright enough to drop a meteorite are analyzed using double station observations with the cameras of the SPMN nodes around Spain to determine their atmospheric paths, origin and landing area.

Zamorano, J.; Gallego, J.; Ocaña, F.; Sanchez de Miguel, A.; Izquierdo, J.; Manjavacas, E.; Ponce, R.; Garcia, L.; Saez, G.; Ramirez, P.

2011-11-01

23

Ayuda para usar el sitio web en español del Instituto Nacional del Cáncer  

Cancer.gov

Página de guía que le permite al lector entender la forma en que está organizado el sitio web del Instituto Nacional del Cáncer (NCI), las categorías de información disponibles y las políticas que rigen este sitio web.

24

The development of the Heliometer of the Observatório Nacional  

NASA Astrophysics Data System (ADS)

The Observatório Nacional at Rio de Janeiro has developed a new heliometer to perform accurate measurements of the solar diameter. The equipment makes use of split parabolic mirrors, rather than split achromatic lenses as objective. In its first campaign this reflector heliometer generated a few thousands of images of the Sun through which we evaluate the precision of the solar diameter measurements as been 5 mas. The mechanical and thermal stability of the instrument is guaranteed by the use of a telescope tube manufactured in carbon fiber. The tube firmly holds the heliometric mirrors and the CCD camera that collects the images. The perfect lodging between the two half-mirrors over its supporting plate defines the angular instrumental separation between the two images of the sun. The heliometric mirrors and supporting plate have been made in ceramic material in order to ensure the stability of the optical configuration and to maintain the two images of the solar disk displaced by a fixed angle in relation to each other. To verify the stability of the instrument we designed the procedures of collimation and comparison. The collimation consists of using the heliometer for measuring the diameter of an artificial solar image specifically created for this purpose. The comparison is performed by measuring the residual unfold of a punctual image after been unfold by two opposed heliometers. The heliometric approach allows the measurement of the solar diameter at any heliolatitude and can be undertaken as often as desired. Computer programs have been developed for automated image acquisition and analysis. The optical and mechanical design has been performed by using 3D computer aided design software.

d'Ávila, Victor; Reis, Eugênio; Penna, Jucira; Oliveira, Luiz Carlos; Coletti, Alissandro; Matias, Victor; Andrei, Alexandre; Boscardin, Sergio

2010-02-01

25

Instituto Nacional de Electrification, Guatemala Load Dispatch Center and Global Communications Center. Feasibility report (Instituto Nacional de Electrificacion, Guatemala Centro Nacional de Despacho de Carga y Sistema Global de Comunicaciones). Export trade information  

SciTech Connect

The report presents the results of a feasibility study for the National Load Dispatch Center and Global Communications System Project in Guatemala. The project consists of a communication system which will provide Institute Nacional de Electrificacion (INDE) operations personnel direct voice access to all major power system facilities. In addition, a modern computer based load dispatch center has been configured on a secure and reliable basis to provide automatic generation control of all major interconnected generating plants within Guatemala.

Not Available

1985-07-01

26

Astrophysics education at Universidad de Guadalajara, Mexico: From children popularization to posgraduate courses  

NASA Astrophysics Data System (ADS)

Astrophysics growing group of the Universidad de Guadalajara situation is shown. Programs and activities developed at different levels are described, as popularization for children and adults (some in colaboration with Tourism Bureau and Jalisco State Education Secretary), licenciatura \\" (\\ BSc) courses actually taugth and posgraduate courses to be taugth in near future. Facilities and some exercises are shown.

de Alba-Martinez, D. J.

1999-05-01

27

Promoting Entrepreneurial Culture in the University: The Institutional Collaborative Model at the Universidad Autonoma de Madrid  

ERIC Educational Resources Information Center

|This paper presents a case of collaboration between different types of public services and the private sector for the promotion of an entrepreneurial culture. This collaboration is achieved by means of a centre established and developed by the Universidad Autonoma de Madrid, the Centro de Iniciativas Emprendedoras (the Centre for Entrepreneurial…

de Pablo, Isidro; Alfaro, Fernando; Rodriguez, Miriam; Valdes, Esperanza

2011-01-01

28

El Instituto Nacional del Cáncer publica nuevo atlas de mortalidad por cáncer  

Cancer.gov

El Instituto Nacional del Cáncer (NCI, por sus siglas en inglés) ha publicado un nuevo atlas, el Atlas de Mortalidad por Cáncer en los Estados Unidos, 1950-94, que muestra los patrones geográficos de las tasas de mortalidad por cáncer durante más de cuatro décadas, en más de 3.000 condados a lo largo del país.

29

Enlightenment, Education, and the Republican Project: Chile's "Instituto Nacional" (1810-1830)  

ERIC Educational Resources Information Center

This article analyses the establishment of the "Instituto Nacional de Chile" between 1810 and 1830 as a crucial element of a political and cultural project advanced from an enlightened and republican elite. Its early inception in 1813 resulted from the necessity of consolidating a republican order, as shown by the different projects between 1810…

Baeza Ruz, Andres

2010-01-01

30

Declaración del Instituto Nacional del Cáncer sobre los exámenes selectivos de detección de cáncer de seno  

Cancer.gov

El Instituto Nacional del Cáncer (NCI) agradece la cuidadosa revisión y análisis que ha hecho la Brigada de Servicios Preventivos de los Estados Unidos de la evidencia con respecto a los exámenes de detección de cáncer de seno para mujeres que tienen un riesgo del promedio.Preguntas y Repuestas

31

Medical social work in the ‘Centro Nacional de Paraplejicos’, Toledo, spain  

Microsoft Academic Search

The Medical Social Service in the ‘Centro Nacional de Rehabilitatión de Parapléjicos’ of Toledo is briefly explained. Until 30 April 1975, 141 patients were treated in this hospital and the pertinent statistics are shown. The main social problems were housing, pension and job. The Medical Social Service makes use of all its resources to solve these problems.

J Mendoza-Sarmiento; P Diago; M L Enriquez; M L Huertas; M L Ochoa; A Urtiaga

1976-01-01

32

Principales resultados del Estudio Nacional de Exámenes de pulmón (NLST): Síntesis  

Cancer.gov

El 4 de noviembre de 2010, el Estudio Nacional de Exámenes de Pulmón dio a conocer resultados iniciales que indican que hubo 20% menos muertes por cáncer de pulmón entre los participantes del estudio evaluados con tomografía computarizada espiral de baja dosis (también conocida como tomografía computarizada helicoidal) que en los participantes que fueron evaluados con radiografías de pecho.

33

Muerte fetal en el Hospital Nacional Arzobispo Loayza durante el periodo agosto 2003- noviembre 2004  

Microsoft Academic Search

SUMMARY Objectives: To elucidate the etiology of fetal death, and to identify its sociodemographic, clinical and pathologics characteristics, and its rate. Material and methods: A descriptive study was conducted. Cases of fetal death were review on Register Book of the obstetrician service of Hospital Nacional Arzobispo Loayza between August 2003 to November 2004. The clinical and pathology reports were described.

MILLA VERA; Luis Miguel; SALHUANA Manuel; ROJAS JAIMES

34

CARTA ABIERTA A LOS PSEUDO-INTELECTUALES  

Microsoft Academic Search

La ideología es un sombrero, un traje que nos hace impermeables a la realidad, nos ciega de tal manera que pensamos en nuestra realidad como la única, la mejor, la posible. Todos -en alguna medida u otra- somos más o menos proclives a la ideología. No obstante, en algún punto existe un grupo de políticos, en la Argentina reciente que

Korstanje Maximiliano

2010-01-01

35

History of the Oral and Maxillofacial Surgery Residency Program at Universidad el Bosque, Bogotá, Colombia.  

PubMed

The formal training of oral and maxillofacial surgeons in Colombia started in 1958 at Hospital Sanjos6, thanks to the titanic work of Waldemar Wilhelm, a German-born surgeon who settled in BogotA in 1950. Today there are seven institutions in Colombia that offer residency programs in oral and maxillofacial surgery. The aim of this article is to describe the history of the Oral and Maxillofacial Surgery Residency Program at Universidad El Bosque in Bogota. PMID:22916408

Castro-Núñez, Jaime

36

Control del cáncer y salud mundial: noticia del Instituto Nacional del Cáncer (NCI)  

Cancer.gov

En combinación con una reunión de alto nivel de las Naciones Unidas sobre enfermedades no transmisibles en países en vías de desarrollo, el doctor Harold Varmus, director del NCI, y el doctor Ted L. Trimble, del NCI, han publicado un comentario en Science Translational Medicine sobre “La integración del control del cáncer en la salud mundial" (Integrating Cancer Control into Global Health).

37

Establishment of embryogenic cultures and plant regeneration in the Portuguese cultivar ‘Touriga Nacional’ of Vitis vinifera L  

Microsoft Academic Search

‘Touriga Nacional’ is the most important Portuguese grapevine cultivar used for Port wine, table wine and varietal wine production.\\u000a In order to obtain a reproducible plant regeneration system that allows the application of biotechnological tools to grapevine\\u000a breeding, embryogenic cultures were induced from immature flowers of three Touriga Nacional selected clones. Gynoecia and\\u000a anthers were cultured on Nitsch and Nitsch

A. L. Pinto-Sintra

2007-01-01

38

GEOGENIC ARSENIC IN SHALLOW AQUIFERS OF RÍO DULCE ALLUVIAL CONE SANTIAGO DEL ESTERO PROVINCE, NW ARGENTINA J. BUNDSCHUH, Ph. D. Instituto Costarricense de Electricidad (ICE), Associate to Universidad Nacional de Santiago del Estero (UNSE)  

Microsoft Academic Search

Geogenic arsenic (As) is reported in groundwaters from the shallow aquifers in different parts of the Chaco-Pampean Plain, Argentina. Río Dulce alluvial cone in Santiago del Estero Province (NW Argentina) was selected as an area to investigate the complex hydrological and geochemical conditions that control the distribution and mobilization of As in groundwater from these shallow alluvial aquifers. Average total

Apartado Postal; P. BHATTACHARYA; D. M. CLAESSON; J. FAGERBERG

39

[The biomedical model and the reformulation of the medical curriculum of Universidade Federal Fluminense].  

PubMed

This work reviews the model used as basis for the curricula of medical universities in North and South America as well as in most European countries. Some criticism about this model is identified on the curricular reformulation of the medicine course of Universidade Federal Fluminense (UFF). The review of the document about curricular reformulation of UFF, from 1992, as well as how it compares to its previous curriculum regarding the history of the biomedical model, the curricular theory, and Ludwik Fleck's epistemology, measures the relevance of this reformulation as an alternative to the biomedical model of forming doctors and to the reductionism of the human being to its biological organism. The new curriculum --- with a 25% raise in credit hours and the inclusion of many new practical classes since the beginning of the course --- although still focusing the biological aspects, already shows a more humanist formation and intends to question the "scientifical truths". PMID:11759718

Koifman, L

40

Towards a complete 14C AMS facility at the Universidade Federal Fluminense (Niterói, Brazil): Sample preparation laboratory tests  

NASA Astrophysics Data System (ADS)

The new radiocarbon sample preparation laboratory at the Physics Institute of the Universidade Federal Fluminense (UFF) in Brazil is discussed and early trials with reference materials are presented, leading up to the installation of a single-stage AMS system in early 2012.

Anjos, R. M.; Macario, K. D.; Gomes, P. R. S.; Linares, R.; Queiroz, E.; Carvalho, C.

2013-01-01

41

The Aula Espazio and the Master of Space Science & Technology in the Universidad del País Vasco (Spain)  

Microsoft Academic Search

We present the Aula Espazio, a facility dedicated to teach Space Sciences and Technology at Master and Doctorate level at the Universidad del País Vasco(Spain)and to promote development in this field in both the public and private sectors. A new University Observatory which homes a 50 cm telescope, a solar telescope and other instruments is also associated to the Aula.

A. Sanchez-Lavega; S. Pérez-Hoyos; R. Hueso; T. Del Río-Gaztelurrutia; A. Oleaga

2010-01-01

42

Natural Gamma Radiation in Rooms of a Building in the Pontificia Universidade Catolica (PUC/RJ), Brazil.  

National Technical Information Service (NTIS)

Gamma radiation in a set of rooms of the sector D of the Cardeal Leme Building in the Pontifica Universidade Catolica of Rio de Janeiro, and also in some outdoors areas at the PUC/RJ campus, are examined using well established experimental techniques. The...

R. R. Pinho

1986-01-01

43

VENTAJAS DE LAS REDES DE VALOR EN LA TRANSFERENCIA DE TECNOLOGÍAS DE LA UNIVERSIDAD AL SECTOR EMPRESARIAL  

Microsoft Academic Search

La transferencia de tecnologías de la universidad a la empresa esta dirigida a elevar los niveles de producción y de servicios, que requiere la sociedad cubana actual, los que deben realizarse con la mayor satisfacción del conocimiento que se requiere en los momentos actuales. Partiendo de lo anterior el presente trabajo se centró en el objetivo general de exponer los

Juan Carlos Zulueta Cuesta

2011-01-01

44

The Double-Astrograph Telescope is working at the Observatorio Astronómico Nacional of Venezuela  

NASA Astrophysics Data System (ADS)

The Double Astrograph telescope (two 0.5 m lenses) in the Observatorio Astronómico Nacional of Venezuela (OAN) will soon be available for observations to the astronomical comunity. Despite of being placed at the OAN since thirty years ago, together with the three other telescopes installed there, it was not fully assembled. Recent engineering work on it, has got to mecanically balance the telescope and set control of the electric motors for the motion of this instrument. The current positioning and guided motions of the telescope allow for an observational quantification of the different aberrations of the optical system of the instrument. With this in mind, selected fields of stars have been observed with a CCD camera, that was installed at different locations on the focal plane. Here we show a summary of the technical operations and the first observational results, aimed at evaluating the potential of the Double Astrograph for future scientific investigations.

Abad, C.; Barroeta, G.; Schenner, H.; Plaza, L.; Ramírez, P.; Lacruz, E.

2009-05-01

45

Ambient Dose Equivalent measured at the Instituto Nacional de Cancerologia Department of Nuclear Medicine  

SciTech Connect

Ambient dose equivalent values were determined in several sites at the Instituto Nacional de Cancerologia, Departmento de Medicina Nuclear, using TLD-100 and TLD-900 thermoluminescent dosemeters. Additionally, ambient dose equivalent was measured at a corridor outside the hospitalization room for patients treated with {sup 137}Cs brachytherapy. Dosemeter calibration was performed at the Instituto Nacional de Investigaciones Nucleares, Laboratorio de Metrologia, to known {sup 137}Cs gamma radiation air kerma. Radionuclides considered for this study are {sup 131}I, {sup 18}F, {sup 67}Ga, {sup 99m}Tc, {sup 111}In, {sup 201}Tl and {sup 137}Cs, with main gamma energies between 93 and 662 keV. Dosemeters were placed during a five month period in the nuclear medicine rooms (containing gamma-cameras), injection corridor, patient waiting areas, PET/CT study room, hot lab, waste storage room and corridors next to the hospitalization rooms for patients treated with {sup 131}I and {sup 137}Cs. High dose values were found at the waste storage room, outside corridor of {sup 137}Cs brachytherapy patients and PET/CT area. Ambient dose equivalent rate obtained for the {sup 137}Cs brachytherapy corridor is equal to (18.51{+-}0.02)x10{sup -3} mSv/h. Sites with minimum doses are the gamma camera rooms, having ambient dose equivalent rates equal to (0.05{+-}0.03)x10{sup -3} mSv/h. Recommendations have been given to the Department authorities so that further actions are taken to reduce doses at high dose sites in order to comply with the ALARA principle (as low as reasonably achievable).

Avila, O. [Instituto Nacional de Investigaciones Nucleares, AP 18-1027, 11801, DF (Mexico); Torres-Ulloa, C. L. [Instituto Nacional de Investigaciones Nucleares, AP 18-1027, 11801, DF (Mexico); Facultad de Ciencias, Universidad Nacional Autonoma de Mexico, AP 70-542, 04510, DF (Mexico); Medina, L. A. [Instituto de Fisica, Universidad Nacional Autonoma de Mexico, AP 20-364, 01000, DF (Mexico); Unidad de Investigacion Biomedica en Cancer INCan-UNAM, Av. San Fernando 22 C.P. 14080 (Mexico); Trujillo-Zamudio, F. E. [Instituto Nacional de Cancerologia (INCan), Av. San Fernando 22, C.P. 14080 (Mexico); Gamboa de Buen, I. [Instituto de Ciencias Nucleares, Universidad Nacional Autonoma de Mexico, AP 70-543, 04510 DF (Mexico); Buenfil, A. E.; Brandan, M. E. [Instituto de Fisica, Universidad Nacional Autonoma de Mexico, AP 20-364, 01000, DF (Mexico)

2010-12-07

46

Ambient Dose Equivalent measured at the Instituto Nacional de Cancerología Department of Nuclear Medicine  

NASA Astrophysics Data System (ADS)

Ambient dose equivalent values were determined in several sites at the Instituto Nacional de Cancerología, Departmento de Medicina Nuclear, using TLD-100 and TLD-900 thermoluminescent dosemeters. Additionally, ambient dose equivalent was measured at a corridor outside the hospitalization room for patients treated with 137Cs brachytherapy. Dosemeter calibration was performed at the Instituto Nacional de Investigaciones Nucleares, Laboratorio de Metrología, to known 137Cs gamma radiation air kerma. Radionuclides considered for this study are 131I, 18F, 67Ga, 99mTc, 111In, 201Tl and 137Cs, with main gamma energies between 93 and 662 keV. Dosemeters were placed during a five month period in the nuclear medicine rooms (containing gamma-cameras), injection corridor, patient waiting areas, PET/CT study room, hot lab, waste storage room and corridors next to the hospitalization rooms for patients treated with 131I and 137Cs. High dose values were found at the waste storage room, outside corridor of 137Cs brachytherapy patients and PET/CT area. Ambient dose equivalent rate obtained for the 137Cs brachytherapy corridor is equal to (18.51+/-0.02)×10-3 mSv/h. Sites with minimum doses are the gamma camera rooms, having ambient dose equivalent rates equal to (0.05+/-0.03)×10-3 mSv/h. Recommendations have been given to the Department authorities so that further actions are taken to reduce doses at high dose sites in order to comply with the ALARA principle (as low as reasonably achievable).

Ávila, O.; Torres-Ulloa, C. L.; Medina, L. A.; Trujillo-Zamudio, F. E.; de Buen, I. Gamboa; Buenfil, A. E.; Brandan, M. E.

2010-12-01

47

The future in Agricultural Engineering: news degrees in the Universidad Politécnica de Madrid (UPM)  

NASA Astrophysics Data System (ADS)

The Bologna process is to improve the quality of education, mobility, diversity and the competitiveness and involves three fundamental changes: transform of the structure of titles, changing in methods of teaching and implementation of the systems of quality assurance. Engineer Agronomist at the Universidad Politécnica de Madrid (UPM) has been offered as a degree of five years with a total of 400 credits and seven optional orientations: Crop Production, Plant and Breeding Protection, Environment, Agricultural Economics, Animal Production, Rural Engineering and Food Technology. Actually, the Bologna plan creates three new degrees: Engineering and Science Agronomic, Food Engineering and Agro-Environmental Engineering, with 240 ECTS each one of them and with specific professional characteristics. The changes that involve the introduction of these new degrees is perhaps the largest occurred never at the Spanish university system, not only by the drastic transformation in the structure of titles, but also by the new changes that lie ahead in teaching methods. Among others we will comment the following ones: -A year decreased duration of studies and therefore incorporation into the market. - Elimination of the seven current guidelines to create three specific qualifications of degree. -Decrease of optional subjects and increase in credits for the basic subjects. - Inclusion of business practices. - Increase in the number of credits of final project. - Changes in methodologies and a higher involvement of teachers and students in the education.

Cartagena, M. Carmen; Tarquis, A. M.; Vázquez, J.; Serrano, A.; Arce, A.

2010-05-01

48

Accelerator-based research activities at “Centro Nacional de Aceleradores”, Seville (Spain)  

NASA Astrophysics Data System (ADS)

In February 1998, almost 10 years ago, the set-up of the first IBA (ion beam analysis) facility in Spain took place with the arrival of a 3 MV tandem accelerator [J. García-López, F.J. Ager, M. Barbadillo-Rank, F.J. Madrigal, M.A. Ontalba, M.A. Respaldiza, M.D. Ynsa, Nucl. Instr. and Meth. B 161 163 (2000) 1137]. Since then, an intensive research program using IBA techniques has been carried out. Subsequently, a cyclotron for 18 MeV protons has been also installed at the “Centro Nacional de Aceleradores” (CNA), devoted mainly to isotope production for PET (positron emission tomography) techniques, but possibly applied to material analysis and damage studies on a dedicated beam line. Moreover, a 1 MV tandem has been recently installed for AMS (accelerator mass spectrometry) 14C dating and environmental research with other isotopes. In the present paper we describe the new facilities and the developments of the 3 MV tandem beam lines occurred during the past years, as well as some examples of the most recent research activities in our Center in the fields of Material Science, Archaeometry, Biomedicine and Environment.

Respaldiza, M. A.; Ager, F. J.; Carmona, A.; Ferrer, J.; García-León, M.; García-López, J.; García-Orellana, I.; Gómez-Tubío, B.; Morilla, Y.; Ontalba, M. A.; Ortega-Feliu, I.

2008-05-01

49

A atuação do Observatório Nacional registrada nos relatórios ministeriais 1889 a 1930  

NASA Astrophysics Data System (ADS)

O período republicano até 1930 foi marcante na história do Observatório Nacional. Diversas reformas levaram a instituição a três ministérios diferentes e mudaram a ênfase do seu trabalho. A tão aguardada mudança para uma nova sede, em São Cristóvão, em 1920, não foi suficiente para que a instituição acompanhasse o ritmo tomado pela astronomia no mundo e se firmasse como ambiente de pesquisa. Uma análise simplificada poderia caracterizar um período de produção científica insignificante, dado o distanciamento da instituição dos novos rumos da astrofísica e da rápida inovação dos instrumentos, além do pequeno volume de publicações. Era uma época em que ainda não existiam os mecanismos formais de apoio e avaliação da atividade científica. Esse trabalho procura identificar a real atividade do Observatório no conteúdo dos Relatórios Ministeriais que, ao final de cada ano, apresentava as atividades, sucessos e problemas enfrentados pela instituição. Questões como instrumental e recursos humanos necessários; entraves burocráticos e financeiros; e articulações com outros observatórios se complementaram entre si ao longo desses anos para definir o perfil institucional e alguns aspectos fundamentais para a construção da astronomia no país. É possível concluir que a ênfase em serviços geográficos e de meteorologia, ao lado da inadequação dos instrumentos e do local, quase fizeram desaparecer a pesquisa em astronomia. Porém, vale destacar a sobrevivência de alguns trabalhos, como, por exemplo, variação de latitude e observação de estrelas duplas que mantiveram importante intercâmbio com outros grupos de pesquisa, demonstrando o constante esforço dos astrônomos e das diretorias em defesa da atividade científica.

Rodrigues, T.

2003-08-01

50

Efetividade no Ensino Superior Brasileiro: Aplicacao de Modelos Multin´õvel ` A Analise dos Resultados do Exame Nacional de Cursos  

Microsoft Academic Search

Este estudo tem por objetivo analisar o impacto de caracter´õsticas institucionais sobre o desempenho dos alunos no Exame Nacional de Cursos (Provao). Uma amostra de mais de 74.000 alunos dasareas de Administracao, Direito e Engenharia Civil que realizaram os exames no ano de 2000 foi analisada. Foram estimados modelos multin´õvel, pois estes dados apresentam uma n´õtida estrutura hierarquica. Relativamente aos

Maria Dolores Montoya Diaz

2007-01-01

51

Development and first year of results from the Heliometer of Observatório Nacional  

NASA Astrophysics Data System (ADS)

Recent research on global climate changes points to three distinct sources of climate disturbance: anthropogenic; natural changes in the oceans and atmosphere; and irregularities in the solar cycles. One of the most direct ways to survey an exogenous component of the climatic variability is through the measurement of variations in the diameter and shape of the solar disk. At Observatório Nacional/MCTI, Rio de Janeiro, after several years of diameter observation using a CCD Solar Astrolabe, these measurements are now performed by a state-of-the-art Solar Heliometer. The heliometric method is one of the most successful techniques to measure small variations of angles. Its principle has been used for the latest space borne astrometric missions, aiming to milli-arcsecond precision. The success of this method relies in the fact that it minimizes the dependence of angular measurements to the thermal and mechanical stability of the instrument. However in the classic heliometer the objective is split into two halves to which is applied a linear displacement along the cut, thus still leaving room for a residual dependence with the focus, due to non-concentricity of the beams of the two images. The focus variation, as well as the effects brought by the large temperature variations during solar observations, was tackled in the Solar Heliometer by having all optical elements and their niches made on CCZ, and the telescope tube on carbon fiber, both materials of negligible thermal coefficient. Additionally, the measures are made perpendicular to the separation direction and the plate scale can be known at every time from the solar motion itself. We present the results from the first year of measurements, in special exploring the upheaval of solar activity on late 2011.

Andrei, Alexandre H.; D'Ávila, Victor A.; Neto, Eugânio Reis; Penna, Jucira L.; Boscardin, Sérgio C.; Coletti, Alissandro; Oliveira, Luiz C.; Sigismondi, Costantino

2013-07-01

52

The Development and First Year of Results from the Heliometer of the Observatorio Nacional  

NASA Astrophysics Data System (ADS)

Recent research on global climate changes points to three distinct sources of climate disturbance: anthropogenic; natural changes in the oceans and atmosphere; and irregularities in the solar cycles. One of the most direct ways to survey an exogenous component of the climatic variability is through the measurement of variations in the diameter and the shape of the solar disk. At Observatorio Nacional/MCTI, Rio de Janeiro, after several years of diameter observation using a CCD Solar Astrolabe, these measurements are now performed by a state-of-the-art Solar Heliometer. The heliometric method is one of the most successful techniques to measure small variations of angles. Its principle has been used for the latest space borne astrometric missions, aiming to milli-arcsecond precision. The success of this method relies in the fact that it minimizes the dependence of angular measurements to the thermal and mechanical stability of the instrument. However in the classic heliometer the objective is split into two halves to which is applied a linear displacement along the cut, thus still leaving room for a residual dependence with the focus, arising from due to non-concentricity of the beams of the two images. The focus variation, as well as the effects brought by the large temperature variations during solar observation was tackled in the Solar Heliometer by having all optical elements and their niches made on CCZ, and the telescope tube on carbon filter, both materials of negligible thermal coefficients. Additionally, the measures are made perpendicular to the separation direction and the plate scale can be known at every time from the solar motion itself. We present the results from the first year of measurements, in special exploring the upheaval of solar activity on late 2011.

Humberto Andrei, Alexandre; Penna, Jucira; Boscardin, Sergio; Reis Neto, Eugenio; Davila, Victor; Sigismondi, Costantino; Coletti, Alissandro; Oliveira, Luiz Carlos

2012-07-01

53

Survival of captive-reared Hispaniolan Parrots released in Parque Nacional del Este, Dominican Republic  

USGS Publications Warehouse

We report first-year survival rates of 49 captive-reared Hispaniolan Parrots (Amazona ventralis) released in Parque Nacional del Este, Dominican Republic. Our goal was to learn about factors affecting postrelease survival. Specifically, we tested if survival was related to movements and whether modifying prerelease protocols influenced survival rates. We also estimated survival in the aftermath of Hurricane Georges (22 September 1998). Twenty-four parrots, fitted with radio-transmitters, were released between 14 September and 12 December 1997. Twenty-five more were released between 29 June and 16 September 1998. First-year survival rates were 30% in 1997 and 29% in 1998. Survival probability was related to bird mobility. In contrast to birds released in 1997, none of the 25 parrots released in 1998 suffered early postrelease mortality (i.e., 3-5 days after release). Two adjustments to prerelease protocols (increased exercise and reduced blood sampling) made in 1998 may have contributed to differences in mobility and survival between years. The reduction of early postrelease mortality in 1998 was encouraging, as was the prospect for higher first-year survival (e.g., 30% to 65%). Only one death was attributed to the immediate impact of the hurricane. Loss of foraging resources was likely a major contributor to ensuing mortality. Birds increased their mobility, presumably in search of food. Survival rates dropped 23% in only eight weeks posthurricane. This study underscores the value of standardized prerelease protocols, and of estimating survival and testing for factors that might influence it. Inferences from such tests will provide the best basis to make adjustments to a release program.

Collazo, J. A.; White, Jr. , T. H.; Vilella, F. J.; Guerrero, S. A.

2003-01-01

54

[The Universidad de Buenos Aires in the 1970s: analysis of the press release expressing solidarity with Rodolfo Puiggrós].  

PubMed

This article reconstructs the historical context surrounding the emission of a press release by authorities of the Universidad de Buenos Aires, expressing their solidarity with historian and university rector Rodolfo Puiggrós after his resignation. In his term, Puiggrós attempted to fuse the institution's scientific and technological plans with the new development model initiated by Héctor Cámpora and the Peronist movement in 1973. The article makes reference to the project of university transformation promoted by Puiggrós, combining the ideological traditions of Marxism, reformism, and nationalism. A few key points, useful for analyzing the reasons behind Puiggrós's resignation, are presented, and the arguments highlighted within this press release, published by Office of Media and Communications on October 5, 1973, are discussed. PMID:23681463

Recalde, Aritz

2012-12-01

55

Potencial de reciclaje de los residuos de una institución de educación superior: el caso de la Universidad Autónoma de Baja California  

Microsoft Academic Search

Solid waste characterization is the first step that must be taken within the planning of an integrated waste management program. This paper reports the results of a characterization study of the waste from Campus Mexicali I of the Universidad Autónoma de Baja California (UABC), Mexico. The objective of this research was to quantify the reduction and recycling potential of the

Armijo de Vega

2006-01-01

56

Guia para la ensenanza de la Lengua Nacional (segundo ano) (A Guide to the Teaching of the National Language (second year).  

ERIC Educational Resources Information Center

|This document is an English-language abstract (approximately 1500 words) of a guide based on the results of experiments conducted by the Instituto Nacional de Pedagogia in its pilot school and other schools in Mexico, D. F. The foreword points out that there are two aspects of language teaching in elementary schools--the first year class to read…

Instituto Nacional de Pedagogia (Mexico).

57

The Aula Espazio Observatory At The Universidad Del Pais Vasco (Spain): Planetary Observations For Graduate And Undergraduate Students  

NASA Astrophysics Data System (ADS)

The Aula Espazio Gela is a facility at the School of Technical Engineering of the Universidad del Pais Vasco (Bilbao, Spain) dedicated to the education of undergarduated and gratuated students in the research and technology of space science activities. It also promotes the collaboration between the University and industrial spatial sector. One of the main elements of this facility is an astronomical observatory that is oriented to the activities of the students of the Master in Space Science and Technology. The main instrument is a 50 cm aperture Dall-Kirham telescope with equatorial mount completely robotized that includes different CCD cameras. Here we present some of the projects developed by graduate and under-graduate students in the field of the solar system. Explicitly we present some studies dedicated to the studies of planetary atmospheres and to acquire skills on the software management of planetary images. Aknowledgements: This project is supported by the Dpto. Innovación y Promoción Económica de la Diputación Foral de Bizkaia (Basque Country).

Perez-Hoyos, Santiago; Sanchez-Lavega, A.; Hueso, R.; Rojas, J. F.

2010-10-01

58

First 2 years of Atmospheric CO2 measurements in the Estany Llong plain (2100 masl, Parc Nacional d'Aigüestortes i Estany de Sant Maurici, Pyrenees, Catalonia, Spain).  

NASA Astrophysics Data System (ADS)

Since April 2009, air samples are being taken bi-weekly at 10 GMT in the plain of the Estany Llong at 2100 masl. Estany Llong air sampling site (ELL, 42°34'29''N 0°57'17''E) is a remote site situated in the SW principal valley of the Parc Nacional d'Aigüestortes i Estany de Sant Maurici. New Flask-sampling equipment for Remote Mountain Sites was developed by the Institut Català de Ciències del Clima (IC3) to allow flask sampling in extreme weather conditions and carrying the sampling equipment for more than 10 km without damaging flasks. Dry Air analysis for CO2 are done at the Laboratory of IC3 using two coupled modified IRGA Licor-7000, where both pressure and flow are externally controlled. Far away from populated areas, ELL site acts as a remote site, but it is also responding to discrete events as snow melting, summer cattle breeding on pastures and trekking frequentation. Series of CO2 obtained are included as part of Long Term Ecological Research (LTER) at the Parc Nacional d'Aigüestortes i Estany de Sant Maurici. In the long term, these measurements show the mountain ecosystems contribution and geomorphologic influence on the CO2 budget of the air masses crossing a mountain range.

Curcoll, Roger; Recolons, Montserrat; Font, Anna; Agraz, Laura; Parga, Elena; Bacardit, Montse; Camarero, Lluís.; Pueyo, Salva; Rodó, Xavier; Morguí, Josep Anton

2010-05-01

59

Teaching Planetary Sciences at the Universidad del País Vasco in Spain: The Aula Espazio Gela and its Master in Space Science and Technology  

NASA Astrophysics Data System (ADS)

Planetary science is a highly multidisciplinary field traditionally associated to Astronomy, Physics or Earth Sciences Departments. Spanish universities do not generally offer planetary sciences courses but some departments give courses associated to studies on Astronomy or Geology. We show a different perspective obtained at the Engeneering School at the Universidad del País Vasco in Bilbao, Spain, which offers a Master in Space Science and Technology to graduates in Engineering or Physics. Here we detail the experience acquired in two years of this master which offers several planetary science courses: Solar System Physics, Astronomy, Planetary Atmospheres & Space Weather together with more technical courses. The university also owns an urban observatory in the Engineering School which is used for practical exercises and student projects. The planetary science courses have also resulted in motivating part of the students to do their master thesis in scientific subjects in planetary sciences. Since the students have very different backgrounds their master theses have been quite different: From writing open software tools to detect bolides in video observations of Jupiter atmosphere to the photometric calibration and scientific use or their own Jupiter and Saturn images or the study of atmospheric motions of the Venus' South Polar Vortex using data from the Venus Express spacecraft. As a result of this interaction with the students some of them have been engaged to initiate Ph.D.s in planetary sciences enlarging a relative small field in Spain. Acknowledgements: The Master in Space Science and Technology is offered by the Aula Espazio Gela at the Universidad del País Vasco Engineer School in Bilbao, Spain and is funded by Diputación Foral de Bizkaia.

Hueso, R.; Sanchez-Lavega, A.; Pérez-Hoyos, S.

2011-12-01

60

Actas de la 4th mesa redonda sobre investigacion en "Lenguas Extranjeras" en la Universidad Autonoma Metropolitana 1996. (Proceedings from the 4th Roundtable on Investigation in Foreign Languages in the Autonomous Metropolitan University 1996).  

ERIC Educational Resources Information Center

|The articles included in this volume were selected as exemplary papers from the conference in Mexico. The goal of the forum was to provide an opportunity for researchers from the three branches of the Universidad Autonoma Metropolitana (UAM) to meet and discuss research projects currently in progress at the university. The works presented here…

Zoreda, Margaret Lee, Comp.; Diop, Mamoudou Si, Comp.; Vivaldo Lima, Javier, Comp.

61

The development of the Heliometer of the Observatorio Nacional of Rio de Janeiro and application to the study of the Sun-Earth system  

NASA Astrophysics Data System (ADS)

This work presents the development and construction of the Heliometer of the Observatório Nacional/MCTI. This instrument is designed to monitor changes on the solar diameter with the accuracy of the next-generation solar satellites. A review of the heliometric method is made and the building and testing of 4 prototypes is described. The instrument has a mirror objective split in dihedral, formed by the hemi-sections of a parabolic mirror. The materials that form the instrument have thermal and mechanical stability to 10^(-7). The number of optical parts is minimized and their quality is greater than {?}/12. An original software for the automated collection and analysis of the images was developed. With its latest version fully developed, we conducted an observational campaign of 9 days, deriving more than 70000 heliometric images of the Sun. The measured solar diameter has a standard deviation of 0.5 arcseconds, with no instrumental bias, and limited only by the provisional atmospheric modeling. Therefore, by improving the statistics, an accuracy at milliarcseconds can be achieved. A study of the correlation between the solar diameter and the geomagnetic field intensity was made. A correspondence between the peaks of the series related to solar activity, namely, the semidiameter variation, the flares index, and the sunspots counts, and the number of negative peaks on the intensity of the geomagnetic field is found. It must be cautioned though that it is a complex correspondence, requiring different modes of response and phase dependence on the stage of the cycle of solar activity. The straightforward interpretation of observational evidence indicates that the semidiameter of the Sun seems to vary significantly prior to the corresponding variations of the geomagnetic field. The effect is most evident in the downward phase of the solar cycle.

Reis Neto, Eugênio

2013-01-01

62

Qui sont les étudiants des trois universités lilloises ?  

Microsoft Academic Search

[spa] ¿ Quienes son los estudiantes de las très universidades de Lila ? - Depende fundalmente del nivel social ingresar en la Universidad? Tal como lo demostraron otros estudios efectuados a nivel nacional, parece ser que la condición social de los estudiantes desempena un papel fundamental para ingresar en la Universidad. En efecto, para unos cuantos estudiantes el concurrir a

Hubert Cukrowicz; Christian Baudelot

1975-01-01

63

First steps of vulagarization of science in the late ninetheen century: The Yearbook of the Observatorio Astronomico Nacional de Chapultepec, Mexico during the period of Mr. Angel Anguiano (1878-1889)  

NASA Astrophysics Data System (ADS)

Since the founding of the Observatorio Astronomico Nacional de Chapultepec in 1878 during the presidential term of General Porfirio Diaz, begins the publication of the Yearbook of the Observatorio Astronomico Nacional de Chapultepec (from now on OAN) in a period when the positivist paradigm based on will boost science as a means of national progress. Here we describe the actions taken by the observatory's director and editor of the publication, the engineer Angel Anguiano, to initiate and successfully carry out the exchange of scientific publications and / or dissemination through the exchange of the Yearbook of the OAN, both nationally and internationally. The importance of conferences to which he attended started the sharing printed information relating to subjects such as astronomy, meteorology, cartography and geography. The Yearbook was intended to publish two or three months before the beginning of each year and according to the editor would serve to popularize science, making its contents available to anyone with basic knowledge of geometry or for amateur astronomers. I find that the yearbook was the publication that was released to the observatory in the country and abroad, but was sent to distant places where no one speaks or reads Spanish. I think that the content of articles published in, did not respond and objective and informative to the public as mentioned by, because at the late 1800s, 90% of the inhabitants of the Mexican Republic were illiterate and lived in rural areas. The access to the Bulletin was the Mexican intellectual elite grouped into societies, astronomical or meteorological observatories and another wealthy person individually. The same happened abroad. The collection of data from reports to the Secretaria de Fomento, that was the government agency that funds money destined to different scientific institutions founded during this period were published in the Yearbook, the oficios that sent the OAN over a hundred sites in the world responding to the exchange of scientific publications of the mentioned areas through the Library. These documents are available on the Fund of National Astronomical Observatory Historical Archive of the UNAM. The importance of this publication is reflected in the fact that it has continued publishing without interruption since 1881 and gave rise to the Bulletin of the OAN which later became the Boletin del Observatorio Astronomico Nacional de Tacubaya in and finally to the Boletin del Observatorio Astronomico Nacional de Tonantzintla y Tacubaya.

Zueck, S. L.

2011-12-01

64

IMPORTANCIA DE LA RESTRICCIÓN PRESUPUESTRIA INTERTEMPORAL EN UNA ECONOMÍA ABIERTA: CASO COLOMBIANO  

Microsoft Academic Search

Este documento analizó la importancia de la restricción presupuestaria intertemporal y la relevancia que cobra en medio de una coyuntura de incertidumbre y volatilidad como herramienta de diagnostico de la sostenibilidad internacional de los países; fue elaborado como una reflexión de investigación sobre los patrones de endeudamiento aplicando al caso de nuestro país. Para el análisis de los conceptos sobre

RAÚL QUEJADA PÉREZ; RONNY SIBAJA MORALES; SANDRA PATRICIA MOLINA PALENCIA

2010-01-01

65

Percepcion de los profesores universitarios acerca del concepto cultura cientifica y de sus implicaciones en el nuevo bachillerato del Recinto de Rio Piedras de la Universidad de Puerto Rico  

NASA Astrophysics Data System (ADS)

El Senado Academico del Recinto de Rio Piedras de la Universidad de Puerto Rico aprobo en el ano academico 2005-2006 la Certificacion 46, que contiene los lineamientos de un nuevo bachillerato. Este nuevo bachillerato introdujo cambios significativos en el curriculo tradicional. Entre ellos se encuentra la reduccion del componente de educacion general y el de Ciencias Biologicas en particular. La reduccion de creditos en el componente de Ciencias Biologicas ha obligado a reevaluar el concepto de cultura cientifica que desarrollan esos cursos. El proposito del estudio consistio en auscultar las percepciones de los profesores de las Facultades de Administracion de Empresas, Humanidades, Ciencias Sociales, Ciencias Naturales, Educacion y Estudios Generales del Recinto de Rio Piedras de la Universidad de Puerto Rico en torno al concepto de cultura cientifica, los contenidos disciplinares del curso de Ciencias Biologicas y la reduccion de creditos en el nuevo bachillerato. Las preguntas que guiaron la investigacion fueron: ¿cuales son las percepciones que tienen los profesores de las Facultades de Administracion de Empresas, Ciencias Sociales, Estudios Generales, Ciencias Naturales, Humanidades y Educacion, en torno al concepto de cultura cientifica y los contenidos disciplinares del curso de Ciencias Biologicas? ¿cuales son las percepciones que tienen los profesores de Ciencias Biologicas en torno al concepto cultura cientifica y los contenidos disciplinares del curso de Ciencias Biologicas? ¿existen diferencias significativas por facultad, genero, experiencia, rango y nombramiento en las percepciones que tienen los profesores del Recinto de Rio Piedras de la Universidad de Puerto Rico sobre los elementos que caracterizan la cultura cientifica y los contenidos biologicos que deben tener los egresados del Recinto? ¿que implicaciones curriculares tienen estos testimonios en el desarrollo del concepto de cultura cientifica en el nuevo bachillerato? Para realizar la investigacion se utilizo una metodologia cuantitativa y la herramienta para lograrlo fue una encuesta. La encuesta se analizo estadisticamente mediante analisis de frecuencias y por cientos, prueba ANOVA, prueba t, pruebas Post Hoc de Tukey y de Levene. Tambien se realizo nuevamente una prueba de confiabilidad mediante el alfa de Cronbach. Los resultados reflejaron que los profesores de las Facultades de Administracion de Empresas, Ciencias Sociales, Ciencias Naturales, Educacion, Humanidades, Estudios Generales y el Departamento de Ciencias Biologicas tienen una percepcion muy positiva del concepto de cultura cientifica, los contenidos curriculares de Ciencias Biologicas y del nuevo bachillerato.

Ramos Pastrana, Nilsa

66

Creep Cavitation in Nickel Aluminides: Foreign Trip Report, August 9, 1987-August 16, 1987.  

National Technical Information Service (NTIS)

Work on creep cavitation has been performed in collaboration with Professor L. Martinez of the Instituto de Fisica of the Universidad Nacional de Mexico in Cuernavaca, Mexico. A joint manuscript on ''Influencing the Shape of Creep Cavities in Nickel Alumi...

J. H. Schneibel

1987-01-01

67

Special CAM97 Plenary Session on the Future of Science and Technology in North America  

NASA Astrophysics Data System (ADS)

Keynote Address: "The Future of American Science and Technology" Mary Good, Assistant Secretary, United States Department of Commerce, Remarks by: Carmen Cisneros, Universidad Nacional Autonoma de Mexico Beverly Robertson, Canadian Physical Society D. Allan Bromley, The American Physical Society

Bromley, D. Allan; Good, Mary; Cisneros, Carmen; Robertson, Beverly

1997-04-01

68

[The Spanish AIDS Study Group and Spanish National AIDS Plan (GESIDA/Secretaría del Plan Nacional sobre el Sida) recommendations for the treatment of tuberculosis in HIV-infected individuals (Updated January 2013).  

PubMed

This consensus document was prepared by an expert panel of the Grupo de Estudio de Sida (GESIDA [Spanish AIDS Study Group]) and the Plan Nacional sobre el Sida (PNS [Spanish National AIDS Plan]). The document updates current guidelines on the treatment of tuberculosis (TB) in HIV-infected individuals contained in the guidelines on the treatment of opportunistic infections published by GESIDA and PNS in 2008. The document aims to facilitate the management and treatment of HIV-infected patients with TB in Spain, and includes specific sections and recommendations on the treatment of drug-sensitive TB, multidrug-resistant TB, and extensively drug-resistant TB, in this population. The consensus guidelines also make recommendations on the treatment of HIV-infected patients with TB in special situations, such as chronic liver disease, pregnancy, kidney failure, and transplantation. Recommendations are made on the timing and initial regimens of antiretroviral therapy in patients with TB, and on immune reconstitution syndrome in HIV-infected patients with TB who are receiving antiretroviral therapy. The document does not cover the diagnosis of TB, diagnosis/treatment of latent TB, or treatment of TB in children. The quality of the evidence was evaluated and the recommendations graded using the approach of the Grading of Recommendations Assessment, Development and Evaluation Working Group. PMID:23541879

Rivero, Antonio; Pulido, Federico; Caylá, Joan; Iribarren, José A; Miró, José M; Moreno, Santiago; Pérez-Camacho, Inés

2013-03-28

69

Seguimiento fotométrico de tránsitos exoplanetarios  

NASA Astrophysics Data System (ADS)

The Unidad de Astronomía of the Universidad de Antofagasta (Chile) has begun a collaboration with the University College London, the Observatorio Astronómico de Córdoba and the Instituto de Astronomía Teórica y Experimental at Universidad Nacional de Córdoba, to enlarge a rich database of exoplanetary transits, with the efforts from both profesional and amateur astronomers. These data will be used to test Transit Timing Variations (TTVs) and help to improve the existing exoplanet databases. FULL TEXT IN SPANISH

Char, F.; Unda-Sanzana, E.; Kipping, D.; Colazo, C.; Núñez, R.; Guzzo, P.; Schneiter, M.; Colque, J. P.

70

Dinámica del Desempeño Académico  

Microsoft Academic Search

Este trabajo se ocupa del progreso, luego del ingreso, de los estudiantes de la cohorte 2000 de la Facultad de Ciencias Económicas de la Universidad Nacional de La Plata. Si bien hay antecedentes de medición del rendimiento de los estudiantes de la Facultad y sus factores explicativos, se trata de estudios realizados en base a encuestas a alumnos regulares en

Luciano Di Gresia; Alberto Porto

2004-01-01

71

From ecological science to environmental education: A professional turning point?  

