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En los albores del siglo XXI  

E-print Network

, directores, técnicos y público costarricense. Un movimiento que ha ido constituyendo su identidad histórica en este siglo, frente a una política cultural estatal que se ha debatido entre apoyarlo, hacerle competencia o combatirlo, que se ha debatido entre...

Bonilla, Marí a



Systemic treatment with capecitabine as maintenance therapy in patients with recurring or metastatic breast cancer: experience in the Oncology Hospital, National Medical Center Siglo XXI, Mexican Social Security Institute.  


Metastatic breast cancer as initial onset represents between 20 and 30 % of cases and is considered an incurable disease. The goal of its treatment is palliative, looking for increasing the survival while reducing the symptoms. Maintenance chemotherapy studies for metastatic breast cancer have demonstrated to prolong the progression-free survival, with unclear results in terms of overall survival. The main objectives of our study were the progression-free survival and overall survival in patients with recurring or metastatic breast cancer treated with capecitabine in the maintenance chemotherapy setting compared with patients not receiving maintenance chemotherapy. As secondary objectives, the frequency of dose-limiting toxicities and response rate were determined. A non-probabilistic sampling was used, through expert selection of patients from the recurring/metastatic breast cancer survey cared within the period from January 1, 2007, to December 21, 2012. A total of 77 patients were included. Clinical data of advanced/recurrent breast cancer patients that were treated with capecitabine were recorded. The study achieved its primary objective, since the progression-free survival was prolonged for the maintenance therapy group: 6.6 versus 18.1 months, p < 0.001. The absolute benefit was 11.5 months. Likewise, there was a benefit in the overall survival of 21.03 versus 29 months, p = 0.015, with an absolute benefit of 7.97 months. The toxicity profile was favorable in the maintenance group. The maintenance chemotherapy with capecitabine in patients treated at the National Medical Center Siglo XXI Oncology Hospital extends the overall survival and progression-free survival with a good toxicity profile. PMID:25720523

Segura-González, Manuel; Quintana-Quintana, Miguel



Costa Rica y el derecho a soñar: Audacia teatral del siglo XX  

E-print Network

FALL 2000 79 Costa Rica y el derecho a soñar: Audacia teatral del siglo XX María Bonilla A Irene Solera La primera madrugada de un enero igual a todos los eneros anteriores, el calendario decidió que estábamos ya en un nuevo siglo. Muchos... decía que "el siglo XXI será religioso o no será." Creo que se refería a que el paso del tiempo en arte tendrá sentido de avance para aquéllos que aún tengan la capacidad de soñar y de defender sus sueños, de imaginar, de trabajar horas y horas por...

Bonilla, Marí a



Nuevos materiales en la sociedad del siglo XXI  

E-print Network

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 Albert Figueras y Jordi Pascual Índice 9 11 21 31 41 53 #12;6. Biomateriales: retos y alternativas


Siglo XXI , época de cambios gerenciales (caso Urbe TV)  

Microsoft Academic Search

One indication that postmodernity exists in the company it is the impact of the technological logics in the organizational culture , the diversity of values, solidarity, this doesn't imply the substitution of the modernity. In URBE T.V. They exist characteristics of the two theories and this means that it goes in growth. The technology role and as a consecuence the

Arcángela Cugno Perozo; Laura Petit; Bladimir Díaz; Silvia Romero; Luis R. Rojas


Escritoras puertorriqueas en el siglo XXI: creacin y crtica  

E-print Network

Introducción Ana Belén Martín Sevillano, "Escritura y mujer en Puerto Rico hoy" 6 Creación Marta Aponte Alsina, "Un lamento y un contradepresivo para Borinquén: "El tigre por la cola" de Rosario Ferré" 119 Ada G Montréal 6 Escritura y mujer en Puerto Rico hoy Ana Belén Martín Sevillano En 1991, Ramón Luis Acevedo

Parrott, Lael


Hugo Chávez and The Impact of Socialismo del Siglo XXI  

E-print Network

NOMENCLATURE AD Acci?n Democr?tica ? Democratic Action Party ALBA La Alternativa Bolivariana Para las Am?ricas - Bolivarian Alternative for Latin America and the Caribbean Al? Presidente Hello President Asamblea Nacional National Assembly... programs in Venezuela. Most importantly, la Alternativa Bolivariana Para las Am?ricas (ALBA), the alternative international system to the US backed Free Trade Area of the Americas (FTAA), was created as a forum for ?regional integration that transcends...

Leist, Derek 1990-



Table of Contents Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .xxi  

E-print Network

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .xxi SAS Opening Workshop "The Mathematical Legacy of Alan Turing" (Spitalfields Day). The Mathematical Legacy of Alan Turing (Spitalfields Day) . . . . . . . . . . . . 1 Benedikt L¨owe The Global Structure of the Turing Degrees . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Hugh Woodin Modern Cryptography


Electronion recombination and photoionization of Fe XXI Sultana N. Nahar  

E-print Network

Electron­ion recombination and photoionization of Fe XXI Sultana N. Nahar � Department of Astronomy Keywords: Photoionization and recombination Fe XXI High-energy features Effect on solar opacity a b s t r a c t Results for electron­ion recombination and photoionization of ðFe XXI þ hn2 Fe XXII þ e

Nahar, Sultana Nurun


PREFACE: XXI Fluid Mechanics Conference  

NASA Astrophysics Data System (ADS)

This Conference Volume contains the papers presented at the 21st Fluid Mechanics Conference (XXI FMC) held at AGH - University of Science and Technology in Krakow, Poland, 15-18 June 2014, and accepted for Proceedings published in the Journal of Physics: Conference Series. The Fluid Mechanics Conferences have been taking place every two years since 1974, a total of forty years. The 21st Fluid Mechanics Conference (XXI FMC) is being organized under the auspices of the Polish Academy of Sciences, Committee of Mechanics. The goal of this conference is to provide a forum for the exposure and exchange of ideas, methods and results in fluid mechanics. Conference topics include, but are not limited to Aerodynamics, Atmospheric Science, Bio-Fluids, Combustion and Reacting Flows, Computational Fluid Dynamics, Experimental Fluid Mechanics, Flow Machinery, General Fluid Dynamics, Hydromechanics, Heat and Fluid Flow, Measurement Techniques, Micro- and Nano- Flow, Multi-Phase Flow, Non-Newtonian Fluids, Rotating and Stratified Flows, Turbulence. Within the general subjects of this conference, the Professor Janusz W. Elsner Competition for the best fluid mechanics paper presented during the Conference is organized. Authors holding a M.Sc. or a Ph.D. degree and who are not older than 35 years of age may enter the Competition. Authors with a Ph.D. degree must present individual papers; authors with a M.Sc. degree may present papers with their supervisor as coauthor, including original results of experimental, numerical or analytic research. Six state-of-the-art keynote papers were delivered by world leading experts. All contributed papers were peer reviewed. Recommendations were received from the International Scientific Committee, reviewers and the advisory board. Accordingly, of the 163 eligible extended abstracts submitted, after a review process by the International Scientific Committee, 137 papers were selected for presentation at the 21st Fluid Mechanics Conference, 68 papers were accepted for Proceedings published in the Journal of Physics: Conference Series. The total number of submitted and accepted papers for this year's conference represents a significant increase over previous Fluid Mechanics Conferences, and has expanded its initial national character and borders which speaks to the great vitality of fluid mechanics. We hope that these proceedings will be used not only as a document of the event but also to assess achievements and new paths to be taken in fluid mechanics research. Finally, we would like to congratulate the winners of the 2014 Professor Janusz W Elsner Competition Ruri Hidema from Japan, Fernando Tejero from Spain and Lukasz Laniewski-Wollk from Poland. Acknowledgements We would like to express grateful appreciation to our colleagues from the Polish Academy of Sciences, Committee of Mechanics, as well as to the International Scientific Committee i.e. Members and the Advisory Board. Their advice and efforts have helped us to overcome the problems normally associated with organising international meetings. Special thanks goes to the reviewers for their work in encouraging the submission of papers and the subsequent review of all papers. Their contribution cannot be overestimated. The 21st Fluid Mechanics Conference was organised by AGH University of Science and Technology, the Polish Academy of Sciences the Committee of Mechanics and the AGH-UST Foundation. Proceedings was published in the Journal of Physics: Conference Series. The demanding work involved could not have been done without the contribution of so many individuals from all institutions as well as numerous external co-workers. Without their extremely valuable help such a meeting would have been impossible. Thank you all so much! Details of the committees are available in the PDF

Szmyd, Janusz S.; Fornalik-Wajs, Elzbieta; Jaszczur, Marek



Two Boys with 47, XXY and Autism  

ERIC Educational Resources Information Center

Two children with autism and Klinefelter syndrome (KS) (47, XXY) are presented. Both qualify for the diagnosis of autism based on DSM-IV with severely delayed and disordered language, difficulties with social interaction, and a restricted range of interests and activities. Both also have abnormal EEGs, and one patient has had what appear to be…

Merhar, S. L.; Manning-Courtney, P.



