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1

El dolor como terapia. La médula común de los campos de concentración nazis y franquistas  

Microsoft Academic Search

Los campos de concentración franquistas y los nazis evidencian un cuerpo común. En ambos se desarrollaba una terapia para los internos que tenía al cuerpo como vehículo de aprendizaje. El tratamiento político prescribía penalidades físicas — la suciedad, el hambre, la sed— y morales que debían conducir a los prisioneros a comprender la finalidad buscada por el Estado totalitario alemán

Mirta Núñez Díaz-Balart

2005-01-01

2

A EFICIÊNCIA DOS PROGRAMAS EDUCATIVOS IMPLEMENTADOS POR EMPRESAS E ORGÃOS GOVERNAMENTAIS COMO FORMA DE PREVENÇÃO AO IMPACTO AMBIENTAL CAUSADO PELO DESCARTE INCORRETO DAS EMBALAGENS DE AGROTÓXICOS EM CAMPOS GERAIS NO SUL DO ESTADO DE MINAS GERAIS  

Microsoft Academic Search

Este estudo atua com uma ferramenta de feedback quanto aos resultados obtidos com os programas educacionais em combate ao descarte incorreto de embalagens vazias no município de Campos Gerais no Sul do Estado de Minas Gerais. Os objetivos são mensurar a eficiência dos -programas educativos implementados por empresas e órgãos governamentais como forma de prevenção ao impacto ambiental causado pelo

Jairo Gustavo De Lima; Marcelo Marcio Romaniello; Cristhiane Oliveira Da Graca Amancio

2008-01-01

3

EQUIPOS COOPERATIVOS EN EL AULA  

Microsoft Academic Search

No cabe duda de que los seres humanos vivimos en sociedad, una sociedad cada vez más variopinta, hablando, pues, de interculturalidad. Dentro del aula, ocurre exactamente igual, nos encontramos con un amplio abanico de alumnos, con distintas características (sociales, económicas, de raza, de sexo, de religión …), distintas expectativas, distinta motivación, … Por ello, la educación en valores cobra una

Eva María Rodríguez Cobos

2009-01-01

4

BUSCANDO A ALEGRIA NA SALA DE AULA  

Microsoft Academic Search

RESUMO: O presente artigo busca refletir sobre a freqüente insatisfação observada nas salas de aula e sobre o que é possível fazer para reverter esse quadro. Ele apresenta uma análise da realidade vivida pelo Ensino Fundamental do Colégio Estadual Pedro Viriato Parigot de Souza, Município de Marialva - PR, no ano de 2008, considerando que a situação não é muito

Irene Liesemberg Souto Maior

2008-01-01

5

L'Aula del Cel: Communicating Astronomy at School Level  

NASA Astrophysics Data System (ADS)

L'Aula del Cel (The "Sky Classroom") is an effort to bring astronomy closer to school children. It is a project led by the Astronomical Observatory of the University of Valencia in collaboration with the regional education authorities. It has been running for two years and it has been a big success, with nearly three thousand students visiting the Aula during the school term.

Ortiz-Gil, A.; Gomez-Collado, M.; Gallego-Calvente, A. T.

2005-12-01

6

Investigações Matemáticas na Sala de Aula: Um Projecto Colaborativo1  

Microsoft Academic Search

Este artigo apresenta o trabalho levado a cabo por um grupo colaborativo envolvendo professores de Matemática e investigadores com o objectivo de (i) desenvolver tarefas susceptíveis de desafiar os alunos a fazerem investigações matemáticas e (ii) estudar os problemas que a realização desse tipo de aulas coloca aos professores. Dá-se uma perspectiva geral do trabal ho realizado e apresenta -se

Hélia Oliveira; Irene Segurado; João Pedro da Ponte; Maria Helena Cunha

7

INADEQUAÇÃO ERGONÔMICA E DESCONFORTO DAS SALAS DE AULA EM INSTITUIÇÃO DE ENSINO SUPERIOR DO RECIFE-PE Classrooms' ergonomic inadequacy and discomfort at a private academic institution in Recife-PE  

Microsoft Academic Search

RESUMO Objetivos: Verificar a adequação ergonômica das salas de aula e o nível de conforto atribuído pelos alunos ao ambiente escolar de uma instituição privada de ensino superior na cidade de Recife, Pernambuco. Métodos: Estudo de série de casos, transversal e descritivo, realizado de agosto a dezembro de 2006, tendo como população os alunos matriculados nos seguintes cursos: Fisioterapia, Direito,

Gisela Rocha de Siqueira; Aline Bezerra de Oliveira; Ricardo Alexandre Guerra

2008-01-01

8

El ``Aula del Cel'': astronomy approaching high school  

NASA Astrophysics Data System (ADS)

The “Aula del Cel” is a project carried out by the Astronomical Obsevatory of the University of Valencia, Spain. It offers high-school teachers a tool for teaching Astronomy to 10 to 17 year-old students. Different programs, experiments, and audiovisual presentations have been prepared by a team formed both by professional astronomers and teachers, and are offered in a format chosen to suit each particular age and curriculum group. Special sessions have been designed for students with special needs (for example blind or autistic children) in close contact with the pedagogical teams responsible for their education. Nearly three thousand students have already visited the “Aula del Cel” over the first six months that it has been offered to the school community.

Ortiz-Gil, A.; Gómez Collado, M.; Gallego Calvente, A. T.

9

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

10

Fotometría CCD en el campo del cúmulo abierto Ruprecht 58  

NASA Astrophysics Data System (ADS)

La región de Vela-Puppis contiene varios cúmulos cuyo estudio puede brindarnos información acerca de la cinemática y el estado evolutivo de la población estelar en las zonas externas del disco galáctico. A través de observaciones CCD en los filtros UBV en el campo del cúmulo abierto Ruprecht 58 (?2000= 8h 14m 41s, ?2000=-31o 57'), se han determinado por primera vez los parámetros fundamentales de este cúmulo tales como distancia, enrojecimiento y edad. Se analiza también la estructura de su secuencia principal y la presencia de gigantes y binarias.

Giorgi, E. E.; Vázquez, R. A.; Seggewiss, W.; Ostrov, P.; Solivella, G. R.

11

A dinâmica discursiva na sala de aula e a apropriação da escrita  

Microsoft Academic Search

RESUMO: Este trabalho discute, no contexto da teoria sociocultural, alguns elementos que constituem a dinâmica discursiva de uma sala de aula em que a escrita e as normas ortográficas são ob- jetos de ensino-aprendizagem. O vídeo foi usado na coleta de dados e as transcrições, organizadas na forma de episódios de ensi- no, foram submetidas à análise microgenética. Essa análise

Maria do Socorro Alencar Nunes Macedo; Eduardo Fleury Mortimer

2000-01-01

12

ESTRATEGIAS CONVERSACIONALES EN LOS MANUALES DE ELE Y SU APLICACIÓN EN EL AULA  

Microsoft Academic Search

1. Introducción El tema de esta comunicación tiene su origen en motivos muy prácticos. Primero, las necesidades comunicativas en el aula de ELE, y segundo, el carác- ter silencioso de los finlandeses. Las personas que provienen de diferentes culturas reaccionan de modo muy variado en las situaciones comunicativas. En la comunicación intercultural, donde personas pertenecientes a diferentes culturas se relacionan,

Tiina-Leena Salo

13

Descrição morfológica e fenologia floral em alfavaca do campo (Ocimum campechianum Mill.)  

Microsoft Academic Search

RESUMO Ocimum campechianum Mill, conhecida no nordeste brasileiro como alfavaca do campo, é uma importante fonte de óleos essenciais presentes nas folhas, inflorescências e sementes da planta adulta, cujas propriedades medicinais, aromáticas e condimentares são reconhecidas e empregadas na medicina natural e culinária regional. O objetivo deste trabalho foi realizar o estudo da morfologia floral e fenologia da floração em

Anderson Brito da Silva; Marcela Fonseca Souza; Alisson Harley; Brito da Silva

14

The Campo Imperatore Near Earth Object Survey  

Microsoft Academic Search

The CINEOS program (Campo Imperatore Near Earth Object Survey), started in 2001, is dedicated to the discovery and follow-up of Near Earth Objects, namely asteroids and comets which periodically approach or intersect the Earth's orbit. In particular CINEOS is addressed to the discovery of Atens and Inner Earth Objects (IEOs) by extending survey coverage at small solar elongations, and to

A. Boattini; A. Di Paola; F. Bernardi; F. De Luise; V. Casula; A. Giunta; D. Perna; N. Napoleone; A. Carusi; E. Dotto; G. B. Valsecchi

2004-01-01

15

Novel Au\\/La 1? x Sr x MnO 3 and Au\\/La 1? x Sr x CrO 3 composites: Catalytic activity for propane partial oxidation and reforming  

Microsoft Academic Search

This work describes the low temperature synthesis of novel nanosized Au\\/La1?xSrxMnO3 (x?0.4) and Au\\/La0.85Sr0.15CrO3 composites and investigates their potential as anodic catalysts for propane reforming. The pristine La1?xSrxMnO3 (x?0.4) and La0.85Sr0.15CrO3 were prepared by a modified nitrate–citrate Pechini method and the process was optimized in order to obtain high surface area perovskite powders. These materials with nanometric or sub-micrometric grain

S. Barison; M. Battagliarin; S. Daolio; M. Fabrizio; E. Miorin; P. L. Antonucci; S. Candamano; V. Modafferi; E. M. Bauer; C. Bellitto; G. Righini

2007-01-01

16

Aula Verde: art as experience in community-based environmental education.  

PubMed

After winning a class-action lawsuit against unconstitutional prison conditions in Puerto Rico, Marco Abarca managed to direct part of the fine monies accumulated throughout years of litigation toward an investment that would improve the living conditions in one of the largest and poorest housing projects in Puerto Rico. With the participation of parolees and probationers, he began to transform a mosquito-infested badland into a natural haven. Then, with the help of science educators, the group designed a workshop for elementary school children on urban ecology. As the participants organized, what developed was a community-based, self-employed enterprise known as Aula Verde. PMID:20391620

Abarca, Marco A

2010-01-01

17

76 FR 6153 - Supplemental Environmental Impact Statement for the Proposed Campo Regional Landfill Project on...  

Federal Register 2010, 2011, 2012, 2013

...Supplemental Environmental Impact Statement for the Proposed Campo Regional...cooperation with the Campo Band of Mission Indians (Campo Band), Campo...Supplemental Environmental Impact Statement (SEIS) for the BIA Federal...SEIS because the Campo Band of Mission Indians, by Tribal...

2011-02-03

18

75 FR 8986 - Draft Supplemental Environmental Impact Statement for the Proposed Campo Regional Landfill...  

Federal Register 2010, 2011, 2012, 2013

...Supplemental Environmental Impact Statement for the Proposed Campo Regional...Supplemental Environmental Impact Statement (DSEIS) for an amended lease...Final Environmental Impact Statement (FEIS) for the proposed...cooperation with the Campo Band of Mission Indians (Campo Band),...

2010-02-26

19

"Ask Argonne" - Edwin Campos, Research Meteorologist, Part 2  

ScienceCinema

Argonne's Edwin Campos has for the last two decades studied weather, and in particular, clouds. His research can help make solar power a more viable option for the U.S. and the world. In this video, Dr. Campos answers questions that were submitted by the public in response to his introductory video: http://www.youtube.com/watch?v=pfdoHz.... We will be posting a new "Ask Argonne" video every other month, on various topics. Keep an eye out for your next opportunity to submit a question and see if it gets answered - and if you get a shout-out on camera.

20

Teaching and outreach in the Aula d'Astronomia of the Universitat de València: a lab for studying the heavens  

NASA Astrophysics Data System (ADS)

The Aula d'Astronomia is a teaching laboratory of the Faculty of Physics, University of Valencia, managed by the Departamentd'Astronomia i Astrofísica. In it, practices of some astronomical specialities are taught. Therefore, we have a classroomwith computers together with four specific telescopes installed on the terrace (a solar one, a reflector with CCD, anapochromatic refractor and a radiotelescope). Apart from the academic aspect, the Aula d'Astronomia has been widely used foroutreach activities through various educational programs such as visits from elementary and high schools, the open dayConéixer la Universitat visits, the activities of the Week of Science, and public astronomy observation nights as theNits de divendres, nits d'estels. Finally, we should emphasize its use in important ephemerides such as the transit of Venus in 2004, the solar eclipse of 2005, or the open day activities of IYA2009. Located in the building Jeroni Muñoz at the Burjassot-Paterna Campus, since its inauguration in 1997, about 15000 people have used its facilities to attend classes, outreach lectures or make day and night observations.

Marco, E.; Ballesteros, F.

2011-11-01

21

‘Little Ice Age’ glacier fluctuations, Gran Campo Nevado, southernmost Chile  

Microsoft Academic Search

Moraine systems of Glaciar Lengua (unofficial name) and neighbouring glaciers of Gran Campo Nevado (53°S) in the southernmost Andes were mapped and dated by dendrochronological means. They were formed around AD 1628, 1872\\/1875, 1886, 1902, 1912 and 1941 with the advance in the 1870s being calendar dated. Recessional moraines within each moraine system correspond to brief standstills or minor readvances.

Johannes Koch; Rolf Kilian

2005-01-01

22

Desafíos de la educación e innovación en el aula: XXII Premios Francisco Giner de los Ríos a la Mejora de la Calidad Educativa  

Microsoft Academic Search

Desafíos de la educación e innovación en el aula. XXII Premios Francisco Giner de los Ríos a la Mejora de la Calidad Educativa recoge los trabajos galardonados en dicha edición de estos premios, convocados por el Ministerio de Educación y Ciencia y la Fundación BBVA. El objetivo central de toda institución escolar es ofrecer una educación de calidad. Para lograrlo,

V. V. AA

23

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

24

MAG waves in magnetic and rotating stars (Campos, 2011)  

NASA Astrophysics Data System (ADS)

The expression for the energy flux of magnetoacoustic-gravity-inertial (MAGI) waves derived in the Part I (Campos, 2011MNRAS.410..717C) of the present paper is applied to the luminosity of stars, leading to more than 60 relations between observable stellar quantities. Three of these relations are compared with empirical data, viz. concerning stellar luminosity or brightness compared with (i) magnetic field strength for strong magnetic stars, (ii) rotation period for fast rotating stars and (iii) mass and temperature for stars in general. (4 data files).

Campos, L. M. B. C.

2011-08-01

25

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

26

Estagio atual de conhecimento da geoquimica organica das bacias de Campos e Espirito Santo. (Actual stage of organic geochemical knowledge from Campos and Espirito Santo basins, Brazil).  

National Technical Information Service (NTIS)

Campos and Espirito Santo basins display several similar geochemical aspects. The microbial and other degradation processes caused changes in the composition of the oils in the reservoir rocks. The oils are biodegraded in different degrees, with the reser...

P. C. Gaglianone L. A. F. Trindade

1987-01-01

27

One project of Educational Innovation applying news Information and Communications Technologies (ICT): CyberAula 2.0  

NASA Astrophysics Data System (ADS)

The main objective of the CyberAula 2.0 project is to support, record and validate videoconferencing and lecture recording services by means the integration of the Polytechnic University of Madrid (UPM) Moodle Platform with both the Global Plaza platform and Isabel videoconference tool. Each class session is broadcast on the Internet and then recorded, enabling geographically distant students to participate in on-campus classes. All the software used in the project is open source. The videoconferencing tool that we have used is called Isabel and the web platform to schedule, perform, stream, record and publish the videoconferences automatically is called GlobalPlaza. Both of them have been developed at UPM (Universidad Politécnica de Madrid) and are specifically designed for educational purposes. Each class session is broadcasted on the Internet and recorded, enabling geographically distant students to participate live in on-campus classes with questions through a chat tool or through the same videoconference. In order to provide educational support to GlobalPlaza, the CyberAula 2.0 project has been proposed. GlobalPlaza (Barra et al., 2011) is the web platform to schedule, perform, stream, record and publish videoconferences automatically. It is integrated with the videoconferencing tool called Isabel (Quemada et al, 2005), which is a real-time collaboration tool for the Internet, which supports advanced collaborative web/videoconferencing with application sharing and TV like media integration. Both of them are open source solutions which have been developed at our university. GlobalPlaza is a web application developed in the context of the GLOBAL project, a research project supported by the European Commission's seventh framework program. Students can review the recording lectures when needed through Moodle. In this paper we present the project developed at the Escuela Técnica Superior de Ingenieros Agrónomos (ETSIA), Secondary Cycle free-elective-subject, which is currently in process of expiration with the introduction of new curricula within the framework of the European Higher Education Space. Students participate in this subject with outstanding interest, thus achieving transversal competences as they must prepare and present a report in the last week of the Semester. The Project development background was the inclusion of the subject Plants of agro-alimentary interest. It has a quite remarkable, attractive practical deal within the Subjects Offer by this Center and it is one of the most demanded subjects of the free elective ones by students, whose active participation can be highlighted, either in practical workshops or in their individual presentation of reports. In the workshops they must identify, describe, classify and even taste several species of agro-alimentary interest (fruits of tempered or tropical regions, aromatic plants and spices, edible mushrooms and cereals and pseudocereals), many of them formerly unknown for the majority. They are asked to fill some questionnaires in order to consolidate concepts and to evaluate their personal participation in the subject development.

Mendiola, M. A.; Aguado, P. L.; Espejo, R.

2012-04-01

28

La posesión como hecho punible  

Microsoft Academic Search

Este trabajo estudia el delito de posesión, el cual se extiende semánticamente hasta términos como custodia, mantener disponible, almacenar, etc., y como conminada con la pena se halla la posesión de explosivos, de armas de fuego, de drogas, de pornografía infantil, etc. En este mismo trabajo se analizan, bajo la óptica del Código Penal alemán, cómo las acciones graves o

Friedrich Christian Schroeder

29

Lake Como 1991 Reservoir Survey.  

National Technical Information Service (NTIS)

This report presents the results of the first extensive survey of Lake Como by Reclamation since construction of Como Dam. The primary objective of the 1991 survey was to gather necessary data for computing the current total and active capacities of Lake ...

R. L. Ferrari

1992-01-01

30

DINÂMICA DA EXPANSÃO FLORESTAL EM MOSAICOS DE FLORESTA E CAMPOS NO SUL DO BRASIL  

Microsoft Academic Search

Resumo No sul do Brasil vegetação campestre e florestal interpenetram-se sob condições climáticas que seriam típicas de predomínio florestal. Evidências paleoecológicas indicam que as florestas no sul iniciaram sua expansão sobre os Campos a partir de alterações climáticas ocorridas há cerca de 4000 anos antes do presente, um processo que, parece, tende a continuar. A conservação dos Campos tem sido

Valério De Patta Pillar

31

Urban forest and environmental inequality in Campos dos Goytacazes, Rio de Janeiro, Brazil  

Microsoft Academic Search

Social and spatial inequality regarding environmental resources and services is one of most complex issues affecting contemporary urban life. The objective of this research is to study the spatial distribution of trees in public areas in Campos dos Goytacazes, Rio de Janeiro, Brazil. This research presents data gathered in ten neighborhoods in Campos. These neighborhoods were split into three distinct

Marcos A. Pedlowski; Victor Andrade Carneiro Da Silva; Janie Jasmim Corabi Adell; Nikolas C. Heynen

2002-01-01

32

Subsidence history and tectonic evolution of Campos basin, offshore Brazil  

SciTech Connect

The tectonic component of subsidence in the Campos basin reflects different stages of crustal reequilibration subsequent to the stretching that preceded the breakup of Pangea. Concomitant with rifting in the South Atlantic, Neocomian lacustrine rocks, with associated widespread mafic volcanism, were deposited on a vary rapidly subsiding crust. The proto-oceanic stage (Aptian) is marked by a sequence of evaporitic rocks whose originally greater sedimentary thickness is indicated by residual evaporitic layers with abundant salt flow features. An open marine environment begins with thick Albian/Cenomanian limestones that grade upward and basinward into shales. This section, with halokinetic features and listric detached faulting sloping out on salt, is characterized by an increased sedimentation rate. The marine Upper Cretaceous to Recent clastic section, associated with the more quiescent phase of thermal subsidence, is characterized by drastic changes in sedimentation rate. Stratigraphic modeling of the sedimentary facies suggests a flexurally controlled loading mechanism (regional compensation) with a temporally and spatially variable rigidity. Locally, the subsidence in the rift-phase fault-bounded blocks shows no correspondence with the overall thermal subsidence, implying that the crust was not effectively thinned by simple, vertically balanced stretching. Deep reflection seismic sections show a general correspondence between sedimentary isopachs and Moho topography, which broadly compensates for the observed subsidence. However, even the Moho is locally affected by crustal-scale master faults that apparently are also controlling the movement mechanisms during the rift-phase faulting.

Mohriak, W.U.; Karner, G.D.; Dewey, J.F.

1987-05-01

33

"Ask Argonne" - Edwin Campos, Research Meteorologist, Part 1  

ScienceCinema

Dr. Edwin Campos is a Research Meteorologist at Argonne National Laboratory. For the last two decades, he has studied weather, and in particular, clouds. Clouds are one of the most uncertain variables in climate predictions and are often related to transportation hazards. Clouds can also impact world-class sporting events like the Olympics. You may have questions about the role of clouds, or weather, on our daily lives. How is severe weather monitored for airports? What is the impact of clouds and wind on the generation of electricity? One of the projects Edwin is working on is short-term forecasting as it relates to solar electricity. For this, Edwin's team is partnering with industry and academia to study new ways of forecasting clouds, delivering technologies that will allow the incorporation of more solar power into the electric grid. Post a question for Edwin as a comment below, and it might get answered in the follow-up video we'll post in the next few weeks.

34

Surface air radon progeny at São José dos Campos, Brazil  

NASA Astrophysics Data System (ADS)

Radon is a noble gas naturally occurring in the atmosphere with its progeny. Such progeny can be divided into short- and long-lived daughters. In the winter and spring of 2004 a field campaign at São José dos Campos (SJC, 23.1° S, 45.5° W, 600 m above sea level) in Brazil was conducted to determine the outdoor concentration of the short-lived 218Po, 214Pb, and 214Bi and the long-lived 210Po. It was adopted the methodology of measuring the integrated counts of alpha particles from atmospheric aerosols captured on a cellulose membrane filter sampled with outdoor surface air. Integrated counts for the short-lived daughters at 3 different minute-based periods of time were carried out immediately after the end of sampling and applied to a system of 3 equations, whose solution is the short-lived daughters' air concentrations. For 210Po the air concentration was directly released from alpha counts and volume of probed air. Radionuclides' uncertainties were calculated too. Average values of volume activity (25±21) (1 standard deviation, sd), (6±4), and (4±2) Bq m -3 for 218Po, 214Pb, and 214Bi, respectively, and (81±30) ?Bq m -3 for 210Po were found in the campaign. Atmospheric parameters of temperature, humidity, precipitation, pressure, and wind were taken during sampling. Correlation with temperature and humidity were obtained at 95% confidence level.

Silva, A. A.; Claro, L. H.

35

``Campo del Cielo'' Meteorites: Astronomical Heritage and Cultural Colonialism  

NASA Astrophysics Data System (ADS)

In the province of Chaco, Argentina, there is a very unique dispersion of metallic meteorites called ``Campo del Cielo''. One of the meteoric fragments of this dispersion, the meteorite called ``El Chaco'', consisting of 37 tons, is the second heaviest in the world. These meteorites are of great importance to the worldview of the Moqoit, aboriginal people that inhabit this region. For the local Creole population the meteorites are also relevant, that's why they have being cited in numerous documents and reports since the colonial period. During the first months of 2012, two Argentine artists and the Artistic Director of the German contemporary art exhibition called dOCUMENTA (13) tried to move ``El Chaco'' meteorite to Germany in order to exhibit it as an artistic object. Due to the fact that moving the meteorite could have a negative impact according to the Moqoit cosmology and that they were not able to participate in the decision they begun a manifestation against the movement of El Chaco. The opposition made by aboriginal communities and experts in cultural astronomy was able to stop the transfer. The whole process and its impact on the local community have promoted a deep discussion about art, science and cultural colonialism. In this paper we aim to address this debate and its consequences. This will allow us to think about contemporary forms of colonialism that are hidden in many scientific and artistic projects. Furthermore, we aim to debate about the most effective ways of protecting astronomical heritage in the Third World.

López, Alejandro Martín; Altman, Agustina

2012-09-01

36

Petroleum geology of Campos Basin, Brazil: A successful case history of deep water exploration  

Microsoft Academic Search

Campos Basin, the most prolific Brazilian basin, produces almost 400,000 bbl of oil per day and contains 70% of the national reserves. The basin is located on the southeastern coast of Brazil, covering a prospectable area of 100,000 km² Campos is a passive continental margin basin originated by the breakup of Pangea and the rifting of the South American and

M. R. Franke; H. A. F. Lugon; W. L. Beraldo

1990-01-01

37

CARACTERÍSTICAS BIOLÓGICAS DE SOLOS SOB MATA CILIAR E CAMPO CERRADO NO SUL DE MINAS GERAIS  

Microsoft Academic Search

RESUMO - Avaliou-se a comunidade microbiana pela determinação do número, biomassa e atividade de microrganismos heterotróficos em amostras de solos sob mata ciliar e campo cerrado adjacentes, localizados na microrregião Campos da Mantiqueira (MG), no reservatório da hidrelétrica Itutinga\\/Cam argos, em Minas Gerais. As amostras de solos foram coletadas na profundidade de 0-20 cm, no período entre abril e maio

ROGÉRIO MELLONI; ELIANE G. PEREIRA; ISABEL C. B. TRANNIN; DIÉRCULES R. DOS SANTOS; FÁTIMA M. S. MOREIRA; JOSÉ O. SIQUEIRA

38

O pensamento de Antônio Gramsci como referencial teórico na pesquisa em história da Enfermagem The thought of Antonio Gramsci as a theoretical benchmark of study in the history of Nursing El pensamiento de Antonio Gramsci como referencial teórico de estudios en historia de la Enfermería  

Microsoft Academic Search

RESUMO Cada pesquisador em história da enfermagem é livre nas suas interpretações. Todos nós sentimos necessidade de ordenar nosso campo teórico, para não cairmos no niilismo do caminhar desordenado pela história. Este artigo tem por objetivo propor uma reflexão teórica sobre o pensamento de Antônio Gramsci como referencial téorico de estudos em história da enfermagem. Para GRAMSCI, as relações de

Miriam Heidemann; Maria da Luz; Barbosa Gomes; Maritza Consuelo; Ortiz Sanchez

39

Basalt magmatism along the passive continental margin of SE Brazil (Campos basin)  

NASA Astrophysics Data System (ADS)

The SE-Brazil passive continental margin is characterized by tholeiitic magmatism that is particularly widespread in the marginal Campos basin, facing the inland flood basalts of the adjacent Paranà basin. Campos magmatism is represented by Early Cretaceous (EC; 134 122 Ma) flood basalts and minor Upper Cretaceous-Early Tertiary basalt flows and intrusives, which were emplaced in a basin with attenuated crustal thickness (20 km). Petrography, mineral chemistry, wholerock geochemistry and Sr-Nd isotope composition emphasize that the EC-Campos basalts have suffered extensive seawater interaction which caused enrichment in MgO, FeO total, K2O, Rb and Ba, and depletion in SiO2 and CaO, while Zr, Nb, Y and REE remained virtually constant in samples with loss-on-ignition values less than 4 wt%. In general, Campos basalts have bulkrock chemistry similar to those of the inland Parana tholeiites (140 130 Ma) with relatively low concentrations of incompatible elements and TiO2 (<2 wt%). Batch-melting calculations suggest that Campos basalt genesis requires a garnet-peridotite source and variable degree of melting (9 25%) in order to explain the rare-earth-element (REE) patterns with chondrite normalised La/Yb(N) ratio ranging from 0.9 1.0 to 4.4 7.1. The Sr-Nd isotopic data for the slightly altered Campos basalts, of both Early Cretaceous and Upper Cretaceous-Early Tertiary age, plot close to bulk earth, or in the enriched quadrant of the mantle array. Inter-element (La, Zr, Nb, Ba) ratios preclude for the Campos (and Paranà) basalt genesis any significant participation of N-type (Zr/Nb>16) MORB (mid-ocean-ridge basalt) mantle in simple binary mixing models. On the whole, the Early Cretaceous Campos basalts appear as an easterly, younger extension of the northern Paranà volcanism and probably erupted during early stages of the major riftingprocesses which caused continental thinning. It is notable that in the Campos marginal basin both the basalt magmatism contemporaneous with the continental break-up, as well as that which occurred after the S. America-Africa separation, appears substantially related to subcontinental lithosphere and a Dupal-like OIB (ocean-island basalt) (e.g. Tristan da Cunha) source components.

Mizusaki, A. M. P.; Petrini, R.; Bellieni, P.; Comin-Chiaramonti, P.; Dias, J.; de Min, A.; Piccirillo, E. M.

1992-06-01

40

SIG NO PLANEJAMENTO DE TRILHAS NO PARQUE ESTADUAL DE CAMPOS DO JORDÃO  

Microsoft Academic Search

The aim of this work is to develop a GIS application to give support to planning of ecotouristic trails in the State Park of Campos do J ordão (PECJ). The approach that was adopted to modelling the aplication involved a process of four stages: Application Domain Analysis, Conceptual Model, Logical Model and Physical Model. At the Conceptual level was adopted

Mônica M. S. Decanini

2001-01-01

41

EL SALVAJE METROPOLITANO: RECONSTRUCCIÓN DEL CONOCIMIENTO SOCIAL EN EL TRABAJO DE CAMPO  

Microsoft Academic Search

El salvaje metropolitano no es sólo un libro de antropología sino además un tratado hermenéutico sobre la filosofía del método que ayuda a los lectores más allá de su disciplina de base a hacer uso de la etnografía en sus trabajos de campo. En base a lo expuesto, Rosana Guber comienza su capítulo introductorio con un análisis sobre las limitaciones

Maximiliano Korstanje

2008-01-01

42

Processo de semeadura e o rendimento do milho na região dos Campos Gerais do Paraná  

Microsoft Academic Search

In the region of Campos Gerais, Paraná, Brazil, corn fields cover about one third of no-tillage summer cropland. Before introducing alternative forms of management, it is necessary to gather information on variables that influence crop yield. This paper was aimed at correlating corn yield with chemical and physical soil variables, and human variables, considering spatial variability in the region. The

Marcelo José; Colet I; Pedro Henrique; Weirich Neto II; Paulo William Garbuio

2007-01-01

43

Hydrology, morphology and sedimentology of the Campos continental margin, offshore Brazil  

Microsoft Academic Search

Slope sand deposits have accumulated from at least the Neogene to the Present on the southeastern Brazilian continental margin (Campos Basin area). This region shows sand accumulations concentrated on the upper portion and on the base of the continental slope with a middle to lower slope bypass zone. A synthesis of preliminary results, supported by recent cores, high-resolution geophysical surveys,

A. R. Viana; J. C. Faugeres; R. O. Kowsmann; J. A. M. Lima; L. F. G. Caddah; J. G. Rizzo

1998-01-01

44

Turbidites associated with bentonites in the Upper Cretaceous of the Campos Basin, offshore Brazil  

Microsoft Academic Search

More than fifteen bentonite beds have been identified in the Santonian\\/Campanian section of the Campos Basin, offshore Brazil. These range in thickness up to 1 m and are mainly composed of interstratified illite\\/smectite. Relict textural features can still be observed, identifying them as former volcanic ash layers. They also display gradational or sharp contacts with the associated lithologies. In the

Luiz Fernando G. Caddah; Daisy B. Alves; Ana Maria P. Mizusaki

1998-01-01

45

A CONSERVATIONAL APPROACH ON THE SEABIRD POPULATIONS OF ILHÉU DE VILA FRANCA DO CAMPO, AZORES, PORTUGAL  

Microsoft Academic Search

This study was performed to identify the seabird species occurring on Ilhéu de Vila Franca do Campo (IVFC) off São Miguel island, Azores, giving a special emphasis on the description of their ecology and threats. Flush counts, ground searches and raft counts were conducted and two types of natural habitats were identified. The results confirmed the nesting of two endangered

Pedro Rodrigues; Joana Micael; Roshan K. Rodrigo; Regina T. Cunha

46

LOS CAMPOS DE GOLF EN ESPAÑA Y SUS REPERCUSIONES EN EL SECTOR TURÍSTICO  

Microsoft Academic Search

Palabras clave: campos de golf, España, turismo. SUMMARY Golf has been one of the fastest-growing sports in Spain over the last two decades: the number of courses has tripled and the number of registered golfers has increased almost 18 times. The courses are distributed all over the country although the highest concentration continues to be found near the Mediterranean coast

Francisco Feo Parrondo

2001-01-01

47

Stochastic modelling of turbidite reservoirs constrained by seismic information (Campos basin, offshore Brazil)  

Microsoft Academic Search

A new methodology of reservoir probabilistic modelling was applied at an oil field scale in the brazilian continental margin. The Namorado field, located in the Campos basin in the passive margin of eastern Brazil, is a mature oil field with 60 wells and 1326 km of 3D seismic lines. The reservoir (Albian\\/Cenomanian), deposited in an overall-transgressive context, produces from turbidite

J. Souza; G. Olinto; R. Eschard

1996-01-01

48

Seismic stratigraphy and subsidence analysis of the southern Brazilian margin (Campos, Santos and Pelotas basins)  

Microsoft Academic Search

The Campos, Santos and Pelotas basins have been investigated in terms of 2D seismo-stratigraphy and subsidence. The processes controlling accommodation space (e.g. eustacy, subsidence, sediment input) and the evolution of the three basins are discussed. Depositional seismic sequences in the syn-rift Barremian to the drift Holocene basin fill have been identified. In addition, the subsidence\\/uplift history has been numerically modeled

Jorham Contreras; Rainer Zühlke; Scott Bowman; Thilo Bechstädt

2010-01-01

49

Ricerche sull’azione del campo magnetico terrestre sopra i corpuscoli della radiazione penetrante  

Microsoft Academic Search

\\u000a Sunto  Se la radiazione penetrante giunge al limite dell’atmosfera come una radiazione corpuscolare avente un’energia di alcuni miliardi\\u000a di volt-elettrone, il campo magnetico terrestre dovrebbe dar luogo ad una forte dissimetria nella sua distribuzione di intensità\\u000a rispetto al piano del meridiano magnetico. L’esperiema eseguita per mettere in evidenza questa dissimetria ha dato esito negativo.

Bruno Rossi

1931-01-01

50

Identification and seasonal variation of atmospheric organic pollutants in Campos dos Goytacazes, Brazil  

Microsoft Academic Search

Organic aerosol samples collected during a 1 year study at three sites in the city of Campos dos Goytacazes, Rio de Janeiro, Brazil, were examined by gas chromatography and gas chromatography–mass spectrometry. Samples were acquired using a standard high-volume air sampler (Hi-Vol); extracts prepared and fractionated into aliphatic, aromatic and polar compounds. These compounds were quantified and their seasonal ambient

Débora de Almeida Azevedo; Celeste Yara Moreira dos Santos; Francisco Radler de Aquino Neto

2002-01-01

51

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

52

The Study of Natural Radiation Distribution in Soil of Sao Bernardo do Campo  

SciTech Connect

We have studied the distribution of natural radioactivity in the soil of five sites of the city Sao Bernardo do Campo, Sao Paulo, Brazil. The main contribution of the radiation dose is due to the isotope {sup 40}K, with smaller contributions from the elements of the series of {sup 238}U and {sup 232}Th. The results indicate the dose in all of the studied areas is around the average international dose due to external exposure to gamma rays (0.48 mSv/yr) proceeding from natural terrestrial elements.

Matsumoto, M. M.; Silveira, M. A. G. [Centro Universitrio da FEI, Sao Bernardo do Campo, Sao Paulo (Brazil); Medina, N. H.; Umisedo, N. K. [Instituto de Fisica da Universidade de Sao Paulo, Sao Paulo (Brazil)

2008-08-07

53

Petroleum geology of Campos Basin, Brazil: A successful case history of deep water exploration  

SciTech Connect

Campos Basin, the most prolific Brazilian basin, produces almost 400,000 bbl of oil per day and contains 70% of the national reserves. The basin is located on the southeastern coast of Brazil, covering a prospectable area of 100,000 km{sup 2} Campos is a passive continental margin basin originated by the breakup of Pangea and the rifting of the South American and African plates in the Early Cretaceous. The basin's sedimentary section encompasses three megasequences: nonmarine, transitional, and marine, ranging in age from Neocomian to Holocene. Hydrocarbon generation is related to nonmarine organic-rich shales and marls, and hydrocarbon entrapment assumes ascendent migration along fault planes and through salt gaps toward reservoirs ranging in age from Neocomian to Tertiary (mainly turbiditic sandstones). The first onshore stratigraphic well was drilled based on gravity surveys in 1958. The acquisition of new geophysical data, mainly seismic reflection data, followed after 1968. The first offshore well was drilled in 1971, and in 1974, the first oil field, Garopua, was discovered. Giant hydrocarbon accumulations have been discovered in water depths ranging from 400 to 1,800 m since 1984. As of mid-1989, 35 offshore oil fields have been discovered, 760 million bbl of oil, and 490 bcf of gas have been produced. The basin oil and equivalent gas reserves are estimated in 6.0 billion bbl, 60% of which is located in the deep-water giant oil fields.

Franke, M.R.; Lugon, H.A.F.; Beraldo, W.L. (Petrobras, Rio de Janeiro (Brazil))

1990-05-01

54

Formation and exhumation of Permian granulites: case study from the polyphase Campo Unit (Central Alps)  

NASA Astrophysics Data System (ADS)

Studies on Wilson cycles usually focused on the formation, destruction and final integration of oceanic domains in orogens whereas the subsequent dismantling of mountain ranges and its importance for rift-systems is yet less understood. How orogenic inheritance influences the crustal thinning during rifting and the final architecture of rifted margins remains poorly depicted. To answer this question, we initiated a multidisciplinary research project coupling structural geology, igneous and metamorphic petrology and geochronology in selected areas of the Austroalpine nappes in SE-Switzerland and N-Italy, where remnants of a Jurassic continental margin have been previously described. We chose to focus on the Campo unit, due to a complete record of events from at least the Variscan orogeny to middle-Jurassic rifting, and a low-grade Alpine metamorphism. The Campo basement is composed of metamorphic rocks (metasediments and metabasites) of unknown age (probably Variscan), equilibrated in amphibolite-facies conditions. A gabbroic plutonic complex (the Sondalo gabbro), composed of gabbro-norites, quartz-diorites, olivine-gabbros was set in place in late-Carboniferous and early-Permian times between 280 and 300 Ma. This intrusion produced a metamorphic contact aureole. In its vicinity, surrounding crust was melted (as indicated by muscovite decomposition, abundant garnet and sillimanite crystallization). As consequence, granulitic rocks can be found in intra-plutonic positions. Interactions between mafic liquids and metapelites-derived liquids lead to complex magmatic patterns, including magma mingling and hybridization. The connection of acid melts produced by the partial melting of the crust causes the intrusion of granitoids (e.g. Val Ferrata granite). These structures are cross-cut by the Eita shear zone, which exhumed the Campo unit during the Jurassic rifting phase near to the seafloor. This exhumation is responsible for 40Ar/39Ar ages on muscovite and biotite, which are ranging between 180 and 200 Ma. Studying the Permian intrusions and their relation to the host rocks enables to establish a snapshot of the crust in Permian time and consequently to determine the pre-rift crustal structure and conditions. In order to get better constrains on P-T-t conditions before and during the rifting, we will use thermodynamic modeling and 40Ar/39Ar dating. This study will enable us to characterize more precisely the crustal evolution between the collapse of the Variscan orogen and the Mesozoic rifting, which is a prerequisite to understand and model the evolution of hyper-extended rifted margins.

Petri, B.; Mohn, G.; Manatschal, G.; Wijbrans, J.; Schulmann, K.

2012-04-01

55

Rechenverfahren des optischen Korrektionsprogrammms "COMO". Teil 1.  

NASA Astrophysics Data System (ADS)

COMO is a program of an orthogonalization type that was developed in order to achieve that each elementary correction step makes immediate use of the shortest possible step in the system data space even if many rigid boundary conditions are to be taken into account (optimization under constraints). COMO usually does not correct aberrations simultaneously (by minimization), but one after the other. The order is given by the optical designer. For each aberration (paraxial data included) one can either specify a target value or a bandwidth between a lower and an upper limit.

Marx, H.

1989-03-01

56

[Water fluoridation analysis of Campo Grande (MS) urban zone public supply].  

PubMed

The objective of this study was to analyze the fluoride concentration on the water that flows of the tap in the urban area of the city of Campo Grande (MS). For the fluoride concentration analysis, it was collected water samples of 21 schools placed in the 7 sub districts of the city, in 3 different opportunities, was made by the specific electrode method (using an Orion 9609 BN combined fluoride measuring electrode, coupled with an Orion EA-940 digital potentiometer). The results showed that 63.5% of the water samples presented acceptable fluoride levels (between 0.60 and 0.80 ppm) and 36.5%, unacceptable levels. In relation to the condition of the collect places, 76.2% were considered appropriate and 23.8% were inappropriate. PMID:19721966

Bellé, Bruno Luiz Lessa; de Lacerda, Valéria Rodrigues; De Carli, Alessandro Diogo; Azfalon, Edílson José; Pereira, Paulo Zárate

57

Identification and seasonal variation of atmospheric organic pollutants in Campos dos Goytacazes, Brazil  

NASA Astrophysics Data System (ADS)

Organic aerosol samples collected during a 1 year study at three sites in the city of Campos dos Goytacazes, Rio de Janeiro, Brazil, were examined by gas chromatography and gas chromatography-mass spectrometry. Samples were acquired using a standard high-volume air sampler (Hi-Vol); extracts prepared and fractionated into aliphatic, aromatic and polar compounds. These compounds were quantified and their seasonal ambient concentration patterns discussed. High winter and low summer concentrations were observed for retene, polycyclic aromatic hydrocarbons and total suspended particulate matter (TSP), with a seasonal (winter) peak for all compounds studied. The higher concentrations observable from May to September may result from crop burning processes, which occur in the sugarcane plantations, mainly during this part of the year. The studied sites may be considered unpolluted as concentrations of benzo[a]pyrene and benzene were lower than the regulation lower limits. On the other hand, two sites were considered polluted by TSP determination.

de Almeida Azevedo, Débora; dos Santos, Celeste Yara Moreira; de Aquino Neto, Francisco Radler

58

Discovering research value in the Campo del Cielo, Argentina, meteorite craters  

NASA Astrophysics Data System (ADS)

The Campo del Cielo meteorite crater field in Argentina contains at least 20 small meteorite craters, but a recent review of the field data and a remote sensing study suggest that there may be more. The fall occurred ˜4000 years ago into a uniform loessy soil, and the craters are well enough preserved so that some of their parameters of impact can be determined after excavation. The craters were formed by multi-ton fragments of a type IA meteoroid with abundant silicate inclusions. Relative to the horizontal, the angle of infall was ˜9°. Reflecting the low angle of infall, the crater field is elongated with apparent dimensions of 3 × 18.5 km. The largest craters are near the center of this ellipse. This suggests that when the parent meteoroid broke apart, the resulting fragments diverged from the original trajectory in inverse relation to their masses and did not undergo size sorting due to atmospheric deceleration. The major axis of the crater field as we know it extends along N63°E, but the azimuths of infall determined by excavation of Craters 9 and 10 are N83.5°E and N75.5°E, respectively. This suggests that the major axis of the crater field is not yet well determined. The three or four largest craters appear to have been formed by impacts that disrupted the projectiles, scattering fragments around the outsides of the craters and leaving no large masses within them; these are relatively symmetrical in shape. Other craters are elongated features with multi-ton masses preserved within them and no fragmentation products outside. There are two ways in which field research on the Campo del Cielo crater field is found to be useful. (1) Studies exist that have been used to interpret impact craters on planetary surfaces other than the Earth. This occurrence of a swarm of projectiles impacting at known angles and similar velocities into a uniform target material provides an excellent field site at which to test the applicability of those studies. (2) Individual craters at Campo del Cielo can yield the masses of the projectiles that formed them and their velocities, angles and azimuths of impact. From these data, there is a possibility to estimate parameters for the parent meteoroid at entry and, thus, learn enough about its orbit to judge whether or not it was compatible with an asteroidal origin. Preliminary indications are that it was. Campo del Cielo is a IA iron meteorite and Sikhote-Alin, an observed fall, is a IIB iron meteorite in Wasson's classification. The Sterlitamak iron, also an observed fall, is a medium octahedrite in the Prior-Hey classification. It would be interesting to compare their orbital parameters.

Cassidy, William A.; Renard, Marc L.

1996-07-01

59

Metallo-?-lactamase and genetic diversity of Pseudomonas aeruginosa in intensive care units in Campo Grande, MS, Brazil  

Microsoft Academic Search

Infection by Pseudomonas aeruginosa has spread worldwide, with limited options for treatment. The purpose of this study was to investigate metallo-?-lactamase-producing P. aeruginosa strains and compare their genetic profile using samples collected from patients in intensive care units. Forty P. aeruginosa strains were isolated from two public hospitals in Campo Grande, Mato Grosso do Sul State, from January 1st, 2007

Ana Claudia Souza Rodrigues; Marilene Rodrigues Chang; Gabriela Dorn Nóbrega; Mayara Souza Rodrigues; Nadia Cristina Pereira Carvalho; Beatriz Garcia Gomes; Dênio Lopes de Almeida; Karyne Rangel Carvalho; Marise Dutra Asensi

2011-01-01

60

Style and pattern of salt diapirs due to thin-skinned gravitational gliding, Campos and Santos basins, offshore Brazil  

Microsoft Academic Search

Portions of seismic lines and a structure-contour map illustrate the patterns and shapes of salt diapirs and related structures in the Campos and Santos areas, off the Atlantic coast of Brazil. We interpret the structures both kinematically and mechanically, drawing on our experience with similar salt structures worldwide, with the results of recent physical modelling and with geometric restorations in

S. Demercian; P. Szatmari; P. R. Cobbold

1993-01-01

61

Pollination of Cambessedesia wurdackii in Brazilian campo rupestre vegetation, with special reference to crepuscular bees.  

PubMed

Cambessedesia wurdackii Martins (Myrtales: Melastomataceae) is presumably endemic to the Chapada Diamantina, Bahia State, Brazil. A majority of the species of this family are pollinated by diurnal bees that buzz the floral anthers to collect pollen. The present work examined the interactions between C. wurdackii and visiting bees, focusing on temporal, morphological, and behavioral features, especially in regards to the crepuscular bees Megalopta sodalis (Vachal) (Hymenoptera: Halictidae) and Ptiloglossa off. dubia Moure (Hymenoptera: Colletidae). The study was undertaken in an area of campo rupestre montane savanna vegetation located in the Chapada Diamantina Mountains of Bahia State, Brazil, between August/2007 and July/2008. Flowering in C. wurdackii occurred from April through July, with a peak in May. A total of 592 visits by diurnal and crepuscular bees to the flowers of C. wurdackii were recorded, with a majority of the visits made by M. sodalis and P. dubia (92%) near sunrise and sunset. The anthers of C. wurdackii are arranged in two tiers, which favors cross pollination. The morphological, temporal and behavioral characteristics of M. sodalis and P. dubia indicated that they were potential pollinators of C. wurdackii, in spite of the fact that the colorful and showy flowers of this species are more typical of a diurnal melittophilous pollination syndrome. PMID:22208813

Franco, Emanuella Lopes; Gimenes, Miriam

2011-01-01

62

Lagoa Feia Formation (Lower Cretaceous), Campos basin, offshore Brazil - Rift-Valley-Stage Lacustrine carbonate reservoirs  

SciTech Connect

The Lagoa Feia Formation, buried in excess of 3000 m, is the exploration frontier of the prolific Campos basin. It contains the source beds of all the basin's oil in addition to having its own potential carbonate reservoirs. The faulted margins of the basin fed a system of alluvial fans, sand flats, and mud flats. Alternating dry and rainy period regulated the size and nature of contemporaneous basinal alkaline lakes. Dry periods corresponded to contracted playa lakes with ostracod carbonates and euxinic shales; rainy periods corresponded to expanded pluvial lakes with pelecypod banks. Subaqueous intrusions of basaltic magma generated hyaloclastites with kerolitic ooids and hyalotuffs. Petrographic analysis reveals 5 diagenetic stages: (1) syndepositional alteration of lithoclasts to trioctahedral smectites; (2) early dolomitization, early silicification, and cementation by bladed-rim calcite and zeolites; (3) freshwater-vadose dissolution of bioclasts and lithoclasts, freshwater-phreatic sparite cementation, and neomorphism; (4) mixed saline-freshwater silicification; and (5) burial with compaction, late dolomitization, and partial conversion of smectites to illite. Pelecypod limestones with primary interparticle, secondary intraparticle, moldic, and moldic-enlarged porosities are the potential reservoirs. Ideal conditions for porosity generation and preservation were subaerial exposure followed by rapid lake expansion and burial.

Bertani, R.; Petrobras, T.; Carozzi, A.V.

1985-02-01

63

Pollination of Cambessedesia wurdackii in Brazilian Campo Rupestre Vegetation, with Special Reference to Crepuscular Bees  

PubMed Central

Cambessedesia wurdackii Martins (Myrtales: Melastomataceae) is presumably endemic to the Chapada Diamantina, Bahia State, Brazil. A majority of the species of this family are pollinated by diurnal bees that buzz the floral anthers to collect pollen. The present work examined the interactions between C. wurdackii and visiting bees, focusing on temporal, morphological, and behavioral features, especially in regards to the crepuscular bees Megalopta sodalis (Vachal) (Hymenoptera: Halictidae) and Ptiloglossa off. dubia Moure (Hymenoptera: Colletidae). The study was undertaken in an area of campo rupestre montane savanna vegetation located in the Chapada Diamantina Mountains of Bahia State, Brazil, between August/2007 and July/2008. Flowering in C. wurdackii occurred from April through July, with a peak in May. A total of 592 visits by diurnal and crepuscular bees to the flowers of C. wurdackii were recorded, with a majority of the visits made by M. sodalis and P. dubia (92%) near sunrise and sunset. The anthers of C. wurdackii are arranged in two tiers, which favors cross pollination. The morphological, temporal and behavioral characteristics of M. sodalis and P. dubia indicated that they were potential pollinators of C. wurdackii, in spite of the fact that the colorful and showy flowers of this species are more typical of a diurnal melittophilous pollination syndrome.