Microsoft Academic Search

This article explores the significance of a shift in young people's professional career from ecological science to environmental education. The article reflects on the role of higher education in addressing social and political issues in environment and sustainability, and then provides an account of a course on environmental education research methodology at the Universidad Nacional Autfinoma de México. The course

Laura Barraza; Ian Robottom

72

Neurotoxic effects of thimerosal at vaccines doses on the encephalon and development in 7 days-old hamsters  

Microsoft Academic Search

Objectives: To determine if thimerosal administration in amounts equivalent to vaccines content produces neurotoxic effects on the encephalon in postnatal hamsters and on experimentation animal's development. Design: Experimental, prospective, bioetapic study. Setting: San Fernando Faculty of Medicine, Universidad Nacional Mayor de San Marcos. Biological material: Seven days- old hamsters. Material: We divided 45 postnatal hamsters in three groups: group A

Jonny Laurente; Fany Remuzgo; Betthina Ávalos; Johnnie Chiquinta; Bladimir Ponce; Ronald Avendaño; Luis Maya

73

ALIPHATIC, POLYCYCLIC AROMATIC HYDROCARBONS AND NITRATED-POLYCYCLIC AROMATIC HYDROCARBONS IN PM10 IN SOUTHWESTERN MEXICO CITY  

Microsoft Academic Search

A sampling campaign of airborne particles ? 10 ? m (PM10) was carried out from February to April of 2004 at the Universidad Nacional Autónoma de México in southwestern Mexico City. The average PM10 mass concentration was 51 ± 14 ? g m. Extracted organic matter was determined, with a mean of 6.5 ± 1.7 ? g m, which represents

Hugo Saldarriaga; Rafael Villalobos; Gisela Solano; Omar Amador; Roberto Gaspariano; Ricardo Palma; Zenaida Munive

2008-01-01

74

IHY activities in Mexico and the Virtual Earth-Sun Observatory (VESO)  

Microsoft Academic Search

We present a report on the IHY activities in Mexico in 2007. These activities were coordinated by the Instituto de Geofisica of the Universidad Nacional Autonoma de Mexico (UNAM) which include three international scientific conferences, a Latin American space physics school, outreach activities in some cities in the country, and two museum exhibitions. As a part of the scientific projects

Americo Gonzalez-Esparza; Jose Francisco Valdes-Galicia; Gerardo Cifuentes-Nava; Guadalupe Cordero; Rogelio A. Caballero-Lopez; Esteban Hernández-Quintero; Alejandro Lara

2008-01-01

75

On the Convenience of Using a Computer Simulation to Teach Enzyme Kinetics to Undergraduate Students with Biological Chemistry-Related Curricula  

ERIC Educational Resources Information Center

|Enzyme kinetics is a difficult subject for students to learn and for tutors to teach. During the practicals included in the biochemical courses at the Faculty of Chemistry of Universidad Nacional Autonoma de Mexico, we found that the students acquire good training in the calculations to obtain kinetic parameters such as K[subscript m],…

Gonzalez-Cruz, Javier; Rodriguez-Sotres, Rogelio; Rodriguez-Penagos, Mireya

2003-01-01

76

Internal parasites of free-ranging guanacos from Patagonia  

Microsoft Academic Search

In the winter of 2000, a greater than 80% reduction in the guanaco population located in Cabo Dos Bah??as Wildlife Reserve, Chubut, Argentina, was evident due to massive mortality attributed to starvation. Twelve guanacos were necropsied and samples were analyzed at the Parasitology Laboratory of Facultad de Ciencias Veterinarias, Universidad Nacional del Litoral. Fecal analysis revealed developmental stages of Nematodirus

P. M. Beldomenico; M. Uhart; M. F. Bono; C. Marull; R. Baldi; J. L. Peralta

2003-01-01

77

STATISTICAL RESEARCH AND CONSULTING IN UNIVERSITIES FROM DEVELOPING COUNTRIES: THE COLOMBIAN CASE  

Microsoft Academic Search

This paper focuses on describing the experience of statistical researchers and consultants of the Department of Mathematics and Statistics, faculty and students, and of researchers who are not statisticians, at the Universidad Nacional de Colombia. An analysis is made of the statistics programs of study including consulting activities, and of three surveys that were designed, distributed and analysed: one for

DAVID OSPINA; JORGE E. ORTIZ

78

Utilization of Computer Technology in the Third World: An Evaluation of Computer Operations at the University of Honduras.  

ERIC Educational Resources Information Center

|This report of the results of an evaluation of computer operations at the University of Honduras (Universidad Nacional Autonoma de Honduras) begins by discussing the problem--i.e., poor utilization of the campus mainframe computer--and listing the hardware and software available in the computer center. Data collection methods are summarized,…

Shermis, Mark D.

79

Georadar Archaeological Prospection at the Historical Center of the Merida City, Yucatan, Mexico  

Microsoft Academic Search

This paper shows the results of the georadar archaeological prospection carried out by the Laboratorio de Prospección Arqueologica from the Instituto de Investigaciones Antropologicas (IIA) of the Universidad Nacional Autonoma de Mexico (UNAM) verifing the archaeological and historical information recovered by the Departamento de Patrimonio Arqueologico y Natural del Municipio (DPANM) del Ayuntamiento de Merida en el Centro Histerico de

L. Barba; A. Ortiz; J. Blancas; J. Ligorred

2007-01-01

80

On the Convenience of Using a Computer Simulation to Teach Enzyme Kinetics to Undergraduate Students with Biological Chemistry-Related Curricula  

ERIC Educational Resources Information Center

Enzyme kinetics is a difficult subject for students to learn and for tutors to teach. During the practicals included in the biochemical courses at the Faculty of Chemistry of Universidad Nacional Autonoma de Mexico, we found that the students acquire good training in the calculations to obtain kinetic parameters such as K[subscript m], V[subscript…

Gonzalez-Cruz, Javier; Rodriguez-Sotres, Rogelio; Rodriguez-Penagos, Mireya

2003-01-01

81

Model to recover the Colombian cultural identity based on ICT strategy  

Microsoft Academic Search

This document is part of a research done from Master Science in Telecommunications Engineering program of the Universidad Nacional de Colombia, that links three strategies for interconnection which aim is to rescue the culture in the country from the schools. The current document shows a development model to be incorporated in Colombian education and describes three fundamental axes for its

J. R. Cano

2010-01-01

82

Polarization, the Bargmann transform and the harmonic oscillator  

NASA Astrophysics Data System (ADS)

The definition of the polarization for the quantum harmonic oscillator system is analysed in a group-theoretical scheme. Permanent address: Instituto de Investigación en Matemáticas Aplicadad y en Sistemas, Universidad Nacional Autónoma de México, Apartado Postal 20-726, México 20 D.F., México.

Aldaya, V.; de Azcárraga, J. A.; Wolf, K. B.

1982-08-01

83

The Yale\\/San Juan Southern Proper Motion Program  

Microsoft Academic Search

The SPM is based on photographic plates taken at our observatory at El Leoncito, Argentina and will yield absolute proper motions and positions to magnitude B 19 for approximately 1 million stars south of declination -20 degrees. The SPM is a joint program between the Yale Southern Observatory and the Universidad Nacional de San Juan, Argentina. The SPM Catalog 2.0

W. F. van Altena; T. M. Girard; I. Platais; V. Kozhurina-Platais; J. Ostheimer; C. E. Lopez; R. A. Mendez

1999-01-01

84

Relationship Between Precipitation Chemistry and Meteorological Parameters at a Urban Site in the North of Queretaro State  

Microsoft Academic Search

A total of 50 wet precipitation samples were collected per event at the Juriquilla site from mid-May 2009 to the end of May 2010. The Juriquilla sampling site was located on the roof of the Geoscience Building, Universidad Nacional Autónoma de México, at the Juriquilla Campus in the city of Querétaro located at 20°41'58\\

R. García Martínez; G. Hernández; S. Solis; M. D. Torres; H. Padilla; A. Báez

2010-01-01

85

Autoevaluación de formación en habilidades de entrevista, relación médico paciente y comunicación en médicos graduados  

Microsoft Academic Search

Abstract Objective: To assess the perception of medical graduates in regards to their training in medical interview, physician-patient relationship and communication skills. Materials and Methods: Applicants to a 2005-residencypost at the Universidad Nacional Mayor de San Marcos participated in the study. The questionnaire was designed adapting three instruments. Validity and reliability studies were carried out. Results: A total of 917

Cecilia Sogi; Salomón Zavala; Miguel Oliveros; Carlos Salcedo

2006-01-01

86

Tendencies toward the Adult Educator Profession in Latin America: An Exploratory, Comparative, and Participatory Study.  

ERIC Educational Resources Information Center

To obtain information on adult educator education in Latin America, two approaches were used: (1) data collected via e-mail or through the website of the Universidad Pedagogica Nacional de Mexico and (2) interviews with directors, coordinators, teaching staff, and students in six teacher education programs in Mexico, Brazil, Argentina, and…

Goerne, Juan Jose Madrigal

87

IMPACTO ECONÔMICO DE CURTO PRAZO DAS UNIVERSIDADES ESTADUAIS PARANAENSES - 2004  

Microsoft Academic Search

Analyses of economic impact of universities on their regions are not quite common in developing countries. The present study is pioneer in Brazil and evaluates the cases of some universities in the State of Paraná. Brazil adopts the federation as the administrative political system and being its public Higher Education System basically an attribution of the Federal Government. Nevertheless, some

Cássio Rolim; Ricardo Kureski

88

[PORTAL HYPERTENSIVE GASTROPATHY AT HOSPITAL NACIONAL DELSUR - IPSS AREQUIPA  

PubMed

An analytic prospective study was done in cirrhotic patients with Portal hypertension to study a new pathology known as Portal Hypertensive Gastropathy. In 73.3 per cent of patients with cirrhosis, hospitalized inthe Gastroenterology Area, Portal Hypertensive Gastropathy was present. Males in the 4th decade of their life were predominant. Mild gastropathy with a mosaic or snake skin endoscopy pattern was the most frequent (60.6%), while in severe gastropathy, the most common pattern was cherry red spots. These lesions were often located in the stomach fundus and body. All the patients presented some vascular alteration and lymphoplasmocytic inflammatory infiltration. No relation was found between the severity of Portal Hypertension or Advanced Liver Disease and changes of the gastric mucosa. PMID:12215739

Cerpa Polar, Rusby; Castro Valdivia, Raúl; Valdez Herrera, Jesús

89

La agricultura y el bienestar nacional en el mundo  

Microsoft Academic Search

Calculations of marginal welfare effects suggest that agricultural development has had important positive affects on national welfare, especially is developing countries. Latin American and Caribbean (LAC) countries have also benefited from agricultural growth, but non-agricultural production has had marginal welfare effects that are greater in magnitude to those provided by agricultural activities. The industrialized, high-income countries experienced positive marginal welfare

Claudio Bravo Ortega; Daniel Lederman

2009-01-01

90

Nutrición enteral domiciliaria (NED): Registro Nacional del año 2000  

Microsoft Academic Search

Goal: Once again, the NADYA-SENPE Working Group analysed the registered data of Home Enteral Nutrition (HEN) in our country, during the year 2000. Material and methods: The data were collected th- rough a closed questionnaire included on our web site (www.nadya-senpe.com). Apart from epidemiological information, the form includes the indication to prescri- be this treatment, the specific nutritional treatment used

M. Planas; M. Castellá; P. P. García Luna; J. Chamorro; C. Gómez Candela; M. D. Carbonell; J. A. Irles; M. Jiménez; A. Pérez de la Cruz; A. Bobis; A. Rodríguez Pozo; G. Adrio; J. Salas; A. J. Calañas; P. Gómez Enterría; A. Mancha; E. Martí Bonmatí; I. Martínez; A. Celador; E. Camarero; C. Tusón; J. A. Carrera; Grupo NADYA-SENPE

2003-01-01

91

Par Par Par Par Parque Nacional do Itatiaia  

Microsoft Academic Search

de de J JJ JJaneir aneir aneir aneir aneiro o o o o, Br Br Br Br Brazil. azil. azil. azil. azil. This study was conduced in a second growth woodland close to Itatiaia National Park (22º30'S e 44º30'W), Rio de Janeiro state, Brazil, and aimed to describe the understory bird community living in this area. We sampled three different

Eliana R. Maia-Gouvêa; Élio Gouvêa; Augusto Piratelli

2005-01-01

92

Boletín del Instituto Nacional del Cáncer - 02-02-2010  

Cancer.gov

En un estudio clínico en fase inicial que probó una vacuna terapéutica en pacientes con leucemia mieloide crónica (LMC) que tomaban el fármaco imatinib (Gleevec), no se pudieron detectar células cancerosas en 7 de los 19 participantes por un tiempo promedio de 22 meses. Los resultados del estudio fueron publicados en el número del 1º de enero de la revista Clinical Cancer Research.

93

Magnetic resonance imaging compatibility test of a cranial prosthesis with titanium screws  

NASA Astrophysics Data System (ADS)

The follow-up of patients with skull prosthesis is necessary to provide adequate medical care. Skull prostheses for cranioplasty have been developed at the Faculty of Odontology of Universidad Nacional Autonoma de Mexico. We built a skull prosthesis phantom and tested for compatibility with standard magnetic resonance imaging procedures. Results showed full compatibility but susceptibility artefacts occurred due to titanium used to fix the prosthesis to the skull.

Jimenez, R.; Benavides, A.; Flores, D.; Hidalgo, S. S.; Solis, S. E.; Uribe, E.; Rodriguez, A. O.

2012-10-01

94

Diversity of Ullucus tuberosus (Basellaceae) in the Colombian Andes and notes on ulluco domestication based on morphological and molecular data  

Microsoft Academic Search

Ullucus tuberosus (common name ‘ulluco’) is a popular tuber crop of Andean highlands. Until now attention has been focused on ulluco from Bolivia,\\u000a Peru and Ecuador, but little is known about its diversity in Colombia. Thirty-six accessions of cultivated ulluco preserved\\u000a in the Gene Bank of the Universidad Nacional de Colombia were studied to assess the genetic diversity and spatial

Mauricio Parra-QuijanoSauris Panda; Sauris Panda; Nohra Rodríguez; Elena Torres

95

Analysis of the hydrological response of a saline closed lake to recent climate changes in South America (Lake Mar Chiquita, Argentina)  

Microsoft Academic Search

Analysis of the hydrological response of a saline closed lake to recent climate changes in South America (Lake Mar Chiquita, Argentina) Magali Troin1, Christine Vallet-Coulomb1, Florence Sylvestre1, Eduardo Piovano2 (1) CEREGE UMR6635, CNRS\\/IRD\\/UPCAM, Europôle méditerranéen de l'Arbois BP 80 13545 Aix-en-Provence cedex 4 (2) CICTERRA-CIGeS, Universidad Nacional de Córdoba, Av. Velez Sarsfield 1611, X5016GCA - Córdoba, Argentina. Lake Mar Chiquita

Troin

2009-01-01

96

[Workshop on Molecular Epidemiology of Viral Diseases].  

PubMed

A workshop on viral epidemiology was held on September 29, 1995 at the Medical School of the Universidad Nacional Autónoma de Mexico. The aim of this workshop was to promote interaction among scientists working in viral epidemiology. Eighteen scientists from ten institutions presented their experiences and work. General aspects of the epidemiology of meaningful viral diseases in the country were discussed, and lectures presented on the rota, polio, respiratory syncytial, dengue, papiloma, rabies, VIH and hepatitis viruses. PMID:9504103

Gómez, B; Cabrera, L; Arias, C F

1997-01-01

97

e-Science initiatives in Venezuela  

Microsoft Academic Search

Within the context of the nascent e-Science in- frastructure in Venezuela, we describe several web- based scientific applications developed at the Cen- tro Nacional de C´ alculo Cient´ifico Universidad de Los Andes (CECALCULA), Merida, and at the Instituto Venezolano de Investigaciones Cient´ificas (IVIC), Caracas. The different strategies that have been followed for implementing quantum chemistry and atomic physics applications are

J. L. Chaves; G. Diaz; V. Hamar; R. Isea; F. Rojas; N. Ruiz; Rodrigo Torrens; Maylett Uzcategui; Julio Flórez-lópez; H. Hoeger; C. Mendoza; Luis A. Núñez

2007-01-01

98

Ten years of Meridian Astronomy studies in Argentina  

NASA Astrophysics Data System (ADS)

In 1996, through a Cooperation Agreement between the Universidad Nacional de San Juan and the Real Instituto y Observatorio de la Armada de España (ROA), the San Fernando Automatic Meridian Circle of this Institute was installed in San Juan, to be jointly operated by this research center and the Observatorio Astronómico Félix Aguilar (OAFA). In these 10 years, the telescope has been working uninterruptedly, and in this paper we inform about its results and its observation program. FULL TEXT IN SPANISH

Mallamaci, C. C.; Pérez, J. A.; Marmolejo, L. F.; Navarro, J. L.; Sedeño, J. A.; Muiños, J. L.; Belizón, F.; Montojo, J.; Vallejo, M.

99

Knowledge and Technologies' assimilation and transference in the linking among University - Local Government - Population: Case Lacabamba  

Microsoft Academic Search

The Universidad Nacional Mayor de San Marcos and its Research Institute IIGEO, through fulfilling their vision, mission and social responsibility, are co-relating institutional efforts with local governments through framework and specific agreements, such as inthecaseoftheMunicipalityofLacabamba.?Throughthisarticleweshowhowthesharingresearchofamultidisciplinaryand? local population team allowed the carrying out of the agreed strategic planning, the identification of the projects portfolio, citizen's consultancy, participative budget, projects profile, local

Daniel Lovera; Lawrence Quipuzco; Carolina Becerra; Laureano Valentín; Dora Valencia; Aldo Noriega; Daniel Núñez; Helga Valdivia; Janet Montoro; Orlando Ipanaque; Daniel Inciso

100

On the Monetary Analysis of an Open Economy (Analyse monétaire d'une économie ouverte) (Del análisis monetario de una economía abierta)  

Microsoft Academic Search

Recent institutional developments in developed economies have led to increasingly competitive money markets that are dominated by price rather than quantity adjustment. In this situation, monetary aggregates, monetary interest rates, and the exchange rate are jointly determined. But, if an interest rate on money balances is simply introduced into a standard asset-market model of monetary equilibrium, it then appears that

Charles Collyns

1983-01-01

101

Depressão e envelhecimento : estudo nos participantes do Programa Universidade Aberta à Terceira Idade  

Microsoft Academic Search

Objectives: to identify depression in the elderly enrolled at the Senior Citizens Open University, a program of the Federal University of Pernambuco, considering demographic, social and economic vari- ables. Methods: epidemiological, descriptive, cross sectional cohort study . A census comprising 358 elderly subjects being 312 women and 46 men (> 60 yr) through the Brasil Old Age Schedule (BOAS) was

Eduardo Maia; Kátia Magdala; Lima Barreto; Ilka Veras Falcão; Moraes Rego

102

JORNALISMO AMBIENTAL, ENVELHECIMENTO DEMOGRÁFICO E UNIVERSIDADE ABERTA À TERCEIRA IDADE: A TESE DO EMPODERAMENTO  

Microsoft Academic Search

The world is aging. This subject is becoming more and more present on the communication media. The future journalists must be made aware of this phenomena that involves a important change in the society. One of the ways can be the study of the empowerment and Social Capital Formation techniques, using the new Information and Communication Technologies, or following the

Pedro Celso Campos; Paulo Freire

103

Conocimientos sobre bioseguridad en estudiantes de medicina de una universidad peruana  

Microsoft Academic Search

obtained higher scores when compared to 23% of students (p<0.001) with a prevalence ratio of 1,79 (CI: 1.4 - 2.3). We also found that most of the students referring needlestick injuries (57%) had higher scores when compared with those who did not refer needlestick injuries (28%), however, no relationship was found between the higher score in our questionnaire with the

CUBA Frine

104

UN ANÁLISIS COMPARADO DE LOS MODELOS APLICADOS PARA LA FINANCIACIÓN DE LAS UNIVERSIDADES ANDALUZAS Y VALENCIANAS  

Microsoft Academic Search

Hasta fechas relativamente recientes los mecanismos de financiación de tipo incrementalista no suponían graves tensiones a la hora de distribuir fondos entre los diferentes servicios públicos. Pero en el actual contexto de persistente déficit de las Administraciones Públicas el diseño y utilización de sistemas de financiación que intenten racionalizar la asignacion de los recursos cobra un especial protagonismo, sobre todo

José Sánchez; Campillo Dolores; Moreno Herrero

105

Tempo e Universidade: A Evolução da Perspectiva Temporal ao Longo do Percurso Universitário  

Microsoft Academic Search

The Time Perspective – TP has deep implications in several motivational processes (Zimbardo & Boyd, 1999), specifically his Future dimension shows a determinant influence in various issues like vocational development of individuals (Paixão, 2004), academic achievement (Lens & Tsuzuki, 2005) and entrepreneurs attitudes and behaviors (Przepiórka, 2010). However, TP is normally affected by cultural, educational, religious and sociopolitics factors; reason

Victor E. C. Ortuño; Maria Paula Paixão; Isabel Janeiro

2011-01-01

106

Acoustics: A branch of engineering at the Universidad Austral de Chile (UACh)  

NASA Astrophysics Data System (ADS)

At the end of the 1960s, the first acousticians graduating at UACh had acquired an education in applied physics and musical arts, since there was no College of Engineering at that time. Initially, they had a (rather modest) four-year undergraduate program, and most of the faculty were not specialized teachers. The graduates from such a program received a sound engineering degree and they were skilled for jobs in the musical industry and sound reinforcement companies. In addition, they worked as sound engineers and producers. Later, because of the scientific, industrial and educational changes in Chile during the 1980s, the higher education system had massive changes that affected all of the undergraduate and graduate programs of the 61 universities in Chile. The UACh College of Engineering was officially founded in 1989. Then, acoustics as an area of expertise was included, widened and developed as an interdisciplinary subject. Currently, the undergraduate program in acoustics at UACh offers a degree in engineering sciences and a 6-year professional studies in Civil Engineering (Acoustics), having two main fields: Sound and Image, and Environment and Industry.

Poblete, Victor; Arenas, Jorge P.; Sommerhoff, Jorge

2002-11-01

107

Psychological Coping and Well-Being of Male Latino UndergraduatesSobreviviendo la universidad  

Microsoft Academic Search

This study examined 100 male Latino undergraduates' cultural self-esteem, perceived educational barriers, cultural fit, coping responses (CRs), and subsequent well-being within higher education. The most commonly reported CR for Latino males was to actively find out more about the situation and take a positive planned action. Assessing group mean differences, a class standing by generation interaction revealed that first-generation lower

Alberta M. Gloria; Jeanett Castellanos; Nicholas C. Scull; Francisco J. Villegas

2009-01-01

108

DETERMINANTES DE LAS PATENTES UNIVERSITARIAS. EL CASO DE LA UNIVERSIDAD POLITÉCNICA DE VALENCIA  

Microsoft Academic Search

Universities have traditionally developed training and research functions. In the last decades they have adopted a third function: the transfer of their knowledge. The instruments employed have been varied: R&D contracts, assessments, technical reports and others like patent licensing, about which a special emphasis has been placed for some years. The surge of patents at developed country universities is justified

2001-01-01

109

Preparando a los futuros maestros contra el racismo: una experiencia formativa en la Universidad de Almería  

Microsoft Academic Search

The arrival of a large number of immigrants at Spanish schools has turned classrooms into multicultural spaces. This is the reason why prospective teachers must receive appropriate training in cultural diversity. This paper presents a detailed study of the concept of racism as perceived by a group of prospective teachers who took the course on \\

Rosario Isabel; HERRADA VALVERDE; Rosario Isabel Herrada Valverde; Carretera de Sacramento

2008-01-01

110

La enseñanza de la astrología en la Universidad de Salamanca (1460 - 1530).  

NASA Astrophysics Data System (ADS)

With the creation of the chair of Astrology at the University of Salamanca in 1460 starts an astrological development, which collects critically the classical and the medieval Arab and Jewish texts. Continuing the work of Alphons X it initiates the theoretical and practical development of astrology, which anticipates the Copernican revolution. The paper presents a general overview of the teachers of that chair and a summary of the most important texts.

García Castillo, P.

111

ADOLESCÊNCIA, SEXUALIDADE E MÍDIA: UMA BREVE REVISÃO DA LITERATURA NACIONAL E INTERNACIONAL  

Microsoft Academic Search

This study had as objective identify to the existing production concerning the subjects adolescence, sexuality and media. To carry it out, surveys in international and national databases had been done, using related describing terms to the subject. In the joined references the subjects more investigated by its authors had been identified, being between them: informative rule of the media, the

Raquel de Barros; Pinto Miguel

2007-01-01

112

[Clindrical battery in the stomach in the Instituto Nacional de Salud del Niño, Lima, Peru].  

PubMed

The ingestion of foreign bodies (EC) is a problem commonly seen by pediatricians and emergency physicians. The intake is almost always accidental and most common objects are coins, pieces of toys, jewelry or batteries. The button batteries are the most common, in which case is important early diagnosis and removal. The cylindrical battery ingestion is very rare, are typically alkaline manganese or nickel-cadmium (rechargeable) and when ingested they can cause toxic and corrosive damage. Such damage may occur as a result of the effect of acid gastric contents sustained over a period of days or weeks. We report the case of a patient who accidentally ingested a cylindrical battery, which was removed from the stomach endoscopically without complications. PMID:23838943

Alarcón Olivera, César; Ormeño Julca, Alexis

113

BEITRÄGE ZUR SAMMLUNG LAGUNILLAS DES MUSEO NACIONAL DE BELLAS ARTES IN HAVANNA (KUBA)  

Microsoft Academic Search

La Collection Lagunillas à La Havane, qui porte le nom de son fondateur Joaquín Gumá Herrera, comte de Lagunillas, est une des plus importantes collections d'art antique d'Amérique latine. Elle comprend quelque cinq cents objets d'art égyptien, grec et romain formant un ensemble clairement structuré autour de pièces importantes dans le domaine des vases attiques et de la sculpture de

OTHMAR JAEGGI; STEPHAN G. SCHMID

1996-01-01

114

Nuevas adiciones de algas marinas para el Parque Nacional Mochima, Sucre, Venezuela  

Microsoft Academic Search

The marine algal flora from the eastern coast of Mochima National Park, Sucre, Venezuela was studied with a total of 51 taxa identified, including eight new additions of red algae which are Erythrotrichia carnea (Dillwyn) J. Agardh, Sahlingia subintegra (Rosenvinge) Kornmann, Liagora ceranoides Lamouroux, Asparagopsis taxiformis (Delile) Trevisan, Dasya corymbifera J. Agardh, Chondria dasyphylla (Woodward) C. Agardh, Herposiphonia secunda f.

Soraida Silva; Leonor Brito; Andrés Lemus

115

Merit Pay, Scientific Production and Comision Nacional Evaluadora de la Acitividad Investigadora del Profesorado Universitario  

ERIC Educational Resources Information Center

Some authors have given the CNEAI (National Commission for the Evaluation of Research Activity) a notorious role in the promotion of scientific research in Spain when considering the requirements for this institution as one of the essential elements in the increase of the Spanish scientific production in the last few years. We hereby expose that…

Polo, Gema; de las Heras, Gustavo

2008-01-01

116

Measurements of the Apparent Solar Diameter with Astroable at Observatório Nacional - 1997/2000  

NASA Astrophysics Data System (ADS)

Observations of the solar diameter are affected by a number of experimental difficulties. The metrological qualities of the astrolabe have rendered the modified CCD solar astrolabe a very reliable instrument for these measurements. The average value for the solar semi-diameter measured at O.N. is 959".16 ± 0".01, for ?= 563.5 nm, and an effective bandpass of 168 nm To improve the signal to noise ratio, the images are treated for flat field. This includes distortions brought about by the COHU 4710 camera, the astrolabe optics, and by the system of filters used to cut down the incoming solar light. All frames are taken with constant integration time (0.2 sec), thus dark current effects are taken into account in the flat field mask. IRAF routines are used, while complementary procedures were developed by the authors. The extensive series observed (more than 12000 independent measures) is examined as a time series, using different methods, such as CLEAN and Fourier series, in order to check for the robustness of the answers. The prevalent conditions during the measurements are analyzed and their importance for the quality of the results is discussed. Conclusions are drawn about the statistical significance of the periodicities and features found.

Andrei, A. H.; Reis Neto, E.; Penna, J. L.; de Almeida, W. G.; D'Ávila, V. A.; Puliaev, S. P.; Jilinski, E. G.

117

Primera conferencia a nivel nacional para tratar asuntos genéticos importantes para la población hispana/latina  

Cancer.gov

La reunión cumbre de la Red de Consulta Comunitaria Hispana/Latina en Genética (HLGCCN, por sus siglas en inglés), la primera reunión de este tipo, se llevará a cabo en Washington, D.C., del 22 al 24 de junio de 2003.

118

Activities of the Development Branch (Comision Nacional de Energia Atomica, Buenos Aires, Argentina) 1978-1981.  

National Technical Information Service (NTIS)

The activities carried out by the Development Branch from 1978 through 1981 are summarized. Subjects covered include: Metallurgy, Nuclear Fuels, Instrumentation and Control, Nuclear Reactors, as well as the various projects developed during this period an...

R. Candame de Gallo M. R. E. Marrapodi L. B. Baez

1982-01-01

119

Inconsistencias en la seguridad nacional de Vicente Fox y la relacion con Estados Unidos  

Microsoft Academic Search

The central argument of this dissertation is to examine how the political regime which emerged from the Mexican Revolution confused its own security with the security of the Nation-State between 1928 and the year 2000. Nevertheless, that was the type of relationship supported by Washington because it helped to preserve its own interests of stability and security in its Southern

Abelardo Rodriguez Sumano

2007-01-01

120

VIGILANCIA NACIONAL DE LA RESISTENCIA A MEDICAMENTOS ANTITUBERCULOSOS, PERÚ 2005-2006  

Microsoft Academic Search

Objective. To determine the anti-tuberculosis drug resistance prevalence in Peru. Material and methods. We performed a conglomerated sampling in 33 health regions from Peru. We used a Canneti proportions method in solid medium L-J for testing Mycobacterium tuberculosis susceptibility with isoniazid (INH) rifampicin (RMP), streptomycin (SM) and ethambutol (EMB). Strains with TB MDR was evaluated to second line drug susceptibility

Luis Asencios; Neyda Quispe; Alberto Mendoza-Ticona; Elena Leo; Lucy Vásquez; Oswaldo Jave; César Bonilla

2009-01-01

121

The acoustic design of the Centro Nacional de las Artes in Mexico City  

NASA Astrophysics Data System (ADS)

In this paper the acoustic design of the separate buildings housing the school of music, school of drama, and school of dance that opened in 1996 will be described. Spaces that JHA designed included practice rooms, studios, rehearsal rooms, black box, and concert hall. Details of room acoustic treatments, sound isolation measures, and venturi air flow will be illustrated. An overview of the entire project will also include the 500 seat multipurpose theater (with variable absorption systems) and the Alla Magna. Differences between the American and Mexican styles of consulting, importing of materials, installation, and commissioning will also be discussed.

Cooper, Rusell

2002-11-01

122

Ciencia-ficcion Cubana: El proyecto nacional del hombre nuevo socialista  

Microsoft Academic Search

The Cuban and Latin American literary canon does not pay much attention to the development of the science fiction genre. However, the study and incorporation of this genre is key to the complete understanding of such canon. This investigation focuses on the relationship between the traditional Cuban literary canon and the ideas brought up by the 1959 revolution on the

Juan Carlos Toledano Redondo

2002-01-01

123

Boletín del Instituto Nacional del Cáncer - 3 de enero de 2012  

Cancer.gov

Dra. Rachel Ballard-Barbash Nuevos indicios del papel de la obesidad en el cáncer A medida que ha aumentado la prevalencia de la obesidad alrededor del mundo, se ha incrementado también la preocupación sobre sus consecuencias en la salud pública. Los índices de obesidad se han más que duplicado desde 1980, según la Organización Mundial de la Salud.

124

Boletín del Instituto Nacional del Cáncer - 27 de marzo de 2012  

Cancer.gov

Le invitamos a que comparta esta publicación con sus amigos, familiares y colegas y nos ayude a continuar nuestra misión de difundir las investigaciones más recientes sobre la prevención, el tratamiento y la información del cáncer.

125

Memoria del Primer Seminario Nacional de Energia (Memoir of the First Seminar on Energy).  

National Technical Information Service (NTIS)

This report is a collection of papers presented at a seminar on energy held in Costa Rica. The studies concentrate on the countries of Central America. Conclusions and recommendations are given for solar, wind, and biomass energy. Hydraulic resources in C...

1978-01-01

126

Boletín del Instituto Nacional del Cáncer - 31 de enero de 2012  

Cancer.gov

Dr. Nils Daulaire Salud mundial a través de la colaboración y el liderazgo Para conmemorar el Día Mundial del Cáncer que tuvo lugar el 4 febrero, el doctor Nils Daulaire, director de la Oficina de Asuntos Internacionales del Departamento de Salud y Servicios Humanos de los Estados Unidos habla sobre las razones por las cuales los Estados Unidos deben participar en iniciativas para mejorar la salud mundial.

127

Measurement of seeing in Bogotá by Differential Images Monitoring Movement  

NASA Astrophysics Data System (ADS)

The search for a suitable site for the location of an observatory in the torrid zone is a task that requires time and effort. We present a project wich aims to search such place along three phases: (1) A careful analysis of temporal series of meteorological variables available in the literature and databases (IDEAM), (2) The use of a meteorological model and satellite images in order to filter only a few places and (3) The use of the DIMM technique to determine the optical seeing in the places selected in (2). The DIMM techique is currently working with the instrumentation available at the Observatorio Astronómico at Universidad Nacional de Colombia in Bogotá.

Londoño, S. P.; Pinzón, G.

2011-10-01

128

(Creep cavitation in nickel aluminides)  

SciTech Connect

Work on creep cavitation has been performed in collaboration with Professor L. Martinez of the Instituto de Fisica of the Universidad Nacional de Mexico in Cuernavaca, Mexico. A joint manuscript on Influencing the Shape of Creep Cavities in Nickel Aluminides by Stress Changes'' has been finalized. All details required to perform urgently needed numerical calculations on the growth of creep cavities in the presence of creep deformation have been identified and clearly defined. Ideas for incorporating the stochastic aspects of creep cavitation (coalescence) have been developed and will improve our present understanding of creep cavitation in nickel aluminides.

Schneibel, J.H.

1987-08-18

129

"Biomoléculas": cellular metabolism didactic software  

NASA Astrophysics Data System (ADS)

"Biomoléculas" is a software that deals with topics such as the digestion, cellular metabolism and excretion of nutrients. It is a pleasant, simple and didactic guide, made by and for students. In this program, each biomolecule (carbohydrates, lipids and proteins) is accompanied until its degradation and assimilation by crossing and interrelating the different metabolic channels to finally show the destination of the different metabolites formed and the way in which these are excreted. It is used at present as a teaching-learning process tool by the chair of Physiology and Biophysics at the Facultad de Ingeniería - Universidad Nacional de Entre Ríos.

Menghi, M. L.; Novella, L. P.; Siebenlist, M. R.

2007-11-01

130

San Marcos Astronomical Project and Doctoral Prospectus  

NASA Astrophysics Data System (ADS)

The Universidad Nacional Mayor de San Marcos, UNMSM, in Lima, Perú, is the only Peruvian institution working for the peruvian astronomical development as a career since 1970. We are conforming a network with international friend astronomers to invite them as Visiting Lectures to assure the academic level for the future doctoral studies in the UNMSM. The Chancellor of UNMSM has decided that the Astronomical Project is a UNMSM Project, to encourage and advance in this scientific and strategical area, to impulse the modernity of Peru, the major effort will be the building of the San Marcos Astronomical Observatory, with a telescope of 1 meter aperture.

Aguilar, M. L.

2009-05-01

131

On inverse scattering at a fixed energy for potentials with a regular behaviour at infinity  

NASA Astrophysics Data System (ADS)

We study the inverse scattering problem for electric potentials and magnetic fields in {\\bb R}^d, d\\geq 3 , that are asymptotic sums of homogeneous terms at infinity. The main result is that all these terms can be uniquely reconstructed from the singularities in the forward direction of the scattering amplitude at some positive energy. Research partially supported by Universidad Nacional Autónoma de México under project PAPIIT-DGAPA IN 105799, by CONACYT under project P42553F and by the European Group of Research SPECT.

Weder, Ricardo; Yafaev, Dimitri

2005-12-01

132

PREFACE: 14th Latin American Workshop on Plasma Physics (LAWPP 2011)  

NASA Astrophysics Data System (ADS)

These proceedings present the written contributions from participants of the Latin American Workshop on Plasma Physics (LAWPP), which was held in Mar del Plata, Argentina, on 20-25 November 2011. This was the 14th session of the series of LAWPP biennial meetings, which started in 1982. The five-day scientific program of LAWPP 2011 consisted of 32 talks and various poster sessions, with the participation of 135 researchers from Argentina, Brazil, Canada, Chile, Colombia, Mexico, Puerto Rico, USA, Venezuela, as well as others from Europe and Asia. In addition, a School on Plasma Physics and a Workshop on Industrial Applications of Plasma Technology (AITP) were organized together with the main meeting. The five-day School held in the week previous to the meeting was intended for young scientists starting their research in Plasma Physics. On the other hand, the objective of the AITP Workshop was to enhance regional academic and industrial cooperation in the field of plasma assisted surface technology. Topics addressed at LAWPP 2011 included space plasmas, dusty plasmas, nuclear fusion, non-thermal plasmas, basic plasma processes, plasma simulation and industrial plasma applications. This variety of subjects is reflected in these proceedings, which the editors hope will result in enjoyable and fruitful reading for those interested in Plasma Physics. It is a pleasure to thank the Institutions that sponsored the meeting, as well as all the participants and collaborators for making this meeting possible. The Editors Luis Bilbao, Fernando Minotti and Hector Kelly LAWPP participants Participants of the 14th Latin American Workshop on Plasma Physics, 20-25 November 2011, Mar del Plata, Argentina International Scientific Committee Carlos Alejaldre, Spain María Virginia Alves, Brazil Ibere Caldas, Brazil Luis Felipe Delgado-Aparicio, Peru Mayo Villagrán, Mexico Kohnosuke Sato, Japan Héctor Kelly, Argentina Edberto Leal-Quirós, Puerto Rico George Morales, USA Julio Puerta, Venezuela Leopoldo Soto, Chile Michael Tendler, Sweden Carlos Varandas, Portugal Henry Riascos, Colombia Ivan Vargas-Blanco, Costa Rica Local Organizing Committee Luis Bilbao (Chairman) Fernando Minotti (Vice-Chairman) Luis Bernal, UNMDP Alejandro Clausse, PLADEMA-CNEA Graciela Gnavi, INFIP, CONICET-UBA Fausto Gratton, INFIP, CONICET-UBA Diana Grondona, INFIP, CONICET-UBA Héctor Kelly, INFIP, CONICET-UBA Adriana Márquez, INFIP, CONICET-UBA María Milanese, UNCPBA César Moreno, INFIP, CONICET-UBA Sponsors Instituto de Física del Plasma (INFIP) Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) Comisión Nacional de Energía Atómica (CNEA) Agencia Nacional de Promoción Científica y Tecnológica (ANPCyT) Centro Latino-Americano de Física (CLAF) Universidad Nacional de Mar del Plata (UNMP) Universidad Nacional del Centro de la Provincia de Buenos Aires (UNICEN) Academia Nacional de Ciencias de Buenos Aires (ANCBA) Conference poster

Bilbao, Luis; Minotti, Fernando; Kelly, Hector

2012-06-01

133

Catalogo General de Universidades, 1970-1971: Federacion de Universidades Privadas de America Central y Panama (General Catalog of Universities, 1970-1971: Federation of Private Universities of Central America and Panama).  

ERIC Educational Resources Information Center

|This document contains the 1970-1971 catalogues of five universities belonging to the Federation of Private Universities of Central America and Panama (FUPAC). The catalogues provide information on university administrators and staff, historical background, admission requirements, degree programs, scholarships, and courses. The catalogues…

Federacion de Universidades Privadas de America Central y Panama, Guatemala City (Guatemala).

134

Alimentación de mamíferos de caza en los «aguajales» de la Reserva Nacional de Pacaya-Samiria (Iquitos, Perú) Feeding of game animals on «aguajales» in the Reserva Nacional Pacaya Samiria (Iquitos, Peru)  

Microsoft Academic Search

. Finalmente, en los aguajales fueron registradas 16 especies de plantas alimenticias, la mayoría habitando en los aguajales semi-eutrofizados; de ellas, el aguaje (Mauritia flexuosa L.f.), la shapaja (Scheelea cephalotes Poepp. Ex Mart) y los renacos (Ficus spp.), constituyeron los recursos alimenticios más importantes, de cuyos frutos y semillas se alimentaron alrededor de 14 especies de mamíferos de caza. Palabras

Rolando Aquino

135

LÁCTEOS BOVINOS Y PERCEPCIÓN DE LA LECHE CAPRINA ENTRE ESTUDIANTES DE LA UNIVERSIDAD DE COSTA RICA1  

Microsoft Academic Search

Bovine dairy and goat milk perceptions among students of the University of Costa Rica. Our objective was to establish meaningful differences between age, gender, exercise practice and consumption habits and its interactions among students of the University of Costa Rica. The knowledge and the perception of goat milk among these persons were studied as well. In September 2005 a study

Pedro Vargas-Aguilar; María Lourdes Pineda-Castro; Alejandro Chacón-Villalobos

136

LÁCTEOS BOVINOS Y PERCEPCIÓN DE LA LECHE CAPRINA ENTRE ESTUDIANTES DE LA UNIVERSIDAD DE COSTA RICA 1  

Microsoft Academic Search

Bovine dairy and goat milk perceptions among students of the University of Costa Rica. Our objective was to establish meaningful differences between age, gender, exercise practice and consumption habits and its interactions among students of the University of Costa Rica. The knowledge and the perception of goat milk among these persons were studied as well. In September 2005 a study

Pedro Vargas-Aguilar; María Lourdes Pineda-Castro; Alejandro Chacón-Villalobos

2007-01-01

137

IMPLEMENTAÇÃO DO MODELO NUMÉRICO DA UNIVERSIDADE DE PRINCETON NO ESTUDO DA CIRCULAÇÃO OCEÂNICA AO LONGO DA COSTA PERUANA  

Microsoft Academic Search

The objective was to realize the tuning of the Princeton Ocean Model (POM) along the Peruvian coast at 5°N and 45°S. The model was developed by finite difference schemes of gridded type (called Arakawa-C staggered grid) and we studied the oceanic circulation relative to the period of interest 1991-2001. The methodology of the tuning the model was: (1) to generate

E. Aguirre; E. Campos

138

"Indigenising" or "Interculturalising" Universities in Mexico?: Towards an Ethnography of Diversity Discourses and Practices inside the "Universidad Veracruzana Intercultural"  

ERIC Educational Resources Information Center

|Multicultural discourse has reached Latin American higher education in the form of a set of policies targeting indigenous peoples. These policies are strongly influenced by the transfer of European notions of "interculturality", which, in the Mexican context, are understood as positive interactions between members of minority and majority…

Dietz, Gunther; Cortes, Laura Mateos

2011-01-01

139

Carme Riera, Azorín y el concepto de clásico, Alicante, Publicaciones de la Universidad de Alicante, 2007, 153 pp  

Microsoft Academic Search

Azorín y el concepto de clásico is the latest scholarly work to be produced by well-known Spanish novelist and short story writer Carme Riera (1948 – ), who is also an academic specialising in Spanish literature at the Universitat Autònoma de Barcelona. In this short study, Riera takes as her subject the canonical figure of Spanish novelist, essayist and literary

Sarah Leggott

2007-01-01

140

DISEÑO DE UN ARTE CON LATAS PARA INCREMENTAR EL RECICLAJE EN LA UNIVERSIDAD DR. JOSE GREGORIO HERNANDEZ (UJGH)  

Microsoft Academic Search

This project had as purpose to increase the reciclaje process in the University Dr. José Gregorio Hernández (UJGH), by means of the design of an art with cans and to contribute this way to modify the behavior of the students keeping in mind that they will be in a professional future and they stood out in different areas of the

José Gregorio Hernández

141

Empresa y entorno económico, experiencia del Grupo de Estudios en Economía y Empresa de la Universidad Eafit  

Microsoft Academic Search

En este artículo se presentan los fundamentos conceptuales de la Política Coyuntural de la Empresa, la cual considera que los estados financieros de las empresas reflejan sus relaciones con el entorno, y las aplicaciones realizadas por el Grupo de Estudios en Economía y Empresa. Luego de introducir los principios fundamentales, se trata el tema de la visión de la empresa

Javier Santiago Ortiz

2004-01-01

142

DINÂMICA ESPACIAL DO USO DA TERRA NA ZONA DE AMORTECIMENTO DO PARQUE NACIONAL DA SERRA DA BOCAINA  

Microsoft Academic Search

The main objective in this research was to explain the conflicts between conservation and land uses in Taquari, São Roque and Barra Grande nestings, located at the damping zone of the park (PNSB). The specific objectives were: to compare the dynamics in land use with the implemented policies, from 1968 to 1999. Data access, historical and socio-economic analysis were estabilished

Laura Jane Gomes; Orlando Pedreschi; Rozely Ferreira dos Santos; Maristela Simões

143

Abuso de Inhalantes. Instituto Nacional Sobre el Abuse de Drogas. (Inhalant Abuse. National Institute on Drug Abuse Research Report Series).  

National Technical Information Service (NTIS)

National surveys indicate that more than 22.9 million Americans have abused inhalants at least once in their lives. NIDA's Monitoring the Future study reveals that approximately 17.3 percent of eighth-graders have abused inhalants. Parents and children ne...

2005-01-01

144

[Consensus report for the clinical care of smoking cessation in Spain. Comité Nacional para la Prevención del Tabaquismo].  

PubMed

Tobacco use presents an odd confluence of circumstances: it is a significant and high threat to health, and there is a lack of motivation among health workers to act accordingly. Yet we have effective interventions. It is really hard to identify any other determinant of health presenting this mixture of lethality, prevalence, and lack of care, despite having effective treatments readily available. On the other hand, smoking cessation interventions are considered as the gold standard of preventive interventions, far above other preventive measures commonly used. This has prompted the National Committee for Smoking Prevention to develop a consensus document for the Clinical Care of Smoking Cessation in Spain. The purpose of this technical and scientific document is to agree on a basic proposal of quality of care to tackle smokers to quit. This document would serve as a guideline in the clinical practice in our country. The aims of this agreement are to review the effectiveness of the existing therapies for smoking cessation, to synthesize their available evidence, and to set the basic minimum standards of care in the clinical practice of patients who smoke. The consensus sets the strategies, and the evidences that support them, in order to assist both the smokers who want to quit, and the smokers who do not, setting out the steps to intervene in the most adequate. PMID:23246167

Camarelles Guillem, Francisco; Dalmau González-Gallarza, Regina; Clemente Jiménez, Lourdes; Díaz-Maroto Muñoz, José Luis; Lozano Polo, Adelaida; Pinet Ogué, María Cristina

2012-12-13

145

Panorama del Analisis Nacional del TRI Compendio de Emisiones Toxicas, 2011 (Toxics Release Inventory National Analysis Overview, 2011).  

National Technical Information Service (NTIS)

Tens of thousands of chemicals are used by industries and businesses in the United States to make the products on which our society depends, such as pharmaceuticals, clothing, and automobiles. Many of the chemicals needed to create these products are toxi...

2013-01-01

146

PLANTAS INTRODUCIDAS EN EL PARQUE NACIONAL TORRES DEL PAINE, CHILE ALIEN PLANTS IN TORRES DEL PAINE NATIONAL PARK, CHILE  

Microsoft Academic Search

We report 61 new records of alien plants for Torres del Paine National Park. The park is located in the Magellan Region (49°21'-51°08'S y 73°07'-74°52'O), with an area of 181.414 ha. The study area has 21 families, 65 genera and 85 alien species. The families with the largest number of species are Poaceae (22 spp.), Asteraceae (11 spp.) and Caryophyllaceae

Erwin Domínguez; Arve Elvebakk; Clodomiro Marticorena; Aníbal Pauchard

147

[Environmental evaluation near a fuel vendor within Parque Nacional Morrocoy, Venezuela. II: Water quality, sediments and biota].  