Espiritualidad, violencia y androcentrismo. Retos prácticos de los feminismos para el siglo XXI en América Latina  

Microsoft Academic Search

This article discusses three challenges of Latin American feminisms for the 21st century. These challenges are the need for spirituality, the fight against gender violence, and the androcentric Catholic view of women. Spirituality will help feminists overcome negative attitudes such as resentment, feelings of victimization, self-righteousness, separatism, and dogmatism. Gender violence must not be minimized by a moralistic discourse aimed

Álvaro Salas Chacón


Bolivia y una preocupación constante: El indianismo, sus orígenes y limitaciones en el siglo XXI  

Microsoft Academic Search

Abstract The main objective of this essay is to track all the arguments that con- struct the doctrine called Indian thinking (indianismo). Therefore, the analysis will also be concentrated on the political implications the Indian ideology had inside the Constituent Assembly, where this doctrine denied any pos- sibility to reach a national reconciliation in Bolivia, hindering at the same time

Franco Gamboa Rocabado



Microsoft Academic Search

In the past years different audiovisual produces have decided to engage the theme of Fueguian indigenous peoples using an audiovisual language that is evocative and subjective, and therefore departs from the conventional expository documentary characteristic of decades of audiovisual representation of indigenous peoples. The research described here in seeks to understand the structural forms in which these new audiovisual artifacts



Two Boys with 47, XXY and Autism  

Microsoft Academic Search

Two children with autism and Klinefelter syndrome (KS) (47, XXY) are presented. Both qualify for the diagnosis of autism based\\u000a on DSM-IV with severely delayed and disordered language, difficulties with social interaction, and a restricted range of interests\\u000a and activities. Both also have abnormal EEGs, and one patient has had what appear to be clinical seizures. Trials of antiepileptic\\u000a medications

S. L. Merhar; P. Manning-Courtney



Historia del Banco de la República en Cali, y el establecimiento de los principales pilares bancarios en la ciudad a finales del siglo XIX e inicios del siglo XX  

Microsoft Academic Search

Dada la escasez de literatura sobre historia de las primeras entidades financieras que se establecieron en Cali a finales del siglo XIX e inicios del XX, este trabajo tuvo como fin, revelar, además de la historia, el papel que desempeñaron dichas instituciones como medio crediticio para financiar obras transcendentales para el desarrollo comercial, industrial y social de Cali, como lo

Jaime Andrés Collazos Rodríguez; Arley Barandica Villegas



El Material Suplementario En Los Diccionarios Bilingues Espanol-Ingles Mas Representativos De Los Siglos XX y XXI  

ERIC Educational Resources Information Center

This work is one of the first attempts to make a detailed and comparative analysis of the supplementary material of several bilingual English-Spanish dictionaries from the 20th and 21st centuries. It examines the historical development of prefaces and appendices in the most representative bilingual English-Spanish dictionaries that have…

Fischer Dorantes, Erica



Social Behavior and Autism Traits in a Sex Chromosomal Disorder: Klinefelter (47XXY) Syndrome  

Microsoft Academic Search

Although Klinefelter syndrome (47,XXY) has been associated with psychosocial difficulties, knowledge of the social behavioral\\u000a phenotype is limited. We examined specific social abilities and autism traits in Klinefelter syndrome. Scores of 31 XXY men\\u000a on the Scale for Interpersonal Behavior and the Autism Spectrum Questionnaire were compared to 24 and 20 control men respectively.\\u000a XXY men reported increased distress during

Sophie van Rijn; Hanna Swaab; André Aleman; René S. Kahn



Expansion of the phenotypic profile of the young child with XXY.  


XXY is a common chromosomal abnormality which remains under diagnosed and not well understood, although it was first described more than 50 years ago. In the last ten years, with advancement in neuroimaging technology and the greater understanding of behavioral neurogenetics, there has been a resurgence of interest in children and adults with XXY. This homogenous population provides insight into the interaction between learning dysfunction, brain development and behavioral performance that may be investigated from birth onward. The unique attributes of the child from birth to 6 years of age with XXY is discussed in this paper. This paper postulates a novel reconceptualization of the phenotypic presentation of the boys with XXY. The neurodevelopmental profile of XXY is actually quite consistent over time with the common thread of speech and language deficits, motor dysfunction and frontal lobe deficits including attention, planning and organization. The early motor and speech disturbances are not random developmental delays, but rather the early presentation of the central nervous system dysfunction associated with XXY. Muscle tonus abnormalities are present in trunk, upper extremities and oral facial musculature in more than 80% of the infants with XXY.Androgen deficiency may be an integral part of the delays observed in boys with XXY, since androgen is influential in brain organization, neurobehavioral development, temperament and mood in humans. It is plausible that the earliest biomarker for androgen deficiency in XXY may be the decreased muscle tonus. Androgen deficiency may not be the only causative factor in the neurodevelopmental disturbance in individuals with XXY, but may promote a restorative function if timing and dosage is appropriate. The study of children with XXY offers an opportunity to observe the impact of the genetic and chromosomal influence on learning and behavior in a population with great homogeneity. XXY is a multifaceted spectrum disorder which demonstrates the complexity of the relationship between brain, behavior, genes and the environment. PMID:21217608

Samango-Sprouse, Carole



Social Behavior and Autism Traits in a Sex Chromosomal Disorder: Klinefelter (47XXY) Syndrome  

ERIC Educational Resources Information Center

Although Klinefelter syndrome (47,XXY) has been associated with psychosocial difficulties, knowledge of the social behavioral phenotype is limited. We examined specific social abilities and autism traits in Klinefelter syndrome. Scores of 31 XXY men on the Scale for Interpersonal Behavior and the Autism Spectrum Questionnaire were compared to 24…

van Rijn, Sophie; Swaab, Hanna; Aleman, Andre; Kahn, Rene S.



Correlation between sexual phenotype and X-chromosome inactivation pattern in the X*XY wood lemming.  


Replication patterns of the X chromosomes were studied in X*XY wood lemmings with male and female phenotypes. The wild-type X was late replicating (ie, inactivated) in all cells of the X*XY female, whereas the mutated X* was late replicating in all cells of the X*XY male. These findings are compared with those obtained in sex-reversed (Sxr) mice. PMID:3884284

Schempp, W; Wiberg, U; Fredga, K



Expanding the phenotypic profile of boys with 47, XXY: the impact of familial learning disabilities.  


The aim of the study was to examine the impact of familial learning disabilities (FLD) on the phenotypic profile of 47, XXY males and the possibility that 47, XXY males with more severe cognitive deficits may be partially a consequence of familial dyslexia/reading disorder. We wondered if FLD could pose an additional risk for complex neurodevelopmental differences in 47, XXY. The neurodevelopmental profile of males with 47, XXY has been characterized by developmental dyspraxia, language-based learning disorders, executive dysfunction, reading, and attentional deficits. One hundred eighteen boys with 47, XXY diagnosed prenatally who did not receive early hormonal treatment were divided into two groups based on positive histories of FLD and given comprehensive neurodevelopmental evaluations between 36 and 108 months. The assessments included intelligence (nonverbal and verbal), neuromotor (fine and gross), speech, and language. The group with FLD performed significantly lower in multiple neurodevelopmental domains of the Wechsler of VIQ P = 0.015, FSIQ P = 0.0005, the Brief IQ P = 0.0525 of the Leiter, in Auditory Comprehension P = 0.0505, Expressive Communication P = 0.0055, and neuromotor domains of Manual Coordination P = 0.0032, Fine Motor Control P = 0.0378, and Motor Coordination P = 0.008. Our study demonstrates the influence of FLD on neurodevelopment and expands the phenotypic profile of 47, XXY, suggesting some neurodevelopmental variability is attributable to other factors than the additional X. FLD may increase the vulnerability of the 47, XXY children and anticipatory guidance should be provided to families. PMID:24715716

Samango-Sprouse, Carole A; Stapleton, Emily J; Mitchell, Francie L; Sadeghin, Teresa; Donahue, Thomas P; Gropman, Andrea L



Social Deficits in Male Children and Adolescents with Sex Chromosome Aneuploidy: A Comparison of XXY, XYY, and XXYY Syndromes  

ERIC Educational Resources Information Center

We compare social skills in three groups of males with sex chromosome aneuploidies (SCAs) using the Social Responsiveness Scale (SRS). Participants included males with XXY (N = 102, M = 10.08 years), XYY (N = 40, M = 9.93 years), and XXYY (N = 32, M = 11.57 years). XXY had lower (better) SRS scores compared to XYY and XXYY. Scores were not…

Cordeiro, Lisa; Tartaglia, Nicole; Roeltgen, David; Ross, Judith



The 2014 March 29 X-flare: Subarcsecond Resolution Observations of Fe XXI ?1354.1  

NASA Astrophysics Data System (ADS)

The Interface Region Imaging Spectrometer (IRIS) is the first solar instrument to observe ~10 MK plasma at subarcsecond spatial resolution through imaging spectroscopy of the Fe XXI ?1354.1 forbidden line. IRIS observations of the X1 class flare that occurred on 2014 March 29 at 17:48 UT reveal Fe XXI emission from both the flare ribbons and the post-flare loop arcade. Fe XXI appears at all of the chromospheric ribbon sites, although typically with a delay of one raster (75 s) and sometimes offset by up to 1''. 100-200 km s–1 blue-shifts are found at the brightest ribbons, suggesting hot plasma upflow into the corona. The Fe XXI ribbon emission is compact with a spatial extent of <2'', and can extend beyond the chromospheric ribbon locations. Examples are found of both decreasing and increasing blue-shift in the direction away from the ribbon locations, and blue-shifts were present for at least six minutes after the flare peak. The post-flare loop arcade, seen in Atmospheric Imaging Assembly 131 Å filtergram images that are dominated by Fe XXI, exhibited bright loop-tops with an asymmetric intensity distribution. The sizes of the loop-tops are resolved by IRIS at >=1'', and line widths in the loop-tops are not broader than in the loop-legs suggesting the loop-tops are not sites of enhanced turbulence. Line-of-sight speeds in the loop arcade are typically <10 km s–1, and mean non-thermal motions fall from 43 km s–1 at the flare peak to 26 km s–1 six minutes later. If the average velocity in the loop arcade is assumed to be at rest, then it implies a new reference wavelength for the Fe XXI line of 1354.106 ± 0.023 Å.