Franco, Emanuella Lopes; Gimenes, Miriam

2011-01-01

64

[Work-related accidents on oil drilling platforms in the Campos Basin, Rio de Janeiro, Brazil].  

PubMed

The offshore oil industry is characterized by complex systems in relation to technology and organization of work. Working conditions are hazardous, resulting in accidents and even occasional full-scale catastrophes. This article is the result of a study on work-related accidents in the offshore platforms in the Campos Basin, Rio de Janeiro State. The primary objective was to provide technical back-up for both workers' representative organizations and public authorities. As a methodology, we attempt to go beyond the immediate causes of accidents and emphasize underlying causes related to organizational and managerial aspects. The sources were used in such a way as to permit classification in relation to the type of incident, technological system, operation, and immediate and underlying causes. The results show the aggravation of safety conditions and the immediate need for public authorities and the offshore oil industry in Brazil to change the methods used to investigate accidents in order to identify the main causes in the organizational and managerial structure of companies. PMID:11241934

Freitas, C M; Souza, C A; Machado, J M; Porto, M F

65

[Hospitalization for primary care-sensitive conditions in Campo Grande, Mato Grosso do Sul State, Brazil, 2000-2009].  

PubMed

This study analyzed the correlation between evolution in coverage of the Family Health Strategy (FHS) and the hospital admissions rate for primary care-sensitive conditions (PCSC) in Campo Grande, Mato Grosso do Sul State, Brazil, from 2000 to 2009. This was an ecological study using data from the Hospital Information System (SIH), available from the Information System of the Brazilian Unified National Health System (DATASUS) and the Brazilian Institute of Geography and Statistics (IBGE). Statistical analysis used Pearson's linear correlation coefficient and its significance. Campo Grande showed an inverse correlation, following the trend for the country as a whole, with a reduction in such admissions. The analysis of categories of hospital admissions showed a direct correlation with pulmonary tuberculosis, angina pectoris, and conditions related to prenatal care and childbirth. The results suggest that increased coverage of the FHS has contributed to a reduction in hospitalization rates for PCSC. PMID:22641508

Campos, Amanda Zandonadi de; Theme-Filha, Mariza Miranda

2012-05-01

66

Summary of water resources for the Campo, Cuyapaipe, La Posta, and Manzanita Indian Reservations and vicinity, San Diego County, California  

USGS Publications Warehouse

Since 1945, precipitation and runoff in California on the Campo, Cuyapaipe, La Posta, and Manzanita Indian Reservations and surrounding areas generally have been below normal, and ground-water levels are declining. Most of the water is of excellent quality. The analysis of water from one well on the Campo Reservation indicates a concentration of nitrate that exceeds the recommended limit established in 1972 by the U.S. Environmental Protection Agency. Most wells and springs in the study area yield water for domestic purposes. The yields range from less than 1 gallon per minute to 210 gallons per minute. Most of the water is produced from shallow aluvial-filled channels or from consolidated rocks that are deeply weathered locally or highly fractured. The well data show that insufficient water is available on the four reservations for large-scale irrigation. (Woodard-USGS)

Moyle, W. R.; Downing, D. J.

1978-01-01

67

Distribution, population density, and status of sympatric cercopithecids in the Campo-Ma’an area, southwestern cameroon  

Microsoft Academic Search

A study on species composition, distribution, and population density of cercopithecids in the Campo-Ma’an area, Southwestern\\u000a Cameroon, was undertaken from December 1997 until August 2000. A total of 665.5 km of line transects was used for the census.\\u000a Thirteen diurnal primate species including five endangered species (Gorilla g. gorilla, Pan troglodytes, Mandrillus sphinx, Colobus satanas, Cercocebus torquatus) were recorded in

ANDREAS MATTHEWS

2002-01-01

68

Style and pattern of salt diapirs due to thin-skinned gravitational gliding, Campos and Santos basins, offshore Brazil  

NASA Astrophysics Data System (ADS)

Portions of seismic lines and a structure-contour map illustrate the patterns and shapes of salt diapirs and related structures in the Campos and Santos areas, off the Atlantic coast of Brazil. We interpret the structures both kinematically and mechanically, drawing on our experience with similar salt structures worldwide, with the results of recent physical modelling and with geometric restorations in section and in plan. Salt diapirs and related structures have a variety of structural styles, distributed in domains and provinces. Near the coast, there is an upper domain, 100 200 km wide, with a suite of structures that we attribute to horizontal downdip extension: these are salt rollers, in the footwalls of listric normal growth faults; salt walls of triangular cross section, beneath intersecting conjugate normal faults; turtle anticlines; and salt welds. Downslope extension started in the Albian and has continued to the present day. In the Campos area, from simple line balancing, the accumulated downslope displacement is about 100 km. Seawards of this, there is a lower domain, 100 400 km wide, with a different suite of structures, that we attribute to downdip contraction: these are growth folds of various wavelengths, in sedimentary sequences of various thicknesses; asymmetric salt walls, emplaced above reverse faults; deep basins, wedged down between conjugate reverse faults; and salt tongues above thrusts. For Campos, we estimate the total downslope contraction, accumulated since the Albian, to be about 100 km. From the balance between extension and contraction, we infer that the thin-skinned salt tectonics are gravitationally driven and independent of any basement tectonics. The structure-contour map on the top of the salt shows that structural style is variable also along strike. Seismic sections along regional contours indicate differing amounts of strain. On this basis, we distinguish five provinces, separated by NW-SE-trending lines. For the Northern Campos province, we infer radially convergent gliding; for the Campos or Cabo Frio provinces, radially divergent gliding; and for Northern Santos, divergent gliding at a large scale. The pattern in Southern Santos is complicated by right-lateral wrenching against the southern edge of the salt.

Demercian, S.; Szatmari, P.; Cobbold, P. R.

1993-12-01

69

Distribution, population density, and status of sympatric cercopithecids in the Campo-Ma'an area, Southwestern Cameroon.  

PubMed

A study on species composition, distribution, and population density of cercopithecids in the Campo-Ma'an area, Southwestern Cameroon, was undertaken from December 1997 until August 2000. A total of 665.5 km of line transects was used for the census. Thirteen diurnal primate species including five endangered species (Gorilla g. gorilla, Pan troglodytes, Mandrillus sphinx, Colobus satanas, Cercocebus torquatus) were recorded in the Campo Forest, the greatest part of which is a logging concession. Cercopithecus nictitans (1.43 groups/km2), C. cephus (1.13 groups/km2), C. pogonias (0.81 groups/km2), and C. torquatus (0.51 groups/km2) occurred at medium frequencies compared to figures from other Central African study sites. Mandrill densities estimated (0.27 groups/km2) show that the area is very important for the conservation of this rare species. Guenon densities found inside areas with a high level of human activities did not differ significantly from densities estimated in areas with a lower level of human activities. C. torquatus densities were significantly higher in the areas with a low level of human disturbance and encounter rates with Lophocebus albigena also indicate a preference of less disturbed areas. Mangabeys are thus likely to be adversely affected by human activities in the area. In the Ma'an Forest, which has not been logged yet, ten species were confirmed. The population densities of two guenons (C. nictitans and C. cephus) were estimated to be twice as high in the unlogged forest area as compared to the logged forest of Campo. Other species are rarer in the Ma'an Forest than in the Campo Forest. Although mangabeys are adversely affected by human activities, the results still indicate that selective logging may be compatible with the conservation of cercopithecids, if a reduced damage logging concept and antipoaching measures are implemented. Increased hunting activities following logging operations will definitely have a negative longterm impact on primate populations in the Campo-Ma'an area if no further, more effective conservation measures will regulate wildlife use in future. PMID:12145397

Matthews, Adele; Matthews, Andreas

2002-07-01

70

Management of Lake Como: a multiobjective analysis  

SciTech Connect

This paper describes a heuristic approach for improving the performance of multipurpose reservoirs that have already been in operation for a certain number of years. The main characteristic of the method is that the analyst must first learn from the past experience of the manager and synthesize it into a simple operating rule. Then, the analyst must point out, with the help of the manager, what the acceptable modifications of such a rule are. After this has been accomplished, the optimal improvements of the operating rule can be obtained by using standard optimization techniques. Quite satisfactory results have been obtained by applying this approach to Lake Como (Northern Italy), which has been regulated since the end of World War II. In fact, the method shows that both flood protection on the lake shores and water supply to the downstream agricultural areas can be substantially improved, without lowering the mean yearly electricity production of the downstream run-of-river plants. For this reason the operating rule proposed by the method has been programmed on a microcomputer, which is now used every day by the manager as an essential support for his final decision. This and the fact that other actions suggested by this analysis have indeed been undertaken by the local authorities gave to this study the chance to have a positive and direct impact on the lake management.

Guariso, G.; Rinaldi, S.; Soncini-Sessa, R.

1986-02-01

71

Ground-water in the Teresina-Campo Maior area, Piaui, Brazil  

USGS Publications Warehouse

The Teresina-Campo Maior area lies in a presently developing farming and grazing region near the margin of drought-prone northeast Brazil where irrigated farming offers the best potential for economic development. The area comprises 9,700 square kilometers largely of catinga-covered tabular uplands which are drained by the perennial Rio Parnatba. The climate is hot and humid most of the year but with distinct wet and dry seasons. Temperature extremes range from 20?C to 39?C and the annum rainfall averages 1,200 millimeters. The area's ground-water reservoir is contained chiefly in sandstone aquifers of six westward-dipping sedimentary rock formations, all part of the Maranhao sedimentary basin. The youngest of these formations, namely the Piaut (Pennsylvarian), Poti (Mississippian), Longa (Upper Devonian), and Cabecas (Middle Devoniar), contain the principal aquifers. Precipitation is the primary source of recharge to these aquifers and is more than sufficient to replenish current withdrawals from wells. Underlying the principal aquifers are the untapped Pimenteiras and Serra Grande Formations (both Lower Devonian) which in areas adjacent to the report area are moderately good to excellent water producers. These aquifers are recharged principally by lateral inflow from the east. Water also occurs in the alluvial deposits (Quaternary) underlying the flood plain of the Rio Parnatba but recurrent and uncontrolled flooding at present (1966) precludes their development. Of little economic importance, because they lie above the zone of saturation, are the thin erosional remnants of the Pastos Bons (Upper Triassic), Matuca, and Pedra de Fogo (both Permian) Formations. There are in the report area about 200 drilled wells most of which are pumped with power-driven engines. The wells range from 40 to 500 meters deep but most do not exceed 150 meters, and practically all are completed open hole. Yields range from 500 liters per day for 6-inch-diameter domestic wells to 240,000 liters per hour for 10-inch high-capacity municipal wells. Although there are many more dug wells than drilled wells, dug wells account for less than 1 percent of the current (1966) draft. The current annual withdrawal from the principal aquifers is approximately 5 million cubic meters of which almost half is used for municipal supply and the rest for rural household and irrigation uses. Additional water for public supply is available from aquifers now being pumped, and larger yields probably could be obtained from rural wells designed to take full advantage of the aquifer. Analyses of 28 samples show that the chemical quality of the water is well below the accepted limits of mineral concentration for most uses. Water from the Longa Formation averages 842 milligrams per liter in total dissolved solids and is more mineralized than that in the Piaul and Port Formations which contain water averaging less than 300 milligrams per liter. The water in the Piaui and Poti aquifers is the most suitable in the area for irrigation and has SAR values of C1-S1 and C2-S1. The quantities of water currently being used for irrigation are relatively small (600,000 cubic meters annually) but will increase substantially when intensive irrigation becomes a reality. Divisio de Hydrogeologia da Superintendancia do Desenvolvimento do Nordeste estimates that about 2,500 million cubic meters of water per year would be needed to irrigate about 250,000 hectares in the Teresina-Campo Maior area (about 25 percent of the total area). This goal, however, is not likely to be realized as the water requirement is five times the estimated natural recharge to the aquifers of the area. Most of the water-bearing formations in the report area have barely been tapped and can be developed a great deal more. In fact, the current annual withdrawal from the principal aquifers is less than 0.0025 percent of a conservative estimate of annual replenishment from rainfall. Additionally, only the

Rodis, Harry G.; Suszczynski, Edison F.

1972-01-01

72

Diversity in bee (Hymenoptera: Apoidea) and social wasp (Hymenoptera: Vespidae, Polistinae) community in "campos rupestres", Bahia, Brazil.  

PubMed

Hymenoptera such as bees and social wasps are regular floral visitors in "campos rupestres" vegetation. A community of bees and social wasps was studied during floral visitation in an area of "campos rupestres", at Chapada Diamantina, BA, Brazil, from September 2001 to April 2002. The community was described in relation to diversity, evenness, and dominance rank, considering the individuals abundance (H' = 2.14/ J' = 0.55) and biomass (H' = 2.34/ J' = 0.60). Thirty nine bee (588 individuals/ 15.742 g) and 11 social wasp species (52 individuals/ 2.156 g) were collected, being the first report of social wasps for the Brazilian "campos rupestres". The main species regarding number of individuals were Trigona spinipes (Fabricius), Apis mellifera L., Frieseomelitta francoi (Moure), and Bombus brevivillus Franklin. About 48% of the species were represented by a single individual. There was an inversion in the dominance rank when the species biomass was considered. B. brevivillus, A. mellifera, T spinipes, and other species represented by 15 individuals or less, such as the social wasps Synoeca cyanea (Olivier), Polistes canadensis (L.) and Myschocyttarus drewseni (Saussure), and the bees Eufriesea nigrohirta (Friese), Xylocopa grisescens Lepeletier and Megachile (Pseudocentron) sp.l were the predominant species. The use of biomass in diversity analysis permitted to detect differences in the relative contribution of species in hierarchy dominance. The comparison between bee faunas from different areas indicates a large similarity of the sampled fauna in Palmeiras (Bahia State) with neighboring ecosystems, although with low values of similarity. PMID:17348126

da Silva-Pereira, Vivane; Santos, Gilberto M M

73

Ultrastructural, antigenic and physicochemical characterization of the Mojuí dos Campos (Bunyavirus) isolated from bat in the Brazilian Amazon region.  

PubMed

The Mojuí dos Campos virus (MDCV) was isolated from the blood of an unidentified bat (Chiroptera) captured in Mojuí dos Campos, Santarém, State of Pará, Brazil, in 1975 and considerated to be antigenically different from other 102 arboviruses belonging to several antigenic groups isolated in the Amazon region or another region by complement fixation tests. The objective of this work was to develop a morphologic, an antigenic and physicochemical characterization of this virus. MDCV produces cytopathic effect in Vero cells, 24 h post-infection (p.i), and the degree of cellular destruction increases after a few hours. Negative staining electron microscopy of the supernatant of Vero cell cultures showed the presence of coated viral particles with a diameter of around 98 nm. Ultrathin sections of Vero cells, and brain and liver of newborn mice infected with MDCV showed an assembly of the viral particles into the Golgi vesicles. The synthesis kinetics of the proteins for MDCV were similar to that observed for other bunyaviruses, and viral proteins could be detected as early as 6 h p.i. Our results reinforce the original studies which had classified MDCV in the family Bunyaviridae, genus Bunyavirus as an ungrouped virus, and it may represent the prototype of a new serogroup. PMID:12048556

Wanzeller, Ana L M; Diniz, José A P; Gomes, Maria L C; Cruz, Ana C R; Soares, Manoel C P; de Souza, Wanderley; Travassos da Rosa, Amélia P A; Vasconcelos, Pedro F C

2002-04-01

74

Induction of metallothioneins in Mullus barbatus as specific biomarker of metal contamination: A field study in the western Mediterranean Inducción de metalotioneínas en Mullus barbatus como biomarcador específico de contaminación metálica: Estudio de campo en el Mediterráneo occidental  

Microsoft Academic Search

Red mullet (Mullus barbatus, Linnaeus, 1758) is one of the fish species used as bioindicator in the Mediterranean Pollution Monitoring Programme (MEDPOL). This paper presents the results of a field study on the induction of hepatic metallothioneins (MT) in red mullet as specific biomarker of metal contamination. Specimens of M. barbatus were collected in six areas with different degrees of

J. Benedicto; J. Campillo

2005-01-01

75

Well-log signatures of alluvial-lacustrine reservoirs and source rocks, Lagoa-Feia Formations, Lower Cretaceous, Campos Basin, offshore Brazil  

Microsoft Academic Search

The Campos basin is situated in offshore southeastern Brazil. The Lagoa Feia is the basal formation in the stratigraphic sequence of the basin, and was deposited during rifting in an evolving complex of lakes of different sizes and chemical characteristics, overlying and closely associated with rift volcanism. The stratigraphic sequence is dominated by lacustrine limestones and shales (some of them

D. Abrahao; J. E. Warme

1988-01-01

76

EFICACIA Y RESIDUALIDAD DE DOS INSECTICIDAS PIRETROIDES CONTRA Triatoma infestans EN TRES TIPOS DE VIVIENDAS. EVALUACIÓN DE CAMPO EN AREQUIPA, PERÚ  

Microsoft Academic Search

RESUMEN Objetivos. Comparar la eficacia residual de dos insecticidas en el control vectorial del Triatoma infestans sobre tres tipos de vivienda en dos localidades de Arequipa, Perú. Material y métodos. Ensayo de campo, se utilizaron formulaciones de polvo mojado de deltametrina y lambdacihalotrina sobre diferentes sustratos (concreto, ladrillo y sillar) a dosis de 25 y 30 mg\\/m2 respectivamente. Se usó

Miriam Palomino; Pablo Villaseca; Fanny Cárdenas; Jenny Ancca; Maritza Pinto

77

Morphophysiological differences in leaves of Lavoisiera campos-portoana (Melastomataceae) enhance higher drought tolerance in water shortage events.  

PubMed

Lavoisiera campos-portoana Barreto (Melastomataceae) has two kinds of leaves, pubescent and glabrous, and branches may have one or both types of leaves at the same moment. The plant is endemic to high altitude rocky fields in Brazil where rainfall is very seasonal. We predicted that these two leaf types are adaptations to different regimes of water availability. In experimental conditions of drought stress, we measured relative water content (RWC), photosynthetic pigments, chlorophyll a fluorescence and osmotic potential, and we counted stomates and measured stomatal conductance on both sides of leaves and compared these between the two leaf types. Stomatal conductance and electron transport rate at a given photosynthetic photon flux were greater in pubescent leaves than in glabrous leaves, and both declined during drought stress. Excessive photon flux density in glabrous leaves was greater during stress and after rehydration. Photosynthetic pigment content and RWC did not change between leaves, and values reduced during the stress period. Both types of leaves showed osmotic adjustment capacity, which occurred earlier in glabrous ones. These morphophysiological differences highlight the adaptation strategies of this plant to withstand drought, since the glabrous portion of the plant presents a preventive behavior, while the pubescent portion only shows the same responses in more advanced stages of drought stress. PMID:21400250

França, Marcel Giovanni Costa; Prados, Lucas Martins Zimmer; de Lemos-Filho, José Pires; Ranieri, Bernardo Dourado; Vale, Fernando Henrique Aguiar

2011-03-15

78

LA BIO?TICA COMO QUEHACER FILOS?FICO  

PubMed Central

El artículo examina el estatuto epistemológico de la bioética como disciplina académica. El autor sostiene que el estatuto epistemológico de un discurso lo determina la pregunta fundamental que se plantea y la respuesta que se busca, focos integradores del discurso. En el caso de la bioética, la pregunta fundamental es de índole moral. La bioética es pues una disciplina ética que tiene su hogar epistemológico en la filosofía. El autor también defiende el concepto de “éticas aplicadas”. Sugiere finalmente que el método de la bioética, sobre todo la que se hace desde nuestras latitudes, debería adoptar el círculo hermenéutico como metodología para su filosofar.

Ferrer, Jorge Jose

2009-01-01

79

Infância, exclusão social e educação como utopia realizável  

Microsoft Academic Search

RESUMO: A infância, como construção social, tem sofrido, no decurso da 2ª modernidade, processos de reinstitucionalização que, em larga medida, põem em causa as representações e imagens das crianças, dominantes nos últimos 200 anos. A análise da (re)construção das identidades sociais e das subjectividades infantis constitui, desse modo, uma tarefa teórica da mais exigente actualidade. O que, entretanto, aqui se

Manuel Jacinto Sarmento

2002-01-01

80

Adorno, arte e educação: negócio da arte como negação  

Microsoft Academic Search

RESUMO: O eixo temático desta investigação trata de compreender que a obra de arte corporifica na sua forma interna uma autonomia relativa com relação à realidade empírica sobre a qual se torna refle- xão crítica. Ao se caracterizar como mediação com a realidade social que a produziu, a arte é por isso mesmo a sua negação. É esse princí- pio

Luiz Hermenegildo Fabiano

2003-01-01

81

PIER PAOLO PASOLINI E O CINEMA COMO POESIA  

Microsoft Academic Search

Resumo: O artigo visa a tecer algumas considerações acerca da noção de linguagem cinematográfica de Pasolini tomando como referência seu texto Il cinema di poesia. O objetivo é conhecer aspectos da percepção estética e política desse intelectual e refletir sobre o objetivo de Pasolini de mostrar que o cinema é a linguagem expressiva da realidade. A poesia está no modo

Ana Paula Schlesener

82

Genetic and morphological variation in the Bulbophyllum exaltatum (Orchidaceae) complex occurring in the Brazilian “campos rupestres”: implications for taxonomy and biogeography  

Microsoft Academic Search

The Bulbophyllum exaltatum complex comprises 15 described taxa, and present a number of unresolved taxonomic questions, especially among populations\\u000a found in the Brazilian campo rupestre vegetation. Allozymes were examined in 33 populations to determine the degree of genetic variability between them and their\\u000a degree of differentiation to better define the taxa of this group. Additionally morphometric analyses were also performed

P. Luz Ribeiro; E. Leite Borba; E. de Camargo Smidt; S. Mota Lambert; A. Selbach Schnadelbach; C. van den Berg

2008-01-01

83

ADIPOSIDADE CORPÓREA E TEMPO DE ASSISTÊNCIA À TV EM ESCOLARES DE 11 A 14 ANOS DE DUAS REGIÕES GEOGRÁFICAS DO MUNICÍPIO DE CAMPO GRANDE - MS BODY ADIPOSITY AND DAILY TV VIEWING IN 11 TO 14YEAROLD STUDENTS AT TWO SCHOOLS IN CAMPO GRANDE, MS, BRAZIL  

Microsoft Academic Search

The objective of this study was to analyze body adiposity, daily TV viewing and prevalence of obesity, and to identify associations between TV viewing and relative body fat in boys and girls aged 11 to 14 years attending two municipal schools in Campo Grande - Mato Grosso, Brazil. One school is located in the central region of the city and

Ana Janice Piovesan; Renato Shoei Yonamine; Adair da Silva Lopes; Ruy Correa Filho

84

From Como to Copenhagen: The Beginnings and Ends of Complementarity  

NASA Astrophysics Data System (ADS)

This paper examines the transformation of Bohr's interpretation of quantum phenomena and quantum mechanics, known as complementarity, from the version presented in his famous Como lecture (1927), which introduced complementarity, to a new version that was developed by Bohr shortly thereafter, in part under the impact of his intervening exchanges with Einstein. While the existence of more than one version of Bohr's complementarity (and of still different versions of the Copenhagen interpretation by others) has been noted, Bohr's rethinking itself of complementarity has rarely been adequately addressed. Apart from refining and indeed correcting the Como argument, the transformation in question was, I argue, defined by a shift from a more philosophical to a more experimental argument. My aim is to explore both this shift and the complexity of the relationships between physics and philosophy in Bohr's thinking in order to understand better the beginnings and the ends, also in the sense of aims, of Bohr's complementarity.

Plotnitsky, Arkady

2007-12-01

85

Quantification of Meso-Scale Porosity From Borehole Wall Images. Example From the ALIANCE Campos Experimental Site, Mallorca, Spain.  

NASA Astrophysics Data System (ADS)

The porosity distribution in carbonates from reefal origin is controlled both by primary and diagenetic processes (fracturing, dolomitisation and dissolution). The study and characterisation of porosity in reservoirs therefore requires a multi-scale and multidisciplinary approach. The analysis of mm-scale digital borehole wall images provides a reliable and practical method to identify mesoscale (vuggy to karstic) porosity and/or fracture porosity, and a new method providing a quantitative analysis of such images is presented here. This new method is based on the analysis of borehole acoustic and optical images. These images have been collected from the MC2 corehole that penetrates the Miocene reefal carbonates of the Campos Coastal site (Mallorca, Baleares, Spain). These sites were drilled in the framework of the Advance Logging Investigations of Aquifers iN Coastal Environment (ALIANCE) European Community Program aimed at developing new techniques to investigate salt-water intrusion in coastal regions. This new method (i) is insensitive to potential eccentering bias of the borehole image logging tools, (ii) analyses vugs and background based on the greyscale colour of each digital images and (iii) calculates the percentage of vuggy/fracture porosity and its attributes in terms of pores size, shape and orientation distributions. Experimentation and comparison with classical porosity determinations (triple weight and Mercury (Hg) porosity) on core, image analysis of slabbed-core samples and thin sections showed that a simple greyscale threshold would not realistically differentiate between greyscale contrast of vugs and background. A moving average calculated around the circumference of the borehole and expressed as the background greyscale intensity is identified as a baseline from which to identify a local greyscale threshold for vugs. Once identified, the characterization of the pores intersected by the borehole as a function of depth and azimuth allow (i) to correlate porosity with lithology (natural gamma ray, velocity and electrical conductivity) as well as hydrological profiles (fluid temperature, pH, dissolved 02), (ii) to characterize lithological units, (iii) to identify the diagenetic processes leading to the present transport properties of the structure and (iv) to evaluate the impact of present brine intrusion several km into the island.

Pezard, P.; Gaillot, P.; Maria-Sube, Y.; Gouze, P.; Lotz, G.

2004-12-01

86

Applicant Services in COMO: Analysis of Data from the U.S. Training and Employment Service Applicant Follow-Up Survey (COMO Data Analysis).  

National Technical Information Service (NTIS)

The study evaluates services provided to job-applicants by the 'COMO' (Comprehensive Model) model Employment Service Offices. One-month follow-up data was collected on samples of ES applicants in 6 COMO cities and 3 non-COMO cities at different points in ...

1973-01-01

87

The Astronomer/instrument Maker Campos Rodrigues and the Contribution of the Observatory of Lisbon for the 1900-1901 Solar Parallax Programme  

NASA Astrophysics Data System (ADS)

In 1900 the Permanent International Committee for Photographic Execution of the Sky-map promoted a comprehensive observational programme on the asteroid 433 Eros, in order to determine a new and more accurate value for the solar parallax. Although having but scarce material means, the Astronomical Observatory of Lisbon gave an important contribution to this programme. This was made possible by improvements introduced by the astronomer and instrument maker Campos Rodrigues in the instruments and observational methods then employed at the observatory. This case is presented here from the point of view of the relationship between scientists and the material culture of science.

Raposo, Pedro

2006-08-01

88

Well-log signatures of alluvial-lacustrine reservoirs and source rocks, Lagoa-Feia Formations, Lower Cretaceous, Campos Basin, offshore Brazil  

SciTech Connect

The Campos basin is situated in offshore southeastern Brazil. The Lagoa Feia is the basal formation in the stratigraphic sequence of the basin, and was deposited during rifting in an evolving complex of lakes of different sizes and chemical characteristics, overlying and closely associated with rift volcanism. The stratigraphic sequence is dominated by lacustrine limestones and shales (some of them organic-rich), and volcaniclastic conglomerates deposited on alluvial fans. The sequence is capped by marine evaporites. In the Lagoa Feia Formation, complex lithologies make reservoirs and source rocks unsuitable for conventional well-log interpretation. To solve this problem, cores were studied and the observed characteristics related to log responses. The results have been extended through the entire basin for other wells where those facies were not cored. The reservoir facies in the Lagoa Feia Formation are restricted to levels of pure pelecypod shells (''coquinas''). Resistivity, sonic, neutron, density, and gamma-ray logs were used in this work to show how petrophysical properties are derived for the unconventional reservoirs existing in this formation. The same suite of logs was used to develop methods to define geochemical characteristics where source rock data are sparse in the organic-rich lacustrine shales of the Lagoa Feia Formation. These shales are the main source rocks for all the oil discovered to date in the Campos basin.

Abrahao, D.; Warme, J.E.

1988-01-01

89

O trabalho como principio educativo e o trabalho na forma social do capital  

Microsoft Academic Search

RESUMO: O texto tem como finalidade analisar criticamente a concepção do trabalho como princípio educativo no interior da forma social do capital. À luz da contribuição teórica de Marx, sobretudo em O Capital, discute o significado das três categorias fundantes de trabalho ? trabalho concreto, trabalho abstrato e trabalho produtivo ?, bem como a relação de contradição que ocorre entre

Paulo Sergio Tumolo

90

Efetividade da reabilitação pulmonar como tratamento coadjuvante da doença pulmonar obstrutiva crônica  

Microsoft Academic Search

3 Introdução: O paciente portador de DPOC diminui sua atividade física global devido a piora progressiva da função pulmonar como conseqüência de qualquer forma de esforço físico por ele realizado. A reabilitação pulmonar (RP) é utilizada nos EUA e Europa como alternativa terapêutica no tratamento da DPOC. Objetivo: Avaliar a efetividade do programa de RP como tratamento coadjuvante da DPOC.

SÉRGIO LEITE RODRIGUES; CARLOS ALBERTO DE ASSIS VIEGAS; TEREZINHA LIMA

2002-01-01

91

LA ORALIDAD COMO EXPRESIÓN DE LA CULTURA POPULAR TRADICIONAL EN LA COMUNIDAD LA JOSEFA EN CAONAO  

Microsoft Academic Search

El presente artículo tiene como título: “La oralidad como expresión de la cultura popular tradicional en la comunidad La Josefa en Caonao” se centra en analizar la significación de la tradición oral para la comunidad de la Josefa. Sobre la base de los conceptos de cultura, cultura identitaria y tradición se analiza a la tradición oral como expresión de la

Yoanelys Mirabal Pérez; Lahera Alejandre

2011-01-01

92

Levelling profiles and a GPS network to monitor the active folding and faulting deformation in the Campo de Dalias (Betic Cordillera, southeastern Spain).  

PubMed

The Campo de Dalias is an area with relevant seismicity associated to the active tectonic deformations of the southern boundary of the Betic Cordillera. A non-permanent GPS network was installed to monitor, for the first time, the fault- and fold-related activity. In addition, two high precision levelling profiles were measured twice over a one-year period across the Balanegra Fault, one of the most active faults recognized in the area. The absence of significant movement of the main fault surface suggests seismogenic behaviour. The possible recurrence interval may be between 100 and 300 y. The repetitive GPS and high precision levelling monitoring of the fault surface during a long time period may help us to determine future fault behaviour with regard to the existence (or not) of a creep component, the accumulation of elastic deformation before faulting, and implications of the fold-fault relationship. PMID:22319309

Marín-Lechado, Carlos; Galindo-Zaldívar, Jesús; Gil, Antonio José; Borque, María Jesús; de Lacy, María Clara; Pedrera, Antonio; López-Garrido, Angel Carlos; Alfaro, Pedro; García-Tortosa, Francisco; Ramos, Maria Isabel; Rodríguez-Caderot, Gracia; Rodríguez-Fernández, José; Ruiz-Constán, Ana; de Galdeano-Equiza, Carlos Sanz

2010-04-08

93

Levelling Profiles and a GPS Network to Monitor the Active Folding and Faulting Deformation in the Campo de Dalias (Betic Cordillera, Southeastern Spain)  

PubMed Central

The Campo de Dalias is an area with relevant seismicity associated to the active tectonic deformations of the southern boundary of the Betic Cordillera. A non-permanent GPS network was installed to monitor, for the first time, the fault- and fold-related activity. In addition, two high precision levelling profiles were measured twice over a one-year period across the Balanegra Fault, one of the most active faults recognized in the area. The absence of significant movement of the main fault surface suggests seismogenic behaviour. The possible recurrence interval may be between 100 and 300 y. The repetitive GPS and high precision levelling monitoring of the fault surface during a long time period may help us to determine future fault behaviour with regard to the existence (or not) of a creep component, the accumulation of elastic deformation before faulting, and implications of the fold-fault relationship.

Marin-Lechado, Carlos; Galindo-Zaldivar, Jesus; Gil, Antonio Jose; Borque, Maria Jesus; de Lacy, Maria Clara; Pedrera, Antonio; Lopez-Garrido, Angel Carlos; Alfaro, Pedro; Garcia-Tortosa, Francisco; Ramos, Maria Isabel; Rodriguez-Caderot, Gracia; Rodriguez-Fernandez, Jose; Ruiz-Constan, Ana; de Galdeano-Equiza, Carlos Sanz

2010-01-01

94

The effect of an oil drilling operation on the trace metal concentrations in offshore bottom sediments of the Campos Basin oil field, SE Brazil.  

PubMed

The concentrations of Al, Fe, Mn, Zn, Cu, Pb, Ni, Cr, Ba, V, Sn and As in offshore bottom sediments from the Bacia de Campos oil field, SE Brazil, were measured at the beginning and at 7 months after completion of the drilling operation. Concentrations of Al, Fe, Ba, Cr, Ni and Zn were significantly higher closer to the drilling site compared to stations far from the site. Average concentrations of Al, Cu, and in particular of Ni, were significantly higher at the end of the drilling operation than at the beginning. Comparison between drilling area sediments with control sediments of the continental platform, however, showed no significant difference in trace metal concentrations. Under the operation conditions of this drilling event, the results show that while changes in some trace metal concentrations do occur during drilling operations, they are not significantly large to be distinguished from natural variability of the local background concentrations. PMID:12222892

Rezende, C E; Lacerda, L D; Ovalle, A R C; Souza, C M M; Gobo, A A R; Santos, D O

2002-07-01

95

Major controlling factors on hydrocarbon generation and leakage in South Atlantic conjugate margins: A comparative study of Colorado, Orange, Campos and Lower Congo basins  

NASA Astrophysics Data System (ADS)

We present a supra-regional comparative study of the major internal and external factors controlling source rock (SR) maturation and hydrocarbon (HC) generation and leakage in two pairs of conjugate margins across the South Atlantic: the Brazil (Campos Basin)-Angola (Lower Congo Basin) margins located in the "central segment", and the Argentina (Colorado Basin)-South Africa (Orange Basin) in the "southern segment". Our approach is based on the analysis and integration of borehole data, 1D numerical modeling, 2D seismic reflection data, and published reports. Coupling of modeling results, sedimentation rate calculation and seal-bypass system analysis reveal that: (1) oil window is reached by syn-rift SRs in the southern segment during the Early to Late Cretaceous when thermal subsidence is still active, while in the central segment they reach it in Late-Cretaceous-Neogene during a salt remobilization phase, and (2) early HC generation from post-rift SRs in the southern segment and from all SRs in the central segment appears to be controlled mainly by episodes of increased sedimentation rates. The latter seems to be associated with the Andes uplift history for the western South Atlantic basins (Campos and Colorado) and to a possibly climate-driven response for the eastern South Atlantic basins (Orange and Lower Congo). Additionally, we observe that the effect of volcanism on SR maturation in the southern segment is very local. The comparison of Cretaceous mass transport deposit (MTD) episodes with HC peak of generation and paleo-leakage indicators in the southern segment revealed the possible causal effect that HC generation and leakage have over MTD development. Interestingly, Paleogene leakage indicators, which were identified in the Argentina-South Africa conjugate margins, occur contemporaneously to low sedimentation rate periods. Nonetheless, present-day leakage indicators which were also identified in both pairs of conjugate margins might be related to seal failure events linked to eustatic sea-level drops.

Marcano, Gabriela; Anka, Zahie; di Primio, Rolando

2013-09-01

96

Infl uence of pre-salt alignments in the post- Aptian magmatism in the Cabo Frio High and its surroundings, Santos and Campos Basins, SE Brazil: an example of non-plume-related magmatism  

Microsoft Academic Search

This study of the Late Cretaceous and Early Tertiary magmatism in the offshore Cabo Frio area, at the border between the Santos and Campos Basins, SE Brazil, is based 2D and 3D seismic lines processed using amplitude Volume of Amplitudes (VA) and onshore mapping and offshore well data. The data suggest interpretations regarding genesis of this magmatism which do not

Sérgio Goulart Oreiro; José Antônio Cupertino; Peter Szatmari; Antônio Thomaz

97

Influence of pre-salt alignments in post-Aptian magmatism in the Cabo Frio High and its surroundings, Santos and Campos basins, SE Brazil: An example of non-plume-related magmatism  

Microsoft Academic Search

This study, based on interpretations of 2D and 3D seismic data, onshore satellite data, and offshore seismic mapping and well data, addresses the geological evolution of Late Cretaceous and Early Tertiary magmatism in the offshore Cabo Frio area, at the border between the Santos and Campos basins, SE Brazil. The analysis of the available data set suggests an alternative genesis

Sérgio Goulart Oreiro; José Antônio Cupertino; Peter Szatmari; Antônio Thomaz Filho

2008-01-01

98

Prospective study on the prevention of vertical transmission of HIV in Campo Grande, Mato Grosso do Sul, Brazil, from 1996 to 2001.  

PubMed

This prospective study, involving 76 pregnant women infected with HIV, paired with their 79 exposed infants, was carried out between May 1996 and October 2001, at the Reference Department for Pregnant Women Infected with HIV in Campo Grande, Mato Grosso do Sul. The mean age of the pregnant women was 24 years; 88% (67/76) apparently were infected due to sexual practices; 88% (67/76) were housewives; 823% (63/76) graduated from junior high school; 14.5% (11/76) reported co-infection with Hepatitis C, 9.2% with Syphilis; 51% (39/76) learned the diagnosis during prenatal care; 67% (51/76) reported HIV clinical symptomatology and 9.2% (7/76) reported opportunistic infections. Elective cesareans were performed in 57% (43/76). The mean gestational age at delivery was 38 weeks and we found 12.5% (10/80) pronatis; 97% (74/76) had a ruptured membrane time after less than four hours and one child (1.3%) was nursed. ACTG 076 Protocol (AIDS Clinical Trial Group 076) was used in 80% (61/76) of the pregnant women, with 100% adherence; 62% (38/61) used zidovudine plus another antiretroviral in the gestation; 92% (73/79) of the infants used zidovudine after the birth and 19% (14/73) used zidovudine and lamivudine. The transmission rate in this study was 2.5%. PMID:15947843

Dal Fabbro, Márcia Maria Ferrairo Janini; Cunha, Rivaldo Venâncio da; Paniago, Anamaria Mello Miranda; Lindenberg, Andréa de Siqueira C; Freitas, Gisele Maria Brandão de; Nogueira, Susie Andries

2005-06-06

99

A TV Digital Interativa como Ferramenta de Apoio à Educação Infantil  

Microsoft Academic Search

A Televisão Digital e Interativa (TVDI) deve revolucionar o mundo das mídias digitais de forma similar à inserção da televisão há cinqüenta anos ou a Web na última década. Na fase atual de discussão do tema, é importante não apenas considerar aspectos técnicos, como também os impactos sociais dessa tecnologia no nosso País. O governo brasileiro coloca a educação como

C. A. S. Santos; Tatiana Aires

2007-01-01

100

DE VIAJES Y MIEDOS: LA AGORAFOBIA COMO UNA FORMA DE CONTROL ECONÓMICO  

Microsoft Academic Search

El objetivo del siguiente trabajo es describir casos análogos de fobia o miedo a los viajes en otras culturas y tiempos diferente a los modernos. En este sentido, consideramos que tanto la cultura aymará como la vida en la antigua roma nos proveen de ejemplos suficientes para considerar a la fobia a los viajes como un problema en extensión. Por

Maximiliano Korstanje

2008-01-01

101

El desarrollo de la escucha como habilidad para comprender, a partir de la asignatura inglés  

Microsoft Academic Search

Este artículo aborda una problemática actual al profundizar en el desarrollo de la habilidad Escuchar como habilidad para comprender, se hace una sistematización de conocimientos teóricos sobre la temática, se intenta mostrar cómo una actividad común de audición encontrada en la mayoría de los libros de texto modernos de la enseñanza del EFL (inglés como idioma extranjero), puede ser explotada

Rafael Lorenzo Hechavarría Pérez

2011-01-01

102

Effects of non-aqueous fluids-associated drill cuttings discharge on shelf break macrobenthic communities in the Campos Basin, Brazil.  

PubMed

This paper assesses the effects of non-aqueous fluids (NAF)-associated drill cuttings discharge on shelf break macrobenthic communities in the Campos Basin, off the southeast Brazilian coast, Rio de Janeiro State. Samples were taken with a 0.25-m2 box corer from surrounding two oil and gas wells on three monitoring cruises: before drilling, three months after drilling, and 22 months after drilling. Statistical methodologies used Bayesian geostatistical and analysis of variance models to evaluate the effects of the NAF-associated drill cuttings discharge and to define the impact area. The results indicated that marked variations were not observed in the number of families between cruises, though there were changes in the fauna composition. The changes seen in biological descriptors in both control and background situation areas were not considered significant, showing a temporal homogeneity in means. The impact area presented changes in biological descriptors of communities and trophic structure during the three cruises and such changes were correlated to chemical and physical variables related to the drilling activities, as a result of the mix of drill cuttings and sediment and the anoxic conditions established in the substrate. In that area, three months after drilling, a decrease in diversity and an increase in density, motile deposit-feeders and Pol/Crp ratio, and dominance of opportunistic organisms, such as the capitellid Capitella sp., were observed and, 22 months after drilling, an increase of diversity, reduction of dominance of capitellid polychaete, changes in the fauna composition, and a dominance of opportunistic burrowing and tube-building organisms were observed, indicating an ecological succession process. PMID:20524059

Santos, Maria Fernanda L; Silva, Janete; Fachel, Jandyra M G; Pulgati, Fernando H

2010-06-05

103

Atomic-Scale Structure of Co–Mo–S Nanoclusters in Hydrotreating Catalysts  

Microsoft Academic Search

By means of scanning tunneling microscopy (STM), it has been possible to obtain the first atomic-scale images of the Co–Mo–S structure present in hydrodesulfurization (HDS) catalysts. Information on the catalytically important edge structures has been obtained by synthesizing single-layer Co–Mo–S nanoclusters using the Au(111) herringbone structure as a template. It is observed that the presence of the Co promoter atoms

J. V Lauritsen; S Helveg; E Lægsgaard; I Stensgaard; B. S Clausen; H Topsøe; F Besenbacher

2001-01-01

104

Influencia de los bancos y cajas como accionistas y acreedores en la manipulación contable de las empresas  

Microsoft Academic Search

En este trabajo utilizamos una base de datos formada por 13247 empresas españolas para el periodo 1996-2000 y estudiamos el efecto de la presencia de instituciones financieras –bien sea como accionista o como acreedor- en las practicas de manipulación de beneficios (earnings management) de las empresas. Encontramos que las instituciones financieras como accionistas estimulan las prácticas de manipulación contable en

Jordi Surroca; Josep A. Tribo

2007-01-01

105

Las lenguas como elementos de cohesión social. Del multilingüismo al desarrollo de habilidades para la comunicación intercultural  

Microsoft Academic Search

Resumen La lengua, entendida como factor de cohesión social, ha sido considerada desde diversas perspectivas asimilacionistas como necesaria y prioritaria para la integración en una sociedad receptora de quienes proceden de otras comunidades lingüísticas y culturales. Este artículo propone una reflexión sobre la diversidad como elemento ineludible en la construcción de una nueva ciudadanía multicultural en la que la lengua

Martina Tuts; Colectivo Yedra

106

Alfabetismo Científico en el Aula Escolar  

NSDL National Science Digital Library

Fostering scientific literacy empowers students to: understand the basic concepts in the media and civic policy. improve inquiry and critical thinking skills, and make connections about our interaction with the natural world. The English version is found at: http://www.actionbioscience.org/education/brewer.html

Carol Brewer (University of Montana, Missoula;)

2010-05-07

107

On the structural differences between alumina-supported CoMoS type I and alumina-, silica, and carbon-supported CoMoS type II phases studied by XAFS, MES, and XPS  

SciTech Connect

In this study the local structure of the Mo and Co promoter atoms in CoMoS type I and II on alumina, and CoMoS type II on various supports is compared using in situ XAFS spectroscopy as the main technique with XPS and MES in a supporting role. In the CoMoS phase the Co atoms are positioned at the edge of the MoS[sub 2] particles, in the same place as the Mo atoms. The CoMoS phase in all catalysts shows a well defined Co-Mo and a Mo-Co coordination. On alumina the CoMoS type II phase is present as a multilayer structure. The silica-supported CoMoS type II closely resembles its alumina-supported counterpart. However, the Mo-S coordination number, the structural ordering and degree of stacking of the carbon-supported type II CoMoS phase is much more similar to the type I CoMoS phase supported on alumina. This contradicts the common opinion that the CoMoS type II phase is fully sulfided and not chemically bonded to the support. Two different types of Co-sites can be distinguished in the suite of catalysts studied in this paper. A Co-site with an approximately fivefold Co-S coordination and possibly a single Co-Mo coordination is predominant in the least active alumina-supported CoMoS type I and CoMoS type II (with Co/Mo = 0.39 at/at) samples. The other Co-site has a sixfold Co-S coordination with possibly a twofold Co-Mo coordination and has the highest activity for HDS. The latter site constitutes a large part of the Co-sites in silica-supported CoMoS phase II and alumina-supported CoMoS type (II) (with Co/Mo = 0.32) and is exclusively present in the carbon-supported CoMoS phase II. 46 refs., 9 figs., 3 tabs.

Bouwens, S.M.A.M.; Zon, F.B.M. van; Veen, J.A.R. van; Koningsberger, D.C. (Eindhoven Univ. of Technology (Netherlands)); Dijk, M.P. van (Koninklijke/Shell Laboratorium Amsterdam (Netherlands)); Kraan, A.M. van der (Delft Univ. of Technology, Mekelweg (Netherlands))

1994-04-01

108

O papel dos Larídeos como portadores de Salmonella e Listeria spp  

Microsoft Academic Search

Resumo: Tal como noutros países, a população de gaivotas (larídeos) aumentou exponencialmente em Portugal. Para averi- guar as implicações na Saúde Pública deste sobrecrescimento, duzentas e oitenta e cinco amostras de fezes de gaivotas foram analisadas para dois agentes potencialmente patogénicos para o Homem, Salmonella spp. e Listeria sp. Isolou-se Salmonella sp em trinta e sete amostras (13%). Os serotipos

E. L. Duartea; M. M. Guerra; F. M. Bernardo; CIÊNCIAS VETERINÁRIAS

109

La hipnosis como adjunto en el tratamiento del hábito de fumar. Estudio de caso  

Microsoft Academic Search

Se presenta el caso de una paciente de 33 años con dependencia a la nicotina que lle vaba 9 años fu- mando una media de 35 cigarrillos diarios. Intentó dejarlo hace 3 años pero tuvo una recaída a los seis meses por problemas de ansiedad y continuó con su adicción. El tr atamiento tuvo como objetivo que la paciente dejara

María Elena; Mendoza Figueroa

2000-01-01

110

El mobbing como modelo de relaciones laborales en la Banca japonesa en España  

Microsoft Academic Search

Este artículo analiza cómo ciertos modelos empresariales de culturas tradicionales y fuertemente jerarquizadas como la japonesa, junto a factores de globalización, competitividad, fusiones o crisis económica, son el caldo de cultivo para que el acoso psicológico se institucionalice y forme parte de la cultura de empresa y de las relaciones laborales. El análisis se ha realizado en uno de los

Martínez García

111

Frogs and salamanders from the Upper Jurassic Morrison Formation (Quarry Nine, Como Bluff) of North America  

Microsoft Academic Search

Previously undescribed frog and salamander bones from the Morrison Formation, at Quarry Nine, Como Bluff, Wyoming, are reported. One anuran ilium is diagnostically discoglossid and forms the basis of Enneabatrachus hechti, gen. et sp. nov. A second ilium is diagnostically pelobatid and is the earliest record for the family Pelobatidae, although it is indeterminate below family level. Salamander vertebrae appear

Susan E. Evans; Andrew R. Milner

1993-01-01

112

Espessura Endometrial como Fator Orientador do Tratamento Clínico da Gravidez Tubária Íntegra  

Microsoft Academic Search

Objetivos: avaliar a contribuição da medida da espessura endometrial como fator orientador do tratamento clínico da gravidez tubária íntegra. Métodos: estudo observacional longitudinal, no qual se avaliou a maior medida da espessura endometrial em milímetros, no eixo longitudinal uterino, por meio da ultra-sonografia transvaginal, parâmetro que foi correlacionado com a evolução dos casos. Foram incluídas no estudo 181 pacientes que

Roberto da Costa Soares; Júlio Elito Junior; Kyung Koo Han; Luiz Camano

2002-01-01

113

Chromatic weathering of black limestone quarried in Varenna (Lake Como, Italy)  

Microsoft Academic Search

The causes of chromatic weathering in black limestone have been investigated on samples from the main quarry of Varenna (Lake Como, Italy), which provided building stones for Lombard architecture. Our studies have been carried out combing colorimetric, mineralogical, chemical, microstructural and geochemical observations. The results suggest that the chromatic weathering affecting the surfaces of black limestone is not due to

Nicoletta Marinoni; Alessandro Pavese; Angelo Riva; Fiorenza Cella; Tiziano Cerulli

2007-01-01

114

Garcinia cambogia - uma espécie vegetal como recurso terapêutico contra a obesidade?6  

Microsoft Academic Search

Resumo Atualmente, a obesidade é um problema de saúde pública mundial, tanto nos países desenvolvidos como nos em desenvolvimento, apresentando elevação de sua prevalência. A transição nutricional é um processo de modificações seqüenciais no padrão de nutrição e consumo que acompanha mudanças econômicas, sociais e demográficas, e mudanças do perfil de saúde das populações. Este trabalho objetiva abordar a comprovação

Ana C S Santos; Michelle S Alvarez; Priscila B Brandão; Ary G Silva

115

El ejercicio físico como terapia complementaria en el cáncer de próstata  

Microsoft Academic Search

Este artículo presenta como el ejercicio físico es una terapia complementaria en el tratamiento del cáncer próstata. En concreto presentamos el diseño e implementación de un programa de ejercicio físico de fuerza-resistencia adaptado al cáncer de próstata. El modelo base corresponde a la guía de la American College Sports Medicine Position Stand (ACSM 1998). La adaptación y transformación del programa

Bernat Carles Serdà Ferrer; Pilar Monreal Bosch; Arantza Del Valle

2009-01-01

116

Hydrologic flowpaths and biogeochemical cycles in the subalpine Como Creek catchment, Colorado Front Range, USA  

NASA Astrophysics Data System (ADS)

An outstanding question for snowmelt-dominated watersheds of the western US are the responses of biogeochemical processes to two major drivers of environmental change: directional changes in climate and increasing dissolved inorganic nitrogen (DIN) deposition in wetfall. In the Colorado Front Range, atmospheric deposition of DIN has increased several-fold in the last 25 years. In response, nitrate concentrations at the alpine Green Lakes 4 (GL4) catchment have increased from 1985 to 2009 by 0.27 ?eq L-1 yr-1. In contrast, we see no directional change in either nitrate concentrations or fluxes in the subalpine Como Creek catchment. We hypothesize that differences in surface/groundwater interactions result in the differing behavior of stream nitrate between the alpine and subalpine catchments that are receiving similar amounts of DIN from atmospheric deposition. For both basins we sampled precipitation, snowpack, snowmelt, surface water, and subsurface waters. All water samples are analyzed for geochemical, nutrient and isotopic (?18O, ?D) composition. Stream chemistry data from the last ten years at Como Creek show increases in nitrate concentration during baseflow conditions and then a sharp decline during snowmelt. In contrast, in the alpine basin there is sharp increase in surface water nitrate during snowmelt. Hydrograph separation at the alpine GL4 using end member mixing analysis (EMMA) shows that stream flow is a mixture of three components, groundwater, talus, and new snowmelt that each contribute to roughly a third of discharge, with talus flow supplying the majority of nitrate. In contrast, and somewhat surprisingly, EMMA shows that for the subalpine Como Creek basin, annual streamflow is a mixture of only two components, groundwater and new snowmelt. During snowmelt the groundwater and snow contributions are nearly equal and subsurface flows dominate the remainder of the year. Newly installed piezometers at Como Creek provide evidence that the basin is largely a losing reach during snowmelt, with water levels in the piezometers increasing 5-7 m. After peak snowmelt however, Como Creek becomes a gaining stream, with piezometer levels dropping. Thus, both EMMA and piezometers show that surface-groundwater interactions are tightly coupled during snowmelt, with snowmelt at Como first replenishing the subsurface water deficit and increasing groundwater levels before contributing to discharge. Thus, in contrast to the alpine GL4 basin, DIN released in snowmelt is assimilated belowground as snowmelt infiltrates the subsurface in the subalpine basin. Interestingly, at the subalpine Como Creek basin, isotopic and geochemical solute concentrations undergo shifts during periods of winter baseflow prior to snowmelt. In winter much of the stream is frozen and we hypothesize that cryo-concentration of solutes and fractionation of isotopes may influence the concentrations of winter stream samples.