PubMed

This paper is the second part of a base line study carried out in the coastal region near a marine service station located in Morrocoy National Park, Venezuela. Results from a physical and chemical characterization of the water and sediments of four sites located around the service station are presented. The physical and chemical factors measured in water included: temperature, salinity, specific conductance, dissolved oxygen, saturation percentage of dissolved oxygen, pH, total suspended solids, transparency, oil and grease, total residual petroleum hydrocarbon, vanadium and lead, total coliform bacteria, and the presence of coliform bacteria. The factors measured in sediments include: granulometry, organic material, total carbonates, vanadium, lead, oil and grease, and total hydrocarbons. In addition, the amount of vanadium and lead in sample tissue from three species which are abundant and widely distributed in each site was measured in order to evaluate the potential of these species as bio-indicators. The water in the area where this study was conducted is shallow, warm, and thermally homogeneous, with high salinity and normal pH and dissolved oxygen, and supersaturated with oxygen in certain hours in sites adjacent to abundant underwater vegetation. The water is moderately turbid with a tendency towards less dissolved oxygen with increased depth. The estimated values of NMP/100 ml of the coliform fecal organisms is within legal limits even though the total number of water coliforms measured in Site 2 was ten times higher than in Site 1. This increase is associated with the proximity of Site 2 to an outflow of pre-treated sewage. The values of TRPH in the water collected from each site were low and very close to the detection limit (0.8/ml). Vanadium was not found, while lead was detected in 11 of the 12 samples. Compared to the values measured for Site 1, which was the local reference, only one sample had a concentration of three times the maximum baseline. The amount of lead found in all analyzed samples was acceptable, according to the standards set by the State of Washington (maximum value: 292 mg/kg), while the concentration of lead in the sediments around the supply dock were 1.5 to 3.4 times greater than the Dutch norm. It can be concluded that there is no evidence of an accumulation of Va or Pb in the species selected as bioindicators. An observation program is proposed in which variables similar to those measured for this characterization will be studied with some modifications. A more intense sampling of some variables is recommended (lead in water and sediments, total coliform and fecal matter in consecutive samples and in days following a high concentration of visitors) as is the elimination or minimization of other variables. PMID:15266791

Rada, M; Losada, F

2000-12-01

148

Mamíferos carnívoros e sua relação com a diversidade de hábitats no Parque Nacional dos Aparados da Serra, sul do Brasil  

Microsoft Academic Search

Carnivore mammals and their relation with habitat diversity in Aparados da Serra National Park, southern Brazil. A survey of carnivore mammals was accomplished in Aparados da Serra National Park from February 1998 to March 2000. The park has 10,250 ha and is considered a biodiversity core area of the Atlantic Forest Biosphere Reserve in the Rio Grande do Sul State,

Maria de Fátima M. dos Santos; Mateus Pellanda; Ana Cristina Tomazzoni; Heinrich Hasenack; Sandra Maria Hartz

2004-01-01

149

Plan Nacional de Desarrollo y Seguridad 1971-1975 (National Plan for Development and Security, 1971-1975).  

ERIC Educational Resources Information Center

This article discusses the education provisions established in the Argentine Plan for Development and Security (1971-1975). The statements on educational development call for a diagnostic study of the current cultural and educational situation, the establishment of objectives and strategies, goals for each level of education, steps for the…

Boletin del Centro Nacional de Documentacion e Informacion Educativa, 1971

1971-01-01

150

Technical Assistance for Digital Broadcast Standards. Executive Summary. ANSP, Autoridad Nacional De Los Servicios Publicos Panama, Panama. Final Report (Revised).  

National Technical Information Service (NTIS)

Strategic Policy Research Inc. was selected to provide technical assistance to the telecommunications and broadcast regulator (ANSP) of the Republica de Panama in developing policies for managing the transition of broadcasting from the current analog syst...

2006-01-01

151

Mujer, nacion y progreso en el discurso del exilio de Clorinda Matto de Turner y Juana Manuela Gorriti  

Microsoft Academic Search

The reason for researching the narrative of Juana Manuela Gorriti and Clorinda Matto de Turner is to understand the role they performed in a patriarchal society at the end of the 19th century and how they are able to project through their voice in pro of modernity not only in their respective countries, but also be able to go beyond

Alvaro M. Torres-Calderon

2006-01-01

152

EFETIVIDADE NO ENSINO SUPERIOR BRASILEIRO: APLICAÇÃO DE MODELOS MULTINÍVEL À ANÁLISE DOS RESULTADOS DO EXAME NACIONAL DE CURSOS  

Microsoft Academic Search

This study analyses the impact of institutional characteristics on the students' performance in the National Examination of Higher Education Courses (Provão). A sample of more than 92500 students from Management, Law and Civil Engineering who had made the tests in the year 2000 was analyzed. Multilevel models have been fitted because these data present an evident hierarchical structure. Regarding individual

Maria Dolores Montoya Diaz

2005-01-01

153

Utilização de métodos invasivo e não invasivo na predição das performances aeróbia e anaeróbia em nadadores de nível nacional  

Microsoft Academic Search

Use of invasive and non-invasive protocol tests on aerobic and anaerobic performances prediction in Brazilian swimmers The purpose of this study was to compare the critical velocity (VC) with the anaerobic threshold (LAN) and verify the relationship among VC and LAN with anaerobic swimming capacity (CTA) with the swimmer's performance in the 15m, 25m, 50m, 100m, 200m, 400m distances in

Marcelo Papoti; Alessandro M. Zagatto; Olga C. Mendes; Claudio A. Gobatto

154

Transmisión de Mycoplasma hyopneumoniae en una granja con separaciones abiertas o sólidas determinada por la prueba de reacción en cadena de la polimerasa Transmission of Mycoplasma hyopneumoniae in a farm with solid or open pen partitions determined by polymerase chain reaction test  

Microsoft Academic Search

The dynamics of transmission of Mycoplasma hyopneumoniae are described in a conventional nursery fi tted with two different pen partition designs (open vs. solid), as variables that infl uences the spread of this organism. This study was conducted in a farm known to be M. hyopneumoniae positive with a 50% prevalence of PCR positive pigs at weaning. This farm had

Montserrat Torremorell; Carlos Pijoan; Álvaro Ruiz; Susana Mendoza

155

Statistical panorama of female physics graduate students for 2000-2010 in Peru  

NASA Astrophysics Data System (ADS)

We report the results of a statistical study on the number of women entering the undergraduate and master's programs of physics at Universidad Nacional Mayor de San Marcos in Peru. From 2006 through 2010, 13 female students entered the master's degree program but no females graduated with the degree. Considering that Peru is a developing country, a career in physics is not considered an attractive professional choice even for male students because it is thought that there are no work centers to practice this profession. We recommend that the causes preventing female physics students from completing their studies and research work be analyzed, and that strategies be planned to help women complete their academic work. We are considering getting help from the Peruvian Physics Society (SOPERFI) in order to draw more attention for our plan.

Cerón Loayza, María Luisa; Bravo Cabrejos, Jorge Aurelio

2013-03-01

156

Evaluation of a solar intermittent refrigeration system for ice production operating with ammonia/lithium nitrate  

SciTech Connect

A novel solar intermittent refrigeration system for ice production developed in the Centro de Investigacion en Energia of the Universidad Nacional Autonoma de Mexico is presented. The system operates with the ammonia/lithium nitrate mixture. The system developed has a nominal capacity of 8 kg of ice/day. It consists of a cylindrical parabolic collector acting as generator-absorber. Evaporator temperatures as low as -11 C were obtained for several hours with solar coefficients of performance up to 0.08. It was found that the coefficient of performance increases with the increment of solar radiation and the solution concentration. A dependency of the coefficient of performance was not founded against the cooling water temperature. Also it was found that the maximum operating pressure increases meanwhile the generation temperature decreases with an increase of the solution concentration. (author)

Rivera, W.; Moreno-Quintanar, G.; Best, R. [Centro de Investigacion en Energia, Universidad Nacional Autonoma de Mexico, A.P. 34, 62580 Temixco, Mor. (Mexico); Rivera, C.O.; Martinez, F. [Facultad de Ingenieria Campus Coatzacoalcos, Universidad Veracruzana, Av. Universidad Km 7.5, 96530 Coatzacoalcos, Ver. (Mexico)

2011-01-15

157

HAMC2 Astrometry and Photometry calibration and comparison of its data with those of other modern CCD catalogues  

NASA Astrophysics Data System (ADS)

The second Hispano-Argentinian Meridian Catalogue (HAMC2) contains more than 12.500.000 positions and magnitudes of stars brighter than V=16.5 and with declinations between -30° and 0°. It has been computed from the CCD observations of the San Fernando Automatic Meridian Circle (CMASF) installed at present at the Carlos U. Cesco Observatory (CUC) in San Juan (Argentina). The CMASF is operated jointly by the Real Instituto y Observatorio de la Armada (ROA) of Spain, owner of the instrument, and the Observatorio Astronómico Félix Aguilar (OAFA) of the Universidad Nacional de San Juan (Argentina), owner of the CUC. The catalogue will be published in the first half of 2008. In this paper we present the work carried out to implement the HAMC2, the CCD camera sensor calibration and finally the comparison of its astrometric and photometric results with other modern CCD catalogues in order to detect and to remove possible systematic errors.

Muiños, J. L.; Vallejo, M.; Belizón, F.; Montojo, F. J.; Mallamaci, C. C.; Pérez, J. A.; Marmolejo, L. F.; Navarro, J. L.; Sedeño, J.

2008-12-01

158

[Depressive symptomatology and alcohol-related problems during the academic training of medical students].  

PubMed

In order to evaluate the frequency of depressive symptomatology (DS) and alcohol-related problems (ARP) during the academic training of medical students from Universidad Nacional Mayor de San Marcos, a cross-sectional study was conducted among students from first to sixth year of career. The Zung Self-Rating depression scale was used to evaluate DS and the CAGE questionnaire to evaluate ARP. 23.3% of participants had DS, and 7.3% had ARP. We found that the frequency of DS and ARP was higher among students in the first years of career. We recommend it is necessary to take action in the prevention and detection of these disorders from the first years of training of medical students. PMID:23612813

Valle, Rubén; Sánchez, Elard; Perales, Alberto

2013-03-01

159

Observing exoplanets from Brazil: the first try  

NASA Astrophysics Data System (ADS)

This project consists in mapping a 4-square-degree region searching for exoplanets using the transit method. This “mini-survey” will be the first use of the 16? robotic telescope developed by Universidade Federal de Santa Catarina (UFSC-Brazil) and Laboratório Nacional de Astrofísica (LNA/MCT-Brazil). The chosen region is over the Columba constellation and our first observations have shown that we have enough signal-to-noise ratio to search for transits on about 20,000 stars with ~13 < I < 16 mag, a magnitude range between the OGLE and HAT projects. In this star sample we expect to find about a dozen planets with transits duration of 1-3 hours and magnitude depth from 0.001 to 0.010 mag. As for other projects, all information will became public as a VO service.

Saito, Roberto; Silva, Paulo Henrique; Kanaan, Antonio; Schoenell, William; Fraga, Luciano; Bruch, Albert

2009-02-01

160

PREFACE: The IX Mexican Workshop on Particles and Fields  

NASA Astrophysics Data System (ADS)

The IX Mexican Workshop on Particles and Fields was held in the beautiful city of Colima, in the South-West of Mexico, from 17-22 November 2003. The proceedings of the Workshop were delayed due to problems with a previous publisher, we are very grateful that Journal of Physics: Conference Series kindly agreed to publish the proceedings rapidly at this late stage. The Workshop aimed to cover, through invited lectures delivered by internationally known experts, the most recent developments in the field. There was also a series of short seminars as well as a poster session, which allowed the whole community to participate with their most recent research results. A special session was dedicated to awarding the Division Medal to Professor Benjamin Grinstein, from The University of California, San Diego, for his outstanding contributions to the field. This volume contains the written version of the material presented at the Workshop. The Workshop was attended by more than 100 participants, including faculty members, postdocs and graduate students. It was organized by the Particles and Fields Division of the Mexican Physical Society, and generously sponsored by several institutions: Universidad de Colima, Universidad Nacional Autónoma de México, Universidad Michoacana de San Nicolás Hidalgo, Centro de Investigaciones y Estudios Avanzados del IPN (CINVESTAV), Consejo Nacional de Ciencia y Tecnología (Conacyt). The Local Organizing Committee was integrated by Paolo Amore, Alfredo Aranda, Carlos Moisés Hernóndez Suórez (Director of the Physics Faculty), Arturo Gonzólez Larios, Enrique Farías Martínez, and Myriam Cruz Calvario, all from the University of Colima. The members of the National Organizing Committee were Adnan Bashir (IFM-UMSHN), Jens Erler (IF-UNAM), Heriberto Castilla Valdés (CINVESTAV-U.Zacatenco), Gabriel López Castro (CINVESTAV-U.Zacatenco), Myriam Mondragón (IF-UNAM) and Luis Villaseñ or (IFM-UMSHN). We gratefully acknowledge the help given by each one of them to the organization of the Workshop. Many thanks also to our Conference Secretaries Patricia Carranza and Soledad López for their efficiency and readiness to help, and to the many students of the University of Colima who helped us with innumerable tasks. Last but not least, we thank most warmly all the speakers for their excellent lectures.

Amore, Paolo; Aranda, Alfredo; Bashir, Adnan; Mondragón, Myriam; Raya, Alfredo

2006-05-01

161

Numerical methods for non-linear problems. Volume 2 Proceedings of the Second International Conference, Universidad Politecnica de Barcelona, Spain, April 9-13, 1984  

NASA Astrophysics Data System (ADS)

The solution of large nonlinear problems remains a costly exercise despite advancements made in both computer hardware and quasi-Newtonlike methods; considerable promise is now seen, however, in a return to iterative processes for equation-solving in which the computational cost of nonlinear problems is comparable to that of linear ones and for which parallel array processors are now available. Attention is presently given to nonlinear solution techniques, geometrically nonlinear problems, reinforced concrete structure analyses, plasticity and structural design problems, recently developed applications of nonlinear finite element structural analyses, transient dynamic problems, potential and viscous flow problems, free surface flows, heat transfer, combustion processes, and geotechnical problems.

Taylor, C.; Hinton, E.; Owen, D. R. J.

162

De la Educacion Liberadora: La Educacion en General y la Universidad en Particular (Concerning Liberalizing Education: Education in General and the University in Particular).  

ERIC Educational Resources Information Center

|This paper offers some theoretical proposals for a radical re-thinking of educational theory. Rather than offering concrete methods for reform, it seeks to point out the general direction for change if education is to strive toward the liberation of man. The relationship of man to history, culture, and knowledge is considered, as is the role of…

Fiori, Ernani Maria

163

Environmental Remote Sensing for Natural Resources Management: A Workshop in Collaboration with Faculdade de Agronomia e Engenharia Florestal, Universidade Eduardo Mondlane  

Microsoft Academic Search

A workshop titled: Environmental Remote Sensing for Natural Resources Management was held from June 12 23, 2006 at Eduardo Mondlane University in Maputo Mozambique. The workshop was initiated through an invitation and pre-course evaluation form to interested NGOs, universities, and government organizations. The purpose of the workshop was to provide training to interested professionals, graduate students, faculty and researchers at

R. A. Washington-Allen; T. E. Fatoyinbo; N. S. Ribeiro; H. H. Shugart; M. D. Therrell; K. T. Vaz; L. von Schill

2006-01-01

164

Gender, age, socio-demographic and lifestyle factors associated with major dietary patterns in the Spanish Project SUN (Seguimiento Universidad de Navarra)  

Microsoft Academic Search

Objective: To ascertain the major dietary patterns in the cohort ‘SUN’ and to assess the association of several sociodemographic (including age and gender) and lifestyle variables with the adherence to these dietary patterns.Design: This study is a cross-sectional analysis of 3847 subjects (1587 men and 2260 women) belonging to a prospective cohort study based on self-reported questionnaires. A factor analysis

A Sánchez-Villegas; M Delgado-Rodríguez; M Á Martínez-González; J de Irala-Estévez

2003-01-01

165

Federacion de Universidades Privadas de America Central y Panama: Boletin Estadistico (Federation of Private Universities of Central America and Panama: Statistical Bulletin).  

ERIC Educational Resources Information Center

This statistical bulletin provides details on the universities belonging to the Federation of Private Universities of Central America and Panama (FUPAC): Central American University, Rafael Landivar University, Saint John's College, University of Santa Maria La Antigua, Jose Simeon Canas University, Doctor Mariano Galvez University, and the…

Serrano, Jorge A.

166

Enhancing Graduate Education and Research in Ocean Sciences at the Universidad de Concepcion (UDEC) and in Chile: Cooperation Between UDEC and Woods Hole Oceanographic Institution.  

NASA Astrophysics Data System (ADS)

The Woods Hole Oceanographic Institution, USA (WHOI) and the University of Concepcion, Chile (UDEC) entered into an MOU to enhance graduate education and research in ocean sciences in Chile and enhance research for understanding the Southeastern Pacific Ocean. The MOU was drafted and signed after exchange visits of faculty. The formulation of a five year program of activities included: exchange of faculty for purposes of enhancing research, teaching and advising; visits of Chilean graduate students to WHOI for several months of supplemental study and research in the area of their thesis research; participation of Chilean faculty and graduate students in WHOI faculty led cruises off Chile and Peru (with Peruvian colleagues); a postdoctoral fellowship program for Chilean ocean scientists at WHOI; and the establishment of an Austral Summer Institute of advanced undergraduate and graduate level intensive two to three week courses on diverse topics at the cutting edge of ocean science research co-sponsored by WHOI and UDEC for Chilean and South American students with faculty drawn from WHOI and other U.S. universities with ocean sciences graduate schools and departments, e.g. Scripps Institution of Oceanography, University of Delaware. The program has been evaluated by external review and received excellent comments. The success of the program has been due mainly to: (1) the cooperative attitude and enthusiasm of the faculty colleagues of both Chilean Universities (especially UDEC) and WHOI, students and postdoctoral fellows, and (2) a generous grant from the Fundacion Andes- Chile enabling these activities.

Farrington, J.; Pantoja, S.

2007-05-01

167

Federacion de Universidades Privadas de America Central y Panama: Boletin Estadistico (Federation of Private Universities of Central America and Panama: Statistical Bulletin).  

ERIC Educational Resources Information Center

|This statistical bulletin provides details on the universities belonging to the Federation of Private Universities of Central America and Panama (FUPAC): Central American University, Rafael Landivar University, Saint John's College, University of Santa Maria La Antigua, Jose Simeon Canas University, Doctor Mariano Galvez University, and the…

Serrano, Jorge A.

168

E-Learning for the Environment: The Universidade Aberta (Portuguese Open Distance University) Experience in the Environmental Sciences Post-Graduate Courses  

ERIC Educational Resources Information Center

Purpose: In recent decades, there has been an increase of public awareness about environmental problems. A simultaneous effort to increase educational course offerings in this area has been made. The purpose of this paper is to evaluate the first edition of the blended learning MSc in Environmental Citizenship and Participation that is offered by…

Bacelar-Nicolau, P.; Caeiro, S.; Martinho, A. P.; Azeiteiro, U. M.; Amador, F.

2009-01-01

169

[Monitoring of Aedes aegypti mosquitoes (Linnaeus, 1762) (Diptera: Culicidae) by means of ovitraps at the Universidade Federal de Mato Grosso Campus, Cuiabá, State of Mato Grosso].  

PubMed

TDengue is one of the most important arboviruses affecting man and is a serious health problem in tropical areas where climatic conditions are favorable for occurrences of foci of Aedes aegypti. Oviposition traps with added hay infusion were installed at 19 points on the campus of the Federal University of Mato Grosso with the objective of investigating the monthly levels of infestation with the dengue vector and the influence of abiotic factors. The results obtained were compared with the following monthly abiotic data: temperature, relative air humidity and precipitation; and with the number of days for which the traps remained in the field. Rain was the only abiotic factor that influenced the level of infestation of the dengue vector at this location. There were significant differences between the quantities of Aedes aegypti eggs found at different sites within the same study area. The numbers of eggs found at each site over the year did not follow a single distribution pattern. PMID:19802474

Miyazaki, Rosina Djunko; Ribeiro, Ana Lúcia Maria; Pignatti, Marta Gislene; Campelo, José Holanda; Pignati, Marina

170

A Ideia de Universidade no Brasil: Influencia do Movimento de Cordoba (The Idea of the University in Brazil: Influences of the Cordoba Movement).  

ERIC Educational Resources Information Center

|Examines influences of the Cordoba Movement in formulation of ideas concerning the inseparability among teaching, research, and extension--a new paradigm for the Brazilian university. Finds the formulation of this inseparability had its origins in the Brazilian student movement of the 1960s which included theses of the Cordoba Manifesto. (BT)|

Mazzilli, Sueli

2000-01-01

171

Empresa, comportamiento innovador y Universidad: el caso de la Economía Social en Andalucía\\/Enterprise, innovating behaviour and University: the case of Andalusian Social Economy  

Microsoft Academic Search

La finalidad de esta investigación es presentar, a partir de datos primarios y secundarios, un modelo cognitivo sobre el comportamiento innovador de las empresas de Economía Social andaluzas, que sea útil a los siguientes agentes sociales: investigadores, empresarios y gestores públicos. Para alcanzar la finalidad previa, se sigue el siguiente itinerario de investigación. En primer lugar, se plantea un modelo

CRISTINA BORRA MARCOS; ANTONIO GARCÍA SÁNCHEZ; FRANCISCO ESPASANDÍN BUSTELO

2005-01-01

172

Relativity, cosmology, topological mass and supergravity; Proceedings of the Fourth Silarg Symposium on Gravity, Gauge Theories and Supergravity, Universidad Simon Bolivar, Caracas, Venezuela, December 5-11, 1982  

NASA Astrophysics Data System (ADS)

Recent advances in the theory of quantum gravity and its application to the study of the very early universe are examined in reviews and reports. Topics discussed include the background-field method, superunification from 11 dimensions, axion cosmology, twistor bundles as a formalism for unified gauge theories of gravitation and other Yang-Mills fields, the inner horizon of the Kerr-Newman metric, and the causal Green function in a Robertson-Walker universe with linear expansion. Consideration is also given to gravitational instability in the presence of a magnetic field, cylindrical gravitational waves, quantum fluctuations in the early universe, and vector-field quantization in curved space-time.

Aragone, C.

173

Cambios del EEG por habituación y condicionamiento en niños de tres a 15 años que acuden al Instituto Nacional de Rehabilitación (INR)  

Microsoft Academic Search

SUMMARY During waking, stimuli activate the sensory pathways giving rise to sensation and the response to such stimulation. The electrobiochemical changes and modifications in EEG rhythms event- related synchronization or event-related desynchronization, ERD or ERS) propagated in the specific and unspecific cortex are added to the changes elicited by the responses and to the new signals originated by those same

Héctor Brust-Carmona; Francisco Ramírez-Aboytes; José Martínez; Ángel Rodríguez Miguel; Blanca Flores-Ávalos; Oscar Yáñez-Suárez

2009-01-01

174

Politica Nacional sobre Discapacidad: Un Informe del Progreso, Diciembre 2000-Diciembre 2001 (National Disability Policy: A Progress Report, December 2000-December 2001).  

ERIC Educational Resources Information Center

This report (written in Spanish) of the National Council on Disability (NCD) describes the nation's progress in advancing public policies to increase the inclusion, empowerment, and independence of people with disabilities in light of the Americans with Disabilities Act of 1990. The report covers December 2000 through December 2001. It reviews…

National Council on Disability, Washington, DC.

175

Politica Nacional sobre Discapacidad: Un Informe del Progreso, Diciembre 2000-Diciembre 2001 (National Disability Policy: A Progress Report, December 2000-December 2001).  

ERIC Educational Resources Information Center

|This report (written in Spanish) of the National Council on Disability (NCD) describes the nation's progress in advancing public policies to increase the inclusion, empowerment, and independence of people with disabilities in light of the Americans with Disabilities Act of 1990. The report covers December 2000 through December 2001. It reviews…

National Council on Disability, Washington, DC.

176

Iniciativa de ley federal del patrimonio cultural de la nacion (Draft of Federal Law for the Cultural Heritage of the Nation).  

ERIC Educational Resources Information Center

|This document is an English-language abstract (approximately 1,500 words) of the draft of a law for the preservation of Mexican national heritage, particularly for the protection, conservation, and recuperation of cultural objects. The document consists of twelve chapters and six articles. Chapter 1 declares the protection, conservation,…

Mexico.

177

[Diversity of wild and domestic mammal's intestinal helminths from the Caatinga of the Parque Nacional Serra da Capivara, Southeast of Piauí, Brazil].  

PubMed

Biodiversity studies allow ecosystem assessment and monitoring of environmental changes and impacts. Parasite diversity could reflect the host/ parasite coevolutionary process and the environment changes that permit the loss, gain or maintenance of species. This survey used species/morphotypes of helminths eggs found in feces from seven wild mammal species (the groups Dasypodidae and Large Cats, and Tamandua tetradactyla, Cebus apella, Alouatta caraya, Cerdocyon thous, Pecari tajacu) and from two domestic species (Canis familiaris and Sus scrofa), which occur within the Serra da Capivara National Park (PNSC) and surrounding areas in order to analise the diversity of mammal intestinal helminths. This work used the helminthological fauna findings of wild and domestic mammals, to consider a possible helminth flux between these two host groups using Unweighted Pair Group Method with Arithmetic Mean (UPGMA) of the hosts based on helminthological fauna composition. The results indicate that the region of the PNSC still maintains environmental conditions that still keep wild mammal helminthological fauna composition different from the one found for domestic mammals. PMID:20040186

Brandão, Martha Lima; Chame, Marcia; Cordeiro, José Luis Passos; de Miranda Chaves, Sérgio Augusto

2009-12-01

178

From Chaitén to the Chilean volcano monitoring network Jorge Munoz, Hugo Moreno, Servicio Nacional de Geología y Minería, Chile, jmunoz@sernageomin.cl  

Microsoft Academic Search

Chaitén volcano in southern Andes started a plinian to subplinian rhyolitic eruption on May 2008 following a long period of quiescence. A new dome complex grew up at high rates during 2008-2009 inside a 2 kilometers caldera like structure. Pyroclastic, laharic, block and ash flows and ash falls deposits have been affecting the surrounding populations, ground, vegetation, ocean and rivers,

J. Muñoz; H. Moreno

2010-01-01

179

Technical Assistance for Digital Broadcast Standards. Section 5. Elaboration of New Legal/Regulatory Framework ANSP, Autoridad Nacional De Los Servicios Publicos Panama, Panama. Final Report (Revised).  

National Technical Information Service (NTIS)

Strategic Policy Research Inc. was selected to provide technical assistance to the telecommunications and broadcast regulator (ANSP) of the Republica de Panama in developing policies for managing the transition of broadcasting from the current analog syst...

2006-01-01

180

Technical Assistance for Digital Broadcast Standards. Section 6. Final Presentation. ANSP, Autoridad Nacional De Los Servicios Publicos Panama, Panama. Final Report (Revised).  

National Technical Information Service (NTIS)

Strategic Policy Research Inc. was selected to provide technical assistance to the telecommunications and broadcast regulator (ANSP) of the Republica de Panama in developing policies for managing the transition of broadcasting from the current analog syst...

2006-01-01

181

Technical Assistance for Digital Broadcast Standards. Section 3.2, Technical Analysis. ANSP, Autoridad Nacional De Los Servicios Publicos Panama, Panama. Final Report (Revised).  

National Technical Information Service (NTIS)

Strategic Policy Research Inc. was selected to provide technical assistance to the telecommunications and broadcast regulator (ANSP) of the Republica de Panama in developing policies for managing the transition of broadcasting from the current analog syst...

2006-01-01

182

Technical Assistance for Digital Broadcast Standards. Section 3.3, Economic Analysis. ANSP, Autoridad Nacional De Los Servicios Publicos Panama, Panama. Final Report (Revised).  

National Technical Information Service (NTIS)

Strategic Policy Research Inc. was selected to provide technical assistance to the telecommunications and broadcast regulator (ANSP) of the Republica de Panama in developing policies for managing the transition of broadcasting from the current analog syst...

2006-01-01

183

Technical Assistance for Digital Broadcast Standards. Section 3.1, Benefits of Digital Broadcasting. ANSP, Autoridad Nacional De Los Servicios Publicos Panama, Panama. Final Report (Revised).  

National Technical Information Service (NTIS)

Strategic Policy Research Inc. was selected to provide technical assistance to the telecommunications and broadcast regulator (ANSP) of the Republica de Panama in developing policies for managing the transition of broadcasting from the current analog syst...

2006-01-01

184

Technical Assistance for Digital Broadcast Standards. Section 4, Organizational Analysis. ANSP, Autoridad Nacional De Los Servicios Publicos Panama, Panama. Final Report (Revised).  

National Technical Information Service (NTIS)

Strategic Policy Research Inc. was selected to provide technical assistance to the telecommunications and broadcast regulator (ANSP) of the Republica de Panama in developing policies for managing the transition of broadcasting from the current analog syst...

2006-01-01

185

Teorías de la hermandad poético-musical en el contorno nacional: la generación argentina de 1837  

Microsoft Academic Search

Considering the processes of nation-building in Argentina during the nineteenth century as well as the consolidation of debates pertaining to the constitution of a 'national literature,' this article explores the relationship between poetry and music outlined in some works by the most important writers of the Argentine romantic Generation of 1837. Juan Thompson, Juan Bautista Alberdi, Esteban Echeverría, Domingo Faustino

Marcos Campillo Fenoll

2009-01-01

186

Resistencia bacteriana en cuidados intensivos y tendencia actual: Departamento de Cuidados Críticos, Servicio de Cuidados Intensivos del Hospital Nacional Guillermo Almenara Irigoyen, Essalud, Lima, Perú, 2004-2006  

Microsoft Academic Search

Introduction: This is a description and analysis of the behavior of most frequently isolated microorganisms in the Intensive Care Unit (ICU) of Gullermo Alemnara-Irigoyen Hospital in Lima. Antimicrobial susceptibility\\/resistance patterns were also analyzed. Material and method: Microorganisms were isolated and their antimicrobial susceptibility patters were assessed using a Micro Scan Walk Away 96 automatic system and Combo NUC panels for

Enrique Luis Paz Rojas; Darío Ponce de León Pandolfi; Rafael Ramírez Ponce

187

Correspondencia entre CIE10 y CIE9 para las listas de causas de muerte del Instituto Nacional de Estadística y de la Región de Murcia  

Microsoft Academic Search

Results: A decline in infectious diseases (-1.7%) and viral hepa- titis, (-12.3%) declined under Tenth revision, while AIDS showed an increase (5.7%). Neoplasms increased a little (0.3%) with the inclu- sion of the Mielodisplasic Syndrome (55.2%). Diabetes mellitus is increased (2.1%). Mental disorders declined on dementia being shif- ted to Alzheimer's disease (28.6%). Cardiovascular diseases dropped slightly (-1.4%), without any

Lluís Cirera Suárez; Miguel Rodríguez Barranco; Emilia Madrigal de Torres; Jesús Carrillo Prieto; Augusto Hasiak Santo; Roberto Augusto Becker; Aurelio Tobías Garcés; Carmen Navarro Sánchez

2006-01-01

188

Abuso de la Marihuana. Instituto Nacional Sobre el Abuso de Drogas (Marijuana Abuse and Addiction. National Institute on Drug Abuse Research Report Series).  

National Technical Information Service (NTIS)

The use of marijuana can produce adverse physical, mental, emotional, and behavioral changes, and contrary to popular belief it can be addictive. Marijuana smoke, like cigarette smoke, can harm the lungs. The use of marijuana can impair short-term memory,...

2005-01-01

189

Síndrome de inmunodeficiencia adquirida en niños institucionalizados en el Hospital Nacional de Mpilo (Zimbabwe) Acquired immunodeficiency syndrome in children institutionalized in Mpilo National Hospital (Zimbabwe)  

Microsoft Academic Search

A descriptive, longitudinal and prospective study of the human immunodeficiency syndrome was carried out in children institutionalized in Mpilo National Hospital in Zimbabwe from April, 2005 to March, 2006. The case material was formed by all the children up to 12 years, attended in the Opportunistic Infections Clinic belonging to this hospital and where they were previously diagnosed with the

Mariela Sosa Zamora; Jorge Ernesto Amarán Valverde; Migdia Pérez Pérez; Carmen Berenguer Gouarnaluses

190

Wearing La Camiseta Nacional: Mexican Soccer Communities in the United States and the Birth of the Tricolor Brand in the Big-Time Sports Global Landscape  

Microsoft Academic Search

This presentation analyzes the profile, evolution and transformation of Mexican soccer communities in the United States in the context of current globalization processes that are redefining national identities, recreational activities, ideals of youth and manhood, and consumer practices among people of Mexican descent in the United States. Focusing on the interactions and connections U.S. Mexican soccer communities have developed with

Juan Javier Pescador

2012-01-01

191

Heroina: Abuso y Adiccion. Instituto Nacional Sobre el Abuso de Drogas (Heroin Abuse and Addiction. National Institute on Drug Abuse Research Report Series).  

National Technical Information Service (NTIS)

Heroin is a highly addictive drug, and its abuse has repercussions that extend far beyond the individual user. The medical and social consequences of drug abuse HIV/AIDS, tuberculosis, fetal effects, crime, violence, and disruptions in family, workplace, ...

2005-01-01

192

VIH/SIDA. Instituto Nacional Sobre el Abuse de Drogas. (HIV/AIDS. National Institute on Drug Abuse Research Report Series).  

National Technical Information Service (NTIS)

Initially characterized by relatively localized outbreaks, HIV/AIDS has now become a pandemic that has literally put the world at risk, affecting diverse populations in different ways. And while all nations are affected by HIV/AIDS, each faces differing u...

2006-01-01

193

Adiccion al Tabaco. Instituto Nacional Sobre el Abuso de Drogas (Tobbaco Abuse and Addiction. National Institute on Drug Abuse Research Report Series).  

National Technical Information Service (NTIS)

Tobacco use kills nearly half a million Americans each year, with one in every six U.S. deaths the result of smoking. Smoking harms nearly every organ of the body, causing many diseases and compromising smokers health in general. Nicotine, a component of ...

2007-01-01

194

Abuso y Adiccion a la Metanfetamina. Instituto Nacional Sobre el Abuse de Drogas. (Methamphetamine Abuse and Addiction. National Institute on Drug Abuse Research Report Series).  

National Technical Information Service (NTIS)

The abuse of methamphetamine a potent and highly addictive psychostimulant is a very serious problem in the United States. Methamphetamine abuse leads to devastating medical, psychological, and social consequences. Adverse health effects include memory lo...

2007-01-01

195

Abuso de la MDMA (Extasis). Instituto Nacional Sobre el Abuso de Drogas (MDMA (Ecstasy) Abuse. National Institute on Drug Abuse Research Report Series).  

National Technical Information Service (NTIS)

The so-called club drug MDMA continues to be used by millions of Americans across the country, despite evidence of its potential harmful effects. 3,4-methylenedioxymethamphetamine (MDMA, or ecstasy) has gained a deceptive reputation as a safe drug among i...

2006-01-01

196

PREFACE: Introduction to the proceedings of Dynamics Days South America 2010  

NASA Astrophysics Data System (ADS)

This proceedings presents selected contributions from the participants of South America Dynamics Days 2011, which was hosted by the National Institute for Space Research (INPE), Brazil, in July 2010. Dynamics Days was founded in 1980 and is the longest standing and most respected international series of meetings devoted to the field of dynamics and nonlinearity. Traditionally it has brought together researchers from a wide range of backgrounds - including physics, biology, engineering, chemistry and mathematics - for interdisciplinary research into nonlinear science. Dynamics Days South America 2010 marked the beginning of the South American branch of Dynamics Days. It brought together, for the first time in South America, researchers from a wide range of backgrounds who share a common interest in the theory and applications of nonlinear dynamics. Thus, South American researchers had a forum to promote regional as well as international scientific and technological exchange and collaboration especially, but not exclusively, on problems that are particularly relevant for the development of science and technology in the South American region. Furthermore, the conference also brought together prominent scientists from around the world to review recent developments in nonlinear science. This conference comprised plenary invited talks, minisymposia, contributed talks and poster sessions. The articles that are compiled here were chosen from among the works that were presented as contributed talks and posters. They represent a good selection which allows one to put issues that were discussed during the conference into perspective. It is possible to evaluate the success of an initiative by using several indices. In relation to attendees, the conference had 311 participants from 22 countries, who presented 341 works. About 86% of the participants came from South American countries. These figures allow one to classify this Dynamics Days conference as that with the greatest number of attendees ever. Finally, we would like to express our gratitude to all the participants for their presentations, discussions, and remarkable interactions with one another. The tireless work undertaken by all the members of the International Advisory Committee and the Organizing Committee must also be recognized. We also wish to express our deep appreciation for the Scientific Societies and Research Support Agencies which supported the conference and provided all the resources which were necessary to make this idea of a South American Dynamics Days come true. Elbert E N Macau, Tiago Pereira, Antonio F B A Prado, Luiz F R Turci, and Othon C WinterEditors Conference photograph Conference photograph Conference photograph Conference photograph International Advisory Committee Adilson E MotterNorthwestern UniversityEvanston - IL - USA Alfredo OzorioCentro Brasileiro de Pesquisas FísicasRio de Janeiro - RJ - Brazil Celso Grebogi (Chair)University of AberdeenAberdeen - UK Ed OttUniversity of MarylandCollege Park - MD - USA Epaminondas Rosa JrIllinois State UniversityNormal - IL - USA Hans Ingo WeberPontifícia Universidade CatólicaRio de Janeiro - RJ - Brazil Holger KantzMax Planck Institute for the Physics of Complex SystemsDresden - Germany Jason Gallas (Co-chair)Universidade Federal do Rio Grande do SulPorto Alegre - RS - Brazil José Roberto Rios LeiteUniv. Federal de PernanbucoRecife - PE - Brazil Jürgen KurthsPotsdam Institute for climate Impact ResearchHumboldt University, Berlin - Germany Kenneth ShowalterWest Virginia UniversityMorgantown - WV - USA Lou PecoraNaval Research LabWashington - DC - USA Luis Antonio AguirreUniversidade Federal de Minas GeraisBelo Horizonte - MG - Brazil Marcelo VianaIMPA - Instituto Nacional de Matemática Pura e AplicadaRio de Janeiro - RJ - Brazil Miguel A F SanjuánUniversidad Rey Juan CarlosMadrid - Spain Paulo Roberto de Souza MendesPontifícia Universidade CatólicaRio de Janeiro - RJ - Brazil Roland KorbeleUniversidade de São PauloSão Carlos - SP - Brazil Rubens SampaioPontifícia Universidade CatólicaRio de Ja

Macau, Elbert E. N.; Pereira, Tiago; Prado, Antonio F. B. A.; Turci, Luiz F. R.; Winter, Othon C.

2011-03-01

197

Ideas de la Comunidad para Mejorar la Respuesta a la Epidemia Nacional del VIH: Informe Sobre el Dialogo Nacional Acerca del VIH/SIDA (Community Ideas for Improving the Response to the Domestic HIV Epidemic: A Report on a National Dialogue on HIV/AIDS).  

National Technical Information Service (NTIS)

From the beginning, ONAP recognized that community involvement was essential in creating a more effective strategy for combating HIV/AIDS in America. To achieve this undertaking, ONAP developed a comprehensive approach for gathering public input and ensur...

2010-01-01

198

Assessing Technology-Assisted Learning Readiness and Willingness of Mexican University Faculty and Administrators Involved in Biotechnology  

Microsoft Academic Search

The Texas Agricultural Experiment Station and three universities from northeast Mexico (Universidad Autónoma de Nuevo León; Universidad Autónoma de Tamaulipas; and Universidad Autónoma Agraria Antonio Narro) are engaged in a project, \\

Patricia Villalobos Peñalosa; Theresa Pesl Murphrey; Kelly Jett Murphrey; Manuel Piña; Andrés de la Concha-Bermejillo

199

List of Participants  

NASA Astrophysics Data System (ADS)

Abigail Alvarez OlarteCINVESTAV Alba Leticia Carrillo MonteverdeDCI-UG Alberto CarramiñanaINAOE Aldo MorselliFERMI Alejandro CastillaDCI-UG Alejandro IbarraTechnical University of Munich Alma D Rojas PachecoFCFM-BUAP Alma Xochitl Gonzalez MoralesInstituto de Ciencias Nucleares, UNAM Andrew Walcott BeckwithAmerican Institute of Beam Energy Physics Ariadna Montiel ArenasDepartamento de Física, CINVESTAV Arnulfo ZepedaCinvestav Arturo Alvarez CruzInstituto de Fisica, UNAM Axel de la MacorraUNAM, IAC Azar MustafayevUniversity of Minnesota Benjamin JaramilloDCI-UG Vincent BertinCPPM-Marseille Carlos Alberto Vaquera-AraujoDCI-UG Carlos MuñozMadrid Autonoma U. & Madrid, IFT Carmine PagliaroneINFN, FNAL Carolina Lujan PeschardDCI-UG Christiane Frigerio MartinsUniversidade Federal do ABC-São Paulo Csaba BalazsMonash University David DelepineDCI-UG David G CerdenoUniversidad Autonoma de Madrid & Instituto de Fisica Teorica Debasish MajumdarSaha Institute of Nuclear Physics, Kolkata, India Dibyendu PanigrahiKandi Raj College, Kandi, Murshidabad, INDIA-742137 Dupret Alberto Santana BejaranoUniversidad de Sonora Departamento de Investigacion en Fisica Ernest MaRiverside U.C. Esteban Alejandro Reyes Pírez MontañezInstituto de Física, UNAM Federico Ortiz TrejoINSTITUTO DE ASTRONOMÍA - UNAM Francisco José de Anda NavarroUniversidad de Guadalajara González Alvarez Francisco JavierCINVESTAV-Depto. Física Gustavo Medina TancoICN-UNAM Hernando Efrain Caicedo OrtizInstituto Politecnico Nacional - IPN J D VergadosCERN & Ioannina U. James R BoyceJefferson Lab Jason SteffenFERMILAB Javier Montaño DomínguezDCI-UG Jeevan SolankiMandsaur Institue of Technology MP India Joe SatoSaitama University Jorge Luis Navarro EstradaUNAM-ICN and Universidad del Atlantico (B/quilla-Col.) Jose A R CembranosUniversity of Minnesota José DíazIFIC Jose Didino Garcia AguilarDepto. de Fisica. Cinvestav Keith OliveUniversity of Minnesota Konstantia BalasiUniversity of Ioannina, Greece Lilian Prado GonzalezBUAP, FCFM Lorenzo Díaz CruzBUAP Facultad de Ciencias Físico Matemáticas Luis Rey Díaz BarrónDivisión de Ciencias e Ingenierías Luis UrenaUniversidad de Guanajuato Magda LolaDept. of Physics, University of Patras, Greece Mahmoud WahbaEgyptian Center for Theoretical Physics, MTI Marcus S CohenNew Mexico State University Mario A Acero OrtegaICN - UNAM Mario E GomezUniversidad de Huelva Mark PipeUniversity of Sheffield Mauro NapsucialeDCI-UG Mirco CannoniUniversidad de Huelva Mónica Felipa Ramírez PalaciosUniversidad de Guadalajara Murli Manohar VermaLucknow university, India Nassim BozorgniaUCLA Octavio Obregón Octavio ValenzuelaIA-UNAM Oleg KamaevUniversity of Minnesota Osamu SetoHokkai-Gakuen University Pedro F González DíazIFF, CSIC, Serrano 121, 28006 Madrid, Spain Qaisar ShafiBartol Research Inst. and Delaware U. Raul Hennings-YeomansLos Alamos National Laboratory René Ángeles MartínezDepartamento de Fisica, del DCI de la Universidad de Guanajuato Reyna XoxocotziBUAP, FCFM Rishi Kumar TiwariGovt. Model Science College, Rewa (MP) INDIA Roberto A SussmanICN-UNAM Selim Gómez ÁvilaDCI-UG Sugai KenichiSaitama University Susana Valdez AlvaradoDCI-UG TVladimir - 2K CollaborationColorado State University Tonatiuh MatosCINVESTAV Valeriy DvoeglazovUniversidad de Zacatecas Vannia Gonzalez MaciasDCI-UG Vladimir Avila-ReeseInstituto de Astronomia, UNAM Wolfgang BietenholzINC, UNAM (Mexico) Yamanaka MasatoKyoto Sangyo University Yann MambriniLPT Orsay Yu-Feng ZhouInstitute of Theotretical Physics, Chinese Academy of Sciences, PR China Aaron HigueraDCI-UG Azarael Yebra PérezDCI-UG César Hernández AguayoDCI-UG Jaime Chagoya AlvarezDCI-UG Jonathan Rashid Rosique CampuzanoDCI-UG José Alfredo Soto ÁlvarezDCI-UG Juan Carlos De Haro SantosDCI-UG Luis Eduardo Medina MedranoDCI-UG Maria Fatima Rubio EspinozaDCI-UG Paulo Alberto Rodriguez HerreraDCI-UG Roberto Oziel Gutierrez CotaDCI-UG Rocha Moran Maria PaulinaDCI-UG Xareni Sanchez MonroyDCI-UG

2011-08-01

200

Human geomorphic footprint and global geomorphic change: implications for hydrogeomorphic hazards  

NASA Astrophysics Data System (ADS)

The human geomorphic footprint (HGF), expressed as the area affected by the construction of new 'anthropogeoforms' or the volume of geologic materials directly or indirectly displaced by human action has grown considerably in the last decades. Available data suggest that the present HGF is roughly 50,000 km2 a-1 of new anthropogeoforms and 300 x109 t a-1 of solid materials transferred from one part of the earth's surface to another. The latter represents a 'technological denudation' that could be 1-2 orders of magnitude greater than denudation by natural agents or sediment transport by the world's rivers. This implies a profound modification of geomorphic processes that produces a series of often disregarded environmental consequences. Some of those can by directly linked to excavation/accumulation activities and are essentially local, but in other cases the possible relationship appears to be more indirect and could have a widespread character. The transformation of land surface by human action is shown not only by landform construction and transfer of geologic materials, but also by land-use change in general and modification of the characteristics of the surface layer. This seems to affect both the hydrologic response and the sensitivity of that surface layer to different geomorphic agents. The magnitude of the above mentioned modification is logically related to the intensity of human activities, themselves related to the number of people on the planet and their economic and technological capabilities, which grow practically in all regions of the planet. It is thus reasonable to expect that the HGF and its effects should grow with time. If this were so, we should expect to find evidences of a general acceleration of geomorphic processes in the world that could represent a 'global geomorphic change'. The final expression of geomorphic processes, which could be used to test that hypothesis, is sediment generation and deposition. Data are presented on sedimentation rates in different areas showing that in most of them sedimentation has increased significantly during the last century (by about one order of magnitude in most cases) and that such increase does not seem to be related to climate but rather to human activity. If a global geomorphic change is indeed taking place, an increase in the frequency/intensity of related hazards, such as landslides or floods, should be expected. Data are presented indicating that it could be so. If what the data presented suggest is confirmed by further and deeper analyses, existing hazard and risk assessments for those processes should be reconsidered, because they would likely represent underestimates. The CAMGEO Team is formed by the following persons: Antonio Cendrero1, Gonzalo Méndez2, Jaime Bonachea1, José Gómez-Arozamena1, José Luis Cavallotto5, José Manuel Naredo3, Juan Remondo1, Lazaro V. Zuquette6, Luis Salas1, Luis M. Forte4, Marcilene Dantas-Ferreira6, Maria Angélica de O. Bezerra7, Mario da Silva, Martín A. Hurtado4, Osni J. Pejon6, Victoria Rivas1, Viola M. Bruschi1. 1) Universidad de Cantabria, Spain; 2) Universidad de Vigo, Spain; 3) Universidad Politécnica de Madrid, Spain; 4) Universidad Nacional de La Plata, Argentina; 5) Servicio de Hidrografía Naval, Argentina; 6) Universidade de Sao Paulo, Sao Carlos, Brazil; 7) Universidade Federal de Mato Grosso do Sul, Brazil.