Young, Peter R.; Tian, Hui; Jaeggli, Sarah



EL CIBERARBITRAJE: UNA NUEVA HERRAMIENTA DEL SIGLO XXI PARA RESOLVER LOS CONFLICTOS SURGIDOS DEL COMERCIO ELECTRÓNICO The ciber arbitration: a new tool of century XXI to solve the conflicts arisen from the electronic commerce  

Microsoft Academic Search

The next investigation had as a challenge the cyberarbitration's analysis as a new century's tool. The research's type was basic, descriptive, and documentary. The study' s conclusions are, even thought cyberarbitration has several troubles in the practice, It is one of the best options to apply in a e- commerce dispute, also is good to say that this kind of

Urdaneta Bracho; Eugenio Enrique; Canga Maria Eugenia


Los debates sobre pobreza urbana y segregación social en Estados Unidos  

Microsoft Academic Search

Se estudia la evolución histórica de la idea de pobreza urbana en los EEUU. Se parte de las aportaciones pioneras de finales de siglo XIX, centrándose, en un primer apartado, en las consideraciones de la sociología urbana de la Escuela de Chicago y, también, en los análisis iniciales sobre los problemas de hacinamiento y de habitación barata. Un segundo apartado

Joan Vilagrasa



Fundamenta Informaticae XXI (2001) 10011017 1001 Sound Isolation by Harmonic Peak Partition For Music Instrument  

E-print Network

Fundamenta Informaticae XXI (2001) 1001­1017 1001 IOS Press Sound Isolation by Harmonic Peak Partition For Music Instrument Recognition Xin Zhang Department of Computer Science, University of North Carolina, Charlotte NC 28223, USA Zbigniew W. Ra´s Department of Computer Science

Ras, Zbigniew W.


[Biennial Survey of Education, 1926-1928. Bulletin, 1930, No. 16. Chapter XXI - Chapter XXII  

ERIC Educational Resources Information Center

This document contains chapters XXI and XXII of the Biennial Survey of Education document, covering the years 1926-1928. The two chapters are: (21) Statistics of city school systems, 1927-28; and (22) Statistics of universities, colleges, and professional schools for 1927-28. [Due to its size, this bulletin has been processed as three separate…

Office of Education, United States Department of the Interior, 1930



Social Function in Multiple X and Y Chromosome Disorders: XXY, XYY, XXYY, XXXY  

ERIC Educational Resources Information Center

Klinefelter syndrome (47,XXY) was initially described in the context of its endocrinologic and physical features; however, subsequent studies have revealed specific impairments in verbal skills and social functioning. Males with sex chromosomal aneuploidies are known to have variability in their developmental profile with the majority presenting…

Visootsak, Jeannie; Graham, John M., Jr.



Rare Association of Sensorimotor Polyneuropathy and Klinefelter Syndrome (47,XXY): Case Report  

Microsoft Academic Search

Objectives: To describe a case with the rare association of Klinefelter syndrome (47,XXY) and peripheral sensorimotor polyneuropathy. Clinical Presentation and Intervention: A 50-year-old man with Klinefelter syndrome was referred to our neurology clinic complaining of pain, numbness and tingles in both legs, which began 10 years prior to admission. Two years before admission, the patient had difficulty in walking with

E. Kararizou; A. F. Mentis; K. Gkiatas; P. Davaki



598?Quality of Life in Patients with Common Variable Immunodeficiency in the Department of Allergy and Clinical Immunology—Centro Medico Nacional Siglo XXI  

PubMed Central

Background Common variable Immunodeficiency (CVIDs) is characterized by a deficiency in antibody production and also generates enormous morbidity of school absenteeism and dropout or cause layoffs. All chronic diseases affect quality of life of patients, in this particular case CVIDs. The use of instruments like the SF - 36 provides information about the patients' perception of their disease and its environment. The objective is to determine the quality of life of adult patients with CVID who receive replacement therapy through the use of SF-36. Methods We conducted a cross-sectional cohort study, which included all patients diagnosed with CVID in our hospital with approval from local research committee F-2011-3601-21. We analyzed the results with descriptive statistics and the SF-36 was used the method of Rand Group. Results Involving 11 patients with CVID, 4 men and 7 women, average age 30 years (18–53) years. The results show a reduction in quality of life of 65%, without gender difference. However in general we see that men are more affected the physical role 31% and women in the general health 40%, In menthal health assesment, we found that in both genders is more affected in Vitality 55%, and Role Emotional least 84.72%. In relation to physical health, both genders showed greater involvement in aspects of general health 45% and less area affected is physical function 68 %. Conclusions CVID patients show a significant deterioration in their quality of life. It's important to highlight that there are not statistically different variations in quality of life. But the general perception of gender does vary without establishing differences between mental and physical health.

Campos Romero, Freya Helena; Segura Mendez, Nora Hilda; Mendoza, Laura; Guillén, Nelva



Discordant sex in monozygotic XXY/XX twins: a case report.  


We report a case of discordant phenotypic sex in monozygotic twins mosaic 47,XXY/46,XX: monozygotic heterokaryotypic twins. The twins presented with cognitive and comprehension delay, behavioural and language disorders, all symptoms frequently reported in Klinefelter syndrome. Molecular zygosity analysis with several markers confirmed that the twins are in effect monozygotic (MZ). Array comparative genomic hybridization found no evidence for the implication of copy number variation in the phenotypes. Ultrasound scans of the reproductive organs revealed no abnormalities. Endocrine tests showed a low testosterone level in Twin 1 (male phenotype) and a low gonadotrophin level in Twin 2 (female phenotype) which, combined with the results from ultrasound examination, provided useful information for potentially predicting the future fertility potential of the twins. Blood karyotypes revealed the presence of a normal 46,XX cell line and an aneuploïd 47,XXY cell line in both patients. Examination of the chromosome constitutions of various tissues such as blood, buccal smear and urinary sediment not surprisingly showed different proportions for the 46,XX and 47,XXY cell lines, which most likely explains the discordant phenotypic sex and mild Klinefelter features. The most plausible underlying biological mechanism is a post-zygotic loss of the Y chromosome in an initially 47,XXY zygote. This would result in an embryo with both 46,XX and 47,XXY cells lines which could subsequently divide into two monozygotic embryos through a twinning process. The two cell lines would then be distributed differently between tissues which could result in phenotypic discordances in the twins. These observations emphasize the importance of regular paediatric evaluations to determine the optimal timing for fertility preservation measures and to detect new Klinefelter features which could appear throughout childhood in the two subjects. PMID:25336706

Tachon, G; Lefort, G; Puechberty, J; Schneider, A; Jeandel, C; Boulot, P; Prodhomme, O; Meyer, P; Taviaux, S; Touitou, I; Pellestor, F; Geneviève, D; Gatinois, V



Calmodulin regulates dimerization, motility, and lipid binding of Leishmania myosin XXI  

PubMed Central

Myosin XXI is the only myosin expressed in Leishmania parasites. Although it is assumed that it performs a variety of motile functions, the motor’s oligomerization states, cargo-binding, and motility are unknown. Here we show that binding of a single calmodulin causes the motor to adopt a monomeric state and to move actin filaments. In the absence of calmodulin, nonmotile dimers that cross-linked actin filaments were formed. Unexpectedly, structural analysis revealed that the dimerization domains include the calmodulin-binding neck region, essential for the generation of force and movement in myosins. Furthermore, monomeric myosin XXI bound to mixed liposomes, whereas the dimers did not. Lipid-binding sections overlapped with the dimerization domains, but also included a phox-homology domain in the converter region. We propose a mechanism of myosin regulation where dimerization, motility, and lipid binding are regulated by calmodulin. Although myosin-XXI dimers might act as nonmotile actin cross-linkers, the calmodulin-binding monomers might transport lipid cargo in the parasite. PMID:24379364

Batters, Christopher; Ellrich, Heike; Helbig, Constanze; Woodall, Katy Anna; Hundschell, Christian; Brack, Dario; Veigel, Claudia



De un aula virtual plurilingüe a un aula multicultural. Una aproximación desde la perspectiva de la Ciencia Jurídica Europea  

Microsoft Academic Search

Europa constituye, sin duda, una sociedad multicultural. Por este motivo, es preciso que la universidad europea inicie su reflexión sobre la formación multicultural de sus estudiantes y ciudadanos europeos. A una nueva sociedad, debe corresponderle una nueva universidad. La universidad del siglo XXI debe servir a la nueva sociedad del conocimiento en que se ha transformado la sociedad europea. El

Lourdes Salomón; Ana María Delgado García; Rafael Oliver Cuello



A new glide path: re-architecting the Flight School XXI Enterprise at the U.S. Army Aviation Center of Excellence  

E-print Network

This thesis utilizes eight Enterprise Architecture views to analyze the U.S. Army Aviation Center of Excellence's Flight School XXI Enterprise and provides recommendations to improve the effectiveness and efficiency of ...