Cowie, R. M.; Williams, M. W.; Zeliff, M. M.; Parman, J.

2011-12-01

117

On the structural differences between alumina-supported CoMoS type I and alumina-, silica-, and carbon-supported CoMoS type II phases studied by XAFS, MES, and XPS  

Microsoft Academic Search

In this study the local structure of the Mo and Co promoter atoms in CoMoS type I and II on alumina, and CoMoS type II on various supports is compared using in situ XAFS spectroscopy as the main technique with XPS and MES in a supporting role. In the CoMoS phase the Co atoms are positioned at the edges of

D. C. Koningsberger; S. M. A. M. Bouwens; F. B. M. van Zon; Kraan van der AM; A. M. van der Kraan; Veen van JAR

1994-01-01

118

DIABETES MELLITUS COMO FACTOR DE RIESGO DE DEMENCIA EN LA POBLACI?N ADULTA MAYOR MEXICANA  

PubMed Central

Introduccion La diabetes mellitus y las demencias constituyen dos problemas crecientes de salud entre la población adulta mayor del mundo y en particular de los paises en desarrollo. Hacen falta estudios longitudinales sobre el papel de la diabetes como factor de riesgo para demencia. Objetivo Determinar el riesgo de demencia en sujetos Mexicanos con diabetes mellitus tipo 2. Materiales y Metodos Los sujetos diabéticos libres de demencia pertenecientes al Estudio Nacional de Salud y Envejecimiento en México fueron evaluados a los dos años de la línea de base. Se estudió el papel de los factores sociodemográficos, de otras comorbilidades y del tipo de tratamiento en la conversión a demencia. Resultados Durante la línea de base 749 sujetos (13.8%) tuvieron diabetes. El riesgo de desarrollar demencia en estos individuos fue el doble (RR, 2.08 IC 95%, 1.59–2.73). Se encontró un riesgo mayor en individuos de 80 años y más (RR 2.44 IC 95%, 1.46–4.08), en los hombres (RR, 2.25 IC 95%, 1.46–3.49) y en sujetos con nivel educativo menor de 7 años. El estar bajo tratamiento con insulina incrementó el riesgo de demencia (RR, 2.83, IC 95%, 1.58–5.06). Las otras comorbilidades que aumentaron el riesgo de demencia en los pacientes diabéticos fueron la hipertensión (RR, 2.75, IC 95%, 1.86–4.06) y la depresión (RR, 3.78, 95% IC 2.37–6.04). Conclusión Los sujetos con diabetes mellitus tienen un riesgo mayor de desarrollar demencia, La baja escolaridad y otras comorbilidades altamente prevalentes en la población Mexicana contribuyen a la asociación diabetes-demencia.

Silvia, Mejia-Arango; Clemente, y Zuniga-Gil

2012-01-01

119

Kinetic modeling of the SWNT growth by CO disproportionation on CoMo catalysts.  

PubMed

A kinetic model has been developed to describe the growth of single-walled carbon nanotubes (SWNT) in the CoMoCAT method, which is based on the disproportionation of CO on supported CoMo catalysts. The model attempts to capture mathematically the different stages involved in this method: (i) catalyst activation or in-situ creation of active sites, i.e., reduced Co clusters by transformation of CoMoOx precursor species, or oxidized sites; (ii) CO decomposition over active sites, which increases the surface fugacity of carbon until reaching a certain threshold; (iii) nucleation of ordered forms of carbon; (iv) C diffusion (both across the surface and into the metal particle); (v) SWNT growth; (vi) termination, by either deactivation of the catalyst active sites or by increase in the carbon concentration at the metal/SWNT interface, approaching that of the metal/gas interface and eliminating the driving force for diffusion. Previous investigations have only explained the growth termination by the former. Here, we emphasize the possible contribution of the later and propose a novel "hindrance factor" to quantify the effect of nanotube interaction with its surroundings on the growth termination. To test the kinetic model and obtain typical values of the physical parameters, experiments have been conducted on a CoMo/SiO2 catalyst in a laboratory flow reactor, in which the rate of carbon deposition was continuously evaluated by the direct measurement of the CO2 evolution as a function of time. The experimental data are fitted very well with model. PMID:19198356

Monzon, A; Lolli, G; Cosma, S; Mohamed, S B; Resasco, D E

2008-11-01

120

Stable Fly Project in Campo Grande, Brazil  

Technology Transfer Automated Retrieval System (TEKTRAN)

Andrew Li, Jerry Hogsette, and Adalberto Pérez de León, all USDA-ARS, and Lane Foil, LSU, are collaborating as consultants on an Embrapa-funded research project for the control of large stable fly populations associated with sugar cane production in Brazil. Our Brazilian counterpart, Dr. Paulo Cança...

121

UNA “MUY OTRA” FORMA DE HACER POLÍTICA EN MÉXICO, LA RESISTENCIA INDÍGENA EN CHIAPAS COMO HISTORIA DEL HACHA  

Microsoft Academic Search

El argumento central de los zapatistas como práctica de lucha es la apropiación de la exclusión. La exclusión es un proceso histórico de dominio hacia los indígenas. A lo largo de 16 años de existencia pública han hecho evidente tal cuestión. El primero de enero de 1994 le dijeron al mundo que a partir de ese momento la exclusión ha

Juquila Araceli González Nolasco

2010-01-01

122

ASPECTOS NUTRICIONAIS E TOXICOLÓGICOS DAS DROGAS VETERINARIAS USADAS COMO PROMOTORAS DO CRESCIMENTO ANIMAL NO ÜLTIMO DECENIO. PERSPECTIVAS FUTURAS  

Microsoft Academic Search

Referência aos principais grupos de compostos farmacologicamente activos usados como promotores do crescimento dos animais destinados ao consumo humano. São referidas as incertezas quanto à sua segurança, as pressões do consumidor, as decisões políticas e as resultantes restrições legislativas no que respeita ao seu uso. O recurso aos agonistas ß-adrenérgicos na última década, a controvérsia das suas acções no organismo

M. Lourdes A. S. Bastos; Margarida A. Ferreira

1996-01-01

123

Provenance studies of the white marble of the cathedral of Como by neutron activation analysis and data reduction  

Microsoft Academic Search

Marble samples from major Italian quarries and from the Como Cathedral were analyzed for their trace element content, which is indicative of their provenance. Ca, Sc, Cr, Mn, Fe, Co, Rb, Sb, Cs, Ba, La, Ce, Sm, Eu, Gd, Ho, Tm, Yb, Lu, Hf, Th and U elements were determined by neutron activation analysis. Results as well as their precision

M. Oddone; S. Meloni; E. Mello

1985-01-01

124

Computational tools for pulverized-coal combustion. Seventh quarterly report, October 1982December 1982. [Combustion model COMO  

Microsoft Academic Search

The combustion model (COMO) consists of a number of relatively independent modules that represent the major processes involved in pulverized-coal combustion. These modules will be continually upgraded over the course of the contract. During the first quarter, detailed life-of-the-project task descriptions were prepared, literature searches were conducted, and process models were selected. In the second quarter, formulation and coding of

W. J. Oberjohn; D. K. Cornelius; W. A. Fiveland

1983-01-01

125

A computa»c~ao numerica como ferramenta para o professor de F¶‡sica do Ensino Medio  

Microsoft Academic Search

A proposta deste trabalhoe apresentar ao professor de F¶‡sica do ensino medio uma forma de empregar recur- sos computacionais para esclarecer e aprofundar conceitos de F¶‡sica que s~ao explorados de forma limitada por n~ao se poder recorrer ao Calculo Diferencial e Integral. O p^endulo simplese usado como prototipo para o trata- mento sugerido. Mostramos que apenas com o aux¶‡lio de

Augusto Cesar; Claudio Gon; Marcus Vinicius; Tovar Costa

126

The mixing aspects of NiMo and CoMo hydrotreating catalysts in ebullated-bed reactors  

Microsoft Academic Search

Recently, the Shuaiba Refinery of Kuwait National Petroleum Company (KNPC) conducted a test run using mixed NiMo\\/CoMo catalysts in one of the H–Oil reactors to verify the specifications of a CoMo catalyst. However, reduced unit performance and unstable operation were experienced. This led to the unit shut-down and process time loss. To search the causes for the different reactor behaviours,

Ezra K. T. Kam; Mohammad H. Al-Mashan; Homoud Al-Azmi

1999-01-01

127

Late Glacial to Holocene environmental variabilities: A new multi-proxy paleolimnological study of sedimentary sequences from Como (northern Italy)  

NASA Astrophysics Data System (ADS)

Lake Como (northern Italy) is the deepest Italian lake, reaching a depth of about 425 m. The lambda-shaped lake expands about 45 km in NE-SW direction. Southwards of the hydrologically closed western branch, two sediment cores of 70 m (S1) and 65 m length (S2) were taken in the year 2005 close to the cathedral of Como (Piazza Verdi). The drilling sites are located in the middle of the Southern Alps, some 300 m from the present-day lakeshore. The cores provide the first detailed Late Glacial to Holocene multi-proxy record for the Lake Como basin. Our research is aimed at investigating the environmental and geological evolution of the Insubria Region. The multi-proxy study of the stratigraphic sequences contain geophysical, geotechnical, sedimentological, paleobotanical, and radiocarbon analyses. They have been performed for core S1 and are still in progress on core S2. With this data the working group focuses on two main issues. The first topic is the reconstruction of the natural and anthropogenic processes controlling the ground subsidence in the Como urban area (e.g., Comerci et al., 2007) and another aim is to reconstruct vegetation and land-use dynamics. In particular, 150 samples of vegetal macroremains have been collected in the palustrine deposits along S1 core, down to 31,00 m. Below this depth (dated 14C 12,496 ± 55 yr BP - 15,050 - 14,250 cal yr BP), the amount of plant macroremains in the sediment drops dramatically. The taxonomic determination was carried out on more than 800 macroremains. They are represented by fragments of wood, leaves, needles, seeds, fruits, mosses and tiny charcoals (Motella, 2009, unpublished PhD Thesis). Picea/Larix, Pinus sp., Juniperus with Betula, found in the deeper levels (30.80 - 30.00 m), are the first arboreal taxa that colonized the shores of Lake Como, and show that the reforestation began in this area about 16,000 years ago. During the early Holocene (25.10 m) Abies alba expanded and further upwards the sequence mixed deciduous forests became important. Preliminary results of palynological analyses for a section of the core S2 (35.04 - 18.12 m), show Late Glacial sediments in the depth of 35.04 - 31.16 m, due to vegetation changes related to natural climatic variability, with an alternation of communities typical of cold (Poaceae, Artemisia, Juniperus, Pinus and Betula) and temperate climates (e.g. Quercus). Later, during the Holocene, forests composed by mostly deciduous broadleaves and Abies alba expanded. During the mid and late Holocene human impact increased and modified vegetation. This is shown by the increase of herbs and heliofilous shrubs (26.51 m), typical of deforested spaces for fields and pastures. Human exploitation of wood is represented for example by the dramatic decline of Abies alba (24.97 m). Finally, the increase of Cerealia (19.39 m) is clearly related to intensified agricultural activities. The results of further paleobotanical and geophysical analyses which are in progress will be presented during the conference. Moreover, geochemical measurements (e.g., XRF) will be performed in future for core S2. Researches realized within the project of Italy-Switzerland Cooperation SITINET "Censimento, valorizzazione e messa in rete di siti geologici e archeologici" (Census, increase of value and computerization of geological and archaeological sites). Interreg IV A "Geo-Archeositi dell'Insubria" (Geo-Archaeosites of Insubria).

Höbig, N.; Martinelli, E.; Motella, S.; Michetti, A. M.; Livio, F.; Tinner, W.; Reicherter, K.; Castelletti, L.

2012-04-01

128

Invertebrados Aquáticos como Bioindicadores  

Microsoft Academic Search

Some aquatic invertebrates can indicate the quality of freshwater ecosystem habitats. Their presence or absence can be interpreted as signals of changes in the environment, or help to diagnose the causes of an environmental problem. Anthropogenic impacts are reducing water quality and freshwater biodiversity. Here, we discuss the value of benthic macroinvertebrates as example of potential ecological indicators in Environmental

Marcos Callisto; José Francisco Gonçalves Jr; Pablo Moreno

129

A ESCRITA COMO \\  

Microsoft Academic Search

The writing if configures as a device of formation and autoformation in the formative space of the superior education. In the research that we have carried through with professors in the carried through initial formation in the space of the university we operate with the writing as a tool that places the implied citizens as \\

Valeska Fortes de Oliveira

130

EL AULA DE CLASE: CONTEXTO PARA LA ELABORACIÓN DE LA IMAGEN  

Microsoft Academic Search

The study is guided specifically to the analysis of the construction of the image in the communication in the classroom The theoretical mark of this study it is based in the proposal on the elaboration of the image of Goffman (1970), and in the system semiótico of the courtesy outlined by Álvarez (2003). two extracted examples of corpus are analyzed

Zully Camacaro

131

AulaNet[TM]--An Environment for the Development and Maintenance of Courses on the Web.  

ERIC Educational Resources Information Center

As yet, there are no specialists in the application of information technology to education and training. However, this is one of the fastest growing areas on the Internet due to the recent perception of the enormous potential for the use of Web resources for this purpose. This has attracted the attention of researchers in industry and the academic…

de Lucena, Carlos J. P.; Fuks, Hugo; Milidiu, Ruy; Macedo, Lucas; Santos, Neide; Laufer, Carlos; Blois, Marcelo; Fontoura, Marcus; Chorena, Ricardo; Crespo, Sergio; Torres, Viviane; Daflon, Leandro; Lukowiecki, Leticia

132

Aula Verde: Art as Experience in Community-Based Environmental Education  

ERIC Educational Resources Information Center

|After winning a class-action lawsuit against unconstitutional prison conditions in Puerto Rico, Marco Abarca managed to direct part of the fine monies accumulated throughout years of litigation toward an investment that would improve the living conditions in one of the largest and poorest housing projects in Puerto Rico. With the participation of…

Abarca, Marco A.

2010-01-01

133

Aula/The Classroom: Approaches to Improving the Reading Skill of the Bilingual Student.  

ERIC Educational Resources Information Center

Once bilingual students have reached an elementary level of reading competence in their second language; a step-by-step procedure can be followed to improve their reading skills through exercises and techniques which develop reading speed, vocabulary, and comprehension. (SB)

Cargill-Power, Carol

1980-01-01

134

COMUNICAÇÃO NÃO-VERBAL EM SALA DE AULA (Non-verbal communication in the classroom)  

Microsoft Academic Search

In this paper we analyze the non-verbal aspects of communication in the classroom. The analysis of these communicative aspects in a chemistry high school classroom was based on data obtained through an ethnographic research. The videotape of the lessons enabled us to analyze aspects such as the occupation of physical space in the classroom; the gesture and physical posture adopted

Flávia Maria Teixeira dos Santos; Eduardo Fleury Mortimer

135

In-situ HRTEM study of the reactive carbide phase of Co/MoS2 catalyst.  

PubMed

Hydrotreatment catalytic operations are commonly performed industrially by layered molybdenum sulfide promoted by cobalt or nickel in order to remove heteroelements (S, N, O) from fossil fuels and biofuels. Indeed, these heteroelements are responsible of the emission of pollutants when these fuels are used in vehicles. In this respect, previous studies made by our research group have shown that the active phase under steady state conditions is partially carbided while strong bending effects of MoS2 slabs were also observed. However, up to now, the morphology of the resulting Co/MoSxCy carbided catalyst has not been fully characterized. In the present study, for the first time, a chemical reaction between the carbon content of a TEM Cu/C grid and a freshly sulfide Co/MoS2 catalyst was in situ observed at 300 °C and 450 °C by HRTEM experimental techniques at ~10 nm of resolution. Results indicate that bending of MoS2 layers occurred due to carbon addition on MoS2 edge sites, as observed in stabilized catalysts after HDS reaction. Using a silicon grid, only cracks of MoS2 slabs were observed without bending effect confirming the role of structural-carbon in this change of morphology. PMID:22925737

Ramos, Manuel; Ferrer, Domingo; Martinez-Soto, Eduan; Lopez-Lippmann, Hugo; Torres, Brenda; Berhault, Gilles; Chianelli, Russell R

2012-07-27

136

O 2 Chemisorption, ESR Spectroscopy, and Hydrodesulfurization Activity on Sulfided CoMo/ Gamma -Al 2 O 3 : Progress Report for July Through September 1984.  

National Technical Information Service (NTIS)

Oxygen chemisorption and electron spin resonance spectroscopy (ESR) have been used to characterize sulfided CoMo/ gamma -Al sub 2 O sub 3 catalysts with different atomic Co/(Co + Mo) ratios ( alpha ). Chemisorption of O sub 2 on sulfided Mo/ gamma -Al sub...

M. Boudart X. H. Kang J. S. Arrieta D. G. Loeffler

1984-01-01

137

A combined X-ray photoelectron and Mossbauer emission spectroscopy study of the state of cobalt in sulfided, supported, and unsupported Co-Mo catalysts  

SciTech Connect

Alumina-supported and unsupported Co-Mo catalysts, as well as Co metal, Co/sub 9/S/sub 8/, and CoMo/sub 2/S/sub 4/ samples, have been studied using X-ray photoelectron spectroscopy (XPS) and Mossbauer emission spectroscopy (MES). The main aim of the study was to examine the feasibility of using XPS to characterize the different Co-containing phases which may be present in sulfided Co-Mo catalysts. The Co phase distributions in the catalyst samples studied by XPS were determined by means of MES. The different cobalt phases observed in the catalysts were Co-Mo-S and Co/sub 9/S/sub 8/, and for the supported catalysts cobalt in the alumina lattice was also observed. Although Co metal, Co/sub 9/S/sub 8/, Co-Mo-S, and CoMo/sub 2/S/sub 4/ are structurally and chemically different and give rise to very different MES spectra, the Co 2p spectra of these compounds are similar. It is shown, however, that by a combination of accurate determinations of binding energy differences and comparisons of peak shapes it is possible to distinguish the different Co phases in the catalysts by XPS. The Co 2p binding energies of Co/sub 9/S/sub 8/ are about 0.5eV smaller than those of Co-Mo-S, and also the Co 2p peak shapes are different. Using XPS, Co/sub 9/S/sub 8/ can only be distinguished from Co metal by a detailed comparison of the Co 2p peak shapes. The close similarity between the Co 2p spectra of Co-Mo-S and CoMosigmaS/sub 4/ suggests that the electronic state of Co in Co-Mo-S is similar to that in CoMo/sub 2/S/sub 4/. However, the MES results show that the two phases are structurally different.

Alstrup, I.; Chorkendorff, I.; Candia, R.; Clausen, B.S.; Topsoe, H.

1982-10-01

138

Conscientização cultural: repercussões na motivação de alunos da escola pública Cultural Awareness and Its Effects on Public School Students' Motivation  

Microsoft Academic Search

RESUMO: A discussão sobre aspectos culturais nas aulas de língua estrangeira tem sido um assunto bastante debatido na área de ensino\\/aprendizagem de línguas. O ensino de cultura é visto como imprescindível por duas razões: 1) possibilita que os alunos desenvolvam a competência comunicativa em língua estrangeira de forma efetiva, a partir do contato com padrões sociolingüístico-culturais da língua- alvo e

Fernanda Costa Ribas

139

Ab initio DFT study of hydrogen dissociation on MoS 2, NiMoS, and CoMoS: mechanism, kinetics, and vibrational frequencies  

Microsoft Academic Search

The present study provides detailed discussions about the structures, relative stabilities, and vibrational frequencies of hydrogen species on MoS2, NiMoS, and CoMoS catalyst edge surfaces. The transition states and activation energies for molecular hydrogen dissociation and surface migration of atomic hydrogen on catalyst edge surfaces have been calculated by complete linear synchronous transit (LST) and quadratic synchronous transit (QST) search

Mingyong Sun; Alan E. Nelson; John Adjaye

2005-01-01

140

Linfoma não-Hodgkin apresentando-se como massa hepática única* Non-Hodgkin's lymphoma presenting as a single liver mass  

Microsoft Academic Search

OBJETIVO: Descrever as principais características de imagem do linfoma não-Hodgkin apresentando-se como massa hepática única. MATERIAIS E MÉTODOS: Realizamos estudo retrospectivo mediante análise de ca- sos de pacientes com massa hepática única aos exames de ultrassonografia, tomografia computadorizada e ressonância magnética, com diagnóstico histológico de linfoma não-Hodgkin. Esses exames foram analisa- dos por dois examinadores em consenso. RESULTADOS: Identificamos três

Mila Correia; Góis Peixoto; Araújo Alves; Peixoto Filho; Alessandra Caivano; Rodrigues Ribeiro; Giuseppe D'Ippolito

2009-01-01

141

Low-cost and high-performance CoMoS4 and NiMoS4 counter electrodes for dye-sensitized solar cells.  

PubMed

Porous chalcogels CoMoS4 and NiMoS4 made by a facile solution reaction displayed good electrocatalytic activity in the redox reaction of the I(-)/I3(-) shuttle. Dye-sensitized solar cells with these ternary compounds as counter electrodes (CEs) showed photovoltaic performance similar to the devices made with noble metal platinum CE (7.46%). PMID:24022304

Zheng, Xiaojia; Guo, Jiahao; Shi, Yantao; Xiong, Fengqiang; Zhang, Wen-Hua; Ma, Tingli; Li, Can

2013-09-24

142

Escuelas de campo y adopción de ecotecnia agrícola  

Microsoft Academic Search

Farmer field Schools and adoption of agricultural ecotechnology. Farmer Field Schools (FFS) are a method of participative extension that allows farmers to develop analytical skills, critical thinking and creativity. This study was conducted in the Mazateca region of Oaxaca, which is characterized by its technological backwardness. It is scientifically, socially and ecologically relevant, in this context, to assess the scope

S. Orozco Cirilo; L. Jiménez Sánchez; N. Estrella Chulím; B. Ramírez Valverde; B. V. Peña Olvera; A. Ramos Sánchez; M. Morales Guerra

2008-01-01

143

D. Ayala J. Campos M. Ferre S. Grau A. Puig  

Microsoft Academic Search

Volume rendering is a very active research field in Computer Graphics be- cause of its wide range of applications in various sciences, from medicine to flow mechanics. In this report, we survey a state-of-the-art on time-varying volume rende ring. We state several basic concepts and then we establish several criteria to c las- sify the studied works: IVR versus DVR,

D. Tost

144

Campos Basin, Marlin and other deep water fields.  

National Technical Information Service (NTIS)

This paper emphasizes the Brazilian deep water production history driven with the usage of floating production systems. The development of the Marlin and other deep water fields as well their features, is presented. Discoveries already made in waters deep...

A. C. Agostini

1996-01-01

145

Offshore Heavy Oil in Campos Basin: The Petrobras Experience  

Microsoft Academic Search

This paper was selected for presentation by an OTC Program Committee following review of information contained in an abstract submitted by the author(s). Contents of the paper, as presented, have not been reviewed by the Offshore Technology Conference and are subject to correction by the author(s). The material, as presented, does not necessarily reflect any position of the Offshore Technology

A. C. Capeleiro Pinto; C. C. M. Branco; J. S. de Matos; P. M. Vieira; S. da Silva Guedes; C. Pedroso Jr; A. C. Decnop Coelho; M. M. Ceciliano

2003-01-01

146

Diseño De Comunidades Emprendedoras, Solidarias Y Democráticas. Trabajo de campo: \\  

Microsoft Academic Search

The design of curriculum in entrepreneurship for youths is a field of work that can respond to its expectations of formation in the basic secondary one and can contribute in the economic development to local scale. It is proposed that learning in entrepreneurship should go beyond the traditional class and the ap- proximations al business plan format. A revision of

W. A. Flórez

147

Agrícola Ebro's tender offer for Campos Chilenos to control Iansa  

Microsoft Academic Search

Purpose – The purpose of this paper is to describe the wealth expropriation from minority to majority shareholders due to the lack of legislation protecting the interests of minority shareholders in an acquisition deal, validating the claims made on studies made by Zingales and by La Porta et al. Design\\/methodology\\/approach – Despite an overall takeover premium of nearly 250 percent,

Franco Parisi; Lance Nail; Vito Sciaraffia

2009-01-01

148

XAS Study at Mo and Co K-Edges of the Sulfidation of a CoMo / Al2O3 Hydrotreating Catalyst  

SciTech Connect

Because of its impact on environment, the removal of sulfur is an indispensable step, called hydrotreatment, in the refining of petroleum. One of the most commonly used hydrotreating catalysts is CoMo-type catalyst which is composed of molybdenum disulfide slabs promoted by cobalt atoms (CoMoS phase) and well dispersed on a high specific area alumina. As far as the highest sulfur content allowed in gasoline and diesel is continually decreasing, more and more efficient and active hydrotreating catalysts are required. In order to optimize the reactivity of the CoMo-type catalyst in hydrotreatment, a better understanding of the processes used to produce the active phase (CoMoS slabs) of the catalyst is necessary. The study reported here deals with the sulfiding mechanism of the slabs and the influence of temperature on the phenomenon. Ex situ X-ray absorption spectroscopy (XANES and EXAFS) was used to study the evolution of the structure of CoMo-type catalyst sulfided at various temperatures (from 293 to 873 K). XAS analysis was performed at both molybdenum and cobalt K-edges to obtain a cross-characterization of the sulfidation of the slabs. It evidenced the formation of various compounds, including two molybdenum oxides, MoS3 (or MoS3-like compound) and Co9S8, at specific steps of the sulfiding process. It showed the role of intermediate played by MoS3 (or MoS3-like compound) during the formation of the slabs and the competition between the appearance of promoted slabs (CoMoS phase) and Co9S8. At last, it leaded to the proposal of a mechanism for the sulfidation of the catalyst.

Pichon, C.; Gandubert, A. D.; Legens, C. [IFP-Lyon, Physics and Analysis Division, Materials Characterization Department, BP3, 69390 Vernaison (France); Guillaume, D. [IFP-Lyon, Catalysis and Separation Division, Heterogeneous Catalysis Department, BP3, 69390 Vernaison (France)

2007-02-02

149

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

150

El hombre como cazador sexual  

Microsoft Academic Search

In all men there are two realities: a “primitive” side, determined by ancestral genes that have not had sufficient time to adjust to the current situation and a “civilized” side, resulting from education and culture. Understanding this psychobiologic reality helps to understand many aspects of male sexual behavior. Reproductive capacity over the lifespan, as well as a physiology that allows

José M. Pomerol Monseny

2007-01-01

151

COMENTARIOS SOBRE LA SATURACIÓN VISUAL: la paradoja de la mayoría  

Microsoft Academic Search

O turismo, diferente de outras áreas, constitui-se de um ramo de atividades executadas por pessoas que, em determinadas situações, tornam-se turistas. Como a área de estudo, o turismo é recente e vem sendo matéria de pesquisa em diversos campos com mais tradição como a sociologia, a economia, a geografia, a psicologia, dentre outras. Principalmente pelo fato de ser um campo

Maximiliano Korstanje

2008-01-01

152

Novel Au/La2O3 and Au/La2O2SO4 catalysts for the water-gas shift reaction prepared via an anion adsorption method.  

PubMed

An anion-adsorption technique in which [Au(OH)(4)](-) is preferentially adsorbed onto La(2)O(3) and La(2)O(2)SO(4) surfaces is used to prepare two catalysts active for the low-temperature water-gas shift reaction. PMID:22498919

Lessard, Joseph D; Valsamakis, Ioannis; Flytzani-Stephanopoulos, Maria

2012-04-12

153

La economía social como enfoque metodológico, como objeto de estudio y como disciplina científica  

Microsoft Academic Search

This article continues an article written by the same author and published by CIRIEC-España in 1997 (no. 25). It analyses social economy at three cognitive levels: first, as a social reality (Social Economy); second, as a scientific discipline which studies its previous reality (the science of Social Economy); third, as a methodological approach in social sciences (the approach of Social

Rafael Chaves

1999-01-01

154

De Lope de Vega a Sven Svensson: un taller de teatro en el aula de E\\/LE  

Microsoft Academic Search

1. Introducción: objetivos El objetivo de este seminario es introducir el mundo del teatro -desde diferen- tes perspectivas- en la enseñanza del español a extranjeros. Este género es habi- tualmente considerado el patito feo en la didáctica de las segundas lenguas, ya que los enseñantes han mostrado, en general, mayor predilección por el cuento, la novela e incluso la poesía

Gaspar J. Cuesta

155

Thermal effects on Co/Mo2C multilayer mirrors studied by soft x-ray standing wave enhanced photoemission spectroscopy  

NASA Astrophysics Data System (ADS)

Here is presented the spectroscopic study of the evolution of the first buried interfaces of a B4C capped Co/Mo2C multilayer mirror induced by thermal treatment up to 600°C. This kind of study is typically performed to simulate the response of multilayer optics working in extreme conditions, as for instance when irradiated by new high brilliance sources as Free Electron Lasers. In fact, the efficiency of multilayers is related to the optical contrast between the alternating high and low density layers, and then to the degree of interdiffusion and the creation or evolution of interface compounds. The analysis has been performed at the Co L23 edge with different soft x-ray spectroscopic techniques including diffuse and specular reflectivity, total electron and fluorescent yield at the BEAR beamline at Elettra (Trieste) (http://www.elettra.trieste.it/elettra-beamlines/bear.html). The presentation is focused on the spectroscopic results obtained by soft x-ray standing wave enhanced photoemission (XSW) from the Mo 3d, B 1s, C 1s, O 1s core levels by using a photon energy close to the Co L23 edge and corresponding to the first Bragg peak of the multilayer. The experimental results have been compared with simulations to obtain information both on the chemical state (e.g. oxidation state) and interface morphology in terms of profiles of distribution of elements and interdiffusion of B, oxidized B and C in the interface region. In summary, it is possible to conclude in favour of a good stability of the multilayer in the investigated temperature range, as confirmed by the good performance in terms of reflectivity. These results confirm the usefulness of XSW for this kind analysis of multilayer optics.

Giglia, A.; Mukherjee, S.; Mahne, N.; Nannarone, S.; Jonnard, P.; Le Guen, K.; Yuan, Y.-Y.; André, J.-M.; Wang, Z.-S.; Li, H.-C.; Zhu, J.-T.

2013-05-01

156

Coaching como herramienta de liderazgo para el desarrollo de equipos de alto desempeño en el área de ventas (Coaching like tool of leadership for the development of teams of high acting in the area of sales)  

Microsoft Academic Search

Resumen. El presente artículo busca vincular el coaching como herramienta de liderazgo para el desarrollo de equipos de alto desempeño en el área de ventas. Para cumplir con este propósito se realizó una revisión de bibliografía y documentos publicados en la web sobre a esta temática, que permitieron definir conceptualmente su relación con el coaching y los distintos estilos de

Fidel Moreno

2009-01-01

157

INVESTIGAÇÕES EM SISTEMAS DE SERVIÇOS DE SAÚDE COMO FERRAMENTA PARA O ALCANCE DE PROGRAMAS DE CONTROLE DA HANSENÍASE MAIS EFETIVOS NO B RASIL* Health systems research training as a tool for more effective Hansen's disease control programmes in Brazil  

Microsoft Academic Search

RESUMO No Brasil, a hanseníase permanece como um importante problema de saúde pública. Embora um grande progresso tenha sido obtido nos Programas de Controle da Hanseníase (PCH), em todos os níveis do governo nos últimos 20 anos, algumas ações não foram potencializadas. O motivo: lacunas de informação relacionadas a áreas específicas da doença, exacerbadas pela ausência de instrumentos apropriados para

Alberto Novaes Ramos Jr; Jorg Heukelbach; Marcia Gomide; Pieter A. M. Schreuder

158

La mosca blanca Bemisia tabaci (Gennadius) como plaga y vectora de virus en fríjol común (Phaseolus vulgaris L.) The whitefly Bemisia tabaci (Gennadius) as pest and vector of plant viruses of common bean (Phaseolus vulgaris L.)  

Microsoft Academic Search

2 Resumen. La mosca blanca Bemisia tabaci es una de las plagas más ampliamente distribuidas en regiones tropicales y subtropicales del mundo donde afecta más de 600 especies de plantas cultiva- das y silvestres. Los daños que causa se deben a diversos efectos del insecto en las plantas atacadas, como el debilitamiento de la planta por la extracción de nutrientes;

MARÍA ELENA CUÉLLAR; FRANCISCO J. MORALES

2006-01-01

159

Difusión de resultados iniciales del Estudio del Tamoxifeno y del Raloxifeno (STAR): el fármaco para el tratamiento de la osteoporosis, raloxifeno, es tan efectivo como el Tamoxifeno en la prevención de cáncer de seno invasor  

Cancer.gov

Los resultados iniciales del Estudio del Tamoxifeno y del Raloxifeno, STAR, demuestran que el fármaco raloxifeno, actualmente utilizado para prevenir y tratar la osteoporosis en mujeres posmenopáusicas, funciona tan bien como el tamoxifeno para reducir el riesgo de cáncer de seno entre las mujeres posmenopáusicas que tienen riesgo elevado de padecer la enfermedad. Preguntas y respuestas

160

Single-molecule magnet based on a C-type polyoxomolybdate with an S = 11 ground state: [Fe5CoMo22As2O85(H2O)]15-.  

PubMed

A C-type polyoxomolybdate containing a mixed-transition metal cluster Fe(5)Co has been prepared as an ammonium salt, (NH(4))(15)[Fe(5)CoMo(22)As(2)O(85)(H(2)O)]·15H(2)O (1). Interestingly, the magnetism measurements show that the compound exhibits not only an overall ferromagnetic cluster with a large spin ground state of S = 11 but also the behavior of single-molecule magnets. PMID:23135131

Zhen, Yanzhong; Liu, Bin; Li, Lili; Wang, Danjun; Ma, Ying; Hu, Huaiming; Gao, Shengli; Xue, Ganglin

2013-01-01

161

The effect of boron addition on the hydrodesulfurization activity of MoS 2\\/Al 2O 3 and Co–MoS 2\\/Al 2O 3 catalysts  

Microsoft Academic Search

The effect of boron addition was studied on the hydrodesulfurization (HDS) of thiophene over MoS2\\/B\\/Al2O3 and Co–MoS2\\/B\\/Al2O3 (CVD-Co\\/MoS2\\/B\\/Al2O3), which was prepared by a CVD technique using Co(CO)3NO as a precursor of Co. The catalysts were characterized by means of NO adsorption and TEM. The HDS activity of MoS2\\/B\\/Al2O3 catalysts kept constant up to a boron content of about 0.6 wt%

Usman; Takeshi Kubota; Yasuhiro Araki; Katsuaki Ishida; Yasuaki Okamoto

2004-01-01

162

CUIDADOS CRÍTICOS: LA COMUNICACIÓN COMO TERAPIA IMPRESCINDIBLE  

Microsoft Academic Search

Good interpersonal communication impro- ves and facilitates human relationships, gran- ting effectiveness, but the practice of modern Medicine does not consider it as a priority. Critical Care Units are not an exception. Although care is taken effi ciently against ill- ness, the patients and their families are not always satisfi ed with communication between them and caregivers and, at the

Clara Llubiá

2008-01-01

163

Un Segundo Idioma en el Aula: Nos Estamos Perdiendo una Oportunidad? = A Second Language in the Classroom: Are We Missing the Boat?  

ERIC Educational Resources Information Center

|In recent years there has been greater emphasis placed on second language acquisition in schools. To be prepared for life in the 21st century, to function within an increasingly interdependent world society, to be free from the petty biases that hinder understanding and from the larger hatreds that lead to confrontation, children will need to…

Selman, Ruth Corey

2007-01-01

164

DISCUTINDO CONTROVÉRSIAS CIENTÍFICAS EM SALA DE AULA SOB O ENFOQUE CIÊNCIA , TECNOLOGIA , SOCIEDADE E AMBIENTE DISCUSSING SCIENTIFIC CONTROVERSIES IN THE CLASSROOM UNDER SCIENCE , TECHNOLOGY , SOCIETY AND ENVIRONMENT APROACH  

Microsoft Academic Search

This article presents a parcial result of a revision of works that have scientific controversies as object of study. As we have the intention of pointing ways for inserting scientific controversies in science classes, we have analized science and technology sociological studies (which describe the influences of society in science controversies as well as the influences of scientific activities in

MARIANA B. RAMOS; HENRIQUE CÉSAR DA SILVA

165

O TEMPO GEOLÓGICO NAS AULAS DE HISTÓRIA - UMA EXPERIÊNCIA NO ENSINO FUNDAMENTAL THE GEOLOGICAL TIME IN THE CLASSES OF HISTORY - AN EXPERIENCE IN THE FUNDAMENTAL TEACHING  

Microsoft Academic Search

This paper presents a synthesis of a case study developed with students of a public school of 5th level of the funda- mental education in the discipline of History, in that, the teacher, also acting as researcher, observes and interprets, by means of transcriptions of class-debates, the construction of the concept of time - a key-concept extremely important in the

ANDRÉ BETTI; YARA KULAIF

166

AS RELAÇÕES ENTRE AS MEDIDAS DE HABILIDADES SOCIAIS DO PROFESSOR DO ENSINO FUNDAMENTAL II E SEU DESEMPENHO SOCIAL EM SALA DE AULA  

Microsoft Academic Search

The actual concept of a social skilled behavior should include the ability of the individual to obtain self-satisfaction and, at the same time, to develop and keep mutual beneficial and sustainable relationships. In the educational field, a growing worry of parents, school principals and teachers is identified related to the interpersonal development of their students in order to reduce conflicts,

REGINA MARIA MEIRELES-FSMA

167

Evaluación en condiciones de campo de la vacuna inactivada de Anaplasma marginale denominada Plazvax  

Microsoft Academic Search

In order to determine the effectiveness of the Plazvax vaccine against bovine anaplasmosis, 32 susceptible bovines were used. A group of 24 animals was immunized against the rickettsia by inoculating them subcutaneously with 1 ml of the vaccine in two occasions, 21 days apart. Eight bovines remained as the control group and were not vaccinated. One month after the second

Julio Vicente; Figueroa Millan; Edmundo Enrique; Rojas Ramírez; Juan Alberto Ramos Aragón; Gabriela Granjeno Colín; Miguel Angel García Ortíz; Germinal Jorge; Canto Alarcón; Carlos Santiago Valencia; Fernando Parrodi

168

Su inversioni del campo elettrico terrestre a cielo sereno e una loro possibile spiegazione  

Microsoft Academic Search

\\u000a Sunto  Viene descritto un andamento anomalo del gradiente di Potenziale al Col d’Olen sul Monte Rosa durante una giornata che, dalle\\u000a condizioni atmosferiche, si poteva giudicare del tutto normale.\\u000a \\u000a Del fenomeno si dà una spiegazione plausibile dimostrando corne sia possibile la formazione di cariche spaziali solo che a\\u000a una certa distanza dalla stazione si trovino nubi o semplici strati di nebbia

G. Aliverti; M. C. Montù

1931-01-01

169

EFEITO RESIDUAL DO CALCÁRIO, NITROGÊNIO E ZINCO NA QUALIDADE DA Brachiária decumbens EM CONDIÇÕES DE CAMPO  

Microsoft Academic Search

The present work, Brachiária decumbens Stapf., to the application of lime, nitrogen and zinc in the quality of dry matter to evaluate residual the reply of the during four cuts. For this, an experiment was installed in the UNESP\\/FEIS, Selvíria-MS, a distrofic Red Latosol (october\\/1996 may\\/1997). The experimental design was blocks randomized, in factorial project 3x3x2, with 4 repetitions. The

Massaru Kawatoko; Francisco Maximino Fernandes; Renato Mello Prado; Olair José Isepon

170

Produccion y Uso de Gliricidia: Manual de Campo (Gliricidia Production and Use).  

National Technical Information Service (NTIS)

Winrock International and the Nitrogen Fixing Tree Association (NFTA) have published NFTA's popular field manual Gliricidia Production and Use (Produccion y Uso de Gliricidia) in Spanish. Gliricidia is a versatile, fast-growing nitrogen fixing tropical tr...

J. Brewbaker P. Cheeke N. Glover C. Hughes D. Kass M. Kass B. Seibert J. Stewart J. Sumberg F. Wiersum

1989-01-01

171

Velamo do campo: its volatile constituents, secretory elements, and biological activity.  

PubMed

The volatile components from Croton campestris root bark were localized by an anatomical study and analyzed by gas chromatography-mass spectrometry for the first time. The roots of this plant showed secretory cells. These volatile constituents, isolated from the dichloromethane extract by hydrodistillation, were analyzed by gas chromatography-mass spectrometry. We found 69 components. They were characterized, and the major constituents of crude oil root barks were spathulenol (23.3%) and borneol (18.7%). Growth inhibitory activity of the active compounds in solution was evaluated by measuring minimal inhibitory concentrations using a broth micromethod. The minimal inhibitory concentration of root bark volatile constituents was 1.56 ?g/mL for Staphylococcus aureus, 3.125 ?g/mL for Candida albicans, and 6.25 ?g/mL for Aspergillusniger. PMID:22612296

El Babili, Fatiha; Roques, Christine; Haddioui, Laila; Bellvert, Floriant; Bertrand, Cédric; Chatelain, Christian

2012-05-21

172

Notarios y agricultores: Crecimiento y atraso en el campo mexicano, 1780–1920  

Microsoft Academic Search

In 1909, with Mexico on the verge of revolution, a public notary from the central-plateau town of Jilotepec published a book that would deeply influence the tenor and tone of national resource policy in the twentieth century. Andres Molina Enriquez's Los Grandes Problemas Nacionales set forth a scathing critique of the hacienda system, faulting its feudalistic tendencies, venal landlords, and

Jeff M. Banister

2009-01-01

173

Potencial de los caldos rizósfera y súper cuatro como biofertilizantes para la sostenibilidad del cultivo de cebolla de bulbo (Allium cepa) Potential of the rhizosphere and super four broths as biofertilizers for the sustainability of the onion bulb (Allium cepa) culture  

Microsoft Academic Search

El objetivo de esta investigación fue evaluar el potencial de los caldos rizósfera y súper cuatro como biofertilizantes para la sostenibilidad del cultivo de cebolla de bulbo. Los caldos se analizaron química y microbiológicamente y se aplicaron a materas, en concentración del 10% a los 20, 40 y 60 días del trasplante. El diseño experimental fue completamente al azar con

Silvio E. Viteri; Marcela Granados; Ana Rosa González

2008-01-01

174

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

175

Pedagogia del cos simbòlic. El cos com a valor emergent entre els joves  

Microsoft Academic Search

El artículo aborda desde una perspectiva socio-antropológica el cuerpo humano. Los cambios paradigmáticos sucedidos en disciplinas artísticas así como en el campo de las humanidades permiten una lectura simbólica del cuerpo humano. Es justamente esta dimensión simbólica que nos permite presentarlo como un valor emergente en las identidades de los jóvenes; identidades que pasan por transformar el cuerpo a través

Jordi Planella Ribera

2003-01-01

176

Abundancias químicas, campo magnético y composición isotópica en estrellas CP del grupo HgMn. I. HD 144206  

Microsoft Academic Search

Fine analyses of the HgMn CP star HD 144206 is presented using ATLAS9 model atmospheres which have the same bulk metallicity as the deduced abundances, and observational material of high resolution taken with the Telescopio Nazionale Galileo Galilei.

Z. López García; S. Malaroda; E. P. González; R. Tapia Vega; F. Leone

2003-01-01

177

Riesgo laboral y residencial por exposición a campos electromagnéticos Labour and residential risk due to electromagnetic fields exposition  

Microsoft Academic Search

In the recent years, there has been an increment of ex- position to electromagnetic fields (EMF), specially residen- tial and labour exposure. Some scientist allege that exposure to electric and mag- netic fields generated mainly by electric power delivery sys- tems is responsible for health problems as reproductive dys- function, birth defects, neurological disorders and cancer. This article provides a

M. Física; Pastor Vega

178

Interactions between benthic macroinvertebrates and fishes in a low order stream in Campos de Cima da Serra, RS, Brazil.  

PubMed

Benthic macroinvertebrates constitute the link between organic matter input in streams and fishes. However, the possibility of influence of predators on the invertebrates is still a controversial issue. The possibility of alteration of the benthic community by the modification in predation in a stream in the South of Brazil was studied by means of an exclusion experiment under semi-natural conditions. The exclusion showed an increase in the abundance of Plecoptera in the river where the rainbow trout was introduced, the larvae of Trichoptera also increased in abundance in the units of fish exclusion. This difference does not confirm the pressure applied by the trout on the benthic macro fauna due to differences in ichthyofauna and in the habitat of both rivers. Nevertheless, it points to the need for the development of studies concerning the trophic relations and the possible effects of this introduction in the aquatic biota. PMID:19197486

Winckler-Sosinski, L T; Silveira, T C L; Schulz, U H; Schwarzbold, A

2008-11-01

179

Hot spot volcanic tracks and their implications for south American plate motion, Campos basin (Rio de Janeiro state), Brazil  

Microsoft Academic Search

The spatial and temporal arrangement of volcanism produced by hot spots potentially can reveal the history of lithosphere plate drift. From the age of these igneous bodies, it is possible to estimate not only the drift speed of plates but also the timing of eventual route changes. This article concentrates on the apparent link between both the Poços de Caldas–Cabo

Antonio Thomaz Filho; Pedro de Cesero; Ana Maria Mizusaki; Joana Gisbert Leão

2005-01-01

180

Hot spot volcanic tracks and their implications for south American plate motion, Campos basin (Rio de Janeiro state), Brazil  

Microsoft Academic Search

The spatial and temporal arrangement of volcanism produced by hot spots potentially can reveal the history of lithosphere plate drift. From the age of these igneous bodies, it is possible to estimate not only the drift speed of plates but also the timing of eventual route changes. This article concentrates on the apparent link between both the Poços de Caldas

Antonio Thomaz Filho; Pedro De Cesero; Ana Maria Mizusaki; Joana Gisbert Leão

2005-01-01

181

78 FR 2423 - Draft Environmental Impact Statement (DEIS) for the Proposed Shu'luuk Wind Project on the Campo...  

Federal Register 2010, 2011, 2012, 2013

...alternative that may include some solar energy generation. The approval...Reservation from the project collector substation to a San Diego...combination with up to 40 1-MW solar photovoltaic (PV) panels (totaling 40 MW from solar). Each turbine would...