Remondo, Juan

2010-05-01

201

Booklets for children related with Earth Sciences published in Mexico  

NASA Astrophysics Data System (ADS)

The Centro de Geociencias, at the Universidad Nacional Autonoma de Mexico, has published a series of booklets for children, entitled "Simple experiments to understand a complex Earth". It is part of the activities of the Mexican committee of the International Year of the Planet Earth. Each booklet contains experiments related with an Earth Sciences topic and includes the procedure to do one of the "Ten most beautiful experiments in physics" (Crease, P., Physics World May 2002 p17 and September 2002 pp19-20). In Mexico, as in other developing countries, there is very little information about Science in general and Earth Sciences in particular, in the basic education programs. Also, there is poor bibliography in Spanish about science experiments. For this reason, we try to fill the vacuum by distributing free the booklets in Science Museums and rural basic schools in paper, and by Internet in the Centro de Geociencias web site (http://www.geociencias.unam.mx/geociencias/difusion/indice.html). At present, we have been distributed 100,000 copies of 5 issues: 1."Atmospheric pressure and the falling bodies", it deals with the Galileo experiment of falling bodies, he proposed that all the bodies fall down at the same velocity. We discuss the properties of the atmosphere air (temperature, pressure and volume) and concluded that Galileo is right but when the bodies are very light. 2. "The light and the colors" is based in the Newton's decomposition of sunlight with a prism experiment. This booklet contains nine experiments to explain the colors that we find in Earth like the blue of the sky, the orange of the sunset, the rainbow and the mirage. 3. "¿Eureka! oceans and continents float". This booklet presents seven experiments related with density and buoyancy to explain the principles of the Plate tectonics theory. 4. "Climate hanging by a thread", Foucault pendulum demonstrates the rotation of Earth without seeing the stars, in this booklet, we explain, through 9 experiments, how the Earth's rotation influences climate. 5. "The Earth and its waves". This booklet presents seven experiments to explain how the knowledge of the wave behavior help us to understand phenomena like tsunamis, earthquakes, colors and telecommunications, etc. All the booklets are in Spanish, printing was sponsored by the Academia Mexicana de Ciencias, the Universidad Nacional Autonoma de Mexico among other institutions. We will bring to the EGU General Assembly some booklets to see if any institution is interested in publishing and distribute them in another language.

Alaniz, S. A.; Nieto-Samaniego, A. F.

2009-04-01

202

Astroclimate at San Pedro Mártir - I. Seeing statistics between 2004 and 2008 from the Thirty Meter Telescope site-testing data  

NASA Astrophysics Data System (ADS)

We present comprehensive seeing statistics for the San Pedro Mártir site derived from the Thirty Meter Telescope site-selection data. The observations were obtained between 2004 and 2008 with a Differential Image Motion Monitor (DIMM) and a Multi-Aperture Scintillation Sensor (MASS) combined instrument (MASS-DIMM). The parameters that are statistically analysed here are the whole atmosphere seeing (measured by the DIMM), the free atmosphere seeing (measured by the MASS) and the ground-layer (GL) seeing, which is the difference between the total seeing and the free atmosphere seeing. We have made a careful data coverage study, along with statistical distributions of simultaneous MASS-DIMM seeing measurements, in order to investigate the nightly, monthly, seasonal, annual and global behaviour, as well as possible hourly seeing trends. Although this campaign covers five years, the sampling is uneven, with 2006 and 2007 being the best sampled years in terms of seasonal coverage. The overall results yield a median seeing of 0.78 arcsec (DIMM), 0.37 arcsec (MASS) and 0.59 arcsec (GL). Therefore, the strongest contribution to the whole atmosphere seeing comes from a strong ground layer. We find that the best season is summer, while the worst season is winter, in accordance with previous studies. It is worth noting that the best yearly results are correlated with the best sampled years. The hourly analysis shows that there is no statistically significant tendency for seeing degradation towards dawn. The seeing values are slightly larger than those reported previously, which might be the result of climate changes. Based on observations obtained at the Observatorio Astronómico Nacional at San Pedro Mártir, Baja California, México, operated by the Instituto de Astronomía, Universidad Nacional Autónoma de México.

Sánchez, L. J.; Cruz-González, I.; Echevarría, J.; Ruelas-Mayorga, A.; García, A. M.; Avila, R.; Carrasco, E.; Carramiñana, A.; Nigoche-Netro, A.

2012-10-01

203

Optical, electrical and structural characterization of CuInSe2 thin films  

NASA Astrophysics Data System (ADS)

The present issue of physica status solidi (b) comprises papers presented at the XVII Latin American Symposium on Solid State Physics (SLAFES 2004) in Havana, Cuba, 6-9 December 2004. Further papers from this conference are published in phys. stat. sol. (c) 2, No. 10 (2005).The cover picture refers to the article [1] on polycrystalline CuInSe2 films by Clara Calderón et al. and shows the crystal structure of CuInSe2 (right) and that of the In-rich phase CuIn3Se5 (left) which were used for the simulation and analysis of the X-ray diffraction spectra.Clara Lilia Calderón Triana is teacher at the Solar Cells Laboratory of Universidad Nacional de Colombia in Bogotá where she has been working on solar cells and semiconductor materials since 1995. In particular, she is fabricating thin film solar cells based on CuInSe2 and Cu(In,Ga)Se2. At SLAFES 2004, Clara Calderón received the physica status solidi Young Researcher Award for her second presentation entitled Study of electrical transport properties of ZnO thin films used as front contact of solar cells [2] which is published as Editor's Choice of this issue.

Calderón, C.; Gordillo, G.; Romero, E.; Bolaños, W.; Bartolo-Pérez, P.

2005-07-01

204

Hobby-Eberly Telescope low-resolution spectrograph: mechanical design  

NASA Astrophysics Data System (ADS)

The Hobby-Eberly Telescope (HET) is a revolutionary large telescope of 9.2 meter aperture, located in West Texas at McDonald Observatory. The Low Resolution Spectrograph [LRS, an international collaboration between the University of Texas at Austin (UT), the Instituto de Astronomia de la Universidad Nacional Autonoma de Mexico (IAUNAM), Stanford University, Ludwig-Maximillians-Universitat, Munich (USM), and Georg- August-Universitat, Gottingen (USG)] is a high throughput, imaging grism spectrograph which rides on the HET tracker at prime focus. The remote location and tight space and weight constraints make the LRS a challenging instrument, built on a limited budget. The mechanical design and fabrication were done in Germany, and the camera and CCD system in Texas. The LRS is a grism spectrograph with three modes of operation: imaging, longslit, and multi-object. Here we present a detailed description of the mechanical design of the LRS. Fabrication, assembly and testing of the LRS will be completed by mid 1998. First light for the LRS on the HET is expected in the summer of 1998.

Hill, Gary J.; Nicklas, Harald E.; MacQueen, Phillip J.; Mitsch, Wolfgang; Wellem, Walter; Altmann, Werner; Wesley, Gordon L.; Ray, Frank B.

1998-07-01

205

[Experiences in the training of health human resources for the integral care of the victims of violence in a suburban area of Lima, Peru].  

PubMed

In the year 2003, in the Faculty of Medicine of the Universidad Nacional Mayor de San Marcos, the Permanent Program of Training for the Integral Attention of the Victims of Violence was created, has been training human resources for the comprehensive health care to victims of violence. In this sense, we was considered necessary to develop a methodology for health professionals, identifying their training needs and the conditions under how they work. It is in this context, that the year 2004, a base line study was delineated in the Microrred de Salud Huaycán, in the east of Lima city; that included diverse stages with a multisectorial approach with the aim to identify the training needs of the health professionals, as well as the evaluation of the logistic and administrative support for the development of training activities to diverse levels. In this paper, the procedures and principal results are exposed, in a succinct way. There was demonstrated that the population of Huaycán were affected by the sequels of the political violence; nevertheless, the health services have severe limited resources to give appropriate health care to victims of violence. The health professionals require an intensive training on this issue. An adequate logistic and administrative conditions allowed to carry out an appropriate training program. We suggest that this methodology will facilitate to construct products and instruments for a suitable and specific training for the integral health care to the victims of the violence. PMID:21308206

Garmendia, Fausto; Perales, Alberto; Miranda, Eva; Mendoza, Pedro; Calderón, Walter; Miano, Jorge

206

Relationships between the Goodenough-Harris Draw-a-Person Test and a body-image test in Costa Rican children.  

PubMed

Although researchers have used drawings of the human figure to evaluate body-image in adults and children, test measures of the concepts involved have not been precisely constructed, so the purpose of this study was to estimate the body-image concept relations measured on the Goodenough-Harris Draw-a-Person Test and on the Prueba para Diagnóstico de Imagen Corporal--Universidad Nacional for 90 kindergarten, first and second graders. Factor analyses (sex by grade, 2 x 3; and sex by age, 2 x 7) showed that sex was not a significant factor on either measure, but grade and age were. A Pearson correlation for the total scores on both tests was a moderate, significant value of .45. Correlations of the total with subtest scores varied from .30 to .50. Values were strongest for first grade children from 6 to 6 1/2 yr. of age (.59 to .78), at the beginning of the developmental period in which children gradually gain an awareness of the parts of the body, their functions and left-right concepts. PMID:2762077

Woodburn, S S; Fernández, H; Boschini, C

1989-06-01

207

The R/V EL PUMA and JUSTO SIERRA impact on the development of oceanography in Mexico  

NASA Astrophysics Data System (ADS)

The acquisition of the two research vessels (R/V EL PUMA AND R/V JUSTO SIERRA) of the Universidad Nacional Autónoma de México represented a milestone for the development of oceanography and capacity building in Mexico. These boats were designed to conduct multi and interdisciplinary research in the Economic Exclusive Zone of Mexico in the main areas of oceanography (Physics, Geology, Chemistry and Biology). Its use, by different institutions, resulted in a substantial advancement of the knowledge of Marine ecosystems of Mexico. About 460 oceanographic campaigns, with more than 8700 participants, have been conducted since the boats arrived. These covered a wide array of topics of the marine ecosystem from the inner shelf to deep sea. Extensive research was done on current patterns, primary productivity and pollution monitoring of the Mexican Pacific, Sea of Cortez, Gulf of Mexico and Caribbean sea. Marine biodiversity studies were also carried which discovered more than 180 new species in Mexican seas. Ecological characterization and paleo-oceanographic research from continental shelf to deep sea also registered a substantial advance. The vessels are now renewed with hi-tech equipment for sea bottom, water column and navigation that increased their research capacity, representing again a new milestone in the history of oceanography in Mexico. This improved capacity is very promising and opens new and sound opportunities for carrying modern oceanographic in order to improve knowledge of the Mexican Economic Exclusive Zone.

Gracia, A.

2007-05-01

208

Technology for communicational development and learning in psychomotor disability  

NASA Astrophysics Data System (ADS)

The applied investigation and experimental development project described in this paper has been carried out by Grupo Ingeniería Clínica of the Universidad Tecnológica Nacional together with two Special Education Schools dependent on the Ministry of Education of Córdoba Province. Its aim is the development of computer access assistive tools for students with mobility limitations, and with or without intellectual problems that need adaptations to access to a computer in order to learn, communicate, work, etc. On the other hand, it demonstrates the benefits that the use of a computer gives to these students. The evaluation of their performance was made trough Dr. Marianne Frostig's Developmental Test of Visual Perception and reading and writing graphic tests, comparing the results of the tests made on paper with those made on computer. Thus, an interdisciplinary team was formed by Engineering, Psychology and Special Education professionals, and 40 students were evaluated. The design of the mouse and keyboard had some adaptations. At present, the rating test stage is being achieved, and the preliminary results allow us to anticipate that pupils with psychomotor disabilities may manifest their perceptual ripeness and reach education in a more efficient way through the use of informatics tools according to their needs and possibilities.

Trento, I.; Santucci, M.; Tula, S.; González, E.

2007-11-01

209

[Impact of problem-based learning on the cognitive processes of medical students].  

PubMed

The problem based learning (PBL) method was conceived as a teaching strategy to be applied in different areas or disciplines, thus several universities adopted it, among which was the Universidad Nacional Autónoma de México, best known as UNAM. The Faculty of Medicine of UNAM implemented this innovative teaching method of medicine for its learner-centered educational method tendency (patient-centered practice). This method develops also several abilities in the students, such as active and significant learning, seeking and data selection and autoanalysis and synthesis, knowledge integration of, mind's logic for the detection and solution of problems, among others. The aim was to evaluate the PBL impact on pedagogical and cognitive processes through the students' critical thinking and the significance of the experience on students and teachers which were working with PBL; in addition, study strategies and self-regulation in students were considered variables for the study. Our findings indicated that PBL was perceived differently among students and teachers, and it influenced in a positive and significant way the students' perception to solve problems and their motivation to achieve a good academic performance (p < 0.005). These results suggest that PBL is a useful strategy in the teaching and learning process and it is clear that the pedagogical process and other variables can potentially influence the results obtained. PMID:22089668

Urrutia Aguilar, María Esther; Hamui-Sutton, Alicia; Castañeda Figueiras, Sandra; Fortoul van der Goes, Teresa Imelda; Guevara-Guzmán, Rosalinda

210

Paleomagnetic behavior of volcanic rocks from Isla Socorro, Mexico  

NASA Astrophysics Data System (ADS)

The direction and magnitude of the geomagnetic field vary both spatially and temporally and undergo significant departures from that of a geocentric axial dipole. In order to properly characterize persistent behaviors, time-averaged field models must be based on the highest quality data. Here we present full-vector paleomagnetic data for volcanic units exposed in the southeast quadrant of the island of Socorro, Mexico. We carried out a joint expedition between the Scripps Institution of Oceanography and the Universidad Nacional Autónoma México to Isla Socorro in January of 2005 during which we collected oriented paleomagnetic samples from 21 sites, representing as many as 10 different volcanic units (the oldest of which is ˜540 ka). We subjected over 100 specimens to the most up-to-date paleointensity methods, and included the standard reliability checks. In an earlier study, Bohrson et al. (1996) proposed a series of widespread eruptive events, based on similarities of argon/argon dates. Paleointensity from specimens that conform to the strictest acceptance criteria are available from both the (unoriented) original sample collection and our fully oriented (but as yet undated) new collection. Correlation between the two collections is however problematic. The time-averaged direction from Socorro is consistent with that expected from a geocentric axial dipole, and the time-averaged intensity is 30.0±7.1 ?T, equivalent to a virtual axial dipole moment (VADM) of 67.6±16.0 ZAm2.

Sbarbori, E.; Tauxe, L.; Goguitchaichvili, A.; Urrutia-Fucugauchi, J.; Bohrson, W. A.

2009-01-01

211

Intraspecific variation in body size and shape in an andean highland anole species, Anolis ventrimaculatus (Squamata: Dactyloidae).  

PubMed

Variation in body characteristics related to lizard locomotion has been poorly studied at the intraspecific level in Anolis species. Local adaptation due to habitat heterogeneity has been reported in some island species. However, studies of mainland species are particularly scarce and suggest different patterns: high variability among highland lizards and poorly differentiated populations in one Amazonian species. We characterized inter population variation of body size and shape in the highland Andean Anolis ventrimaculatus, an endemic species from Western Colombia. A total of 15 morphometric variables were measured in specimens from the reptile collection of the Instituto de Ciencias Naturales, Universidad Nacional, Colombia. The study included individuals from seven different highland localities. We found size and shape sexual dimorphism, both of which varied among localities. Patterns of variation in body proportions among populations were different in both males and females, suggesting that either sexual or natural selective factors are different in each locality and between sexes. Since this species exhibits a fragmented distribution in highlands, genetic divergence may also be a causal factor of the observed variation. Ecological, behavioral, additional morphological as well as phylogenetic data, may help to understand the evolutionary processes behind the geographic patterns found in this species. PMID:23894978

Calderón-Espinosa, Martha L; Ortega-León, Angela M; Zamora-Abrego, Joan G

2013-03-01

212

High Spatial Velocity Features in the Orion Nebula,  

NASA Astrophysics Data System (ADS)

We have used widely spaced in time Hubble Space Telescope images to determine tangential velocities of features associated with outflows from young stars. These observations were supplemented by ground-based telescope spectroscopy, and from the resultant radial velocities, space velocities were determined for many outflows. Numerous new moving features were found and grouped into known and newly assigned Herbig-Haro objects. It was found that stellar outflow is highly discontinuous, as frequently is the case, with long-term gaps of a few hundred years, and that these outflow periods are marked by staccato bursts over periods of about ten years. Although this has been observed in other regions, the Orion Nebula Cluster presents the richest display of this property. Most of the large-scale Herbig-Haro objects in the brightest part of the Orion Nebula appear to originate from a small region northeast of the strong Orion-S radio and infrared sources. With the possible exception of HH 203, we are not able to identify specific stellar sources, but do identify candidate sources for several other bright Herbig-Haro objects. We find that there are optical features in the BN-KL region that can be related to the known large-scale outflow that originates there. We find additional evidence for this outflow originating 500-1000 years ago. Based on observations at the San Pedro Martir Observatory operated by the Universidad Nacional Autónoma de México.

O'Dell, C. R.; Henney, W. J.

2008-10-01

213

Solar Activity, Ultraviolet Radiation and Consequences in Birds in Mexico City, 2001- 2002  

NASA Astrophysics Data System (ADS)

Anomalous behavior in commercial and pet birds in Mexico City was reported during 2002 by veterinarians at the Universidad Nacional Autonoma de Mexico. This was attributed to variations in the surrounding luminosity. The solar components, direct, diffuse, global, ultraviolet band A and B, as well as some meteorological parameters, temperature, relative humidity, and precipitation, were then analyzed at the Solar Radiation Laboratory. Although the total annual radiance of the previously mentioned radiation components did not show important changes, ultraviolet Band-B solar radiation did vary significantly. During 2001 the total annual irradiance , 61.05 Hjcm² to 58.32 Hjcm², was 1.6 standard deviations lower than one year later, in 2002 and increased above the mean total annual irradiance, to 65.75 Hjcm², 2.04 standard deviations, giving a total of 3.73 standard deviations for 2001-2002. Since these differences did not show up clearly in the other solar radiation components, daily extra-atmosphere irradiance was analyzed and used to calculate the total annual extra-atmosphere irradiance, which showed a descent for 2001. Our conclusions imply that Ultraviolet Band-B solar radiation is representative of solar activity and has an important impact on commercial activity related with birds.

Valdes, M.; Velasco, V.

2008-12-01

214

Speckle Results from the Cesco Observatory  

NASA Astrophysics Data System (ADS)

The Yale-San Juan speckle interferometry program, a collaboration primarily between Yale Southern Observatory and the Universidad Nacional de San Juan (Argentina) was active between 1994 and 1996, using two telescopes at the El Leoncito, Argentina, site. Over the two and a half year period, more than 2000 observations of binary stars were made. The purpose of these observations was to obtain fundamental position angle and separation measurements for a large number of Southern Hemisphere visual and speckle binaries. From such measures mass information may ultimately be derived. Some measures, including all those taken at the Complejo Astronomico El Leoncito 2.15-m Telescope have already appeared in the literature (e.g. Horch et al. 2001, AJ, 121, 1597), but most of the observations were taken at the 76-cm telescope at the Carlos U. Cesco Observatory. We present the status of the analysis of these data, information regarding measurement precision at the 76-cm telescope, observational statistics such as number of stars analyzed and a histogram of the seeing measures, and some sample results. We gratefully acknowledge NSF support of the Yale Southern Observatory and support from the Chester F. Carlson Center for Imaging Science at RIT.

Dank, J. A.; Horch, E. P.; van Altena, W. F.; Girard, T. M.; Meyer, R. D.; Franz, O. G.; Lopez, C. E.; Timothy, J. G.

2002-05-01

215

A High Altitude Mexican ACT Project, OMEGA  

NASA Astrophysics Data System (ADS)

Two of the former HEGRA atmospheric Cherenkov telescopes are being refurbished at the Universidad Nacional Autónoma de México (UNAM) with the purpose of being installed as the Observatorio MExicano de GAmmas (OMEGA, Mexican Observatory of Gammas). Mexico has developed infrastructure around two astrophysical facilities with excellent atmospheric conditions, San Pedro Martir at 2800 m a. s. 1. and Sierra Negra at 4600 m a.s. 1. The Sierra Negra site has been chosen over San Pedro Martir to host OMEGA in order to test the performance, sensitivity and energy threshold of atmospheric Cherenkov telescopes at high altitude. OMEGA will also be located adjacent to the HAWC TeV gamma-ray observatory in order to cross calibrate HAWC events and to follow up HAWC candidate sources. The primary scientific objective of OMEGA is to monitor TeV blazars, and OMEGA will work in synergy with the Sierra Negra consortium of observatories to perform broad band multi-wavelength observations. We will present the OMEGA project in detail and its status.

Sacahui, J. R.; Huidobro, F.; Núñez, R.; Alfaro, R.; Belmont-Moreno, E.; Blanch, O.; Carramiñana, A.; Dingus, B. L.; González, M. M.; Grabski, V.; Menchaca-Rocha, A.; Sandoval, A.; Schneider, M.; Tovmassian, G.

2008-12-01

216

The first vineyard concert hall in North America  

NASA Astrophysics Data System (ADS)

The first vineyard or surround concert hall designed and built in the Western Hemisphere is the Sala Nezahualcoyotl in Mexico City. The Hall was completed in 1976 and is part of the Cultural Center at the Universidad Nacional Autonoma de Mexico. The hall was named after a Toltec poet, architect, and musician who lived in the 15th century and was the Renaissance man of his day. In order to provide the familiar traditional sound of the rectangular (shoebox) European Hall, the acoustic designers set the criteria for reverberation times through the frequency spectrum and the Initial Time Delay Gap at every seat in the house to match the measurements taken at the Grosser Musik vereinssaal in Vienna and Boston Symphony Hall. In this paper we discuss the techniques used to create the traditional sound in a vineyard hall and the reaction of musicians and audiences to the completed facility. The Sala was the model for Suntory Hall in Japan which in turn spawned a number of vineyard halls in Japan. Most recently, the vineyard style seems to be appealing to more and more symphonic organizations in Europe and North America.

Jaffe, Christopher; Rivera, Carlos

2002-11-01

217

Solar absorption Fourier Transform Infrared spectroscopy applied to detect SO2 plumes above Mexico City  

NASA Astrophysics Data System (ADS)

There are sources of emissions of sulfur dioxide (SO2) that disperse to the Metropolitan Area of Mexico City (MCMA). The sources can be divided into three categories: a) The active Popocatepetl volcano located 70 km SE from the center of Mexico City, b) the industrial area located approximately 70 km to the and c) other local sources located in the surroundings from the measurement.. Solar absorption infrared spectra are being recorded since 2007 above the campus of the Universidad Nacional Autónoma de México (UNAM, 19.33 N, 99.18 W, 2260 m.a.s.l.). The column of SO2 was retrieved from all the spectra recorded in 2008 with the retrieval code SFIT2. Enhancement of the SO2 column could be identified in different time periods. The origin of the detected SO2 is determined by correlating the SO2 column with a) its surface concentration measured in the surroundings by the monitoring stations from the city’s monitoring network of (RAMA), b) the height of the mixing layer measured at UNAM, and c) meteorological wind data (REDMET, NCEP-NARR, and SMN). The result shows that the extraordinary events are correlated with the mentioned sources, and the analysis confirms prior studies that the plume travels at different altitudes. The plume of the Popocatepetl volcano is transported according to the wind at 5000 m.a.s.l. while emissions from the industrial area northwest of the MCMA are dispersed at lower altitudes within the mixing layer.

Aldana-Vazquez, A.; Stremme, W.; Grutter, M.

2010-12-01

218

Heritage and Observatories in Brazil at the Turn of the Twentieth Century: an Overview  

NASA Astrophysics Data System (ADS)

The first systematic asronomical observations in the southern hemisphere were in Pernambuco, northeastern Brazil, in the short period of Dutch rule in the region (1637-1644). Later, in the late nineteenth and early twentieth centuries, there were three observatories on Brazilian soil: Imperial Observatório do Rio de Janeiro, Observatório da Escola Politecnica, both in Rio de Janeiro and Observatório Central, in the southern city of Porto Alegre. The first was created by Imperial decree by D. Pedro I, on 15 October 1827, while the second, linked to Universidade do Brasil, was established on 5 July 1881. The third was planned in 1889, but only inaugurated on 24 January 1908 as part of the Escola de Engenharia. All three institutions exist to this day, and their scientific instruments of historical value are included in cultural heritage preservation projects. The largest collection of this kind of objects is at Museu de Astronomia e Ciéncias Afins (MAST), most of whose 2000 artefacts come from the Imperial Observatory (today the National Observatory). Many of them were produced in Germany by manufacturers such as Gustav Heyde, Carl Zeiss, Askania-Werke, Carl Bamberg and Max Kohl. The buildings of the Observatório Central (1921) and Observatório Nacional (1921) are listed by federal and state heritage protection agencies, particularly because they were purpose built for astronomical research and have architectural features typical of the late nineteenth and early twentieth centuries that have not been altered over the years.

Granato, Marcus

219

PREFACE: The XI Mexican School on Particles and Fields  

NASA Astrophysics Data System (ADS)

The XI Mexican School on Particles and Fields took place on 2-13 August 2004, in the city of Xalapa, Veracruz, México. The School continued with the tradition of promoting High Energy Physics among the younger generation in Mexico. Thus, it was aimed specifically at graduate students and postdocs. The School consisted of several courses delivered by international experts on subjects of current interest to the scientific community. The length of each course was of six to eight hours, English being the language of instruction. A novelty in this edition of the School was its total duration (two weeks as opposed to one), the number of hours assigned to one subject, and the addition of some experimental courses for the students to overcome their inhibitions of a direct encounter with the equipment and its usage. There were also a few overview talks delivered by local experts on the current status of some of the research fields actively pursued in Mexico. The XI-MSPF was organized by the Particles and Fields Division of the Mexican Physical Society. It was generously sponsored by several institutions: Universidad de Veracruz, Universidad Nacional Autónoma de México, Universidad Michoacana de San Nicolás de Hidalgo, Centro de Investigaciones y Estudios Avanzados del IPN (CINVESTAV) and Consejo Nacional de Ciencia y Tecnología (CONACyT). We are very grateful to Dr Raúl Arias Lovillo, Dr Víctor Manuel Alcaráz Romero, Dr Asdrúbal Flóres López and Mtro Walter Saiz González, head of the Academic Secretariat, Director and Subdirector of the Office of Scientific Research and Director of the Division of Exact Sciences of the University of Veracruz, respectively, for their invaluable support in all senses to our Summer School. We also appreciate the important and useful assistance provided by Dr Rubén Bernardo Morante López, Director of the Museum of Anthropology of Xalapa, and Dr Héctor Coronel Brizio of the Secretariat of Education and Culture of the state of Veracruz. We acknowledge the help of our colleagues in the Organizing Committee: Norma Bagatella Flores (FFIA-U. Veracruzana), Heriberto Castilla Valdés (CINVESTAV-U. Zacatenco), Lorenzo Díz Cruz (FCFM-BUAP), Juan José Godina Nava (CINVESTAV-U. Zacatenco), Gerardo Herrera Corral (CINVESTAV-U. Zacatenco), German Mandujano Vallejo (FFIA-U. Veracruzana), Miguel Ángel Pérez Angón (CINVESTAV-U. Zacatenco), Efraín Rojas Marcial (FFIA-U. Veracruzana) and Carlos Vargas Madrazo (FFIA-U Veracruzana). Many thanks also to our Conference Secretaries Patricia Carranza and Soledad López for the efficiency with which they carried out their job and their dedication. Special thanks go to María Guadalupe Colorado Hernández and Javier Ignacio Fragoso Tizapan, whose help in carrying out the School was essential, without their collaboration this School would not have been the same. We take this opportunity to thank most warmly all the speakers for delivering excellent lectures which made this event a success. Moreover, to our utmost delight, the students participated very enthusiastically and we hope that this school will contribute considerably towards their academic development. The future of scientific endeavour always depends upon the students. Adnan Bashir (IFM-UMSNH) Jens Erler (IF-UNAM) Rául Hernández (FFIA-UV) Myriam Mondragón (IF-UNAM) Luis Villaseñor (IFM-UMSNH)

2005-01-01

220

PREFACE: Collapse Calderas Workshop  

NASA Astrophysics Data System (ADS)

Caldera-formation is one of the most awe-inspiring and powerful displays of nature's force. Resultant deposits may cover vast areas and significantly alter the immediate topography. Post-collapse activity may include resurgence, unrest, intra-caldera volcanism and potentially the start of a new magmatic cycle, perhaps eventually leading to renewed collapse. Since volcanoes and their eruptions are the surface manifestation of magmatic processes, calderas provide key insights into the generation and evolution of large-volume silicic magma bodies in the Earth's crust. Despite their potentially ferocious nature, calderas play a crucial role in modern society's life. Collapse calderas host essential economic deposits and supply power for many via the exploitation of geothermal reservoirs, and thus receive considerable scientific, economic and industrial attention. Calderas also attract millions of visitors world-wide with their spectacular scenic displays. To build on the outcomes of the 2005 calderas workshop in Tenerife (Spain) and to assess the most recent advances on caldera research, a follow-up meeting was proposed to be held in Mexico in 2008. This abstract volume presents contributions to the 2nd Calderas Workshop held at Hotel Misión La Muralla, Querétaro, Mexico, 19-25 October 2008. The title of the workshop `Reconstructing the evolution of collapse calderas: Magma storage, mobilisation and eruption' set the theme for five days of presentations and discussions, both at the venue as well as during visits to the surrounding calderas of Amealco, Amazcala and Huichapan. The multi-disciplinary workshop was attended by more than 40 scientist from North, Central and South America, Europe, Australia and Asia. Contributions covered five thematic topics: geology, geochemistry/petrology, structural analysis/modelling, geophysics, and hazards. The workshop was generously supported by the International Association of Volcanology and the Chemistry of The Earth's Interior (IAVCEI), the International Union of Geodesy and Geophysics (IUGG), the Universidad Nacional Autónoma de México (UNAM) through the Coordinación de la Investigación Científica, the Institute of Physics Publishing services, the Consejo Nacional de Ciencia y Tecnología de Querétaro (CONCYTEQ). The workshop represented the key activity of the IAVCEI Commission on Collapse Calderas in 2008. We, the workshop organizers, would like to express our gratitude to all workshop participants, the staff of Misión La Muralla, the Centro de Geociencias of UNAM for administrative and logistic support, to Adelina Geyer for web support, to María Inés Rojano for organization of logistics, the Universidad Autónoma de San Luis Potosí for logistics support, the Comisiòn Nacional de Electricidad for authorizing a visit to Los Azufres geothermal field, and to all sponsors that provided financial support. We expect these proceedings to stimulate further fruitful discussions, which we hope will be continued at a future meeting. Jo Gottsmann and Gerardo Aguirre-Diaz October 2008

Gottsmann, Jo; Aguirre-Diaz, Gerardo

2008-10-01

221

Un Acercamiento al Concepto de la Transferencia de Tecnología en las Universidades y sus Diferentes Manifestaciones1 An Approach to the Concept of Technology Transfer in Universities and their Different Manifestations  

Microsoft Academic Search

Palabras clave: Transferencia tecnológica, modelos de transferencia tecnológica, innovación. ABSTRACT. Historically, Society has formally given universities and research centers the almost exclusive mission of knowledge production; however, nowadays the trend is to expand this mission in order to meet the demands of the economically productive sectors and the society in general. This broadening of the purpose has, in turn, demanded

María del Socorro; Juan Carlos

222

ANO 01 - NÚMERO 01 Revista do Colegiado de Pós-Graduação Lato Sensu em Letras Universidade Estadual de Feira de Santana - UEFS Departamento de Letras e Artes - DLA LÍNGUA, HISTÓRIA E ENSINO NO GINGADO DA CAPOEIRA  

Microsoft Academic Search

In what refers to the linguistic influences suffered by the Brazilian Portuguese, when it was formed, it still permeates, in the collective imaginary of the Brazilian, the idea that the African inheritance is restricted to a handful of words that are present in the cookery or in the religious manifestations. Because for this common sense, most of the population doesn't

Jurgen Alves de Souza

223

Analise exergetica do sistema de refrigeracao do acelerador de particulas Pelletron-Linac da Universidade de Sao Paulo. (Exergetic analysis of refrigeration system of the Pelletron-Linac particle accelerator of the University of Sao Paulo).  

National Technical Information Service (NTIS)

The Pelletron-Linac accelerator of the University of Sao Paulo will use the existing electrostatic Pelletron accelerator as an injector for the linear superconducting accelerator (Linac), to increase the acceleration of the particles. The Linac uses a for...

O. B. Oliveira Filho J. F. Ordonez S. Oliveira Junior

1993-01-01

224

Universidad de Puerto Rico Facultad de Educación Recinto de Río Piedras Centro de Investigaciones Educativas Cuaderno de Investigación en la Educación Num. 17, mayo 2002 LAS EDUCADORAS Y SUS METAFORAS EDUCATIVAS: DOS INVESTIGADORES EN ACCION  

Microsoft Academic Search

This article discuss two research-in-action projects that collect and analyze the educational metaphors of two groups of teachers engaged in the reflection of their own educational visions and practices. Both studies were qualitative in nature and the author was a participant researcher. Audiotapes, field notes, minutes and the participants' written reflections, documented a diversity of original metaphors produced in conversation

Angeles Molina Iturrondo

225

Comportamiento del cáncer de vulva durante 16 años en el Instituto Nacional de Cancerología (Colombia) Behavior of Vulvar Cancer over a 16-year Period at the National Cancer Institute (Colombia)  

Microsoft Academic Search

Objective: To describe patient mortality among patients with vulvar cancer at the National Cancer Institute of Colombia (INC). Materials and Methods: Retrospective cohort study among vulvar cancer patients at the INC from 1990-2006. Survival estimated by Kaplan-Meyer; comparison with logarithmic trial rankings. Results: 303 patients were diagnosed with vulvar cancer, including. One hundred and ninety cases fulfilled inclusion criteria. Average

Mónica Medina; Ricardo Sánchez; Natascha Ortíz; Alexánder Rodríguez; Simón Oróstegui

226

Alcoholism and the Hispanic: A Mutual Concern = El Alcoholismo y Los Hispanos Una Preocupacion Nacional. Proceedings of the National Hispanic Conference on Alcoholism (San Antonio, Texas, September 7-10, 1981).  

ERIC Educational Resources Information Center

Written in Spanish and English, the proceedings include 6 papers and the recommendations presented at the conference on alcoholism and alcohol-related problems among Hispanics attended by approximately 400 participants, representing 29 states, Puerto Rico, and Mexico. "The Challenge of the 1980's: Action Through Unity" discusses the need for unity…

AVANTE International Systems Corp., San Antonio, TX.

227

Technical Assistance for Digital Broadcast Standards. Section 3.4, Development of Feasible Options and Preferred Alternatives. ANSP, Autoridad Nacional De Los Servicios Publicos Panama, Panama. Final Report (Revised).  

National Technical Information Service (NTIS)

Strategic Policy Research Inc. was selected to provide technical assistance to the telecommunications and broadcast regulator (ANSP) of the Republica de Panama in developing policies for managing the transition of broadcasting from the current analog syst...

2006-01-01

228

El Odio Se Cura: Un Programa Nacional para la Prevencion de los Crimenes de Odio para las Escuelas Intermedias (Healing the Hate: A National Crime Prevention Curriculum for Middle Schools).  

ERIC Educational Resources Information Center

|Designed for use in middle schools and youth organizations, this curriculum, in Spanish, deals with the extent of hate crime in the United States and presents strategies for reducing hate crimes among our youth. This flexible nine-unit curriculum is based on the principles that violence and prejudice are learned and therefore preventable, and…

McLaughlin, Karen A.; Brilliant, Kelly J.

229

The Bulgeless Seyfert/LINER Galaxy NGC 3367: Disk, Bar, Lopsidedness, and Environment  

NASA Astrophysics Data System (ADS)

NGC 3367 is a nearby isolated active galaxy that shows a radio jet, a strong bar, and evidence of lopsidedness. We present a quantitative analysis of the stellar and gaseous structure of the galaxy disk and search for evidence of recent interaction. Our study is based on new UBVRI H? and JHK images and on archive H? Fabry-Perot and H I Very Large Array data. From a coupled one-dimensional/two-dimensional GALFIT bulge/bar/disk decomposition a (B/D ~ 0.07-0.1) exponential pseudobulge is inferred in all the observed bands. A near-infrared (NIR) estimate of the bar strength Q max T (R) = 0.44 places NGC 3367 bar among the strongest ones. The asymmetry properties were studied using (1) the optical and NIR concentration-asymmetry-clumpiness indices, (2) the stellar (NIR) and gaseous (H?, H I) A 1 Fourier mode amplitudes, and (3) the H I-integrated profile and H I mean intensity distribution. While the average stellar component shows asymmetry values close to the average found in the local universe for isolated galaxies, the young stellar component and gas values are largely decoupled showing significantly larger A 1 mode amplitudes suggesting that the gas has been recently perturbed and placing NGC 3367 in a global starburst phase. NGC 3367 is devoid of H I gas in the central regions where a significant amount of molecular CO gas exists instead. Our search for (1) faint stellar structures in the outer regions (up to ? R ~ 26 mag arcsec-2), (2) (H?) star-forming satellite galaxies, and (3) regions with different colors (stellar populations) along the disk all failed. Such an absence is interpreted by using results from recent numerical simulations to constrain either a possible tidal event with an LMC like galaxy to some dynamical times in the past or a very low mass but perhaps gas rich recent encounter. We conclude that a cold flow accretion mode (gas and small/dark galaxies) may be responsible for the nuclear activity and peculiar (young stars and gas) morphology regardless of the highly isolated environment. Black hole growth in bulgeless galaxies may be triggered by smooth mass accretion. Based on data obtained at the 0.84 m, 1.5 m, and 2.1 m telescopes of the Observatorio Astronómico Nacional, San Pedro Mártir operated by the Instituto de Astronomía, Universidad Nacional Autónoma de México.

Hernández-Toledo, H. M.; Cano-Díaz, M.; Valenzuela, O.; Puerari, I.; García-Barreto, J. A.; Moreno-Díaz, E.; Bravo-Alfaro, H.

2011-12-01

230

Kn 26, a new quadrupolar planetary nebula  

NASA Astrophysics Data System (ADS)

Once classified as an emission line source, the planetary nebula (PN) nature of the source Kn 26 has only recently been recognized in digital sky surveys. To investigate the spectral properties and spatio-kinematical structure of Kn 26, we have obtained high spatial-resolution optical and near-IR narrow-band images, high-dispersion long-slit echelle spectra, and intermediate-resolution spectroscopic observations. The new data reveal an hourglass morphology typical of bipolar PNe. A detailed analysis of its morphology and kinematics discloses the presence of a second pair of bipolar lobes, making Kn 26 a new member of the subclass of quadrupolar PNe. The time lapse between the ejection of the two pairs of bipolar lobes is much shorter than their dynamical ages, implying a rapid change in the preferential direction of the central engine. The chemical composition of Kn 26 is particularly unusual among PNe, with a low N/O ratio (as for type II PNe) and a high helium abundance (as for type I PNe), although not atypical among symbiotic stars. Such an anomalous chemical composition may have resulted from the curtailment of the time in the asymptotic giant branch by the evolution of the progenitor star through a common envelope phase. Based on observations made with the Nordic Optical Telescope (NOT) and the William Herschel Telescope (WHT) on the island of La Palma in the Spanish Observatorio del Roque de los Muchachos of the Instituto de Astrofísica de Canarias (IAC), the 2.1-m telescope of the Observatorio Astronómico Nacional at the Sierra de San Pedro Mártir (OAN-SPM), and the 1.5-m telescope at the Observatorio de Sierra Nevada (OSN), Granada, Spain. NOT is operated jointly by Denmark, Finland, Iceland, Norway, and Sweden. WHT is operated by the Isaac Newton Group. The 2.1-m telescope at the OAN-SPM is a national facility operated by the Instituto de Astronomía of the Universidad Nacional Autónoma de México. The 1.5-m telescope at the OSN is operated by the Instituto de Astrofísica de Andalucía (IAA).The data presented here were obtained in part with ALFOSC, which is provided by the IAA under a joint agreement with the University of Copenhagen and NOTSA.FITS files for spectra and images are available in electronic form at the CDS via anonymous ftp to cdsarc.u-strasbg.fr(130.79.128.5) or via http://cdsarc.u-strasbg.fr/viz-bin/qcat?J/A+A/551/A53

Guerrero, M. A.; Miranda, L. F.; Ramos-Larios, G.; Vázquez, R.

2013-03-01

231

Volcanic Risk Perception in Five Communities Located near the Chichón Volcano, Northern Chiapas, Mexico  

NASA Astrophysics Data System (ADS)

The Chichón volcano (17° 19’ N and 93° 15’ W) is located in the state of Chiapas, Mexico. This volcano is classified by UNESCO as one of the ten most dangerous volcanos in the world. The eruptions of March and April in 1982 affected at least 51 communities located in the surroundings of the volcano and caused the death of about 2000 people. In this work we evaluate the risk perception in five communities highly populated: Juárez, Ostuacán, Pichucalco, Reforma and Sunuapa. We selected these communities because they have a high possibility to be affected by a volcanic eruption in the future. Our survey was carried out during February and March 2006. A total of 222 families were interviewed using a questionnaire to measure risk perception. These questionnaires retrieved general information as how long people had been living there and their reasons to do so; their experiences during the 1982 events, their opinion about the authorities participation and their perception of volcanic risk; the plans of the community for disaster prevention and mitigation. Some of the most important results are: (1). People perceive a very low volcanic risk and the 70% of interviewees believe that a new eruption in the future is almost improbable because it happened in 1982. This result is particularly interesting because, according to the state government, more than 100,000 inhabitants will be directly affected in case of a new similar eruption; (2). About 95% of the population do not know the current activity of the volcano and consider that the authorities do not inform properly to their communities; (3). The response of the authorities during the events of 1982 was ranked as deficient mainly because they were unable provide shelters, storage facilities, food as well as medicine and health care access; (4). Approximately 60% of the community will accept to be re-located again in case of a new eruption; (5). About 70% of the population will not accept to be re-located because they do not know any plan, strategy, emergency schemes or shelters locations no even evacuation routes. In conclusion, during the 1982 eruption the risk perception of the population played an important role in the social impact on the region. We believe that if the population had had a proper perception of their volcanic risk, the number of casualties would have been lower. Thus, the present low volcanic risk perception of the five studied communities can be considered as an important element of vulnerability. Frances Rodríguez-VanGort1 and David A. Novelo-Casanova2 (1) Posgrado Instituto de Geofísica, Universidad Nacional Autónoma de México, Ciudad Universitaria, México Distrito Federal (2) Departamento de Sismología Instituto de Geofísica, Universidad Nacional Autónoma de México, Ciudad Universitaria, México Distrito Federal

Rodriguez, F.; Novelo-Casanova, D. A.

2010-12-01

232

PREFACE: XXXV Symposium on Nuclear Physics  

NASA Astrophysics Data System (ADS)

Conference logo The XXXV Symposium on Nuclear Physics was held at Hotel Hacienda Cocoyoc, Morelos, Mexico from January 3-6 2012. Conceived in 1978 as a small meeting, over the years and thanks to the efforts of various organizing committees, the symposium has become a well known international conference on nuclear physics. To the best of our knowledge, the Mexican Symposium on Nuclear Physics represents the conference series with longest tradition in Latin America and one of the longest-running annual nuclear physics conferences in the world. The Symposium brings together leading scientists from all around the world, working in the fields of nuclear structure, nuclear reactions, physics with radioactive ion beams, hadronic physics, nuclear astrophysics, neutron physics and relativistic heavy-ion physics. Its main goal is to provide a relaxed environment where the exchange of ideas, discussion of new results and consolidation of scientific collaboration are encouraged. To celebrate the 35th edition of the symposium 53 colleagues attended from diverse countries including: Argentina, Australia, Canada, Japan, Saudi Arabia and USA. We were happy to have the active participation of Eli F Aguilera, Eduardo Andrade, Octavio Castaños, Alfonso Mondragón, Stuart Pittel and Andrés Sandoval who also participated in the first edition of the Symposium back in 1978. We were joined by old friends of Cocoyoc (Stuart Pittel, Osvaldo Civitarese, Piet Van Isacker, Jerry Draayer and Alfredo Galindo-Uribarri) as well as several first time visitors that we hope will come back to this scientific meeting in the forthcoming years. The scientific program consisted of 33 invited talks, proposed by the international advisory committee, which nicely covered the topics of the Symposium giving a balanced perspective between the experimental and the theoretical work that is currently underway in each line of research. Fifteen posters complemented the scientific sessions giving the opportunity for Mexican students to present their current research and interact with the visiting scientists. The present volume contains 21 research articles based on invited talks presented at the symposium. We cannot thank enough to all the authors for their enthusiastic contribution, to the anonymous referees for the time they devoted to the review process, which helped us to maintain the high standard of the Conference Proceedings. Finally we would like to thank the International Advisory Committee and the Sponsoring Organizations that made this event possible. E Padilla-Rodal and R Bijker Editors Conference photograph International Advisory Committee Osvaldo Civitarese, Universidad Nacional de La Plata, Argentina Jerry P Draayer, Louisiana State University, USA Alfredo Galindo-Uribarri, Oak Ridge National Laboratory, USA Paulo Gomes, Universidade Federal Fluminense, Brazil Piet Van Isacker, GANIL, France James J Kolata, University of Notre Dame, USA Reiner Krücken, TRIUMF, Canada Jorge López, The University of Texas at El Paso, USA Stuart Pittel, University of Delaware, USA W Michael Snow, Indiana University, USA Adam Szczepaniak, Indiana University, USA Michael Wiescher, University of Notre Dame, USA Organizing Committee Elizabeth Padilla-Rodal (Chair), Instituto de Ciencias Nucleares, UNAM, Mexico Roelof Bijker, Instituto de Ciencias Nucleares, UNAM, Mexico Sponsoring Organizations División de Física Nuclear, SMF Dirección General de Asuntos de Personal Académico, UNAM Centro Latino-Americano de Física Instituto de Ciencias Nucleares, UNAM Instituto de Física, UNAM Instituto Nacional de Investigaciones Nucleares

Padilla-Rodal, E.; Bijker, R.

2012-09-01

233

South American regional ionospheric maps computed by GESA: A pilot service in the framework of SIRGAS  

NASA Astrophysics Data System (ADS)

SIRGAS (Geocentric Reference Frame for the Americas) is an international enterprise of the geodetic community that aims to realize the Terrestrial Reference Frame in the America's countries. In order to fulfill this commitment, SIRGAS manages a network of continuously operational GNSS receivers totalling around one hundred sites in the Caribbean, Central, and South American region. Although the network was not planed for ionospheric studies, its potential to be used for such a purpose was recently recognized and SIRGAS started a pilot experiment devoted to establish a regular service for computing and releasing regional vertical TEC (vTEC) maps based on GNSS data. Since July, 2005, the GESA (Geodesia Espacial y Aeronomía) laboratory belonging to the Facultad de Ciencias Astronómicas y Geofísicas of the Universidad Nacional de La Plata computes hourly maps of vertical Total Electron Content (vTEC) in the framework of the SIRGAS pilot experiment. These maps exploit all the GNSS data available in the South American region and are computed with the LPIM (La Plata Ionospheric Model). LPIM implements a de-biasing procedure that improves data calibration in relation to other procedures commonly used for such purposes. After calibration, slant TEC measurements are converted to vertical and mapped using local-time and modip latitude. The use of modip latitude smoothed the spatial variability of vTEC, especially in the South American low latitude region and hence allows for a better vTEC interpolation. This contribution summarizes the results obtained by GESA in the framework of the SIRGAS pilot experiment.

Brunini, C.; Meza, A.; Gende, M.; Azpilicueta, F.

2008-08-01

234

Decadal changes and delayed avian species losses due to deforestation in the northern Neotropics  

PubMed Central

How avifauna respond to the long-term loss and fragmentation of tropical forests is a critical issue in biodiversity management. We use data from over 30 years to gain insights into such changes in the northernmost Neotropical rainforest in the Sierra de Los Tuxtlas of southern Veracruz, Mexico. This region has been extensively deforested over the past half-century. The Estación de Biología Tropical Los Tuxtlas, of the Universidad Nacional Autónoma de México (UNAM), protects a 640 ha tract of lowland forest. It became relatively isolated from other forested tracts between 1975 and 1985, but it retains a corridor of forest to more extensive forests at higher elevations on Volcán San Martín. Most deforestation in this area occurred during the 1970s and early 1980s. Forest birds were sampled on the station and surrounding areas using mist nets during eight non-breeding seasons from 1973 to 2004 (though in some seasons netting extended into the local breeding season for some species). Our data suggested extirpations or declines in 12 species of birds subject to capture in mist nets. Six of the eight species no longer present were captured in 1992–95, but not in 2003–2004. Presence/absence data from netting and observational data suggested that another four low-density species also disappeared since sampling began. This indicates a substantial time lag between the loss of habitat and the apparent extirpation of these species. Delayed species loss and the heterogeneous nature of the species affected will be important factors in tropical forest management and conservation.