Enos, James R. (James Robert)



Social Deficits in Male Children and Adolescents with Sex Chromosome Aneuploidy: A Comparison of XXY, XYY, and XXYY syndromes  

PubMed Central

We compare social skills in three groups of males with sex chromosome aneuploidies (SCAs) using the Social Responsiveness Scale (SRS). Participants included males with XXY (N=102, M=10.08 years), XYY (N=40, M=9.93 years), and XXYY (N=32, M=11.57 years). XXY had lower (better) SRS scores compared to XYY and XXYY. Scores were not significantly different between XYY and XXYY. In all groups, there were significantly more with SRS scores in the severe range compared to the SRS normative sample. All groups scored lowest (better) on Social Motivation. Relationships between SRS scores and demographic and clinical variables were examined. Results describe the social skills in males with SCA, and suggest that an additional Y chromosome may contribute to increased risk of autistic behaviors. PMID:22502852

Cordeiro, Lisa; Tartaglia, Nicole; Roeltgen, David; Ross, Judith



Attention-Deficit Hyperactivity Disorder Symptoms in Children and Adolescents with Sex Chromosome Aneuploidy: XXY, XXX, XYY, and XXYY  

PubMed Central

Objective Attentional problems, hyperactivity, and impulsivity have been described as behavioral features associated with sex chromosome aneuploidy (SCA). In this study, the authors compare attention-deficit hyperactivity disorder (ADHD) symptoms in 167 participants aged 6 to 20 years with 4 types of SCA (XXY n = 56, XYY n = 33, XXX n = 25, and XXYY n = 53). They also evaluate factors associated with ADHD symptomatology (cognitive and adaptive scores, prenatal vs postnatal ascertainment) and describe the clinical response to psychopharmacologic medications in a subset of patients treated for ADHD. Methods Evaluation included medical and developmental history, cognitive and adaptive functioning assessment, and parent and teacher ADHD questionnaires containing DSM-IV criteria. Results In the total study group, 58% (96/167) met DSM-IV criteria for ADHD on parent-report questionnaires (36% in XXY, 52% in XXX, 76% in XYY, and 72% in XXYY). The Inattentive subtype was most common in XXY and XXX, whereas the XYY and XXYY groups were more likely to also have hyperactive/impulsive symptoms. There were no significant differences in Verbal, Performance, or Full Scale IQ between children with symptom scores in the ADHD range compared with those below the ADHD range. However, adaptive functioning scores were significantly lower in the group whose scores in the ADHD range were compared with those of the group who did not meet ADHD DSMIV criteria. Those with a prenatal diagnosis of XXY were less likely to meet criteria for ADHD compared with the postnatally diagnosed group. Psychopharmacologic treatment with stimulants was effective in 78.6% (66/84). Conclusions Children and adolescents with SCA are at increased risk for ADHD symptoms. Recommendations for ADHD evaluation and treatment in consideration of other aspects of the SCA medical and behavioral phenotype are provided. PMID:22333574

Tartaglia, Nicole R.; Ayari, Natalie; Hutaff-Lee, Christa; Boada, Richard



Chaotic Extension Neural Network Theory-Based XXY Stage Collision Fault Detection Using a Single Accelerometer Sensor  

PubMed Central

The collision fault detection of a XXY stage is proposed for the first time in this paper. The stage characteristic signals are extracted and imported into the master and slave chaos error systems by signal filtering from the vibratory magnitude of the stage. The trajectory diagram is made from the chaos synchronization dynamic error signals E1 and E2. The distance between characteristic positive and negative centers of gravity, as well as the maximum and minimum distances of trajectory diagram, are captured as the characteristics of fault recognition by observing the variation in various signal trajectory diagrams. The matter-element model of normal status and collision status is built by an extension neural network. The correlation grade of various fault statuses of the XXY stage was calculated for diagnosis. The dSPACE is used for real-time analysis of stage fault status with an accelerometer sensor. Three stage fault statuses are detected in this study, including normal status, Y collision fault and X collision fault. It is shown that the scheme can have at least 75% diagnosis rate for collision faults of the XXY stage. As a result, the fault diagnosis system can be implemented using just one sensor, and consequently the hardware cost is significantly reduced. PMID:25405512

Hsieh, Chin-Tsung; Yau, Her-Terng; Wu, Shang-Yi; Lin, Huo-Cheng



Chaotic extension neural network theory-based XXY stage collision fault detection using a single accelerometer sensor.  


The collision fault detection of a XXY stage is proposed for the first time in this paper. The stage characteristic signals are extracted and imported into the master and slave chaos error systems by signal filtering from the vibratory magnitude of the stage. The trajectory diagram is made from the chaos synchronization dynamic error signals E1 and E2. The distance between characteristic positive and negative centers of gravity, as well as the maximum and minimum distances of trajectory diagram, are captured as the characteristics of fault recognition by observing the variation in various signal trajectory diagrams. The matter-element model of normal status and collision status is built by an extension neural network. The correlation grade of various fault statuses of the XXY stage was calculated for diagnosis. The dSPACE is used for real-time analysis of stage fault status with an accelerometer sensor. Three stage fault statuses are detected in this study, including normal status, Y collision fault and X collision fault. It is shown that the scheme can have at least 75% diagnosis rate for collision faults of the XXY stage. As a result, the fault diagnosis system can be implemented using just one sensor, and consequently the hardware cost is significantly reduced. PMID:25405512

Hsieh, Chin-Tsung; Yau, Her-Terng; Wu, Shang-Yi; Lin, Huo-Cheng



Grupos financieros al servicio del rey de Espaa Fines del siglo XVII -principios del XVIII  

E-print Network

Grupos financieros al servicio del rey de España Fines del siglo XVII - principios del XVIII Existe, en un primer momento, bajo el ángulo casi exclusivo de los servicios financieros al Estado2 . La financieros, arrendamientos de impuestos, derechos señoriales o ingresos privados, suministro de víveres, de

Paris-Sud XI, Université de


Cyberwar XXI: quantifying the unquantifiable: adaptive AI for next-generation conflict simulations  

NASA Astrophysics Data System (ADS)

The era of the "Revolution in Military Affairs," "4th Generation Warfare" and "Asymmetric War" requires novel approaches to modeling warfare at the operational and strategic level of modern conflict. For example, "What if, in response to our planned actions, the adversary reacts in such-and-such a manner? What will our response be? What are the possible unintended consequences?" Next generation conflict simulation tools are required to help create and test novel courses of action (COA's) in support of real-world operations. Conflict simulations allow non-lethal and cost-effective exploration of the "what-if" of COA development. The challenge has been to develop an automated decision-support software tool which allows competing COA"s to be compared in simulated dynamic environments. Principal Investigator Joseph Miranda's research is based on modeling an integrated military, economic, social, infrastructure and information (PMESII) environment. The main effort was to develop an adaptive AI engine which models agents operating within an operational-strategic conflict environment. This was implemented in Cyberwar XXI - a simulation which models COA selection in a PMESII environment. Within this framework, agents simulate decision-making processes and provide predictive capability of the potential behavior of Command Entities. The 2003 Iraq is the first scenario ready for V&V testing.

Miranda, Joseph; von Kleinsmid, Peter; Zalewski, Tony



Executive dysfunction and the relation with behavioral problems in children with 47,XXY and 47,XXX.  


Neuroimaging studies have shown that having an extra X chromosome is associated with abnormal structure and function of brain areas in the frontal lobe, which is crucially involved in executive functioning. However, there is little of knowledge of the type and severity of executive dysfunction, and the impact on emotional and behavioral problems. The present study aims to provide in this. In total, 40 children (23 boys with 47,XXY and 17 girls with 47,XXX) with an extra X chromosome and 100 non-clinical controls (47 boys and 53 girls) participated in the study. The participants were 9-18 years old. Processing speed and executive functioning were assessed using the Amsterdam Neuropsychological Testbattery (ANT) and the Dysexecutive Questionnaire (DEX). Problems in emotional and behavioral functioning were assessed with the Childhood Behavior Checklist (CBCL). Children with an extra X chromosome showed deficits in inhibition, mental flexibility, sustained attention and visual working memory. Parental report showed high levels of everyday manifestations of executive dysfunction. More severe inhibition difficulties were associated with higher levels of thought problems, aggression and rule breaking behavior. Boys and girls with an extra X chromosome could not be differentiated based on severity of executive dysfunction, however, girls had lower information processing speed than boys. These findings suggest that executive dysfunction may be part of the phenotype of children with an extra X chromosome, impacting the ability to function adequately in everyday life. Furthermore, children with impairments in inhibition may have more problems in regulating their thinking, emotions and behavior. PMID:25684214

van Rijn, S; Swaab, H



Artificial grammar learning in zebra finches and human adults: XYX versus XXY.  