2013-01-11

182

Simulação de Escoamentos de Fumaça ou Gás em Grandes Ambientes com Obstáculos sob a Ação de Campos de Ventos  

Microsoft Academic Search

In this work, a computational model is proposed to simulation the large-scale smoke or gas flow in great environments in real time for given obstacle configuration and wind fields. These, modify the natural isotropic diffusion of the gases or smoke flow, dominating directionally its propagation. Moreover, the winds interaction with the obstacles may cause strong diffusion due to turbulent movements,

Katia Hardt; João Goedert; Luiz Paulo; Luna de Oliveira

183

Biological activities of ENEA in Emilia-Romagna region. (Attivita' in campo biologico dell'ENEA in Emilia-Romagna).  

National Technical Information Service (NTIS)

This report deals with the activities in the biologic field of the ENEA in the Emilia-Romagna region with some original papers of the Environmental Department researchers. These topics are treated: sewage purification and treatment; primary productivity i...

A. Andreotti G. Bortone S. Bruni M. Calamosca R. D'Orazi

1995-01-01

184

UM PROCEDIMENTO PARA SELEÇÃO DE ESTRATÉGIAS DE PRODUÇÃO E INJEÇÃO DE UM CAMPO EM DESENVOLVIMENTO, LEVANDO EM CONSIDERAÇÃO INCERTEZAS GEOLÓGICAS  

Microsoft Academic Search

The optimization of the hydrocarbon's explotation in a field development project may be very complex, due to the uncertainties on the reservoir characterization. Different strategies may present great variations on fluid production (oil, water and gas) and on the costs and profits related to the explotation. A procedure to select strategies must consider the possibilities, compare them and choose the

Cristina C. Mezzomo; Álvaro F. Martini; Denis J. Schiozer

185

Evaluation on the effectiveness of actions for controlling infestation by rodents in Campo Limpo region, Sao Paulo Municipality, Brazil.  

PubMed

Rodents are responsible for the transmission of more than 60 diseases both to human beings and to domestic animals. The increase in rodent infestation in a given area brings several health problems to the nearby population. Thus, when infestation increases, it is time to take intervention measures. Although many countries have implemented programs aimed at controlling rodent infestation, literature on studies evaluating the effectiveness of intervention measures in urban areas is scarce. Aimed at contributing to the understanding of rodents' population dynamics in urban areas, the objective of this study was to evaluate the effectiveness of the control methods proposed by "Programa de Vigilancia e Controle de Roedores do Municipio de Sao Paulo" (Program for Rodents Surveillance and Control in Sao Paulo Municipality), conducted on Jardim Comercial District. As a first step, a survey to assess infestation rates was conducted in 1529 dwellings located in the area studied. After that, a chemical control upon rodents was accomplished in every dwelling infested. One week and six months after completion of control measures, a new evaluation on infestation rates was carried out, in order to verify the effectiveness of the procedures taken and to estimate the re-infestation capacity. Initial infestation rate was 40.0%, and the final infestation rate, 14.4%. Therefore, the effectiveness of the control methods utilized was 63.8%. It can thus be concluded that the control methods applied were quite effective. PMID:20183196

de Masi, Eduardo; Vilaça, Pedro José; Razzolini, Maria Tereza Pepe

2009-08-01

186

78 FR 37789 - Juan Narcizo Oyervides-Campos, Inmate Number #86526-279, Correctional Institution Reeves I & II...  

Federal Register 2010, 2011, 2012, 2013

...exported and attempting to export and attempting to cause to be exported from the United States to Mexico thirteen semiautomatic rifles, which were designated as defense articles on the United States Munitions List, without having first obtained from the...

2013-06-24

187

Cojera como forma de debut de un linfoma Burkitt  

Microsoft Academic Search

Musculoskeletal pain is a frequent complaint in pediatrics usually related to benign conditions. However, it may also represent the initial symptom of serious diseases such as infections, malignancies or orthopedic emergencies.We present the case of a child diagnosed with Burkitt's lymphoma whose initial presentation was a limp. This is, to the best of our knowledge, the first case reported in

Marta Barrios López; Rocío Casado Picón; Jaime de Inocencio Arocena; José Luis Vivanco Martínez

2011-01-01

188

Crítica literária e sociedade: como representa o texto literário?  

Microsoft Academic Search

This article discusses, from a theoretical point of view, the paradoxical relationship between literature and society. On the one hand, it criticizes a reading of literature with a sociologizing bias disseminated by the culturalist critique, but tries to retrieve positive aspects mentioned by authors such as Mignolo, Moreiras, Polar and Bhabba. On the other hand, it proposes a reading of

Juan Pablo Chiappara

2006-01-01

189

Depósitos de Tsunami como indicadores de riesgo: evidencias sedimentarias1  

Microsoft Academic Search

The article presents the main keys that have been used for the tsunami deposits study, like evidences to determine: i) phenomenon intensity, ii) frequency, and iii) inundation levels reached by the waves. This is crucial information in the risk management for this kind of natural threat. The highly energetic character of tsunami leaves geomorphologics and sedimentary records clearly identifi able

190

Los indicadores de insustentabilidad urbana como indicadores de conflicto social  

Microsoft Academic Search

Las ciudades son ecológicamente insostenibles. Sus «huellas ecológicas» son muchos mayores que sus propios límites administrativos. Las ciudades procesan unas grandes cantidades de materiales y energía y excretan residuos de distintos tipos. Sin embargo, este artículo se pregunta de manera optimista si acaso no son las ciudades los lugares donde se producen las innovaciones tecnológicas ecoeficientes. Se pregunta también si

Joan Martínez Alier

2002-01-01

191

Custo de bombas centrífugas funcionando como turbinas em microcentrais hidrelétricas  

Microsoft Academic Search

RESUMO: A implantação de microcentrais hidrelétricas é uma das alternativas para suprir com energia comunidades pequenas e isoladas, situadas normalmente na área rural. O aproveitamento de potenciais hidráulicos de pequeno porte é uma alternativa cada vez mais viável devido não só à falta de recursos financeiros para os grandes empreendimentos, mas também pelo imenso potencial de geração em centrais de

Carlos R. Balarim; Luiz A. Targa; Jorim S. Virgens Filho; Alceu G. Andrade Filho; Giovana K. Wiecheteck

2004-01-01

192

Como Planear Mi Vida = Make a Life for Yourself.  

ERIC Educational Resources Information Center

This booklet for teenagers about life planning is presented in parallel English and Spanish versions with a special focus on young Hispanics growing up in America. It discusses hopes and dreams that adolescents may have and gives tips for reaching goals. A sentence completion exercise is included to help readers set goals. Four important goals for…

Haffner, Debra; Casey, Sean

193

Make a Life for Yourself = Como Planear Mi Vida.  

ERIC Educational Resources Information Center

This booklet was devised to help Hispanic teenagers develop a life plan. It provides information for making decisions, and is written in both English and Spanish. Tips are provided for setting goals. A sentence-completion task helps the teenager focus on specific issues, and use concrete language when talking about the goals. Specific goals are…

Center for Population Options, Washington, DC.

194

Como Organizar una Cooperativa (How to Organize a Cooperative).  

National Technical Information Service (NTIS)

Four pamphlets explain co-ops in general, co-ops as businesses, how co-ops succeed and how to form a co-op. Co-ops in the American Private Enterprise System compares co-ops with other businesses. The Business Co-op explains how a co-op can function as a p...

1971-01-01

195

GEOIDEA - Geotecnologia como instrumento da inclusão digital e educação ambiental  

Microsoft Academic Search

GEOIDEA1 Project (Geo-technology as Instrument of Digital Inclusion and Environmental Education) aims to develop and apply a methodology focused on students digital inclusion through the use of Geographical Information System, in particular, in Geography classes. This work has generated, in digital environment, the means for teaching and learning subjects related to mapping, space technology, environment, for example, themes like watersheds,

Angelica Carvalho Di Maio

196

UM TERRITÓRIO A SER DEFENDIDO: CORPOS, GÊNERO E DITADURAS  

Microsoft Academic Search

Resumo: Pensar as ditaduras militares nos países do hoje denominado Cone Sul nos remete a relatos sobre manifestações, sequestros, prisões, torturas e mortes. Ao observar a atuação de mulheres e as relações de gênero que perpassam essas décadas, podemos ver seus corpos como campos simbólicos dentro da resistência, armada ou não; ambiguamente, eles representam também territórios a se defender. Partindo

Ana Maria Veiga

197

A Rede Interartística Música-Cinema-Arte Seqüencial- Literatura em The Adventures of Lucky Pierre  

Microsoft Academic Search

RESUMO : Este trabalho examina o romance hiperficcional The Adven- tures of Lucky Pierre, de Robert Coover, como território interartístico no qual a escala musical serve de ponto de partida\\/fuga para o entrecruza- mento de linguagens, convenções e materialidades de outros campos ar- tísticos. Entre eles, o cinema, a arte seqüencial dos quadrinhos e a lite- ratura. A série de

Isabella Vieira de Bem

198

Orígen del deterioro del medio ambiente en Taiwan: Desajuste entre el modelo de desarrollo y la dotación de recursos naturales  

Microsoft Academic Search

De igual modo que el análisis de los llamados nuevos países industriales asiáticos (NPIAs) abre interesantes matices en el campo de las teorías del desarrollo, poniendo en duda la capacidad explicativa de los enfoques tanto dependentista como neoclásico, el estudio del medio ambiente en esos países aporta visiones nuevas y enriquecidas en lo referente a sus modelos de desarrollo. En

Antonio Rodríguez Carmona

1994-01-01

199

VALORACIÓN DE BIENES PÚBLICOS EN RELACIÓN AL PATRIMONIO HISTÓRICO CULTURAL: APLICACIÓN COMPARADA DE MÉTODOS ESTADÍSTICOS DE ESTIMACIÓN  

Microsoft Academic Search

La valoración de bienes no mercado constituye un campo de estudio cada vez más extendido en el análisis económico, tanto en aportaciones teóricas, como en aplicaciones empíricas, con una tradición consolidada en el ámbito de los recursos naturales, aunque existen incursiones cada vez más frecuentes entre los elementos pertenecientes al patrimonio cultural. El procedimiento de cuantificación habitualmente utilizado es el

Luis César Herrero Prieto; José Ángel Sanz Lara; Ana María Bedate Centeno

200

RESEÑA AL TEXTO ITINERARIOS INTERCULTURALES  

Microsoft Academic Search

La palabra viaje se compone de dos términos derivados del latín, vía que significa camino y cum que hace referencia a “contigo”. A diferencia de la peregrinación que significa “ir por el campo, del latín per agrere”, el viaje tiene como significación una especie de “acompañamiento”. Ello no supone, que viajar sea desplazarse acompañado necesariamente, sino por el contrario, que

Maximiliano E. Korstanje

2009-01-01

201

Identidad étnica y redes personales entre jóvenes de Sarajevo  

Microsoft Academic Search

Después de un trabajo de campo realizado con algunos jóvenes en Sarajevo, hemos encontrado una relación entre los discursos que sostienen y las categorías que utilizan tanto para clasificar a las personas como para auto-identificarse. Asimismo hemos observado que la gente que se autodenomina \\

Claudia Aguilar; José Luis Molina

202

Da história da arte para as mídias  

Microsoft Academic Search

Numa leitura semiótica, o texto apresenta referenciais teóricos da história da arte que podem servir como elementos de reflexão sobre os aspectos criativos do design gráfico em ilustrações jornalísticas ou anúncios publicitários. Objetiva estabelecer conexões entre os princípios discutidos no campo artístico e as características das produções midiáticas, o que foi assunto da tese de doutorado do autor. Palavras-chave: história

História da Arte

203

Jogo e brinquedo: reflexões a partir da teoria crítica  

Microsoft Academic Search

RESUMO: Este artigo de revisão bibliográfica tem como objetivo contribuir com a reflexão acerca do jogo e do brinquedo no campo da educação e busca, principalmente nos autores da Teoria Crítica, seus principais interlocutores, os subsídios necessários. Apresenta um pouco da história de alguns brinquedos e das relações do jogo com festas e rituais. Discute as mudanças que ocorreram em

Gildo Volpato

2002-01-01

204

Entrenamiento en habilidades sociales: un método de enseñanza- aprendizaje para desarrollar las habilidades de comunicación interpersonal en el área de enfermería  

Microsoft Academic Search

Constituye el presente estudio una experiencia sobre la validez del entrenamiento en habilidades so - ciales en el área de la atención a pacientes en el campo de la enfermería. El estudio se ha realizado con un procedimiento experimental en el que se han utilizado dos grupos de alumnos de enfermería, uno de ellos figuraba como grupo control. Ambos grupos

Manuel Marín Sánchez; José M; León Rubio

205

CONSTRUÇÃO DE ESTRATÉGIAS PEDAGÓGICAS EM CIÊNCIA- TECNOLOGIA-SOCIEDADE (CTS) PARA A FORMAÇÃO DE PROFESSORES: A ENERGIA ELÉTRICA NA SALA DE AULA CONSTRUCTION OF PEDAGOGICAL STRATEGIES IN SCIENCE TECNOLOGY SOCIETY (STS) TO TEACHERS ' DEVELOPMENT: THE ELECTRIC ENERGY INTO CLASS  

Microsoft Academic Search

The The present work deals with the participation of a group of five Physics teachers within a public school system in Rio de Janeiro, during a process of collective construction of strategies to deal with the theme of \\

Roberto da Rocha Bernardo; Deise Miranda Vianna

206

ARTIGO ORIGINAL RESPOSTA DA FREQÜÊNCIA CARDÍACA E LACTATO SANGÜÍNEO DURANTE AULAS DO PROGRAMA RPM EM MULHERES Response of cardiac frequency and blood lactate during RPM Program Classes for women  

Microsoft Academic Search

Nowadays, indoor cycling is one of the most practiced modalities at gym clubs. This way, the knowledge of the sharp responses that this kind of exercise provokes is rather important. The objective of this investigation was to verify the response of the cardiac frequency (CF) and the blood lactate during classes of indoor cycling for women, using the RPM (Raw

Homero Gustavo Ferrari; Luiz Guilherme; Antonacci Guglielmo

207

Estudo de não gaussianidade nas anisotropias da RCF medidas Wmap  

NASA Astrophysics Data System (ADS)

A investigação do campo de flutuações da Radiação Cósmica de Fundo (RCF) pode oferecer um importante teste para os modelos cosmológicos que descrevem a origem e a evolução das flutuações primordiais. De um lado, apresenta-se o modelo inflacionário que prevê um espectro de flutuações adiabáticas distribuídas segundo uma gaussiana e, de outro, os modelos de defeitos topológicos (dentre outros) que descrevem um mecanismo para a geração de flutuações de isocurvatura que obedecem a uma distribuição não gaussiana. Este trabalho tem como objetivo caracterizar traços do modelo não gaussiano de campo misto (entre flutuações adiabáticas e de isocurvatura) nos mapas do Wilkinson Microwave Anisotropy Probe (WMAP). Simulações das anisotropias da RCF no contexto de mistura indicam traços marcantes na distribuição das flutuações de temperatura, mesmo quando consideradas pequenas contribuições do campo de isocurvatura (da ordem de 0.001). O efeito da mistura entre os campos resulta na transferência de potência de flutuações em escalas angulares intermediárias para flutuações em pequenas escalas angulares. Este efeito pode ser caracterizado pela relação entre as amplitudes dos primeiros picos acústicos no espectro de potência da RCF. Neste trabalho, investigamos a contribuição do campo de isocurvatura, no contexto de mistura, sobre as observações recentes da RCF realizadas pelo WMAP. As previsões do modelo de campo misto, uma vez confrontadas com as observações em pequenas escalas angulares, podem ajudar a revelar a natureza das flutuações primordiais.

Andrade, A. P. A.; Wuensche, C. A.; Ribeiro, A. L. B.

2003-08-01

208

Observaciones de la corona solar interior con un coronógrafo de espejo  

NASA Astrophysics Data System (ADS)

El plasma de la corona solar es un buen indicador de las líneas de fuerza del campo magnético. Por lo tanto, el análisis de estructuras coronales cuasiestacionarias en la corona da importante información sobre el campo magnético y la actividad asociada. Se trata de poner límites a los modelos teóricos existentes mediante el estudio de distintas estructuras en la corona interior. En agosto de 1997 comenzó a operar el coronógrafo solar (MICA) en El Leoncito como parte del Observatorio Solar Alemán-Argentino. Desde su instalación obtiene imágenes de la corona solar (1.05 a 2.0 radios solares) en 2 líneas espectrales correspondientes a la emisión de Fe XIV y Fe X. El instrumento puede obtener imágenes cada minuto por lo que es ideal para estudiar procesos rápidos. Presentamos observaciones recientes que muestran la capacidad del coronógrafo así como la evolución de algunos eventos dinámicos observados por MICA.

Stenborg, G.; Schwenn, R.; Francile, C.; Rovira, M.

209

INTERACCIONES SOCIALES, CONDUCTAS DELICTIVAS, VIOLENCIA Y CONSUMO DE DROGAS EN UNA BANDA JUVENIL: REPORTE DE REGISTROS CONDUCTUALES y DIARIOS DE CAMPO  

Microsoft Academic Search

Two types of data-collectlng systems, field diarles and time sampling of behavíor, were used to study a juvenile gang in a marginal com- munity of Mexico City. These two ways of gathering data give us ím- portant Information conceming the gang. wlth regards lo social functio- níng, víolence, delinquency and dmg usage. Field diaries offer us a panoramlc, global vision

210

Resource management and fertility in Mexico's Sian Ka'an Biosphere Reserve: Campos, cash, and contraception in the lobster-fishing village of Punta Allen  

PubMed Central

This case study examines the link between marine resource management, and the universal contraceptive use among married couples in the lobster- fishing village of Punta Allen, located in the Sian Ka’an Biosphere Reserve, Quintana Roo, Mexico. Several reasons appear to contribute to small desired and actual family sizes. Some of these include a medical clinic staff effective in promoting family planning, cooperative and private resource ownership, changing cultural attitudes, geographical limitations to population and economic growth, and a desire to conserve the environment for aesthetic and economic motives. Lastly, families desired to preserve a sustained balance between benefiting from lobster harvests today and safeguarding this marine resource for their children in the future.

Carr, David L.

2009-01-01

211

Elastic Stress Concentration of a Cruciform Joint Upon Bending Fattore di Intaglio in Campo Elastico Per Giunti a Croce Sollecitati a Flessione.  

National Technical Information Service (NTIS)

The influence of the geometry on the elastic stress concentration factor K sub t of a cruciform welded joint in bending was investigated. Complete penetration was assumed for the analysis, which was performed using the finite element method, with isoparam...

B. Atzori G. Monno

1977-01-01

212

Apreciaciones generales sobre Cast. /X/ Cat. [X] en el campo de Tarragona (General Considerations on the Castilian /X/ and the Catalan [X] in Tarragona).  

ERIC Educational Resources Information Center

|Throughout the centuries in Spain, the Castilians and Catalans have shared cultural, social, political, generational, and human experiences. This exchange was bound to have a linguistic influence of the Castilian on the Catalan language. (In Catalonia bilingualism is prevalent, and in Castile it is not.) While there have been lexical changes, the…

Cerda Masso, Ramon

1967-01-01

213

Restaurant and Champagne Lounge, Campo Santa Margherita, featuring Rizman Putra The Hyperbolic Alpha Male performance, and Giorgio Pulini aka RACH3 live dj set  

Microsoft Academic Search

Migration Addicts began as an ongoing project two years ago in Shanghai, investigating how migration re-determines issues related to human identity, gender and spiritual needs. The fast expansion of urban spaces, following the model of big cities, has led to new social conflicts within the social structure. Recently the tension between Western and Chinese traditional values and lifestyles, as well

Biljana Ciric; Htein Lin; Campo San Barnaba; Jin Shan; Campo San Polo; Li Pinghu; Campo San Salvatore; Huang Kui; Campo San Maurizio; Miljohn Ruperto; Josefina Posch; Campo Santo Stefano; Mogas Station; Belén Cerezo; Campo San Bortolomio; Yap Sau Bin; Piazza San Marco; Hasan Elahi; Campo Santa Margherita; Rizman Putra; Champagne Lounge

2007-01-01

214

Bayesian spatial prediction of the area affected by drilling discharges from an exploratory well using water-based and non-aqueous-based fluids in Campos Basin, Brazil  

NASA Astrophysics Data System (ADS)

Toxic drilling fluids and cutting discharges from oil and gas wells adversely affect local environment near the well site. To determine their effects on benthic communities, it is essential to know both the fate of the discharged materials and the chemical concentrations to which biota were exposed during and after drilling. This paper describes a mapping procedure using Bayesian spatial models to define the deposition area of drilling cuttings and fluids from an exploratory well in a deep-sea site in the Campus Basin, RJ, Brazil, taking into account the concentrations of barium and light hydrocarbons used as chemical tracers. The statistical procedures used allow comparisons between sampled sites and the prediction of results at unsampled sites, as well as the delineation of affected areas. The probable impact of the use of non-aqueous fluid (NAF) was measured through observed changes in sea-floor sediments by using Before-After Control-Impact comparisons in a study with three moments: one before drilling and two after drilling.

Pulgati, F. H.; Fachel, J. M. G.; Ayup-Zouain, R. N.; Landau, L.

2009-01-01

215

Pedro Schacht Pereira - Uma Filosofia Buissonnieuse, ou de como o narrador desce as escadas: Como ler a questão da \\  

Microsoft Academic Search

In this article I address a long-standing issue in Machadian studies, that of the relationship between philosophy and literature in the fiction of Machado de Assis. I start by acknowledging my indebtedness to the studies that Abel Barros Baptista has recently dedicated to the Brazilian author. In his article, \\

Pedro Schacht Pereira

2007-01-01

216

ATIVIDADES PRÁTICAS NO ENSINO DO TRATAMENTO DA ÁGUA COM ÊNFASE NOS PROCESSOS FÍSICO-QUÍMICOS  

Microsoft Academic Search

O uso de aulas experimentais deve contribuir para o processo de ensino e aprendizado de forma significativa e atualizada. Entretanto, se por um lado é inquestionável a importância do trabalho prático no ensino, por outro são notórias as dificuldades encontradas para a sua implementação de forma sistemática no ambiente de sala de aula, quer por limitações de recursos físicos ou

R. F. SCHÄFER; L. M. V. BARBOZA

217

Bases para la elaboracion de unidades didacticas de calidad en el area de ciencias (Fisica y Quimica 3 deg ESO)  

NASA Astrophysics Data System (ADS)

Este Trabajo Fin de Master tiene como objeto, el estudio previo de la educacion de la ciencia en la actualidad y mas destacable, del diseno de las unidades didacticas segun las metodologias mas frecuentes aplicadas por los diferentes sistemas educativos en el area de las Ciencias teniendo en cuenta la importancia y el efecto de la psicologia del alumnado y todo ello como no puede ser de otro modo bajo el corse de la Legislacion aplicable, Estatal, Autonomica y europea. Con estos antecedentes, se extrae cuales son las preguntas que deben contestarse en la elaboracion de una unidad didactica de calidad en el contexto, generacional (edad y sexo), del Proyecto Educativo de Centro, y de la Programacion del Departamento, discutiendo y justificando cada uno de los apartados en que estructuradamente dividiremos dicha Unidad, con un formato manejable, util, y dinamico en el tiempo que sea un verdadero instrumento educativo de aula. Teniendo en cuenta estas premisas, se procede a hacer una recopilacion de una misma unidad didactica publicada por diferentes editoriales, elegidas no al azar, sino en funcion de su penetracion editorial en nuestros centros de ESO, siendo las elegidas (SM y Oxford). Las diferentes unidades seleccionadas son analizadas de forma critica, atendiendo a los criterios generales de calidad bajo parametros cientificos y normativos, concluyendo con la aportacion final que es la redaccion de unas pautas cientifico-pedagogicas, para redactar unidades didacticas de calidad en el area de la Ciencias, en concreto en la Asignatura de Fisica y Quimica de 3º de ESO.

Maccioni, Elena Lucia

218

Los cambios en la velocidad de rotación terrestre y los fenómenos geomagnéticos  

NASA Astrophysics Data System (ADS)

Uno de los aspectos importantes relativos a la geodinámica del interior terrestre es la correlación entre los eventos de cambio en la velocidad de rotación terrestre y los determinados en los elementos del campo geomagnético por ejemplo, la Declinación Magnética, o los coeficientes de los modelos matemáticos de representación global de dicho campo. En este trabajo se presentan los resultados de las características espectrales de los cambios observados en la longitud del día (ldd), y su relación con la estructura espectral de las coeficientes de los modelos matemáticos de campo denominados Campo Internacional Geomagnético de Referencia (CIGR). El intervalo estudiado comprende los últimos 100 años. Los resultados muestran una correlación en las bandas de 60 y 30 años, con posibles períodos mucho mayores que no son posibles determinar a partir de los modelos de CIRG. Se efectúa una simulación a partir de los resultados obtenidos por la aplicación del método de máxima entropía con longitudes del filtro predictor de error comprendida entre el 10% y el 95% de la longitud de la serie analizada. Se observan procesos sicrónicos y asincrónicos que, en muy largos intervalos de tiempos, podrían suponerse como caóticos.

Gianibelli, J. C.

219

Estudio de la histerectomía obstétrica como morbilidad en el Hospital América Arias en el año 2003  

Microsoft Academic Search

A retrospective, longitudinal study was performed of all patients who underwent obstetric hysterectomy in the America Arias Obstetrics and Gynecology Teaching Hospital in 2003. A thorough review of the medical records of 20 patients who underwent surgery was performed. The total number of births in the hospital during this period was 3583. Personal data, the number of cases in each

J. R. Cutié; A. Laffita; A. Velazco; M. Toledo

2005-01-01

220

Más allá del amo y del esclavo. La lógica del resentimiento como nuevo escenario filosófico  

Microsoft Academic Search

¿Cuáles son los elementos constitutivos, específicos de nuestro tiempo, pero más o menos generales, de ese deseo identitario de reconocimiento que a menudo parece alimentar una política de la recriminación, una tendencia a hacer reproches al poder más a que aspirar a él? Gilles Deleuze —junto a Nietzsche y otros pensadores contemporáneos— trata de atender al hecho de la lógica

Germán Cano

2009-01-01

221

ELABORACÃO DE UMA BARRA DE CEREAIS COMO ALIMENTO COMPENSADOR PARA PRATICANTES DE ATIVIDADE FÍSICA E ATLETAS  

Microsoft Academic Search

This study had as objective the elaboration of a bar of cereals, with characteristics appropriate nutricionais to the apprentice's of physical activity needs and athlete. They were used as ingredients: isolated protein of the serum of milk (Whey Protein), flakes of rice, oat in flakes, maltodextrina, concentrated juice of passion fruit, glucose, glycerin, inulina, canola oil, dehydrated apple, chestnut of

Larissa Grden; Cristina Soltovski de Oliveira; Eliana Queiroz Bortolozo

2008-01-01

222

LA RAZA COMO DETERMINANTE DEL ACCESO A UN EMPLEO DE CALIDAD: UN ESTUDIO PARA CALI  

Microsoft Academic Search

La discriminación laboral por raza ha sido un tema ampliamente analizado en la economía del trabajo a partir de la estimación de ecuaciones de ingreso para determinar diferenciales en el salario, pero la influencia de este factor en el acceso a un empleo de calidad no se ha explorado lo suficiente. Realizar este análisis cobra vital importancia para una ciudad

CHRISTIAN DAVID BUSTAMANTE; SANTIAGO ARROYO

2008-01-01

223

Efectividad de la vacuna anti-varicela-zoster como profilaxis post-exposición  

Microsoft Academic Search

Summary Introduction. Chickenpox is an endemic and highly contagious viral disease affecting mostly pre- school and school children. We evaluated the effectiveness of an Oka strain Varicella Vaccine (VV) in susceptible children who have had direct contact with varicella-zoster virus (VZV) infected

Angela Gentile; José Marcó del Pont; Emilio Martínez Iriart; Gustavo Pueta; Walter Joaquín; Silvia Castrillón; Marcelo Serantes; Patricia Lamy; Ricardo Rüttimann

224

Como Ayudar a sus Hijos a Aprender Ciencia (Helping Your Child Learn Science).  

ERIC Educational Resources Information Center

|Because most parents say they do not or cannot help their children with science, this booklet was designed to help them do so, easily and with pleasure for both parent and child. The introduction presents information on why and how parents should help their children and provides a general orientation to the ideas and activities offered in the…

Paulu, Nancy; Martin, Margery

225

COMO IMPLANTAR UM PROGRAMA DE ATIVIDADE FÍSICA NA EMPRESA: SUGESTÃO SEM IMPOSIÇÃO  

Microsoft Academic Search

This work deals with the practice of sport in the company, an expedient that has existed for a long time in European and Asian countries, later adopted in the United States, and arriving in Brazil in the second half of the past century, particularly in the South West and Southern regions - São Paulo, Paraná and Rio Grande do

José Maurício Capinussú

2005-01-01

226

Statement from the 1987 Como Meeting of the International Commission on Radiological Protection.  

National Technical Information Service (NTIS)

A summary of the 1987 meeting of the ICRP is given. Topics covered include the work on cancer risk assessment, in particular the atomic bomb survivor studies, the risk of mental retardation by exposure of children to radiation in utero, health risks from ...

1987-01-01

227

«BAILANDO COMO NEGRO»: RITMO, RAZA Y NACIÓN EN ESMERALDAS, ECUADOR1  

Microsoft Academic Search

Throughout the African diaspora blackness has long been associated with rhythmic dancing abilities. The association is often naturalised in popular discourses to suggest that black people have an innate sense of rhythm - that rhythm is «in their blood». This charaterisation is at times appropriated by individuals who self identify as black and consider their dancing skills an important part

Emily Walmsley

228

Em Busca de Delimitações do Enquadramento do Franchising como Alianças Estratégicas AUTORES  

Microsoft Academic Search

In the present paper is questioned the service franchises if it can be classified as strategic alliances. Two reasons impel the discussion. First, the relevance that this franchise type wins in terms of number of establishments and participation in the world economy; and second, the existent gap as the discussion regarding the system of franchising of services as a strategic

PEDRO LUCAS DE RESENDE; FELIPE MENDES BORINI

229

"Tanto Necesitamos De Aqui Como Necesitamos De Alla": "Leer Juntas" among Mexican Transnational Mothers and Daughters  

ERIC Educational Resources Information Center

|This paper presents part of the results of a qualitative study about literacy practices of Mexican transnational mothers, who live in and frequently cross the border between two countries (the United States and Mexico). Drawing on sociocultural approaches to literacy and literature on transnationalism, I analyze one practice: "leer juntas"…

de la Piedra, Maria Teresa

2011-01-01

230

Como Mantener los Socios en su Cooperativa (How to Maintain Membership in Your Cooperative).  

National Technical Information Service (NTIS)

Active membership in cooperatives is the major factor that makes co-ops survive. Five short pamphlets discuss issues for maintaining membership. (1) Strengthening Cooperative Member Interest and Support describes priority areas: creating pride in the co-o...

1970-01-01

231

Papel de los receptores tipo toll en las infecciones virales: el VIH-1 como modelo  

Microsoft Academic Search

The toll-like receptors are an essential component of the innate and adaptive immune response. They are responsible for the recognition of different pathogens agents and trigger responses directed at eliminating the pathogens as well as the development of immunological long-term memory. During viral infections, several different toll-like receptors are activated. These generally induce a protective immune response, but at the

Juan Carlos Hernández; Carlos Julio Montoya; Silvio Urcuqui-Inchima

2007-01-01

232

"Las Charlas" como expresion oral diaria ["Chats" as Daily Oral Practice].  

ERIC Educational Resources Information Center

|An oral practice system of "chats" in the classroom functions as an extemporaneous speaking exercise or chat (without notes or prompt sheets), occurring between two students for a minute or so at the beginning of class, following which the presenters respond to other students' questions. (CNP)|

Borden, Matt

2002-01-01

233

Os métodos científicos como possibilidade de construção de conhecimentos no ensino de ciências  

Microsoft Academic Search

This article deals with the scientific method in the area of science teaching. It focuses on its role in the process of building knowledge. It tries to show how the scientific method can be used in the definition and construction of concepts, especially those inherent to science itself. It treats these aspects from an acceptance point of view as a

Marly Aparecida Giraldelli Marsulo; Maria Ghisolfi da Silva

2005-01-01

234

POLÍTICAS CIENTÍFICAS EN MATERIA DE RENOVABLES: EL CASO DEL HIDRÓGENO COMO FUENTE BÁSICA ENERGÉTICA 1  

Microsoft Academic Search

The paper tries to realize a valuation on the implication of the hydrogen economy in the society. The Global Warning has led the governments to designing diffe- rent policies favoring the alternative energies and improve the environment. Though, in most cases performances have spread out with more intention that real. With this paper there are tried to put in scene

Jesús A. Valero Matas; Juan Romay Coca; Grupo Compostela

2009-01-01

235

Spanish Oral Language Guide: Kindergarten Level. Espanol como Segundo Idioma. Teacher's Guide: Level I.  

ERIC Educational Resources Information Center

|This teacher's guide to Spanish language at the kindergarten level includes a recommended subject presentation sequence for the Spanish curriculum, a sample schedule, a grouping of students using three stations, and a classroom layout. The grouping would be effective when at least one-third of the children are Spanish-speaking or bilingual. The…

Corbell, Gloria; And Others

236

LA COMUNICACIÓN DE CRISIS COMO ELEMENTO CLAVE DE LA COMUNICACIÓN EMPRESARIAL  

Microsoft Academic Search

The crisis communication is part of the company communication area. The crisis management of a company or institution includes several topics and among them we must position the crisis communication. When the communication is considered as a whole, the areas which form part of it (including, for example: governmen- tal relations, public relations, or image management) work together in a

Pilar Saura Pérez; Directora de Comunicación

2010-01-01

237

Paleoecology of the Quarry 9 vertebrate assemblage from Como Bluff, Wyoming (Morrison Formation, Late Jurassic)  

Microsoft Academic Search

Quarry 9 is among the richest microvertebrate localities in the Morrison Formation, having thus far produced the remains of dozens of Late Jurassic taxa. Because this lenticular claystone deposit records such a high diversity of contemporaneous species, it provides an exceptionally detailed view of their paleoecology and local paleoenvironment. In this study, we reexamined the entire Quarry 9 collection, totaling

Matthew T. Carrano; Jorge Velez-Juarbe

2006-01-01

238

Investigação da infância e crianças como investigadoras: metodologias participativas dos mundos sociais das crianças  

Microsoft Academic Search

In the second modernity the childhood participation is assumed as a fundamental principle to a large extent of the scientific speeches that are produced concerning childhood. The Sociology of Childhood, when considering the children as social actors and as citizens of rights, assumes the question of children's participation as central in the definition of a social statute of childhood and

Natália Fernandes Soares; Manuel Jacinto Sarmento; Catarina Tomás

239

Como se posicionam os professores perante manifestações culturais com impacto na natureza. Resultados de uma investigação  

Microsoft Academic Search

The present study is part of a wider research, the aim of which was to investigate the extent to which teachers involved in Environmental Education (EE) projects at the various levels of the Portuguese schooling system supported anthropocentric, biocentric or ecocentric perspectives on the environment. To this end, 60 teachers were interviewed on a variety of issues related to the

António Almeida

2009-01-01

240

Como Solicitar la Asistencia Economica Federal para Estudiantes (How To Apply for Federal Student Aid).  

ERIC Educational Resources Information Center

This guide, written in Spanish, discusses reasons for going to college, how to pay for college, and how to apply for federal student aid in a series of brief, clear illustrations. Following outlines of financial benefits of college, college costs, and space to note costs for the student's area, the guide outlines these steps in the application…

Office of Federal Student Aid (ED), Washington, DC.

241

El caduceo como emblema de la medicina: un error de casi cinco siglos  

Microsoft Academic Search

The snake has been associated to healing arts since the ancient times, probably because its skin-change ability and to symbolize that sola dosis facit venenum. The Staff of Aesculapius and the caduceum derivate from worshipping the snake; it is undeniable that both mythological symbols originated from the Life Tree, which represents wisdom and immortality. The inaccuracy of adopting the caduceum

Feliciano Blanco Dávila; Hernán Ramírez Vel

242

Adubação verde como alternativa agroecológica para recuperação da fertilidade do solo  

Microsoft Academic Search

A recuperação da fertilidade do solo, especialmente do nutriente fósforo (P) tem custo bastante elevado, principalmente quando utilizadas fontes de adubos solúveis. Portanto, é necessário encontrar alternativas de menor custo para recuperação da fertilidade-P. O objetivo desse trabalho foi de avaliar o potencial de produtividade de fi tomassa de espécies de adubos verdes de verão e de inverno submetidas a

Cristiano André Pott; Marcelo Marques; Lopes Müller; Patrick Batista Bertelli

243

Evaluación de algunos residuos orgánicos como sustrato para el cultivo de hongos comestibles  

Microsoft Academic Search

Introduction: Edible mushrooms have an excellent nutritional content; they have all of the essential amino acids, unsaturated fat acids, sugar, vitamins and fiber, and a wide variety of compounds that act against some human diseases. Objective: To evaluate garden remains as a substract to pro- duce two types of the Pleotorus fungus, Pleurotus ostreatus and Pleurotus pulmonarius and standarize the

Adelaida María; Garcés Molina; Natalia Velez Cardona; Santiago Ruiz Alzate; Juan Guillermo Serna DLeón; Ernesto Suarez Holguín

244

LAS LEVADURAS MARINAS COMO HERRAMIENTAS CIENTÍFICA Y BIOTECNOLÓGICA Marine yeasts as Scientific and Biotechnology tools  

Microsoft Academic Search

Marine yeasts comprise a group of microorganisms which existence has been questioned. As a result, the knowledge about its physiology and biotechnology use is scarce. The ecological importance of the marine yeasts is due, at least in part, to their contribution in the ocean's organic matter recycling. In addition, they are valuable sources of biological reagents, cell protein, vitamins, pigments,

Mar Bermejo

2004-01-01

245

ANUÁRIO DE LITERATURA UMBRAL O POEMA COMO EXÍLIO — SOUSÂNDRADE-GUESA EM \\  

Microsoft Academic Search

This essay intends to read in O Guesa, of Joaquim de Sousândrade, a sort of exile-poem. A desert where the poet is an eternal errant, a stranger in his own language, where the representation is not possible anymore and what remains is multi-idiomatic fragmentation, roars, babbles, cacophonies, cries, screams and inversions. A between-place of discords, rupture and deflection, of combat

Ana Carolina Cernichiaro

246

Evaluación de técnicas geoestadísticas como apoyo para la validación de productos en teledetección  

Microsoft Academic Search

This paper evaluates the performance of geostatistical methods to estimate leaf area index (LAI) fields from ground based measurements. These fields are necessary for the direct validation of high and medium spatial satellite derived products. Three models variants of the kriging technique the ordinary kriging (OK), the collocated cokriging (CKC) and kriging with an external drift (KED) are used. The

Eduardo Cassiraga; Javier Haro

247

ARTIGO ARTICLE Violence a global public health problem* Violência como um problema global de saúde pública  

Microsoft Academic Search

This article is a version of the Intro- duction to the World Report on Violence and Health, published by the World Health Organiza- tion (WHO). It presents a general description about this phenomenon and points some basic questions: concepts and definitions about the theme; the state of knowledge about it; nature and typology on violence; proposal of a quantita- tive

Linda L. Dahlberg; Etienne G. Krug

248

Inmigración y barbarie. La construcción social y política del inmigrante como amenaza  

Microsoft Academic Search

Immigration and barbarism. The social and political construction of the immigrant as it threatens This text analyzes the topic of the nowadays close relation between the international migra- tion and the resurgence of the racist ideas and behaviors. To explore the density of this topic, it leaves from a dynamic and constructivist perspective that, insisting on the complexity of the

Enrique Santamaría

2002-01-01

249

La participación como elemento constitutivo de las empresas de la Nueva Economía Social  

Microsoft Academic Search

Participation – democratic functioning – is one of the main elements which make up social economy companies. Within this, certain experiences which aim to solve recently appeared social problems (social integration, fair trade companies, etc.), have been denominated New Social Economy. From the company Stakeholder Theory, this article studies the degree and the ways of participation in the business initiatives

Edmundo Pérez Fernández

2002-01-01

250

La psicoeducación como experiencia narrativa: comprensiones posmodernas en el abordaje de la enfermedad mental  

Microsoft Academic Search

Introduction: Psychoeducation has been an intervention for mental illness since the middle of the 19th Century. It derived from psychiatry, bringing together different disciplines such as psychology, education, and social work among others. Objectives: This article takes a look at postmodern understandings in approaching psychoeducation. Results: A number of questions arise regarding psychoeducational work: How to intervene in mental illness?

María Victoria; Builes Correa; Mauricio Hernando; Bedoya Hernández

251

El portafolio como herramienta de formación y evaluación de los residentes de Dermatología (II)  

Microsoft Academic Search

A portfolio is a collection of material documenting reflection about practice. It contains documents (eg, case histories and questionnaires the resident has used), images, and video recordings that reveal that an individual has acquired the competencies needed for professional practice. This assessment tool simultaneously supports learning and provides evidence for certifying competence. The adoption of portfolio use by a dermatology

J. M. Casanova; X. Soria; L. Borrego; D. De Argila; M. Ribera; R. M. Pujol

2011-01-01

252

ERROS DE MEDICAÇÃO: O ENFERMEIRO, O FARMACÊUTICO E AS AÇÕES EDUCATIVAS COMO ESTRATÉGIAS DE PREVENÇÃO  

Microsoft Academic Search

The nurse and the pharmacist are directly related to the process of medication by means of clearly defined research papers that complement themselves. They are professionals, which by their academic formation, possess the necessary knowledge for the correct development of the processes of the system of medication. For this reason, everybody has the legal responsibility of avoiding medication errors as

Marcus Fernando da Silva; Paulo Celso; Prado Telles; Ana Flora; Fogaça Gobbo

253

Contributions of local knowledge to the physical limnology of Lake Como, Italy.  

PubMed

This article shows how local knowledge may be valuably integrated into a scientific approach in the study of large and complex hydrological systems where data collection at high resolution is a challenge. This claim is supported through a study of the hydrodynamics of a large lake where qualitative data collected from professional fishers was combined with theory to develop a hypothesis that was then verified by numerical modeling. First the fishermen's narratives were found to describe with accuracy internal wave motions that were evident in water column temperature records, which revealed their practical knowledge of the lake's hydrodynamics. Second, local knowledge accounts emphasized the recurrent formation of mesoscale gyres and return flows in certain zones of the lake in stratified conditions, which did not appear in the physical data because of limitations of sampling resolution. We hypothesized that these features developed predominantly because of the interaction of wind-driven internal motions with the lake's bathymetry, and the Earth's rotation in the widest areas of the basin. Numerical simulation results corroborated the fishers' descriptions of the flow paths and supported the hypothesis about their formation. We conclude that the collaboration between scientific and local knowledge groups, although an unusual approach for a physical discipline of the geosciences, is worth exploring in the pursuit of a more comprehensive understanding of complex geophysical systems such as large lakes. PMID:22493231

Laborde, Sarah; Imberger, Jörg; Toussaint, Sandy

2012-04-09

254

Malformación del sistema pancreático-biliar como causa de perforación espontánea de la vía biliar extrahepática  

Microsoft Academic Search

SUMMARY Biliary ascitis usually results from a spontaneous or traumatic perforation of the common bile duct, usually at the junction with the cystic duct. Distal duct obstruction, pancreatic fluid reflux up the common bile duct, congenital weakness or a localized mural malformation of the wall of the common duct have been proposed as possible causes. We present an 11-months-old infant

Carlos Baeza-Herrera; Ulises Darío Medellín-Sierra; Héctor Sanjuán-Fabián; Newton Jiménez-González; Luís Manuel; García-Cabello

255

A SEDUÇÃO LIBERTINA COMO ARTE DO EQUÍVOCO EM CRÉBILLON E LACLOS  

Microsoft Academic Search

Considering all literary texts about libertinage, from Ovid to nowadays, Claude Crébillon and Laclos are surely amongst those who treated with more wit the issue of Eros' ambiguous language. Within the closed and policed universe where theirs characters circulate, a vanity fair as refined as cruel, words' double meaning, when not detected in time or when misinterpreted, can lead the

ANA ALEXANDRA SEABRA DE CARVALHO

2010-01-01

256

Uso de gadolinio como contraste en cpre en pacientes con reacciones adversas a contrastes yodados  

Microsoft Academic Search

IntroductionRadiologic contrasts are required during endoscopic retrograde cholangiopancreatography (ERCP). The most frequently used are iodine-based contrast media. Controversy still surrounds the optimal strategy in patients with previous adverse reactions to iodine contrasts that need to undergo an ERCP.

Eduardo Martín Arranz; Rafael Rey Sanz; María Dolores Martín Arranz; Francisco Gea Rodríguez; Pedro Mora Sanz

257

INCUBACION ANAEROBICA DEL SUELO COMO DIAGNOSTICO DE LA RESPUESTA A NITROGENO DEL MAIZ BAJO SIEMBRA DIRECTA  

Microsoft Academic Search

-1 then the yield increment = 72,5 - 1,38 Nan, if Nan > 48.mg kg -1 the yield increment = 6 %). Nan was related with the time (years) since the last pasture (r 2 = 0.39). These results suggest that Nan probably is associated with light carbon fractions and can be used to explain the response of maize to

PA CALVIÑO; HE ECHEVERRÍA

258

CALIDAD DEL SUELO COMO RESPUESTA A LA APLICACIÓN DE PRACTICAS DE IMPLANTACIÓN FORESTAL  

Microsoft Academic Search

SUMMARY The last years increase the interest to know the impact of silvicultural practices on the characteristics and functionality of the red soils under second rotation. In this study changes in soil organic carbon (OC), light fraction organic matter (LF) and weight of the aggregate mean diameter (MWD) were analyzed in relation to the following site preparation practices: a) manual

A. M. Lupi; R. Fernández; M. Conti

259

Síndrome del dolor miofascial como posible causa de parestesias: presentación de un caso  

Microsoft Academic Search

The presence of paresthesias in the cubital edge of the hand, fourth and fifth finger usually is related to the compression of the C8 root or the cubital nerve. In spite of it, there are occasions in which these symptoms may have other origin. A case study shows, a patient who presented both cervical and dorsal shoulder pain, as well

J. C. Zuil Escobar; C. B. Martínez Cepa

2007-01-01

260

Escuelas sin Drogas. Como Actuar. Edicion 1992. (Schools without Drugs. What Works. 1992 Edition).  

ERIC Educational Resources Information Center

Across the United States, schools and communities have found ways to turn the tide in the battle against drugs. This guidebook describes the methods they have used and the actions they have taken. The first section, "Children and Drugs" outlines the nature and extent of the drug problem and summarizes the latest research on the effects of drugs on…

Department of Education, Washington, DC.

261

Guia Practica: Como Manejar Abejas Africanizadas (Practical Guide: How to Manage Africanized Bees).  

National Technical Information Service (NTIS)

The report discusses beekeeping equipment and methods, including beehive construction and dismantling. Covered are characteristics of African bees as compared with European types. Also, addresses various disease symptoms and general management.

R. Bailey D. Anderson

1986-01-01

262

TRANSFERÊNCIA DE MATÉRIA SECA COMO MÉTODO DE AVALIAÇÃO DO VIGOR DE SEMENTES DE SOJA  

Microsoft Academic Search

The transfer of seed storage material from the cotiledons to the embryo axys of soybean seeds (Glycine max (L.) Merrill) was studied. Two lots of cultivar Bragg with germination above 80% and differing in vigor levels, as assessed by the accelerated aging test were used. The initial seed quality was evaluated by moisture content, weight of 1,000 seeds, germination and

ELIANA LOPES DAN; VERA DELFINA; COLVARA MELLO; CLÓVIS TERRA WETZEL; FLAVIO POPINIGIS; PAULO ZONTA

263

La evaluación como proceso de legitimidad: la opinión de los alumnos. Reporte de una experiencia  

Microsoft Academic Search

En este trabajo se presentan diversas consideraciones sobre la importancia de legitimar la operación social y la gestión institucional en las organizaciones educativas, considerando que uno de los elementos estriba en el derecho a opinar de los alumnos sobre el desempeño docente de sus profesores. En el trabajo se reporta el análisis de 26 010 cuestionarios contestados por los alumnos

FELIPE TIRADO SEGURA; ALEJANDRO MIRANDA DÍAZ; Y ANDRÉS SÁNCHEZ MOGUEL

2007-01-01

264

Como Pagar Su Educacion 1999-2000 (Funding Your Education: 1999-2000).  

ERIC Educational Resources Information Center

This guide, in Spanish, is for students seeking financial aid for attending a college or career school. The guide uses a question-and-answer format to provide practical information on student financial aid available from the federal government. Questions and answers are organized into the following categories: choosing a school; paying tuition and…

Office of Student Financial Assistance (ED), Washington, DC.