Shaw, David W.; Escalante, Patricia; Rappole, John H.; Oehlenschlager, Richard J.

2013-01-01

235

Decadal changes and delayed avian species losses due to deforestation in the northern Neotropics.  

PubMed

How avifauna respond to the long-term loss and fragmentation of tropical forests is a critical issue in biodiversity management. We use data from over 30 years to gain insights into such changes in the northernmost Neotropical rainforest in the Sierra de Los Tuxtlas of southern Veracruz, Mexico. This region has been extensively deforested over the past half-century. The Estación de Biología Tropical Los Tuxtlas, of the Universidad Nacional Autónoma de México (UNAM), protects a 640 ha tract of lowland forest. It became relatively isolated from other forested tracts between 1975 and 1985, but it retains a corridor of forest to more extensive forests at higher elevations on Volcán San Martín. Most deforestation in this area occurred during the 1970s and early 1980s. Forest birds were sampled on the station and surrounding areas using mist nets during eight non-breeding seasons from 1973 to 2004 (though in some seasons netting extended into the local breeding season for some species). Our data suggested extirpations or declines in 12 species of birds subject to capture in mist nets. Six of the eight species no longer present were captured in 1992-95, but not in 2003-2004. Presence/absence data from netting and observational data suggested that another four low-density species also disappeared since sampling began. This indicates a substantial time lag between the loss of habitat and the apparent extirpation of these species. Delayed species loss and the heterogeneous nature of the species affected will be important factors in tropical forest management and conservation. PMID:24133637

Shaw, David W; Escalante, Patricia; Rappole, John H; Ramos, Mario A; Oehlenschlager, Richard J; Warner, Dwain W; Winker, Kevin

2013-10-08

236

Thermal Monitoring of Santa Ana Volcano. El Salvador. C.A  

NASA Astrophysics Data System (ADS)

The thermal regime of Santa Ana volcano has been monitored measuring temperatures in the fumaroles and the crater lake from 2002 to 2005. SNET (Servicio Nacional de Estudios Territoriales) monitored five fumaroles and the crater lake, and researchers from UES(Universidad de El Salvador) monitored two fumaroles and the soils within the crater. Temperatures measured within the crater lake indicate a 3.4 °C increase in temperature from 2002 to 2004, suggesting an increase in heat flow to the lake during that period. This increase in heat flow could be produced by new magma input to the magmatic chamber beneath the lake or the opening of new permeable conduits for the transfer of gases and heat to the surface. A continuous monitoring station within the crater soils registered an increase of temperature from 84 to 95 °C three days after a landslide within the crater ejected ash that was dispersed around the volcano (explosion around June 16, 2005). After incandescence was first observed in the crater on August 26, 2005, discrete temperature measurements on August 29, 2005 in one of the fumaroles showed an increase in temperature of 1.8 °C with respect to previous measurements. In addition, the same day, a new fumarolica zone in the SE of the crater was identified presenting high CO2 fluxes and temperatures around 60 to 70 °C. These results show increments in temperature and changes in the thermal regime of Santa Ana volcano that can be summarized as follows: a) gradual increase in the annual temperature of the lake, b) significant increment in the temperatures of fumaroles within the crater, and c) appearance of new fumaroles in the crater border. These thermal observations could be considered as possible precursory signals of the October 1st, 2005 eruption of Santa Ana volcano.

Henríquez, B.; Escobar, D.; López, D.; Olmos, R.; Barahona, F.; Hernández, A.; Funes, R.; Benítez, E.

2006-12-01

237

Event Clustering: Accuracy and Precision of Multiple Event Locations with Sparse Networks  

NASA Astrophysics Data System (ADS)

In the last 15 years passive PASSCAL experiments have been fielded on every continent. Most of these deployments were designed to record teleseismic or large local seismic events to infer crustal and mantle structure. However, the deployments inevitably record small, local seismicity. Unfortunately, the configuration of the experiments are not optimal for location (typically the stations are arranged in linear arrays), and the seismicity is recorded at a very limited number of stations. The standard location procedure (Geiger's method) is severely limited without a detailed crustal model. A number of methods have been developed to improve relative location precision, including Joint Hypocenter Determination (JHD) and Progressive Multiple Event Location (PMEL). In this study we investigate the performance of PMEL for a very sparse network where there appears to be strong event clustering. CHARGE is a passive deployment of broadband seismometers in Chile and Argentina, with a primary focus of investigating the changes in dip along the descending Nazca Plate. The CHARGE stations recorded a large number of small, local events in 2000-2002. For this study events were selected from the northern profile (approximately along 30o S) in Chile. The events look similar, and appear to be clustered southeast of the city of La Serena. We performed three sets of experiments to investigate precision: (1) iterative Master Event Corrections to measure the scale length of clusters, (2) PMEL locations, and (3) PMEL locations using a cross-correlation to determine accurate relative phase timing. The analysis shows that for the PMEL experiment clusters must occupy an area of 600 km2 for the results to be consistent. We will present a method to estimate the precision errors based on bootstrapping. Charge Team: S. Beck, G. Zandt, M. Anderson, H. Folsom, R. Fromm, T. Shearer, L. Wagner, and P. Alvarado (all University of Arizona), J. Campos, E. Kausel, and J. Paredes (all University of Chile), E. Triep (Universidad Nacional de San Juan), M. Bufaliza and M. Araujo (all INPRES)

Baldwin, T. K.; Wallace, T. C.

2002-12-01

238

Top-down estimation of carbon monoxide emissions from the Mexico Megacity based on FTIR measurements from ground and space  

NASA Astrophysics Data System (ADS)

Continuous carbon monoxide (CO) total column densities above the Universidad Nacional Autónoma de México (UNAM) campus in Mexico City have been derived from solar absorption infrared spectroscopic measurements since October 2007. Its diurnal evolution is used in the present study in conjunction with other ground-based and satellite data to develop a top-down emission estimate of the annual CO emission of the Mexico City Metropolitan Area (MCMA). The growth-rate of the total column around noon under low ventilation conditions is calculated and allows us to derive the average surface emission-flux at UNAM, while similar measurements taken at the edge of the MCMA in Tecámac provide information on background CO levels in the Mexico basin. Based on 3 yr of measurements, CO column measurements from the Infrared Atmospheric Sounding Interferometer (IASI) satellite instrument are used to reconstruct the spatial distribution of this anthropogenic pollutant over the MCMA. The agreement between the measured columns of the satellite and ground-based measurements is excellent, particularly when a comparison strategy based on time-displaced air masses is used. The annual emission of the Mexico Megacity is estimated to be (2.15 ± 0.5) Tg yr-1 for the year 2008, while the official inventory for that year reported 1.6 Tg yr-1. The difference is slightly higher than the conservative uncertainty estimated in this work suggesting that the emission might be underestimated by the conventional bottom-up method. A larger discrepancy is found in the spatial distribution of the emissions, when comparing the emission flux over UNAM (derived from the ground-based measurement) with that of the inventory integrated over a representative area. The methodology presented here represents a new and useful strategy to evaluate the contribution of megacities to the global anthropogenic gas emissions. Additionally, three different strategies to compare ground and space-based measurements above an inhomogeneous and strongly contaminated area like Mexico City are presented and discussed.

Stremme, W.; Grutter, M.; Rivera, C.; Bezanilla, A.; Garcia, A. R.; Ortega, I.; George, M.; Clerbaux, C.; Coheur, P.-F.; Hurtmans, D.; Hannigan, J. W.; Coffey, M. T.

2013-02-01

239

Opciones de tratamiento y estudios clínicos  

Cancer.gov

Información sobre las opciones de tratamiento de varios tipos de linfoma no Hodgkin, entre ellas, la posibilidad de participar en un estudio clínico. Conozca los conceptos básicos de los estudios clínicos y consulte la lista de los estudios que tienen inscripción abierta.

240

The Curandera of Conquest: Gloria Anzaldua's Decolonial Remedy  

ERIC Educational Resources Information Center

|In this essay I argue that the primary role that Gloria Anzaldua creates for herself as a writer and activist is that of the curandera of conquest, the healer of "la herida abierta" (the open wound) created by the borders imposed by capitalism, nationalism, imperialism, sexism, homophobia, and racism. After examining Anzaldua's "Prietita and the…

Hartley, George

2010-01-01

241

Sexual Violence at the U.S.Mexico Border  

Microsoft Academic Search

The U.S. – Mexico border es una herida abierta where the Third World grates against the first and bleeds. And before a scab forms it hemorrhages again, the lifeblood of two worlds merging to form a third country – a border culture.- Gloria Azandula Every day thousands of illegal immigrants come across the U.S.-Mexico border into the United States. According

Allie Jones

242

DISTRIBUCIÓN INVERNAL DE LOS MICROMAMÍFEROS EN BOSQUES FRAGMENTADOS DE LLANURA DEL CENTRO DE ESPAÑA  

Microsoft Academic Search

RESUMEN Este trabajo analiza los patrones de distribución y abundancia de las comunidades invernales de micromamíferos de dos áreas agrícolas de España central. Ambas áreas están constituidas por encinares Quercus ilex relictos y fragmentados dentro de una matriz agrícola. Los micromamíferos se muestrearon empleando trampas de foseta que estuvieron abiertas durante un ciclo lunar completo (28 noches en febrero-marzo de

J. M. DE ALBA; R. CARBONELL; C. L ALONSO; F. J. GARCÍA; M. DÍAZ

2001-01-01

243

Que Tal la Justicia Social en los Alumnos de la UIA (Universidad Iberoamericana)? Investigacion sobre los Logros en la Formacion Valoral (What about Social Justice among the Students of the Iberoamerican University? Survey on the Achievements in the Acquisition of Values).  

ERIC Educational Resources Information Center

|This survey investigates how the students of social philosophy modify their criteria on basic questions of social justice. A questionnaire of 30 questions, with 5 options, was developed. The five answer/options correspond to the following five schools of social philosophy (five ways of thinking): (1) liberal individualism; (2) humanitarianism;…

Bazdresch Parada, Juan E.

244

Material properties for reactor pressure vessels and containment shells under dynamic loading 1 This paper was presented at the 13th International Conference on Strucural Mechanics in Reactor Technology, Post Conference Seminar No. 4 on Containment Facilities, Universidade de Brasilia, Brasilia, DF, Brasil, 21st–22nd August, 1995. 1  

Microsoft Academic Search

The effects of high strain rate, dynamic biaxial loading and deformation mode (tension, shear) on the mechanical properties of AISI 316 austenitic stainless steel in as-received and pre-damaged (creep, LCF) conditions are reported. This research was conducted to assess the performances of the containment shell of fast breeder reactors. The results of this research have been utilized to prepare similar

Carlo Albertini

1997-01-01

245

POLIMORFISMO DO MTDNA EM DUAS POPULAÇÕES AFRO-BRASILEIRAS DA AMAZÔNIA: PACOVAL E TROMBETAS. Carvalho, B. M. (PIBIC\\/CNPq) & Ribeiro-dos-Santos, A. K. C. Laboratório de Genética Humana e Médica, Universidade Federal do Pará. andrea@canal13.com.br  

Microsoft Academic Search

Historically, the Amazonian populations present singular processes of formation and expansion. In these processes, three ethnic groups, African, Amerindian and European interacted biological and socially, resulting in an expressive genetical diversity. Through the mtDNA, we investigated variability in two Afro-Brazilian populations of the Amazon region: 92 and 33 individuals from Pacoval-PA (PCV) and Trombetas-PA (TRB), respectively. To analyse the mtDNA,

Kely C. Ribeiro-dos-Santos

246

Da mãe África aos filhos Brasil: expressão da herança genética para a anemia falciforme em estudantes do curso de farmácia da Universidade Federal do Piauí The mother africa children Brazil: expression of genetic inheritance for sickle cell anemia in students of pharmacy at the Federal University of Piauí  

Microsoft Academic Search

SUMMARY - Hereditary illness of bigger prevalence in the world and Brazil, the sickle cell already is considered a problem of public health. Characterized for homozigose of the gene of the sickle hemoglobin, it causes a gamma of signals and symptoms that demands integral attention to the patient. The sickle trace is characterized by heterozigose of the gene of the

Leonardo Ferreira Soares; Bernardo Melo Neto; Rafael Pires Veloso

2009-01-01

247

Takayasu arteritis in Colombia 1 Other collaborators: Oscar Felipe de la Cruz, Universidad de Antioquia, Medellin; Luis Fernando Pinto, I.S.S. Medellin; Gloria Vasquez, Fellow in Immunology; William Otero, I.S.S. Bucaramanga; Rafael Valle, Hospital Militar, Bogota. 1  

Microsoft Academic Search

Takayasu arteritis has been recognized in Colombia just recently, and so far we do not have any report concerning its presentation here. In this first report, some issues related to the presentation of the disease are indicated and compared with those found in the medical literature. No differences were found in age and sex. Most of the cases were diagnosed

Carlos A Cañas D; Cesar A Jimenez P; Luis A Ramirez; Oscar Uribe; Ignacia Tobón; Alberto Torrenegra; Alonso Cortina; Maurio Muñoz; Oscar Gutierrez; José F Restrepo; Mario Peña C; Antonio Iglesias G

1998-01-01

248

Conocimientos y habilidades de los profesores del campus de ciencias sociales de la Universidad Autónoma de Yucatán para la educación a distancia. Knowledge and skills of the teachers of the campus of social sciences of the Autonomous University of Yucatan through distance education  

Microsoft Academic Search

Open learning and over a distance, a force that he contributes clearly to the social and economic development, has been turning into an indispensable part of the education, and has been gaining acceptance inside the educational traditional systems, both in the developed countries and in development, but particularly in the above mentioned (UNESCO, 2002). This work arises as a response

Victor Manuel Cab Pech; J. Gabriel; Domínguez Castillo

249

Síndrome de Stevens-Johnson y necrólisis epidérmica tóxica por profilaxis con TARGA en el Hospital Nacional Almanzor Aguinaga Asenjo, Lambayeque,Perú Stevens Johnson syndrome and toxic epidermal necrolysis induced by HAART prophylaxis in the National Hospital Almanzor Aguinaga Asenjo, Lambayeque, Perú  

Microsoft Academic Search

RESUMEN Síndrome de Stevens-Johnson (SSJ) y necrólisis epidérmica tóxica (NET) son reacciones inflamatorias agudas originadas por hipersensibilidad (reacción inmunológica), que incluye piel y membranas mucosas. Se presenta un caso de reacción adversa medicamentosa en un paciente varón de 25 años, que recibió profilaxis con Terapia Antiretroviral de Gran Actividad. Presentó exantema, que progresa a SSJ y evoluciona a NET. Permaneció

Victor A. Soto Cáceres; Rosa E. Rodríguez Barboza

2007-01-01

250

Welfare recipients’ quality of life: lessons from the United Nations’ Human Development Index for the US welfare policy La calidad de vida de las beneficiarias del bienestar social: lecciones del Indice de Desarrollo Humano (IDH) de las Naciones Unidas para la política de bienestar social de los Estados Unidos de América  

Microsoft Academic Search

This article is part of a study on single mothers who were welfare recipients in Georgia, US (n?=?53,323) in the year 2000 which used the Human Development Index (HDI) to measure their quality of life (QOL) and that of the overall Georgia population by race. The United Nations created the HDI in 1990 to compare QOL across nations, but the

Mónica M. Alzate

2006-01-01

251

Implementacion de la tecnica de difraccion de neutrones en el Centro Nuclear del Instituto Nacional de Investigaciones Nucleares para el estudio de materiales. (Implementation of neutron diffraction technique at Nuclear Center of National Institute of Nuclear Research for study of materials).  

National Technical Information Service (NTIS)

The Neutron Diffraction technique is a helpful tool for the study of materials. The purpose was to verify that such technique works with the Neutron Diffractometer of National Institute of Nuclear Research. The scope, is to study crystalline materials by ...

L. R. Macias Betanzos

1993-01-01

252

EDITORIAL: The 29th International Conference on Phenomena in Ionized Gases The 29th International Conference on Phenomena in Ionized Gases  

NASA Astrophysics Data System (ADS)

The 29th International Conference on Phenomena in Ionized Gases (ICPIG) was held in Cancún, Mexico, on 12-17 July, 2009, under the sponsorship of the Universidad Nacional Autónoma de Mexico, UNAM, the Universidad Autónoma Metropolitana, UAM, and the International Union of Pure and Applied Physics (IUPAP). ICPIG, founded in 1953, has since been held biennally, and nowadays it covers both fundamental and applied research in all areas of low-temperature plasmas, including those related to the cold plasma in fusion devices. ICPIG fosters interdisciplinary research and interchange between different communities. The conference was attended by scientists from 33 countries. The scientific programme of ICPIG 2009 consisted of 10 General Invited and 24 Topical Lectures, covering all major topics of ICPIG. All speakers were invited to submit peer-reviewed articles based on their lectures for this special issue of Plasma Sources Science and Technology, either as reviews or original work. This special issue contains the papers of most of these talks, covering timely and key issues on elementary processes and fundamental data, plasma wall interactions, including those related to the low-temperature plasma in fusion devices. Several interesting papers were dedicated to plasma modelling, simulation and diagnostics. Important contributions to this issue deal with natural plasmas, low- and atmospheric-pressure plasmas, microplasmas and high-frequency plasmas. Almost half of the contributed papers in this issue are dedicated to applications dealing with plasmas for nanotechnology, plasma sources of various kinds, and other uses of plasmas in particle detection and mass spectrometry. Two workshops were organized. The first reviewed the state of the art on our knowledge of electron, positron and ion interaction processes in gases, with an emphasis on charged particle transport and reactions in electric and magnetic fields, measurement and calculation of cross sections and swarm coefficients, and their applications. The second workshop was dedicated to the recent research and future challenges on non-thermal plasmas relevant to fusion, reviewing the vital role played by the physics of the edge plasma in fusion devices, bridging hot-fusion core and wall materials, which is crucial for plasma confinement and the lifetime of the first wall. The ICPIG participants contributed with 219 papers, covering all ICPIG's topics, of which microplasmas, plasma diagnostics and plasma processes were the most abundant. These papers can be accessed freely at the website http://www.icpig2009.unam.mx. The Von Engel Prize, sponsored by the Hans von Engel and Gordon Francis Fund, was awarded to Professor Lev D Tsendin for his outstanding contribution to the understanding of the physical kinetics of low-pressure gas discharges, by introducing a non-local treatment. The 2009 IUPAP Young Scientist Medal and Prize in Plasma Physics was awarded to Dr Timo Gans, in recognition of his outstanding contribution, at an early stage of his career, in developing very imaginative and highly sophisticated optical diagnostics that allowed a deep understanding of the dynamics of low-temperature plasmas, widely used in microelectronics, photonics and many other emerging applications. On behalf of the Local Organising Committee (LOC) and the International Scientific Committee (ISC) of ICPIG 2009, the guest editor wishes to thank all authors for their efforts in contributing to this special issue. Thanks are due to all members of the LOC and ISC 29th ICPIG, chaired by Professor Jean-Paul Booth, for their contribution to the success of this conference, and to the Editorial Board of Plasma Sources Science and Technology for the opportunity to publish most of the lectures of the 29th ICPIG. We hope that this special issue will be a useful source of information for all those scientists and engineers working in this growing and fascinating field of basic and applied science, and will remind the attendants of the 29th ICPIG of the wonderful time we had in Cancún.

de Urquijo, J.

2010-06-01

253

Preface  

NASA Astrophysics Data System (ADS)

Complex systems represent one of the richest and more fascinating fields of current scientific research. The reason behind this is the important role that the properties of complex systems and materials play in a variety of different but overlapping areas in physics, chemistry, biology, mathematics, and social sciences, like medicine and economy. Such unusually broad research field is, therefore, of primary interest nowadays in pure science and technology. The role of statistical physics in this new field of complex systems has been present since its onset and it has been accelerating recently. Methods developed for studying ordering phenomena in simple systems have been generalized for application to more complex forms of matter (polymers, biological macromolecules, glasses, etc) and complex processes (e.g. chaos, turbulence, economy, jamming, biological processes). In particular, many different phenomena (considered in the past to belong to separate research fields) have now a common description. Pillars of such a description are the concepts of scaling and universality. The International Conference on `Scaling Concepts and Complex Systems' (a satellite meeting of STATPHYS21) was devoted to give an overview on recent developments around these two concepts. The Conference took place in Merida, Yucatan, Mexico, in July 9-14 2001. The meeting was held in the Gordon Conference style and was attended by about 100 scientists, it covered a large variety of theoretical and experimental research topics of current interest in complex systems and materials. The meeting consisted of a total number of about 40 invited and contributed talks and a poster session. The topics covered included: scaling behaviour, supra-molecular systems, aggregation, aggregation kinetics, growth mechanisms, disordered systems, soft condensed matter (polymers, biological polymers, bio-colloids, gels, colloids, membranes and interfacial phenomena), granular matter, phase separation and out-of-equilibrium dynamics, non-linear dynamics, chaos, turbulence and chaotic dynamics. The present issue contains a substantial number of the invited and contributed talks presented at the meeting. We made an effort to arrange these papers with an order similar to that of presentation during the meeting. It is our pleasure to thank the scientific committee, all the speakers, the session chairs and all participants who contributed to the success of the conference. We are grateful to the Bonino-Pulejo Foundation (Messina-Italy), and to the President On. Nino Calarco, for the Patronage and the enthusiastic support. Our thanks goes also for the Messina University, the INFM (Istituto Nazionale per la Fisica della Materia, Italy), the Consejo Nacional de Ciencia y Tecnología (CONACyT, Mexico) and the Universidad Nacional Autonoma de Mexico (UNAM). The Conference was sponsored by the INFM-Sec.C, CONACyT, UNAM, the Bonino-Pulejo Foundation which contributed financial support to participants and to the publication of the present issue. We are grateful to them for the support. Last, but not the least, we express our warmest gratitude to all the members of the local organizing committee for their assistance and for the work spent in organizing this meeting and especially to Professor~Alberto Robledo for his valuable advice.

Mallamace, Francesco; Quintana, Jacqueline

2002-03-01

254

Hobby-Eberly Telescope low-resolution spectrograph  

NASA Astrophysics Data System (ADS)

The Hobby-Eberly Telescope (HET) is a revolutionary large telescope of 9.2 meter aperture, located in West Texas at McDonald Observatory. First light was obtained on December 11, 1996. The start of scientific operations is expected in the late summer of 1998. The Low Resolution Spectrograph [LRS, an international collaboration between the University of Texas at Austin (UT), the Instituto de Astronomia de la Universidad Nacional Autonoma de Mexico (IAUNAM), Stanford University, Ludwig-Maximillians-Universitat, Munich (USM), and Georg- August-Universitat, Gottingen (USG)] is a high throughput, imaging spectrograph which rides on the HET tracker at prime focus. The LRS will be the first HET facility instrument. The remote location and the tight space and weight constraints make the LRS a challenging instrument, built on a limited budget. The optics were partially constructed in Mexico at IAUNAM, the mechanics in Germany, and the camera and CCD system in Texas. The LRS is a grism spectrograph with three modes of operation: imaging, longslit, and multi-object. The field of view of the HET is 4 arcmin in diameter, and the LRS will have a 13-slitlet Multi Object Spectroscopy (MOS) unit covering this field. The MOS unit is based on miniature components and is remotely configurable under computer control. Resolving powers between R equals (lambda) /(Delta) (lambda) approximately 600 and 3000 with a 1 arcsecond wide slit will be achieved with a variety of grisms, of which two can be carried by the instrument at any one time. The CCD is a Ford Aerospace 3072 X 1024 device with 15 micrometer pixels, and the image scale is approximately 0.25 arcsec per pixel. Here we present a detailed description of the LRS, and provide an overview of the optical and mechanical aspects of its design (which are discussed in detail elsewhere in these proceedings). Fabrication, assembly, and testing of the LRS will be completed by mid 1998. First light for the LRS on the HET is expected in the summer of 1998.

Hill, Gary J.; Nicklas, Harald E.; MacQueen, Phillip J.; Tejada, Carlos; Cobos Duenas, Francisco J.; Mitsch, Wolfgang

1998-07-01

255

Damage in the town of Miahuatlan by Oaxaca earthquake of September 30, 1999  

NASA Astrophysics Data System (ADS)

Instituto de Ingeniería Coordinación de Ingeniería Sismológica Universidad Nacional Autónoma de México jccsa@pumas.ingen.unam.mx On September 30, 1999 (11:31 local time) a 7.4-magnitude earthquake occurred along the coast of the southern state of Oaxaca (by its proximity called Puerto Escondido earthquake) resulting of subduction of the Cocos plate under the North American continental plate. Reported fatalities 30 people and much more injured. The intense movement felt by people in Mexico City with great scare, caused considerable damage in churches of Oaxaca, as religious representative monuments. Its behavior was some stronger and better earthquake resistant characteristics. Very much houses made of adobe widely used in a poorest state were damaged. Many heavy parapets fell over the street. From 440 km to Mexico City (with light damage) was registered maximum horizontal acceleration of 28 cm/s2, also near to 137 km from the epicenter with 196 cm/s2 on Oaxaca City, were the damage was concentrated, with more than 260 historical building. Constructions moderns were not damaged. To south of Oaxaca the rural town of Miahuatlan was damaged in your adobe houses and some of them destroyed with wood roofs supporting clay tiles, your principal church suffer the collapse of the tower in the side left and some failures in the interior of this church. The fallen superior part of its left tower was projected toward the left side and the other tower of right side not collapsed. Crack in the walls bordering the base of the towers (over the ceiling) as a form of stresses acting along to small walls with cracks in X form (showing effects in this walls to the action of inverted pendulum), as indication of the movement on the four directions. Also was observed some cracks in the small arcs of the towers and in a very high parapet upon of the entrance in the upper in the front of the church without cracks or collapse. It is showed much of the failure in adobe houses characteristic from damage for earthquake. Others adobe houses reinforce in your base not suffered damage due to this and wide walls.

Cuenca, J.; Bernal, I.

2007-05-01

256

PREFACE: X Meeting on Recent Advances in the Physics of Fluids and their Applications  

NASA Astrophysics Data System (ADS)

The X Meeting on Recent Advances in Physics of Fluids and Related Applications (Fluids 2008) was held in Santa Fe, Argentina, on 19-21 November 2008. It belongs to a series of meetings that started in 1989 and has continued - except for just one occasion - every other year. Thus, the first meeting took place in the city of Tandil in 1989 followed by three events in the city of La Plata (1991-93-95), Tunuyán (Mendoza) in 1997, Paraná (Entre Rios) in 1999, Buenos Aires in 2001, Tandil in 2003 and Mendoza in 2006. These meetings gather together most of the people working in Fluid Mechanics and related problems in Argentina. The objective of the meetings is to provide a forum to facilitate the interactions between participants in a friendly academic atmosphere. This goal is achieved by means of lectures and technical presentations on different subjects and from different points of view, the only constraint being the current academic/technical interest. Applications usually deal with problems of local interest. In the present meeting a variety of lecture topics were presented, among them we might mention Capillary Hydrodynamics, Wetting, Density Currents, Instabilities, Elastic-Dynamics, Flows in Porous Media, Sediment Transport, Plasma Dynamics, etc. In particular, we would like to highlight the specially invited lectures given by Dr Ramon Cerro (Chemical and Material Engineering Department University of Alabama in Huntsville, USA), Dr David Quéré (Physique et Mécanique des Milieux Hétérogènes ESPCI, FRANCE), Dr Marcelo García (College of Engineering University of Illinois at Urbana-Champaign) and Dr Víctor Calo (Earth and Environmental Science and Engineering, King Abdullah University of Science and Technology (KAUST) and Institute for Computational Engineering and Sciences (ICES), University of Texas at Austin). In addition, we had 18 invited talks and more than fifty contributions that were presented in poster sessions. On behalf of both the Honorary Committee and the Local Committee, we would like to thank the Institutions that sponsored the Meeting, namely: the National Scientific Research Council of Argentina (CONICET) and the National Agency for Scientific and Technology Promotion (ANPCyT), who supported the meeting with grants-in-aid; and the Universidad Nacional del Litoral, who provided all the logistic support needed to achieve a successful and enjoyable Conference. All the papers constituting this volume of Journal of Physics: Conference Series have been reviewed by experts in the field; though they are just a limited number of the works presented at the Meeting the volume provides a scientific record of the topics discussed. We hope that the readers will enjoy the reading. Fernando Adolfo Saita and María Delia Giavedoni

Saita, Fernando Adolfo; Giavedoni, María Delia

2009-07-01

257

Seismic Strong Motion Array Project (SSMAP) to Record Future Large Earthquakes in the Nicoya Peninsula area, Costa Rica  

NASA Astrophysics Data System (ADS)

The seismic strong motion array project (SSMAP) for the Nicoya Peninsula in northwestern Costa Rica is composed of 10 13 sites including Geotech A900/A800 accelerographs (three-component), Ref-Teks (three- component velocity), and Kinemetric Episensors. The main objectives of the array are to: 1) record and locate strong subduction zone mainshocks [and foreshocks, "early aftershocks", and preshocks] in Nicoya Peninsula, at the entrance of the Nicoya Gulf, and in the Papagayo Gulf regions of Costa Rica, and 2) record and locate any moderate to strong upper plate earthquakes triggered by a large subduction zone earthquake in the above regions. Our digital accelerograph array has been deployed as part of our ongoing research on large earthquakes in conjunction with the Earthquake and Volcano Observatory (OVSICORI) at the Universidad Nacional in Costa Rica. The country wide seismographic network has been operating continuously since the 1980's, with the first earthquake bulletin published more than 20 years ago, in 1984. The recording of seismicity and strong motion data for large earthquakes along the Middle America Trench (MAT) has been a major research project priority over these years, and this network spans nearly half the time of a "repeat cycle" (50 years) for large (Ms 7.5- 7.7) earthquakes beneath the Nicoya Peninsula, with the last event in 1950. Our long time co-collaborators include the seismology group OVSICORI, with coordination for this project by Dr. Ronnie Quintero and Mr. Juan Segura. Numerous international investigators are also studying this region with GPS and seismic stations (US, Japan, Germany, Switzerland, etc.). Also, there are various strong motion instruments operated by local engineers, for building purposes and mainly concentrated in the population centers of the Central Valley. The major goal of our project is to contribute unique scientific information pertaining to a large subduction zone earthquake and its related seismic activity when the next large earthquake occurs in Nicoya. A centralized data base will be created within the main seismic network files at OVSICORI, with various local personnel working in teams that will be responsible to collect data within 3 days following a large mainshock.

Simila, G.; McNally, K.; Quintero, R.; Segura, J.

2006-12-01

258

Using ground-based solar and lunar infrared spectroscopy to study the diurnal trend of carbon monoxide in the Mexico City boundary layer  

NASA Astrophysics Data System (ADS)

Carbon monoxide (CO) is an important pollutant in urban agglomerations. Quantifying the total burden of this pollutant in a megacity is challenging because not only its surface concentration but also its vertical dispersion present different behaviours and high variability. The diurnal trend of columnar CO in the boundary layer of Mexico City has been measured during various days with ground-based infrared absorption spectroscopy. Daytime CO total columns are retrieved from solar spectra and for the first time, nocturnal CO total columns using moonlight have been retrieved within a megacity. The measurements were taken at the Universidad Nacional Autónoma de México (UNAM) campus located in Mexico City (19.33° N, 99.18° W, 2260 m a.s.l.) from October 2007 until February 2008 with a Fourier-transform infrared spectrometer at 0.5 cm-1 resolution. The atmospheric CO background column was measured from the high altitude site Altzomoni (19.12° N, 98.65° W, 4010 m a.s.l.) located 60 km southeast of Mexico City. The total CO column within the city presents large variations. Fresh CO emissions at the surface, the transport of cleaner or more polluted air masses within the field-of-view of the instrument and other processes contribute to this variability. The mean background value above the boundary mixing layer was found to be (8.4±0.5)×1017 molecules/cm2, while inside the city, the late morning mean on weekdays and Sundays was found to be (2.73±0.41)×1018 molecules/cm2 and (2.04±0.57)×1018 molecules/cm2, respectively. Continuous CO column retrieval during the day and night (when available), in conjunction with surface CO measurements, allow for a reconstruction of the effective mixing layer height. The limitations from this simplified approach, as well as the potential of using continuous column measurements in order to derive top-down CO emissions from a large urban area, are discussed. Also, further monitoring will provide more insight in daily and weekly emission patterns and a usable database for the quantitative validation of CO from satellite observations in a megacity.

Stremme, W.; Ortega, I.; Grutter, M.

2009-10-01

259

Using ground-based solar and lunar infrared spectroscopy to study the diurnal trend of carbon monoxide in the Mexico City boundary layer  

NASA Astrophysics Data System (ADS)

Carbon monoxide (CO) is a main pollutant in urban agglomerations. Quantifying the total burden of this pollutant in a megacity is challaging because not only its surface concentration but also its vertical dispersion present different behaviours and high variability. The diurnal trend of columnar CO in the boundary layer of Mexico City has been measured during various days with ground-based infrared absorption spectroscopy. Daytime CO total columns are retrieved from solar spectra and for the first time, nocturnal CO total columns using moonlight have been retrieved within a megacity. The measurements were taken at the Universidad Nacional Autónoma de México (UNAM) campus located in Mexico City (19.33° N, 99.18° W, 2260 m a.s.l.) from October 2007 until February 2008 with a Fourier-transform infrared spectrometer at 0.5 cm-1 resolution. The atmospheric CO background column was measured from the high altitude site Altzomoni (19.12° N, 98.65° W, 4010 m a.s.l.) located 60 km southeast of Mexico City. The total CO column within the city presents large variations that are caused mainly by fresh CO emissions at the surface, but also the transport of cleaner or more polluted air masses within the field-of-view of the instrument and other processes contribute to its variability. The mean background value above the boundary mixing layer was found to be around (1.2±0.2)×1018 molecules/cm2, while inside the city, the late morning mean on weekdays and Sundays was found to be (3.2±0.3)×1018 molecules/cm2 and (2.1±0.4)×1018 molecules/cm2, respectively. Continuous CO column retrieval during the day and night (when available), in conjunction with surface CO measurements, allow for a reconstruction of the effective mixing layer height. The limitations from this simplified approach, as well as the potential of using continuous column measurements in order to derive top-down CO emissions from a large urban area, are discussed. Also, further monitoring will provide more insight in daily and weekly emission patterns and a usable database for the quantitative validation of CO from satellite observations in a megacity.

Stremme, W.; Ortega, I.; Grutter, M.

2009-05-01

260

Relationship Between Precipitation Chemistry and Meteorological Parameters at a Urban Site in the North of Queretaro State  

NASA Astrophysics Data System (ADS)

A total of 50 wet precipitation samples were collected per event at the Juriquilla site from mid-May 2009 to the end of May 2010. The Juriquilla sampling site was located on the roof of the Geoscience Building, Universidad Nacional Autónoma de México, at the Juriquilla Campus in the city of Querétaro located at 20°41'58"N and 100°27'28" W, at 1920 meters above sea level (masl). Sampling was done in passive collectors that consisted of a high density polyethylene funnel connected to a 2-liter polyethylene bottle, supported by a rod 1.5 m above the roof. One of the collectors was used to take samples for trace metals. The analysis was done in soluble and insoluble fractions. Al, Ag, As, Cd, Cr, Cu, Hg, Mn, Ni, Pb, V and Zn were analyzed by atomic absorption spectroscopy with a graphite furnace accessory. The other collector was used to measure pH and major ions (SO4-2, Cl-, NO3-, Ca2+, Mg2+, Na+, K+ and NH4+) in the soluble fractions, because it was assumed that these ions are completely soluble in rainwater. The major ions SO4-2, Cl-, and NO3-, were analyzed by a Varian Model 2010 ion chromatograph; Ca2+, Mg2+, Na+ and K+ were determined by flame atomic absorption spectrometry and NH4+ by a UV spectrophotometer. In this study, synoptic maps were used to analyze the transport of air masses before rainfall, enabling back trajectories to be used to estimate the source region of pollutants. To understand the variety of synoptic weather conditions, data were associated with the corresponding air mass back trajectories calculated by the NOAA HYSPLIT model (Hybrid Single-Particle Lagrangian Integrated Trajectory Model). Back trajectory models have very simple advection schemes to calculate the previous position of an air parcel by using estimated wind speed and direction for the time period prior to arrival at the selected site. In this study, the origin of the air mass for an event was evaluated by a three-day back-trajectory before arrival to Queretaro. Mass back trajectories were calculated for 1000 and 2000 meters above ground level (MAGL), because winds at these levels should be a good approximation to the mean transport wind, since this pressure level frequently lies near the center of the transport layer. Finally, trajectories were classified by eight different directions according to the directions of the air masses before rainfall.

García Martínez, R.; Hernández, G.; Solis, S.; Torres, M. D.; Padilla, H.; Báez, A.

2010-12-01

261

[Undergraduate and postgraduate studies in the biological sciences in Chile (1985)].  

PubMed

A study group of scientists was convened by the Sociedad de Biología de Chile (Biological Society of Chile) and the Regional Program for Graduate Training in Biological Sciences, PNUD-Unesco, RLA 78/024, to assess undergraduate and graduate studies in life sciences in Chile. The group presented this report at the 28th Annual Meeting of the Society. Discussion centered on the features that should characterize the studies leading to the academic degrees of Licenciado (Licenciate), Magíster (Master) and Doctor (Ph. D) in Sciences, and also on the qualifications that the universities should satisfy in order to grant them. After analyzing the present situation of undergraduate and graduate studies in Biological Sciences in Chilean universities, the group made the following main suggestions: 1. It is recommended that Chilean universities agree on a 4-year plan for the Licenciado degree, without the requirement of a thesis. The importance of providing the students with good laboratory exercises and field experience and with the opportunity to perform short research projects is stressed. In addition, a sound theoretical training on mathematics, physics and chemistry in the education of a modern Biologist is important. Licenciate studies ought to be the basis for professional careers and the universities should offer to the Licenciados free access to their professional schools. 2. It is considered appropriate for Chile and its universities to develop graduate programs in those disciplines that have reached a level of excellence. To accomplish this aim, adequate finance of the universities is necessary to permit them to provide the essential facilities for doing research, and to create a wide system of fellowships for graduate students. Direct government support for research and graduate student fellowships is requested. 3. Research experience of the kind needed for the preparation of a doctoral thesis is recommended as the academic level appropriate for those engaged in teaching undergraduate students in sciences. Teachers in graduate programs should be qualified active researchers. 4. The creation is proposed of a Consejo Nacional de Universidades (National Council of Universities), to be autonomous and composed primarily of outstanding scientists. One of the main functions of this Council would be to licence universities to grant undergraduate and graduate academic degrees in science. 5. The Sociedad de Biología de Chile must maintain an interest in the evaluation of undergraduate and graduate studies in life sciences. PMID:3448995

Niemeyer, H

1986-01-01

262

Paleomagnetic behavior of volcanic rocks from Isla Socorro, Mexico  

NASA Astrophysics Data System (ADS)

Isla Socorro, Mexico is located in the eastern Pacific Ocean on the Mathematician Ridge, an abandoned spreading center that ceased activity ~3.5 Ma when activity shifted to the East Pacific Rise. Silicic volcanism continues to the present day. A lack of vegetation in the southeastern portion of the island has resulted in extensive erosion, exposing in steep-sided canyons a sequence of volcanic units the oldest of which are ~540ka. We carried out a joint expedition between the Scripps Institution of Oceanography and the Universidad Nacional Autonoma Mexico to Isla Socorro in January of 2005. We collected oriented paleomagnetic samples from 21 sites from as many as 10 different volcanic units. We subjected over 100 specimens to an "IZZI" type (Tauxe and Staudigel, 2004) paleointensity experiment in which in-field and zero-field first steps were alternated to detect high-temperature tails. We also included the standard pTRM checks. Although some specimens worked extremely well, we observed non-ideal behavior in many specimens. We categorized this `misbehavior' into four general groups reflecting contamination by non-single-domain magnetic carriers and alteration during the experiment. In an earlier study, Bohrson et al. (1996) proposed a series of widespread eruptive events, based on similarities of argon/argon dates. Paleointensity from specimens that conform to the strictest acceptance criteria are available from both the (unoriented) original sample collection and our fully oriented (but as yet undated) new collection. Comparison of the two sample sets allows us to tie dates unambiguously from the dated collection to the new fully oriented data set. Bohrson, W. A., M. R. Reid, et al. (1996). "Prolonged History of Silicic Peralkaline Volcanism in the Eastern Pacific Ocean." Journal of Geophysical Research-Solid Earth 101(B5): 11457-11474. Tauxe, L. and H. Staudigel (2004). "Strength of the geomagnetic field in the Cretaceous Normal Superchron: New data from submarine basaltic glass of the Troodos Ophiolite." Geochem. Geophys. Geosyst. 5(2): Q02H06, doi:10.1029/2003GC000635.

Sbarbori, E.; Tauxe, L.; Fucugauchi, J. U.; Gogichaishvili, A.; Bohrson, W. A.

2007-05-01

263

Assessing Heterogeneous Student Bodies Using a Methodology that Encourages the Acquisition of Skills Valued by Employers  

ERIC Educational Resources Information Center

|This work compares the results of three assessment systems used in two Spanish universities (the "Universidad Politecnica de Madrid" and the "Universidad Catolica de Avila"): the traditional system based on final examinations, continuous assessment with periodic tests and a proposed system (specially designed for heterogeneous student bodies)…

Perdigones, Alicia; Garcia, Jose Luis; Valino, Vanesa; Raposo, Cecilia

2009-01-01

264

Diferencias por sexo en los criterios y estándares de productividad científica y docente en profesores funcionarios en España  

Microsoft Academic Search

El objetivo del presente trabajo es analizar las diferencias en la opinión que tienen los profesores y pro- fesoras universitarios españoles sobre los criterios y estándares de productividad científica, así como el número mínimo en éstos para ser acreditado como Profesor Titular de Universidad (PTU) o como Catedrático de Universidad (CU). Para ello se encuestó a una muestra de 960

Juan Carlos Sierra; Gualberto Buela-Casal; María Paz Bermúdez; Pablo Santos-Iglesias

2009-01-01

265

High resolution receiver function Images of the lithosphere beneath the Central Andes between 19°and 24° S using data of Integrated Plate boundary Observatory Chile (IPOC)  

Microsoft Academic Search

Installation of observatories in northern Chile started in 2006 in a close cooperation of the Universidad de Chile (Santiago), the Universidad Catolica del Norte (Antofagasta), the IPGP (Paris), and the GFZ Potsdam. Currently we operate 16 modern seismological stations equipped with STS-2 broadband seismometers. All seismic stations are located in northern Chile at 19°-24° S between Arica in the North

F. Sodoudi; G. Asch; R. Kind; O. Oncken; J. Vilotte; S. E. Barrientos; P. Salazar Reinoso

2009-01-01

266

Qualidade de vida, apoio social e depressão em idosos: relação com habilidades sociais  

Microsoft Academic Search

Abstract Current studies suggest that the capacity to socially interact is basic for the elderly in order to reach out and keep social support, and to guarantee a better quality of life. The present study aimed to investigate the social abilities, social support, quality of life and depression of the elderly from Universidade Aberta da Terceira Idade da Universidade do

Rachel Shimba Carneiroa; Eliane Falcone; Cynthia Clark; Zilda Del Prette; Almir Del Prette

2007-01-01

267

La presencia de China en América Latina. Un tema controvertido  

Microsoft Academic Search

El autor analiza la presencia de la República Popular China en América Latina y sus repercusiones para la seguridad nacional de los Estados Unidos en la última década. Al sostener que actualmente la RPC no amenaza los intereses vitales de Estados Unidos en su patio trasero, el autor toma en cuenta el diálogo estratégico sino-estadounidense, la seguridad nacional de la

Peter M. Lewis

2007-01-01

268

International Public Relations: An American Perspective  

Microsoft Academic Search

En un món cada vegada més interconnectat i interdependent, la internacionalització de les relacions públiques s’ha convertit en una realitat, a més a més d’una preocupació tant per a acadèmics com per a professionals que veuen com una crisi que es va iniciar en els mercats americans ràpidament va afectar tant nacions desenvolupades com nacions en vies de desenvolupament. En

Sahar Khamis; Elizabeth L. Toth

2008-01-01

269

Historical Perspective of a Union Catalog in Chile: Authorities and Periodicals Perspectiva Historica del Catalogo Colectivo en Chile: Autoridades y Publicaciones Periodicas  

Microsoft Academic Search

For almost 20 years, the National Bibliographic Network (Red Nacional de Información Bibliográfica (RENIB)) has been the driving force of library networking and resource sharing in Chile. Administratively dependent on the National Library (Biblioteca Nacional) and also physically located on its premises, RENIB has been very successful in bringing together librarians from most of the major Chilean libraries and in

Elizabeth N. Steinhagen

2002-01-01

270

COMPARISON BETWEEN INMETRO (BRAZIL) AND CENAM (MEXICO) ON BAROMETRIC PRESSURE, RANGE FROM 80 kPa UP TO 115 kPa  

Microsoft Academic Search

This paper presents the comparison between the Instituto Nacional de Metrologia, Normalização e Qualidade Industrial (INMETRO, Brazil) and the Centro Nacional de Metrología (CENAM, Mexico) on barometric pressure in the range from 80 kPa up to 115 kPa. This comparison was carried out at the end of 2004 and has been entered within the data base of the Sistema Interamericano

Jorge C. Torres-Guzmán; Pablo Olvera-Arana; Luiz H. Paraguassú; Paulo R. G. Couto

271

Trabalho e Progresso Técnico: Uma Análise nos Níveis de Emprego, Renda e Qualificação na Indústria Paulista  

Microsoft Academic Search

As relações entre o progresso técnico e o mercado de trabalho são estudadas por diversos autores atualmente tanto no cenário nacional como internacional, apresentando inusitadamente resultados ambíguos. No âmbito nacional, alguns estudos encontraramevidências de que firmas tecnologicamente mais avançadas apresentam trabalhadores melhor remunerados em decorrência da sua maior qualificação. Assim, com o objetivo de trazer evidências acerca da relação entre

Beatriz Selan; Danilo César Cascaldi Garcia; Sérgio Kannebley Júnior

2009-01-01

272

TRABALHO E PROGRESSO TÉCNICO: UMA ANÁLISE NOS NÍVEIS DE EMPREGO, RENDA E QUALIFICAÇÃO NA INDÚSTRIA PAULISTA  

Microsoft Academic Search

As relações entre o progresso técnico e o mercado de trabalho são estudadas por diversos autores atualmente tanto no cenário nacional como internacional, apresentando inusitadamente resultados ambíguos. No âmbito nacional, alguns estudos encontraram evidências de que firmas tecnologicamente mais avançadas apresentam trabalhadores melhor remunerados em decorrência da sua maior qualificação. Assim, com o objetivo de trazer evidências acerca da relação

Beatriz Selan; Danilo César Cascaldi Garcia; Sérgio Kannebley Júnior

2008-01-01

273

Comparing fixed points of the ITS90 as realized in Canada, Argentina and Brazil  

Microsoft Academic Search

A set of fixed points maintained by national metrology institutes (NMIs) for calibrating platinum resistance thermometers (PRTs) in Canada (National Research Council, NRC), Argentina (Instituto Nacional de Tecnologia Industrial, INTI) and Brazil (Instituto Nacional de Metrologia, Normalizaçãoe Qualidade Industrial, INMETRO) were compared using two methods. A set of portable cells was used in one method, and in the other a

J Ancsin; M Tischler; S G Petkovic; J F N Santiago

2001-01-01

274

Dinámica y productividad de la industria colombiana: empleo, exportaciones y la pequeña empresa  

Microsoft Academic Search

Este trabajo, producto de un sfuerzo conjunto del DANE y la Universidad Javeriana, presenta una visión diferente de la economía olombiana. Esta visión se basa en el estudio de la microestructura de la roducción

Jan Ter Wengel; Juan Francisco Martínez Rojas; Beatriz Ferreira Villegas; Germán Pérez Hernández

2006-01-01

275

LBL/AGMEF/JSU El Yunque Environmental Research Initiative.  