Abstracting syntactic rules is critical to human language learning. It is debated whether this ability, already present in young infants, is human- and language specific or can also be found in non-human animals, indicating it may arise from more general cognitive mechanisms. Current studies are often ambiguous and few have directly compared rule learning by humans and non-human animals. In a series of discrimination experiments, we presented zebra finches and human adults with comparable training and tests with the same artificial stimuli consisting of XYX and XXY structures, in which X and Y were zebra finch song elements. Zebra finches readily discriminated the training stimuli. Some birds also discriminated novel stimuli when these were composed of familiar element types, but none of the birds generalized the discrimination to novel element types. We conclude that zebra finches show evidence of simple rule abstraction related to positional learning, suggesting stimulus-bound generalization, but found no evidence for a more abstract rule generalization. This differed from the human adults, who categorized novel stimuli consisting of novel element types into different groups according to their structure. The limited abilities for rule abstraction in zebra finches may indicate what the precursors of more complex abstraction as found in humans may have been like. PMID:25015135

Chen, Jiani; van Rossum, Danielle; ten Cate, Carel



Donor-derived 47, XXY in an unrelated cord blood transplant recipient.  


A 65-year-old Japanese male with therapy-related myelodysplastic syndrome was admitted for unrelated cord blood transplantation. A cord blood unit from a male donor was obtained from the Japan Cord Blood Bank Network. The patient then received a conditioning regimen consisting of fludarabine, intravenous busulfan, and total body irradiation. Successful engraftment was obtained. The bone marrow examination on day 28 revealed trilineage engraftment, and chimerism analysis by variable number of tandem repeat polymerase chain reaction confirmed complete donor chimerism. At that time, conventional cytogenetics of the bone marrow aspirate showed 20 out of 20 metaphases with the 47, XXY karyotype characteristic of Klinefelter syndrome. Klinefelter syndrome is the most common genetic cause of human male infertility with a reported prevalence of 0.1-0.2% in the general population. In Japan Cord Blood Bank Network, there is no informed consent from parents about the possibility that post-unrelated cord blood transplantation patient evaluation may reveal donor-origin inherited diseases including cytogenetic abnormality. It is desirable to have opportunities in Japan discussing whether parents will be notified of the possibility that post-unrelated cord blood transplantation evaluation may reveal donor-derived illness incidentally. PMID:24555174

Kawaguchi, Kuniki; Nakamura, Takayuki; Nohara, Masayuki; Koteda, Satoko; Nomura, Kei; Morishige, Satoshi; Oku, Eijiro; Imamura, Rie; Mouri, Fumihiko; Seki, Ritsuko; Osaki, Koichi; Hashiguchi, Michitoshi; Yoshimoto, Kohji; Nagafuji, Koji; Okamura, Takashi



XXI century projections of wind-wave conditions and sea-level rise in the Black sea  

NASA Astrophysics Data System (ADS)

Projection of regional climate changes for XXI century is one of the priorities of EC environmental programme. Potential worsening of the waves' statistics, sea level rise and extreme surges are the principal negative consequences of the climate change for marine environment. That is why the main purpose of this presentation is to discuss the above issue for the Black sea region (with a strong focus to the south-west subregion because the maximum heights of waves exceeding 10 m occur just here) using output of several global coupled models (GCM) for XXI century, wave simulation, long-term observations of sea level and statistical techniques. First of all we tried to choose the best coupled model (s) simulated the Black sea climate change and variability using the control experiments for 20 century (203). The principal result is as follows. There is not one model which is simulating adequately even one atmospheric parameter for all seasons. Therefore we considered (for the climate projection) different outputs form various models. When it was possible we calculated also the ensemble mean projection for the selected model (s) and emission scenarios. To calculate the wave projection we used the output of SWAN model forced by the GCM wind projection for 2010 to 2100. To estimate the sea level rise in XXI century and future surges statistics we extrapolate the observed sea level rise tendencies, statistical relation between wave heights and sea level and wave scenarios. Results show that in general, the climate change in XXI century doesn't lead to the catastrophic change of the Black sea wind-wave statistics including the extreme waves in the S-W Black sea. The typical atmospheric pattern leading to the intense storm in the S-W Black sea is characterized by the persistent anticyclonic area to the North of the Black sea and cyclonic conditions in the Southern Black sea region. Such pressure pattern causes persistent and strong eastern or north-eastern wind which generates the high waves in the S-E Black sea. The climate projections show that the frequency of such atmospheric pattern will not principally increase. The recent probability of the extreme wave height (exceeding 8 to10 m) in the S-W Black sea (~1 occurrence per 10 years) will not be much worse in XXI century. Similar conclusion is true for the storm surges along the Bulgarian coastline. Expected sea level rise in the Black sea basin for XXI century due to regional climate changes is about 2 mm per year (±50%). However, some Black sea subregions (such as Odessa and Varna bay) are characterized by fivefold sea level rise because of the local land subsidence. So, this geomorphologic effect is the most dangerous local consequence for the sustainable development and management of the coastal zone in such subregions. This study was supported by EC project "THESEUS".

Polonsky, A.; Garmashov, A.; Fomin, V.; Valchev, N.; Trifonova, E.



Programas de Educacion Inicial en America Latina y los Curriculos Nacionales en el siglo XXI. [Latin American Early Childhood Educational Programs and National Curriculum in the 21st Century.  

ERIC Educational Resources Information Center

Describes the history of early childhood education in Chile and recent educational reforms. Offers an overview of the Chilean Early Childhood Education program and discusses the new national curriculum and issues arising from its implementation. Describes methods taken to help implement the new curriculum nationwide and to assist teachers in…

Peralta, Maria Victoria



Decisiones de la máscara neutra: Dramaturgia femenina y fin de siglo en América Latina  

E-print Network

/intérprete puede ser una alegoría perfecta de la identidad nacional, al representarse como una SPRING 1998 9 cuestión de pertenencia, donde la adquisición de las señas de identidad implique un acto performativo de cierta violencia (una representación... y recostruirlo. La tecnología de la representación pretende que la configuración narrativa acarree una refiguración de la experiencia. En la difícil figuración final del siglo, la dramaturgia de mujeres ofrece el beneficio ignorado del eterno...

Martí nez de Olcoz, Nieves



Structural and Functional Neuroimaging in Klinefelter (47,XXY) Syndrome: A Review of the Literature and Preliminary Results from a Functional Magnetic Resonance Imaging Study of Language  

ERIC Educational Resources Information Center

Klinefelter (47,XXY) syndrome (KS), the most common form of sex-chromosomal aneuploidy, is characterized by physical, endocrinologic, and reproductive abnormalities. Individuals with KS also exhibit a cognitive/behavioral phenotype characterized by language and language-based learning disabilities and executive and attentional dysfunction in the…

Steinman, Kyle; Ross, Judith; Lai, Song; Reiss, Allan; Hoeft, Fumiko



An Extra X or Y Chromosome: Contrasting the Cognitive and Motor Phenotypes in Childhood in Boys with 47,XYY Syndrome or 47,XXY Klinefelter Syndrome  

ERIC Educational Resources Information Center

Objective: The goal of this study was to contrast the cognitive phenotypes in boys with 47,XYY (XYY) karyotype and boys with 47,XXY karyotype [Klinefelter syndrome, (KS)], who share an extra copy of the X-Y pseudoautosomal region but differ in their dosage of strictly sex-linked genes. Methods: Neuropsychological evaluation of general cognitive…

Ross, Judith L.; Zeger, Martha P. D.; Kushner, Harvey; Zinn, Andrew R.; Roeltgen, David P.



Informacion sobre la quimioterapia

Provee información en quimioterapia para las personas con cáncer. Incluye preguntas para hacerlas a un doctor o enfermera acerca del tratamiento de quimioterapia y le proporciona un espacio para poner sus respuestas. Incluye información sobre los tratamientos clínicos.


A case with 47,XXY,del(15)(q11;q13) karyotype associated with Prader-Willi phenotype.  


Herein we present the case of a 12-year-old boy who attended our clinic for obesity and hyperphagia. As a newborn he was noted to have diffuse muscular hypotonia and poor sucking response. At the age of 11 years, he was admitted to hospital for respiratory insufficiency. He had personality disorders characterized by temper tantrums and violent outbursts including self-mutilation. Physical evaluation revealed marked central obesity, he had small hands and feet, and also genital hypoplasia. Of the biochemical parameters, hyperglycemia and a low serum testosterone level must be emphasized. The patient fulfills the clinical criteria of typical Prader-Willi syndrome. Cytogenetic and fluorescence in situ hybridization analysis showed a karyotype 47,XXY, del(15)(q11;q13). To our knowledge this is the first report of the aforementioned genotype expressed as Prader-Willi phenotype in childhood. PMID:9195210

Rego, A; Coll, M D; Regal, M; Guitart, M; Escudero, T; García-Mayor, R V



[Petrus Hispanus, medieval physician elected as Pope named John XXI: Sketck of medicine in the Middle Age].  