265

Nutrición basada en la evidencia en el cáncer como enfermedad caquectizante  

Microsoft Academic Search

Cachexia is characterized by progressive and involuntary weight loss. Cancer is considered to be a cachexia-inducing disease because of the prevalence and importance of cachexia in malignant neoplastic disease. It is well known that malnutrition frequently contributes to the death of cancer patients. However, before routinely recommending nutritional therapy, the real therapeutic benefits it confers should be identified. The present

E. Cancér Minchot; G. Cánovas Molina; M. Durán Poveda; J. Álvarez Hernández; J. J. Gorgojo Martínez

2005-01-01

266

RELAÇÃO E ENVOLVIMENTO DE CRIANÇAS OBESAS EM AULAS DE EDUCAÇÃO FÍSICA EM ESCOLA MUNICIPAL DE EDUCAÇÃO INFANTIL (EMEI) DE SÃO CARLOS-SP RELATION AND INVOLVEMENT OF OBESITY CHILDREN IN LESSONS OF PHYSICAL EDUCATION INFANTILE SCHOOL OF INFANTILE EDUCATION OF SÃO CARLOS-SP  

Microsoft Academic Search

Methods: Aiming to influence the state of infantile obesity in behavior of students in class interferes of the Physical Education, were assessed 53 boys and 56 girls, between 3 to 7 years, the following: verification body mass chronological the condition of obesity according to the World Health Organization (Who), were also evaluated the level of interaction of the child, on

Antonio Eduardo de Aquino

267

Intermitência alfvênica gerada por caos na atmosfera solar e no vento solar  

NASA Astrophysics Data System (ADS)

Dados medidos no vento solar rápido proveniente dos buracos coronais revelam que os plasmas no meio interplanetário são dominados por flutuações Alfvênicas, caracterizadas por uma alta correlação entre as variações do campo magnético e da velocidade do plasma. As flutuações exibem muitas características esperadas em turbulência magneto-hidrodinâmica totalmente desenvolvida, tais como intermitência e espectros contínuos. Contudo, os mecanismos responsáveis pela evolução de turbulência Alfvênica intermitente não são completamente compreendidos. Neste trabalho a teoria de caos é usada para explicar como sistemas Alfvênicos, modelados pela equação Schrödinger não-linear derivativa e pela equação Kuramoto-Sivashinsky, podem se tornar fortemente caóticos à medida em que parâmetros do plasma são variados. Pequenas perturbações no parâmetro de dissipação podem fazer com que o sistema mude bruscamente de um regime periódico, ou fracamente caótico, para um regime fortemente caótico. As séries temporais das flutuações do campo magnético nos regimes fortemente caóticos exibem comportamento intermitente, em que fases laminares ou fracamente caóticas são interrompidas por fortes estouros caóticos. É mostrado que o regime fortemente caótico é atingido quando as soluções periódicas ou fracamente caóticas globalmente estáveis interagem com soluções do sistema que são fortemente caóticas, mas globalmente instáveis. Estas soluções globalmente instáveis são conjuntos caóticos não-atrativos conhecidos como selas caóticas, e são responsáveis pelos fortes estouros nos regimes intermitentes. Selas caóticas têm sido detectadas experimentalmente em uma grande variedade de sistemas, sendo provável que elas desempenhem um papel importante na turbulência intermitente observada em plasmas espaciais.

Rempel, E. L.; Chian, A. C.-L.; Macau, E. E. N.; Rosa, R. R.

2003-08-01

268

Aquecimento alfvênico viscoso-resistivo em discos de acresção ao redor de estrelas T Tauri clássicas  

NASA Astrophysics Data System (ADS)

Com a crescente disponibilidade de dados observacionais sobre estrelas T Tauri, a busca por modelos mais precisos vem se tornando cada vez maior. Estes modelos devem explicar, entre outras coisas, o mecanismo dissipativo responsável pelo transporte de momento angular no disco de acresção que acredita-se, circunda estas estrelas. O mecanismo mais viável, do ponto de vista teórico, é uma instabilidade MHD conhecida como "instabilidade magnetorotacional ou Balbus-Hawley" (IBH). Esta instabilidade veio mostrar que o campo magnético desempenha um papel importante na evolução destes objetos mas requer, no entanto, um acoplamento mínimo entre o gás e o campo magnético no disco que não é atingido para os valores de temperatura obtidos do modelo padrão. Contudo, alguns mecanismos de aquecimento para o disco precisam ser examinados. Neste trabalho, propomos a dissipação de ondas Alfvén como uma fonte de aquecimento para o disco. Se o gás apresentar uma condutividade elétrica finita e viscosidade, teremos um tipo de amortecimento para as ondas denominado amortecimento viscoso-resistivo que será aqui considerado. Este mecanismo é aplicado ao modelo de disco em camadas. Calculam-se as taxas de aquecimento Alfvênico, a temperatura efetiva do disco bem como as taxas de ionização decorrentes deste aquecimento e do aquecimento gerado pela absorção de raios cósmicos. Comparações com os dados observacionais de Kitamura et. al. (2001) são efetuadas, ressaltando-se os pontos comuns entre suas observações e nossos dados teóricos.

Santana, W. M.; Vasconcelos, M. J.

2003-08-01

269

QUALITY, HEALTH SYSTEM AND GOVERNANCE. THE ARGENTINEAN CASE  

PubMed Central

Argentina ha sido un campo fértil para los intentos de reforma del sector salud, en la búsqueda por mejorar la calidad de sus servicios y, consecuentemente, la accesibilidad y la equidad del mismo. Los resultados obtenidos no han sido proporcionales a los esfuerzos desarrollados. Aunque la bioética debería, como forma de reflexión interdisciplinaria, participar en la fundamentación de nuevas políticas sanitarias y sus efectos sobre los usuarios, parece haber permanecido ajena, en general, a los graves problemas derivados de la corrupción, prefiriendo enfocarse en cuestiones vinculadas a planteos abstractos de justicia y solidaridad, atribuyendo los fracasos a la imposición de modelos económicos foráneos.

Litewka, Sergio G.

2011-01-01

270

 

PubMed

Argentina ha sido un campo fértil para los intentos de reforma del sector salud, en la búsqueda por mejorar la calidad de sus servicios y, consecuentemente, la accesibilidad y la equidad del mismo. Los resultados obtenidos no han sido proporcionales a los esfuerzos desarrollados. Aunque la bioética debería, como forma de reflexión interdisciplinaria, participar en la fundamentación de nuevas políticas sanitarias y sus efectos sobre los usuarios, parece haber permanecido ajena, en general, a los graves problemas derivados de la corrupción, prefiriendo enfocarse en cuestiones vinculadas a planteos abstractos de justicia y solidaridad, atribuyendo los fracasos a la imposición de modelos económicos foráneos. PMID:21660255

Litewka, Sergio G

2010-11-01

271

La formación de la Nube de Oort y el entorno galáctico primitivo  

NASA Astrophysics Data System (ADS)

Se analizan las condiciones de formación de la nube de Oort en el medio galáctico primitivo, bajo la suposición de que los objetos que alcanzaron la nube fueron planetesimales residuales eyectados por los planetas gigantes durante las etapas finales de su acreción. Los objetos que adquieren órbitas cuasiparabólicas están sujetos a las perturbaciones de estrellas vecinas y al potencial del disco galáctico, las que desacoplan sus perihelios de la región planetaria, dando a los objetos una larga estabilidad dinámica. Se demuestra que un entorno galáctico como el presente pudo, sin embargo, no ser suficiente para formar un reservorio cometario con una vida dinámica comparable a la vida del sistema solar. La existencia de la nube de Oort después de 4600 millones de años es, pues, una fuerte indicación de que el sistema solar se formó en un entorno galáctico mucho mas denso que el presente, tal vez en una nube molecular y/o un cúmulo abierto, que es el modo de producción de la mayoría de las estrellas. Se encuentra que un campo perturbador externo mas intenso, producto de un entorno galáctico mas denso, sería capaz de formar una nube de Oort mas compacta, con un radio del orden de 103- 104 UA. El campo externo mas intenso cesó de actuar una vez que la nube molecular y/o el cúmulo abierto se disiparon, previniendo entonces que ese mismo campo externo disolviera el reservorio cometario.

Fernández, J. A.

272

O ambiente de binárias de pequena massa em formação: o caso do glóbulo cometário CG30 e IRAS08076-3556  

NASA Astrophysics Data System (ADS)

Neste trabalho, combinamos observações de polarização linear no óptico (banda R), dados no infravermelho distante (IRAS) e observações de transições moleculares em radiofreqüências (CO e espécies isotópicas, HCN e HCO+) para analisar o glóbulo cometário (GC) CG30 (na região da IRAS Vela Shell), que apresenta objetos Herbig-Haro e ejeções de matéria, além de uma fonte pontual IRAS em seu interior. Os objetivos deste estudo são: determinar a eficiência de formação estelar nos glóbulos cometários, através da relação entre a massa total do GC e da massa das estrelas em formação; determinar como o campo magnético influencia na formação de estrelas no interior destes objetos; e analisar as modificações que ejeções de matéria de estrelas em formação causam no gás e no campo magnético dos GCs. Combinando nossos dados com trabalhos já publicados, mostramos que CG30 tem uma eficiência de formação estelar em torno de 3%; que o campo magnético é importante na manutenção da estrutura global do GC e demonstra sinais de torção e compressão; e que a ejeção bipolar de matéria das estrelas do par formam uma ejeção quadripolar, a qual influencia na densidade e temperatura do gás e no grau de polarização dos grãos de poeira associados ao gás do GC.

Hickel, G. R.; Vilas-Boas, J. W. S.

2003-08-01

273

Results of investigation at the Miravalles geothermal field, Costa Rica. Resultados de las investigaciones en el campo geotermico de Miravalles, Costa Rica; Parte 2, Muestreo de fluidos pozo abajo  

SciTech Connect

Samples of the geothermal fluids in the Miravalles, Costa Rica, geothermal system were collected from production wellbores using downhole fluid samplers, from flowing wellheads using miniseparators, and from hot springs that discharge in the area. The reservoir fluid at Miravalles is a neutral-chloride-type water, but fumaroles and acid-sulfate springs are present within the main thermal area, and there are bicarbonate-rich hot springs that are clearly related to the neutral-chloride reservoir fluids. Dissolved gases are primarily a mixture of CO{sub 2} with air, but samples collected in the fumarolic areas also contain H{sub 2}S. Water-stable isotope analyses suggest local meteoric recharge, and the reservoir fluid shows oxygen isotopic shifts of about 2.5% due to high-temperature oxygen exchange between water and rock. Chemical geothermometer temperatures are consistent with the measured downhole temperature of 220{degrees} to 255{degrees}C. This pattern of neutral-chloride reservoir fluids with acid-sulfate springs near the source region and bicarbonate-rich chloride hot springs at the periphery of the system suggests a lateral outflow type of hydrothermal system. In addition to the geochemical evidence, temperature profiles from several of the wells show temperature reversals that are characteristic of lateral outflow plumes. We find no evidence for the underlying, higher temperature (300{degrees}C) system, which has been suggested by other investigators. 24 refs., 14 figs., 6 tabs.

Grigsby, C.O.; Goff, F.; Trujillo, P.E. Jr.; Counce, D.A.; Dennis, B.; Kolar, J.; Corrales, R. (Los Alamos National Lab., NM (USA); Instituto Costarricense de Electricidad, San Jose (Costa Rica))

1989-10-01

274

Fields without Borders: An Anthology of Documentary Writing and Photography by Student Action with Farmworkers' Interns = Campos sin Fronteras: Una Antologia de Obras Escritas y Fotografia por Estudiantes Internos de Accion Estudiantil con Trabajadores Agricolas.  

ERIC Educational Resources Information Center

In this booklet, essays and poems, presented both in English and in Spanish, portray the feelings, conditions, and economic plight of migrant and seasonal farmworkers in North and South Carolina, often in their own words. A preface describes Student Action with Farmworkers summer internships in which college students spend 10 weeks working with…

Manly, Libby, Ed.; Okie, Alejandra, Ed.; Wiggins, Melinda, Ed.

275

Institutional Entrepreneurship and Collective Identity: the emergence of the HIV\\/AIDS policy field in Brazil Empreendedorismo Institucional e Identidade Coletiva: a emergência do campo da política em HIV\\/AIDS no Brasil  

Microsoft Academic Search

This study seeks to qualify the action of social entrepreneurs looking at the collective identity as an important resource and a defining element of discursive strategies directed to promote changes. We understand institutional entrepreneurship as a collective action that is both means of and a resource to promote changes. We examined the emergence of the Brazilian HIV\\/ AIDS policy and

Patricia Mendonça; Mario Aquino Alves; Luiz Claudio Campos

276

Seedling growth of the invader Calotropis procera in ironstone rupestrian fi eld and seasonally dry forest soils Crescimento de plântulas da espécie invasora Calotropis procera em solos de campos rupestres ferruginosos e fl oresta seca sazonal  

Microsoft Academic Search

The present study evaluated the growth, biomass allocation and nutrient content in seedlings of the invasive and exotic especies Calotropis procera (Aiton) W.T. Aiton (Apocynaceae), cultured in greenhouse, in soils from two different ecosystems: ironstone rupestrian fi elds (Canga) of Brumadinho, Minas Gerais; and seasonally dry forest (Caatinga), of Serra Talhada, Pernambuco. Seedlings from the Canga treatment were signifi cantly

Silvia H. F. de Oliveira; Daniel Negreiros; G. Wilson Fernandes; Newton P. U. Barbosa

277

Residência em Psicologia Hospitalar e da Saúde do HU\\/UFJF: consolidando práticas no campo da saúde Residence in Hospital and Health Psychology of the HU\\/UFJF: consolidating pratices in the camp of the health  

Microsoft Academic Search

The Federal University of Juiz de Fora's Residence in Hospital and Heath Psychology (HU\\/UFJF) started in 2004, offering two places per year through a sel ective process. This paper describes the experience obtained throughout the Course existence and the impact on the education of psychologists that will wo rk at hospitals, basic health units and others health institutions.

Cristiane Berriel Veroneze; Tânia Mara; Silva Benfica; Maria Stella Tavares Filgueiras; Suzana Fajardo Leal; Fernanda Deotti Rodrigues

278

EL ANÁLISIS DE LOS NIVELES DE REFLEXIÓN EN EL DISCURSO. SU APLICACIÓN DESDE LA PERSPECTIVA DEL FORMADOR DE FORMADORES AL CAMPO DE LA EDUCACIÓN FÍSICA Y AL ENTRENAMIENTO DEPORTIVO  

Microsoft Academic Search

In this article we expose the existing problems in the analysis of the reflection levels of the speec h, either of physical education teachers or of sports trainers, in order to improve this aspect and to establish formative programs or to provide feedback to imporove this competency and the performance of the sportsmen. We define the concepts of reflectio n

J. Viciana; M. A. Delgado; Del Villar

279

Reflectancia Espectral Do Trigo Irrigado (Triticum Aestivum, L) Por Espectrorradiometria de Campo E Aplicacao Do Modelo Sail (Field Spectroradiometry and Sail Model Application to Irrigated Wheat (Triticum Aestivum, L) Canopies Spectral Reflectance).  

National Technical Information Service (NTIS)

Experimental data and results of SAIL model supported a study relating the spectral reflectance of wheat canopies (Triticum aestivum, L.) to their biophysical parameters which included an evaluation of the model potential for investigating such relationsh...

M. Demorissonvaleriano

1992-01-01

280

Fields without Borders: An Anthology of Documentary Writing and Photography by Student Action with Farmworkers' Interns = Campos sin Fronteras: Una Antologia de Obras Escritas y Fotografia por Estudiantes Internos de Accion Estudiantil con Trabajadores Agricolas.  

ERIC Educational Resources Information Center

|In this booklet, essays and poems, presented both in English and in Spanish, portray the feelings, conditions, and economic plight of migrant and seasonal farmworkers in North and South Carolina, often in their own words. A preface describes Student Action with Farmworkers summer internships in which college students spend 10 weeks working with…

Manly, Libby, Ed.; Okie, Alejandra, Ed.; Wiggins, Melinda, Ed.

281

Caracteristicas de la Instruccion Programada como Tecnica de Ensenanza (Characteristics of Programed Instruction as a Teaching Technique).  

ERIC Educational Resources Information Center

|This discussion of programed instruction begins with the fundamental psychological aspects and learning theories behind this teaching method. Negative and positive reinforcement, conditioning, and their relationship to programed instruction are considered. Different types of programs, both linear and branching, are discussed; criticism of the…

Dorrego, Maria Elena

282

Introduccion, establecimiento y potencial de Apion ulicis como antagonista de Ulex europaeus en el sur de Chile  

Microsoft Academic Search

Resumen  El coleópteroApion ulicis Forster, introducido desde Nueva Zelanda se estableció exitosamente enUlex europaeus L. en todas las localidades del Sur de Chile donde fue introducido, entre los paralelos 37 y 43 grados Lat. Sur.\\u000a \\u000a Los niveles de consumo de semilla que muestran las plantas infestadas con este insecto, indican queA. ulicis puede ser un valioso agente de control biológico de

H. Norambuena; R. Carrillo; M. Neira

1986-01-01

283

The Chernobyl accident: the radioactive contamination in the area of Lake Como and in other Northern Italy sites  

Microsoft Academic Search

Summary The radioactive cloud released during the Chernobyl accident reached the Po Plain and Lombardy in the night of April 30, 1986;\\u000a the cloud remained in the northern Italian skies for a few days and then disappeared either dispersed by winds or washed by\\u000a rains. The evidence in the atmosphere of radionuclides as tellurium, iodine, cesium was promply observed by

D. Capra; U. Facchini; V. Gianelle; G. Ravasini; O. Ravera; A. Pizzala; P. Bacci

1987-01-01

284

Como Emplear con Seguridad Equipo Diesel Movil en Lugares Subterraneos (Safety with Mobile Diesel Powered Equipment Underground).  

National Technical Information Service (NTIS)

The manual provides detailed requirements to use combustion engines in mines. Explosions from gases are to be avoided by measures such as ventilation, air conditioning, piping exhaust. The effects of air temperatures and humidity is also covered.

1966-01-01

285

A TRANSMISSÃO DO SABER EM ELEMENTOS DA CULINÁRIA BAIANA COMO DEPOSITÁRIO DA TRADIÇÃO CULTURAL: UMA ANÁLISE À LUZ DA CONTEMPORANEIDADE  

Microsoft Academic Search

This article focuses on addressing issues of interest concerning the transmission of knowledge on matters of Bahian cuisine, its relationship with the parties, the rituals and celebrations. To this end, it was a sketch map of popular culture in Bahia, scoring their knowledge and taste in cultural practices. Next, the study addresses issues involving food, the hybridism cultural tradition and

Mércia Socorro Ribeiro Cruz; Janete Ruiz Macedo

286

Información sobre salud en internet y sellos de confianza como indicadores de calidad: el caso de las vacunas  

Microsoft Academic Search

ObjectivesTo find out the prevalence of quality trust marks present in websites and to analyse the quality of these websites displaying trust marks compared with those that do not display them, in order to put forward these trust marks as a quality indicator.

Miguel Ángel Mayer; Ángela Leis; Ferran Sanz

2009-01-01

287

O LAZER E A RECREAÇÃO EM BUSCA DA INTENCIONALIDADE: A UTILIZAÇÃO DA TEORIA DAS INTELIGÊNCIAS MÚLTIPLAS COMO PROPOSTA DE INTERVENÇÃO  

Microsoft Academic Search

This study it has as objective to argue, through the bibliographic revision, the leisure while sociocultural fact nowadays, over all in our country. As the Recreation while educative practice it comes growing and searching its legitimity in the work field. And still, to point the use of the Theory of M ultiple Intelligences as subsidy sugestion theoretician- metodologic with respect

Jeane Karla; Albuquerque de Oliveira; Maria Amélia Guedes Barros; Ericka Cilene

288

Posibilidades y limitaciones de las políticas fiscales como instrumentos de salud: los impuestos sobre consumos nocivos. Informe SESPAS 2010  

Microsoft Academic Search

This article discusses the possibilities of indirect taxation as a mechanism that alters the relative prices of goods and services and hence encourages citizens to adopt healthy lifestyles. We review the case of smoking and unhealthy diet. These two cases were chosen because these are the two lifestyle factors with the greatest impact on morbidity and mortality in Spain and

Ángel López Nicolás; Arántzazu Viudes de Velasco

289

THE KELP Macrocystis pyrifera AS NUTRITIONAL SUPPLEMENT FOR GOATS El Alga Marina Macrocystis pyrifera como Sumplemento Alimenticio para Cabras  

Microsoft Academic Search

The present study was aimed to evaluate Macrocystis pyrifera (MP) meal as a nutritional supplement for goats. There is an in- creasing interest to look at nutritional alternatives to guarantee a continuous supply of good quality forage for goats, in many communities around the world. Given its abundance and chemi- cal composition, the algae M. pyrifera is an important potential

Nidia Mora Castro; Margarita Casas Valdez; Alejandro Marín Álvarez; Ruth Noemí; Águila Ramírez; Ignacio Sánchez Rodríguez; Hugo Hernández Contreras; Leonor Sanginés García

290

Design, Development and Experimental Evaluation of Solar Collector with Storage Space Heating System for School Building at Civiglio (Como, Italy).  

National Technical Information Service (NTIS)

This report aims at investigating means for space heating using processes suitable for implementation in areas where the conventional energy resources are scarse. Bearing in mind the low cost of capital investment and utilization possibilities, mainly spa...

G. De Giorgi Fumagalli A. Frascone L. Soma L. Esposito

1988-01-01

291

LA UTILIZACIÓN DE MAPAS CONCEPTUALES COMO ESTRATEGIA DIDÁCTICA PARA LA CONSTRUCCIÓN Y ORGANIZACIÓN DEL PENSAMIENTO EN EDAD PREESCOLAR  

Microsoft Academic Search

A continuación se exponen los resultados y conclusiones de una investigación, basada en la implementación de una propuesta metodológica innovadora para la construcción de Mapas Conceptuales en edad preescolar. Esta experiencia tuvo lugar en dos jardines Infantiles estatales de la ciudad de Cartago, Costa Rica. La población infantil la conformó un grupo de niños y niñas con edades entre los

Jenny Brenes; Ana Sofía Coto; Gloria Hurtado

292

O INTERACIONISMO SIMBÓLICO COMO FUNDAMENTAÇÃO PARA PESQUISAS DE ENFERMAGEM PEDIÁTRICA SYMBOLIC INTERACTIONISM AS A FUNDAMENT FOR PEDIATRIC NURSING RESEARCH  

Microsoft Academic Search

Palavras-chave Palavras-chave: Enfermagem; pediatria; interacionismo simbólico; pesquisa. Abstract: Abstract: Abstract: Abstract: Abstract: This article aims at revising theoretical references of Symbolic Interactionism and highlighting their use in qualitative approach on pediatric researches. Literature from 1969 to 2005 was mentioned. According to those studies, it can be demonstrated that Symbolic Interactionism has been used by caretakers for the analysis of human

Lucimeire Santos Carvalho; Cátia Andrade da Silva; Ana Carla; Petersen de Oliveira; Climene Laura de Camargo

293

LA CARGA DE TRABAJO MENTAL COMO FACTOR DE RIESGO DE ESTR…S EN TRABAJADORES DE LA INDUSTRIA ELECTR\\  

Microsoft Academic Search

The purpose of the present study was to determine how some individual, organizational and ergonomic factors influence work stress and mental workload. Participants were 95 workers (male and female) from an electronics organization located in the metropolitan area of the city of Guadalajara, México. Ergonomic conditions were evaluated through the Ergonomics Evaluation List (OIT); Mental work load was analyzed with

RODOLFO E. GUTIÉRREZ MARTÍNEZ

2006-01-01

294

ECOLOGY, BEHAVIOR AND BIONOMICS As Formigas como Indicadores Biológicos do Impacto Humano em Manguezais da Costa Sudeste da Bahia  

Microsoft Academic Search

Mangroves are common in estuaries along the Atlantic coast of Brazil. Although plant diversity is low, this ecosystem supports a range of animals, offering some resources for non-aquatic organisms. Many insects live in mangroves and, between them, many ant species that are exclusively arboreous. Mangroves throughout the world suffer from high levels of human impact, and this is particularly true

JACQUES H. C. DELABIE; VALÉRIA R. L. DE; M. PAIM; IVAN C. DO NASCIMENTO; SOFIA CAMPIOLO; CLÉA DOS S. F. MARIANO

2006-01-01

295

Los pumas ( Puma concolor) como agentes tafonómicos. Análisis actualístico de un sitio de matanza en los Andes de Mendoza, Argentina  

Microsoft Academic Search

A taphonomic study of the carcass of an adult guanaco (Lama guanicoe) recently killed and consumed by one or more pumas (Puma concolor) in the Laguna del Diamante reserve (Mendoza province, Argentina) is exposed, and the case is discussed in the light of the available taphonomic information on this agent in America. The carcass was dispersed along more than 30m

A. Sebastián Muñoz; Mariana Mondini; Víctor Durán; Alejandra Gasco

2008-01-01

296

Traditional plants as source of functional foods: a review Plantas tradicionales como fuente de alimentos funcionales: una revisión  

Microsoft Academic Search

The aim of this work was to assess the following plants as functional foods that can be found in Mexico: white sapote (Casimiroa edulis), jicama (Pachyrhizus spp.), amaranth (Amaranthus hypochondriacus), sweet fennel (Foeniculum vulgare), oregano (Lippia graveolens), pitahaya (Hylocereus sp.), agave (Agave americana), pelitre (Heliopsis longipes), and purslane (Portulaca oleracea L). The main characteristics, components and active substances, forms of

G. Rivera; V. Bocanegra-García; A. Monge

2010-01-01

297

Contextualizacion y "Expresiones Pragmaticas": "Che" como Senal de Marco (Contextualization and "Pragmatic Expressions": "Che" as Deictic Marker).  

ERIC Educational Resources Information Center

The pragmatic expressions of Argentine Spanish (e.g., "bueno, viste, no? mira") are defined as deictic signals. They are deictic because they indicate elements of the communicative situation: transitions between text segments, conversational roles, or the social relationship between participants. They also signal contextual suppositions and help…

Carranza, Isolda

298

How Can We Provide Safe Playgrounds? = Como podemos proveer lugares con juegos infantiles que no sean peligrosos para los ninos?  

ERIC Educational Resources Information Center

|Outdoor playgrounds can be exciting places where children explore their environment and develop motor and social skills; however, they can also pose serious safety hazards. With the exception of California, no mandatory state or federal standards currently exist regarding manufacture or installation of playground equipment or surfaces. The…

ACCESS ERIC, Rockville, MD.

299

Caminar con y como migrantes para transformar la frontera: foundations for the creation of feminist communities on the border  

Microsoft Academic Search

There are different perspectives and experiences with respect to reading and understanding the United States-Mexico Border\\/Frontera. This paper focuses on the Border\\/Frontera as a space where possibilities and encounters take place and which, if lived in openness and reception, can lead to a vivid interchange that can bring a new way of understanding humanity, culture and differences. Since our Border\\/Frontera

Maria Lourdes Arias Trujillo

2006-01-01

300

Conversor boost atuando como carga eletrônica a corrente controlada para fins de teste de uma célula a combustível  

Microsoft Academic Search

This paper presents the study and implementation of an electronic load for fuel cell testing. In a typical fuel cell electrical testing, it is necessary to draw a controllable dc current from it, thus an electronic load based on the boost converter is connected to the cell to control its output current. The design procedure and simulation results are presented.

Julliano H. S. de Faria; Henrique J. Avelar; J. B. Vieira; L. C. G. de Freitas; E. A. A. Coelho

2010-01-01

301

La participación social como referente estratégico para el fortalecimiento de la salud bucal en las políticas nacionales de salud pública  

Microsoft Academic Search

Oral health is an integral part of the general health of the individual, specially considering that the World Health Organization (WHO) has called the attention of the importance of oral health as part of the general health of the individual. This essay focuses on the importance of collective actions as a part of social participation. Said actions are carried out

Andrés Alonso Agudelo; Eliana Martínez

302

A RELAÇÃO ENTRE O IDIOMA E A IDENTIDADE. O USO DO IDIOMA MATERNO COMO DIREITO HUMANO DOS MIGRANTES  

Microsoft Academic Search

Os imigrantes estabelecidos num país cuja língua não é a mesma de sua terra de origem enfrentam singulares problemas quando crianças, enquanto gerações posteriores a assimilam e precisam fazer frente às questões de identidade pessoal e cultural. A situação coloca desafios ainda mais complexos, quando a cultura dominante no país anfitrião subestima a língua materna do imigrante. Este artigo analisa

Lourdes C. Rovira

303

PET de doble fase con 18F-FDOPA como instrumento para la caracterización de tumores cerebrales  

Microsoft Academic Search

18F-FDOPA is an amino acid analogue used to evaluate presynaptic dopaminergic activity, which has aroused great interest in neuro-oncology. We have evaluated five 18F-FDOPA PET studies of patients referred for study of parkinsonian syndrome. Two subjects had previously treated high-grade brain tumors, one nonspecific brain injury, and 2 subjects presented unexpected tumoral lesions. For all lesions SUVmax, time to SUVmax

M. González-Forero; E. Prieto; I. Domínguez; C. Vigil; I. Peñuelas; J. Arbizu

2011-01-01

304

La ciudad como espectáculo. Marketing territorial, internet y atracción turística en Santiago de Compostela. ¿Éxito o fracaso?  

Microsoft Academic Search

The new information and communication technologies (ICTs) allow us to disseminate and revalue local culture in the information society through computer-mediated communication. With the emergence of ICTs and social access to information in web format, audiovisual production is now being developed as a tool for marketing and for attracting the \\

Yolanda García

305

UNIDAD DE MANEJO PARA LA CONSERVACION DE LA VIDA SILVESTRE COMO ALTERNATIVA PARA “LOS NUEVOS AGRONEGOCIOS† 

Microsoft Academic Search

The contamination of the ecosystems, over-exploitation and introduction of invading plants as well as the climatic change are considered causes of the loss of the biodiversity combined to the illegal animal traffic and plants that are exported of clandestine way to other countries which has gotten to represent between the 60 and 70 percent of the illegal commerce of our

Rafael Retes Lopez; Martha Isela Cuevas Gonzalez; Salomon Moreno Medina; Francisco G. Denogean Ballesteros; Fernando A. Ibarra Flores; Martha H. Martin Rivera

2010-01-01

306

How To Start a Family Day Care = Como Iniciar una Guarderia en El Hogar. [Videotape and Viewer's Guide].  

ERIC Educational Resources Information Center

|Being a family day care provider is work that requires professional responsibilities and attention to the physical, emotional, and educational well-being of children; listening and responding to parents; and running a business. This videotape, in English- and Spanish-language versions, explores the elements involved in starting up a family day…

Raphael, Doris; Weisman, Douglas

307

Barcelona como Frontera Lingüística, Sexual, Espacial y Cultural: La Novela Española a Las Puertas del Siglo XXI  

Microsoft Academic Search

The end in 1975 of the Francoist regime in Spain opened the door to new forms of self-expression, many of them suppressed during the 40 years of dictatorship. This change is especially significant around the traditionally peripheral Comunidades Autónomas that are bilingual, bicultural, and are experiencing a revival of their nationalistic feelings.\\u000aThis study focuses on the work of three

Ana Pérez-Manrique

2006-01-01

308

Ficcion de racionalidad: La memoria como operador mitico en las esteticas polares de Jorge Luis Borges y Jose Lezama Lima  

Microsoft Academic Search

The aesthetic placement and period designation of Jorge Luis Borges (1899–1986) and José Lezama Lima (1910–1976) are complicated issues among critics. Borges is considered a predecessor of the Latin American literary “boom,” but despite that taxonomy his work transcends that definition and provides a foundation for new trends, such as the “neobarroco” cultivated by Severo Sarduy. Lezama is considered part

Jose R Vilahomat

2003-01-01

309

Ficción de Racionalidad: La memoria como operador mítico en las estéticas polares de Jorge Luis Borges y José Lezama Lima  

Microsoft Academic Search

The aesthetic placement and period designation of Jorge Luis Borges (1899-1986) and José Lezama Lima (1910-1976) are complicated issues among critics. Borges is obviously considered a predecessor of the Latin American literary “boom,” but despite that taxonomy his work transcends that definition and provides a foundation for new trends and styles, such as the “neobarroco” cultivated by Severo Sarduy. Lezama

José R. Vilahomat

2003-01-01

310

La evolución histórica de los conceptos científicos como prerrequisito para comprender su significado actual: el caso de la \\  

Microsoft Academic Search

In this article we analyse the historic evolution of Stoichiometry, from its origins introducing the concept of 'equivalent' as a necessity to 'mathematise' chemistry in the XVIII century to the introduction of 'amount of substance' as a fundamental quantity in the XX century. This evolution includes the laws of Richter, Proust and Gay-Lussac, the hypotheses of Dalton and Avogadro, and

Carles Furió Mas; Kira Padilla Martínez

311

Conocimiento objetivo y subjetivo sobre el VIH\\/SIDA como predictor del uso de condón en adolescentes  

Microsoft Academic Search

Objective. To evaluate the association between objective and subjective knowledge on HIV\\/AIDS and condom use. Material and Methods. Analysis of a database from an anonymous, self-applied, randomized survey conducted be- tween 1995 and 1996. Study subjects were 1 410 adoles- cents of four socioeconomic strata from Guadalajara, Mexico. Objective knowledge was assessed with 24 ques- tions regarding HIV\\/AIDS, and subjective

Alberto Villaseñor-Sierra; Ramiro Caballero-Hoyos; Alfredo Hidalgo-San Martín; José Ignacio Santos-Preciado

2003-01-01

312

Estadísticas de visitas en portales web institucionales como indicador de respuesta del público a propuestas de divulgación  

NASA Astrophysics Data System (ADS)

The presence of institutions on the internet is nowadays very important to strenghten communication channels, both internal and with the general public. The Córdoba Observatory has several web portals, including the official web page, a blog and presence on several social networks. These are one of the fundamental pillars for outreach activities, and serve as communication channel for events and scientific, academic, and outreach news. They are also a source of information for the staff, as well as data related to the Observatory internal organization and scientific production. Several statistical studies are presented, based on data taken from the visits to the official web pages. I comment on some aspects of the role of web pages as a source of consultation and as a quick response to information needs. FULL TEXT IN SPANISH

Lares, M.

313

TRABAJO SOCIAL INTERCULTURAL: UNA APROXIMACIÓN AL PERFIL DEL TRABAJADOR SOCIAL COMO EDUCADOR Y MEDIADOR EN CONTEXTOS MULTICULTURALES Y MULTIÉTNICOS  

Microsoft Academic Search

RESUMEN La sociedad española se ha transformado en un corto período de tiempo en una sociedad de inmigración, cuando hasta hace pocos años era más bien una sociedad de emigración. Los flujos migratorios internacionales y el hecho de ser nuestro país una sociedad de receptora de los mismos, han modificado sustancialmente el contexto de intervención del trabajador social que, inevitablemente,

MARÍA JOSÉ AGUILAR IDÁÑEZ

314

Field technique of permeability tests in highly fissured limestone strata  

NASA Astrophysics Data System (ADS)

Résumé.L'étude de dispositifs de dénoyage est nécessaire pour l'amélioration de sites avant la construction de certaines structures. L'étude de dispositifs de dénoyage efficaces exige d'estimer la valeur du coefficient de perméabilité in situ. Les relations disponibles pour estimer le coefficient de perméabilité ont été développées sur la base de mesures et de conditions de terrain limitées, et les prédictions varient de plusieurs ordres de grandeur. C'est pourquoi il est nécessaire de réaliser des mesures de perméabilité sur le terrain et de déterminer la relation qui permet le meilleur ajustement de ces mesures avant l'étude du dispositif de dénoyage pour des conditions locales et géologiques spécifiques. Ce papier présente des mesures de perméabilité sur le terrain dans des niveaux calcaires complexes chaotiques et diagénétisés. Il propose également une analyse comparative de plusieurs relations disponibles dans la littérature destinées à prédire le coefficient de perméabilité in situ. L'analyse est faite en conditions permanentes et non permanentes. Les résultats montrent que la valeur du coefficient de perméabilité dépend du niveau de la nappe, qui est affecté par le régime de marées. On montre que l'équation de l'US Navy donne la meilleure corrélation avec les mesures de terrain. Resumen.El diseño de sistemas de desecado es necesario para mejorar las condiciones de un emplazamiento antes de la construcción de determinadas estructuras. El diseño de un sistema eficiente de desecado requiere de la estimación del valor de la permeabilidad in-situ. Las relaciones disponibles para tal fin han sido desarrolladas bajo condiciones y medidas de campo limitadas; sus predicciones varían en algunos órdenes de magnitud. Por tanto, es necesario tomar medidas de permeabilidad en campo y determinar la relación que reproduce mejor dichas medidas como paso previo al diseño de un sistema de desecado en condiciones geológicas y de emplazamiento específicas. Este artículo presenta medidas de permeabilidad en campo para estratos de calcita caóticos y diagenéticos. También ofrece un análisis comparativo de diversas relaciones disponibles en la bibliografía con el fin de predecir el valor de la permeabilidad in-situ. El análisis se ha hecho tanto en régimen permanente como en estacionario. Los resultados demuestran que la permeabilidad depende del nivel freático, el cual está afectado por las mareas. La ecuación de la Marina estadounidense es la que proporciona una mejor correlación con las medidas de campo.

Al-Salihi, Adnan; Asaad, Abdulah

2002-05-01

315

Cálculos ab initio con correlación electrónica  

NASA Astrophysics Data System (ADS)

Estamos entrando en una era donde la ortogonalidad entre las investigaciones de carácter experimental y de naturaleza teórica se irá difuminando progresivamente y la problemática a resolver quedará en escena como el único actor principal de la obra. Como premisa para una cooperación teórico-experimental de igual a igual, la metodología químico-cuántica utilizada debe ser capaz de ofrecer resultados de carácter predictivo. Sin duda, esta madurez en la metodología químico-cuántica ya la hemos alcanzado hace algunos años, tal y como muestra entre otras muchas, la labor que nuestro grupo ha realizado en el transcurso de la última década, dentro del campo de la Espectroscopía Teórica. Los estudios realizados comprenden una amplia gama de sistemas, variando tanto en tamaño como en complejidad, abordando problemáticas espectroscópicas consideradas tradicionalmente como especialmente controvertidas. Nuestra contribución científica más relevante reside en el carácter cuantitativo de las asignaciones espectroscópicas que hemos propuesto en base a resultados ab initio. Recordemos que en los años noventa los resultados ab initio solían presentar para las energías de excitación de sistemas de tamaño molecular moderado, como el benceno, errores de más de 1 eV. En comparación con el éxito relativo de los métodos semiempíricos, la frustración de la metodología ab initio quedaba todavía más patente. Los estudios que hemos presentado representan una comprensión profunda de los espectros electrónicos en sistemas orgánicos claves, mostrando el camino a seguir para obtener asignaciones espectroscópicas precisas (entre 0.1-0.2 eV). La naturaleza del método CASPT2 junto al diseño de estrategias computacionales nos ha permitido alcanzar el carácter cuantitativo con el que se caracterizan nuestras contribuciones[1,2]. Por todo ello, algunos de los trabajos publicados se consideran clásicos dentro del campo, pues en cierto modo definen el campo, y se reflejan en libros publicados recientemente. En la conferencia se analizarán ciertos pormenores de las investigaciones realizadas. El tipo de aplicaciones llevadas a cabo hasta la fecha se ilustrará mediante el estudio teórico del espectro electrónico de ciclooctatetraeno. Dando un paso más en la evolución de nuestra investigación, pretendemos en la actualidad describir, desde un formalismo teórico y al mismo nivel de exigencia, los mecanismos subyacentes que tienen lugar en las reacciones biológicas fototoinducidas, es decir, reacciones que se inician mediante la absorción de luz[3]. Como muestra de la caracterización de los procesos fotofísicos y fotoquímicos en fotobiología teórica, hemos elegido la descripción de la conversión interna ultrarrápida que tiene lugar en los cromóforos del ADN. Los estados excitados de las moléculas de los ácidos nucleicos presentan tiempos de vida media que se encuentran en el rango de sub-picosegundos, sugiriendo la presencia de un canal ultrarrápido de conversión interna, lo que normalmente se asocia en la fotoquímica contemporánea a una intersección cónica entre el estado excitado y el fundamental[4]. De esta forma nuestro ADN previene de forma eficaz posibles reacciones en el estado excitado y se revela como un excelente protector solar.

Merchán Bonete, M.

316

A estabilidade dos PAHS em função da energia da radiação interestelar nas faixas UV e raios-X  

NASA Astrophysics Data System (ADS)

A nebulosa CRL 618, uma proto-nebulosa planetária cuja nuvem molecular espessa envolve uma estrela B0, contém uma grande quantidade de C2H2 e CH4. Estas moléculas são consideradas os tijolos da criação de grandes moléculas carbonadas como os Hidrocarbonetos Policíclicos Aromáticos (PAHs). Esta nebulosa, por estar exposta a intensos campos de UV e Raios-X, é uma região de fotodissociação molecular que propicia a formação de novas moléculas, confirmada pela presença de C4H2 e C6H6 (Benzeno), que é a unidade básica dos PAHs. Atribui-se a esta família de moléculas orgânicas duas propriedades fundamentais, a resistência para sobreviver ao campo de radiação UV interestelar e a geração das bandas de emissão não identificadas (UIR) observadas no infravermelho. No entanto, alguns autores questionam a resistência dos PAHs ao campo de radiação UV interestelar. Empregando a técnica de Espectrometria de Massas por Tempo de Vôo, no modo de coincidência fotoelétron-fotoíon, estudamos a ionização e fragmentação das seguintes moléculas: Benzeno, Benzeno deuterado, Naftaleno, Antraceno e Fenantreno. Utilizamos uma fonte de Hélio monocromática em 21,21 eV (584,5 Å) e a radiação Síncroton do Laboratório Nacional de Luz Síncroton (LNLS) em diferentes energias nas proximidades da borda do C 1s ( 290 eV). Comprovamos a estabilidade dos PAHs sob ação de UV (21,21 eV), onde eles apresentam um baixo nível de fotodissociação, produzindo fragmentos ionizados com rendimento total na ordem de 5 por cento em relação ao íon molecular pai. Entretanto, em altas energias, na faixa de Raios-X, a quebra destas moléculas torna-se mais intensa, com a produção de muitos fragmentos. Como uma das rotas de fragmentação do Naftaleno é [(C10H8) = > (C6H6+) + (C4H2) + (e-)], e como temos as evidências observacionais da existência do C4H2 e C6H6 na nebulosa CRL 618, sugerimos que este ambiente também possui o Naftaleno.

Pinotti, R.; Costa, R. K.; Boechat-Roberty, H. M.; Lago, A.; Souza, G. B.

2003-08-01

317

Dinámica global en galaxias elípticas  

NASA Astrophysics Data System (ADS)

Con el propósito de determinar propiedades dinámicas globales en sistemas triaxiales no integrables, utilizamos una nueva herramienta conocida como ``Mean Exponential Growth factor of Nearby Orbits'' (MEGNO), introducida por Cincotta y Simó (2000). Esta técnica no sólo resulta eficiente para investigar ambas componentes del espacio fase, regular y caótica, sino que también, provee una medida de la hiperbolicidad en el dominio caótico que coincide con la dada por el Lyapunov Characteristic Number (LCN). Previamente este método ha sido aplicado al estudio de modelos simples, y últimamente en el campo de la Mecánica Celeste, al estudio de sistemas planetarios extrasolares. En esta presentación, ilustraremos algunas de las propiedades más importantes del MEGNO, aplic& acute;andolo al potencial tridimensional de Stäckel perturbado.

Pérez, M. J.; Cincotta, P. M.; Giordano, C. M.

318

Effect of acclimation to outdoor condition on the sexual performance of mass-produced Medflies (Diptera: Tephritidae)  

SciTech Connect

Application of the sterile insect technique (SIT) as part of integrated area-wide programs to control the Mediterranean fruit fly (medfly) Ceratitis capitata (Wiedemann) require that the released males attract wild females and transfer sterile sperm. However, knowledge about male sexual performance after they are released is scarce. We conducted a study to evaluate male sexual performance in field cage tests, according to standard quality control procedures. Mass-reared 5-d-old sterile males from the genetic sexing strain VIENNA 7mix2000 were acclimated for 0, 1, and 3 d to outdoor conditions before competing with wild males for wild females. Although the proportion of mating (PM) in the test was satisfactory, the resulting relative sterility index (RSI) data showed no significant differences among the treatments. The data indicate that pre-conditioning males to outdoor conditions in Madeira did not confer an advantage in field cage sexual performance. (author) [Spanish] La aplicacion de la tecnica del insecto esteril (TIE) como parte de un programa integrado de amplio efecto para el control de la mosca mediterranea de la fruta Ceratitis capitata (Wiedemann) requiere que los machos liberados atraigan las hembras naturales y transfieran su esperma. Sin embargo, el conocimiento del desempeno sexual de los machos despues de ser liberados es muy escaso. Nosotros realizamos un estudio para evaluar el desempeno sexual de los machos en pruebas usando jaulas del campo, segun los procedimientos estandardizados de calidad. Machos esteriles de 5 dias de edad de la raza que separa los sexos geneticamente VIENNA 7mix2000 criados en masa fueron aclimatados por 0, 1 y 3 dias en condiciones de campo antes de competir con machos naturales para las hembras naturales. Aunque la proporcion del apareamiento en la prueba fue satisfactorio, el indice relativo de esterilidad (IRS) resultante no mostro ninguna diferencia significativa entre los tratamientos. Los datos indicaron que al condicionar los machos anteriormente a las condiciones de campo en Madeira no conferio ventaja alguna en el desempeno sexual en la jaula de campo. (author)

Pereira, R.; Silva, N.; Quintal, C.; Abreu, R.; Andrade, J.; Dantas, L. [Programa Madeira-Med, Estrada Eng. Abel Vieira, 262, 9135-260 Camacha, Madeira (Portugal)

2007-03-15

319

Ondas de choque em jatos de quasares e objetos BL Lacertae  

NASA Astrophysics Data System (ADS)

Este trabalho é parte de um projeto que vem sendo realizado há dois anos no CRAAM, cujos objetivos principais são analisar e aplicar um modelo generalizado de ondas de choque em jatos relativísticos de plasma, presentes em quasares e objetos BL Lacertae, para explicar a variabilidade observada nestes objetos. O método consiste em uma decomposição de curvas de luz em séries de explosões similares, em várias freqüências, baseando-se em uma evolução espectro-temporal média das explosões. A partir da evolução média, um ajuste de cada explosão é feito com base em equações empíricas, modificando-se apenas parâmetros específicos de cada explosão. Inicialmente o modelo foi aplicado ajustando-se as curvas de luz a explosões delineadas por uma evolução do choque em três estágios, segundo a predominância do processo de emissão: síncrotron, Compton e adiabático. Entretanto, nesta nova fase de projeto, visando uma parametrização mais concisa, uma otimização do algoritmo de ajuste e uma convergência mais rápida, a formulação para cada evento foi assumida com uma evolução em apenas dois estágios: subida e descida. Isto possibilitou uma ótima delineação das curvas de luz das fontes OV236, OJ287, 3C273 e BL Lac, entre 1980 e 2000, nas freqüências 4.8, 8.0, 14.5 e 22 GHz, utilizando-se dados do Observatório da Universidade de Michigan, do Observatório do Itapetinga (Atibaia SP) e do Observatório Metsähovi. Como conclusões importantes, verificou-se que: os parâmetros ajustados descrevem o comportamento do jato; os valores do índice que descreve a expansão do jato sugerem que o mesmo se expande de uma forma não-cônica; o campo magnético é turbulento atrás da frente de choque; e as peculiaridades das explosões são devidas à influência de grandezas tais como o coeficiente da distribuição espectral de energia dos elétrons, a intensidade de campo magnético e o fator de feixe Doppler, no início do choque.

Melo, F. E.; Botti, L. C. L.

2003-08-01

320

PFI-ZEKE (Pulsed Field Ionization-Zero Electron Kinetic Energy) para el estudio de iones  

NASA Astrophysics Data System (ADS)

Entre las áreas hacia donde ha evolucionado la Química en los últimos años están los estudios de sistemas con especies reactivas de alta energía y los dominados por fuerzas intermoleculares débiles, con energías de unas pocas kcal/mol. En efecto, el estudio de las propiedades de los iones, comenzando por su relación con la molécula neutra de la que procede, la energía de ionización, los estados vibracionales y rotacionales, energías de enlace de Van der Waals entre el ión y una amplia variedad de otras moléculas, sus confórmeros o isómeros y sus reacciones o semi-reacciones químicas están en la raíz de la necesidad de la espectroscopía conocida como PFI-ZEKE, Pulsed Field Ionization-Zero Electron Kinetic Energy. Entre las aplicaciones que requieren estos conocimientos se encuentran la generación de plasmas para la fabricación de semiconductores, memorias magnéticas, etc, así como los sistemas astrofísicos, la ionosfera terrestre, etc. La espectroscopía ZEKE es una evolución de las de fluorescencia inducida por láser, LIF, ionización multifotónica acrecentada por resonancia, REMPI, con uno y dos colores y acoplada a un sistema de tiempo de vuelo, REMPI-TOF-MS, y las espectroscopías de doble resonancia IR-UV y UV-UV. Sus espectros y la ayuda de cálculos ab inicio permite determinar las energías de enlace de complejos de van der Waals en estados fundamental y excitados, identificar confórmeros e isómeros, obtener energías de ionización experimentales aproximadas (100 cm-1) y otras variables de interés. Al igual que con LIF, REMPI y dobles resonancias, es posible utilizar muestras gaseosas, pero los espectros están muy saturados de bandas y su interpretación es difícil o imposible. Se evitan estas dificultades estudiando las moléculas o complejos en expansiones supersónicas, donde la T de los grados de libertad solo alcanzan unos pocos K. Para realizar experimentos de ZEKE hay que utilizar una propiedad recientemente descubierta, que va en contra de lo esperado en otros sistemas físicos y que consiste en que los altos estados Rydberg de átomos, moléculas y sus complejos de van der Waals (o de los iones) tienen tiempos de vida de centenas de ? s. En resumen, el experimento y la espectroscopía ZEKE consiste en excitar un átomo, molécula o cluster sucesivamente a dos estados excitados selectivos de manera que el final sea un estado Rydberg. A continuación se aplica un campo eléctrico variable que lo ioniza y después de un cierto retraso se aplica un campo eléctrico de extracción, tanto para el electrón como para el ión. El espectro de los iones, es un espectro ZEKE. Hay varias alternativas para hacer este último proceso. El estudio de la espectroscopía y propiedades de iones y sus clusters requiere el conocimiento detallado de la espectroscopía de la molécula neutra, los estados Rydberg, de los confórmeros y sus complejos. Todo ello implica el haber estudiado los sistemas por LIF, REMPI y doble resonancia (hole burning IR-UV, UV-UV). Además solo es posible interpretar los resultados y obtener la información contenida en los espectros con ayuda de cálculos cuánticos ab initio. Hasta el momento hemos aplicado tanto el ZEKE como el conjunto de técnicas mencionadas anteriormente, a varias molécula de interés químico general como anilina y sus derivados, así como sus complejos con agua y amoniaco. Sin embargo, el método es muy versátil y puede aplicarse a iones de átomos, iones múltiples, moléculas sencillas y sus clusters así como a sus semi-reacciones. Como ejemplo de uno de estos espectros PFI-ZEKE se presenta aquí el caso del amonibenzonitrilo, ABN y solamente en su estado fundamental. En la conferencia se presentarán espectros ZEKE del ABN y moléculas similares en estados vibracionales intermedios (islas de estabilidad), así como la determinación de potenciales de ionización precisos, energías de enlace de compuestos del ión con varios disolventes y otras propiedades de interés, discutiendo sus resultados.