National Technical Information Service (NTIS)

The LBL/AGMEF/JSU Environmental Research Initiative has had several noteworthy successes. Faculty and student development is apparent. A research project involving atmospheric aerosol sampling was established at Universidad Metropolitana under Prof. Ferna...

R. L. Dod F. Diaz L. Feliu C. D. Parker

1989-01-01

276

Decision Theories used in Areas Planning around La Colacha Basin (Cordoba, Argentina) considering Natural and Human Hazards  

NASA Astrophysics Data System (ADS)

The authors of U.P.M. have had relations with Argentine Universities and Administrations, in part with J.M.Cisneros that is Professor at Universidad Nacional de Rio Cuarto in Prov. de Córdoba Arg., and have applied Decision Theories with Mathematic tools for the planning of defences and uses of soils in these areas and especially of La Colacha bassin enlarged with larger areas around it as "Cuenca de los Arroyos Menores" at West and South of Rio Cuarto. These large flat lands have loess soils brought by winds from Los Andes that are much far at West, there is a very old line of not high mountains at West near the study area from which rivers flow with little slopes to somehow lower flat areas at West with some marshes. Rivers through loess get regressive erosions with rains forming kilometres long ditches in the loess called "cárcavas" some meters deep and quite large across otherwise flat agricultural lands, and J.M. Cisneros, that has numerous publications about local soil uses, has directed diverse genie rural works to halt the regression of some of them. Part of the study is about protection against floods and "cárcavas". There are famous experiences and records of higher inundations of large areas by rivers. Latitude of Rio Cuarto is 31°25' South, that area is temperate refreshed by south winds, Zonda föhn winds from West being hotter and drier, and there are monsoons and so winter in July is dry and summer and December has rains, that average 829mm per year. Wind erosion and fires occur frequently on these loess soils in winter. This is an excellent area for agriculture but some actual uses may be not sustainable in long term such as excesses with genetically engineered soy, and the authors have studied aided with mathematical models (ELECTRE I, PROMETHEE and Expert Choice) the preferences of various alternative systems of land use (Autochthonous forest, High value forest, Traditional farms, Erosion control Crop with agriculture use, and Erosion control Crop with industrial use (biomass) ) in view of diverse Criteria (Water erosion index, Eolian erosion index, Implementation facility, Water resources, Economical Benefits, Hand power, Environmental Impacts, social Acceptance), as contribution for territorial planning, in part in relation with local official agencies. There are numerous references in local Spanish Argentine literature about the region uses of soils, some of J.M.Cisneros, and many general references, let note about Decision Theory: (1) Grau, J. B., Antón, J.M., Tarquis A. M., Andina, D. Election of water Resources Management Entity using a Multi-criteria decision (MCD) Method in Salta Province (Argentine)". CITSA 2008, Orlando 29 June-2 July, 2008. (2) Roy, B., D. Bouyssou. Aidé Multicritère à la Décision: Méthodes et cas. Economica, Paris 1993. (3) Saaty, T. The Analytic Hierarchy Process, Mac Graw-Hill, New York, 1980.

Antón, Jose M.; Grau, Juan B.; Tarquis, A. M.; Cisneros, Jose M.; Andina, Diego

2010-05-01

277

SIRGAS: ITRF densification in Latin America and the Caribbean  

NASA Astrophysics Data System (ADS)

The continental reference frame of SIRGAS (Sistema de Referencia Geocéntrico para las Américas) is at present realized by the SIRGAS Continuously Operating Network (SIRGAS-CON) composed by about 200 stations distributed over all Latin America and the Caribbean. SIRGAS member countries are qualifying their national reference frames by installing continuously operating GNSS stations, which have to be consistently integrated into the continental network. As the number of these stations is rapidly increasing, the processing strategy of the SIRGAS-CON network was redefined during the SIRGAS 2008 General Meeting in May 2008. The new strategy relies upon the definition of two hierarchy levels: a) A core network (SIRGAS-CON-C) with homogeneous continental coverage and stabile site locations ensures the long-term stability of the reference frame and provides the primary link to the ITRS. Stations belonging to this network have been selected so that each country contributes with a number of stations defined according to its surface and guarantying that the selected stations are the best in operability, continuity, reliability, and geographical coverage. b) Several densification sub-networks (SIRGAS-CON-D) improve the accessibility to the reference frame. The SIRGAS-CON-D sub-networks shall correspond to the national reference frames, i.e., as an optimum there shall be as many sub-networks as countries in the region. The goal is that each country processes its own continuously stations following the SIRGAS processing guidelines, which are defined in accordance with the IERS and IGS standards and conventions. Since at present not all of the countries are operating a processing centre, the existing stations are classified in three densification networks (a Northern, a middle, and a Southern one), which are processed by three local processing centres until new ones are installed. As SIRGAS is defined as a densification of the ITRS, stations included in the core network, as well as in the densification sub-networks match the requirements, characteristics, and processing performance of the ITRF. The SIRGAS-CON-C network is processed by DGFI (Deutsches Geodätisches Forschungsinstitut, Germany) as the IGS-RNAAC-SIR. The Local Processing Centres are for the Northern sub-network IGAC (Instituto Geográfico Augustín Codazzi, Colombia), for the middle sub-network IBGE (Instituto Brasileiro de Geografia e Estátistica, Brazil), and for the Southern sub-network IGG-CIMA (Instituto de Geodesia y Geodinámica, Universidad Nacional de Cuyo, Argentina). These four Processing Centres deliver loosely constrained weekly solutions for station coordinates (i.e., satellite orbits, satellite clock offsets, and Earth orientation parameters are fixed to the final weekly IGS solutions and coordinates for all sites are constrained to ?1 m). The individual contributions are integrated in a unified solution by the SIRGAS Combination Centres (DGFI and IBGE) according to the following strategy: 1) Individual solutions are reviewed/corrected for possible format problems, data inconsistencies, etc. 2) Constraints imposed in the delivered normal equations are removed. 3) Sub-networks are individually aligned to the IGS05 reference frame by applying the No Net Rotation (NNR) and No Net Translation (NNT) conditions. 4) Coordinates obtained in (3) for each sub-network are compared to IGS05 values and to each other in order to identify possible outliers. 5) Stations with large residuals (more than 10 mm in the N-E component, and more than 20 mm in the Up component) are reduced from the normal equations. Steps (3), (4), and (5) are done iteratively. 6) Since at present the four Analysis Centres are processing GPS observations only and all of them use the Bernese Software for computing weekly solutions, relative weighting factors are not applied in the combination. 7) Individual normal equations are accumulated and solved for computing a loosely constrained weekly solution for station coordinates (i.e., coordinates for all stations are constrained to 1 m). This

Brunini, C.; Costa, S.; Mackern, V.; Martínez, W.; Sánchez, L.; Seemüller, W.; da Silva, A.

2009-04-01

278

EDITORIAL: Squeezed states and uncertainty relations  

NASA Astrophysics Data System (ADS)

This special issue of Journal of Optics B: Quantum and Semiclassical Optics is composed mainly of extended versions of talks and papers presented at the Eighth International Conference on Squeezed States and Uncertainty Relations held in Puebla, Mexico on 9-13 June 2003. The Conference was hosted by Instituto de Astrofísica, Óptica y Electrónica, and the Universidad Nacional Autónoma de México. This series of meetings began at the University of Maryland, College Park, USA, in March 1991. The second and third workshops were organized by the Lebedev Physical Institute in Moscow, Russia, in 1992 and by the University of Maryland Baltimore County, USA, in 1993, respectively. Afterwards, it was decided that the workshop series should be held every two years. Thus the fourth meeting took place at the University of Shanxi in China and was supported by the International Union of Pure and Applied Physics (IUPAP). The next three meetings in 1997, 1999 and 2001 were held in Lake Balatonfüred, Hungary, in Naples, Italy, and in Boston, USA, respectively. All of them were sponsored by IUPAP. The ninth workshop will take place in Besançon, France, in 2005. The conference has now become one of the major international meetings on quantum optics and the foundations of quantum mechanics, where most of the active research groups throughout the world present their new results. Accordingly this conference has been able to align itself to the current trend in quantum optics and quantum mechanics. The Puebla meeting covered most extensively the following areas: quantum measurements, quantum computing and information theory, trapped atoms and degenerate gases, and the generation and characterization of quantum states of light. The meeting also covered squeeze-like transformations in areas other than quantum optics, such as atomic physics, nuclear physics, statistical physics and relativity, as well as optical devices. There were many new participants at this meeting, particularly from Latin American countries including, of course, Mexico. There were many talks on the subjects traditionally covered in this conference series, including quantum fluctuations, different forms of squeezing, unlike kinds of nonclassical states of light, and distinct representations of the quantum superposition principle, such as even and odd coherent states. The entanglement phenomenon, frequently in the form of the EPR paradox, is responsible for the main advantages of quantum engineering compared with classical methods. Even though entanglement has been known since the early days of quantum mechanics, its properties, such as the most appropriate entanglement measures, are still under current investigation. The phenomena of dissipations and decoherence of the initial pure states are very important because the fast decoherence can destroy all the advantages of quantum processes in teleportation, quantum computing and image processing. Due to this, methods of controlling the decoherence, such as by the use of different kinds of nonlinearities and deformations, are also under study. From the very beginning of quantum mechanics, the uncertainty relations were basic inequalities distinguishing the classical and quantum worlds. Among the theoretical methods for quantum optics and quantum mechanics, this conference covered phase space and group representations, such as the Wigner and probability distribution functions, which provide an alternative approach to the Schr\\"odinger or Heisenberg picture. Different forms of probability representations of quantum states are important tools to be applied in studying various quantum phenomena, such as quantum interference, decoherence and quantum tomography. They have been established also as a very useful tool in all branches of classical optics. From the mathematical point of view, it is well known that the coherent and squeezed states are representations of the Lorentz group. It was noted throughout the conference that another form of the Lorentz group, namely, the 2 x 2 representation of the SL(2,c) group, is becoming

Jauregue-Renaud, Rocio; Kim, Young S.; Man'ko, Margarita A.; Moya-Cessa, Hector

2004-06-01

279

Collaborative Research and Support Program on Food Intake and Human Function: Mexico Project.  

National Technical Information Service (NTIS)

The Mexico Collaborative Research and Support Program on Nutrition and Function (Mexico CRSP) was a joint effort of researchers from the Instituto Nacional de la Nutricion Salvador Zubiran (INN), Division de Nutricion de Comunidad in Mexico City and the U...

L. H. Allen G. H. Pelto A. Chavez

1987-01-01

280

Evaluation of Refractivity Profiles from CHAMP and SCA-C GPS Radio Occultation.  

National Technical Information Service (NTIS)

The GeoForschungsZentrum's Challenging Minisatellite Payload for Geophysical Research and Application (CHAMP, Germany-US) and the Comision Nacional de Actividades Especiales' Satelite de Aplicaciones Cientificas-C (SAC-C, Argentina-US) missions are the fi...

P. Poli C. C. Ao J. Joiner M. de la Torre Juarez R. Hoff

2003-01-01

281

Cáncer de cuello del útero o uterino  

Cancer.gov

Información acerca del cáncer de cérvix (cervical o cuello uterino), lo cual incluye temas como tratamiento, prevención, causas, factores de riesgo, exámenes selectivos de detección, estudios clínicos y estadísticas del Instituto Nacional del Cáncer.

282

Prevalencia de Bocio Endemico en la Poblacion escolar de Bolivia (Prevalence of Endemic Goiter in the School Population of Bolivia).  

National Technical Information Service (NTIS)

Although goiter has been endemic in Bolivia since the days of colonization, the actual magnitude and severity of the disease has never been measured. This 1981 study by the Instituto Nacional de Alimentacion y Nutricion was conducted to statistically meas...

R. Vera G. Varela M. Feraudi V. Cossio R. Lopez

1981-01-01

283

Compra de medicinas recetadas a traves del Internet: Una ...  

Center for Drug Evaluation (CDER)

Text Version... En colaboración con la National Alliance for Hispanic Health (Alianza Nacional para la Salud de los Hispanos) www.hispanichealth.org 1-866-SU ... More results from www.fda.gov/downloads/drugs/resourcesforyou

284

Calculations on Heavy-Water Moderated and Cooled Natural Uranium Fuelled Power Reactors.  

National Technical Information Service (NTIS)

One of the codes that the Instituto Nacional de Investigaciones Nucleares (Mexico) has for the nuclear reactors design calculations is the LEOPARD code. This work studies the reliability of this code in reactors design calculations which component materia...

J. L. Pinedo V

1979-01-01

285

Sistema de adquisicion de datos para el espectrometro de resonancia paramagnetica electronica. (Data acquisition system for electronic paramagnetic resonance spectrophotometer).  

National Technical Information Service (NTIS)

In the Atomic and Molecular Physics Laboratory at the Physics Department of the Instituto Nacional de Investigaciones Nucleares (ININ), there is in operation an electronic paramagnetic resonance spectrometer (EPR). This equipment is utilized for determine...

R. Pena Eguiluz

1992-01-01

286

15 CFR Supplement No. 4 to Part 748 - Authorities Administering Import Certificate/Delivery Verification (IC/DV) and End-User Statement...  

Code of Federal Regulations, 2013 CFR

...de la Comision Nacional de Control de Exportaciones Sensitivas y Material Belico Balcarce 362âler. piso Capital FederalâCP 1064 Buenos Aires Tel. 334-0738, Fax 331-1618 IC/DV Australia Director, Strategic Trade Policy and...

2013-01-01

287

Cheralite Quartzites in Itiuba Mountains-Bahia, Brazil.  

National Technical Information Service (NTIS)

Quartzitic pebbles of anomalous radioactivity were found by the geologists of the 'Comissao Nacional de Energia Nuclear' of Brazil (CNEN) in November 1964 in the Vicinity of Santa Rosa, municipality of Jaguarari, Bahia. A radioactive anomaly of large exte...

E. Gorsky V. A. Gorsky

1974-01-01

288

Regulación de la Sangre y los Componentes Sanguíneos en ...  

Center for Biologics Evaluation and Research (CBER)

Text Version... America's Blood Centers, compuesta de centros sanguíneos individuales con licencia, recolecta un 45 por ciento adicional del suministro nacional ... More results from www.fda.gov/downloads/biologicsbloodvaccines/internationalactivities

289

Pigment pattern and expression of colour in fruits from different Hylocereus sp. genotypes  

Microsoft Academic Search

Pigment profiles, betalain contents, colour and pH-values were studied in fruits from five Hylocereus sp. genotypes originating from Costa Rica. Significant colour differences between fruit pulps from “Nacional” and “San Ignacio” were found for C?-values and “Lisa” exhibited the most reddish tint h°. Whereas highest betalain contents were registered in “San Ignacio” and “Orejona”, lowest values were found in “Nacional”.

Patricia Esquivel; Florian C. Stintzing; Reinhold Carle

2007-01-01

290

Chapman Conference on Rainfall Fields  

NASA Astrophysics Data System (ADS)

The Chapman Conference on Rainfall Fields, sponsored by AGU, was the first of its kind; it was devoted to strengthening scientific interaction between the North American and Latin American geophysics communities. It was hosted by Universidad Simon Bolivar and Instituto Internacional de Estudios Avanzados, in Caracas, Venezuela, during March 24-27, 1986. A total of 36 scientists from Latin America, the United States, Canada, and Europe participated. The conference, which was convened by I. Rodriguez-Iturbe (Universidad Simon Bolivar) and V. K. Gupta (University of Mississippi, University), brought together hydrologists, meteorologists, and mathematicians/statisticians in the name of enhancing an interdisciplinary focus on rainfall research.

Gupta, V. K.

291

Recent star formation in UCM galaxies (Perez-Gonzalez+, 2003)  

NASA Astrophysics Data System (ADS)

We present the integrated properties of the stellar populations in the Universidad Complutense de Madrid (UCM) Survey galaxies. Applying the techniques described in the first paper of this series (Perez-Gonzalez et al., 2003, Cat. ), we derive ages, burst masses and metallicities of the newly formed stars in our sample galaxies. (1 data file).

Perez-Gonzalez, P. G.; Gil de Paz, A.; Zamorano, J.; Gallego, J.; Alonso-Herrero, A.; Aragon-Salamanca, A.

2006-01-01

292

Influence of Biological, Social and Psychological Factors on Abnormal Eating Attitudes among Female University Students in Brazil  

Microsoft Academic Search

The objective of the study was to estimate abnormal eating attitudes influenced by associated factors among female students of the Universidade Federal de Santa Catarina, Florianópolis, southern Brazil. Abnormal eating attitudes were investigated using the eating attitudes test (EAT-26), according to the presence (EAT+) and absence (EAT-) of symptoms in a sample of 220 students. The body-image was assessed by

Larissa Da Cunha Feio Costa; Francisco De Assis Guedes De Vasconcelos; Karen Glazer Peres

2010-01-01

293

De Joaquim Xirau a M. B. Cossío: dotze cartes i una targeta de visita  

Microsoft Academic Search

En este artículo se reproducen doce cartas y una tarjeta de visita que Joaquim Xirau remitió a Manuel Bartolomé Cossío entre 1920 y 1931. Se trata de una parte fragmentaria de la correspondencia que mantuvieron estos dos intelectuales de la España liberal, que porfiaron por la introducción de la pedagogía en la universidad durante el primer tercio del siglo XX.

Pilar Llopart

2003-01-01

294

Inserció laboral i empleabilitat en el marc de l'Espai Europeu d'Educació Superior: el ca s de la facultat de pedagogia de la Universitat de Barcelona  

Microsoft Academic Search

Desde la perspectiva de la convergencia europea, se realiza una aproximación conceptual a la inserción laboral y a la empleabilidad, que permita una delimitación y definición terminológicas, y se aportan los datos de una investigación dirigida a las personas graduadas en Pedagogía en la Universidad de Barcelona durante los cursos 2001-2002 y 2002-2003, incluyendo detalles sobre el diseño de la

Javier Ventura Blanco; Francesc Martínez Olmo

2007-01-01

295

Comunicación y participación política  

Microsoft Academic Search

El libro Comunicación y Participación Política, resultado de las actividades académicas desarrolladas por el Centro de Investigación en Comunicación Política de la Facultad de Comunicación Social del Externado en sus tres primeros años de funcionamiento, con el apoyo de la Universidad de Wisconsin-Madison y sus centros para la Comunicación y la Democracia y para el estudio de Latinoamérica, el Caribe

Irma B. Pérez; Dhavan V. Shah; Lewis A. Friedland; Ana María Miralles; Hernando Rojas; Eulàlia Puig-i-Abril

296

The discourse of interculturality and its transnational migration: towards a comparative analysis of its appropriation by academic and political actors in the state of Veracruz  

Microsoft Academic Search

This paper analyses the ways in which social and educational networks are being configured around the actors participating in the increasingly transnational field of intercultural education both at the Universidad Veracruzana Intercultural and the Veracruz State Ministry of Education. It starts by defining the notion of discursive migration as conceptual transformations that occur when particular discourses cross certain national as

Laura Selene Mateos Cortés

2009-01-01

297

El tránsito suave de la teoría económica a través de las relaciones Norte-sur en el área de población y desarrollo durante la Guerra Fría: el caso del  

Microsoft Academic Search

El artículo pretende evidenciar cómo el conocimiento económico producido en materia de población y desarrollo obedece al tránsito suave de la teoría económica que se desarrolla por medio de relaciones científicas entre el centro y la periferia, tomando el caso del Programa de Demografía del Centro de Estudios sobre Desarrollo Económico (CEDE) de la Universidad de los Andes. Estas relaciones

María Margarita Fajardo Hernández

2008-01-01

298

Entre metrópolis y periferias. Análisis de los movimientos migratorios a partir del censo de población de 1993  

Microsoft Academic Search

El Área de Demografía y Estudios de Población, del Centro de Investigaciones sobre Dinámica Social –CIDS– de la Universidad Externado de Colombia, definió como objetivo de una de sus Líneas estratégicas de investigación el análisis de los procesos migratorios en Colombia. Aunque la migración constituye un elemento central en la determinación del crecimiento, volumen y composición de la población, este

Alejandro González Pulido; Norma Rubiano

299

Investigaciones de Economía de la Educación 6  

Microsoft Academic Search

El artículo analiza las tendencias globales y particulares de los aranceles en las distintas carreras e instituciones universitarias chilenas. El sistema de educación superior en Chile es complejo y diverso, no sólo por las actividades realizadas por las universidades (docencia, investigación y extensión), sino también por la estructura de precios (aranceles) que cada una de ellas cobra a sus estudiantes.

Vìctor Salas Opazo

300

Procedimiento para la evaluación de la calidad universitaria en la enseñanza de pregrado  

Microsoft Academic Search

El movimiento hacia la calidad es un fenómeno mundial que adquiere cada vez mayor relevancia dada su influencia en, prácticamente, todas las esferas de la actividad humana; por ello, una universidad de excelencia, como a la que se aspira, tiene que centrar su atención en la constante elevación de la calidad de los procesos fundamentales que desarrolla: docencia, investigación y

Yosleidy Betancourt Agüero; Juan Carlos Mayo Alegre

2011-01-01

301

ECIS - Adaptacao para o sistema CDC CYBER. (ECIS - Adaptation to CDC CYBER system).  

National Technical Information Service (NTIS)

The implantation of ECIS computer code, elaborated for BOURROUGHS 6700 computer of USP (Universidade de Sao Paulo), in the CDC CYBER 170/730 computer is presented. The ECIS code calculates cross section by coupled channel method. Some problems were calcul...

R. P. K. Nair R. A. Rego B. J. K. Lemos

1981-01-01

302

EL OCIO LATINO Y EL TURISMO: COMENTARIOS CRÍTICOS  

Microsoft Academic Search

El siguiente trabajo trata sobre la revisión del capítulo I del clásico Historia del Turismo, escrito por el prestigioso investigador Miguel Khatchikian y publicado en el 2000 por la Universidad San Martín de Porres en Perú. Su obra trata con rigurosidad científica las diferentes etapas del turismo hasta la actualidad. Comprendido, además, que la Historia del turismo es la historia

Maximiliano Korstanje

2008-01-01

303

THE FLOW OF INFORMATION IN BRIAN ALDISS' SUPERTOYS LAST ALL SUMMER LONG AND ITS TRANSLATION INTO BRAZILIAN PORTUGUESE  

Microsoft Academic Search

This paper reports on an ongoing research project - CORDIALL (Corpus of Discourse for the Analysis of Language and Literature) - developed at Faculdade de Letras, Universidade Federal de Minas Gerais, which adopts an SFL approach to translation studies drawing on corpus evidence obtained through corpora and concordancing software. More specifically, it discusses an approach to the study of literary

Giacomo FIGUEREDO

304

PROCESAMIENTO DE IMÁGENES EN LA EDUCACIÓN DE POSTGRADO EN CIENCIAS MÉDICAS Y BIOLÓGICAS  

Microsoft Academic Search

RESUMEN El procesamiento de imágenes es una herramienta común para estudiar proble- mas científicos en muchas áreas diferentes, tales como la imagenología biomédica, televisión, las publicaciones electrónicas, tales como las páginas WEB y la multi- media. Existen muchos sistemas de tratamiento de imágenes en las universidades para la enseñanza a un nivel introductorio y en el nivel de postgrado. Muchos

JOSÉ MARTÍ ARIAS

305

Some Social Implications of Distance Education.  

ERIC Educational Resources Information Center

Social implications of distance education at the university level are considered, based primarily on the case of La Universidad Estatal a Distancia (UNED) of Costa Rica. UNED, which is Costa Rica's attempt to implement Great Britain's open university philosophy of education, was developed in response to the following needs: to provide…

Borden, George A.

306

Information Technologies in Higher Education: Lessons Learned in Industrial Engineering  

ERIC Educational Resources Information Center

|This article describes a teaching experience in which information and communication technologies were applied in five industrial engineering courses at the Universidad de Tarapaca in Chile. The paper compares the performance and course pass rates of the e-learning platform and portable pocket PC platform with those of the same courses teaching in…

Delgado-Almonte, Milagros; Andreu, Hernando Bustos; Pedraja-Rejas, Liliana

2010-01-01

307

Educational Research and Doctoral Dissertations: A Review within a Research Community  

ERIC Educational Resources Information Center

|This article presents some results arising from the meta-analysis of the educational research that has been developed at Universidade Nova de Lisboa (Portugal). The intention was to understand the status of the educational research produced, the main thematic trends studied, affiliated scientific domains, conceptual frames mobilized, and…

Alves, Mariana Gaio; Azevedo, Nair Rios; Goncalves, Teresa N. R.

2012-01-01

308

Avaliação de Processo de um Programa de Manejo de Estresse Ocupacional The Process Evaluation of an Occupational Stress Management Program  

Microsoft Academic Search

Resumo Este artigo descreve metas intermediárias alcançadas e atitudes dos participantes frente a um programa de manejo de estresse ocupacional. Participaram 74 funcionários de uma universidade, dos quais 42 foram designados para uma intervenção multimodal de manejo de estresse e 32 para um treinamento em habilidades sociais. Os resultados, coletados por medidas observacionais, evidenciaram que as metas intermediárias foram alcançadas

Sheila Giardini Murta

309

APRENDER A ENSINAR: OS SABERES DOCENTES NA CONSTRUÇÃO DA PRÁTICA DE ENSINO DOS ESTAGIÁRIOS DE MÚSICA Maria Cristina de Carvalho Cascelli de Azevedo  

Microsoft Academic Search

This paper intend to present and discuss my research in teacher education. The rese- arch is developmented in the post gradute program of music in the Universidade Federal do Rio Grande Sul. My goal is to investigate how the graduate students in inservice pro- grams desenvelop their practice in teatching music while they articulate e mobilizing their teatcher's knowledges. The

Liane Hentschke

310

The Education of the Active Televiewer of School Age.  

ERIC Educational Resources Information Center

|In response to a series of problem symptoms related to the influence of television on students, a team of professors at the Universidad de Playa Ancha de Ciencias de la Educacion in Chile undertook a project designed to train television viewers to become critical viewers of the medium. Specific objectives of the project included: (1) to design a…

Munoz, Patricio Calderon; Torres, Miguel Reyes

311

UCS-PROMOVE: The Engineer of the Future  

ERIC Educational Resources Information Center

|The Universidade de Caxias do Sul (UCS) elaborated the cooperative project called "The engineer of the future", with the objective of promoting science and engineering among high school teachers and students. This project aims to improve the quality of the teaching and to increase the interest of students in technological areas, leading to a…

Villas-Boas, V.

2010-01-01

312

Study of Seismic Clusters at Bahía de Banderas Region, Mexico  

Microsoft Academic Search

Given that the coast in the states of Jalisco and south of the state of Nayarit is located within a region of high seismic potential and also because population is increasing, perhaps motivated by the development of tourism, the Civil Defense authorities of Jalisco and the Centro de Sismología y Volcanología de Occidente-SisVOc of Universidad de Guadalajara started in the

F. J. Nunez-Cornu; M. Rutz-Lopez; C. Suarez-Plascencia; E. Trejo-Gomez

2010-01-01

313

String primer  

NASA Astrophysics Data System (ADS)

This is the written version of a set of introductory lectures to string theory. The lectures were given at the Universidad Autónoma de Madrid in the semester 1997/98 and at the VI Escuela de Otoño de Física Teórica, held in Santiago de Compostela (10-23 september 1998).

Alvarez, Enrique; Meessen, Patrick

1999-02-01

314

Evaluating Continuous Assessment Quality in Competence-Based Education Online: The Case of the E-Folio  

ERIC Educational Resources Information Center

Universidade Aberta (UAb), being a distance teaching university, is particularly suited to tackle some of the recommendations concerning the assurance of accessibility to education expressed in the "Education and Training 2010" goals. Meanwhile, the University's strategic plan for 2006/2010 decided to implement a fully virtual innovative teaching…

Pereira, Alda; Oliveira, Isolina; Tinoca, Luis; Amante, Lucia; Relvas, Maria de Jesus; Pinto, Maria do Carmo Teixeira; Moreira, Darlinda

2009-01-01

315

Competence Formation through Learning Objects in a Multiagent Virtual Educational Environment  

Microsoft Academic Search

The aim of this contribution is to present the work that the Universidad Industrial de Santander (UIS) is currently carrying out through the institutional project named ProSPETIC, designed to give support to academic programs using ICTs. The development is based on principles of the instructional engineering considering methods for the design, development and planning of the learning systems distribution that

C. I. Peña; S. E. Gómez; C. Mejía; Ramón Fabregat

2008-01-01

316

Comparison of techniques for tibial dyschondroplasia assessment in broiler chickens  

Microsoft Academic Search

This study was carried out at Faculdade de Medicina VeterinÆria e Zootecnia, Universidade Estadual Paulista, Botucatu, SP, Brazil, with the objective of evaluating the efficacy of four techniques in the assessment of tibial dyschondroplasia lesions in broiler chickens. Four hundred Cobb male chicks were reared from 1 to 39 days of age. At 39 days, forty birds were selected and

ICL Almeida Paz; AA Mendes; TS Takita; LC Vulcano; PC Guerra; FS Wechsler; RG Garcia; SE Takahashi; J Moreira; K Pelícia; CM Komiyama; RR Quinteiro

2005-01-01

317

Características da população infantil atendida em triagem no período de 2000 a 2002 numa clínica-escola Characteristics of children seen at a University Psychology clinic from 2000 to 2002  

Microsoft Academic Search

This paper describes the Psychology Applied Center experience from Faculdade de Psicologia da Universidade Federal de Uberlândia. It has aimed to identify, from 2000 to 2002 clinical infant data, children's epidemiological and clinical characteristics, considering reception process. Important aspects from the 139 cases had been analyzed in terms of incidence (percentages) and revised trough case supervision sessions. These analysis have

Sandra Augusta de MELO; Cristine Castro; Silva PERFEITO

318

Curriculum@UA - online xml based personal curriculum  

Microsoft Academic Search

This paper describes a project in development at Universidade de Aveiro concerning online filling and central storage of researchers' curriculum vitae (CV). This system enables anyone to have an up to date CV always avail- able for use anywhere. The major features in this site are its use of XML as the storage format for each individual CV and PDF

C. Teixeira; J. S. Pinto; J. Santos

319

Ten Years of Cybertech: The Educational Benefits of Bullfighting Robotics  

ERIC Educational Resources Information Center

|After 10 years of organizing the Cybertech robotics competition, this paper presents this unique and innovative educational experience of teaching engineering at Universidad Politecnica de Madrid (UPM), Spain. Cybertech is not only a well-known robotic contest in Spain due to the "Robotaurus" bullfighting, but is also a whole academic activity…

Hernando, M.; Galan, R.; Navarro, I.; Rodriguez-Losada, D.

2011-01-01

320

Estado nutricional em zinco e teste de acuidade do paladar em crianças de baixa estatura familiar Zinc nutritional status and taste acuity test in familial short stature children  

Microsoft Academic Search

Objetivos: Avaliar o estado nutricional em zinco e a percepção do paladar (salgado, doce, ácido e amargo) em crianças de baixa estatura familiar. Métodos: Estudo transversal de 30 crianças sem sinais de puberdade, pacientes do ambulatório de crescimento da Universidade Federal de São Paulo. A ingestão dietética foi avaliada pelo método do Registro Alimentar. Para o teste de acuidade do

Andréa G. Marques; Luiz A. Lopes; Olga M. S. Amancio

321

Astronomy Education and Popularization Facilities at Guanajuato University in Mexico  

Microsoft Academic Search

At the Astronomy Department of Universidad de Guanajuato, 400 km NW of Mexico City, nine professional astronomers do research and teaching at both graduate and undergraduate level. In addition, in the last few years, this group has carried out astronomy popularization activities at three different sites. First, a rudimentary observatory named \\

H. Bravo-Alfaro; K.-P. Schroeder; L. Ramirez

2006-01-01

322

El chisme y las representaciones sociales de género y sexualidad  

Microsoft Academic Search

Este documento es resultado de una investigación realizada con estudiantes adolescentes que cursan el nivel medio superior en la Universidad Autónoma Chapingo (UACH), la cual imparte ingenierías en ciencias agronómicas y afines. El número de estudiantes varones es prácticamente tres veces superior al de las mujeres y ambos conviven en sus actividades escolares de tiempo completo. El objeto del trabajo

MARÍA EUGENIA; CHÁVEZ ARELLANO; VERÓNICA VÁZQUEZ GARCÍA; AURELIA DE LA ROSA REGALADO

323

Personnel for Health Care: Case Studies of Educational Programmes, Volume 2.  

ERIC Educational Resources Information Center

|A compilation of case studies of training programs for health personnel consists of nonevaluative descriptions of innovative efforts. Contents include: The University of New Castle, New South Wales, Australia: Developing a New Medical School (D. Maddison); Universidad del Valle, Cali, Colombia: Dental Manpower Training (R. Guerrero, C. Tasama);…

Katz, F. M., Ed.; Fulop, T., Ed.

324

Caveats of an English Conversation Club.  

ERIC Educational Resources Information Center

|Describes an English conversation club that was initiated at the Universidad del Valle in Cali, Colombia. Suggests ways in which other university communities can better serve their English-speaking populations by creating a similar English conversation club. (Author/VWL)|

Simpson, JoEllen; Ossa, Carlos E.; Rutter, Frank P.

1999-01-01

325

First report of vancomycin-resistant enterococcus faecalis in Uberaba, Minas gerais state  

PubMed Central

In this study we report the first isolation of VanA-type vancomycin-resistant Enterococcus faecalis strains from two different patients hospitalized in the same intensive care unit at the hospital of Universidade Federal do Triângulo Mineiro (UFTM), Uberaba, Minas Gerais, Brazil.

Conceicao, Natalia; da Costa Darini, Ana Lucia; Palazzo, Izabel Cristina Vanzato; de Oliveira, Cristina da Cunha Hueb Barata; de Oliveira, Adriana Goncalves

2010-01-01

326

First report of vancomycin-resistant enterococcus faecalis in Uberaba, Minas gerais state.  

PubMed

In this study we report the first isolation of VanA-type vancomycin-resistant Enterococcus faecalis strains from two different patients hospitalized in the same intensive care unit at the hospital of Universidade Federal do Triângulo Mineiro (UFTM), Uberaba, Minas Gerais, Brazil. PMID:24031460

Conceição, Natália; da Costa Darini, Ana Lúcia; Palazzo, Izabel Cristina Vanzato; de Oliveira, Cristina da Cunha Hueb Barata; de Oliveira, Adriana Gonçalves

2010-03-01

327

Choosing a Field: How Graduate Student Choices of Field Sites Reflect Different Ideas of "Real" Anthropology in Colombia and the United States  

ERIC Educational Resources Information Center

This paper examines the decisions and motivations of graduate students in cultural anthropology when defining the field sites and topics of their final projects. The decisions among students at the Universidad de los Andes in Colombia are contrasted with those at the University of Pittsburgh in the United States. A review of recent final projects…

Macia, Laura

2012-01-01

328

Physics of Active Galactic Nuclei at all Scales  

NASA Astrophysics Data System (ADS)

This workshop was held at ESO/Vitacura on December 3-6, 2003, and organised by Danielle Alloin, Poshak Gandhi, Rachel Johnson, Paulina Lira, Sebastian Lopez, Jose Maza, with support from the European Southern Observatory, FONDAP/Conycit, and the Universidad Chile.

Alloin, D.

2004-03-01

329

Corpus Linguistics, Network Analysis and Co-Occurrence Matrices  

ERIC Educational Resources Information Center

|This article describes research undertaken in order to design a methodology for the reticular representation of knowledge of a specific discourse community. To achieve this goal, a representative corpus of the scientific production of the members of this discourse community (Universidad Politecnica de Valencia, UPV) was created. This article…

Stuart, Keith; Botella, Ana

2009-01-01

330

Benchmarking in European Higher Education: A Step beyond Current Quality Models  

ERIC Educational Resources Information Center

|This paper presents the findings of a two-year EU-funded project (DG Education and Culture) "Benchmarking in European Higher Education", carried out from 2006 to 2008 by a consortium led by the European Centre for Strategic Management of Universities (ESMU), with the Centre for Higher Education Development, UNESCO-CEPES, and the Universidade de…

Burquel, Nadine; van Vught, Frans

2010-01-01

331

Internet, Multimedia and Virtual Laboratories in a 'Third World' Environment.  

ERIC Educational Resources Information Center

Describes the development of low-cost multimedia courses and materials for use on the Internet, as well as virtual laboratories, at the Universidad Estatal a Distancia (Costa Rica). Explains how simultaneous production of traditional printed materials and online courses, outsourcing, and the use of HTML and Java can reduce costs for developing…

Monge-Najera, Julian Antonio; Rivas Rossi, Marta; Mendez-Estrada, Victor Hugo

2001-01-01

332

Developing Student Critical Thinking Skills through Teaching Psychology: An Interview with Claudio S. Hutz.  

ERIC Educational Resources Information Center

Presents an interview with Claudio S. Hutz, who is dean of Instituto de Psicologia at Universidade Federal do Rio Grande do Sul in Porto Alegre, Brazil, where he has been teaching psychology since 1977. Discusses topics such as teaching psychology in Brazil and developing critical thinking skills. (CMK)

McCarthy-Tucker, Sherri

2001-01-01

333

Comparison between two simulation techniques and measurement results for ultra wideband indoor radio channels  

Microsoft Academic Search

Two three-dimensional simulation techniques (Polyhedral Beam Tracing and Finite Difference Time Domain) for modeling an ultra wideband (850 MHz) indoor radio channel are compared among themselves and with experimental data. Measurements were performed within a typical hall (indoor) scenario at Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio) to extract channel parameters such as the power delay profiles. I. INTRODUCTION

F. J. B. Barros; L. A. R. Ramirez; E. Costa; F. J. V. Hasselmann; G. L. Siqueira

2011-01-01

334

Environmental History of Latin America: Bibliography  

NSDL National Science Digital Library

Historical environmentalists from Stanford University and Universidade Federal Flumeinense have compiled this online bibliography on the environmental history of Latin America. The bibliography features more than 300 references including current "articles, books, videos and WebPages in English, Spanish and Portuguese."

335

Brazilian Electronic Journal of Economics (BEJE)  

NSDL National Science Digital Library

The Brazilian Electronic Journal of Economics is published by the Department of Economics, Universidade Federal de Pernambuco, Brazil. The aim of the journal is to publish original articles in the areas of "economics of the Internet, network economics, and economics of information." The site provides the full text of the articles in the journal.

1997-01-01

336

Infecção natural por Trypanosoma evansi em cães  

Microsoft Academic Search

The present paper describes cases of natural infection by Trypanosoma evansi in dogs that eventually died in Uruguaiana, in the southern Brazilian state of Rio Grande do Sul, Brazil. The animals from the rural zone were admitted to the Pontifícia Universidade Católica do Rio Grande do Sul (PUC-RS) Veterinary Hospital presenting the following clinical signs: apathy, fever and enlargement of

Cristina Braccini Colpo; Silvia Gonzalez Monteiro; Daniel Roulim Stainki; Elida Teresita Braccini Colpo; Graciela Braccini Henriques

2005-01-01

337

CARACTERÍSTICAS QUALIT ATIVAS DE GENÓTIPOS DE CEBOLA Qualitative characteristics of onion genotypes  

Microsoft Academic Search

The aim of this work was to evaluate some attributes of quality of different genotypes of onion (Allium cepa L.), cultivated in Mossoró-RN. The experiment was carried out in the vegetable garden of Plant Science Department at Universidade Federal Rural do Semi-Árido. The experimental outline was of randomized complete blocks with four replications. The treatments were constituted by the genotypes

Leilson Costa Grangeiro; Jean de Oliveira Souza; Edna Maria Mendes Aroucha; Glauber Henrique de Sousa Nunes; Gilmara Mabel Santos

338

Internet, Multimedia and Virtual Laboratories in a 'Third World' Environment.  

ERIC Educational Resources Information Center

|Describes the development of low-cost multimedia courses and materials for use on the Internet, as well as virtual laboratories, at the Universidad Estatal a Distancia (Costa Rica). Explains how simultaneous production of traditional printed materials and online courses, outsourcing, and the use of HTML and Java can reduce costs for developing…

Monge-Najera, Julian Antonio; Rivas Rossi, Marta; Mendez-Estrada, Victor Hugo

2001-01-01

339

ENSINO DE BEM-ESTAR ANIMAL NOS CURSOS DE MEDICINA VETERINÁRIA E ZOOTECNIA MEDICINA VETERINÁRIA  

Microsoft Academic Search

RESUMO - Atualmente é essencial que médicos veterinários e zootecnistas aprendam durante a graduação as bases conceituais do bem-estar animal (BEA) e suas principais aplicações. O objetivo desta revisão é abordar questões relacionadas ao ensino do BEA, com ênfase na situação brasileira, discutindo os desafios e as possibilidades de aprimoramento. Embora recente, o ensino de BEA nas universidades brasileiras apresentou

Carla Forte; Maiolino MOLENTO

340

Avaliação do padrão de sono dos profissionais de Enfermagem dos plantões noturnos em Unidades de Terapia Intensiva Evaluation of the sleep pattern in Nursing professionals working night shifts at the Intensive Care Units  

Microsoft Academic Search

objective: This study aimed to assess the quality of sleep and verify the presence of excessive daytime somnolence in Nursing professionals working night shifts at the Intensive Care Units of the Central Institute of Hospital das Clínicas da Faculdade de Medicina da Universidade de São

Juliana Inhauser; Acioli Barboza; Edvaldo Leal de Moraes; Eloísa Aparecida Pereira; Rubens Nelson; Amaral de Assis

341

Evaluation of the sleep pattern in Nursing professionals working night shifts at the Intensive Care Units Avaliação do padrão de sono dos profissionais de Enfermagem dos plantões noturnos em Unidades de Terapia Intensiva  

Microsoft Academic Search

Objective: This study aimed to assess the quality of sleep and verify the presence of excessive daytime somnolence in Nursing professionals working night shifts at the Intensive Care Units of the Central Institute of Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo. Methods: Seventy-five Nursing professionals were evaluated: 33% were registered nurses and 66% were licensed

Juliana Inhauser; Acioli Barboza; Edvaldo Leal de Moraes; Eloísa Aparecida Pereira; Rubens Nelson; Amaral de Assis

342

Power Law Distribution in Education  

Microsoft Academic Search

We studied the statistical distribution of candidate's performance which is measured through their marks in university entrance examination (Vestibular) of UNESP (Universidade Estadual Paulista) for years 1998, 1999, and 2000. All students are divided in three groups: Physical, Biological and Humanities. We paid special attention to the examination of Portuguese language which is common for all and examinations for the

Hari M. Gupta; José R. Campanha; Fernando D. Prado

2000-01-01

343

Power Law Distribution in Education  

Microsoft Academic Search

We studied the statistical distribution of student's performance, which is measured through their marks, in university entrance examination (Vestibular) of UNESP (Universidade Estadual Paulista) with respect to (i) period of study-day versus night period (ii) teaching conditions - private versus public school (iii) economical conditions - high versus low family income. We observed long ubiquitous power law tails in physical

Hari M. Gupta; José R. Campanha; Fábio R. Chavarette

2003-01-01

344

Distance Education Research.  

ERIC Educational Resources Information Center

Reviews six papers from the Open University Distance Education Research Group which cover the following topics: the credibility of distance education, admission systems, distance methods in adult basic education, the Universidad Estatal a Distancia (Costa Rica), Radio Ecca (Canary Islands), and the Open University (Great Britain). (EAO)

Curran, Chris

1983-01-01

345

Experience and recommendations for distributed software development  

Microsoft Academic Search

The following position paper outlines a software development course project for a semester long class on distributed software development. The developed application was an Android based facial recognition application which returned the name and contact information of people in a picture. Students from Iowa State University in the US, Jilin University in China, and the Federal Universidade da Bahia in

Patrick Carlson; Nan Xiao

2012-01-01

346

Project Based Learning activities as a means of adapting conventional curricula to the demands of the 21st century aeronautical engineer  

Microsoft Academic Search

In this paper we report the process of designing and building the EYEFLY 1, a real UAS platform which has just performed its maiden flight. For the development of this aircraft, 30 groups of students from successive years at the Escuela Universitaria de Ingeniería Técnica Aeronáutica (EUITA) of the Universidad Politécnica de Madrid (UPM) carried out their compulsory End of

J. M. Holgado-Vicente; M. A. Barcala-Montejano; F. Gandia-Aguera; A. A. Rodriguez-Sevillano

2012-01-01

347

One-point fitting of the flux density produced by a heliostat  

Microsoft Academic Search

Accurate and simple models for the flux density reflected by an isolated heliostat should be one of the basic tools for the design and optimization of solar power tower systems. In this work, the ability and the accuracy of the Universidad de Zaragoza (UNIZAR) and the DLR (HFCAL) flux density models to fit actual energetic spots are checked against heliostat

Francisco J. Collado

2010-01-01

348

Computer-based Didactic Unit based on a simulator for the process of simple and fractioned distillation in the context of the education learning of Chemistry - UDQuim  

Microsoft Academic Search

This article contains the general description of the Computer-based Didactic Unit based on a simulator for the process of simple and fractioned distillation in the context of the education learning of Chemistry - UDQuim developed from the work of the research group Metis, of Universidad Distrital Francisco José of Caldas. The Computer-based Didactic Unit based on a simulator for the

J. C. Guevara Bolaños; A. García Martínez; C. S. Cruz Aguilar; A. Sánchez Lozano

349

REDE DE DINAMIZAÇÃO DAS FEIRAS DA AGRICULTURA FAMILIAR – REDIFEIRA: UMA ALTERNATIVA PARA A INCLUSÃO SOCIOECONÔMICA DAS FAMÍLIAS RURAIS  

Microsoft Academic Search

A Rede de Dinamização das Feiras da Agricultura Familiar – REDIfeira, projeto integrante do Programa de Extensão Universitária – Universidade Sem Fronteiras, da Secretaria de Ciência, Tecnologia e Ensino Superior (SETI) do Governo do Estado do Paraná, tem como objetivo, dinamizar a produção e a comercialização dos produtos produzidos pela Agricultura Familiar nos municípios do Programa de Desenvolvimento da Região

Ednaldo Michellon; Tiago Ribeiro Costa; Gisiane July Stroher; Lucas Souza Camacho; Paulo Sipoli Pereira

2008-01-01

350

Realidade na F Realidade na Formação Médica: o (Des)encanto do Estudante de Medicina ormação Médica: o (Des)encanto do Estudante de Medicina ormação Médica: o (Des)encanto do Estudante de Medicina ormação Médica: o (Des)encanto do Estudante de Medicina ormação Médica: o (Des)encanto do Estudante de Medicina Expectation versus Reality on Medical Training: the (Des)illusion of the Medstudents  

Microsoft Academic Search

A faculdade de Medicina é o sonho de muitos estudantes do ensino médio. Entretanto, a utopia da universidade muitas vezes não se concretiza, surgindo decepções ao longo da graduação médica. O objetivo deste trabalho é identificar as expectativas e possíveis desapontamentos dos estudantes de Medicina em relação ao curso de graduação médica, além de analisar em que fases do curso

Nedy Neves; Kleuber Lemos; Almir Bitencourt; Flávia Serra Neves; Caio Nunes; Iuri Neville; André Kuwano; Larissa Durães

2006-01-01

351

Avaliação das normas de biossegurança nas clínicas odonto- lógicas da UFPE Evaluation of biosecutrity norms in UFPE dental clinics  

Microsoft Academic Search

Key-words O objetivo deste trabalho foi observar o cumprimento das normas de biossegurança e os cuidados com os riscos ocupacionais pelos alunos que atenderam nas clínicas de Odontologia Preventiva, Odontopediatria, Dentística, Endodontia e nos procedimentos cirúrgicos nas clínicas de Periodontia e Cirurgia, da Faculdade de Odontologia da Universidade Federal de Pernambuco. Este trabalho consistiu em um estudo observacional, no qual

Márcia Maria; Vendiciano Barbosa Vasconcelos; Catarina da Mot; Vasconcelos Brasi; Cláudia Cristina; Brainer de Oliveira Mot; Rabelo de Carvalho

352

Educating and Training Undergraduate Applied Statisticians.  