The Pope John XXI, named Pedro Rebuli Guiliani, was born in Lisbon, Portugal, around 1215. Known as Petrus Hispanus, Master Jullian, Peter of Spain, among other names. Besides medical studies, he studied Theology , Aristotelic Physics and Metaphysics at the University of Paris. He was named Professor of Medicine and Ophthalmology at the University of Sienna in 1247. In addition to several works about medicine, logic, and phylosophy, he authored the Tesaurus Pauperum ("Treasure of the Poor"), a prescription handbook of home-made, simple and cheap remedies. He was archbishop of Braga and Cardinal in 1272 and 1273, respectively. Elected Pope in 1276, he died tragically on May 20, 1277. Precedes this article a sketch of Medieval Medicine with emphasis on the XII and XIII centuries. PMID:24248174

Laval, Enrique



A novel CDKL5 mutation in a 47,XXY boy with the early-onset seizure variant of Rett syndrome.  


Mutations of the cyclin-dependent kinase-like 5 gene (CDKL5), reported almost exclusively in female subjects, have been recently found to be the cause of a phenotype overlapping Rett syndrome with early-onset epileptic encephalopathy. We describe the first CDKL5 mutation detected in a male individual with 47,XXY karyotype. This previously unreported, de novo, mutation truncates the large CDKL5 COOH-terminal region, thought to be crucial for the proper sub-cellular localization of the CDKL5 protein. The resulting phenotype is characterized by a severe early-onset epileptic encephalopathy, global developmental delay, and profound intellectual and motor impairment with features reminiscent of Rett syndrome. In light of the data presented we discuss the possible phenotypic modulatory effects of the supernumerary wild type X allele and pattern of X chromosome inactivation and stress the importance of considering the causal involvement of CDKL5 in developmentally delayed males with early-onset seizures. PMID:19161156

Sartori, Stefano; Di Rosa, Gabriella; Polli, Roberta; Bettella, Elisa; Tricomi, Giovanni; Tortorella, Gaetano; Murgia, Alessandra



PREFACE: 21st Latin American Symposium on Solid State Physics (SLAFES XXI)  

NASA Astrophysics Data System (ADS)

The Latin American Symposium on Solid State Physics (SLAFES) started in Caracas-Venezuela, and over time the symposia have taken place in 9 different Latin American countries. The last five events took place in Mérida-Venezuela (2002), Havana-Cuba (2004), Puebla-Mexico (2006), Puerto Iguazú-Argentina (2008) and Maragogi-Brazil (2011). During the last years, in the different SLAFES editions, the aim has been to bring together researches from Latina America and invite renowned scientists from around the world to a unique forum to discuss the latest developments regarding Solid state Physics. The 21st Latin American Symposium on Solid State Physics (SLAFES XXI) was held in Villa de Leyva-Colombia, from September 30 to October 04, 2013. The 21st SLAFES version featured the participation of experts in various areas of Solid State Physics from countries such as Belgium, Germany, United States, Spain, Ireland, Chile, Argentina and Brazil, had 270 submitted works and was attended by 140 researchers. The development of this event was made possible by financial support from the Universidad Pedagógica y Tecnológica de Colombia, Universidad Nacional de Colombia, Universidad del Norte-CO, Universidad de Magdalena-CO, Universidade Federal de Pernambuco-BR and the Academia Colombiana de Ciencias Exatas, Naturales y Física. Editors Professor J Albino Aguiar Departamento de Física Universidade Federal de Pernambuco 50670-901 Recife PE Brazil e-mail: Professor Jairo Roa-Rojas Grupo de Física de Nuevos Materiales Departamento de Física Universidad Nacional de Colombia A.A. 5997 Bogotá DC, Colombia e-mail: Professor Carlos Arturo Parra Vargas Grupo Física de Materiales Escuela de Física Universidad Padagógica y Tecnológica de Colombia Tunja Colombia e-mail: Professor David A Land\\'i nez Téllez Grupo de Física de Nuevos Materiales Departamento de Física Universidad Nacional de Colombia A.A. 5997 Bogotá DC Colombia e-mail: Professor Laura T Corredor Bohórquez Departamento de Física Universidade Federal de Pernambuco 50670-901 Recife PE Brazil e-mail: Professor Arkady Shanenko Departamento de Física Universidade Federal de Pernambuco 50670-901 Recife PE Brazil e-mail: Professor Renato F Jardim Instituto de Física Universidade de S\\~ao Paulo CP 66318 S\\~ao Paulo SP Brazil e-mail: Professor Francois Peeters Department Fysica Universiteit Antwerpen Groneneborgerlann 171 B-2020, Antwerpen Belgium e-mail: Organizing committee ChairmanCarlos Arturo Parra Vargas Proceedings EditorJosé Albino Aguiar Program ChairJairo Roa-Rojas SecretaryAura Janeth Barón González TreasurerArmando Sarmiento Santos Speaker ChairRafael González Hernández Fernando Naranjo Mayorga David A Landínez Téllez Jesús Oswaldo Morán José Sierra Ortega

Aguiar, J. Albino



Poderes y legitimidad de la renta en el País Valenciano: las elites agrarias en el siglo XIX  

Microsoft Academic Search

Los autores destacan la importancia de la propiedad agraria en Europa durante la «era del capital» de mediados del siglo xix. En su opinión, este papel clave debe conectarse —en la línea expuesta por Tocqueville, Hegel o Bismarck—con una noción especial de la formación del Estado tras la experiencia de la revolución liberal. En el caso valenciano, la renovada élite

Salvador Calatayud; Jesús Millán; M. a Cruz Romeo



"An assessment of changes the Danube river flow along the Iron Gate gorge for XXI century  

NASA Astrophysics Data System (ADS)

The research was dedicated to foreseeing the possible impacts of climate change on water resources in eastern part of Serbia, along the Danube catchment. The Danube basin is in the eastern section of the considered RCM ( Regional climate model). For this purposes, the RCM EBU-POM according to the IPCC scenario A1B, was used in its representation of the hydrological balance over the Danube river basin along Iron Gate gorge, for the time frame 1961-1990 and 2071-2100. The Danube's catchment encompasses continental climate, as it is land-dominated by advection from the surrounding land areas. This part of Danube catchment is greatly affected by the Mediterranean climate, since the Danube runoff gives a relevant contribution of freshwater flux into the Mediterranean sea and it is dependent mostly on precipitated water of Mediterranean origin. On the other, the Dinaric-Balkan mountain chains in the west and the Carpathian mountain bow in the north and east, present distinctive morphological and climatic regions and barriers. Prior to the assessment of changes of water resources of the Danube river, including the climate change effects, there was determined the terrain's spatial regionalization. Having been aware of the climatic-hydrologic and hydrographic homogeneity of regions, the whole territory of Serbia was divided into 20 units basins. The part of Danube basin in its eastern part, was subject of the research. For this balance unit, the main components of the balance equation of the water that included into the calculation are: precipitation P (mm), flow Q (m3/s), runoff depth h (mm), evaporation E (mm) and annual air temperature T (0C). The hydrological balance has been computed in two different, but in principle equivalent ways. The first approach, which has a more hydrological nuance, relies on establishing relationships between annual averages of the hydrological balance parameters (E, P, T) for the time frame 1961-1990 in order to get relevant coefficients. The second approach, which is more typically meteorological, relies on the calculation of the E for the time frame 2071-2100 by using the previous coefficients. On the basis of the assessment of climate units in the XXI century and with help of the established relationships, the water flow of Danube river and runoff depth were defined for this century. The results according to this model, show that the river flow of the Danube, in this part of its basin, will decrease over 50% with a great consequences to the dams Iron Gate I and II, their accumulations and ecosystems. Furthermore, if we take into account predictions made by IPCC which say that the south-east Europe will face temperature growth of 0.2 degrees in the next two decades for the range of SRES scenarios, makes the whole problem much more complicated and alarming. Results also show that precipitation's peak in the early summer months and in November, which gives more often a secondary maximum, is the typical feature of the observed climatology of the precipitation of the Danubian region. The minima of precipitation are also clustered in two periods of the year, namely February and the summer months. The latter minimum is a signature of the influence of the typical Mediterranean summer. As an output of all that, as has been mentioned above, this part of Europe will face with worse conditions (high temperatures, droughts) in a region already vulnerable to climate variability, than those of 2003 when Europe was hit by an incredible heat wave. Reductions of water availability, hydropower potential, summer tourism and general crop productivity are certainly appearances which are to be expected in this area. In turns of the results, one question has arisen: Should we adapt to the climate change, or should we mitigate it? Maybe, the answer is in mitigation while doing adaptation. According to the Danube river in this region, the works for fighting reservoir related bank erosion in order to preserve the dam and accumulation have already been started. Also protection of the natural resources and the ecosystem, w

Adamovic, M.



New trends in light and optics teaching; building bridges to the information society--the OPTICA XXI project  

NASA Astrophysics Data System (ADS)

In our emerging Society of Information, Light and Optics have a crucial importance not only in Science and Technology but also in the widest range of aspects of our every day life. In this communication we will present a project presented to the EC program Socrates action Comenius 3. The project aims the establishment of a network, the OPTICA XXI network, involving eighteen educational institutions from seven European countries and a transnational consortium (CoLoS - Conceptual Learning Of Science). Our activities are focused on the development and promotion at European scale of new positive good practices on teaching optics and optics related technologies at basic and secondary schools by leading the students to an active volunteer and committed participation in the teaching/learning process through practice and experimentation, making intensive use of the new instruments and resources of the Information Society. Text and workbooks with electronic interactive versions will be produced in all languages of the countries involved. Educational hands on kits of experiments with different levels of difficulty, from basic optics to photonics and telecommunications, will be produced and commercialized. Interactive web sites and virtual simulation tools and labs will be established. Two international conferences will be held as well as a number of course for schoolteachers and contests and activities for school students.