Castaño, F.; Fernández, J. A.; Basterretxea, A. Longarte. F.; Sánchez Rayo, M. N.; Martínez, R.

321

Abordagem do tema hipertensão arterial e suas relações com o tabagismo e a obesidade como forma de avaliação da aquisição e socialização de conhecimentos em Feiras de Ciências  

Microsoft Academic Search

O presente trabalho apresenta a experiência vivenciada por um professor do Ensino Fundamental de Escola Pública do Paraná, na orientação de uma equipe de alunos de 8ª série, em 2008, visando o desenvolvimento de trabalhos em Feiras de Ciências. A temática da equipe enfoca a hipertensão arterial e seus fatores de risco, tabagismo e obesidade, no município de Floresta. Escolheu-se

Eduardo de Almeida Grenier; Celso Ivam Conegero

2008-01-01

322

Efeito de solventes orgânicos usados como veículos de fungicidas no controle in vitro e in vivo da incidência e da transmissão de Bipolaris sorokiniana em sementes de cevada  

Microsoft Academic Search

Effect of organic solvents used as vehicles for fungicides on the in vitro and in vivo control of incidence and transmission of Bipolaris sorokiniana in barley seeds An important pathogenic feature of the fungus Bipolaris sorokiniana is its capacity to be transmitted through barley (Hordeum vulgare) seeds, sometimes in levels up to 100%, which turns fungus eradication very difficult with

Javier Toledo Barba; Erlei M. Reis; Carlos A. Forcelini

2003-01-01

323

Coexistencia de los diferentes discursos patriarcales y efectos desarrollados en la novela de escritoras de la restauracion: La moda como liberacion de la mujer  

Microsoft Academic Search

The role of women in Spanish society, at the end of the nineteenth century and at the beginning of the twentieth century, was shaped by interactions between the legal system, the Catholic Church, customs, and the politics of marriage. The inflexibility of these aforementioned institutions catalyzed the feminist movement in Spain. Specifically, some women writers used the unyielding nature of

Maria Julia Bello-Bravo

2008-01-01

324

La reparación del daño como mecanismo de tutela de la persona. Del daño a la salud a los nuevos daños extrapatrimoniales  

Microsoft Academic Search

En la actualidad, el operador del Derecho se enfrenta a dos de los más importantes problemas del nuevo derecho de daños: por un lado, la clasificación del perjuicio y, por el otro, la reparación correspondiente a cada una de sus categorías, que debe estar informada por el principio de reparación integral, y que impone en consecuencia considerar más que las

Milagros Koteich Khatib

325

La caracterización de la gestión de la calidad como un proceso inherente a la gestión de la eficacia en las organizaciones  

Microsoft Academic Search

La gestión de la calidad cobra una importancia relevante en el logro de la eficacia para cualquier tipo de organización. Su caracterización permite determinar el conjunto de propiedades distintivas, para una vez identificadas y mediante un proceso de toma de decisiones, posibilite que las que se encuentran de manera correcta sigan comportándose de ese modo, y las que están de

Juan Carlos Mayo Alegre; Luis Manuel Pérez Proenza; Saadia Noemí Reyes Benítez; Néstor Alberto Loredo Carballo

2011-01-01

326

Estudo de Filmes Poliméricos contendo os Silanos ?-UPS e VS como Passivantes em Superfícies Galvanizadas e Eletrodepósitos de Ligas Zn\\/Fe e Zn\\/Co  

Microsoft Academic Search

Zinc excellent ability to protect steel make galvanized (HDG) and zinc electroplated (ED) steels very useful materials in the automotive and construction industries. Galvanized and zinc electroplated steels need, however, to be protected against corrosive environments by organic coating (painting). In order to improve the adherence between the systems Zn\\/coating a chromium plating pre-treatment has been used. However, due to

M. C. G. dos Santos; M. E. P Souza; I. V. P. Yoshida; M. Ballester; C. M. A Freire; R. Landers

327

CHERIAN'S BIVARIATE GAMMA DISTRIBUTION AS A MODEL FOR DROUGHT DATA LA DISTRIBUCIÓN GAMA BIVARIADA DE CHERIAN COMO UN MODELO PARA DATOS DE SEQUÍA  

Microsoft Academic Search

Models for drought are of primary importance for the agricultural sciences. In this note, a drought application is described by deriving the exact distribution of W=X\\/(X+Y) and the corresponding moment properties when X and Y follow Cherian's bivariate gamma distribution. Drought data from the State of Nebraska are used.

Saralees Nadarajah; Arjun K. Gupta

328

Una Vez en un Millón de Años: Como Enseñar el Tiempo Geológico  

NSDL National Science Digital Library

Helping students understand the magnitude of geologic time strengthens student understanding of biological concepts; illustrates not just when things happened but also how they are interconnected; and identifies and addresses common misperceptions.

Susan Lewis (Carroll University;); Kristen Lampe (Carroll University;); Andrew Lloyd (Carroll University;)

2009-10-05

329

La utilización de la borra del café como substrato de base para el cultivo de Pleurotus ostreatus (Jacq.:Fr.) Kummer  

Microsoft Academic Search

Studies were carried out to screen the industrial strain HK35 of Pleurotus ostreatus for its ability to develop fruiting bodies in solid state cultivation using several substrates containing 17.8 to 55% of coffee spent ground. Our results showed that only 55% of coffee spent ground was used in the substrate without detecting changes in fruiting body or on its biological

Daniel Job

330

Baja Incidencia de Taquicardia Auricular por Macro-Reentrada luego de la Ablación de Fibrilación Auricular Usando como Guía Potenciales Auriculares Fraccionados en Ritmo Sinusal  

Microsoft Academic Search

Resumen La ablación de fibrilación auricular puede resultar pro-arrítmica. Las taquicardias auriculares por macro-reentrada han sido reportadas hasta en 1\\/3 de los pacientes que son sometidos a ablación de fibrilación auricular. Métodos y Resultados: En el presente trabajo se utilizo un abordaje electrofisiológico para eliminar potenciales auriculares izquierdos fraccionados durante ritmo sinusal, sin la intención de crear líneas de bloqueo.

Javier E. Banchs; Erica Penny-Peterson; Soraya Samii; Deborah L. Wolbrette; Gerald V. Naccarelli; Mario D. Gonzalez

2009-01-01

331

Proteinas Foliares de Cultivos Perennes, Como Alternativa para Incrementar la Productividad Agricola (Foliar Proteines of Perennial Crops as an Alternative to Increase Agricultural Productivity).  

National Technical Information Service (NTIS)

This paper projects a new farming technology, related to the utilization and cultivation of lavatera assurgentiflora. This is a perennial plant, resistent to droughts, freezing, adequate to temperate areas, with a good output in the production of leaves. ...

R. A. Munoz

1980-01-01

332

Simulacion de Temblores como Procesos Estocasticos No Estacionarios (Simulation of Accelerograms as Sample Functions of a Non-Stationary Stochastic Process).  

National Technical Information Service (NTIS)

A procedure for the simulation of accelerograms as sample functions of a non-stationary stochastic process is presented. The frequency content and the amplitude of motion are both considered as evolutionary. The spectral density of the acceleration is rep...

S. Ruiz A. Arias H. Sandoval

1981-01-01

333

Un acercamiento a la aplicación de la teoría de las inteligencias múltiples (IM) en la clase de inglés como idioma extranjero en el contexto universitario cubano  

Microsoft Academic Search

El desarrollo de habilidades relacionadas con el discurso oral es una de las prioridades de los estudiantes de lenguas extranjeras. La mayoría de las veces, la destreza en la comunicación verbal es lo que mide el conocimiento del alumno de la lengua extranjera (LE) o la segunda lengua (L2) que se está aprendiendo. Hay muchas razones por lo que las

Daniel Cima de Mesa; Adrian Abreus González

2011-01-01

334

El manejo de la fibra en el confinamiento de terneros como alternativa de alimentación invernal Feedlot as an alternative for calf winter feeding: fibre management  

Microsoft Academic Search

This experiment evaluated, under feedlot management the effect of two strategies of concentrate feeding (daily vs. self-feeder), two ways of feeding the roughage (in a total mixed ration or separately), and two levels of roughage (restricted or ad libitum). Forty eight Hereford male calves (149.9?20.2 kg, 8 month old) were randomly allotted to each treatment (78 days), receiving a diet

O Bentancur; M Lagreca

335

Video game as a preoperative warm-up for laparoscopic surgery Jogo de video game como aquecimento pré-operatório para cirurgia laparoscópica  

Microsoft Academic Search

Objective: The aim of the present study was to assess the influence of video game as warm-up before dry-lab laparoscopic activities. Methods: Eleven medical students participated in this prospective randomized crossover study. Students were divided into two groups. Students in Group 1 had to execute an interrupted suture with the dominant hand using a standardized technique (non-video game group). Students

Fernando Korkes; Marcelo Langer Wroclawski; Alessandro Tavares; Oseas de Castro-Neves Neto; Marcos Tobias-Machado; Antonio Carlos; Lima Pompeo; Eric Roger Wroclawski

2009-01-01

336

Building Your Baby's Brain: A Parent's Guide to the First Five Years = Como estimular el cerebro infantil: Una guia para padres de familia.  

ERIC Educational Resources Information Center

|Noting that all parents can help their baby's brain to grow, this guide, in English- and Spanish-language versions, explores what science has learned about infant brain development and how parents and caregivers can influence cognitive development. Topics covered include: prenatal care, touching your baby, teaching about feelings and…

Dodge, Diane Trister; Heroman, Cate

337

Como evalvar la actuacion del profesor en una clase de segundo idioma (How to Evaluate a Teacher in a Second Language Classroom).  

ERIC Educational Resources Information Center

|This guide in Spanish provides performance criteria for evaluating the foreign language teacher. It provides an outline for analyzing the teacher's actions and teaching methods in the classroom. Through the evaluation by an outsider, the teacher can learn his or her faults in the views of others and can improve on them. The aspects to be analyzed…

Galvez de Bracamonte, Teresa

338

Avaliacao do uso da radiacao ionizante como tratamento quarentenario em Tefritideos (Diptera). (Evaluation of ionizing radiation as quarantine treatment in Tephritidae (Diptera)).  

National Technical Information Service (NTIS)

Gamma irradiation was used to treat: eggs at different ages of C. capitata, third instar larvae of C. capitata, A. fraterculus and A. obliqua, papayas infested with a known number of C. capitata eggs; papayas and mangoes with C. capitata and A. fraterculu...

A. L. Anjos Duarte

1991-01-01

339

RE-TARGETING EXPRESSIVE MUSICAL STYLE USING A MACHINE LEARNING METHOD TEMPLATES FOR DAFX-09, COMO, ITALY TEMPLATES FOR DAFX04, NAPLES, ITALY  

Microsoft Academic Search

Expressive musical performing style involves more than what is simply represented on the score. Performers imprint their per- sonal style on each performances based on their musical under- standing. Expressive musical performing style makes the music come alive by shaping the music through continuous variation. It is observed that the musical style can be represented by appropri- ate numerical parameters,

Simon Lui; Andrew Horner

340

"Como que No Puedo!" Strategies for the Recruitment and Retention of Hispanic Females into Mathematics and Science Post-Secondary Programs and Careers.  

ERIC Educational Resources Information Center

The economic growth of the nation is dependent upon the inclusion of minority and underrepresented groups in science, engineering, mathematics, and technology-related careers. This report especially addresses those barriers encountered by Latina students preparing to enter scientific and technical careers. The paper summarizes the research…

Ramirez, Reynaldo, Jr.; Laurel, Elva G.; Rodriguez-Aguilar, Celvia

341

Cobaias como modelo para teste de vacinas inativadas contra o herpesvírus bovino tipo 1 e o vírus da diarréia viral bovina  

Microsoft Academic Search

The present study reports the use of guinea pigs as a model to study the immunogenicity of bovine herpesvirus type 1 (BoHV-1) and bovine viral diarrhea virus (BVDV) inactivated vaccines. To this purpose, guinea pigs (60) and calves (10) were immunized twice with a 28 day interval with an experimental vaccine containing antigens of both viruses and tested for virus

Letícia Frizzo da Silva; Diego Gustavo Diel; Maria do Carmo Cilento; Rudi Weiblen; Eduardo Furtado Flores

2007-01-01

342

Análisis de dos poblaciones de gallinas criollas (Gallus domesticus) utilizando RAPDs como marcadores moleculares An analysis of two native poultry populations (Gallus domesticus) using RAPD's as molecular markers  

Microsoft Academic Search

México has a great variety of native poultry but knowledge about its diversity is minimal. In this study, twenty individuals belonging to two populations of native hens (Gallus domesticus) were analyzed. They were chosen by egg production, through polymorphism identification generated by DNA random amplification (RAPD's). Amplification generated products show different sizes between 0.2 to 1.1 kb. Polymorphism was detected

Irma Morelia Soto Huipe; Guadalupe Zavala Páramoa; Horacio Cano Camacho; Joel E. López Meza

343

ESTUDO COMPARATIVO DE RETALHOS TUBULARES DE PELE DE RATOS COM DOIS TIPOS DE CATETER COMO MOLDE COMPARATIVE STUDY OF TUBULARIZED SKIN FLAPS OF RATS WITH TWO CATHETER TYPES  

Microsoft Academic Search

RESUMO: Objetivo: A tubulização de retalhos de pele é um artifício técnico muito empregado na correção de hipospádias. Existem controvérsias quanto aos riscos e benefícios do uso de sondas para moldar a neo-uretra e promover a derivação urinária. O objet ivo deste trabalho é avaliar o processo inflamatório, a fibrose e a circunferência interna de retalhos tubulares, em pele de

Fernando Costa; Lúcio Tedesco Marchese

344

How To Talk to Your Teens and Children about AIDS = Como hablar con sus adolescentes y sus ninos sobre el SIDA.  

ERIC Educational Resources Information Center

|Two brochures, one in English and one in Spanish, provide parents with basic information that will enable them to educate their children about Acquired Immune Deficiency Syndrome (AIDS). Contents address 11 questions: (1) What is AIDS? (2) How do you get AIDS? (3) How is AIDS not spread? (4) Who can get AIDS? (5) How can you tell if someone has…

National PTA, Chicago, IL.

345

Alumina supported Co-Mo oxides as a catalyst for hydrodesulphurisation of organic sulfides and disulphides using stopped flow gas chromatography  

SciTech Connect

The authors present a model study on the hydrodesulphurization of dimethyl sulphide, di n-prophyl sulphide, di n-butyl sulphide and dimethyl disulphide on Co-Mo-Al/sub 2/O/sub 3/ surface conducted using stopped-flow chromatographic technique. The plots for the rates of hydrocarbon formation agree well with the first order reaction at the surface of the catalyst.

Ali, L.H.; Sulaiman, S.T.; AlTamer, M.Y. (Chemistry Dept. College of Science, Univ. of Mosul (IQ))

1989-01-01

346

Me escuchas? Como conversar con ninos de cuatro a doce anos (Are You Listening to Me? Communicating with Children from Four to Twelve Years Old).  

ERIC Educational Resources Information Center

Although talking to children is a daily activity for almost everyone at some stage in one's life and an essential activity for professionals who work with children, there is little research on activity. This Spanish-language book describes communication with children between the ages of 4 and 12 years, focusing on open question-and-answer sessions…

Delfos, Martine F.

347

Cidadania Negada: A Educacao como Instrumento de Combate a Pobreza no Brasil (Denial of Citizenship: Education as a Way to Fight Poverty in Brazil).  

ERIC Educational Resources Information Center

|Compares two compensatory social/educational programs developed by the Brazilian government in the last 15 years. States that although one was formulated during the military regime and one during the present government, they both combat poverty and encourage privatization. Concludes that this promotes a process that sees education as social…

Germano, Jose Willington

1995-01-01

348

Gallinaza: un residual avícola como fuente alternativa de nutrientes para producción de biomasa microalgal Chicken manure: poultry waste as an alternative nutrient source for microalgal biomass production  

Microsoft Academic Search

Chicken manure can be used as an alternative nutrient source for microalgal cultures, providing usable algal biomass as an end-product. This study was aimed at assessing the effect of chicken manure soluble fraction (CMSF) at three different concentrations (6, 18 and 36%) on Chroomonas sp. marine microalgae and Chlorella sorokiniana freshwater microalgae growth, pigment and protein production. Non-biode- graded CMSF

Néstor Rosales Loaiza; José Bermúdez; Reyna Moronta; Ever Morales

349

Sound in ecclesiastical spaces in Cordoba. Architectural projects incorporating acoustic methodology (El sonido del espacio eclesial en Cordoba. El proyecto arquitectonico como procedimiento acustico)  

NASA Astrophysics Data System (ADS)

This thesis is concerned with the acoustic analysis of ecclesiastical spaces, and the subsequent implementation of acoustic design methodology in architectural renovations. One begins with an adequate architectural design of specific elements (shape, materials, and textures), with the intention of elimination of acoustic deficiencies that are common in such spaces. These are those deficiencies that impair good speech intelligibility and good musical audibility. The investigation is limited to churches in the province of Cordoba and to churches built after the reconquest of Spain (1236) and up until the 18th century. Selected churches are those that have undergone architectural renovations to adapt them to new uses or to make them more suitable for liturgical use. The thesis attempts to summarize the acoustic analyses and the acoustical solutions that have been implemented. The results are presented in a manner that should be useful for the adoption of a model for the functional renovation of ecclesiastical spaces. Such would allow those involved in architectural projects to specify the nature of the sound, even though somewhat intangible, within the ecclesiastical space. Thesis advisors: Jaime Navarro and Juan J. Sendra Copies of this thesis written in Spanish may be obtained by contacting the advisor, Jaime Navarro, E.T.S. de Arquitectura de Sevilla, Dpto. de Construcciones Arquitectonicas I, Av. Reina Mercedes, 2, 41012 Sevilla, Spain. E-mail address: jnavarro@us.es

Suarez, Rafael

2003-11-01

350

A comparison between diversity, similarity and biotic indices applied to the macroinvertebrate community of a small stream: the Ravella river (Como Province, Northern Italy)  

Microsoft Academic Search

This study aimed at comparing the results obtained by processing a series of data according to several diversity indices (Simpson, Berger-Parker, Margalef, Menhinick, McIntosh, Shannon) and one similarity index (Jaccard) with those obtained from two biotic indices (Trent River Biotic Index, Extended Biotic Index). In addition, Cody's index was adopted to measure the species turnover along the stream gradient. The

Oscar Ravera

2001-01-01

351

DISOLUCIÓN DE SÍLICE BIOGÉNICA EN SEDIMENTOS DE LAGOS UTILIZADOS COMO BIOINDICADORES DE CALIDAD DEL AGUA SILICA BIOGENIC DISSOLUTION IN SEDIMENT OF LAKES, LIKE OF WATER QUALITY BIOINDICATORS  

Microsoft Academic Search

The objective of this work is to show that the amorphous silica dissolution of biogenic origin (diatoms and phytolithes) is a bioindicator of quality of the water of lakes, validating itself with the determination of parameters physical- chemical. The determination of diatoms and phytolithes was made on sediment cores of the Chapala Lake, Mexico. The diatoms and phytolithes separated were

Isabel Israde

2007-01-01

352

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

353

Mapeamento da cobertura natural e uso da terra como subsidio ao estudo da dinâmica e ocupação do Estado do Tocantins entre 1990 e 2007  

Microsoft Academic Search

In the Amazon Region large areas of savannas and forests have been changing in pasture and agriculture that modify the environment resulting in environmental and economic problems. The Tocantins state has climatics and physicals features common with Amazon and the Brazil Central Region and it is a transiction zone. On the purpose of study the dynamic of coverage and land

Marco Aurélio Barros

354

UTILIZAÇÃO DA FARINHA DE BABAÇU COMO EXTENSOR ALTERNATIVO NA PRODUÇÃO DE PAINÉIS COMPENSADOS USE OF BABAÇU FLOUR WITH ALTERNATIVE EXTENDER FOR P LYWOOD MANUFACTURING  

Microsoft Academic Search

This work aims at evaluating the potentiality of ba baçu flour under differents percents (0%, 50%, 75%, and 100%) as alternative extensers to wheatmeal for plywood manufacturing. Third three panels wit h five veneers were produced using Araucaria angustifolia (Bert.) Ktze, with urea-formaldehyde - UF and phenol-formaldehyde - FF resins and being three panels per treatment. The following formulations (in

Érika da Silva Ferreira; Edvá Oliveira Brito; Setsuo Iwakiri; Silviana Rosso; Cesar Batista

2009-01-01

355

Tips for Parents on Keeping Children Drug Free = Consejos para Los Padres Sobre Como Mantener a Los Hijos Libres de La Droga.  

ERIC Educational Resources Information Center

|Research shows that recent trends in youth drug use have stabilized; however, the rates of use remain at high levels. It has been shown that the earlier drug use is initiated, the more likely a person is to develop drug problems later in life. Youth substance abuse may lead to many other problems that affect not only the child, but also the…

Department of Education, Washington, DC. Office of Intergovernmental and Interagency Affairs.

356

Tips for Parents on Keeping Children Drug Free = Consejos para Los Padres Sobre Como Mantener a Los Hijos Libres de La Droga.  

ERIC Educational Resources Information Center

Research shows that recent trends in youth drug use have stabilized; however, the rates of use remain at high levels. It has been shown that the earlier drug use is initiated, the more likely a person is to develop drug problems later in life. Youth substance abuse may lead to many other problems that affect not only the child, but also the…

Department of Education, Washington, DC. Office of Intergovernmental and Interagency Affairs.

357

How do experts recognize schizophrenia: the role of the disorganization symptom Como os especialistas reconhecem a esquizofrenia: o papel do sintoma desorganização  

Microsoft Academic Search

Objective: Research on clinical reasoning has been useful in developing expert systems. These tools are based on Artificial Intelligence techniques which assist the physician in the diagnosis of complex diseases. The development of these systems is based on a cognitive model extracted through the identification of the clinical reasoning patterns applied by experts within the clinical decision-making context. This study

Denise Razzouk; Jair de Jesus Mari; Itiro Shirakawa; Jacques Wainer; Daniel Sigulem

2006-01-01

358

Studying the Jovian System with small telescopes  

NASA Astrophysics Data System (ADS)

We describe a learning activity performed at the Aula Espazio Gela UPV/EHU in which students of the Master of Space Science and Technology study the Jovian System (Jupiter and satellites) and deduce some of its parameters using their own images obtained with telescopes ranging from 11 to 20 inch in diameter by means of the lucky-imaging technique.

Sanchez-Lavega, Agustin; del Rio Gaztelurrutia, T.; Hueso, R.

2013-10-01

359

Groupware Technology for Cooperative Learning via the Internet  

Microsoft Academic Search

To take advantage of the numerous new resources for teaching\\/learning provided by t he Internet, teachers should understand technologies that normally are not part of their fields. To get around this, they can use the AulaNet environment, which manages the learners' navigation through the educational content and offers integrated communication, coordination and cooperation services that can be used in the

Hugo Fuks; Marco Aurélio Gerosa; Carlos José Pereira De Lucena

2002-01-01

360

Using a groupware technology to implement cooperative learning via the Internet - a case study  

Microsoft Academic Search

The Internet presents numerous new resources for teaching\\/learning. Despite this, it also brings many difficulties. To get around some of them, the AulaNet environment was developed in such a way that teachers could concern themselves about producing educational content while the environment manages the learners' navigation for them. Moreover, the environment offers integrated communication, coordination and cooperation services that can

Hugo Fuks; Marco Aurélio Gerosa; Carlos José Pereira de Lucena

2002-01-01

361

The Development and Application of Distance Learning Courses on the Internet  

Microsoft Academic Search

This paper presents the methodology, results and difficulties encountered in the development and delivery of a course through the Internet. The course, which is about the application of information technology to education, is being delivered using the AulaNet environment, which is groupware for the creation, participation and maintenance of Web- based courses. A model for group work is provided. This

HUGO FUKS; MARCO AURÉLIO GEROSA

2002-01-01

362

La pizarra digital y sus posibilidades en el mundo educativo  

Microsoft Academic Search

Nuevos aprendizajes y nuevas mentes, llevan consigo la necesidad de profundizar en la metodología a la hora de innovar y de aplicar las nuevas tecnologías en el aula. La inquietud de un grupo cada vez más numeroso de profesores, junto a las tímidas aproximaciones de las diversas administraciones a la hora de dotar a los centros con nuevas tecnologías, hace

Ramón Domenech

2007-01-01

363

Maths teachers in multicultural classes: Findings from a Southern European project1  

Microsoft Academic Search

Resumo Confrontados com um número cada vez maior de imigrantes ou alunos de outras culturas nas suas salas de aula, muitos professores de matemática têm de lidar com uma situação didáctica totalmente nova. A investigação que está a ser realizada em três países, Itália, Portugal e Espanha, tem evidenciado resultados interessantes no que se refere às concepções, atitudes, estratégias e

Franco Favilli; Margarida César; M. L. Oliveras

364

Language programs at Villababel High: rethinking ideologies of social inclusion  

Microsoft Academic Search

This article explores language ideologies underlying two language programs implemented in one secondary school in Madrid (Spain). The Spanish for newcomers immersion program (Aula de Enlace) is aimed at immigrant origin students who do not know or have a poor command of Spanish; and the Spanish–English bilingual program targets students from different cultural and national backgrounds with a good command

Laura Mijares; Ana M. Relaño Pastor

2011-01-01

365

Petronius' Satyricon as Evidence for Doctrines of 'Taste' in the Age of Nero  

Microsoft Academic Search

The purpose of this dissertation is to provide a critical analysis and evaluation of the Satyricon of Petronius, by placing it in its historical, literary, and artistic context. Neronian taste therefore becomes the unifying theme around which the chapters are organized. Chapter One immerses Petronius within the cultural pursuits of Nero's aula, while Chapter Two pursues the question of court

Ana Victoria Soady

1979-01-01

366

PETRONIUS' \\  

Microsoft Academic Search

The purpose of this dissertation is to provide a critical analysis and evaluation of the Satyricon of Petronius, by placing it in its historical, literary, and artistic context. Neronian taste therefore becomes the unifying theme around which the chapters are organized. Chapter One immerses Petronius within the cultural pursuits of Nero's aula, while Chapter Two pursues the question of court

ANA VICTORIA SOADY

1979-01-01

367

Modelos cosmologicos tipo Bianchi I, II, VIII, IX e Kantowski-Sachs com fluido perfeito e campos eletromagneticos com corrente de condutividade. (Bianchi - I, II, VIII, IX and Kantowski-Sachs-like cosmological models with perfect fluid and electromagnetic fields with conductivity current).  

National Technical Information Service (NTIS)

Three processes of solutions of the Einstein-Maxwell equations for Bianchi - I, II, VIII, IX and Kantowski-Sachs-like cosmological models with perfect fluid in magnetohydrolodynamical regimem are presented. Diagonal Bianchi-like models are considered with...

R. Portugal

1984-01-01

368

Protección contra babesiosis bovina con una vacuna mixta de Babesia bovis y Babesia bigemina derivada de cultivo in vitro bajo una confrontación de campo. Inmunización en un área libre de la enfermedad Protection against bovine babesiosis with a mixed in vitro culture-derived Babesia bovis and Babesia bigemina vaccine under field challenge. Immunization in a disease-free area  

Microsoft Academic Search

In Mexico, there is an attenuated live vaccine against bovine babesiosis that has been shown to confer protection to susceptible cattle immunized and challenged under controlled conditions. Immunized cattle survive a challenge using known numbers of virulent parasites of both Babesia bovis and Babesia bigemina. However, stress-inducing field situations such as transportation or tick-transmitted infection have not been taken into

Germinal Jorge; Cantó Alarcón; Jesús Antonio; Álvarez Martínez; Edmundo Enrique; Rojas Ramírez; Juan Alberto Ramos Aragón; Juan Joel Mosqueda Gualito; Carlos Agustín Vega; Julio Vicente; Figueroa Millán

2003-01-01

370

Geracao de Feixes de Eletrons em Movimento Ciclotronico e Sua Interacao Com Campos Eletromagneticos em Cavidades Fracamente Irregulares: Um Estudo Aplicado a Elaboracao Conceitual de Um Girotron de 35 GHz (Generation of Electron Beams in Cyclotron Motion and Its Interaction with Electromagnetic Fields in Weakly Irregular Cavities: An Applied Study and Conceptual Design of a 35 GHz Gyrotron).  

National Technical Information Service (NTIS)

An investigation is presented for different phenomena that occur in a gyrotron: (1) generation and transport of helical electron beams; (2) interaction of electrons in cyclotron motion with a transverse electric mode in resonant cavities operating near cu...

J. J. Barrosodecastro

1988-01-01

371

Regulation of Short-Term Interest Rates through Monetary Action (Régulation des taux d'intérêt à court terme par l'action monétaire) (Regulación de las tasas de interés a plazo mediante la intervenció en el campo monetario)  

Microsoft Academic Search

La libéralisation croissante des mouvements de capitaux internationaux et la progression de l'intégration économique ont mis en lumière le problème de la prévention des trop grandes différences de taux d'intérêt à court terme entre pays à marchés monétaires développés. L'avantage d'un tel contrôle est déterminé, en partie, par l'aptitude des autorités monétaires à intervenir facilement et à bref délai en

William H. White

1963-01-01

372

Phenology of pea crop (Pisum sativum L. var. Santa Isabel) in the Bogotá plateau at open field and under plastic cover Fenología del cultivo de arveja (Pisum sativum L. var. Santa Isabel) en la sabana de Bogotá en campo abierto y bajo cubierta plástica  

Microsoft Academic Search

The assessment of environment effects on plant development is important to identify suitable zones and schedule crop production. In this research, plant development of pea (Pisum sativum L. var. Santa Isabel) was evaluated under Bogotá flat highland, Colombia, environmental conditions (2640 m over sea level, 14°C, 80% R.H., rainfall of 800 mm\\/year). Two experiments were done under plastic cover (21°C

Julio Ricardo; Galindo Pacheco; Jairo Clavijo Porras

2009-01-01

373

Ricostruzione del campo di vento mediante modello 'mass consistent' e simulazione della dispersione di inquinanti passivi sul terreno complesso e superficie disomogenea. (Wind field modelling: Mass consistent model and simulation of atmospheric dispersion of passive pollutants over complex terrain and heterogeneous surfaces).  

National Technical Information Service (NTIS)

Numerical modeling techniques are applied to study the atmospheric dispersion of passive pollutant over complex terrain. A code uses the winds provided by a diagnostic wind model utilizing terrain following coordinates, to advect and diffuse the effluent....

M. Busuoli G. Zanini

1993-01-01

374

Efeito do campo magnetico planar sobre as propriedades de transporte eletrico na heterojuncao n-AlGaAs/GaAs e medidas de fotoluminescencia em amostras de GaAs. (Effect of planar magnetic field on electron transport properties of n-AlGaAs/GaAs heterojunction and photoluminescence measures in GaAs samples).  

National Technical Information Service (NTIS)

The effects of magnetic fields applied parallel to the interface of an heterojunction n-Al Ga As is studied. A qualitative analysis has shown that this field modifies the Fermi surface of the two dimensional electron gas (2 DEG) confined on the heterojunc...

A. R. Alves

1991-01-01

375

Grupos españoles de cálculos ab initio de moléculas de interés astrofísico  

NASA Astrophysics Data System (ADS)

Pocos campos de la química están tan bien adaptados a la modelización por medio de los métodos teóricos de la Química Cuántica como la Astroquímica y la Química de la Atmósfera, donde las interacciones moleculares son, generalmente, lo suficientemente pequeñas para que el modelo de molécula aislada funcione muy bien. En España son varios los grupos teóricos que dedican su esfuerzo de investigación, o parte de él, al estudio de moléculas o procesos de interés en Astrofísica o en atmósferas planetarias. Presentaremos diferentes ejemplos paradigmáticos de esta actividad en la que se exploran desde aspectos estructurales, hasta aspectos espectroscópicos y dinámicos. Entre los últimos, cabe destacar estudios en los que se demuestra la importancia de procesos a dos estados, prohibidos por espín, en la formación astrofísica de diversos derivados de interés. En el tratamiento espectroscópico se han hecho esfuerzos interesantes, que han aunado teoría y experimento, en el estudio de sistemas relevantes desde el punto de vista atmosférico, como los hidratos de ácido nítrico, o el tratamiento espectroscópico de moléculas no rígidas. No menos interesantes son los estudios de fotoabsorción de radicales o de procesos multifotónicos. Son particularmente abundantes los estudios dedicados a la reactividad específica de sistemas de interés astrofísico o atmosférico, con el objetivo de esclarecer vías de formación de determinados compuestos o de proporcionar mecanismos que permitan identificar las etapas reactivas limitantes de reacciones de interés en esos medios y sobre los que no existía información previa. Así, por ejemplo, se han publicado interesantes estudios sobre la formación o propiedades de compuestos de fósforo, de silico o de azufre o sobre mecanismos de reacción en los que intervienen el ozono, el radical nitrato, el radical OH u otras especies. Finalmente, son también particularmente relevantes los estudios que varios grupos españoles han llevado, y siguen llevando a cabo, sobre sistemas débilmente enlazados, como complejos de Van der Waals o complejos por enlace de hidrógeno, que sin duda juegan un papel importante tanto en medios atmosféricos como interestelares.

Yáñez, M.

376

Comunicação como instrumento de humanização do cuidado de enfermagem: experiências em unidade de terapia intensiva Communication as a tool of humanization of nursing care: experiences in intensive care unit Comunicación como instrumento de humanización de la atención de enfermería: experiencias en la unidad de cuidados intensivos  

Microsoft Academic Search

The present study appears up to the questioning involving the relevance of the communication as instrument to humanizing the nursing care at the Intensive Therapy Unit (ITU). The objective is to know how the patients noticed the communication process implemented by the nursing staff into that ambient and identifying which are their perceptions about the received cares done by the

Edison Luiz Devos Barlem; Valéria Lerch Lunardi; Wilson Danilo; Lunardi Filho

377

MONOCLONAL ANTIBODIES AS A TOOL FOR STUDYING THE PROTEIN-STRUCTURE RELATIONSHIP IN FISH MYOSIN ANTICUERPOS MONOCLONALES COMO HERRAMIENTA PARA EL ESTUDIO DE LA RELACIÓN PROTEÍNA-ESTRUCTURA EN MIOSINA DE PEZ ANTICORPOS MONOCLONAIS COMO FERRAMENTA PARA O ESTUDO DA RELACIÓN PROTEÍNA-ESTRUCTURA EN MIOSINA DE PEIXE  

Microsoft Academic Search

Fish muscle protein presents unique properties such as reduced frozen storage stability and setting phenomena. Both two are associated with myosin interactions and are highly dependent on fish specie. Although protein functional properties are highly correlated with amino acid sequence and with distinct structural domains, it is very difficult to determine this relationship for fish myosin, due to its high

J. A. Ramírez; E. Bandman; M. Wick; M. O. Martín-Polo

1998-01-01

378

EL CUIDADO DE SÍ DE LA EMBARAZADA DIABÉTICA COMO UNA VIA PARA ASEGURAR UN HIJO SANO SELF-CARE OF DIABETIC PREGNANT WOMEN, A WAY OF ENSURING A HEALTHY BABY O CUIDADO DE SI DE GESTANTES DIABÉTICAS COMO UM CAMINHO PARA ASSEGURAR UM FILHO SAUDÁVEL  

Microsoft Academic Search

This focused ethnography explored the beliefs, values, habits and behavioral patterns of diabetic pregnant women who were treated in Hospital Doutor Enrique Tejera, residents of three poor, urban communities in the city of Valencia, Venezuela. The purpose of this study was to find the meaning of self-care for these pregnant women. The Health Analysis, the Theory of Diversity, and the

Carmen Amarilis; Guerra de Castillo; Marta Lucía Vásquez

2006-01-01

379

Pseudomonas aeruginosa COMO CAUSA DE OTITE EXTERNA EM CÃES E VERIFICAÇÃO DO PADRÃO DE SENSIBILIDADE DAS AMOSTRAS ISOLADAS Pseudomonas aeruginosa AS A CAUSE OF EXTERNAL OTITIS IN DOGS AND VERIFICATION OF ANTIMICROBIAL SUSCEPTIBILITY PATTERN OF THE ISOLATES Pseudomonas aeruginosa COMO CAUSA DE OTITIS EXTERNA EN PERROS Y VERIFICACIÓN DEL PATRÓN DE SENSIBILIDAD DE LAS CEPAS A ANTIMICROBIANOS  

Microsoft Academic Search

Samples from 374 cases of external otitis in dogs were analysed by bacteriology, showing Pseudomonas aeruginosa as the main Gram negative aetiological agent, in 39 clinical diseases. Results of antimicrobial susceptibility tests revealed predominantly resistance to betalactamic antibiotics.

Marília SCARTEZZINI; SILVA JÚNIOR

380

Estudio de los intercambios de calor y masa entre un invernadero considerado como colector de aire humedo y un lecho de rocas como sistema de control ambiental. (Study on heat and mass transfer between a greenhouse considered as a solar air heater and a rock packed bed as ambient control system).  

National Technical Information Service (NTIS)

A general study on heat transfer in dry packed beds is made, with special emphasis in comparing different transient models and in identifying the required conditions by which the attained results are equivalent. The differences in thermal behaviour on pac...

J. I. Ajona Maeztu

1990-01-01

381

Estudio de los intercambios de calor y masa entre un invernadero considerado como colector solar de aire humedo y un lecho de rocas como sistema de control ambiental. (Study on heat and mass transfer between a greenhouse considered as a solar air heater and a rock packed bed as ambient control system).  

National Technical Information Service (NTIS)

A general study on heat transfer in dry packed beds is made, with special emphasis in comparing different transient models and in identifying the required conditions by which the attained results are equivalent. The differences in thermal behaviour on pac...

J. I. Ajona Maeztu

1990-01-01

382

Estudio de la fotoabsorción y fotoionización de la molécula de alta relevancia atmosférica no a través de los estados Rydberg con la metodología MQDO  

NASA Astrophysics Data System (ADS)

Los procesos de fotoionización son de una importancia fundamental [1] y encuentran aplicación en un gran número de contextos científicos: Astrofísica [2], química de las radiaciones, biología. Los investigadores de dichos campos, necesitan de valores de fiables de secciones eficaces para la fotoionización parcial, la Fotoabsorción, así como para los procesos de fotofragmentación en amplios intervalos espectrales, particularmente en estudios de modelización [3-5]. En este trabajo se ha centrado la atención sobre el oxido nítrico, que se ha considerado apropiado y relevante por varios motivos: por el trascendental papel que representa en la física y química de la alta atmosfera [6], aparte de por estar íntimamente relacionado con los problemas de contaminación. Los procesos de recombinación disociativa [7] del NO, donde los estados Rydberg se encuentran directamente implicados, son relevantes, por ejemplo, en las regiones E y F de la ionosfera [7]. En este trabajo se estudia la fotoionización del NO desde el estado fundamental con la versión molecular del método del orbital de defecto cuántico (MQDO). Para ello se calcula el diferencial de las fuerzas de oscilador parciales que constituyen los canales de fotoionización del NO desde el estado fundamental. La continuidad del diferencial de fuerza de oscilador calculada a través del umbral de fotoionización, esto es, en las regiones del espectro discreta y del continua, se adopta como criterio de calidad la escasez de datos comparativos [8].

Bustos, E.; Velasco, A. M.; Martín, I.; Lavín, C.

383

Evolución Dinámica de Cúmulos Estelares Abiertos  

NASA Astrophysics Data System (ADS)

Las estrellas que observamos no se formaron aisladamente, sino que lo hicieron en grupos o cúmulos. Estos sistemas estelares recibenel nombre de cúmulos estelares abiertos o galácticos cuando están constituidos por estrellas de la Población I. Los cúmulos abiertos se localizan preferentemente en el plano galáctico, y en muchos de ellos está teniendo lugar aún una activa formación estelar. El propósito principal de esta tesis doctoral es el estudio de la evolución dinámica de estos sistemas estelares por medio de simulaciones numéricas y de la comparación de sus resultados con datos observacionales. Con este fin se analizan los efectos que, sobre la dinámica de los cúmulos, ejercen varios fenómenos de interés astrofísico tales como el campo gravitatorio galáctico, la pérdida de masa causada por la evolución estelar y la presencia de binarias primordiales. En este trabajo se presentan los resultados de más de un centenar de modelos de cúmulos, con poblaciones comprendidas en el intervalo [100, 10.000] estrellas, calculados con NBODY5, un programa estándar en el campo de la Dinámica Estelar Experimental. De los mismos se deduce que el mecanismo principal que rige la dinámica de los cúmulos abiertos es la evolución estelar de su distribución de masas, encontrándose un comportamiento diferencial fuertemente dependiente de la población inicial del cúmulo. Los mecanismos responsables de la desintegración de los cúmulos abiertos son analizados en detalle, proponiéndose un modelo analítico que ajusta razonablemente los resultados de las simulaciones. Además, y con el fin de explicar el elevado número de sistemas múltiples observados en cúmulos abiertos, se estudian los efectos que, sobre los mismos, ejerce la presencia de una cierta fracción de binarias primordiales. El papel de las binarias tambiín depende de la riqueza del cúmulo y sus efectos se interrelacionan con aquellos debidos a la evolución estelar. Por último, se aborda la posibilidad de construir diagramas de Hertzsprung-Russell teóricos a partir de las simulaciones y compararlos con datos procedentes de cúmulos abiertos reales.

de La Fuente Marcos, R.

384

MAKING GOOD USE OF AULAWEB IN COMPUTER SCIENCE LEARNING TEACHING  

Microsoft Academic Search

The main purpose of this work is to describe the use of a web-based training environment as a facility to assist undergraduate students of engineering to learn computer science subjects and to practice computer programming techniques. Furthermore, this paper presents the pedagogical methodology and the results drawn from this experience. AulaWeb is a WWW-based interactive e- learning system which assists

Ángel García-Beltrán; Raquel Martínez; José-Alberto Jaén; Santiago Tapia; José-María Arranz

385

Quality control method to measure predator evasion in wild and mass-reared Mediterranean fruit flies (Diptera: Tephritidae)  

SciTech Connect

Sterile male insects, mass-reared and released as part of sterile insect technique (SIT) programs, must survive long enough in the field to mature sexually and compete effectively with wild males for wild females. An often reported problem in Mediterranean fruit fly (medfly) Ceratitis capitata (Wiedemann) SIT programs is that numbers of released sterile males decrease rapidly in the field for various reasons, including losses to different types of predators. This is a serious issue in view that most operational programs release sterile flies at an age when they are still immature. Previous field and field-cage tests have confirmed that flies of laboratory strains are less able to evade predators than wild flies. Such tests involve, however, considerable manipulation and observation of predators and are therefore not suitable for routine measurements of predator evasion. Here we describe a simple quality control method with aspirators to measure agility in medflies and show that this parameter is related to the capacity of flies to evade predators. Although further standardization of the test is necessary to allow more accurate inter-strain comparisons, results confirm the relevance of measuring predator evasion in mass-reared medfly strains. Besides being a measure of this sterile male quality parameter, the described method could be used for the systematic selection of strains with a higher capacity for predator evasion. (author) [Spanish] Insectos machos esteriles criados en forma masiva para ser liberados en programas que utilizan la tecnica del insecto esteril (TIE), tienen que tener la capacidad de sobrevivir en el campo el tiempo necesario para poder madurar sexualmente y competir efectivamente con los machos silvestres por hembras silvestres. Un problema frecuentemente reportado por dichos programas de la mosca del Mediterraneo, Ceratitis capitata (Wiedemann), es que el numero de machos esteriles de laboratorio liberados en el campo, decrecen rapidamente por varias razones, incluyendo perdidas debidas a diferentes tipos de depredadores. Estudios anteriores conducidos en el campo, y en jaulas de campo, han confirmado que las cepas de machos de laboratorio tienen menos capacidad de evadir depredadores que los machos silvestres. Estos estudios involucran, sin embargo, una considerable cantidad de manipulacion y observacion de depredadores, por lo que no son adecuados para ser usados como medidas rutinarias en los programas de cria masiva. Aqui describimos un metodo sencillo de control de calidad usando aspiradores para medir agilidad en la mosca del Mediterraneo y mostramos que este parametro esta relacionado a la capacidad de la moscas a evadir a depredadores. Aunque aun es necesario refinar la estandarizacion de este metodo para permitir la comparacion entre cepas, los resultados confirman la importancia de tener un metodo rutinario para medir la capacidad de evasion de depredadores en cepas de cria de laboratorio de la mosca del Mediterraneo. Ademas de medir este parametro de control de calidad de los machos esteriles, el metodo descrito podria tambien ser usado para la seleccion sistematica de cepas con una mayor capacidad de evasion de depredadores. (author)

Hendrichs, M. [Department for Conservation Biology, Vegetation and Landscape Ecology, University of Vienna, Althanstrasse 14, A-1090 Vienna (Austria); Wornoayporn, V.; Hendrichs, J. [Joint FAO/IAEA Programme of Nuclear Techniques in Food and Agriculture, International Atomic Energy Agency, Wagramerstrasse 5, P.O. Box 100, A-1400 Vienna (Austria); Katsoyannos, B. [Laboratory of Applied Zoology and Parasitology, Department of Agriculture, Aristotle University of Thessaloniki, 541 24 Thessaloniki (Greece)

2007-03-15

386

EROTISMO E PREVENÇÃO DE DST\\/AIDS ENTRE OS ADOLESCENTES. COMO ATUAM OS MEIOS DE COMUNICAÇÃO? EROTICISM AND PREVENTION OF SEXUAL TRANSMITTED DISEASE AMONG TEENAGERS. HOW MEDIA IS ACTING?  

Microsoft Academic Search

Introduction: the participation of the media in people lives, especially the young, is increasing in frequency and intensity but we have no knowledge about what type of information in eroticism and prevention of sexually transmitted disease (STD) is been transmitted to our adolescents. Objective: evaluate the real load of information about eroticism and prevention of STD\\/Aids. Methods: in an epidemiologic

Glauco R Mello; Gustavo Castro; Claudete Reggiani; Newton S Carvalho

387

LA FAMILIA COMO CONTEXTO DE DESARROLLO INFANTIL. DIMENSIONES DE ANÁLISIS RELEVANTES PARA LA INTERVENCIÓN EDUCATIVA Y SOCIAL FAMILY AS CONTEXT OF CHILD DEVELOPMENT. MAIN COMPONENTS TO EDUCATIONAL AND SOCIAL INTERVENTION  

Microsoft Academic Search

This essay proposes lines of action for professionals in the field of educational and social intervention with families. Firstly, we discuss the importance of the role of families for child development. We also analyse the main dimensions of family context and its relevance for child development: parentsideas about the development and upbringing of their children, affective relations, family socialization, settings

ALICIA MUÑOZ SILVA

388

Learning & Growing Together: Understanding and Supporting Your Child's Development = Aprender y crecer juntos: Como comprender y fomentar el desarrollo de sus hijos [with] Tip Sheets: Ideas for Professionals in Programs That Serve Young Children and Their Families.  

ERIC Educational Resources Information Center

Based on the view that the primary caregivers for infants and toddlers are their own best resource for understanding and caring for their child and that parenting is a lifelong learning process, this book provides information and tools to help caregivers build a strong foundation for their child's development. The book, both in English and…

Lerner, Claire; Dombro, Amy Laura; Powers, Stefanie

389

Como ayudar a su hijo durante los primeros anos de la adolescencia: Para los padres con ninos entre las edades de 10 a 14 anos (Helping Your Child through Early Adolescence: For Parents of Children from 10 through 14).  

ERIC Educational Resources Information Center

|Recognizing that parents and families can greatly influence the development of their 10- through 14-year-olds, this Spanish-language booklet is part of a national effort to provide parents with the latest research and practical information to help them support their children both at home and in school. The booklet is organized in 13 sections…

Paulu, Nancy

390

DESENVOLVIMENTO DE UMA NOVA LINHA DE AÇOS INOXIDÁVEIS DUPLEX OU COMO O NITROGÊNIO PODE REDUZIR O TEOR DE NÍQUEL, MELHORANDO SIMULTANEAMENTE A RESISTÊNCIA À CORROSÃO E PROPRIEDADES MECÂNICAS DOS AÇOS INOXIDÁVEIS  

Microsoft Academic Search

Austenitic stainless steels are widely used for a large number of applications. However when a high corrosion resistance is required the increase in the level of Ni and Mo has a strong impact in the final price of the material. Ferritic stainless steels are normally nickel free and represent a good alternative for applications when the corrosion environment is moderate

Marc Mantel; Eric Chauveau; Antonio S. Viana; Jerome Peultier; Sophie Jacques

391

EL CHILE JALAPEÑO EN QUINTANA ROO MÉXICO: COMO SE CULTIVA Y OPORTUNIDADES DE INVESTIGACIÓN THE CHILI JALAPEÑO IN QUINTANA ROO MEXICO: AS IT IS CULTIVATED AND OPPORTUNITIES OF INVESTIGATION  

Microsoft Academic Search

SUMMARY After 25 years of cultivation jalapeño pepper has had to face a variable and complex problem to stay in the pleasure of the producers and market. This situation bears to diagnosis of the crop in order to recognize the agronomic handling which is practiced by the producers. These finding largely explain the low yield of the jalapeño pepper and

Ángel García Sandoval; Raymundo Nava Padilla

392

AVALIAÇÃO DA PRODUÇÃO DE Pleurotus sajor-caju (FR.) SINGER UTILIZANDO RESÍDUO DO BENEFICIAMENT O TÊXTIL DO ALGODÃO COMO SUBSTRA TO* Evaluation of the production of Pleurotus sajor-caju in cotton textille mill waste  

Microsoft Academic Search

The experiment was conducted to investigate the viability of the production of the edible fungus Pleurotus sajor-caju (Fr.) Singer in substrates in which main source of carbon was the cotton textille mill waste. Two substrates compositions were tested: C1 (cotton textille mill waste, wheat bran, plaster and limestone) and C2 (cotton textille mill waste, wheat bran, bean straw, plaster and

Ana Luisa; Aguiar de Castro; Paulo César; Aguiar Paiva; Vera Lúcia Banys

393

Learning & Growing Together: Understanding and Supporting Your Child's Development = Aprender y crecer juntos: Como comprender y fomentar el desarrollo de sus hijos [with] Tip Sheets: Ideas for Professionals in Programs That Serve Young Children and Their Families.  