ERIC Educational Resources Information Center

|A course on Applied Statistics, offered since 1978 at the Instituto de Matematica e Estatistica, Universidade de Sao Paulo, Brasil, is designed to educate statisticians at the bachelor's level for jobs in government statistical offices, industry, and business. (Author/LMO)|

Peres, Clovis A.; And Others

1985-01-01

353

Piercing the Bubble: How Management Students Can Confront Poverty in Colombia  

ERIC Educational Resources Information Center

|This article describes the current relationship between management education in Colombia and the efforts of the management program at Universidad Pontificia Bolivariana (UPB) in Medellin to reduce local poverty. The article uses the metaphor of "the bubble" to illustrate how social class, family socialization, and the current UPB management…

Rosenbloom, Al; Cortes, Juan Alejandro

2008-01-01

354

Development of Enhanced Performance Tunable RF Materials and Devices for On The Move (OTM) Communication Systems.  

National Technical Information Service (NTIS)

This report summarizes the different experiments performed in the Universidad Autonoma de Ciudad Juarez (UACJ) and the University of Texas at El Paso (UTEP) to begin a new line of study for our community in radar materials. Radars require materials that h...

C. A. Martinez-Perez D. Zubia J. J. Mireles P. E. Garcia-Casillas

2010-01-01

355

Normal form reduction for time-periodically driven differential equations  

NASA Astrophysics Data System (ADS)

We present a global characterisation for the normal form of a time-periodically driven differential equation describing the behaviour of a physical system in the neighborrhood of a multiple instability. On leave from Universidad de Chile, Facultad de Ciencias Fisicas y Matematicas, Dept. de Fisica, Santiago, Chile.

Elphick, C.; Iooss, G.; Tirapegui, E.

1987-03-01

356

Entropy functionals associated to shifts dynamical systems  

NASA Astrophysics Data System (ADS)

We construct entropy functionals which discriminate the measures which converge to equilibrium in the case of shifts dynamical systems. In particular for K-shifts it is proved that some functionals associated to them decrease monotonically to zero. On leave of absence from Departamento de Física, Facultad de Ciencias Físicas y Matemáticas, Universidad de Chile.

Martinez, S.; Tirapegui, E.

1983-12-01

357

Loop effects in ?-->?+?-?  

NASA Astrophysics Data System (ADS)

We show that the incorporation of the model consisting of a loop of charged kaons in the description of the ?-->ƒ;0? decay has important effects on the expected signal to background ratio for e+e--->?(?)-->?+?-?. On leave of absence from Escuela Ciencias Físico-Matemáticas, Universidad Autónoma de Sinaloa.

Lucio, J. L. M.; Napsuciale, M.

1994-07-01

358

Trauma ocular ocupacional por corpo estranho superficial  

Microsoft Academic Search

Objetivo: Estudar a ocorrência de trauma ocular provocado por corpos estranhos superficiais durante a realização de atividades ocupacionais. Métodos: Estudo prospectivo de pacientes portadores de trauma ocular ocupacional atendidos no serviço de urgência do Hospital Getúlio Vargas (HGV) \\/ Universidade Federal do Piauí (UFPI), no período de outubro de 1997 a março de 1999. Os seguintes dados foram coletados: idade,

Fernando Antônio de Macedo Leal; Arthur Pereira da Silva e Filho; Daniela Martins Neiva; Josilene Carvalho Soares Learth; Durwagner Barros da Silveira

2003-01-01

359

Evaluation of Engineering Education: a Case Study based on the Experience of the Polytechnic School of the University of São Paulo  

Microsoft Academic Search

The process of evaluation of engineering education currently applied at the Polytechnic Scho ol of the University of São Paulo (EPUSP - Escola Politéc nica da Universidade de São Palo) in Brazil is presented in this article. This process presents a major differe nce concerning traditional ways of evaluation; it takes into account the effective participation of the students in

Giuliano Olguin; Haydée Svab; Ana Cecília Rodrigues; Henrique Gaspar; Clarice Aiello; André Antunha

360

Reflection on the Role of Artists: A Case Study on the Hidden Visual Curriculum of the School of the Art Institute of Chicago  

ERIC Educational Resources Information Center

In 2005, Maria Acaso, professor in Art Education at the Universidad Complutense Madrid in Spain and a co-author of this article, conducted a comparative research project on visual configurations at different art schools in Europe and the United States. The study of hidden visual curriculum examines how knowledge and cultural/political/social…

Baker, Marissa H.; Ng-He, Carol; Lopez-Bosch, Maria Acaso

2008-01-01

361

NÍVEIS DE INGESTÃO DE ALIMENTOS E DE URÉIA EM BOVINOS ALIMENTADOS COM DIETAS À BASE DE CANA - DE - AÇÚCAR SUPLEMENTADA COM FARELO DE ARROZ - EFEITOS SOBRE ALGUNS PARÂMETROS RUMINAIS  

Microsoft Academic Search

MATOS, N. J. M.; CASTRO, A. C. G.; SILVA, J. F. C. da; QUEIROZ, A. C.; VALADARES FILHO, S. C.; CAMPOS, O. F. de; CARNEIRO, H. Revista Universidade Rural: Série Ciências da Vida, Seropédica, RJ: EDUR, v.23, n.1, p. 81-88, jan.- jun., 2003. This study aimed to estimate the effects of different levels of feed intake and urea on rumen

NELSON JORGE; MORAES MATOS; ANTÔNIO CARLOS; GONÇALVES CASTRO; JOSÉ FERNANDO COELHO DA SILVA; AUGUSTO CÉSAR QUEIROZ; SEBASTIÃO CAMPOS; VALADARES FILHO; ORIEL FAJARDO DE CAMPOS; HELOÍSA CARNEIRO

2003-01-01

362

Summative Self-Assessment in Higher Education: Implications of Its Counting towards the Final Mark  

ERIC Educational Resources Information Center

|Introduction: Our study aims at assessing the validity of summative criteria-referenced self-assessment in higher education, and in particular, if that validity varies when the professor counts self-assessment toward the final mark. Method: One hundred and twenty-two first year students from two groups in Teacher Education at the Universidad de…

Tejeiro, Ricardo A.; Gomez-Vallecillo, Jorge L.; Romero, Antonio F.; Pelegrina, Manuel; Wallace, Agustin; Emberley, Enrique

2012-01-01

363

Fabrication of Optical Fiber Devices  

NASA Astrophysics Data System (ADS)

In this paper we present the main research activities of the Laboratorio de Fibras Opticas del Instituto de Ciencia de los Materiales de la Universidad de Valencia. We show some of the main results obtained for devices based on tapered fibers, fiber Bragg gratings, acousto-optic effects and photonic crystal fibers.

Andres, Miguel V.

364

MEGARA optical design: the new integral field unit and multi-object spectrograph for the GTC 10m telescope  

NASA Astrophysics Data System (ADS)

We describe the optical design of MEGARA, the future optical Integral Field Unit (IFU) and Multi-Object Spectrograph (MOS) for the 10.4-m Gran Telescopio CANARIAS (GTC). MEGARA is being built by a Consortium of public research institutions led by the Universidad Complutense de Madrid (UCM, Spain) that also includes INAOE (Mexico), IAA-CSIC (Spain) and UPM (Spain).

García-Vargas, María. Luisa; Sánchez-Blanco, Ernesto; Carrasco, Esperanza; Gil de Paz, Armando; Páez, Gonzalo; Pérez, Ana; Gallego, Jesús; Sánchez, Francisco; Vílchez, José M.

2012-12-01

365

Topic 101: Eleven Campuses, One University, Many Strikes  

ERIC Educational Resources Information Center

|Students from the University of Puerto Rico (UPR) went on strike in April, and, soon after, 10 of the 11 campuses of a public system with more than 60,000 students were closed. "Once recintos, una universidad" (eleven campuses, one university) was the maxim students used to emphasize the concept of the UPR as a system unified by similar goals,…

Navarro-Rivera, Pablo

2010-01-01

366

A Course on Experimental Design for Different University Specialties: Experiences and Changes over a Decade  

ERIC Educational Resources Information Center

We analyse the origin and development of an Experimental Design course which has been taught in several faculties of the Universidad de la Republica and other institutions in Uruguay, over a 10-year period. At the end of the course, students were assessed by carrying out individual work projects on real-life problems, which was innovative for…

Martinez Luaces, Victor; Velazquez, Blanca; Dee, Valerie

2009-01-01

367

"Design for All in the Context of the Information Society": Integration of a Specialist Course in a Generalist M.Sc. Program in Electrical and Electronics Engineering  

ERIC Educational Resources Information Center

|This paper describes an educational research experience that took place in the Electrical & Electronics Engineering Master's program offered at the Escuela Universitaria de Ingenieria Tecnica de Telecomunicacion, Universidad Politecnica de Madrid, Madrid, Spain. The focus is to provide details of the motivation behind and the design and…

Godino-Llorente, J. I.; Fraile, R.; Gonzalez de Sande, J. C.; Osma-Ruiz, V.; Saenz-Lechon, N.

2012-01-01

368

TERAPIA PERIODONTAL BÁSICA EN PACIENTES DE BAJOS RECURSOS CON PERIODONTITIS CRÓNICA  

Microsoft Academic Search

Objetive: To compare clinical and microbiologic changes over microflora subgingival in low income patients with chronic periodontitis who received treatment with hand instrumentation with or without ultrasound therapy. Method. An experimental study was designed, a total of 19 voluntarie patients with chronic periodontitis from Universidad Cooperativa de Colombia - Pasto Dentistry School Clinical Center were included at it. Results: After

Virginia Cerón Souza; Ana Cristina Mafla-Chamorro; Claudia Elena Moncayo-Jurado

2008-01-01

369

"LiveUSB Mediated Education": A Method to Facilitate Computer Supported Education  

ERIC Educational Resources Information Center

|In this paper the authors analyse the design and implementation of a course about learning management systems (LMS). The course was first given in Cuba and then in Guatemala and Peru, within the project USo+I: "Universidad, Sociedad e Innovacion, Mejora de la pertinencia de la educacion en las ingenierias de Latinoamerica" financed by the…

Garrote, Ramon; Pettersson, Tomas; Christie, Michael

2011-01-01

370

What Is Educational Technology?  

ERIC Educational Resources Information Center

|Featured in this issue are the English translations of two speeches delivered to graduate students in educational technology at Pontificia Universidade, Porto Alegre, Brazil. Henry Ingle defines educational technology in the traditional as well as modern sense, describes its essential elements, and discusses situations in which the use of…

Ingle, Henry T.

1975-01-01

371

Development of projects by clinical biomedical engineering students  

Microsoft Academic Search

The Universidad Autonoma Metropolitana-Iztapalapa (UAMI) has a biomedical engineering academic program with a track in clinical engineering. The clinical engineering students must initiate a project linked to the healthcare environment as one of the requirements to conclude the academic program. The objective of this work is to show the teaching-learning strategies used in the relationship between the student and the

M. R. Ortiz-Posadas; M. R. Ortiz-Pedroza; F. M. Martinez-Licona; M. T. Garcia-Gonzalez; M. J. Gaitan-Gonzalez

2003-01-01

372

De las capacidades dinámicas como enfoque de la estrategia a la integración de competencias para la construcción de un entorno colaborativo Univ - Emp  

Microsoft Academic Search

Este artículo intenta mostrar la importancia de avanzar de un enfoque de capacidades dinámicas a uno de competencias, para construir una estrategia de entornos colaborativos que permita aprovechar los esfuerzos y las oportunidades de la relación universidad- empresa. Para tal fin, el documento está organizado en tres partes: la primera, es una revisión amplia de las perspectivas desde las cuales

Patricia Roncancio R

2011-01-01

373

The LBL\\/AGMEF\\/JSU El Yunque Environmental Research Initiative  

Microsoft Academic Search

The LBL\\/AGMEF\\/JSU Environmental Research Initiative has had several noteworthy successes. Faculty and student development is apparent. A research project involving atmospheric aerosol sampling was established at Universidad Metropolitana under Prof. Fernando Diaz. A National Science Foundation grant received to expand upon that project. Review of analyses carried out since 1986 supports the original view that El Yunque peak on the

R. L. Dod; F. Diaz; L. Feliu; C. D. Parker

1989-01-01

374

Meditation in health: an operational definition  

Microsoft Academic Search

Despite its evergrowing use in health-related areas, procedures characterized as meditation have been little or not at all defined operationally, which hinders its use in a standardized manner. In the present study, the authors present a possible operational definition of meditation, which has been used in social and academic projects, developed in Universidade Federal de São Paulo. In this proposal,

Roberto Cardoso; Eduardo de Souza; Luiz Camano; José Roberto Leite

2004-01-01

375

FATE OF METHYLTESTOSTERONE IN THE POND ENVIRONMENT: DETECTION OF MT IN POND SOIL FROM A CRSP SITE  

Microsoft Academic Search

The following study examined the persistence of 17?-methyltestosterone (MT) in the environment after its use for masculin- izing Nile tilapia in nursery ponds at two CRSP sites: Sagana Fish Farm, Kenya, and the Universidad Juárez Autónoma de Tabasco (UJAT), Mexico. Fry were treated with a masculinizing dose of MT (60 mg kg -1 ) for four weeks beginning at the

Wilfrido M. Contreras-Sánchez; Martin S. Fitzpatrick; Carl B. Schreck

376

DERECHO E INNOVACIÓN METODOLÓGICA PARA LA ADQUISICIÓN DE LAS COMPETENCIAS Y HABILIDADES EN EL TITULO DE GRADO EN TRABAJO SOCIAL  

Microsoft Academic Search

El artículo presenta, en primer lugar, la estrecha relación entre el Derecho y el Trabajo Social y, en segundo lugar, la metodología innovadora en la docencia de las prácticas curriculares del Titulo de Grado de Trabajo Social de la Universidad de Murcia que aglutina la cooperación docente, profesional e institucional. El objetivo del Titulo es formar profesionales preparados para desarrollar

Enrique Pastor Seller

2011-01-01

377

Qualidade de Vida, Apoio Social e Depressão em Idosos: Relação com Habilidades Sociais Quality of Life, Social Support and Depression of the Elderly: Relation with Social Abilities  

Microsoft Academic Search

Resumo Estudos atuais apontam que a capacidade de interagir socialmente é fundamental para o idoso, a fim de que este possa conquistar e manter apoio social e garantir melhor qualidade de vida. O presente estudo teve como objetivo investigar as habilidades sociais, o apoio social, a qualidade de vida e a depressão de idosos da Universidade Aberta da Terceira Idade

Rachel Shimba Carneiro; Eliane Falcone; Cynthia Clark; Almir Del Prette

378

Some research questions and results of UC3M in the eMadrid excellence network  

Microsoft Academic Search

Universidad Carlos III de Madrid is one of the six main participating institutions in the eMadrid excellence network, as well as its coordinating partner. In this paper, the network is presented together with some of the main research lines carried out by UC3M. The remaining papers in this session present the work carried out by the other five universities in

Carlos Delgado Kloos; Abelardo Pardo; Mario Muñoz Organero; M. B. Iba?ñez; R. Crespo; P. M. Merino; L. de la Fuente; D. Leony; I. Gutie?rrez

2010-01-01

379

N = 2 coset theories and four-dimensional heterotic strings  

NASA Astrophysics Data System (ADS)

The construction of heterotic string compactifications based on tensoring of N = 2 superconformal coset theories is discussed. In particular, discrete symmetries of the superconformal blocks are used to obtain (0,2) and left-right asymmetric models. Address after October 1st, 1969: Depto. de Fisica, Faculted de Ciencias, Universidad Central de Venezuela, Aptdo. 20513, Caracas 1920-A, Venezuela.

Font, Anamaría

1990-08-01

380

Reviews of books  

Microsoft Academic Search

Satire in Colonial Spanish America: Turning the New World Upside Down. By Julie Greer Johnson. Austin: University of Texas Press, 1993. Pp. xvii, 224.La Araucana. Por Alonso De Ercilla Y Zuniga. Edición de Isaias Lerner. Madrid: Editorial Cátedra, 1993. Pp. 1026.Diente del Parnaso (Manuscrito de la Universidad de Yale). Por Juan Del Valle Y Caviedes. Edición, introducción y notas de

Pedro Lasarte; Daniel Torres; Isaías Lerner; Michael T. Hamerly; Nina M. Scott; Teófilo F. Ruiz

1995-01-01

381

Tomography of the subducting Cocos plate in central Mexico using data from the installation of a prototype wireless seismic network: Images of a truncated slab  

NASA Astrophysics Data System (ADS)

The central Mexican subduction zone exhibits an oblique strike of the volcanic arc, the Trans-Mexican Volcanic Belt (TMVB), with respect to the trench, flat-slab subduction, and has no Wadati-Benioff zone. The oblique strike of the TMVB is explained by the changing rate of subduction at the trench. The shape of the slab beyond the flat slab section has been unknown until now due to a lack of seismicity, but inferred by the position of the volcanic arc. Here we use data from the Middle America Seismic Experiment (MASE) to image the slab both with tomography and inverting for a slab temperature model. MASE is a collaboration between the Center for Embedded Networked Sensing (CENS) at UCLA, the Universidad Nacional Autonoma de Mexico (UNAM), and the California Institute of Technology (CIT). The data used in this study was from the MASE seismic network. It consisted of 100 seismic stations running, in a line, every 5-6 km from Acapulco, north through TMVB, and to almost the Gulf of Mexico. Half of the seismic stations were the typical standalone style station. These stations were visited once a month to change memory disks and for maintenance. The other 50 stations were developed to send data wirelessly through the network to a base station where the data is linked to the Internet. The 50 stations, called the Wirelessly Linked Seismological Network (WiLSoN), utilize standard Internet tools and protocols to make it both robust and portable to other systems. WiLSoN is described and compared to the standalone stations. The time to permit and install WiLSoN was double that of the standalone network. However, the benefits of WiLSoN included near real-time data and knowledge of system health as compared to only once a month visits to collect data from the standalone stations. However, the data collected from the standalone sites was more complete than that collected from WiLSoN. The lack of data completeness is attributed to the development of both software and hardware for WiLSoN during the MASE experiment. The MASE data is used to perform a 2D P-wave tomography of the subducting Cocos plate. A seismicity study by Pardo and Suarez (1995) mapped a flat Cocos slab under the North America plate to 190 km inland. Our tomography shows the slab subduction continues from 250 km inland at a much steeper angle of 75°. The slab stops somewhere between 450 km and 550 km depth under the northern Trans-Mexican Volcanic Belt. The Farallon plate, from which the Cocos plate presumably broke, is not seen. P-wave travel times are also inverted for a 2D temperature model of the Cocos slab under Mexico. The temperature model from Davies and Stevenson (1992) is found to have unrealistic values in the case of a thin slab, so the diffusion equation is solved with their initial conditions to correct their solution to remove this limitation. The dipping portion of the slab begins 230 km inland, dip at an angle of 74 degrees from the surface, extend to 500 km depth, and have a thickness of 40 km. The model is extended to 21/2D by assuming the slab is infinite along its width. The strike of the slab is then solved for with the full 3D rays found from ray tracing through the iasp91 model. The strike of the dipping slab is found to be 108° clockwise from north, very similar to the strike of the TMVB. A model of the tectonic history is presented that combines those proposed by Ferrari (2004) and Gorbatov and Fukao (2005). At 25 Ma the volcanic arc moved inland marking the beginning of flat-slab subduction. At the same time a tear between the Cocos and Farallon initiated. The torsion from the tear squeezed the Cocos plate causing a flat-slab geometry. At 12.5 Ma another tear propagated along the flat Cocos slab removing the torsion causing uplift. The removal of the uplift caused the upper portion of the Cocos slab to sink and start rolling back until it reached the position where it is imaged in this study. The lack of a Wadati-Benioff zone is due to no deeper slab end which would normally elevate the deviatoric stress to levels that generate earthquakes.

Husker, Allen Leroy, Jr.

382

Recent SO2 camera and OP-FTIR field measurements in Mexico and Guatemala  

NASA Astrophysics Data System (ADS)

Between 22 and 30 November 2012 a field campaign was carried out at Mexico and Guatemala with the objectives of state the volcanic gas composition and flux fingerprints of Popocatepetl, Santiaguito, Fuego and Pacaya by exploiting simultaneously UV-camera and FTIR measurements. Gases were measured remotely using instruments sensitive to ultraviolet and infrared radiation (UV spectrometer, SO2-camera and OP-FTIR). Data collection depended on the requirements of the methodology, weather condition and eruptive stage of the volcanoes. OP-FTIR measurements were carried out using the MIDAC interferometer with 0.5 cm-1 resolution. Spectra were collected in solar occultation mode in which the Sun acts as an infrared source and the volcanic plume is interposed between the Sun and the spectrometer. At Santiaguito spectra were also collected in passive mode using the lava flow as a radiation source. The SO2-camera used for this study was a dual camera system consisting of two QS Imaging 640s cameras. Each of the two cameras was outfitted with two quartz 25mm lens, coupled with two band-pass filters centred at 310nm and at 330nm. The imaging system was managed by a custom-made software developed in LabView. The UV-camera system was coupled with a USB2000+ spectrometer connected to a QP1000-2-SR 1000 micron optical fiber with a 74-UV collimating lens. For calibration of plume imagery, images of five quartz cells containing known concentration path-lengths of SO2 were taken at the end of each sampling. Between 22 and 23 November 2012 UV-camera and FTIR observations were carried out at Popocatepetl. During the time of our observation, the volcano was characterised by pulsing degassing from the summit crater forming a whitish plume that dispersed rapidly in the atmosphere according to wind direction and speed. Data were collected from the Observatorio Atmosférico Altzomoni (Universidad Nacional Autónoma de México) at 4000 metre a.s.l. and at a distance of ~12 km from the volcano summit. SO2 camera observations were made for ~30 and 130 minutes on the 22 and 23 November, respectively, with a sampling rate of ~7 seconds. FTIR measurements were carried out for 20 and 15 minutes on 22 and 23 November. At Santiaguito volcano, we carried out volcanic gas measurements on 27 and 28 November 2012. During the period of our observations the volcano activity was characterised by lava flow extrusion on the S flank of dome edifice. Occasionally, incandescent blocks detached from the lava flow front rolling onto the dome flanks. During the time of our survey the explosive activity was low frequency (every ~5 - 6 hours). We observed a persistent and sustained degassing plume was observed occasionally polluted by ash. However, on 28 November at 5:25 local time, a violent pyroclastic flow occurred generating an ash-plume that rose ~5 km passing Santa Maria's summit and spreading ~30 km south. SO2 camera and FTIR data were simultaneously collected on 27 November from El Mirador at a distance of ~2 Km from the lava-dome. Data were collected for ~75 and ~90 minutes for SO2-camera and FTIR, respectively. On 28 November, due to the pyroclastic flow event, only distal solar occultation FTIR measurements and open-path UV spectra (using a USB spectrometer) were collected from the west flank of Santa Maria volcano. Both UV and IR spectra were recorded for ~60 minutes Ash released by the pyroclastic flow was sampled from a distance of 6.5 km from the volcano collecting the fallout products along a 60 minute time interval Data from the volcanic plumes of Pacaya and Fuego were collected on 29 and 30 November 2012. During our survey the eruptive activity of Pacaya consisted of weak puffing from the summit crater, while Fuego showed a weak outgassing occasionally interrupted by explosion from its summit crater. In both days, we carried out only SO2 camera measurements due to the poor weather conditions which prevented solar FTIR measurments. At both volcanoes, UV images were taken for a period of ~45 minutes from a distance of ~ 3 km and ~ 10 km, respectively. In th

La Spina, Alessandro; Salerno, Giuseppe; Burton, Michael

2013-04-01

383

Efectos difusivos en la formación de enanas blancas de Helio de baja masa en sistemas binarios cerrados  

NASA Astrophysics Data System (ADS)

In the last years, and thanks to advances in observational techniques, many astronomers have discovered in a great number of binary radio-pulsars the presence of a helium white dwarf resulting from a previous evolutionary state in which the progenitor of this star experienced one or more episodes of mass transfer to the compact component in the pair. That is the case for PSR B1855+09 (van Kerkwijk, M. H., Bell, J. F, Kaspi, V. M., & Kulkarni, S. R. 2000, ApJ 530, L37), where the mass for the white dwarf is known accurately from measurements of the Shapiro delay of the pulsar signal, MWD = 0.258+0.028-0.016 M?; for PSR J02018 + 4232 (Bassa, C. G., van Kerkwijk, M. H., & Kulkarni, S. R. 2003, A&A, 403, 1067), the spectra confirm that the companion is a helium-core white dwarf of ? 0.2 M?. On the other hand, there are several authors (Ferraro, F., Possenti, A., Sabbi, E., & D'Amico, N. 2003, ApJ, 596, L211; Bassa et al. 2003) that have identified the optical binary companion to the BMSP PSR J1911 - 5958A, located in the halo of the Galactic globular cluster NGC 6752, like a blue star whose position in the color-magnitude diagram is consistent with the cooling sequence of a low-mass, ? 0.17 - 0.20 M?, low metallicity helium white dwarf at the cluster distance. Finally, the color and magnitude of the stellar companion for B 1620-26 indicate that is a white dwarf of 0.34 ± 0.04 M? (Sigurdson, S., Richer, H. B., Hansen, B. M., Stairs, I. H. & Thorset, S. E. 2003, Science, 301, 193S). This has motivated us to study the formation of low mass helium white dwarfs in the context of binary evolution. For that purpose, using the code of binary evolution, entirely developed in the Facultad de Ciencias Astronómicas y Geofísicas of the Universidad Nacional de La Plata, Argentina, we have investigated the effects of diffusive processes on the evolution of a star member of a close binary system. A similar study was performed for Althaus, L. G., Serenelli, A. M., & Benvenuto, O. G. (2001, MNRAS, 323, 471) but in that paper the mass transfer was mimicked by subtracting mass to a progenitor of 1 M? to obtain the mass for the desired object. Actually, our binary code has a full nuclear reactions network for hydrogen and helium burning that allowed us to follow the abundances of fifteen isotopes throughout the entire evolution of the star. We have also included a detailed equation of state. The mass loss treatment is non conservative. We have modified the conditions for the beginning and end of mass transfer episodes. In our previous version, we assumed it to occur when the stellar radius was greater or smaller, respectively, that the Roche Lobe radius for the star. This introduced numerical problems, especially at the end of mass transfer phases. We adopted H. Ritter (1988, A&A, 202, 93) formulation that considers a finite scale height in the stellar atmosphere. The numerical behaviour in much more satisfactory, besides that it constitutes a more appropriate description for the physical problem. We perform the calculations for the evolution of the primary star in a close binary system of initial mass 2 M?, initial period of 1 day, initial mass ratio of 1.4142 and solar metallicity. We have done the calculations in four cases: A) with diffusion and all Roche Lobe overflows, B) with diffusion and only the first Roche Lobe overflow, C) without diffusion and all Roche Lobe overflows, D) without diffusion and only the first Roche Lobe overflow. Cases B) and D) where performed to compare with results obtained for Althaus et al. (2001). The main conclusion of this work is that the age of these objects is mainly determined by diffusive effects, and the late stages of mass transfer, not considered in Althaus et al. (2001), constituted a minor effect on the scales of cooling times.

De Vito, M. A.; Benvenuto, O. G.

384

Vale a pena desarmar? Uma avaliação do impacto da campanha de entrega voluntária de armas sobre as mortes com armas de fogo  

Microsoft Academic Search

Resumo O objetivo deste trabalho foi avaliar o impacto da campanha de entrega de armas (política de buy-back) sobre a incidência de óbitos com armas de fogo no Estado do Paraná. Visto que neste estado esta campanha teve início seis meses antes da campanha nacional, foi possível utilizar o estimador de diferenças em diferenças, em que os municípios paranaenses constituíram

Milena Karla Soares; Luiz Guilherme Dácar Da Silva Scorzafave

2008-01-01

385

Gestión por competencias: importante para las pymes maquila de pantalón en índigo en la ciudad de Bogotá  

Microsoft Academic Search

Este artículo presenta una revisión de literatura internacional y nacional, sobre temas como el de competencias, los tipos de competencias, competencias laborales y proceso de implementación de la gestión por competencias. Adicionalmente, se muestra la reseña sobre la gestión por competencias en Colombia, así como la metodología utilizada para el trabajo de campo con relación al tema del artículo y

Nathalia Andrea Martínez Valero; Juan Carlos Rincón Gaviria

2010-01-01

386

Soltando las Amarras - Algunas consideraciones sobre la cancelación de la deuda con el FMI  

Microsoft Academic Search

Este trabajo tiene por objeto analizar dentro de los resultados y proyecciones de la deuda pública, el sentido, impacto y efectos de la decisión gubernamental de cancelar la deuda pública nacional contraída con el FMI. En tal propósito se analizan los motivos que condujeron a la decisión de desendeudarse con el FMI, examinándo las propuestas alternativas a aquella solución, barajadas

Agustin Torres

387

Une nouvelle partition des dépenses publiques  

Microsoft Academic Search

[spa] Con el advenimiento del euro, la coordinación de las políticas presupuestarias se ha convertido en un objetivo europeo fundamental. La evolución del gasto público cobra una relevancia particular y requiere un enfoque global. A este respecto, el sistema de contabilidad nacional es la referencia privilegiada, sobre todo en el ámbito del control europeo de la evolución de los gastos

Jérôme Bascher; Marie Niedergang

2001-01-01

388

Músico, Exilio y Memoria — La Lucha Por Los Restos De Manuel De Falla  

Microsoft Academic Search

En vísperas de la guerra civil, España era uno de los centros intelectuales más efervescentes de Europa. A partir de 1898, tras perder los últimos restos del Imperio en el Nuevo Mundo (Cuba y Puerto Rico), y particularmente en los años de la Segunda República (1931–1936), se llevaron a cabo apasionantes debates sobre cuestiones de identidad nacional y el sendero

Raanan Rein

1996-01-01

389

Derechos de autor y uso de imágenes y contenido  

Cancer.gov

La mayor parte de la información en el sitio web del Instituto Nacional del Cáncer (NCI), Cancer.gov, es del dominio público y no está sujeta a las restricciones de los derechos de autor. No se requiere permiso especial para usar o reproducir materiales del dominio público.

390

The green potential of the San Pedro Mártir observatory  

Microsoft Academic Search

Weather observations carried out between October 2004 and July 2008 at the Mexican Observatorio Astronómico Nacional (OAN) are analyzed. Humidity in April, May and June was less than 55% nearly 90% of the time. Wind speed was larger at nightime and tended to decrease between March and November. Typical temperature variations during the night, for the entire day and for

J. Bohigas; J. M. Núñez

2010-01-01

391

Analysis and Recommendations on the Agrarian Reform Program in Ecuador.  

National Technical Information Service (NTIS)

The study gives a report on the financial problems of the Instituto Nacional de Reforma Agraria y Colonizacion (IERAC) which is the Ecuadoran agency for agrarian reform. Only $21,319,153 equivalent in agrarian reform bonds have been issued since the enact...

K. Himebaugh F. V. Beck L. Lekis

1966-01-01

392

Alternatives for the Training of Skilled Industrial Labor in Sao Paulo, Brazil. Program of Studies in Non-Formal Education, Supplementary Series. Paper No. 1.  

ERIC Educational Resources Information Center

The study deals with the development of skilled industrial manpower in Sao Paulo, Brazil, and with the Federal government's SENAI (Service Nacional de Aprendizagem Industrial) industrial apprenticeship and trainign program. An analysis of six variables among lathe setter-operators showed that: present work situations among the operators varied…

Lukomski, Michael

393

Estudio de los Institutos Nacionales de la Salud indica que quienes toman café tienen un riesgo menor de muerte  

Cancer.gov

Los adultos mayores que tomaron café, con o sin cafeína, tuvieron un riesgo menor de muerte en general que quienes no tomaron café, según un estudio llevado a cabo por investigadores del Instituto Nacional del Cáncer (NCI), parte de los Institutos Nacionales de la Salud, y por la Asociación Estadounidense de Personas Jubiladas (AARP).

394

Renamo, Malawi and the struggle to succeed Banda: Assessing theories of Malawian intervention in the Mozambican Civil War  

Microsoft Academic Search

Following its independence in 1975, the former Portuguese colony of Mozambique suffered a devastating civil war until the early 1990s. This war, between the ruling Frente de Libertação de Moçambique (Frelimo) and the Resistência Nacional Moçambicana (Renamo), was the context within which issues of underdevelopment and political divisions unfolded. It is well-documented that throughout the Civil War the Renamo rebels,

David Robinson

395

Mating patterns in squirrel monkeys ( Saimiri oerstedi )  

Microsoft Academic Search

The mating system of squirrel monkeys (Saimiri oerstedi) in Parque Nacional Corcovado, Costa Rica was studied and used to develop a model to interpret the evolution of seasonal sexual dimorphism in squirrel monkeys (Saimiri spp.). Adult male body weights in captivity and the wild may increase more than 20%, beginning approximately two months prior to and continuing through the annual

S. Boinski

1987-01-01

396

Birth synchrony in squirrel monkeys ( Saimiri oerstedi )  

Microsoft Academic Search

The vigilance behaviors and association patterns of adult female squirrel monkeys (Saimiri oerstedi) in Parque Nacional Corcovado, Costa Rica were studied over the annual reproductive cycle to identify a possible adaptive function associated with the unusually close within-group birth synchrony prevalent in Saimiri populations. Raptor association with the troops, predation attempts, and monthly changes in food abundance were also documented.

S. Boinski

1987-01-01

397

Movement of Sediment Associated With Lowered Reservoir Levels in the Rio La Venta Arm of the Presa Netzahualcoyotl, Chiapas, Mexico  

Microsoft Academic Search

A joint sedimentation study is currently underway at the Netzahualcoyotl reservoir in Chiapas, Mexico, involving the Comision Nacional de Areas Naturales Protegidas (CONANP) of the Secretaria de Medio Ambiente y Recursos Naturales and the USDA Forest Service. The reservoir is adjacent to the Reserva de la Biosfera, Selva El Ocote, administered by CONANP. Ongoing research is intended to provide watershed

S. Hilton; J. de La Fuente; T. E. Lisle; J. Velasquez; B. Allison; B. Olson; R. Quinones

2003-01-01

398

Trends in the Elemental Composition of Fine Particulate Matter in Santiago, Chile, from 1998 to 2003  

Microsoft Academic Search

Santiago, Chile, is one of the most polluted cities in South America. As a response, over the past 15 yr, numerous pollution reduction programs have been implemented by the environmental authority, Comisión Nacional del Medio Ambiente. This paper assesses the effectiveness of these interventions by examining the trends of fine particulate matter (PM2.5) and its associated elements. Daily fine particle

Sonja N. Sax; Petros Koutrakis; Pablo A. Ruiz Rudolph; Francisco Cereceda-Balic; Ernesto Gramsch; Pedro Oyola; Zhengmin Qian; Qingci He; Hung-Mo Lin; Lingli Kong; Duanping Liao; Niannian Yang; Christy Bentley; Shuangqing Xu; Benjamin Burns; Kenneth Krach; Charles Cole; Jessica Mangus; Howard Butler; Baikun Li; Donald Robinson; Ronke Luke-Boone; Vineet Aggarwal; Buzz Harris; Eric Anderson; David Ranum; Thomas Kulp; Karla Armstrong; Ricky Sommers; Thomas McRae; Karin Ritter; Jeffrey Siegell; Doug Pelt; Mike Smylie; Eugene Kim; Philip Hopke; Yi-Ming Kuo; Jian-Wen Wang; Cheng-Hsien Tsai; Stephen Musson; Timothy Townsend; Kurt Seaburg; John Mousa; Ke Du; Mark Rood; Byung Kim; Michael Kemme; Bill Franek; Kevin Mattison; Joan Cook; James Noel; Pratim Biswas; Daniel Giammar; Jorge Jimenez; Candis Claiborn; Timothy Larson; Timothy Gould; Thomas Kirchstetter; Lara Gundel

2007-01-01

399

Trends In The Elemental Composition Of PM2.5 In Santiago, Chile From 1998 To 2006  

Microsoft Academic Search

Santiago, Chile is one of the most polluted cities in South America. As a response, over the past 15 years, numerous pollution reduction programs have been implemented by the environmental authority, Comision Nacional del Medio Ambiente (CONAMA). This paper assesses the effectiveness of these interventions by examining the trends of PM2.5 and its elemental composition. Daily fine particle filter samples

P. Ruiz; P. Oyola; E. Gramsch; F. Moreno; P. Koutrakis

2007-01-01

400

Wind energy assessment and wind farm simulation in Triunfo – Pernambuco, Brazil  

Microsoft Academic Search

This paper presents a wind energy assessment and a wind farm simulation in the city of Triunfo in the state of Pernambuco in the northeast region of Brazil. The wind data were obtained from the SONDA (Sistema de Organização Nacional de Dados Ambientais) project’s meteor station (wind speed, wind direction and temperature) at both heights of 50 m during a period

Laerte de Araujo Lima; Celso Rosendo Bezerra Filho

2010-01-01

401

Pensando en Cynthia y su Hermana: Educational Implications of United States-Mexico Transnationalism for Children  

ERIC Educational Resources Information Center

|We use 3 brief educational biographies of students in Mexico who have previously attended public school in the United States to introduce this literature review on United States-Mexico transnational students. This article is also the first of several planned articles stemming from a currently ongoing, Consejo Nacional de Ciencia y…

Hamann, Edmund T.; Zuniga, Victor; Garcia, Juan Sanchez

2006-01-01

402

Basic Training Programme for Library Technicians in Mexico.  

ERIC Educational Resources Information Center

|The Consejo Nacional de Ciencia y Tecnologia (CONACYT), set up in 1971 to further scientific and technological advancement in Mexico, commissioned this determination of the steps necessary to promote the use of libraries and recorded scientific and technical information, and to foster the reading habits of the population. A brief overview…

Vilentchuk, Lydia

403

Economia Política de Petróleo e Gás: A Experiência Russa  

Microsoft Academic Search

A recuperação do poder central da Rússia no governo Putin com uma estratégia de desenvolvimento nacional foi o ponto de partida para uma revisão da política do Estado diante do setor de energia. O governo aumentou drasticamente a presença do Estado no setor de energia, e chegou a controlar, no final de 2007, 47% dos ativos, contra menos de 10%

Giorgio Romano Schutte

2010-01-01

404

Abundance of the brown sea cucumber Isostichopus fuscus at the National Park Bahia de Loreto, México  

Microsoft Academic Search

The Natural Protected Area Parque Nacional Bahia de Loreto, including five adjacent islands, was created in 1996. The park presents rocky and sandy shores, mangrove areas and small patches of reef corals, which have been used for fishing and ecotourism activities. The fishery of the brown sea cucumber Isostichopus fuscus is one of the most peculiar in the Gulf of

H. Reyes-Bonilla; M. D. Herrero-Pérezrul; S. González-Romero; A. González-Peralta; Y. Ramírez-Hernández

405

Longitudinal dynamics with rf phase modulation in the Brazilian electron storage ring  

Microsoft Academic Search

In the Brazilian synchrotron light source (LNLS---Laboratório Nacional de Luz Síncrotron), we observed that modulating the phase of the accelerating fields at approximately twice the synchrotron frequency suppressed remarkably well a longitudinal coupled-bunch mode of the beam driven by a higher order mode in one of the radiofrequency (rf) cavities. In this work, we present the results of a set

N. P. Abreu; R. H. A. Farias; P. F. Tavares

2006-01-01

406

Asociación de linfomas malignos con herpes virus I y II  

Microsoft Academic Search

SUMMARY Objectives: To know the prevalence of seropositivity for herpes virus I and II in patients with malignant non Hodgkin lymphoma (NHL), and the association with the cell lineage (B or T). Patients and Methods: We considered 60 new or in first recurrence patients with NHL at the Hospital Nacional Guillermo Almenara from August 1999 to December 2000. We analyzed

ALARCON-ROZAS Ashley Efraín; SALAS SÁNCHEZ Fernando; VILLACRES VELA; GUEVARA Karina; GUEVARA Julio

2002-01-01

407

ERIC/CRESS News Letter, Volume 7, Nos. 1, 2, 3, & 4, 1972.  

ERIC Educational Resources Information Center

|The articles in this group of ERIC/CRESS (Educational Research Information Center/Clearinghouse on Rural Education and Small Schools) newsletters cover such topics as Federal legislation and rural development, the Congreso Nacional de Asuntos Colegiales, the Foxfire Project, career education, bilingual instruction, rural education, Native…

Chenowith, Virginia K., Ed.

408

REVISÃO DE ESTUDOS CLÍNICOS DE ENFERMAGEM: UTILIZAÇÃO DE PAPAÍNA PARA O TRATAMENTO DE FERIDAS  

Microsoft Academic Search

RESUMO: RESUMO: RESUMO: RESUMO: RESUMO: A papaína tem sido utilizada pelo enfermeiro para o tratamento de diversas feridas. No entanto, necessita-se de evidências que demonstrem seu efeito no desbridamento e aceleração da cicatrização. Esta investigação, por meio de revisão de literatura, teve como objetivo compilar estudos realizados por enfermeiros brasileiros ou graduandos de enfermagem na literatura nacional e indexados nos

Adriano Menis Ferreira; Kleber Aparecido de Oliveira; Luiz Carlos Vieira; James da Luz Rol

409

VIGENCIA DEL PENSAMIENTO MARTIANO EN EL CONTEXTO LATINOAMERICANO ACTUAL  

Microsoft Academic Search

Los países menos favorecidos de América Latina se resisten a las nuevas recetas económicas impuestas por las naciones más ricas, y se enfrentan a un peligroso contexto internacional asociado a notables cambios que están produciéndose en las concepciones sobre relaciones políticas internacionales, como parte de las acciones impulsadas por las principales potencias para estructurar un nuevo orden mundial acorde con

Eyedelkis Medina García; Ileana Jáñez Reyes; Maricel Batalla Barcelay; Ricardo Rey Riquenes

2012-01-01

410

B2. INFLUENCIA DEL RIEGO EN EL COMPORTAMIENTO DE TRES HÍBRIDOS TENERA DE PALMA ACEITERA (Elaeis guineensis Jacq.) DE TRES AÑOS DE EDAD. LA CONCORDIA-ESMERALDAS *. INFLUENCE OF IRRIGATION ON THE BEHAVIOR OF THREE HY BRIDS TENERA OF PALMA ACEITERA (Elaeis guineensis Jacq.) THE THREE YEARS AGO. LA CONCORCIA, ESMERALDAS  

Microsoft Academic Search

SUMMARY The influence of irrigation on the behavior of thre e hybrids (INIAP, IRHO and ASD) was studied in the Centro de Investigaciones en Pal ma (CIPAL) belongin to the Asociación Nacional de Cultivadores de Palma Aceitera (ANCUPA). The following variables were evaluated: estipete base diameter, p lant height, foliar crown diameter, foliar emission, sex ratio, foliar area and yield.

Víctor Hugo

411

Eficacia y seguridad de la terapia tópica con capsaicina 0,075% versus mentol 1%, en el tratamiento del prurito de la foliculitis eosinofílica asociada al virus de la inmunodeficiencia adquirida  

Microsoft Academic Search

ResumenObjetivo: ? Determinarlaeficaciayseguridaddelaterapiatópicaconcapsaicina ? 0,075% ? versus ? mentol ? 1% ? eneltratamientodelpruritodelafoliculitiseosinofílicaasociadaalvirusdela ? inmunodeficienciaadquirida ? (VIH). ? Diseño: ? Estudioclínicoaleatorizadoydobleciego. ? Lugar: ? ServiciosdeEnfermedadesInfecciosasyTropicales ? (SEIT) ? yDermatología, ? HospitalNacional ? DosdeMayo, ? Lima, ? Perú. ? Participantes: ? Pacientesconfoliculitiseosinofílicaasociadaal ? VIH. ? Intervenciones: ? Lamuestraestuvoconstituidapor ? 40 ? pacientesconfoliculitiseosinofílica ? asociadaalVIH, ? quienesfuerondistribuidosmediantemuestreoaleatoriosistemáticoendos ? grupos: ? elgrupo ?

Carlos Galarza; Willy Ramos; Humberto Chía; Gerardo Ronceros; Jesús Santiani; Ericson Gutiérrez; Marcos Ñavincopa; María Vilcarromero; Jack Ávila; Jorge Hancco; Deny Gámez

2007-01-01

412

Journal of Environmental Radioactivity special issue: international topical conference on Po and radioactive Pb isotopes.  

PubMed

An international conference on polonium (Po) and radioactive isotopes was held in Seville Spain, 26-28 October 2009 at the Centro Nacional de Aceleradores. It was attended by 138 participants from 38 different countries. The sessions covered all aspects on Po and lead (Pb) such as radiochemistry, terrestrial and marine radioecology, kinetics, sedimentation rates, atmospheric tracers, NORM industries and dose assessment. PMID:20889244

Holm, Elis; Garcia-Tenorio, Rafael

2010-10-25

413

Land use change in the Baja California Peninsula, Mexico  

Microsoft Academic Search

This work analyzes the land use change in the Baja California Peninsula, at the level of vegetation types. The time period analyzed was 1978 (Serie I de INEGI) to 2000 (Inventario Nacional Forestal) at 1:250 000 scale. The spatial analyses were carried out in a GIS environment to identify the changes in the period. A transition matrix was elaborated and

Fernando Antonio; Rosete Vergés; José Luis Pérez Damián; Gerardo Bocco

414

A New Genus and Species of Lachnophorini and Two New Species of Lebiini from Costa Rica (Coleoptera: Carabidae)  

Microsoft Academic Search

A new genus and new species of Lachnophorini and 2 new species of Lebiini from Costa Rican are described (type localities in parentheses): Quammenis spectabilis, n. gen., n. sp. (type locality: COSTA RICA: Heredia Province, Estacion Magsasay, Parque Nacional Braulio Carrillo, 200m, LN264600,531100); Lebia (Chelonodema) inbio, n. sp. (type locality: Guanacaste Province, Estacion Pitilla, 9 km S Santa Cecilia, 700

Terry L. Erwin

2000-01-01

415

The evolution of breast cancer mortality and morbidity in Spain (1977–1988)  

Microsoft Academic Search

A study of breast cancer mortality and cancer morbidity has been carried out in Spain recently for the period 1977–1988, covering the population of the 17 Autonomous Communities and 50 provinces of the country. Data was obtained from INE, Instituto Nacional de Estadistica (National Institute of Statistics), with age standardization using the indirect method. The different Autonomous Communities and provinces

M. M. Morales Suarez-Varela; A. Llopis González; E. Soto Pinchel; M. C. Jiménez López

1996-01-01

416

Organization of a Tumor Bank: The Experience of the National Cancer Institute of Mexico  

Microsoft Academic Search

A tumor bank (TB) is an ordered collection of neoplastic samples, normal tissue, and\\/or fluids preserved under optimal conditions, as well as storing patients’ clinical information. The objective of this article is to outline the planning and logistics necessary for the functioning of the Instituto Nacional de Cancerología (INCan) TB in Mexico City. For the planning and logistics of a

L. Ruíz-Godoy; A. Meneses-García; L. Suárez-Roa; V. Enriquez; R. Lechuga-Rojas; E. Reyes-Lira

2010-01-01

417

Sweet drinks are made of this: Conservation genetics of an endemic palm species from the Dominican Republic  

Technology Transfer Automated Retrieval System (TEKTRAN)

Pseudophoenix ekmanii is a threatened palm species restricted to the Parque Nacional of Jaragua in the southernmost region of Hispaniola. Sap from individual trees is commonly extracted to make a local drink; once they are tapped the plant usually dies. Additionally, adult plants are harvested for...

418

Trauma care systems in Spain  

Microsoft Academic Search

Trauma care systems in Spain are provided by the Nacional Health Service in a decentralized way by the seventeen autonomous communities whose process of decentralization was completed in January 2002. Its organisation is similar in all of them. Public sector companies of sanitary emergencies look after the health of citizens in relation to medical and trauma emergencies with a wide

E. Queipo de Llano; A. Mantero Ruiz; P. Sanchez Vicioso; A. Bosca Crespo; J. L. Carpintero Avellaneda; M. V. de la Torre Prado

2003-01-01

419

PRODUÇÃO INTEGRADA DE FRUTAS PIF e a produção de Açaí (Euterpe oleracea Mart) no Estado do Pará: ameaças ou oportunidades?  