Costa, Manuel F. M.



El acceso al episcopado en la Monarqua Hispnica (1789-1800)* La ltima dcada del siglo XVIII, clave por las repercusiones polticas del primer ciclo  

E-print Network

del siglo XVIII, con el objetivo de comprobar hasta qué punto los factores de uno u otro origen, Francis: Kingship. The Politics of Enchantment, Blackwell, Malden/Oxford/Carlton, 2006, pp. 140-142. 2 AGS

Paris-Sud XI, Université de


Summaries of oral sessions at the XXI World Congress of Psychiatric Genetics, Boston, Massachusetts, 17-21 October 2013: state of the field.  


The XXI World Congress of Psychiatric Genetics (WCPG), sponsored by the International Society of Psychiatric Genetics (ISPG), took place in Boston, Massachusetts, on 17-21 October 2013. Approximately 900 participants gathered to discuss the latest findings in this rapidly advancing field. The following report was written by student travel awardees. Each was assigned one or more sessions as a rapporteur. This manuscript represents topics covered in most, but not all of the oral presentations during the conference, and contains some of the major notable new findings reported. PMID:24912047

Akpudo, Hilary; Aleksic, Branko; Alkelai, Anna; Burton, Christie; Carillo Roa, Tania; Chen, David T W; Cheng, Min-Chih; Cocchi, Enrico; Davis, Lea K; Giori, Isabele G; Hubbard, Leon M; Merikangas, Alison; Moily, Nagaraj S; Okewole, Adeniran; Olfson, Emily; Pappa, Irene; Reitt, Markus; Singh, Ajeet B; Steinberg, Julia; Strohmaier, Jana; Ting, Te-Tien; van Hulzen, Kimm J E; O'Shea, Anne; DeLisi, Lynn E



" Using the impact model in order to predict the Danube river flow in the last quarter of the XXI century  

NASA Astrophysics Data System (ADS)

The paper has intercompared and verified Regional Climate Model (RCM) EBU-POM in its representation of the hydrological balance over the Danube river basin along Iron Gate gorge, for the time frame 1961-1990 and 2071-2100 according to the IPCC SRES scenario A1B. The Danube has been chosen as a case study because of its multiple relevance for socioeconomical, as well as environmental and climatic level. This part of the Danube river basin has a direct relevance to the Mediterranean region, since it provides a relevant input of freshwater to the sea, as well as being fuelled mostly by precipitations due to the water of Mediterranean origin. On the other, the Dinaric-Balkan mountain chains in the west and the Carpathian mountain bow in the north and east, present distinctive morphological and climatic regions and barriers. Having been aware of the climatic-hydrologic and hydrographic homogeneity of regions, the whole territory of Serbia is divided into 20 units basins. The part of Danube basin in its eastern part present one of them, and was subject of the research. For this balance unit, the main components of the balance equation of the water that included into the calculation are: precipitation P (mm), flow Q (m3/s), runoff depth h (mm), evaporation E (mm) and annual air temperature T (0C). The hydrological balance has been computed in two different, but in principle equivalent ways. The first approach, which has a more hydrological nuance, relies on establishing relationships between annual averages of the hydrological balance parameters (E, P, T) in order to get relevant coefficients. The second approach, which is more typically meteorological, relies on the calculation of the E for the time frame 2071-2100 by using the previous coefficients. On the basis of the assessment of climate parameters in the XXI century and with help of the established relationships, the water flow of Danube river and runoff depth were defined for this century. The outcomes are very troublesome since according to these simulation the discharge in this part of the Danube basin will decrease over 50% with a great consequences to the Iron Gate I and II dams, and their accumulations. As a result of all that, this part of Europe will face with worse conditions (high temperatures, droughts) in a region already vulnerable to climate variability, than those of 2003 when Europe was hit by an incredible heat wave. Reductions of water availability, hydropower potential, summer tourism and general crop productivity are certainly appearances which are to be expected in this area. So on, when talking about climate change, a question always arises: Should we adapt to the climate change, or should we mitigate it? Maybe the answer is in mitigation while doing adaptation. According to the Danube River and the dam Iron Gate I, the works for fighting reservoir related bank erosion in order to preserve the dam and accumulation have already been started. Also protection of the natural resources and the ecosystem, which urged the performance actions of restoration of nature and reintegration of temporarily occupied lands and landscape improvement (like maintenance of verdure spots), started to happen. Pushing and raising the problem of climate change to the surface, what should be reality and the global prime issue, is a way to get community involved in order to preserve its existence.

Adamovic, M.




Microsoft Academic Search

Los libretos de los ballets de cour franceses de la primera mitad del siglo XVII reflejan una «confusión de sentimientos» hacia la nación vecina. Por un lado, dejan constancia de que la moda «a la española» se había implantado en esa corte. Son constantes en estas fuentes las alusiones a productos españoles, a instrumentos musicales y danzas de origen español,

Clara Rico Oses




Microsoft Academic Search

El análisis del conjunto de aportaciones al repertorio didáctico para violín, viola y violoncello, realizadas por autores vinculados al Conservatorio de Madrid durante el siglo XIX, pone de manifiesto la conexión de la enseñanza de cuerda con modelos europeos, al tiempo que representa un capítulo imprescindible dentro del estudio de la música instrumental española en esa centuria. El Método Elemental

Mónica García Velasco



Los orígenes y las trayectorias empresariales de dos laboratorios argentinos a lo largo del siglo XX: La Fármaco Argentina y Roux Ocefa  

Microsoft Academic Search

En este trabajo se analiza las trayectorias empresariales de dos laboratorios argentinos a lo largo del siglo XX: La Fármaco Argentina S.A. y Roux Ocefa S.A. El propósito es estudiar el desenvolvimiento de ambas firmas durante ese período, para identificar y comparar el comportamiento de los principales indicadores con que hemos definido la cultura empresarial. La capacidad para mantenerse en

Ana Pfeiffer; Mónica Campins



De la mujer social a la mujer azul: la reconstrucción de la feminidad por las derechas españolas durante el primer tercio del siglo XX  

Microsoft Academic Search

Durante las décadas finales del siglo XIX y las primeras del XX, el acercamiento de las mujeres españolas hacia el espacio público y el ámbito de la política fue teorizado por los grupos derechistas y católicos, que se vieron impulsados por la necesidad de integrar en sus movimientos políticos nuevos sectores sociales, como las mujeres. El modelo de feminidad y

Rebeca Arce Pinedo



Proceedings of the Twenty-First NASA Propagation Experiments Meeting (NAPEX XXI) and the Advanced Communications Technology Satellite (ACTS) Propagation Studies Miniworkshop  

NASA Technical Reports Server (NTRS)

The NASA Propagation Experimenters (NAPEX) meeting is convened each year to discuss studies supported by the NASA Propagation Program. Representatives from the satellite communications industry, academia and government who have an interest in space-ground radio wave propagation are invited to NAPEX meetings for discussions and exchange of information. The reports delivered at this meeting by program managers and investigators present recent activities and future plans. This forum provides an opportunity for peer discussion of work in progress, timely dissemination of propagation results, and close interaction with the satellite communications industry. NAPEX XXI took place in El Segundo, California on June 11-12, 1997 and consisted of three sessions. Session 1, entitled "ACTS Propagation Study Results & Outcome " covered the results of 20 station-years of Ka-band radio-wave propagation experiments. Session 11, 'Ka-band Propagation Studies and Models,' provided the latest developments in modeling, and analysis of experimental results about radio wave propagation phenomena for design of Ka-band satellite communications systems. Session 111, 'Propagation Research Topics,' covered a diverse range of propagation topics of interest to the space community, including overviews of handbooks and databases on radio wave propagation. The ACTS Propagation Studies miniworkshop was held on June 13, 1997 and consisted of a technical session in the morning and a plenary session in the afternoon. The morning session covered updates on the status of the ACTS Project & Propagation Program, engineering support for ACTS Propagation Terminals, and the Data Center. The plenary session made specific recommendations for the future direction of the program.