ERIC Educational Resources Information Center

|Based on the view that the primary caregivers for infants and toddlers are their own best resource for understanding and caring for their child and that parenting is a lifelong learning process, this book provides information and tools to help caregivers build a strong foundation for their child's development. The book, both in English and…

Lerner, Claire; Dombro, Amy Laura; Powers, Stefanie

394

Determinacao de uranilo utilizando como reagente complexante piridilazoresorcinol pela tecnica voltametrica adsortiva com redissolucao catodica. (Uranyl determination using pyridylazoresorcinol as complexing active by adsorptive voltametry technique with cathodic redissolution).  

National Technical Information Service (NTIS)

The development method for uranyl ion determination by the optimization of chemical reaction and instrumental parameters is shown. This method is based on preconcentration stage, where in adsorptive accumulation of metallic complex in a static electrode i...

A. K. Ohara P. A. M. Farias

1990-01-01

395

The role of two acidophilic algae as ecological indicators of acid mine drainage sites El papel de dos algas acidófi las como indicadores ecológicos de zonas de drenajes ácidos de minas  

Microsoft Academic Search

Acidic effl uents, emerging from four abandoned mines (Valdarcas, Carris, Adoria and Cerquido) in Northern Portugal were ana- lyzed regarding physical-chemical, mineralogical and ecological characteristics. Such effl uents present distinct properties since they were mobilized from wastes of different primary ores and mining procedures. Results show that acidophilic algal colonization is dominated by Euglena mutabilis and Klebsormidium sp.. Abundance and

T. M. Valente; C. L. Gomes

396

Limitações na Prática de Exercício Físico como Fator Desencadeante da Obesidade na População de Baixa Renda Limitations in Exertion as a Starting Factor for Obesity in Low Income Population  

Microsoft Academic Search

Obesity is nowadays considered a world epidemic which assaults mainly low income populations, and one of its main causes is sedentarism. However, those individuals have limitations for exertion, which favors obesity development and makes its treatment more difficult. This work aims to comprehend limitations of low income population access to physical exercises practice as part of an obesity treatment. The

Nívea Veiga Almeida; População de Baixa Rend

397

ALTERAÇÕES LIGNO-ANATÔMICAS EM Solanum gilo Raddi POR APLICAÇÃO DE CÁLCIO E BORO COMO ESTRATÉGIA DE DEFESA Ligno-anatomical alteration in Solanum gilo Raddi for the calcium and boron application as defense strategy  

Microsoft Academic Search

Normally woody plants present high lignin content, even overcoming 35% from dry weight. Such values are almost found in arboreal plants. However, young plants or plants with lower growth form than tree show low lignin content. In this term, current levels of lignification could be increased by exogenous factor of stimulation. There are complex enzymatic systems responsible for the lignin

Adriana Firmino; Heber dos Santos Abreu; Ana Cristina; P. Portugal; Alexandre Miguel; Evandro Lima de Souza; Regina Paula; Willemen Pereira; Maria Beatriz de Oliveira Monteiro

398

Como ayudar a su hijo durante la edad preescolar, con actividades para los ninos desde el nacimiento hasta los 5 anos (Helping Your Preschool Child, with Activities for Children from Infancy through Age 5).  

ERIC Educational Resources Information Center

|The first 5 yeas of a child's life are a time of tremendous physical, emotional, social, and cognitive growth. Noting that research shows that children are more likely to succeed in learning when their families actively support them, this Spanish-language booklet is intended for families and caregivers who want to help their preschool children…

Department of Education, Washington, DC. Office of Intergovernmental and Interagency Affairs.

399

Aplicacion de tecnicas de fosfatacion sobre acero al carbon y aluminio, utilizando como agente oxidante la nitroguanidina. (Application of phosphating techniques to aluminium and carbon steel surfaces using nitro guanidine as oxidizing agent.).  

National Technical Information Service (NTIS)

Phosphate coatings are inorganic crystalline deposits laid down uniformly on properly prepared surfaces by a chemical reaction with the treated base metal. The reaction consists in dissolving some surface metal by acid attack and then causing surface neut...

S. A. Briseno

1995-01-01

400

EVALUACIÓN DE LA CALIDAD NUTRICIONAL DE LA HARINA DE PLUMAS FERMENTADAS POR Kocuria rosea COMO FUENTE ALTERNATIVA DE PROTEÍNAS EN LA ALIMENTACIÓN DE AVES Nutritional Evaluation of Kocuria rosea Fermented Feather Meal as an Alternative Protein Source in Poultry Feed  

Microsoft Academic Search

In this research project the nutritional value of fermented feath- ers meal using Kocuria rosea was compared with commercial feathers meal. Experiments were carried out to determine the physical-chemical composition, amino-acids, protein digestibil- ity and metabolic energy value in each of the feeds. The re- sults showed that the fermented product beyond the fat (4.6%) and mineral (15.6%) content, mainly

Annalisse Bertsch; Ramón Álvarez; Nereida Coello

2003-01-01

401

Como ayudar a su hijo durante la edad preescolar, con actividades para los ninos desde el nacimiento hasta los 5 anos (Helping Your Preschool Child, with Activities for Children from Infancy through Age 5).  

ERIC Educational Resources Information Center

The first 5 yeas of a child's life are a time of tremendous physical, emotional, social, and cognitive growth. Noting that research shows that children are more likely to succeed in learning when their families actively support them, this Spanish-language booklet is intended for families and caregivers who want to help their preschool children…

Department of Education, Washington, DC. Office of Intergovernmental and Interagency Affairs.

402

Coping with Social Change: Programs That Work. Proceedings of a Conference (Acapulco, Mexico, June 1989) = Como enfrentarse al cambio social: programas eficaces. Actas de uno Conferencia (Acapulco, Mexico, Junio de 1989).  

ERIC Educational Resources Information Center

|Written in English and Spanish, this document contains the proceedings of the 14th International Congress of Gerontology on concerns about the impact of rapid social change on the well-being of older women and families in Latin American and the Caribbean and about effective programs that address the needs of the older populations. The first…

Hoskins, Irene, Ed.

403

BACTÉRIAS ENDOFÍTICAS COMO AGENTES PROMOT ORES DO CRESCIMENT O DE PLANT AS DE TOMATEIRO E DE INIBIÇÃO IN VITRO DE Ralstonia solanacearum 1 Endophytic bacteria as agents of plant growth promotion in tomato and inhibition in vitro of Ralstonia solanacearum  

Microsoft Academic Search

Out of one hundred and fifty isolates of endophytic bacteria from leaves, stems and roots of healthy tomatoes (Solanum lycopersicum L.), fifty three showed ability to promote tomato plant growth, among these, ten isolates UFV-E17, UFV-E22, UFV- E25, UFV-E26, UFV-E27, Bacillus cereus (UFV-E29), UFV-E49, UFLA 06-LS, UFLA 08-LS and UFLA 11-LS, provided the largest plant growth promotion. Weekly assessment of

Patrícia Baston Barretti; Ricardo Magela de Souza; Edson Ampélio Pozza

404

Un estudio de evaluacion educativa manipulativos en el aprendizaje de las matematicas con estudiantes hispanos adquiriendo ingles academico como segunda lengua (A Study of the Use of Manipulatives in the Assessment of Mathematics Instruction with ESL Hispanic Students).  

ERIC Educational Resources Information Center

|As an alternative form of mathematics assessment for use with limited-English-proficient students, 14 mathematics tasks using manipulatives were administered to 45 Hispanic students in grades 1-3 and readministered 2-3 weeks later. Test reliability and validity, task difficulty, and the relationship among test subscales across grades were…

Lara-Alecio, Rafael; Parker, Richard; Aviles, Claudia; Mason, Samantha; Irby, Beverly J.

1998-01-01

405

Como Promover el Exito de las Ninas y las Minorias en las Ciencias y en las Matematicas. Para Padres/sobre Padres (How To Promote the Science and Mathematics Achievement of Females and Minorities. For Parents/about Parents).  

ERIC Educational Resources Information Center

|Some minority and female students traditionally have not been given the help they need to enroll and succeed in mathematics and science classes. Now, however, various approaches are available to give these students the extra attention they need. Parents can help children develop an interest in science and mathematics by: (1) identifying role…

Schwartz, Wendy

406

Credit versus Money as an Instrument of Control (Avantages du crédit sur la monnaie en tant qu'instrument de contrôle) (Crédito vs. dinero como instrumento de control)  

Microsoft Academic Search

The purpose of the paper is to determine the appropriate considerations for the choice of a monetary control variable when the balance of payments is a key policy objective. These considerations naturally vary with the frame of reference of the analysis. Postwar monetary theory, however, generally has been based on the assumption of a closed economy; the policy conclusions that

Manuel Guitian

1973-01-01

407

Análisis de la utilidad del Clinical Risk Index for Babies por estratos de peso como predictor de muerte hospitalaria y de hemorragia intraventricular grave en la Red Neonatal Española SEN 1500  

Microsoft Academic Search

ObjectiveTo evaluate the usefulness of the Clinical Risk Index for Babies (CRIB) in predicting hospital mortality and severe intraventricular hemorrhage (IVH) in very low birth weight infants stratified by weight groups, in the Spanish neonatal network SEN 1500.

J. M. Guzmán Cabañas; M. J. Párraga Quiles; N. del Prado; M. D. Ruíz; M. García del Río; F. Benito Zaballo; C. Fernández; J. Figueras Aloy

2009-01-01

408

Correlation between thiophene hydrodesulfurization activity and the number of first sulfur neighbors as determined by EXAFS in sulfided CoMo/. gamma. -Al/sub 2/O/sub 3/ samples  

SciTech Connect

Two sets of samples were prepared. The first series involved wetness impregnation of AL/sub 2/O/sub 3/ powder with ammonium heptamolybdate solution, resulting in 7.7% Mo loading after drying. Subsequent impregnations with varying concentrations of Co(NO/sub 3/)/sub 2/ solutions produced a series with varying Co but Ca constant Mo level. The second series was prepared by bulk impregnation of Al/sub 2/O/sub 3/ pellets, using the same impregnating substances. The samples were sulfided and reduced in 2% H/sub 2/S/H/sub 2/ for various periods of time at 500-500 K. The catalysts were then tested for thiophene hydrodesulfurization (HDS) in a fixed bed reactor at 573 K and atmospheric pressure. The nominal turnover rate increased with additions of Co up to ..cap alpha.. = .33 (..cap alpha.. is the atomic ratio Co/Co + Mo) and further increase in Co concentration decreased the rate of HDS. X-ray absorption spectroscopy was performed at ambient temperature with these samples and confirmed these results.

Boudart, M.; Arrieta, J.S.; Betta, R.D.

1983-10-19

409

Como ayudar a su hijo a tener exito en la escuela, con actividades para ninos entre las edades de 5 a 11 anos (Helping Your Child Succeed in School, with Activities for Children Ages 5 through 11).  

ERIC Educational Resources Information Center

|At the heart of the No Child Left Behind Act of 2001 is a promise to raise standards for all children and to help all children meet those standards. This Spanish-language booklet provides information that parents can use to help their child succeed in school. Following an introduction, the second section of the booklet, "The Basics," offers…

Paulu, Nancy

410

What Makes a Good Teacher? Children Speak Their Minds=Qu'est-ce qu'un bon maitre? Les enfants ouvrent leur coeur=Como debe ser un buen maestro? Los ninos opinan.  

ERIC Educational Resources Information Center

This booklet is a product of the UNESCO Associated Schools Project, a network of some 3,800 schools in 131 countries, which conducts pilot projects to promote education for peace, international understanding, and cooperation. Schools taking part in the project participated in an international contest asking for spontaneous reactions to the…

Khawajkie, Elizabeth, Ed.; And Others

411

El compostaje como tecnologia para el tratamiento de residuos: compostaje de bagazo de sorgo dulce con diferentes fuentes nitrogenadas. (Composting as a waste treatment technology: composting of sweet sorghum bagasse with different nitrogen sources).  

National Technical Information Service (NTIS)

The purpose of this work is to study aerobic solid fermentation of sweet sorghum bagasse in mixture with other additives as nitrogen sources to evaluate the utilization of this material as a substrate for composting. The characteristics of sweet sorghum b...

J. Vicente J. E. Carrasco M. J. Negro

1996-01-01

412

Valor nutritivo de la harina de lombriz ( Eisenia foetida) como fuente de aminoácidos y su estimación cuantitativa mediante cromatografía en fase reversa (HPLC) y derivatización precolumna con o-ftalaldehído (OPA)  

Microsoft Academic Search

Earthworms (Eisenia foetida) are of nutritional interest since they are a rich source of protein (> 60% w\\/w). The aim of this work was to determine amino acid content in proteins from samples of earthworm flour. The amino acids were separated by reversed phase high performance liquid chromatography and detected through molecular fluorescence subsequent to derivatization with o-phthalaldehyde. The accuracy

VIELMA-RONDÓN R; OVALLES-DURÁN JF

413

COMO O COMPORTAMENTO DAS ABELHAS NA FLOR DO MORANGUEIRO (Fragaria ananassa Duchesne) INFLUENCIA A FORMAÇÃO DOS FRUTOS? HOW BEE BEHAVIOR ON STRAWBERRY FLOWER (Fragaria ananassa Duchesne) CAN INFLUENCE FRUIT DEVELOPMENT?  

Microsoft Academic Search

RESUMO: Para avaliar o efeito do comportamento de três espécies de abelhas na polinização e produção de morangos, flores primárias dos cultivares Oso Grande (OS) e Sweet Charlie (SC) foram expostas a diferentes tratamentos de polinização: OS - uma e quatro visitas por Trigona spinipes (Apidae), uma visita por Dialictus sp (Halictidae) e quatro visitas mistas (Apis mellifera e T.

Kátia Sampaio MALAGODI-BRAGA

414

EVALUACIÓN DE CINCO DOSIS DE APLICACIÓN DE CENIZA DE CASCARILLA DE ARROZ COMO FUENTE DE SILICIO Y COMPLEMENTO A LA FERTILIZACIÓN CON FÓSFORO Y POTASIO EN EL CULTIVO DE ARROZ (Oryza sativa L.) VARIEDAD F-50  

Microsoft Academic Search

In Ecuador, the rice's crop is barely considered the contribution of silicon (Si) in the fertilization in spite that this nutrient is absorbed in big quantities by the gramineous. This work was made with the objective of studying different dose of silicon using as source the ash of husk of rice besides different levels of phosphorate (P) and potassium (K)

Livinsgthone Andrade Barragán; Arturo Alvarez

415

INFORMAÇÃO TÉCNICA COMO SUBSÍDIO À P&D: CASO DA TECNOLOGIA DE LIGAS COM MEMÓRIA DE FORMA 1 TECHNICAL INFORMATION AS SUBSIDE TO P&D: CASE OF SHAPE MEMORY ALLOYS TECHNOLOGY  

Microsoft Academic Search

The objective of this paper is to present a group of technical information obtained in in Internet accessible databases survey. These information can be used by researches and managers to identify the state-of- the-art in a specific technological field in order to be aware of the latest development; what are being researched and in which areas; by which countries, instituitions

Cristina Gomes de Souza; Juliana Hoyer Insaurrauld

416

Os Esportes Coletivos e Individuais como Meios de Desenvolvimento das Inteligências Múltiplas: Um Estudo com Escolares (Group and Individuals Sports as a Way Developing Multiple Intelligence a Study with Students)  

Microsoft Academic Search

This project involves Bachelors degree in Languages, in Physical Education. We sought to develop a Group of the Studies and Search in Leisure - GEPEL. Had as objective the different intelligences termed Multipl e Intelligence by Gardner (1994), which manifest in people differently and can be wel l developed benefiting their human and social development. In this project, the most

José Carlos de Almeida; Luciene F. Silva; Jorge Luiz Justino; Andrade Cotrim; Claudia B. Ferreira Lima; Pedro A. B. de Oliveira; Vanessa Rocha Mathias; Tiago Agostinho Leal

417

Evaluacion de la radiacion ionizante como tratamiento de control cuarentenario de la falsa aranita de la vid (Brevipalpus chilensis Baker). (Evaluation of ionizing radiation applied to quarantine control of the false grape mite).  

National Technical Information Service (NTIS)

The objectives of this study were to evaluate effect of three dosages of ionizing radiation in combination with cold storage (0-2(sup 0) C), and the effect of cold storage without irradiation, establishing time curves for eclosion of eggs and mortality of...

Y. Jadue C. A. Vargas

1994-01-01

418

Nível de Atividade Física como Estimador da Aptidão Física de Estudantes Universitários: Explorando a Adoção de Questionário Através de Modelagem Linear Physical Activity and Fitness in College Studients: Exploring Adoption of a Questionnaire by Linear Modeling  

Microsoft Academic Search

Classification of Physical Activity Level (PAL) is currently considered as a controversial issue inside Sport Science. The aim of study was verify the uses of an adapted questionnaire to classify PAL. The cross-serial essay was developed, taking PAL as independent variable and physical fitness as dependent. A population of 290 medical college freshmen was studied during three consecutive years by

Marcelo Conte; Aguinaldo Gonçalves; Liciana Vaz de Arruda

419

Como ayudar a su hijo a tener exito en la escuela, con actividades para ninos entre las edades de 5 a 11 anos (Helping Your Child Succeed in School, with Activities for Children Ages 5 through 11).  

ERIC Educational Resources Information Center

At the heart of the No Child Left Behind Act of 2001 is a promise to raise standards for all children and to help all children meet those standards. This Spanish-language booklet provides information that parents can use to help their child succeed in school. Following an introduction, the second section of the booklet, "The Basics," offers…

Paulu, Nancy

420

A Guide for Reading: How Parents Can Help Their Children Be Ready To Read and Ready To Learn = Guia Para Leer: Como los padres pueden preparar a sus hijos a leer y aprender desde la infancia.  

ERIC Educational Resources Information Center

|As part of the White House Initiative on Educational Excellence for Hispanic Americans, this brochure (in English and Spanish) provides a guide to assist parents in helping their children become ready to read and to learn. The suggestions include: (1) talking to infants/toddlers to help them learn to speak and understand the meaning of words; (2)…

White House Initiative on Educational Excellence for Hispanic Americans, Washington, DC.

421

Uso da prótese vertical expansível de titânio para costela (VEPTR) como opção na instrumentação sem fusão para tratamento da escoliose neuromuscular The vertical expandable prosthetic titanium rib device (VEPTR) as option in spine instrumentation without arthrodesis in the treatment of neuromuscular scoliosis Uso de la prótesis vertical expansible de titanio para costilla (VEPTR como opción en la instrumentación sin fusión para tratamiento de la escoliosis neuromuscular  

Microsoft Academic Search

Objective: report results of vertical expandable prosthetic titanium ribs (VEPTR) surgery in the treatment of neuromuscular scoliosis without spinal fusion. Methods: a total of 17 patients (mean age 8 years; 3 to 13 years) with neuromuscular scoliosis exceeding 40° of scoliosis measured using the Cobb method and presenting a Risser grade of 1 and 2 before VEPTR surgery. The degree

Élcio Landim; Paulo Tadeu; Maia Cavali; Marcus Alexandre; Mello Santos; Wagner Pasqualini; Rodrigo Castello; Branco Manhães

422

Mapa Geologico de Venezuela a Escala 1:750,000  

USGS Publications Warehouse

Se presenta un mapa geologico digital de Venezuela sobre un fondo de relieve sombreado. Los datos geologicos e hidrologicos del norte del rio Orinoco proceden de la digitalizacion de mapas geologicos en papel a escala 1:500.000. Estos datos fueron integrados con el mapa geologico digital del Escudo de Guayana Venezolano, a su vez derivado de hojas en papel a escala 1:500.000. La informacion sobre los tipos de fallas mostrados en el mapa es igual que en las fuentes originales. Los poligonos geologicos fueron atribuidos por edad, litologia y nombre de la unidad siguiendo el Codigo geologico de Venezuela. Se incorporaron revisiones significativas de la geologia de la Cordillera de la Costa a partir de las nuevas hojas integradas a escala 1:25.000. Toda esta informacion geologico-estructural se sobrepuso a una imagen de relieve sombreado, producida por el procesamiento de los datos de radar interferometrico con 90 m (3 arcosegundos) de resolucion espacial obtenidos por la mision topografica de radar del transbordador espacial (SRTM). Las areas de la base de datos del SRTM carentes de informacion fueron llenadas por medio de la interpolacion de los datos de las celdas adyacentes. Para producir la imagen de relieve sombreado se uso una direccion de iluminacion de 315 deg con un angulo de 65 deg sobre el horizonte. La proyeccion usada en el mapa es conica equidistante, con latitudes de 4 y 9 deg norte como paralelos estandar y una longitud de 66 deg al oeste como meridiano central. Los datos en el mapa proceden primordialment de hojas a escala 1:500.000 y el producto esta preparado para una impresion optima en escala 1:750.000. Los usuarios pueden obtener ampliaciones mayores, sin embargo no se garantiza la precision del mapa a escalas mas detalladas. Especialmente en la region de Guayana, al sobreponer los mapas geologicos sobre la reciente imagen SRTM, se notan grandes discrepancias no sistematicas tanto en contactos como en fallas. Esto es debido a que los mapas geologicos de Guayana tienen como base topografica las imagenes de radar de vision lateral (SLAR), con muy control de campo de los a?os 1970's. La correccion de estos desfases esta planificada para el futuro.

Hackley, Paul C.; Urbani, Franco; Karlsen, Alex W.; Garrity, Christopher P.

2006-01-01

423

VIII Olimpíada Brasileira de Astronomia e Astronáutica  

NASA Astrophysics Data System (ADS)

Neste trabalho apresentamos as motivações pelas quais organizamos, em conjunto, pela primeira vez, a Olimpíada Brasileira de Astronomia incluindo a Astronáutica, em colaboração com a Agência Espacial Brasileira. Esta ampliação contribuiu para atrair ainda mais alunos, professores, escolas e patrocinadores para participarem desta Olimpíada. Em 2005 participaram da VIII Olimpíada Brasileira de Astronomia e Astronáutica (VIII OBA) 187.726 alunos distribuídos por 3.229 escolas, pertencentes a todos os estados brasileiros, incluindo o Distrito Federal. O crescimento em número de alunos participantes foi 52,4% maior do que em 2004. Em abril de 2005 organizamos, em Itapecerica da Serra, SP, um curso para os 50 alunos previamente selecionados e participantes da VII OBA e ao final selecionamos, dentre eles, uma equipe de 5 alunos, os quais representaram o Brasil na X Olimpíada Internacional de Astronomia, na China, em outubro de 2005. Ganhamos, pela primeira vez, uma medalha de ouro naquele evento. Em Agosto de 2005, organizamos a VIII Escola de Agosto para 50 alunos e respectivos professores, em Águas de Lindóia, SP, juntamente com a XXXI reunião anual da Sociedade Astronômica Brasileira (SAB). Em novembro de 2005 realizamos a I Jornada Espacial, em São José dos Campos, com 22 alunos e 22 professores selecionados dentre os participantes que melhores resultados obtiveram nas questões de Astronáutica da VIII OBA. Neste trabalho detalhamos os resultados da VIII OBA bem como as ações subseqüentes.

Garcia Canalle, João Batista; Villas da Rocha, Jaime Fernando; Wuensche de Souza, Carlos Alexandre; Pereira Ortiz, Roberto; Aguilera, Nuricel Villalonga; Padilha, Maria De Fátima Catta Preta; Pessoa Filho, José Bezerra; Soares Rodrigues, Ivette Maria

2007-07-01

424

Fisica a escala de Planck usando o principio de incerteza generalizado: efeitos nas flutuações primordiais e buracos negros  

NASA Astrophysics Data System (ADS)

Em escalas proximas à escala de Planck todas as teorias perturbativas de cordas produzem essenciamente a mesma relação de conmutação entre as coordenadas e impulsos (a chamada "álgebra deformada"), permitindo assim estudar a física resultante independentemente dos detalhes da teoria de cordas que seja considerada correta. Este resultado completamente geral, que inclui as interações gravitacionais junto com o resto dos campos pode ser considerada uma versão generalizada (GUP) do Princípio de Incerteza de Heisenberg. Aplicamos neste trabalho essas relações de conmutação para dois sistemas físicos bem definidos: buracos negros de massas próximas à massa de Planck, e flutuações quânticas em pequenas escalas antes do universo sofrer inflação. Obtemos dois resultados concretos dos efeitos do GUP : o primeiro é que o GUP impede a evaporação completa de buracos negros microscópicos na extensão do formalismo semiclássico, deixando assim remanescentes de pequena massa que já foram postulados como candidatos a matéria escura. O segundo resultado é o 'smoothing' das flutuações primordiais em pequenas escalas que levariam à produção de buracos negros primordiais após a inflação, impedindo assim a produção abundante destes últimos e predizendo abundancias atuais bem menores do que os limites disponíveis. Concluimos que, analogamente a utilização do Princípio de Incerteza de Heisenberg para estudar e determinar propriedades fundamentais das interações sem gravitação, o GUP e uma ferramenta poderosa para estudar uma ampla variedade de sistemas trans-Planckianos e predizer seu comportamento dispensando cálculos mais detalhados proprios da teoria quântica da gravitação.

Horvath, J. E.; Custódio, P. S.

2003-08-01

425

Un modelo general de eyección de materia estelar  

NASA Astrophysics Data System (ADS)

Posiblemente, la más directa y dramática evidencia de la pérdida de masa por parte de diferentes objetos astrofísicos la constituye el fenómeno de eyección persistente de materia. En el caso particular de las estrellas, las características y los mecanismos que impulsan a sus atmósferas externas hacia el medio interestelar varían a lo largo del diagrama evolutivo. En parte por este motivo, en parte por las dificultades matemáticas involucradas, es muy difícil elaborar un modelo que pueda dar cuenta de los diferentes mecanismos que originan e impulsan el viento estelar. Cabe entonces preguntarse si es posible desarrollar un único modelo en el que estos mecanismos puedan ser considerados (y variados) como parámetros externos que responden a las características de cada región de la secuencia evolutiva. La respuesta es que, en función de la geometría del campo electromagnético involucrado, todo depende de la simetría del problema. En este trabajo se presenta el análisis detallado de una de tales simetrías, discutiendo en particular los resultados obtenidos a la luz de las observaciones disponibles.

Rotstein, N. O.

426

Precessão do jato de 3C120: simulações hidrodinâmicas 3D  

NASA Astrophysics Data System (ADS)

Observações com técnicas de interferometria com longa linha de base têm mostrado a existência de um jato relativístico com componentes superluminais na região central de 3C 120. Estas componentes são ejetadas em distintas direções no plano do céu e com diferentes velocidades aparentes. Estas características foram interpretadas em trabalhos anteriores como efeitos da precessão do jato relativístico. Neste trabalho, realizamos simulações tri-dimensionais do jato de 3C 120 utilizando os parâmetros de precessão determinados em trabalhos anteriores e variando as características iniciais do jato e meio ambiente, tais como densidade numérica e temperatura. Todas as simulações foram feitas com o código hidrodinâmico YGUAZÚ-A, assumindo-se um jato adiabático descrito por uma equação de estado relativística. Pelo fato de estarmos utilizando um código hidrodinâmico, nós assumimos que a intensidade do campo magnético e a distribuição de partículas, necessários para se calcular a emissão sincrotron, são proporcionais à pressão hidrodinâmica. Comparação entre dois cenários distintos, nos quais o material do jato é ejetado com velocidade constante (jato contínuo) e com velocidade modulada por um padrão sinusoidal no tempo (jato intermitente), é apresentada e discutida. Para jatos que apresentam fenômenos de precessão e intermitência, com amplitude de variação na velocidade de injeção maior que dez por cento da velocidade média de injeção, a hipótese balística, controlada pela intermitencia, é mais provável. Por outro lado, para jatos com precessão mas sem intermitência (ou com amplitude de variabilidade em velocidade mais baixa que no caso anterior), o efeito da precessão na morfologia do jato não é desprezível. Portanto, de um modo geral, ambos efeitos (precessão e movimentos balísticos) devem estar concorrendo para afetar a morfologia dos jatos superluminais.

Caproni, A.; de Gouveia dal Pino, E. M.; Abraham, Z.; Raga, A. C.

2003-08-01

427

ESPRESSIONE DELLE PROTEASI NEGLI STADI LARVALI IV DI OSMIA CORNUTA EVIDENZIATA MEDIANTE ZIMOGRAFIA PROTEINASES PATTERN CHANGES IN OSMIA CORNUTA IV INSTAR LARVAE INVESTIGATED BY ZYMOGRAPHY  

Microsoft Academic Search

RIASSUNTO L'allevamento in pieno campo di Osmia cornuta è ancora necessario a causa della man- canza di informazioni sui meccanismi molecolari che regolano la nutrizione di tali apoidei. Lo scopo di questo studio è stato quello di dare un contributo nella descrizione della varia- zione del pattern proteasico così da dirottare, in parte, le strategie di allevamento in pieno campo

ELENA DONADIO; ETTORE BALESTRERI; MAURO PINZAUTI; ANTONIO FELICIOLI

428

Concepções de profissionais de educação e saúde sobre Educação Inclusiva: reflexões para uma prática transformadora Conceptions of education and health professionals on Inclusive Education: reflections for transforming practices Concepciones de los profesionales de la educación y de salud acerca de la Educación Inclusiva: reflexiones para prácticas transformadoras  

Microsoft Academic Search

RESumo: A Inclusão de pessoas com deficiências tem sido tema de discussões e estudos, particularmente no campo da Educação, frente à realidade legal que garante a essa parcela da população o direito de freqüentar escolas regulares, independente de suas peculiaridades. Para a melhor compreensão desse campo, delineia-se essa pesquisa, que teve por objetivo apreender concepções de educação inclusiva de profissionais

Celina Camargo Bartalotti; Renata Zaghetto de Almeida; Cristiane Yonezaki; Mariana Custódio Manoel; Vanessa do Nascimento; Mariana Guedes de Carvalho; Marina Bradaschia Correa; Ana Paulo; F. O. Alvarez

429

Increased efficacy of an adenovirus-vectored foot-and-mouth disease capsid subunit vaccine expressing nonstructural protein 2B is associated with a specific T cell response  

Technology Transfer Automated Retrieval System (TEKTRAN)

We previously demonstrated that an adenovirus-based FMDV serotype A24 subunit vaccine, Ad5-A24, expressed under the control of a cytomegalovirus promoter (CMV) can protect swine and bovines against homologous challenge, but swine vaccinated with an Ad5-vectored FMDV O1 Campos vaccine, Ad5-O1Campos (...

430

Aplicações de Microscopia Eletrônica de Varredura (MEV) e Sistema de Energia Dispersiva (EDS) no Estudo de Gemas: exemplos brasileiros  

Microsoft Academic Search

This paper presents results of SEM and EDS study in some Brazilian gemstones. Emerald from Campos Verdes (GO) contains several mineral inclusions as talc, dolomite, chromite, pyrite, magnetite, etc. Sylvite crystals was firstly identified by SEM\\/EDS. These salt inclusions suggest percolation of K-bearing fluids during emerald crystallization. Emerald from Campos Verdes present higher concentration of Cr +3 in the outer

LAUREN DA CUNHA DUARTE; PEDRO LUIZ JUCHEM; GÊNOVA MARIA PULZ; TÂNIA MARA MARTINI DE BRUM; NELSON CHODUR; ANTÔNIO LICCARDO; ADRIANE COMIN FISCHER; ROBERTA BONATTO ACAUAN

431

Political symbols and political transitions  

Microsoft Academic Search

Política, Derecho y Psicología son campos que confluyen en la dimensión de lo simbólico. Este texto encuentra el sostén en los tres campos para desarrollar un análisis de los símbolos políticos y las transiciones. El recorrido del análisis discurre a través de tres etapas. En la primera se expone sucintamente el concepto de transición y su significado. En la segunda

Miguel Herrero de Miñón; Consejo de Estado

2006-01-01

432

La declaración de Guerra en el Ordenamiento Jurídico Español  

Microsoft Academic Search

Mi intención es que este trabajo sirva para deslegitimar el discurso de la guerra, aunque sea únicamente en el campo jurídico. Porque creo que la lucha contra la guerra también se juega dentro de este ámbito. Las guerras «se preparan a conciencia» (Arcadi Oliveres: 2000, 11); y uno de los sectores en el que se preparan es en el campo

Eduardo Melero Alonso

433

Diagnóstico y cinética de plasmas de NxOy y aire a baja presión. Aplicaciones atmosféricas  

NASA Astrophysics Data System (ADS)

Los procesos cinéticos que tienen lugar en plasmas de óxidos de nitrógeno y de aire presentan relevancia en diferentes campos de investigación como son los relativos al control de contaminantes atmosféricos emitidos en procesos de combustión, a su formación en las superficies de las naves supersónicas y los vehículos espaciales al entrar en la atmósfera, o a su presencia en la ionosfera terrestre. En general, los fenómenos que tienen lugar en sistemas tan alejados del equilibrio termodinámico como los plasmas luminiscentes, son capaces de originar determinadas especies intermedias y productos finales de reacción a temperaturas y presiones mucho menores que las de otros procedimientos físico-químicos; y hacen posible reproducir y caracterizar en laboratorio ciertas especies inestables y mecanismos primordiales de la alta atmósfera. Por otra parte, las técnicas de resolución temporal aplicadas a plasmas modulados en amplitud resultan notablemente más sensibles que las medidas estacionarias para estimar la relevancia de los distintos mecanismos elementales o incluso para determinar sus constantes de velocidad. En este trabajo se presenta un estudio espectroscópico y espectrométrico comparativo de plasmas de óxidos de nitrógeno y de aire a baja presión (0.001-1 mbar) generados en descargas de cátodo hueco continuas o moduladas, y se propone un modelo cinético único y relativamente sencillo, que explica satisfactoriamente los comportamientos observados en todos ellos. Dicho modelo se basa en la resolución de un sistema de ecuaciones diferenciales dependientes del tiempo, que incluye los mecanismos elementales de disociación e ionización de los precursores y los productos, reacciones homogéneas entre especies atómicas, iónicas y moleculares, y reacciones heterogéneas. Al abordar estos sistemas, se constata una gran carencia de datos experimentales o teóricos sobre secciones eficaces o constantes de velocidad para las reacciones de disociación e ionización por impacto electrónico a bajas energías (<10 eV). Por consiguiente, en el presente trabajo, se proponen las constantes de reacción para varios de estos procesos. Los mecanismos considerados, así como las especies encontradas en estos plasmas, son muy similares a los que tienen lugar en las regiones D y E de la ionosfera terrestre (˜ 80-150 km de altitud), y su estudio en el laboratorio puede contribuir a la interpretación de los datos obtenidos in situ con satélites y sondas.

Tanarro Onrubia, Isabel

434

Quality management systems for fruit fly (Diptera: Tephritidae) sterile insect technique  

SciTech Connect

The papers presented in this issue are focused on developing and validating procedures to improve the overall quality of sterile fruit flies for use in area-wide integrated pest management (AW-IPM) programs with a sterile insect technique (SIT) component. The group was coordinated and partially funded by the Joint FAO/IAEA Programme of Nuclear Techniques in Food and Agriculture, International Atomic Energy Agency, Vienna, Austria, under a five-year Coordinated Research Project (CRP) on 'Quality Assurance in Mass-Reared and Released Fruit Flies for Use in SIT Programmes'. Participants in the CRP from 16 countries came from both basic and applied fields of expertise to ensure that appropriate and relevant procedures were developed. A variety of studies was undertaken to develop protocols to assess strain compatibility and to improve colonization procedures and strain management. Specific studies addressed issues related to insect nutrition, irradiation protocols, field dispersal and survival, field cage behavior assessments, and enhancement of mating competitiveness. The main objective was to increase the efficiency of operational fruit fly programs using sterile insects and to reduce their cost. Many of the protocols developed or improved during the CRP will be incorporated into the international quality control manual for sterile tephritid fruit flies, standardizing key components of the production, sterilization, shipment, handling, and release of sterile insects. (author) [Spanish] Los articulos presentados en este numero se enfocan en el desarrollo y la validacion de procedimientos para mejorar la calidad total de moscas de las frutas esteriles para su uso en programas de manejo integrado de plagas en donde la tecnica del insecto esteril (TIE) es uno de los componentes clave. El grupo fue coordinado y parcialmente financiado por la Division Conjunta de Tecnicas Nucleares para la Alimentacion y la Agricultura de la FAO/OIEA, Viena, Austria, por un periodo de cinco anos bajo el proyecto de Investigacion Coordinada (PIC) sobre 'el Aseguramiento de la Calidad de Moscas de las Frutas Criadas y Liberadas para su Uso en Programas de TIE'. Los participantes en el PIC representan 16 paises con experiencia en campos de investigacion basica y aplicada. Para asegurar que los procedimientos desarrollados fueran apropiados y pertinentes, se realizaron una variedad de estudios para el desarrollo de protocolos para evaluar la compatibilidad y para mejorar los procedimientos de colonizacion y manejo de cepas salvajes. Estudios especificos trataron asuntos relacionados con la nutricion de insectos, los protocolos de irradiacion, la dispersion y supervivencia en el campo, evaluacion del comportamiento en jaulas de campo, y el mejoramiento de la competitividad sexual. Los objetivos fundamentales fueron el aumentar la eficiencia y reducir los costos de los programas operacionales de control de moscas de las frutas donde TIE es utilizada. Muchos de los protocolos desarrollados o mejorados durante el PIC seran incorporados en el Manual Internacional de Control de Calidad para Moscas Estriles de la familia Tephritidae, para estandarizar componentes claves como la produccion, esterilizacion, envio, manejo y liberacion de insectos esteriles. (author)

Caceres, C.; Robinson, A. [Joint FAO/IAEA Programme of Nuclear Techniques in Food and Agriculture, International Atomic Energy Agency, Agency's Laboratories, A-2444 Seibersdorf (Austria); McInnis, D. [USDA-ARS USPBARC, 2727 Woodlawn Drive, Honolulu, HI 96720 (United States); Shelly, T. [USDA/APHIS/CPHST, 41-650 Ahiki St. Waimanalo, HI 96795 (United States); Jang, E. [USDA-ARS USPBARC, P.O. Box 4459, Hilo, HI 96720 (United States); Hendrichs, J. [Joint FAO/IAEA Programme of Nuclear Techniques in Food and Agriculture, International Atomic Energy Agency, Wagramerstrasse 5. P.O. Box 100, A-1400 Vienna (Austria)

2007-03-15

435

Experiences in the "Sky Classroom"  

NASA Astrophysics Data System (ADS)

The "Aula del Cel" (valencian for "Sky Classroom") is a project carried out by the Astronomical Observatory of the University of Valencia, Spain. Its aim is teaching and spreading Astronomy to students with ages ranging from 10 to 17. In some cases we also prepare sessions for audiences with special needs, 5 year-old or more than 55 year-old students, or autistic children, for example. In this work we will show different experiences that we have carried out with standard and special groups, not only in our "Sky Classroom" but also in their own educational establishments, used resources and positive (or negative) results we have obtained.

Gallego, A. T.

2006-08-01

436

Detección y estudio mediante Fluorescencia Inducida por Láser de radicales libres formados por Disociación Multifotónica Infrarroja  

NASA Astrophysics Data System (ADS)

Una de las principales aplicaciones actuales de los procesos de disociación multifotónica inducidos por radiación láser infrarroja (DMI) es la producción de radiales libres, con el fin de estudiar sus propiedades cinéticas y espectroscópicas. La disociación de moléculas poliatómicas en el IR con láseres de CO2 tiene lugar desde la superficie de energía molecular mas baja y conduce generalmente a la formación de fragmentos en el estado electrónico fundamental, con diversos grados de excitación vibracional. En el Grupo de Procesos Multifotónicos del Instituto de Estructura de la Materia del C.S.I.C. hemos puesto a punto la técnica de Fluorescencia Inducida por Láser (LIF) para la detección y análisis en tiempo real de los fragmentos producidos en la DMI inducida mediante uno o dos campos láseres de diferentes longitudes de onda. Objetivos de nuestro trabajo han sido el estudio de los canales de disociación mayoritarios y de las especies transitoria producidas, así como de la distribución de energía interna con que éstas son generadas. En particular hemos detectado mediante LIF las especies: C2, CF, CH, SiH2, CF2, CH2, SiHCl, y CF3 a partir de la disociación de, entre otras, las siguientes moléculas: C2H3Br, C3F6, C4H8Si, C2H5ClSi y CH5ClSi. En este trabajo presentamos algunos de los resultados obtenidos mediante el estudio por LIF de estos radicales: estudio temporal de la señal LIF obtenida con determinación de tiempos de vida, espectros de excitación y fluorescencia, temperaturas vibracionales de formación, variación de la intensidad LIF con el tiempo de retraso entre los láseres de disociación y prueba, etc.

Santos, M.; Díaz, L.; Torresano, J. A.; Rubio, L.; Samoudi, B.

437

Transferências orbitais dentro do modelo quase bicircular no sistema Terra-Lua-Sol  

NASA Astrophysics Data System (ADS)

O problema quase bicircular planar consiste na determinação da dinâmica de um corpo, de massa desprezível, que se move sob o campo gravitacional de três corpos. No caso estudado, o quarto corpo é considerado um satélite artificial e os demais são a Terra, a Lua e o Sol, formando o sistema de três corpos. Este modelo permite a construção de uma hamiltoniana similar a do problema restrito de três corpos (PRTC), incluindo termos periódicos não autônomos, provenientes da presença do Sol, portanto pode ser entendido como uma perturbação ao PRTC. Suas órbitas periódicas aparecem isoladas e possuem o mesmo período solar. Os pontos de equilíbrio colineares possuem o mesmo caráter de estabilidade linear dos pontos lagrangianos (L1, L2 e L3) do PRTC, sendo do tipo sela x centro x centro, instável na direção x e estáveis nas direções y e z. As órbitas periódicas tridimensionais ao redor do ponto colinear é chamada órbita Halo. O objetivo deste trabalho é determinar órbitas de transferências de baixo consumo de combustível para um veículo espacial partindo de uma órbita de estacionamento ao redor da Terra em direção a uma órbita Halo do ponto L1, situado entre a Terra e Lua. Esta tarefa pode ser transformada no problema de valor de contorno: dado um ponto inicial na órbita de estacionamento, um ponto final na órbita halo e o tempo de transferência, deseja-se obter a trajetória que liga estes dois pontos e que minimize os incrementos de velocidade do veículo. Essas transferências são realizadas baseadas no método de Lambert e analisadas de modo a fornecer um baixo consumo. Posteriormente, é feita uma comparação de consumo com as órbitas de transferência equivalentes do PRTC.

Corrêa, A. A.; de Almeida Prado, A. F. B.; Stuchi, T. J.; Beaugé, C.

2003-08-01

438

Nonspherical Radiation Driven Wind Models Applied to Be Stars  

NASA Astrophysics Data System (ADS)

ABSTRACT. In this work we present a model for the structure of a radiatively driven wind in the meridional plane of a hot star. Rotation effects and simulation of viscous forces were included in the motion equations. The line radiation force is considered with the inclusion of the finite disk correction in self-consistent computations which also contain gravity darkening as well as distortion of the star by rotation. An application to a typical BlV star leads to mass-flux ratios between equator and pole of the order of 10 and mass loss rates in the range 5.l0 to Mo/yr. Our envelope models are flattened towards the equator and the wind terminal velocities in that region are rather high (1000 Km/s). However, in the region near the star the equatorial velocity field is dominated by rotation. RESUMEN. Se presenta un modelo de la estructura de un viento empujado radiativamente en el plano meridional de una estrella caliente. Se incluyeron en las ecuaciones de movimiento los efectos de rotaci6n y la simulaci6n de fuerzas viscosas. Se consider6 la fuerza de las lineas de radiaci6n incluyendo la correcci6n de disco finito en calculos autoconsistentes los cuales incluyen oscurecimiento gravitacional asi como distorsi6n de la estrella por rotaci6n. La aplicaci6n a una estrella tipica BlV lleva a cocientes de flujo de masa entre el ecuador y el polo del orden de 10 de perdida de masa en el intervalo 5.l0 a 10 Mo/ano. Nuestros modelos de envolvente estan achatados hacia el ecuador y las velocidads terminales del viento en esa regi6n son bastante altas (1000 Km/s). Sin embargo, en la regi6n cercana a la estrella el campo de velocidad ecuatorial esta dominado por la rotaci6n. Key words: STARS-BE -- STARS-WINDS

Arauxo, F. X.

1990-11-01

439

Measurement and evaluation of national family planning programs.  

PubMed

RESUMEN: En los últimos quince años diez paises han inaugurado programas nacionales de planeamiento familiar: India, Pakistán, Corea del Sur, Taiwan, Turquía, Malasia, Ceilán, Túez, la República Arabe Unida, y Marruecos. Otros paises, incluyendo Tailandia, Hong Kong, Singapur, Kenya, Barbados, Trinidad y los Estados Unidos, apoyan y/o estimulan actividades de planeamiento familiar. En la mayor parte de los casos la razón fundamental del programa ha sido que si la tasa de crecimiento poblacional disminuyera, aumentaría la tasa de crecimiento económico.Las metas de largo alcance, expresadas típicamente en términos de reducir las tasa.de de natalidad o de crecimiento, tienen su ejemplo en el propósito de Pakistán de reducir su tasa de crecimiento a 26 para 1970; el de Corea de reducir su tasa de natalidad a 20 para 1971; y el de India de reducir su tasa de natalidad a 25 para 1973.Los objectivos intermedios, que cubren diversos aspectos del pro grama, incluyen metas específicas para un determinado mes a año, considerando personal, la adquisición de anticonceptivos, y el número de usarios por método. Las metas específicas anuales de aceptantes de dispositivos intrauterinos (IUD), para Taiwán, Corea, Túnez, Pakistán e India, son comunes, tanto por la naturaleza del artefacto, como por la facilidad de medición de los que continúan utilizándolos. El programa de evaluación en Taiwán, que trata de medir por diversos medios los efectos inmediatos, mediatos y de largo plazo del programa de planeamiento familiar sirve de modelo. El propósito de la evaiuación de un programa de planeamiento familiar es contribuir a la efectividad y eficiencia del programa, midiendo y analizando su progreso. Las áreas a medir pueden ser clasificadas como- (1) conocimiento acerca de; (2) actitudes hacia; (3) práctica de control de natalidad; y (4) nivel de fecundidad.Un buen sistema de evaluación debería incluir: A. Un buen conjunto de estadísticas de servicio presentadas en formularios estandarizados, en las siguienies formas: 1. Informes nensuales por áreas administrativas, sobre los actuales servicios de planeamiento familiar proporcionados en la actualidad, de carácter permanente o de larga duración (al presente, esterilización y IUD de acuerdo a las siguientes características del receptor: residencia, edad, paridad (número de hijos vivos por sexo), y donde se enteró del programa, si es posible "clase";(probablemente educación de la madre, pero posiblemente ocupación del esposo, ingreso, o equivalente); prácticas anticonceptivas anteriores; intervalo; y deseo de tener más hijos. En un programa grande estos datos pueden obtenerse en base a una muestra. 2. Informes mensuales sobre la distribución de suministros anticonceptivos (condones, píldoras, sustancias efervescentes, etc.), los primeros suministros deben ir acompañados de un registro de las características del recipiente, como anteriormente; los suministros subsecuentes se regietrarán sólo en volumen bruto. Esto también se aplicará al ritmo, donde éste método se enseñe a un número considerable de mujeres. 3. Informes regulares sobre las actividades de planeamiento familiar de médicos privados, como una estimación del efecto catalítico del programa del gobierno sobre ci sector privado. 4. Datos generates mensuales, ppr áreas admirtistrativas importantes, sabre: visitas domiciliarias, reuniones, cuñas radiates y televisadas, avisos en los periódicos y personal que trabaja. 5. Para propósitos de seguimiento una entrevi eta de campo cada 6 a 12 meses a cada N mujer de las listas para (1) y (2) arriba, en un total de 300 o 400, para conocer las tasas de continuación y las razones de abandono (ej: desea otro hijo, insatisfecha can ci método, otras). Las mue.stras podrían ser de 300 cada una, con una supuesta experiencia de 6, 12, 18 y 24 meses. B. Un buen conjunto de datos sobre costa (datos sobre cotos actulaes atribuíbles directamente al programa de planeamiento familiar) fraccionados par áreas principales y cinco a seis

Mauldin, W P

1967-03-01

440

78 FR 2397 - Environmental Impacts Statements; Notice of Availability  

Federal Register 2010, 2011, 2012, 2013

...Comment Period Ends: 04/11/2013, Contact: Jeanie Cole 907-474-2340. EIS No. 20130002, Draft EIS, BIA, CA, Shu'Luuk Wind Project, Campo Indian Reservation, Lease Approval, San Diego County, CA, Comment Period Ends:...

2013-01-11

441

MEMIN Project: The Search for Suitable Projectile Material in Meso-Scale Hypervelocity Cratering Experiments  

NASA Astrophysics Data System (ADS)

We report textural and geochemical data (EMP, LA-ICP-MS) for different types of steel and the iron meteorites Arispe (IC) and Campo del Cielo (IAB) that are evaluated as projectile materials in hypervelocity cratering experiments .

Domke, I.; Deutsch, A.; Hecht, L.; Kenkmann, T.