Microsoft Academic Search

Este trabalho, apoiado na dinâmica de crescimento do consumo de sucos naturais, como uma das bebidas esportivas associadas à imagem de produto saudável, suscita as questões relacionadas com a aplicação do PIF junto à produção do Açaí, visto a ampliação da aceitação desse produto nos mercados nacional e internacional. Está fundamentado na aplicação da legislação específica e seus pré-requisitos frente

Rubens Cardoso Da Silva; Paulo Cerqueira Dos Santos; Jose Sebastiao Romano De Oliveira; Maria Cristina Das Neves Silva; Ismael Matos Da Silva

2008-01-01

420

La política económica en el reinado de Alfonso XII: una década tranquila  

Microsoft Academic Search

Los ministros de Hacienda del reinado de Alfonso XII asumieron muchas decisiones adoptadas en el Sexenio democrático en los ámbitos de la política monetaria, fiscal y arancelaria. Entre ellas la instauración de la peseta como moneda nacional, la concesión del monopolio de emisión de billetes al Banco de España, la rectificación de la Hacienda revolucionaría llevada a cabo entre 1872

Miguel Martorell Linares

2003-01-01

421

Potency evaluation of rabies vaccine for human use: The impact of the reduction in the number of animals per dilution  

Microsoft Academic Search

In order to evaluate the effects of reducing the number of animals used in the NIH mouse protection test for potency determination of inactivated rabies vaccines for human use, a retrospective study of the results obtained in the Brazilian National Control Laboratory, Instituto Nacional de Controle de Qualidade em Saúde (INCQS), was performed, comprising 214 vaccine lots. The INCQS Standard

Wlamir Corrêa de Moura; Humberto Pinheiro de Araujo; Pedro Hernan Cabello; Phyllis Catharina Romijn; José Paulo Gagliardi Leite

2009-01-01

422

Final Report: Sulfate Sampling Program. Northwest Sector of the Rapel River Basin.  

National Technical Information Service (NTIS)

This study was funded by the U.S. Trade and Development Agency on behalf of the Comision Nacional Del Medio Ambiente (CONAMA). The main purpose of the report is to assess the quality of surface waters in the Rapel River Basin, identify sources of pollutio...

1994-01-01

423

Deforestation and Malaria in Mâncio Lima County, Brazil  

Microsoft Academic Search

Malaria is the most prevalent vector-borne disease in the Amazon. We used malaria reports for health districts collected in 2006 by the Programa Nacional de Controle da Malária to determine whether deforestation is associated with malaria incidence in the county (município) of Mâncio Lima, Acre State, Brazil. Cumulative percent deforestation was calculated for the spatial catchment area of each health

Sarah H. Olson; Ronald Gangnon; Guilherme Abbad Silveira; Jonathan A. Patz

2010-01-01

424

Los Estados Unidos y la República de Chile se unen para combatir el cáncer  

Cancer.gov

Una nueva alianza entre el Instituto Nacional del Cáncer de los Estados Unidos y el Ministerio de Salud de la República de Chile, tiene el propósito de acelerar el avance contra el cáncer en la población hispana en los Estados Unidos y en América Latina.

425

'In Vivo' Dosimetry in High Dose Rate Brachytherapy for Cervical Cancer Treatments  

SciTech Connect

In this prospective study, rectal dose was measured 'in vivo' using TLD-100 crystals (3x3x1 mm{sup 3}), and it has been compared to the prescribed dose. Measurements were performed in patients with cervical cancer classified in FIGO stages IB-IIIB and treated with high dose rate brachytherapy (HDR BT) at the Instituto Nacional de Cancerologia (INCan)

Gonzalez-Azcorra, S. A.; Ruiz-Trejo, C.; Buenfil, A. E. [Instituto de Fisica, UNAM, A.P. 20-364, Mexico 01000 D.F. (Mexico); Mota-Garcia, A.; Poitevin-Chacon, M. A.; Santamaria-Torruco, B. J.; Rodriguez-Ponce, M.; Herrera-Martinez, F. P. [Instituto Nacional de Cancerologia, Mexico 14000 D.F. (Mexico); Gamboa de Buen, I. [Instituto de Ciencias Nucleares, UNAM, A.P. 70-543, Mexico 04510 D.F. (Mexico)

2008-08-11

426

Aetiology of Bovine Abortion in Argentina  

Microsoft Academic Search

Necropsies were performed on 354 fetuses from dairy and beef herds submitted from 1994 to 2000 to the diagnostic laboratories at Instituto Nacional de Tecnología Agropecuaria, Balcarce, Argentina. Samples from the fetuses were examined for pathogenic organisms and processed for microscopic examination. An aetiological diagnosis was made for 161 (45.5%) of the fetuses. No diagnosis was made for 193 (54.5%)

C. M. Campero; D. P. Moore; A. C. Odeón; A. L. Cipolla; E. Odriozola

2003-01-01

427

Ethnic Succession in a Highland Chiapas Community.  

ERIC Educational Resources Information Center

|Since the 1950s, ethnic relations in Tenejapa (Chiapas, Mexico) have shifted toward greater equality and less antagonism between formerly dominant mestizos and formerly dominated "indigenas" (Maya Indians). An important cause is the long-term promotion of indigenous education by a national agency, Instituto Nacional Indigenista, imparting to…

Whitmeyer, Joseph M.

1997-01-01

428

Scientific ballooning in Brazil  

Microsoft Academic Search

We present an overview of the scientific ballooning activities that took place in Brazil over the past 30 years as well as the current ongoing efforts in the area. We also briefly describe the balloon launching facility that exists at the Instituto Nacional de Pesquisas Espaciais (National Institute for Space Research) — INPE. Up to now, over 100 scientific balloon

R. Corrêa; E. Rinke; J. O. Fernandes; T. Villela

2002-01-01

429

Alternatives for the Training of Skilled Industrial Labor in Sao Paulo, Brazil. Program of Studies in Non-Formal Education, Supplementary Series. Paper No. 1.  

ERIC Educational Resources Information Center

|The study deals with the development of skilled industrial manpower in Sao Paulo, Brazil, and with the Federal government's SENAI (Service Nacional de Aprendizagem Industrial) industrial apprenticeship and trainign program. An analysis of six variables among lathe setter-operators showed that: present work situations among the operators varied…

Lukomski, Michael

430

SOBRE O VALOR ECONÔMICO DO SISTEMA DE IDENTIFICAÇÃO ANIMAL DOS EUA (NAIS): NOTÍCIAS A RESPEITO DO MAU DA VACA LOUCA AFETAM O CONSUMO DE CARNES?  

Microsoft Academic Search

Esse artigo investiga os efeitos de notícias a respeito do mau da vaca louca ou BSE sobre o consumo das carnes bovina, suína e de aves nos EUA. Presume-se que o sistema nacional de identificação animal (NAIS) poderia em tese atenuar a percepção de risco dos consumidores sobre contrair o mau da vaca louca ao consumir carnes. Sistemas de equações

Moises de Andrade Resende Filho; Brian L. Buhr

2008-01-01

431

Nicaragua National Cement Company Modernization Project Definitional Mission.  

National Technical Information Service (NTIS)

The Compania Nacional Productora de Cemento (CANAL) requests the assistance of the U.S. Trade and Development Program (TDP) in the form of a grant to support an Engineering/Economic Feasibility Study. The study would address the requirements to increase C...

J. A. Pedison

1992-01-01

432

La política brasileña para los residuos sólidos urbanos. Los planteamientos de catadores y empresarios en sus páginas electrónicas  

Microsoft Academic Search

El gobierno brasileño señala la posibilidad de aprobar la política nacional para los residuos sólidos urbanos (PNRS). La propuesta del Proyecto de Ley 1991\\/07 está en trámite en la cámara de los diputados desde el año 1991. Los senadores mantuvieron una charla con los catadores, empresarios del reciclaje y empresarios de servicios de gestión de residuos sólidos urbanos para conocer

Fábio Fonseca Figueiredo

2008-01-01

433

Lo que los padres necesitan saber sobre el cáncer y la vacuna contra el VPH  

Cancer.gov

Lo que los padres necesitan saber sobre el cáncer y la vacuna contra el VPH  Por el Instituto Nacional del Cáncer  Nosotros podemos vacunar a nuestros hijos contra el virus de la poliomielitis, contra el sarampión y  contra la gripe. Más recientemente se ha puesto al alcance de los padres de familia una vacuna para que 

434

El impacto de la geografía sobre la riqueza: autocorrelación espacial, movilidad regional, esquemas convergentes y dinámica temporal del ingreso per cápita, en México  

Microsoft Academic Search

La necesidad de definir una visión estratégica del desarrollo en el nuevo entorno nacional ha generado un replanteamiento de los enfoques y métodos de la ciencia regional. Este nuevo enfoque se ha traducido en un amplio debate dentro del contexto de interpretación de las nuevas realidades y en la importancia de lo territorial. ¿Bajo qué condiciones se ordenan los patrones

Roberto Guerrero Compeán

2007-01-01

435

The real (war) economy of Angola  

Microsoft Academic Search

Diamonds feature in many recent analyses of the financial underpinnings of Angola's long-running civil war. Both lawful and illicit exports of diamonds gain attention for their significant roles in bolstering the finances of the Movimento Popular de Libertação de Angola (MPLA) regime and their União Nacional para a Indepêndencia Total de Angola (UNITA) opponents. Much of this attention focus- es

William Reno

436

(Short overview of the Mexican Society of Clinical Chemistry meetings)  

SciTech Connect

Organized and chaired session on instrument evaluation at the XIV Congreso Nacional De Quimica Clinica which is the National Meeting of the Mexican Society of Clinical Chemistry. In addition, I presented a paper on calibration at a Congress workshop and spoke on the impact of technology in a symposium on quality control.

Burtis, C.

1991-01-01

437

Depresión posparto: ¿se encuentra asociada a la violencia basada en género? Post partum depression: is it associated to gender based violence?  

Microsoft Academic Search

Introduction: Post partum depression and gender based violence are very common disorders in women; the importance of early diagnosis and prompt treatment is to avoid future consequences in women, newborns and the family. Objectives: To determine the association between post partum depression and gender based violence. Design: Exploratory cross-sectional. Place: Hospital Nacional Docente Madre Niño San Bartolome, Lima, Peru. Participants:

Juan Escobar; Percy Pacora; Nilton Custodio; Walter Villar

438

``In Vivo'' Dosimetry in High Dose Rate Brachytherapy for Cervical Cancer Treatments  

NASA Astrophysics Data System (ADS)

In this prospective study, rectal dose was measured ``in vivo'' using TLD-100 crystals (3×3×1 mm3), and it has been compared to the prescribed dose. Measurements were performed in patients with cervical cancer classified in FIGO stages IB-IIIB and treated with high dose rate brachytherapy (HDR BT) at the Instituto Nacional de Cancerología (INCan).

González-Azcorra, S. A.; Mota-García, A.; Poitevín-Chacón, M. A.; Santamaría-Torruco, B. J.; Rodríguez-Ponce, M.; Herrera-Martínez, F. P.; Gamboa de Buen, I.; Ruíz-Trejo, C.; Buenfil, A. E.

2008-08-01

439

Independent Qualification of the CIAU Tool Based on the Uncertainty Estimate in the Prediction of Angra 1 NPP Inadvertent Load Rejection Transient  

Microsoft Academic Search

The Code with - the capability of - Internal Assessment of Uncertainty (CIAU) is a tool proposed by the 'Dipartimento di Ingegneria Meccanica, Nucleare e della Produzione (DIMNP)' of the University of Pisa. Other Institutions including the nuclear regulatory body from Brazil, 'Comissao Nacional de Energia Nuclear', contributed to the development of the tool. The CIAU aims at providing the

Ronaldo C. Borges; Francesco DAuria; Antonio Carlos M. Alvim

2002-01-01

440

The Figure of the Enemy in Elizam Escobar's La Ficción  

Microsoft Academic Search

On April 4th, 1980, Puerto Rican artist Elizam Escobar was arrested along with other members of the Fuerzas Armadas de Liberación Nacional (FALN) in Evanston, lllinois. All the members of the FALN claimed to be combatants in an anticolonial struggle against the US government and were found guilty of seditious conspiracy against the government of the United States in a

Juan Carlos Rodríguez

2011-01-01

441

Leaders of Bibliographic Control– The Chilean Experience: Maria Teresa Sanz Briso-Montiano and Soledad Fernández-Corugedo  

Microsoft Academic Search

Two interviews provided the basis for this examination of the careers and contributions of Maria Teresa Sanz Briso-Montiano and Soledad Fernández-Corugedo, major figures in the development of bibliographic control in Chile. Sanz was instrumental in introducing the use of international cataloging standards; as Coordinator at the Biblioteca nacional de Chile, she reorganized technical services, promoted the use of automated library

Carolynne Myall; Elizabeth N. Steinhagen

2000-01-01

442

Estudio comparativo del autoconcepto en mujeres con esterilidad primaria y pérdida gestacional recurrente Comparative study of self-concept in women suffering from primary sterility and recurrent gestational loss  

Microsoft Academic Search

The aim of this work was to assess the impact sterility and recurrent gestational losses on women, through the use of the Tennessee Self-Concept Scale. Two samples of 120 women with no living children were chosen for our convenience,at the Instituto Nacional de Perinatología Isidro Espinosa de los Reyes. One sample of sterile patientes and another one of patients with

Guillermo A. González Campillo; Jorge Carreño Meléndez; Claudia Sánchez Bravo; Francisco A. Morales Carmona

2008-01-01

443

Tendencias de mortalidad por traumatismos y envenenamientos en adolescentes. México, 1979-1997  

Microsoft Academic Search

Objective. To describe the external causes of death and mortality trends due to injuries and poisoning in Mexican adolescents, from 1979 to 1997. Material and Methods. This is a descriptive study of deaths occurring in Mexico from 1979 to 1997. Data were abstracted, coded, and ente- red in electronic format, by Instituto Nacional de Estadísti- ca, Geografía e Informática (National

Celis A; Gómez-Lomelí Z

2003-01-01

444

Evaluación bacteriológica de la leche y queso de cabra distribuidos en el Area Metropolitana de San José, Costa Rica  

Microsoft Academic Search

RESUMEN. En los últimos años, se ha dado en Costa Rica y a nivel mundial, una creciente producción, industrialización y consumo de la leche de cabra y sus derivados. No obstante, a nivel nacional no se ha realizado una caracterización de estos, por lo que el objetivo de este estudio es determinar las características microbiológicas de la leche y el

Viviana Araya; Leslie Gallo; Carlos Quesada; Carolina Chaves; María Laura Arias

2008-01-01

445

DISTRIBUIÇÃO DE RENDA E POBREZA NO BRASIL NO PERÍODO DE 1995 A 1999  

Microsoft Academic Search

PALAVRAS-CHAVE: Distribuição de renda; Pobreza; Decomposição; Elasticidade e Amostra complexa. Resumo - Esse artigo investiga a evolução da distribuição de renda e da pobreza no Brasil durante o período 1995-1999 levando em conta todas as características do plano amostral complexo da Pesquisa Nacional por Amostra de Domicílios (peso, estrato e unidade primária). Adicionalmente, a distribuição de renda do estrato que

Patrick Wöhrle Guimarães

446

Prevalence of temporary social security benefits due to respiratory disease in Brazil* Prevalência de benefícios de seguridade social temporários devido a doença respiratória no Brasil  

Microsoft Academic Search

Objective: To determine the prevalence of temporary social security benefits due to respiratory disease granted to employees, as well as the number of lost workdays and costs resulting from those in Brazil between 2003 and 2004. Methods: Cross-sectional study using data obtained from the Unified System of Benefits of the Brazilian Institute of Social Security (INSS, Instituto Nacional de Seguro

2009-01-01

447

The role of Amazonian rivers for wintering ospreys (Pandion haliaetus): clues from North American band recoveries in Brazil between 1937 and 2006  

Microsoft Academic Search

In this paper we describe band-recovery data from 90 ospreys (Pandion haliaetus), banded in North America and recovered in Brazil between 1937 and 2006. Data were obtained from the Bird Banding Laboratory (US Geological Survey, USA) and from the Centro Nacional de Pesquisa para Conservação das Aves Silvestres (IBAMA, Brazil). The majority of ospreys were banded near the coast in

Luiz A. M. Mestre; Richard O. Bierregaard Jr

2009-01-01

448

NSF-CNPq Collaborative Research Opportunities for FY 1998 (CISE)  

NSDL National Science Digital Library

This program, a joint venture of the National Science Foundation (NSF) and the Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq) of Brazil, aims to increase collaborative research between scientists in Brazil and the United States. Funding is available for research, workshops, and visiting faculty positions. Complete submission details are available at the site. Proposals are due the first Friday in October.

449

El valor de uso recreativo de los espacios naturales protegidos. Una aplicación de los métodos de valoración contingente y del coste del viaje  

Microsoft Academic Search

En este articulo se presenta una aplicación de dos de las metodologías desarrolladas para medir los beneficios que se derivan del uso recreativo de los bienes ambientales en ausencia de mercado, el método del coste del viaje (MCV) y el de valoración contingente (MVC). La zona objeto de estudio ha sido el Parque Nacional de “Aigüestortes y Estany de Sant

M. FARRÉ PERDIGUER

2003-01-01

450

La estrategia que salvó la imagen de un alcalde. El desalojo de los niños del Colegio Picacho? The srategy that saved a mayor's image. The violent eviction of the children os de Picacho School  

Microsoft Academic Search

Resumen: El desalojo de los alumnos del Colegio Picacho de una sala aneja a la alcaldía de Vigo, en la que se habían encerrado para reivindicar monitores de gimnasia y que provocó el paso por el hospital de 15 niños, algunos de los cuales permanecieron tres días en observación, fue un suceso cargado de emoción y con repercusión nacional que

Félix Blanco González

2009-01-01

451

Characterization of cocoa butter extracted from Criollo cultivars of Theobroma cacao L  

Microsoft Academic Search

Theobroma cacao L. cultivars grown in Venezuela are internationally, the most appreciated, due to their excellent flavor and aroma. The main objective of the present study was to determine the physical and chemical characteristics of cocoa butter extracted from different cultivars of Criollo cacao belonging to the germplasm bank of the Fondo Nacional de Investigaciones Agropecuarias (National Foundation for Agricultural

Rigel Liendo; Fanny C Padilla; Agricia Quintana

1997-01-01

452

Framing Controversies: Television and the 2002 Presidential Election in Brazil  

Microsoft Academic Search

This article investigates the role of television in the first round of the 2002 Brazilian presidential election. Content analysis and survey data are used to show that TV news and political advertising led to important framing effects. On the one hand, exposure to the most watched newscast, TV Globo's Jornal Nacional, led voters to support the interpretive frame that was

Mauro P. Porto

2007-01-01

453

Incidencias de la Economía China en la Demanda de Bienes Mundial  

Microsoft Academic Search

El sector privado nacional también creó nuevas empresas. Una gran cantidad de incentivos de los gobiernos central y locales (como exenciones de impuestos y bajos precios de la tierra y los servicios públicos) ayudaron a mantener bajos los costos de producción y altas las utilidades para ser reinvertidas en nuevas expansiones. Puesto que los controles del capital y el subdesarrollo

Luis Oliveros

2007-01-01

454

Efecto protector del Aloe vera (sábila) en lesiones gástricas inducidas con etanol en ratas Protective effect of Aloe vera in injuries gastric  

Microsoft Academic Search

Objective: To determine the cytoprotective effect of Aloe Vera (Sabila) on gastric mucosa and compare them with those produced by sucralfate in the experimentation animals. Design: Experimental study. Setting: San Marcos University Institute of Pathology. Lima, Perú. Materials: thirty six albino female rats were evaluated, of the specie Ratus norvegicus strain Holtzman of Instituto Nacional de Salud, Lima-Perú Interventions: Following

Ronald Arce; Janet Molina-Ordóñez; Fiorella Morán; José Moreno-Lozano

2007-01-01

455

Cultural Dimensions of Digital Library Development, Part II: The Cultures of Innovation in Five European National Libraries (Narratives of Development)  

ERIC Educational Resources Information Center

|This article presents the narrative accounts of the beginnings of digital library programs in five European national libraries: Biblioteca nacional de Portugal, Bibliotheque nationale de France, Die Deutsche Bibliothek, the National Library of Scotland, and the British Library. Based on interviews with policy makers and developers of digital…

Dalbello, Marija

2009-01-01

456

Cultural Dimensions of Digital Library Development, Part I: Theory and Methodological Framework for a Comparative Study of the Cultures of Innovation in Five European National Libraries  

ERIC Educational Resources Information Center

|This study examines the influence of culture on digital libraries of the first wave. The local cultures of innovation of five European national libraries (Biblioteca nacional de Portugal, Bibliotheque nationale de France, Die Deutsche Bibliothek, the National Library of Scotland, and the British Library) are reconstructed in case histories from…

Dalbello, Marija

2008-01-01

457

Lifelines-Pancreatic-Cancer-SPA-2013  

Cancer.gov

LOS HISPANOS Y EL CÁNCER DE PÁNCREAS: COSAS PARA SABER por el Instituto Nacional del Cáncer Una de las causas principales de muerte relacionadas con el cáncer en los hispanos o latinos de los Estados Unidos es una enfermedad poco común pero con frecuencia

458

An average\\/deprivation\\/inequality (ADI) analysis of chronic disease outcomes and risk factors in Argentina  

Microsoft Academic Search

BACKGROUND: Recognition of the global economic and epidemiological burden of chronic non-communicable diseases has increased in recent years. However, much of the research on this issue remains focused on individual-level risk factors and neglects the underlying social patterning of risk factors and disease outcomes. METHODS: Secondary analysis of Argentina's 2005 Encuesta Nacional de Factores de Riesgo (National Risk Factor Survey,

Fernando G De Maio; Bruno Linetzky; Mario Virgolini

2009-01-01

459

Crisis y Respuestas: Tarifa Social en Agua y Saneamiento en Argentina  

Microsoft Academic Search

En un trabajo reciente del Banco Mundial, se procesó una encuesta sobre consumo de servicios públicos en la Argentina, y se procesó, y algunos resultados se aprovechan en este artículo. La hipótesis del trabajo es que es posible diseñar un esquema nacional de subsidio al uso del servicio, con un conjunto relativamente pequeño de indicadores objetivos de pobreza estructural y

Diego Petrecolla; Gustavo Ferro

2003-01-01

460

LA RELACIÓN ENTRE LAPOLÍTICA PARA PROMOVER EL DESARROLLO DE LAS MIPYMES EN COLOMBIA Y LOSMODELOS DE DESARROLLO E INDUSTRIALIZACIÓN  

Microsoft Academic Search

Este trabajo busca evidencia en la literatura sobre la posible relación existente en Colombia entre los instrumentos de política de promoción de micro, pequeñas y medianas empresas (MIPYMES) y los modelos de desarrollo económico e ndustrialización. Por lo tanto, se analizan los planes de desarrollo económico y se estudian las leyes y documentos aprobados por el Consejo Nacional de Política

MARÍA TERESA VICTORIA

2003-01-01

461

Potential threat of malaria epidemics in a low transmission area, as exemplified by São Tomé and Príncipe  

Microsoft Academic Search

BACKGROUND: Plasmodium falciparum is the major cause of malaria infection in the island of São Tomé, in the Republic of São Tomé and Príncipe (STP), with an incidence of 40 - 50% before 2004. Since 2004, through the coordination of the Ministry of Health of STP and their Centro Nacional de Endemias (CNE), an integrated malaria control programme has been

Pei-Wen Lee; Chia-Tai Liu; Virgilio E do Rosario; Bruno de Sousa; Herodes Sacramento Rampao; Men-Fang Shaio

2010-01-01

462

CONTEXTOS E PERCEPÇÕES DE RACISMO NO QUOTIDIAN O  

Microsoft Academic Search

Resum o Em Portugal há poucos estudos sobre o racismo e ainda menos sobre o modo como o racismo é percepcionado por parte daqueles que dele são mais habitualmente vítimas. Neste artigo, que se baseia em evidência empírica resultante de um inquérito nacional e de entrevistas em profundidade a migrantes guineenses, analisam-se as percepções de racismo desses migrantes, tal como

Fernando Luís Machado

463

Lo multicultural como mitología y como coartada del racismo  

Microsoft Academic Search

La noción de cultura en tanto que conjunto de caracteres de un colectivo nacional, tribal o religioso, ha venido a reemplazar por equivalencia la noción de raza, desprestigiada por la experiencia nazi. Pero su funcionamiento objetivo es el mismo. Raza, nación y cultura son constructos nacidos a la sombra del Romanticismo, de la reacción antiiluminista. El multiculturalismo es la ideología

Horacio Vázquez Rial

2007-01-01

464

Columbus's Legacy, Conquest or Invasion? A Guatemalan Example of Counterhegemonic Teacher Practice and Curriculum.  

ERIC Educational Resources Information Center

|Evidence is presented that demonstrates the projection in some school settings of nuanced interpretations of the historical events and meanings related to 1492 and to the subsequent Spanish settlement of the Americas. In particular, the Maya language-Spanish language bilingual curriculum (Programa Nacional de Educacion Bilingue, PRONEBI) and Maya…

Wilhelm, Ronald W.

465

LOS CAMBIOS EN EL CONSUMO ALIMENTARIO: REPERCUSIÓN EN LOS PRODUCTOS MEDITERRÁNEOS  

Microsoft Academic Search

Introducción El consumo de productos alimentarios en España se ha modificado notablemente en las últimas décadas. Con datos de la Organización de las Naciones Unidas para la Agricultura y la Alimentación (FAO), los niveles de consumo de energía en España son similares al promedio de los países desarrollados (3.470 calorías), pero los niveles de consumo de proteína y de grasa

José María García Álvarez-Coque; Teresa López-García Usach

466

Immigrant Wages in the Spanish Labour Market: Does the Origin of Human Capital Matter?  

Microsoft Academic Search

The aim of this paper is to analyse the role played by the different components of human capital in the wage determination of recent immigrants within the Spanish labour market. Using microdata from the Encuesta Nacional de Inmigrantes 2007, the paper examines returns to human capital of immigrants, distinguishing between human capital accumulated in their home countries and in Spain.

Esteve Sanromá; Raul Ramos; Hipólito Simón

2009-01-01

467

Under the Shadow of the Dictatorship: Comics and Culture During the Process of National Re organization  

Microsoft Academic Search

In 1976, the military took power. The dictatorship's rule would prove a turning point in Argentine history. However, military coups were old news. Since 1930 Argentina had undergone five interruptions of democracy by military takeovers. However, the genocide carried out during the Proceso de Reorganización Nacional (Process of National Reorganization) was unprec - edented. The actions undertaken by the governing

Ernesto Torres; Giulia Luisetti

1976-01-01

468

Apprenticeship in Latin America: The INACAP Program in Chile. A Case Study. Occasional Paper #6.  

ERIC Educational Resources Information Center

The development of apprenticeship programs in several Latin American countries was investigated with a focus on the results of an industrial apprenticeship program in Santiago, Chile. The program studied was the Instituto Nacional de Capacitacion Profesional (INACAP), the national vocational training institute of Chile. The purpose of the study…

Corvalan-Vasquez, Oscar E.

469

Youth transition from school to work in Spain  

Microsoft Academic Search

Using a data set drawn from the Encuesta Socio-Demográfica conducted by the Instituto Nacional de Estad??stica in 1991, we analyze the labor market entrance of Spanish school leavers and the match between education and work at the early stages of working life. The empirical evidence shows that human capital exerts a strong influence on the duration of unemployment. With regard

Gérard Lassibille; Luc??a Navarro Gómez; Isabel Aguilar Ramos; Carolina de la O Sánchez

2001-01-01

470

Yeast communities in two Atlantic rain Forest fragments in Southeast Brazil  

PubMed Central

We studied the yeast communities associated with fruits, mushrooms, tree exudates, and flies of the genus Drosophila, in two Atlantic Rain Forest fragments in state of Minas Gerais, Brazil. A total of 456 samples were collected from Rio Doce State Park and 142 from Ecological Station of Universidade Federal de Minas Gerais. From these samples, 608 yeast isolates were obtained, belonging to 71 different species. Among the yeasts isolated from Rio Doce State Park, 17 isolates were recovered from fruits, 12 from mushrooms, 13 from tree exudates, and 299 from Drosophila spp. In the Ecological Station of Universidade Federal de Minas Gerais, 24 isolates were recovered from fruits and 243 from Drosophila spp. Distinct communities of yeast were observed in Drosophila flies, fruits, mushrooms and tree exudates. The highest number of yeast species was recovered from Drosophila flies suggesting that flies are the natural vectors of these microorganisms.

Pimenta, Raphael S.; Alves, Priscila D. D.; Almeida, Gabriel M. F.; Silva, Juliana F.M; Morais, Paula B.; Correa Jr., Ary; Rosa, Carlos A.

2009-01-01

471

Comparison between teacher grading and student self-grading in different modules of agronomy  

NASA Astrophysics Data System (ADS)

The adaptation of the Universities to European Higher Education Area (EHEA) involves changes in the learning system. Students must obtain specific capabilities in the different degrees or masters. For example, in the degree of Agronomy at the Universidad Politécnica de Madrid (Spain), they must command mathematics, English informatics or crop production. Moreover, students must attain personal skills such as leadership, team work, a critical spirit and a social, environmental and ethical commitment with the environment and the society. A way to evaluate the critical spirit of the students is to compare the grade obtained in a specific module with the grade that the students think he should get. The aim of this work is to evaluate the differences between teacher and student grading in different subjects related to soil science in different degrees and masters courses at the Universidad Politécnica de Madrid.

Méndez, A.; Paz-Ferreiro, J.; Guerrero, F.; Gascó, J. M.; Saá, A.; Tarquis, A. M.; Gascó, G.

2012-04-01

472

Nuclear isoscaling and fair sampling  

NASA Astrophysics Data System (ADS)

The isoscaling phenomenon was first observed in nuclear multifragmentation experiments and has become a hot topic as it could provide a probe of the nuclear equation of state to understand nuclear matter at extreme condition of isospin such as in neutron stars. The present work studies isoscaling using 1) classical molecular dynamics simulations, 2) percolation and 3) probabilistic arguments, and determines that isoscaling is a general phenomenon that can exist independent of the nuclear reaction, and it is expected to occur in disassemblying systems with no more than fair sampling. In collaboration with Alan Davila, University of Texas at Austin; Claudio Dorso, Universidad de Buenos Aires; Carlos Hernandez, Universidad de Colima; Christian Escudero, University of Texas at El Paso; and Jorge Muñoz, CalTech.

Lopez, Jorge

2008-10-01

473

[Reproduction, sexuality and power: the struggles and disputes over abortion and contraception in Rio de Janeiro, 1890-1930].  

PubMed

This article examines the debate among physicians over abortion, from the turn of the nineteenth century through to the 1930s, especially in the Academia Nacional de Medicina (National Academy of Medicine). Considered a crime, abortion was seen as something that threatened the dominance of husbands over wives and the control over medical practice in relation to the female body. Midwives, seen as the propagators of the techniques of medical termination of pregnancy, were opposed as a serious threat to the established gender order. Ten theses of the Faculdade de Medicina do Rio de Janeiro were analyzed, as well as the bulletins of the Academia Nacional de Medicina and articles published in the Correio da Manhã and O Globo newspapers. PMID:23184238

Silva, Marinete Dos Santos

2012-11-27

474

The Aquarius Superclusters. II. Spectroscopic and Photometric Data  

NASA Astrophysics Data System (ADS)

We present spectroscopic and photometric data for 920 galaxies selected in 68 fields of the Aquarius Cluster Catalog. Typically, the 15 brightest candidate members with magnitudes in the range 16Nacional de Astrofísica (LNA); and Complejo Astronomico El Leoncito (CASLEO), operated under agreement between the Consejo Nacional de Investigaciones Científicas de la República Argentina and the National Universities of La Plata, Córdoba, and San Juan.

Caretta, César A.; Maia, Marcio A. G.; Willmer, Christopher N. A.

2004-12-01

475

Entomopathogens from two Chihuahuan desert localities in Mexico  

Microsoft Academic Search

A list of entomopathogens from two Chihuahuan desertlocalities in México is given. Rhabditid nematodes, nuclear polyhedrosis\\u000a viruses, a rickettsia(Rickettsiella popilliae), the fungi Beauveria bassiana,Entomophaga calopteni (= Entomophaga gryllipathotype 2),Entomophthora muscae, Entomophthora planchoniana,Furia vomitoriae, Nomuraea rileyi, Metarhiziumanisopliae var. anisopliae, Pandora gammae, Pandoraneoaphidis and Zoophthora radicans, and the microsporidian Nosema weiseri were all collected from the campus of the UniversidadAutónoma Agraria Antonio

Sergio R. Sanchez-Peña; Agraria Antonio

2000-01-01

476

Geometrical gauge approach for electromagnetism and gravitation  

NASA Astrophysics Data System (ADS)

A gauge model for gravitation coupled to Maxwell theory is examined. By considering the Lorentz and U (1) groups in a bundle of linear frames, the Maxwell equations and Yang's gravitational equation are derived. The approach has a gauge-like lagrangian for the sourceless case, which leads to the field equations. Present address: Departamento de Fisica, Universidade Federal do Parana, Caixa Postal 19081, 80.000 Curitiba PR, Brazil.

Stedile, E.

1986-11-01

477

The Current Star Formation Rate of the Local Universe: Erratum  

Microsoft Academic Search

The Universidad Complutense de Madrid (UCM) Survey is a long-term project aiming at finding and analysing star-forming galaxies detected by their H$\\\\alpha$ emission in Schmidt objective-prism plates. The instrumental set-up limits the volume of the Universe surveyed to a redshift $z\\\\lesssim0.045$. So far we have discovered several hundred emission-line galaxies (ELGs) undergoing star formation at a wide range of levels.

J. Gallego; J. Zamorano; A. Aragon-Salamanca; M. Rego

1996-01-01

478

Recent Transits of the Super-Earth Exoplanet GJ 1214b  

Microsoft Academic Search

We report recent ground-based photometry of the transiting super-Earth exoplanet GJ 1214b at several wavelengths, including the infrared near 1.25 mum (J band). We observed a J-band transit with the FLAMINGOS infrared imager and the 2.1 m telescope on Kitt Peak, and we observed several optical transits using a 0.5 m telescope on Kitt Peak and the 0.36 m Universidad

Pedro V. Sada; Drake Deming; Brian Jackson; Donald E. Jennings; Steven W. Peterson; Flynn Haase; Kevin Bays; Eamon O'Gorman; Alan Lundsford

2010-01-01

479

Human resource development in the knowledge based and services driven economy : An introduction  

Microsoft Academic Search

Purpose – In July 2009 the Universidade Lusíada de Famalicão organized the International Conference on Managing Services in the Knowledge Economy 2009 (MSKE 2009). http:\\/\\/clegi.fam.ulusiada.pt\\/MSKE2009\\/. MSKE 2009 was an interesting forum which gathered 60 specialists from 20 countries in different areas such as knowledge management, intellectual capital, human resource development, social policy, law and international economics. In the human resource

Eduardo Tomé

2011-01-01

480

Effect of Cadmium on Cellular Viability in Two Species of Microalgae ( Scenedesmus sp. and Dunaliella viridis )  

Microsoft Academic Search

We determined the effect of several concentrations of cadmium (0, 5, 10, and 20 ?g\\/l) on cellular viability in the microalgae\\u000a Scenedesmus sp. and Dunaliella viridis, by measuring growth at 0, 24, 48, 72, and 96 h and pigment production at 10 days. Algae were obtained from the Nonvascular\\u000a Plant Laboratory collection, in the Facultad Experimental de Ciencias, Universidad del Zulia, Venezuela. Growth

Letty Beatriz C. Marcano; Ingrid M. Carruyo; Xiomara M. Montiel; Carolina B. Morales; Patricia Moreno de Soto

2009-01-01

481

Olive oil consumption and reduced incidence of hypertension: The SUN study  

Microsoft Academic Search

Olive oil, a major component of the Mediterranean diet, has been associated in some small clinical trials and cross-sectional\\u000a studies with a reduction in blood pressure. The objective of this study was to assess the association of olive oil consumption\\u000a with the incidence of hypertension in an epidemiologic cohort, the Seguimiento Universidad de Navarra (SUN) study. The SUN\\u000a Project is

Alvaro Alonso; Miguel Ángel Martínez-González

2004-01-01

482

[Parochial hospital of San Bernardo, Chile: serving the community for over a century].  

PubMed

The Parochial Hospital of San Bernardo is an intermediate complexity hospital that functions in its original 115- year- old building. It is one of the oldest hospitals in the country. Driven by the local Catholic Church and despite multiple difficulties, the hospital has uninterruptedly served a progressively growing community, with medical care and spiritual support. In the last two decades, it also has incorporated teaching activities with Universidad de los Andes Medical School. PMID:23732424

Espinoza G, Ricardo

2013-01-01

483

A virtual educational strategy on telemedicine and medical simulation.  

PubMed

Medical services in Columbia are scarce in many regions, not only because of accessibility problems and costs, but also because of difficulties in access to medical knowledge. We envision a long-term strategy for virtual education programs, based upon communication technologies that could be developed by private and government institutions. The diffusion of telemedicine concepts, applications, and technologies are critical for propagating medical knowledge. This paper describes the virtual education experiences at the Pontificia Universidad Javeriana. PMID:16149897

Vélez Beltrán, Jorge Alberto; Newball, Andres Adolfo Navarro

2005-08-01

484

Bacillus cereus EM AMOSTRAS DE DOCES INDUSTRIALIZADOS COMERCIALIZADOS POR AMBULANTES NOS MUNICÍPIOS DE SEROPÉDICA E ITAGUAÍ - RJ  

Microsoft Academic Search

GOMES, L. P.; RODRIGUES, M. M.; SOARES, G.; BARONI, F. de A. and SOUZA, M. M. S. de. Bacillus cereus in samples of street-vended candies in counties of Seropédica and Itaguaí - RJ. Revista Universidade Rural: Série Ciências da Vida, Seropédica, RJ: EDUR, v. 24, n.2, p. 103-106, jul.-dez, 2004. Bacillus. cereus is a facultative aerobic sporeforming bacterium commonly found

LIGIA PORTUGAL GOMES; MAURA MENEZES RODRIGUES; GABRIELA SOARES; FRANCISCO DE ASSIS BARONI; MILIANE MOREIRA SOARES DE SOUZA

485

Applied nutritional investigation Association of fiber intake and fruit\\/vegetable consumption with weight gain in a Mediterranean population  

Microsoft Academic Search

Objective: We assessed the association between fiber intake and fruit\\/vegetable consumption with the likelihood of weight gain in the previou s5yi n aMediterranean population. Methods: We conducted a cross-sectional analysis of participants (5094 men and 6613 women) in a multipurpose prospective cohort (Seguimiento Universidad de Navarra Study). Diet was measured by using a semiquantitative food-frequency questionnaire that was previously validated

Maira Bes-Rastrollo; Miguel Ángel Martínez-González; Almudena Sánchez-Villegas; J. Alfredo Martínez

486

A diallel study of yield components and fruit quality in chilli pepper ( Capsicum baccatum )  

Microsoft Academic Search

The aim of this work was to estimate the general and specific combining ability of peppers by measuring fruit quality and\\u000a yield traits. This experiment was carried out on the garden field from Universidade Federal de Viçosa (UFV), Minas Gerais\\u000a State—Brazil. Eight lines of Capsicum baccatum belonging to the UFV Horticultural Germplasm Bank were chosen based on their broad genetic

Elizanilda Ramalho do Rêgo; Mailson Monteiro do Rêgo; Fernando Luiz Finger; Cosme Damião Cruz; Vicente Wagner Dias Casali

2009-01-01

487

Improving weather modeling in South America through IDD-Brasil  

Microsoft Academic Search

The IDD-Brasil constitutes of an international collaboration among Universidade Federal do Rio de Janeiro (LPM\\/UFRJ), Centro de Previsão de Tempo e Estudos Climáticos (CPTEC\\/INPE) and the Unidata Program Center (Unidata\\/UCAR), which connects several universities and research centers across the Americas in a network to share real-time hydro meteorological data. Using this network as a new path to deliver and acquire

G. O. Chagas

2007-01-01

488

Short Communication Development and characterization of microsatellite primers in Pogostemon cablin (Lamiaceae).  

PubMed

Microsatellite primers were developed and optimized for patchouli (Pogostemon cablin) to characterize the patchouli Active Germplasm Bank of Universidade Federal de Sergipe. Creation of a genomic library for patchouli enabled the design of 12 microsatellite primers. Six of these microsatellites were polymorphic, revealing two well-defined groups of individuals that possess exclusive alleles. The data allowed us to characterize the patchouli active Germplasm Bank, identify its genetic diversity, and provide new information for researching this species. PMID:24065640

Sandes, S S; Pinheiro, J B; Zucchi, M I; Monteiro, M; Arrigoni-Blank, M F; Blank, A F

2013-08-08

489

Factors influencing the outcome of economic sanctions  

Microsoft Academic Search

\\u000a Resumen  El presente artículo se basa en otros dos, inéditos, con el mismo título (Wold, 1978, 1980). El primero de ellos (5 páginas)\\u000a fue presentado en el Taller Internacional para la Solución de Conflictos, Universidad de Haifa, Israel, 19–24 de junio de\\u000a 1978. El segundo (28 páginas) fue presentado ante el Cuarto Congreso Mundial de Sociedad Econométrica, efectuado entre el\\u000a 21

Herman Wold

1985-01-01

490

Using Inferno for an Advanced Operating Systems Course  

Microsoft Academic Search

During spring 2000 we faced the question of how to design an Advanced Operating Systems Course at Universidad Rey Juan Carlos of Madrid. After browsing through the internet, we found that on most occasions, a not-so-advanced operating system was being usually used to teach such kind of course. This brief note describes the experience of using an state-of-the-art Operating System

Francisco J. Ballesteros; Sergio Arevalo

2001-01-01

491

Opera: Objective-Prism Reduction Package  

NASA Astrophysics Data System (ADS)

Surveys of star-forming galaxies are of vital importance to constrain galactic evolution theories. One of the most successful searching methods is the objective-prism (OP) technique, which can register thousands of low resolution spectra in large areas. The UCM-CIDA (Universidad Complutense de Madrid-Centro de Investigación F. J. Duarte) project expects to cover 150 square degrees and detect ˜ 2000 H? emission line galaxies.

García Dabó, C. E.; Gallego, J.

1998-06-01

492

Quinacrine Hydrochloride Pellets: Preliminary , Data on a Nonsurgical Method of Female Sterilization  

Microsoft Academic Search

Zipper J, Cole Goldsmith A, Wheeler R,(Depts de Fisiologia y Escuela deUniversidad de Chile, Santiago, y Ginecologia,Hospital Sotero Rio, Puente Chile, and International Fertility Research Program, Research Triangle Park,NC, USA). hydrochloride pellets: preliminary data on a nonsurgical method sterilization.J Obstet 18: 275-279, 1980The efficacy of transcervical insertions of quinacrine hydrochloridepellets to produce tubal occlusion has beenuated in a study of

Jaime Lynda Painter Cole

1980-01-01

493

RXI concentrator for 1000X photovoltaic energy conversion  

NASA Astrophysics Data System (ADS)

The purpose of this work is to present the measurements of the main characteristics of a series of RXI concentrators developed: angular transmission, acceptable angle, optical efficiency, and optical concentration. The RXI concentrator has been designed with the Simultaneous Multiple Surfaces method developed by Minano et al. at the Instituto de Energia Solar--Universidad Politecnica de Madrid. The design characteristics are: geometric concentration 1256X, acceptance angle 1.8 degree(s).

Alvarez, J. L.; Hernandez, Maikel; Benitez, Pablo; Minano, Juan C.

1999-10-01

494

Shallow gas accumulation in sediments of the Patos Lagoon, southern Brazil  

Microsoft Academic Search

A high resolution seismic survey was conducted in the Patos Lagoon, southern Brazil, aboard of the research vessel LARUS of the Fundação Universidade Federal do Rio Grande (FURG). Around 400 km of 3.5 kHz seismic profiles were collected, which provided acoustic signals of good penetration depth and resolution. Seismic anomalies, including turbidity and pocket gas, revealed that gas-charged sediments are

Jair Weschenfelder; Salvador Aliotta; Carla M. Pereira; VINICIUS E. B. DE VASCONCELLOS

2006-01-01

495

Echinoderm (Echinodermata) diversity in the Pacific coast of Central America  

Microsoft Academic Search

We present a systematic list of the echinoderms of Central America Pacific coast and offshore island, based on specimens of\\u000a the National Museum of Natural History, Smithsonian Institution, Washington D.C., the Invertebrate Zoology and Geology collections\\u000a of the California Academy of Sciences, San Francisco, the Museo de Zoología, Universidad de Costa Rica, San José and published\\u000a accounts. A total of

Juan José Alvarado; Francisco A. Solís-Marín; Cynthia G. Ahearn

2010-01-01

496

Groundwater flow and solute transport in fracture zones: an improved model for a large-scale field experiment at Äspö (Sweden)  

Microsoft Academic Search

157-172 Groundwater flow and solute transport in fracture zones: an improved model for a large-scale field experiment at Äspö (Sweden) Jorge Molinero E.T.S. Ingenieros de Caminos Canales y Puertos, Campus de Elvina Universidadde A Coruña 15192 A Coruña Spain E-mail: molinero@iccp.udc.es Javier Samper E.T.S. Ingenieros de Caminos Canales y Puertos, Campus de Elvina Universidad de A Coruna, 15192 A Coruna,

Jorge Molinero; Javier Samper

2004-01-01

497

ACTIVIDAD DE GLUTATIÓN PEROXIDASA EN BOVINOS LECHEROS A PASTOREO CORRELACIONADA CON LA CONCENTRACIÓN SANGUINEA Y PLASMÁTICA DE SELENIO1  

Microsoft Academic Search

Selenium (Se) is part of the antioxidant enzyme glutathione peroxidase (GSH-Px; EC 1.11.1.9) structure, whose blood activity is related to the blood level of selenium. This study was designed to validate the analytical method to analyze the GSH-Px blood activity at the Clinical Pathology Laboratory of the Universidad Austral de Chile, and to correlate it with blood Se level in

ALEJANDRO CEBALLOS; FERNANDO GERMAN WITTWER; PEDRO ALBERTO CONTRERAS; EDUARDO QUIROZ

498

A comparison of information on motor vehicle crashes as reported by written or telephone interviews  

Microsoft Academic Search

Objective: To compare information about traffic crash injuries and kilometers driven reported in a written questionnaire with information reported in a telephone interview.Design: Telephone and paper surveys.Setting: The Seguimiento Universidad de Navarra (SUN, University of Navarra Follow-up) study, in Spain. The SUN study is an open enrollment cohort study with 17 000 enrolled graduates followed through biennial mailed questionnaires.Subjects: A

A Alonso; S Laguna; M Segui?-Go?mez

2006-01-01

499

Occurrence and characterization of injuries caused by Mycotretus apicalis Lacordaire, 1842 (Coleoptera: Erotylidae) on cultivation of Pleurotus sajor-caju  

Microsoft Academic Search

When carrying out experiments on the production of the edible mushroom Pleurotus sajor-caju in the Laboratory of Edible Mushrooms, Universidade Federal de Lavras, Lavras, Brazil, in the second half of 2007, the presence\\u000a of beetles later identified as belonging to the species Mycotretus apicalis was verified. This is the first recorded instance of this insect in cultures of P. sajor-caju

Grazielle Furtado Moreira; Camila Costa Moreira; Vanessa Andaló; Alcides Moino Junior; Emerson Tokuda Martos; Eustáquio Souza Dias; Peterson Lásaro Lopes

2010-01-01

500

Blended-learning in Science and Technology. A Collaborative Project-Based Course in Experimental Physics  

Microsoft Academic Search

Summary This work describes a science and technology course in the Universidade Nova de Lisboa (Portugal), and its evolution towards a blended-learning format and a constructivist instructional design based on collaborative projects. The core of our work was to identify critical points and recommendations concerning the use of e-learning and project-based learning in an Applied Optics course where laboratory activities

António Maneira; M. J. P. Maneira

2009-01-01