2010-03-01

442

Becaplermin OMJ Pharm approval letter  

Center for Drug Evaluation (CDER)

Text Version... MS. Joan F. Roelands OMJ PharmaWticals, Inc. Car-r. #2, Km 45.6 Bo. Campo Alegre Manati, Puerto Rico 00674 Dear Ms. Roelands: ... More results from www.fda.gov/downloads/drugs/developmentapprovalprocess

443

Movimento gravitazionale  

Microsoft Academic Search

\\u000a Sunto  Il problema fondamentale della meccanica celeste è quello del moto di corpi per mutua gravitazione. Nello schema classico\\u000a lo si risolve aggiungendo all’equazione diLaplace, che regge il campo gravitazionale esternamente ai corpi, la legge fondamentale della dinamica. Nello schema originario della\\u000a teoria della relatività generale (1916) il campo gravitazionale è quello che dà la geometria dello spazio-tempo e alle equazioni

Bruno Finzi

1958-01-01

444

L’effetto volta e la teoria elettronica della pila  

Microsoft Academic Search

8. Conclusione. — Accertata 1’ esistenza dell’ effetto Volta anche nel vuoto, e perció indipendentemente da ogni azione chimica,\\u000a la coppia bimetallica, ad esempio rame-zinco, costituisce un mezzo naturale e perpetuo atto a produrre in uno spazio anche\\u000a di grandi dimensioni un campo elettrostatico; cosí come un magnete permanente (peró con minore stabilitá) crea intorno a sé\\u000a un campo magnetico.

O. M. Corbino

1927-01-01

445

A new genus and species of Euptychiina (Lepidoptera: Nymphalidae: Satyrinae) from southern Brazil.  

PubMed

This paper describes a new genus and a new species of Euptychiina from open grassland habitats (campos de cima da serra) in southern Brazil. The systematic position of this new taxon is discussed based on morphological and molecular data, and it is considered sister to Taydebis Freitas. Since the campos vegetation is considered endangered due to anthropogenic activities, this butterfly species deserves attention and should be included in future conservation plans for this biome. PMID:21584405

Freitas, A V L; Mielke, O H H; Moser, A; Silva-Brandão, K L; Iserhard, C A

446

EVALUACIÓN DE LOS FORRAJES DE MORERA Morus alba Y TULIPÁN Hibiscus rosa-sinensis A DIFERENTES EDADES DE CORTE COMO SUPLEMENTO PARA CORDEROS EN PASTOREO Evaluation of white mulberry Morus alba and chinese hibiscus Hibiscus rosa-sinensis forage harvested at dierent ages as supplements for grazing lambs  

Microsoft Academic Search

The performance and metabolic behaviour of grazing lambs supplemented with Morus alba (M) and Hibiscus rosa-sinensis (T) were evaluated. A total of 32 male crossbreeding lambs (Pelibuey x Dorper or Black Belly) with an average body weight of 18.33±1.56 k were studied during 90 days. The animals were allowed to graze continuously and were supplemented (300 g animal 1 d

PV Obrador-Olán; D Hernández-Sánchez; A Gómez-Vázquez; W Camacho-Chiu

2007-01-01

447

...And That's How It All Began: Putting Information about Your Child's Growth, Health and Safety All within Your Reach...Because the First Years Last Forever! = ...Y asi es como empezo todo: Ponemos a su alcance en forma conjunta la informacion sobre el crecimiento, la salud y la seguridad de su hijo...Porque los primeros anos duran para siempre!  

ERIC Educational Resources Information Center

|Smart Start is North Carolina's model early childhood initiative to help all North Carolina children enter school healthy and prepared for success. This resource guide, in Spanish and English versions, is designed to provide parents with information on infant and child development, health care, and resources for further assistance. Presented in…

North Carolina Partnership for Children, Raleigh.

448

EVALUACIÓN DEL TAMAÑO DE COPA COMO ESTIMADOR DEL CRECIMIENTO DE ÁRBOLES JUVENILES DE Austrocedrus chilensis (D.Don)Pic. Serm. Et Bizzarri. ASSESMENT OF CROWN SIZE AS GROWTH ESTIMATOR IN YOUNG Austrocedrus chilensis (D.Don)Pic. Serm. Et Bizzarri TREES  

Microsoft Academic Search

SUMMARY We assessed four crown variables as stem growth estimators in young Austrocedrus chilensis (D.Don)Pic. Serm. Et Bizzarri trees (4 - 30 years old, and 0.05 - 4 meters tall), growing associated to shrubs. The variables were crown length; gross and net crown volume and leaves dry weight. Net crown volume and crown density (dry weight of leaves per unit

Federico Jorge Letourneau; Ernesto Andenmatten; Tomás Schlichter

449

How To Talk to Your Doctor (and Get Your Doctor To Talk to You!). An Educational Workshop on Doctor Patient Communication = Como Hablarle a su Doctor (iY que su doctor le hable a usted!). Un seminario educativo sobre la comunicacion entre el doctor y el paciente.  

ERIC Educational Resources Information Center

|This workshop, written in both English and Spanish, focuses on improving communication between physician and patient. In the workshop, the trainers will talk about "building bridges" between patient and doctor by understanding the doctor's role and his/her duty to the patient. According to the workshop, a person's doctor should communicate…

Baylor Coll. of Medicine, Houston, TX.

450

Efectos Especiales de Anclaje (Estudio sobre Regresiones de Juicios Condicionales). Parte 2: Invariancia del Juicio No-Condicional Como Valor Estandar Para el Juicio Condicional (Special Effects of Anchoring (Study of Regression of Conditional Judgements) Part 2: Invariance of Unconditional Judgments as Standard Value for the Conditional Judgment). Publication No. 31.  

ERIC Educational Resources Information Center

From the best-fit lines corresponding to sets of families of conditional judgements, the constant stimulus family and the constant condition family, both defined for a same scale object, the coordinate values of the point of intersection of both lines (indifference point) are obtained. These values are studied in relation to the mean values of the…

Lopez Alonso, A. O.

452

Efectos Especiales de Anclaje (Estudio sobre Regresiones de Juicios Condicionales). Parte 2: Invariancia del Juicio No-Condicional Como Valor Estandar Para el Juicio Condicional (Special Effects of Anchoring (Study of Regression of Conditional Judgements) Part 2: Invariance of Unconditional Judgments as Standard Value for the Conditional Judgment). Publication No. 31.  

ERIC Educational Resources Information Center

|From the best-fit lines corresponding to sets of families of conditional judgements, the constant stimulus family and the constant condition family, both defined for a same scale object, the coordinate values of the point of intersection of both lines (indifference point) are obtained. These values are studied in relation to the mean values of…

Lopez Alonso, A. O.

453

Validating growth and development of a seabird as an indicator of food availability: Captive-reared Caspian Tern chicks fed ad libitum and restricted diets [La validaci??n del crecimiento y desarrollo de un ave marina como un indicador de la disponibilidad de comida: pichones de Hydrogprogne caspia criados en cautiverio y alimentados ad libitum y dietas restringidas  

USGS Publications Warehouse

For seabirds raising young under conditions of limited food availability, reducing chick provisioning and chick growth rates are the primary means available to avoid abandonment of a breeding effort. For most seabirds, however, baseline data characterizing chick growth and development under known feeding conditions are unavailable, so it is difficult to evaluate chick nutritional status as it relates to foraging conditions near breeding colonies. To address this need, we examined the growth and development of young Caspian Terns (Hydroprogne caspia), a cosmopolitan, generalist piscivore, reared in captivity and fed ad libitum and restricted (ca. one-third lower caloric intake) diets. Ad libitum-fed chicks grew at similar rates and achieved a similar size at fledging as previously documented for chicks in the wild and had energetic demands that closely matched allometric predictions. We identified three general characteristics of food-restricted Caspian Tern chicks compared to ad libitum chicks: (1) lower age-specific body mass, (2) lower age-specific skeletal and feather size, such as wing chord length, and (3) heightened levels of corticosterone in blood, both for baseline levels and in response to acute stress. Effects of diet restriction on feather growth (10-11% slower growth in diet-restricted chicks) were less pronounced than effects on structural growth (37-52% slower growth) and body mass (24% lower at fledging age), apparently due to preferential allocation of food resources to maintain plumage growth. Our results suggest that measurements of chick body mass and feather development (e.g., wing chord or primary length) or measurement of corticosterone levels in the blood would allow useful evaluation of the nutritional status of chicks reared in the wild and of food availability in the foraging range of adults. Such evaluations could also inform demography studies (e.g., predict future recruitment) and assist in evaluating designated piscivorous waterbird conservation (colony) sites. ?? 2011 The Authors. Journal of Field Ornithology ?? 2011 Association of Field Ornithologists.

Lyons, D. E.; Roby, D. D.

2011-01-01

454

Aglomeração de pequenas e médias empresas como ambiente propício à melhoria de desempenho - caracterização do arranjo produtivo local do setor de confecção de bordados de Ibitinga Gathering small and median enterprises clustering as favorable environment for performance improvement - characterization of the local industrial cluster of embroideries at Ibitinga  

Microsoft Academic Search

Resumo Estudos destacam que a concentração geográfica de Pequenas e Médias Empresas (PME's) de uma determinada atividade econômica pode trazer vantagens competitivas para o setor e as empresas, desenvolvendo a economia industrial e social do local. Entretanto, uma dificuldade nesse novo sistema de produção é definir as ações conjuntas que consigam melhorar o desempenho das PME's do cluster. Assim, o

Mateus C. Gerolamo; Edwin Cardoza; Flávio Vicari; Luiz C. Ribeiro; Luiz C. Ribeiro Carpinetti

455

ADUBAÇÃO COM SILÍCIO COMO F ATOR DE RESISTÊNCIA A INSETOS-PRAGA E PROMOTOR DE PRODUTIVIDADE EM CULTURA DE BA TATA INGLESA EM SISTEMA ORGÂNICO Fertilization with silicon as resistance factor to pest insects and promoter of productivity in the potato crop in an organic system  

Microsoft Academic Search

-1 ; 3- adubação via foliar com solução de ácido silícico a 0,35%; 4- adubação via solo com pó de rocha, na dose correspondente a 2t.ha -1 ; 5-adubação via foliar com solução de pó de rocha a 2%. Os tratamentos foram aplicados 20 dias após o plantio da batata-semente. Foi monitorada a incidência de insetos-praga por meio da determinação

Flávia Batista Gomes; Jair Campos Moraes; Danila Kelly; Pereira Neri

2009-01-01

456

LÓGICA DIFUSA COMO HERRAMIENTA PARA LA BIOINDICACIÓN DE LA CALIDAD DEL AGUA CON MACROINVERTEBRADOS ACUÁTICOS EN LA SABANA DE BOGOTÁ - COLOMBIA Application of fuzzy logic as bioindication tool for the water quality with aquatic macroinvertebrates in the Sabana de Bogotá - Colombia  

Microsoft Academic Search

An application of fuzzy logic (LD) is present in order to calculate the biologic water quality in the Plain of Bogotá, Colombia. Due to the interactions between aquatic organisms and physical and chemiscal variables are a non-linear mathematic prob- lem of great complexity, powerful methods for the analysis of such models are needed. Fuzzy logic offers a possibility due to

JUAN DAVID GUTIÉRREZ; WOLFGANG RISS; RODULFO OSPINA

457

Analysis of chicken fat as adulterant in cod liver oil using Fourier transform infrared (FTIR) spectroscopy and chemometrics Análisis de grasa de pollo como adulterante en aceite de hígado de bacalao usando espectroscopía infrarroja con transformada de Fourier (FTIR) y quimometría  

Microsoft Academic Search

Among three animal fats evaluated, chicken fat (CF) has close similarity in fatty acid profiles with cod liver oil (CLO), compared with mutton fat and beef fat; therefore, CF can be one of the potential adulterants in CLO. Fourier transform infrared (FTIR) spectra of CLO, CF, and their mixtures were measured on direct contact with horizontal attenuated total reflectance (HATR)

A. Rohman; Y. B. Che Man

2011-01-01

458

Three halls for music performance in Chile  

NASA Astrophysics Data System (ADS)

The primary purpose of this work was to investigate about the present acoustic conditions of used architectonic spaces in Santiago of Chile for orchestras of classic music performance. The studied halls were three: Aula Magna Universidad de Santiago, Teatro Municipal de Nunoa, and Teatro Baquedano. The used methodology was based on studies made by L. Beranek, M. Barron, among others, in concert halls worldwide. As it guides, for the measurement procedure, physical parameters RT, EDT, C50, C80, LF, BR, G, U50 were evaluated according to norm ISO 3382. On the other hand, it has been defined, to proposal way, a questionnaire of subjective valuation directed to musicians, specialized conductors, and listeners.

Delannoy, Jaime; Heuffemann, Carolina; Ramirez, Daniel; Galvez, Fernando

2002-11-01

459

A emissão em 8mm e as bandas de Merrill-Sanford em estrelas carbonadas  

NASA Astrophysics Data System (ADS)

Estrelas carbonadas possuem bandas moleculares em absorção no visível e, no infravermelho (IR) as principais características espectrais se devem a emissão de grãos. Recentemente foi detectada a presença de bandas de SiC2 (Merrill-Sanford, MS) em emissão sendo atribuída à presença de um disco rico em poeira. Neste trabalho analisamos uma amostra de 14 estrelas carbonadas, observadas no telescópio de 1.52 m do ESO em 4 regiões espectrais diferentes, a fim de detectar as bandas de MS em emissão. Nossa amostra é composta de estrelas que apresentam além da emissão em 11.3 mm, outra em 8 mm. Esta última emissão, não usual nestes objetos, tem sido atribuída ou a moléculas de C2H2, ou a um composto sólido ainda indefinido. A detecção de emissões de MS e aquelas no IR, simultaneamente, revelaria um cenário mais complexo que o habitualmente esperado para os ventos destes objetos. No entanto como primeiro resultado, verificamos que as bandas de Merrill-Sanford encontram-se em absorção, não revelando nenhuma conexão com a emissão a 8 mm. Assim, temos duas hipóteses: (a) a emissão a 8 mm se deve à molécula C2H2 ou (b) essa emissão é resultado da emissão térmica de grãos. Testamos a segunda hipótese modelando a amostra com grãos não-homogêneos de SiC e quartzo, o qual emite em aproximadamente 8mm. Este grão seria produzido em uma fase evolutiva anterior a das carbonadas (estrelas S) e por terem uma estrutura cristalina são destruídos apenas na presença de campos de radiação ultravioleta muito intensos. Os modelos para os envoltórios utilizam o método de Monte Carlo para descrever o problema do transporte da radiação. As conclusões deste trabalho são: (1) as bandas de Merrill-Sanford se encontram em absorção, sugerindo um cenário usual para os ventos das estrelas da amostra; (2) neste cenário, a emissão em 8 mm seria resultado de grãos de quartzo com mantos de SiC, indicando que o quartzo poderia sobreviver a fase evolutiva S.

de Mello, A. B.; Lorenz-Martins, S.

2003-08-01

460

Brazil's development plan centers on deepwater oil  

SciTech Connect

Brazil's state owned Petroleos Brasileiro SA continues to advance deepwater technology as it pushes the frontier in ultradeep waters of the Campos basin off Rio de Janeiro state. Petrobras holds many world records related to deepwater drilling and production. But the Campos basin campaign goes beyond technological bragging rights. The prolific basin, which accounts for more than half the country's crude oil production, is expected to be the cornerstone of Brazil's plans to boost production to 1 million b/d at year end 1993. Even with the surge to 1 million b/d, Brazil almost certainly will continue to be a net oil importer. The missed production targets result not from lack of identified oil reserves or technological capability, both of which Petrobras has in abundance in the Campos basin. The problem is lack of capital in the financially stressed country. Petrobras began reassessing its spending plans in 1992 after projections called for a need to spend about $18 billion on exploration and production to meet the target of 1 million b/d by 1995. Those plans are being further reassessed as Brazil's government indicates it might slash Petrobras's budget by half this year amid continuing economic turmoil. The funding dilemma also strengthens the case for at least partially privatizing the giant state petroleum concern, a controversial step at best. The paper discusses Campos surge in production, the Campos potential, deepwater record, Marlim Phase 1, Albacora field production, the possibility of foreign participation, and the Barracuda field pilot.

Not Available

1993-01-03

461
462

Ivermectin and moxidectin resistance characterization by larval migration inhibition test in field isolates of Cooperia spp. in beef cattle, Mato Grosso do Sul, Brazil.  

PubMed

Ivermectin (IVM) resistance of Cooperia spp. in cattle has become an increasing and global problem. The early detection of anthelmintic resistance (AR) is important to propose strategies to slow down the development of resistance and requires sensitive, reliable, economic high-throughput and practical tests. The purpose of the present study was to apply a larval migration inhibition test (LMIT) for evaluating IVM and MOX efficacy against well-characterized field isolates of Cooperia spp. infecting cattle in Brazil. Eight isolates were used for IVM and seven for MOX. The following EC50 values of IVM were observed for the isolates: susceptible, 1.16 ?mol; Nova Alvorada do Sul I, 4.09 ?mol (RF=3.52); Campo Grande BNA, 3.57 ?mol (RF=3.07); Campo Grande TBR, 4.09 ?mol (RF=3,52); Nova Alvorada do Sul II, 2.50 ?mol (RF=2.15); Bandeirantes, 11.35 ?mol (RF=9.78); Campo Grande II, 6.03 ?mol (RF=5.20); and Porto Mortinho, 8.63 ?mol (RF=7.44). For MOX, the following EC50 values were observed: susceptible, 0.75 ?mol; Campo Grande BNA, 0.93 ?mol (RF=1.24); Campo Grande TBR, 0.36 ?mol (RF=0.48); Nova Alvorada do Sul II, 2.57 ?mol (RF=3.42); Bandeirantes, 1.43 ?mol (RF=1.90); Campo Grande II, 1.08 ?mol (RF=1.44); and Porto Mortinho, 0.49 ?mol (RF=0.65). The LMIT used in the present study can be a useful tool for in vitro evaluation of IVM, but not of MOX. However, such methodology cannot be used in large-scale studies yet. The isolates of Cooperia spp. showed various degrees of resistance to IVM, though remaining susceptible to MOX. PMID:22963710

Almeida, G D; Feliz, D C; Heckler, R P; Borges, D G L; Onizuka, M K V; Tavares, L E R; Paiva, F; Borges, F A

2012-08-25

463

Eco-hydrology: Groundwater flow and site factors in plant ecology  

NASA Astrophysics Data System (ADS)

Résumé En écologie végétale, le site est un concept central. Un site, c'est l'endroit où une espèce végétale ou une communauté de plantes se développe le site assure un ensemble de conditions dans lesquelles elles vivent. Dans un matériau homogène à l'origine, l'écoulement gravitaire d'une nappe influence les conditions du site par l'intermédiaire de la distribution spatiale des nutriments et d'autres composés chimiques associés. Les remontées d'eau peuvent tout spécialement produire et maintenir les conditions du site essentielles pour différentes espèces et communautés de plantes relativement rares. Les écologues ont porté une attention accrue à ces remontées d'eau, en sorte qu'une coopération avec les hydrologues en a résulté, avec l'émergence d'une discipline propre, l'éco-hydrologie, à la limite des deux domaines scientifiques et liée au concept de site. Aux Pays-Bas, une classification des types d'eau, basée sur l'histoire de l'eau souterraine à proximité de la surface, a été mise en oeuvre pour constituer une base nationale de données géographiques sur les remontées d'eau d'intérêt écologique. Des analyses des correspondances des données de cette base, portant sur l'existence de certaines espèces de plantes, montrent que dans les sols sableux pauvres du Pléistocène la remontée d'eau explique très bien la présence de certaines espèces et communautés, alors que, dans les plaines fluviales et les régions de polders à sols argileux riches, l'influence de la remontée d'eau est masquée par l'importance des caractéristiques des sols. En conclusion donc, certaines espèces de plantes peuvent être utilisées comme des indicateurs de la remontée d'eau dans des diagnostiques et des levés de terrain rapides, mais à condition de prendre en permanence des précautions sur les limites de l'approche. Resumen En ecología botánica un concepto de gran importancia es el de emplazamiento, definido como el lugar que proporciona unas condiciones de vida adecuadas que permiten el crecimiento de una especie o una comunidad botánica. En un material inicialmente homogéneo, el flujo subterráneo gravífico influencia las condiciones del emplazamiento variando la distribución espacial de los nutrientes y de otros agentes químicos relevantes. En especial, el flujo ascendente puede producir y mantener una serie de condiciones que son esenciales para algunas especies y comunidades de plantas relativamente raras. La especial atención hacia este fenómeno ha dado lugar a una cooperación entre ecologistas e hidrogeólogos y a la aparición de una nueva disciplina - eco-hidrología -, en la frontera de los dos campos científicos. En Holanda, se ha usado una clasificación sencilla de tipos de agua para crear una base de datos, a nivel nacional, de lugares donde la presencia de flujos ascendentes pueda ser de interés ecológico. El análisis de correspondencias entre esta base de datos y los tipos de plantas existentes muestra que en los suelos arenosos pobres del Pleistoceno los flujos ascendentes explican la presencia de algunas especies y comunidades de plantas. Por el contrario, en las llanuras fluviales y pólders, con suelos más arcillosos, la influencia de estos flujos es despreciable frente a la relativa a las propias características de los suelos. Se concluye que las especies botánicas se pueden usar como indicadores de la presencia de flujo ascendente sólo en campañas preliminares, pero que el método presenta grandes limitaciones para su extensión a casos generales.

Klijn, Frans; Witte, Jan-Philip M.

464

Inverse problem in hydrogeology  

NASA Astrophysics Data System (ADS)

The state of the groundwater inverse problem is synthesized. Emphasis is placed on aquifer characterization, where modelers have to deal with conceptual model uncertainty (notably spatial and temporal variability), scale dependence, many types of unknown parameters (transmissivity, recharge, boundary conditions, etc.), nonlinearity, and often low sensitivity of state variables (typically heads and concentrations) to aquifer properties. Because of these difficulties, calibration cannot be separated from the modeling process, as it is sometimes done in other fields. Instead, it should be viewed as one step in the process of understanding aquifer behavior. In fact, it is shown that actual parameter estimation methods do not differ from each other in the essence, though they may differ in the computational details. It is argued that there is ample room for improvement in groundwater inversion: development of user-friendly codes, accommodation of variability through geostatistics, incorporation of geological information and different types of data (temperature, occurrence and concentration of isotopes, age, etc.), proper accounting of uncertainty, etc. Despite this, even with existing codes, automatic calibration facilitates enormously the task of modeling. Therefore, it is contended that its use should become standard practice. L'état du problème inverse des eaux souterraines est synthétisé. L'accent est placé sur la caractérisation de l'aquifère, où les modélisateurs doivent jouer avec l'incertitude des modèles conceptuels (notamment la variabilité spatiale et temporelle), les facteurs d'échelle, plusieurs inconnues sur différents paramètres (transmissivité, recharge, conditions aux limites, etc.), la non linéarité, et souvent la sensibilité de plusieurs variables d'état (charges hydrauliques, concentrations) des propriétés de l'aquifère. A cause de ces difficultés, le calibrage ne peut êtreséparé du processus de modélisation, comme c'est le cas dans d'autres cas de figure. Par ailleurs, il peut être vu comme une des étapes dans le processus de détermination du comportement de l'aquifère. Il est montré que les méthodes d'évaluation des paramètres actuels ne diffèrent pas si ce n'est dans les détails des calculs informatiques. Il est montré qu'il existe une large panoplie de techniques d'inversion : codes de calcul utilisables par tout-un-chacun, accommodation de la variabilité via la géostatistique, incorporation d'informations géologiques et de différents types de données (température, occurrence, concentration en isotopes, âge, etc.), détermination de l'incertitude. Vu ces développements, la calibration automatique facilite énormément la modélisation. Par ailleurs, il est souhaitable que son utilisation devienne une pratique standardisée. Se sintetiza el estado del problema inverso en aguas subterráneas. El énfasis se ubica en la caracterización de acuíferos, donde los modeladores tienen que enfrentar la incertidumbre del modelo conceptual (principalmente variabilidad temporal y espacial), dependencia de escala, muchos tipos de parámetros desconocidos (transmisividad, recarga, condiciones limitantes, etc), no linealidad, y frecuentemente baja sensibilidad de variables de estado (típicamente presiones y concentraciones) a las propiedades del acuífero. Debido a estas dificultades, no puede separarse la calibración de los procesos de modelado, como frecuentemente se hace en otros campos. En su lugar, debe de visualizarse como un paso en el proceso de enten dimiento del comportamiento del acuífero. En realidad, se muestra que los métodos reales de estimación de parámetros no difieren uno del otro en lo esencial, aunque sí pueden diferir en los detalles computacionales. Se discute que existe amplio espacio para la mejora del problema inverso en aguas subterráneas: desarrollo de códigos amigables alusuario, acomodamiento de variabilidad a través de geoestadística, incorporación de información geológica y diferentes tipos de datos (temperatura, presencia y co

Carrera, Jesús; Alcolea, Andrés; Medina, Agustín; Hidalgo, Juan; Slooten, Luit J.

2005-03-01

465

Sexual competitiveness and compatibility between mass-reared sterile flies and wild populations of Anastrepha Ludens (Diptera: Tephritidae) from different regions in Mexico  

SciTech Connect

The mass-reared colony of Anastrepha ludens (Loew) currently used in Mexico for suppression of the Mexican fruit fly has been in use for over 10 years. Sterile flies are released into a wide range of environmental conditions as part of an integrated area-wide approach to suppress diverse populations of this pest in the Mexican Republic. This paper assesses the performance of the sterile flies interacting with wild populations from the different environments. We investigated the sexual compatibility and competitiveness of the sterile flies when competing with wild populations from 6 representatives Mexican states: Nuevo Leon, Tamaulipas, Sinaloa, Nayarit, Michoacan, and Chiapas. Results show that the males of the wild populations differed in the time to the onset and peak of sexual activity. Nevertheless, the index of sexual isolation (ISI) reflected sexual compatibility between the populations and the mass-reared strain, indicating that the sterile individuals mate satisfactorily with the wild populations from the 6 states. The male relative performance index (MRPI) showed that the sterile male is as effective in copulating as the wild males. The female relative performance index (FRPI) reflected a general tendency for wild females to copulate in greater proportion than the sterile females, except for the strains from Tamaulipas and Chiapas. In general, the lower participation of the sterile females in copulation increases the possibilities of sterile males to mate with wild females. The relative sterility index (RSI) showed that the acceptance by wild females of the sterile males (25-55%) was similar to that of wild males. Females of the Chiapas strain showed the lowest acceptance of sterile males. Finally, the results obtained in the Fried test (which measures induced sterility in eggs) showed a competitiveness coefficient ranging from 0.2 to 0.5. This suggests that sterile males successfully compete and are compatible with flies from different geographic origins. (author) [Spanish] La colonia actualmente usada para controlar la mosca mexicana de la fruta, Anastrepha ludens (Loew), en Mexico tiene mas de 10 anos en cria masiva. Los insectos esteriles son liberados en una gran variedad de condiciones ambientales como parte de un control integrado para suprimir diversas poblaciones de esta plaga dentro de la Republica Mexicana. El objetivo de este documento esta dirigido a revisar el desempeno de las moscas esteriles frente a poblaciones silvestres procedentes de diferentes ambientes y para esto se realizaron comparaciones de compatibilidad y competitividad sexual de las moscas esteriles contra poblaciones silvestres de seis estados representativos de la Republica Mexicana: Nuevo Leon, Tamaulipas, Sinaloa, Nayarit, Michoacan y Chiapas. Los resultados obtenidos manifiestan diferencias en el horario de inicio de llamado y mayor actividad sexual del macho entre las moscas provenientes de cada estado. Sin embargo el indice de aislamiento (ISI) reflejo compatibilidad sexual entre la cepa de laboratorio y todas las poblaciones analizadas, indicando que los individuos esteriles pueden aparearse satisfactoriamente con las poblaciones silvestres de los seis estados. El indice de efectividad de apareamiento del macho (MRPI) reflejo de manera global que los machos esteriles son tan efectivos para copular como los silvestres. El indice de efectividad de apareamiento de la hembra (FRPI) reflejo que en la mayoria de los estados las hembras silvestres copularon en mayor proporcion que las hembras esteriles, excepto para las poblaciones de Tamaulipas y Chiapas. En general, la baja participacion de las hembras esteriles en el campo permitio al macho esteril ampliar su probabilidad de apareamiento con las hembras silvestres. En cuanto al indice de esterilidad relativa (RSI), observamos que la aceptacion de las hembras silvestres al macho esteril (25-55%) fue similar a la de los machos silvestres. Las hembras de la poblacion de Chiapas registro la menor aceptacion. Finalmente, los resultados obtenidos en la prueba de Fried, la cual determi

Orozco-Davila, D.; Hernandez, R.; Meza, S.; Dominguez, J. [Programa Moscamed Moscafrut-Desarrollo de Metodos, Central Poniente No. 14 altos-Esq. 2a Avenida Sur. CP 30700 Tapachula, Chiapas (Mexico)

2007-03-15

466

n´ õas transnacionales como CANON, KODAK y NYKON, entre otras, las cuales mencionan una gran cantidad de proyectos en los que planean construir y evaluar c´ amaras digitales, proyectores de cristal l´ õquido y otros equipos formadores de imagen, todo ello mediante el empleo de EOD. Bajo el contexto anterior se plantea en este art´ õculo hacer una revision de los fundamentos en los que se basa la ´ optica difractiva, los metodos que se utilizan para disenar los sistemasopticos empleando  

Microsoft Academic Search

Nowadays diffractive optics in the fabrication of imaging optical systems is having a boom due to many advantages over the image quality and the use of less optical elements. Diffractive Optical Elements (DOE's) are showing a huge growth in the optical industry and it goes in increasing day to day. Transnational companies like CANON, KODAK and NYON refer to great

J. Castro-Ramos; S. Vazquez-Montiel; J. Hern; O. Garc ´ õa-Lievanos; W. Calleja-Arriaga

467

Análisis de las políticas públicas de comunicación o en las estrategias de comunicación de las instituciones públicas. Así como de los partidos políticos, que aunque formaciones privadas poseen un rol esencial en la formación de la opinión pública, en la manifestación de las demandas ciudadanas y en el reclutamiento de las élites políticas. * El papel de los medios de comunicación y sus consecuencias en la dinámica política. Siendo éste el principal motor de las investigaciones en comunicación política  

Microsoft Academic Search

The role of political communication in the formation and expression of public opinion has been expounded upon by numerous researchers. In the context of political communication, there are three entities involved: the authorities, the media, and society itself. The classic studies of political communication deal with diverse aspects: * Analysis of public political communication or of the communication strategy of

Antonio Castillo Esparcia

468

Artigo Original Determinação da eficiência do VEF 6 como substituto da CVF na triagem diagnóstica da doença pulmonar obstrutiva crônica através da comparação entre as relações VEF 1 \\/CVF e VEF 1 \\/VEF 6 * Determination of the efficacy of FEV 6 as a surrogate for FVC in the diagnostic screening for chronic obstructive pulmonary disease through the comparison of FEV 1 \\/FVC and FEV 1 \\/FEV 6 ratios  

Microsoft Academic Search

Objective: To determine the efficacy of using forced expiratory volume in six seconds (FEV 6 ) as a surrogate for forced vital capacity (FVC) in the diagnostic screening for chronic obstructive pulmonary disease (COPD) by comparing FEV 1 \\/FVC ratios with FEV 1 \\/FEV 6 ratios. Methods: In November of 2003, on World COPD Day, we conducted a campaign of

Marília Montenegro Cabral; Danielle Cristina; Silva Clímaco; Liana Gonçalves de Macedo; Marta de Andrade; Lima Coelho; Ana Lúcia; Pereira Lima; Alves Dias

2007-01-01

469

Sensory Awareness as a Method of Mindfulness Training within the Perspective of Person-Centered Psychotherapy \\/ Sensory Awareness als Methode des Achtsamkeitstrainings innerhalb der Perspektive der Personzentrierten Psychotherapie \\/ La capacidad de conciencia sensorial (‘sensory awareness’) como un método de formación en ‘mindfulness’ dentro de la perspectiva de la psicoterapia centrada en la persona \\/ Sensory Awareness als een methode van opmerkzaamheids training in het perspectief van cliëntgerichte psychotherapie  

Microsoft Academic Search

This article starts with a description of Sensory Awareness as a training method in mindfulness. Subsequently, the influence of Eastern doctrines, i.e., Daoism and Chan Buddhism, on Rogers' thinking is examined. Concepts from person-centered psychotherapies are traced to their Eastern roots. Their function within Sensory Awareness is discussed. Finally, the paper addresses the issue of whether Sensory Awareness can be

Michael M. Tophoff

2006-01-01

470

Effects of bismuth vandate and anthraquinone dye on the photodegradation of polycarbonate  

Microsoft Academic Search

Compostos orgânicos e inorgânicos, tais como óxidos, sais de metais, compostos policíclicos e azo, são freqüentemente usados como colorantes para polímeros. O pigmento vanadato de bismuto vem sendo usado como uma alternativa a pigmentos baseados em cádmio. Corantes baseados na antraquinona pertencem a classe de colorantes policíclicos amplamente usados em polímeros. Além de suas características como colorantes, o vanadato de

Clodoaldo Saron; Maria Isabel Felisberti; Fabio Zulli; Marco Giordano

2007-01-01

471

Dynamics of Stratospheric Winds in the Southern Hemisphere Dinamica DOS Ventos Estratosfericos No Hemisferio Sul.  

National Technical Information Service (NTIS)

High altitude balloons were used to study the characteristics of stratospheric wind dynamics in the southern hemisphere. Emphasis was placed on data obtained for the areas of San Jose dos Campos, and San Paulo, Brazil for the months of October 1976 to Feb...

I. M. Martin N. A. Buivan

1977-01-01

472

Effect of rhizobia, mycorrhizal fungi and phosphate-solubilizing microorganisms in the rhizosphere of native plants used to recover an iron ore area in Brazil  

Microsoft Academic Search

The iron-ore deposits in Minas Gerais state are concentrated in an area named Ferruginosous Quadrilateral, in which the dominant vegetation belongs to the Cerrado biome (savanna type, called campo rupestre or rupestrian field). This vegetation occurs in altitudes higher than 1000m and is one of the most endangered biomes of the world. This study aimed to restore an area of

Sandra Rosa Matias; Marcela Cláudia Pagano; Frederico Carvalho Muzzi; Christiane A. Oliveira; Andrea Almeida Carneiro; Sá Nadja Horta; Maria Rita Scotti

2009-01-01

473

PRÁCTICAS DE CONSERVACIÓN DE SUELOS EN SISTEMAS DE CULTIVO MAÍZ - FRIJOL EN CUBA1  

Microsoft Academic Search

Soil conservation practices in maize-bean production systems in Cuba. Two trials were conducted in production conditions in watersheds of the Pinar del Río province, one in Campo Hermoso and the other in La Comunidad La Leña, Cuba. At both sites, rotations were conducted involving two bean varieties: BAT 304 and Tomeguin 93, followed by maize associated with Mucuna deeringianum. Border

Claro A. Alfonso; Mario Riverol; Pedro Porras; Eduardo Cabrera; Milagros Monedero

474

Algunos tópicos econométricos de interés: Series de tiempo, pronósticos, no linealidad  

Microsoft Academic Search

La relación entre la teoría y la política económica con la práctica y el modelamiento empírico cada día cobra más importancia. El economista en sus investigaciones teóricas y\\/o empíricas ante todo debe clarificar y delimitar el contexto específico de análisis en el campo teórico económico y en el de las conceptualizaciones, técnicas y metodologías auxiliares cuyo conocimiento, adecuación e interpretación

Elsa M. Castro Franco

2001-01-01

475

Changing Gendered Dynamics: Mixed Social Movements Activists Proposals  

Microsoft Academic Search

En este artículo, se quiere abordar el problema de las discriminaciones de género en situaciones cotidianas de interacción social desde una óptica ni optimista ni victimista. Por esto, más que limitarse a la constatación de la existencia del mismo, se ha intentado proponer posibles líneas de cambio y se ha limitado el campo de estudio a una realidad supuestamente avanzada

Barbara Biglia

476

Incorporating the Hybrid Learning Model into Minority Education at a Historically Black University  

ERIC Educational Resources Information Center

|Proponents of hybrid learning proclaim it to be an effective and efficient way of expanding course content that supports in-depth delivery and analysis of knowledge (Young, 2002) and increases students satisfaction (Campos & Harasim, 1999; Dziuban & Moskal, 2001; Rivera, McAlister, & Rice, 2002; Wu & Hiltz, 2004). In the years to come, hybrid…

Buzzetto-More, Nicole A.; Sweat-Guy, Retta

2006-01-01

477

HEROÍSMO, ATRACCIÓN Y COMPETENCIA  

Microsoft Academic Search

La fascinación del poder político por el heroísmo y la épica se da por varias razones, una de ellas y tal vez la de mayor peso es la búsqueda de legitimidad. Ya los gobernantes no son caballeros que celebran sus propias guerras, no están en el campo de batalla liberando u oprimiendo reinos, sino que simplemente se dedican a ubicarse

Maximiliano E. Korstanje

2012-01-01

478

PRIMER ENSAYO DE FILOSOFÍA DEL TURISMO: EL NACIMIENTO DE LA CALESITA  

Microsoft Academic Search

Sin lugar a dudas la movilidad se ha transformado en los últimos años en un término que ha sido ampliamente utilizado en los más diversos campos de las Ciencias Sociales. La movilidad, es, en estos tiempos un paradigma por el cual se accede a la plataforma de la modernidad. Para Oswin y Yeoh, la movilidad está estrechamente ligada a la

Korstanje E. Maximiliano

2011-01-01

479

ETNOGRAFÍA DEL GASTO: EL CASO DE UNA EMPRESA TURÍSTICA  

Microsoft Academic Search

El siguiente trabajo (a diferencia de otros) intenta ser un abordaje innovador sobre el tema que denota la etno-psicología del gasto (erogación). Asimismo, su presentación (en forma de comentarios etnográficos o cuaderno de notas) es combinada con datos estadísticos de gran relevancia y comentarios personales del observador durante el trabajo de campo. En este caso, se ha combinado prácticas propias

Maximiliano Korstanje

2008-01-01

480

LA EDUCACIÓN AMBIENTAL DESDE UN ENFOQUE INTERDISCIPLINAR EN ESTUDIANTES DE LA CARRERA INGENIERÍA EN AGRONOMÍA ORIENTADA AL DESARROLLO SOSTENIBLE  

Microsoft Academic Search

La investigación objeto de análisis ofrece un estudio teórico curricular para determinar la presencia del sistema de contenidos, conceptos, habilidades y valores básicos de la problemática relacionada con la Educación Ambiental desde un enfoque interdisciplinario en la carrera de Agronomía, aunque este campo de investigación es muy ilustrado por diferentes autores nacionales e internacionales, se debe señalar que todavía existen

Orlando Rodríguez Ávila

2010-01-01

481

Aplicación de un Enfoque Intencional al Análisis de Variabilidad  

Microsoft Academic Search

El interés por el estudio de la variabilidad, es decir la habilidad de cambio o adaptación de un sistema, ha aumentado significativamente durante los últimos años. Esto se debe a su utilidad en diversos campos, desde la personalización del software a las líneas de producto o la adaptación automática de sistemas. Dicho estudio ha estado centrado principalmente en cuestiones de

Bruno González-Baixauli; Miguel A. Laguna; Sampaio do Prado

2005-01-01

482

Análisis de Variabilidad con Modelos de Objetivos  

Microsoft Academic Search

Dentro del campo de la variabilidad, o la habilidad de cambio o personalización de un sistema, no es común que dicha variabilidad se tenga en cuenta en la definición de requisitos. En las propuestas donde si se contemplan se utilizan directamente features, aunque no son una técnica de elicitación de requisitos, sino que más bien están a medio camino entre

Bruno González-Baixauli; Miguel A. Laguna; Sampaio do Prado

2004-01-01

483

Controvérsias sobre educação matemática no Brasil: Malba Tahan versus Jacomo Stávale  

Microsoft Academic Search

CONTRO VERSIES ABOUT MATHEMATICS EDUCATION: MALBA TAHAN VERSUS JAC OMO ST ÁVALE. The aim of this paper to analyse, from a historical point of view, the debate between two mathematics teachers in the beginning of the 1930's. At that time the first National Education Law was created (Francisco Campos Reform), including, in all schools of the country a single curriculum.

Wagner Rodrigues Valente

2003-01-01

484

Thermospheric neutral winds at low latitudes during the September-October 1986 Sundial campaign - Optical interferometer results  

Microsoft Academic Search

Results of Fabry-Perot interferometer determinations of near-equatorial thermospheric temperatures and winds are presented for the late September and early October 1986 period. Measurements were made from Arequipa, Peru and Sao Jose dos Campos, Brazil. The thermospheric temperatures during the night at Sao Jose averaged 915 K, with a measurement uncertainty of + or - 75 K. At both Arequipa and

M. A. Biondi; J. W. Meriwether Jr.; Y. Sahai; H. Takahashi

1990-01-01

485

MITOS Y LEYENDAS EN LA DÉCIMA TUNERA  

Microsoft Academic Search

El folklore campesino es uno de los mayores defensores de las historias míticas porque del campo salieron las primeras experiencias, fue de los arroyos cercanos a las fincas donde se comenzó a hablar de güijes. Así era la vida en Las Tunas hasta algunas décadas después del triunfo revolucionario cubano. Las Tunas es una ciudad rica en mitos y leyendas,

Yudit Merino Téllez; Perla Quintana Pérez; Irina Benítez Solís; Jorge Bodaño García

2012-01-01

486

SULLA VALUTAZIONE NUMERICA DELLE CONDIZIONI ELASTOSTATICHE DI UN IMPIANTO DENTARIO ENDOSSEO  

Microsoft Academic Search

SOMMARIO Nel presente lavoro, affrontando dal punto di vista numerico le problematiche relative alla progettazione di un impianto dentario endosseo di forma e dimensioni tipo, sono stati ottenuti risultati relativi alla distribuzione tensionale e al campo degli spostamenti di modelli FEM e BEM parametrici, adattabili a varie forme di impianto in diverse condizioni implantologiche. L'approccio al lavoro, principalmente metodologico, tende

E. Armentani; F. Caputo; R. Citarella; R. Esposito; M. Infante; G. Lavorgna

487

Salud ambiental urbana: aproximaciones antropológicas y epidemológicas sobre la evaluación de un programa de alcantarillado en un contexto de grandes desigualdades sociales  

Microsoft Academic Search

El objetivo de este artículo es analizar cómo las desigualdades sociales influyen en la salud ambiental urbana dentro de un contexto de desarrollo de saneamiento básico. El desafío principal de este texto es aplicar teóricamente este análisis desde la articulación de dos campos de saber diferenciados, la antropología médica y la epidemiología social, que comparten espacios de investigación comunes para

Cristina Larrea Killinger; Mauricio L. Barreto

2006-01-01

488

Efficacia di un training aerobico sulla percezione di fatica in donne mastectomizzate  

Microsoft Academic Search

Introduzione Negli ultimi anni si è assistito ad un miglioramento della prognosi della patologia neoplastica della mammella grazie allo sviluppo di efficaci programmi di screening che permettono una sempre più precoce diagnosi e grazie al continuo sviluppo in campo terapeutico e farmacologico. L'aumento della sopravvivenza si accompagna però alla presenza di effetti collaterali fisici e psicologici, dovuti alla neo- plasia

S. PISTILLO; B. FARABOLLINI; F. GRASSI; G. PASQUALINI; N. BATTELLI; L. ZEPPONI; L. PROVINCIALI; M. G. CERAVOLO

489

Errores y Dificultades en el desarrollo del Pensamiento Numérico  

Microsoft Academic Search

El estudio de errores y dificultades de comprensión de los escolares constituye una línea de investigación potente y productiva en Educación Matemática. La producción en este campo es amplia y, en muchas ocasiones , se presenta poco articulada. En este trabajo proponemos una fundamentación y una aproximación metodológica para este tipo de estudios; también presentamos un ejemplo de trabajo realizado

Luis RICO; Encarnación CASTRO

490

PROTECTED HORTICULTURE AND ENVIRONMENT. AN INTEGRAL DECISION MODEL FOR GREENHOUSE WASTE MANAGEMENT IN SOUTHEASTERN SPAIN  

Microsoft Academic Search

Over 380000 tons of vegetable waste is produced annually in the “Campo de Dalías” zone (Almería, Spain), deriving from the diverse existing crops grown under plastic cover. Landfills containing this vegetable waste are a potential breeding ground for diseases and pests, they can also be the subject of uncontrolled burning, cause a riverbed blockage and, at the same time, they

Salvador Parra Gomez

2008-01-01

491

A taxonomic review of species of the Neotropical pericaline genus Oreodicastes Maindron, 1905 (Coleoptera: Carabidae: Lebiini)  

Microsoft Academic Search

Based on adult character states, a key is provided to the seven known species of Oreodicastes Maindron 1905 (type species Oxyglossus subcyaneus Chaudoir 1843). Two new species (with type locality) are described: 0. virginia (Fazenda dos Campos, Virginia, state of Minas Gerais, Brazil) and 0. zikani (Macieiras, Itatihia, state of Rio de Janeiro, Brazil).

Danny Shpeley; George E. Ball

2001-01-01

492

Micronucleus test and observation of nuclear alterations in erythrocytes of Nile tilapia exposed to waters affected by refinery effluent  

Microsoft Academic Search

Micronuclei and nuclear alterations tests were performed on erythrocytes of Oreochromis niloticus (Perciformes, Cichlidae) in order to evaluate the water quality from Paraíba do Sul river, in an area affected by effluents from an oil shale processing plant, located in the city of São José dos Campos, Brazil-SP. Water samples were collected on 2004 May and August (dry season) and

Tatiana da Silva Souza; Carmem S. Fontanetti

2006-01-01

493

The Meteoretical Bulletin, No. 78  

NASA Astrophysics Data System (ADS)

This Meteoritical Bulletin lists 53 meteorites, of which 16 are from the Nullarbor, Australia, and 12 from Roosevelt County, New Mexico. Besides ordinary chondrites, there are five irons and one howardite (Mundrabilla 018). Four of the meteorites are falls (Baszkówka, Campos Salos, Neagari, and New Halfa).

Wlotzka, F.

1995-11-01

494

EVALUACIÓN DE LOS MODELOS NUMÉRICOS DE FLUJO DE AGUA EN EL SUELO HYDRUS-2D Y SIMDAS EN RIEGO LOCALIZADO  

Microsoft Academic Search

RESUMEN. En un sistema de riego localizado resulta muy importante conocer la distribución de agua en el suelo para evitar pérdidas por percolación y conseguir un nivel de producción óptimo. Para ello, en la fase inicial de diseño agronómico deben realizarse pruebas de campo previas, consistentes en aplicar un volumen de agua acorde a las necesidades del cultivo con un

G. Arbat; J. Puig; F. Ramírez de Cartagena

2003-01-01

495

O casamento entre pessoas do mesmo sexo. Sobre \\  

Microsoft Academic Search

O artigo constitui uma primeira reflexão sobre dados de uma pesquisa realizada em Barcelona. O debate público sobre o casamento entre pessoas do mesmo sexo revela as tensões sociais em torno do género, da sexualidade, da conjugalidade, da procriação e da parentalidade. As representações simbólicas e os discursos ideológicos sobre estes campos vêem revelado o seu carácter construído no momento

MIGUEL VALE DE ALMEIDA

2006-01-01

496

PROPORÇÃO DE SEXO E PRODUTIVIDADE DE MASSA FOLIAR EM ERVA- MATE (Ilex paraguariensis ST. HIL.)  

Microsoft Academic Search

Studies refering to sex ratio and leaf weight production in a provenance\\/progeny test of erva -mate (Ilex paraguariensis St. Hil.) were performed in Colombo -PR. A sex ratio of eight male to five female for provenances from Cascavel, Toledo and Campo Mourão, in state of Paraná, was obtained at five years age. Female plants produced, in average, 15.1% more weight

José Alfredo Sturion; Marcos Deon; Vilela de Resende; Silvino Mendes

497

Simulazione della propagazione di difetti a fatica mediante il modello di zona coesiva  

Microsoft Academic Search

RIASSUNTO. Le giunzioni incollate guadagnano sempre più mercato, nel campo delle costruzioni in genere, dove è necessario un alleggerimento delle strutture. Nel caso di geometrie di giunto semplici il dimensionamento avviene attraverso relazioni analitiche che restituiscono il valore massimo delle tensioni, il quale deve essere inferiore al limite di utilizzo dell'adesivo stesso. Quando le geometrie sono complesse l'approccio analitico diventa

A. Pirondi; F. Moroni

498

Caracterização da reflectância espectral de materiais urbanos com imagens do sensor HSS  

Microsoft Academic Search

This paper describes spectral reflectance characteristics of urban area materials measured with the airborne HSS (Hyperspectral Scanner System)\\/SIVAM. A 2.7 m spatial resolution HSS radiance image of São José dos Campos city, in São Paulo state (Brazil), was atmospherically corrected using FLAASH algorithm to retrieve surface reflectance. An EFFORT polishing was applied to minimize artifacts due to atmospheric correction. Image

Romero da Costa Moreira; Lênio Soares Galvão

499

Consideraciones metodológicas en el estudio de la relación confianza- exactitud en el ámbito de la memoria de testigos  

Microsoft Academic Search

Debido al interés que tiene en el campo aplicado, se ha in vestigado mucho sobre la relación entre la confianza de un testigo y la exactitud de sus recuerdos. Los expertos en memoria de testigos compar - ten la idea de que la confianza manifestada por los testigos en su testimonio predice su exactitud. A pesar de la validez aparente

Izaskun Ibabe Erostarbe

2000-01-01

500

Riftzone magmatism: Petrology of basaltic rocks transitional from CFB to MORB, southeastern Brazil margin  

Microsoft Academic Search

Compositions of basaltic samples from the southeastern Brazil passive margin (18°–24° S) depict the change from continental to oceanic lithosphere during the opening of the South Atlantic Ocean. Samples studied range from 138 to 105 m.y. old and are from 12 Petrobrás drill cores recovered from the coastline to about 150 km offshore in the Espirito Santo, Campos, and Santos

R. V. Fodor; S. K. Vetter

1984-01-01