Golshan, Nasser (Editor)



Evaluación de creencias sobre ciencia, tecnología y sus relaciones mutuas  

Microsoft Academic Search

En este artículo se evalúan las creencias de una amplia muestra de estudiantes sobre los conceptos de ciencia, tecnología y sus relaciones mutuas, utilizándose para ello nueve preguntas incluidas en el Cuestionario de Opiniones sobre Ciencia, Tecnología y Sociedad (COCTS). Los resultados muestran algunas ideas aceptables sobre la ciencia, mientras que la tecnología se identifica sobre todo con sus productos

Olleros Gregorio



Performance evaluation of a non-hydrostatic regional climate model over the Mediterranean/Black Sea area and climate projections for the XXI century  

NASA Astrophysics Data System (ADS)

In the framework of the Work Package 4 (Developing integrated tools for environmental assessment) of PERSEUS Project, high resolution climate simulations have been performed, with the aim of furthering knowledge in the field of climate variability at regional scale, its causes and impacts. CMCC is a no profit centre whose aims are the promotion, research coordination and scientific activities in the field of climate changes. In this work, we show results of numerical simulation performed over a very wide area (13W-46E; 29-56N) at spatial resolution of 14 km, which includes the Mediterranean and Black Seas, using the regional climate model COSMO-CLM. It is a non-hydrostatic model for the simulation of atmospheric processes, developed by the DWD-Germany for weather forecast services; successively, the model has been updated by the CLM-Community, in order to develop climatic applications. It is the only documented numerical model system in Europe designed for spatial resolutions down to 1 km with a range of applicability encompassing operational numerical weather prediction, regional climate modelling the dispersion of trace gases and aerosol and idealised studies and applicable in all regions of the world for a wide range of available climate simulations from global climate and NWP models. Different reasons justify the development of a regional model: the first is the increasing number of works in literature asserting that regional models have also the features to provide more detailed description of the climate extremes, that are often more important then their mean values for natural and human systems. The second one is that high resolution modelling shows adequate features to provide information for impact assessment studies. At CMCC, regional climate modelling is a part of an integrated simulation system and it has been used in different European and African projects to provide qualitative and quantitative evaluation of the hydrogeological and public health risks. A simulation covering the period 1971-2000 and driven by ERA40 reanalysis has been performed, in order to assess the capability of the model to reproduce the present climate, with "perfect boundary conditions". A comparison, in terms of 2-metre temperature and precipitation, with EOBS dataset will be shown and discussed, in order to analyze the capabilities in simulating the main features of the observed climate over a wide area, at high spatial resolution. Then, a comparison between the results of COSMO-CLM driven by the global model CMCC-MED (whose atmospheric component is ECHAM5) and by ERA40 will be provided for a characterization of the errors induced by the global model. Finally, climate projections on the examined area for the XXI century, considering the RCP4.5 emission scenario for the future, will be provided. In this work a special emphasis will be issued to the analysis of the capability to reproduce not only the average climate trend but also extremes of the present and future climate, in terms of temperature, precipitation and wind.

Mercogliano, Paola; Bucchignani, Edoardo; Montesarchio, Myriam; Zollo, Alessandra Lucia



La Biomedicina del segle XXI  

Microsoft Academic Search

En els darrers trenta anys, la nostra societat ha assistit perplexa al desenvolupament\\u000ad'una revolució que, sens dubte, la història jutjarà com la de més transcendència des que\\u000aels humans habiten el planeta Terra. Ens referim a l'immens progrés en el coneixement de\\u000ala ciència i la tècnica i al desenvolupament de les seves aplicacions.\\u000aLa biologia i, en particular,

Jaume Reventós i Puigjaner; Antonio Salgado; Miguel Abal; Andreas Doll; Jordi Barquinero Mañez



Avances en el estudio sobre la estrongiloidosis  

Microsoft Academic Search

Resumen La estrongiloidosis es una infección parasitaria de am- plia distribución mundial, sobre todo en zonas tropicales y sub-tropicales. Strongyloides tiene varias especies de las cuales Strongyloides stercolaris y Strongyloides fulleborni son las únicas que tienen importancia en el hombre. S. stercolaris es un helminto de predominio in- testinal, aunque puede diseminarse y producir elevada mortalidad en individuos inmunosuprimidos. Estas

Ana L. Ruano; Teresa Martín; Javier Pardo; Julio López-Abán; Antonio Muro


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




Sobre el poder, fatal, de la llegenda  

Microsoft Academic Search

Català:<\\/b> Reflexió sobre l'impacte de l'accés dels Borja al poder pontifici i polític en general, com a origen de la llegenda creada al voltant de la família.\\u000aEnglish:<\\/b> Reflections on the impact of Borgia's papacy and political enpowerment upon the origin of the black legend constructed around their family.\\u000aItaliano:<\\/b> Riflessione sull'impatto dell'accesso dei Borgia al potere pontificio e politico

Joan F. Mira



Este encuentro internacional pretende proponer, a nivel de Europa occidental, un debate sobre cuestiones relacionadas con la arquitectura funeraria y la  

E-print Network


Escolano, Francisco


El MAL Y LA POSESIÓN DIABOLICA: Un análisis crítico sobre los conceptos de contaminación y tabú  

Microsoft Academic Search

EVIL AND DEMONIC POSSESSION: A Critical Analysis of Concepts of Pollution and Taboo El presente artículo estudia las nociones de pureza y peligro en una de las antropólogas más influyentes del siglo XX. En este sentido, con una capacidad analítica sobresaliente, Douglas establece un convincente puente entre el tabú, la higiene, el peligro y la contaminación. Sin embargo como se

Maximiliano E. Korstanje


Bibliografa bsica, webs y blogs sobre mujer e islam  

E-print Network

Bibliografía básica, webs y blogs sobre mujer e islam: [La bibliografía y las referencias en Internet sobre mujer e islam es amplísima. Aquí solo presentamos unos pocos títulos. ] - L. Abu-Lughod (ed, 1996, - L. Ahmed, Women and gender in Islam: historical roots of a modern debate, New Haven: Yale

Escolano, Francisco


Lo que usted necesita saber sobre™ el cáncer de cérvix

Contiene información sobre las opciones de tratamiento, la obtención de una segunda opinión, los cuidados de seguimiento y las fuentes de apoyo para alguien que ha sido diagnosticado recientemente con cáncer de cérvix o cuello uterino.



E-print Network

This paper presents an overview of advanced space propulsion concepts and their research activities at the beginning of the 2lSt Century. If successfully developed, these concepts will enable in the coming decades the implementation of propulsion technologies that will reduce the cost of access to space and/or enable aggressive exploration, and ultimately exploitation of the Solar System and beyond. This paper focuses primarily on mid- to far-term in-space propulsion applications, although advanced launch concepts (e.g., launch assist catapults) are also discussed briefly. Examples of advanced propulsion concepts to be discussed include advanced chemical propulsion (high-energy density materials, gelled propellants, etc.), nuclear propulsion (fission, fusion, and antimatter annihilation), electric propulsion (solar- and nuclear-electric propulsion power systems and electric propulsion thrusters), micropropulsion, beamed-energy propulsion (e.g., solar/laser/microwave thermaYelectric combinations), beamed-momentum propulsion (e.g., solar/laser/microwave sails, electromagnetic/plasma sails), aero/gravity assist, launch assist catapults, tethers (momentum exchange and electrodynamic), extra-terrestrial resource utilization, and breakthrough physics propulsion.

unknown authors


Educacion intercultural (Intercultural Education).  

ERIC Educational Resources Information Center

This journal, which provides abstracts of its articles primarily in Spanish and a couple in English, contains studies (estudios) and notes (notas), as well as relevant book reviews (recensiones). Studies in this issue (No. 4, 2003) are: "Estrategias de Ensenanza para la Educacion Civica y Ciudadana en el Siglo XXI" (Teaching Strategies for Civic…

Estudios sobre Educacion, 2003



E-commerce, la otra cara del comercio latinoamericano  

Microsoft Academic Search

El siglo XXI ha marcado grandes cambios en la modalidad analítica de los paradigmas de las relaciones económicas y, específicamente, comerciales del sistema internacional. Actualmente, conceptos como globalización o interdependencia no se discuten en la cotidianeidad de los debates y análisis de las relaciones internacionales. Esta situación se agudiza con la utilización cada vez más frecuente de Internet como herramienta

Diego Maturi


(DOCFRADIS 1201) Estrategia publicitaria del minorista en las redes sociales. Factores que motivan las compras en la web 2.0  

Microsoft Academic Search

El uso de las redes sociales, como estrategia publicitaria del minorista, favorece la comunicación interactiva de la marca y sus productos y motiva las compras, en la web 2.0, produciéndose una revolución en el paradigma estimulo-respuesta del siglo XXI. El trabajo analiza la potencialidad de la interactividad como estrategia de marca en las redes sociales e identifica los factores clave

Ines Küster Boluda; Natalia Vila López; Asunción Hernández Fernández



Innovación conducida por la utilidad (ICU). Reflexiones desde las ciencias de la vida  

Microsoft Academic Search

El abordaje interdisciplinar de los problemas es hoy esencial para desarrollar la nueva ciencia. Ese es el caso de las grandes convergencias de tecnologías que caracterizarán al Siglo XXI, como la conocida NBIC(Nano, Bio, Info y Cognos) o la GRIN (Genómica, robótica, infonomía y nanotecnología). Estamos rediseñando artificialmente sistemas tremendamente complejos mediante la manipulación de los principios elementales encontrados, que

Julio Lorca




E-print Network

historiador del arte. BLOQUE II: "EN TRÁNSITO: DEMOCRACIA Y POSMODERNIDAD PLURAL (1976-1999)" 10,00 a 11 marzo 16,00 a 17,00 // 3ª CONFERENCIA: "La vanguardia alicantina en el despertar de la democracia Doctor en Bellas Artes BLOQUE III: "EL ARTE DEL SIGLO XXI: HIBRIDACIONES Y GLOBALIZACIONES" 18,00 a 19

Escolano, Francisco


El MUA y la Sede Ciudad de Alicante dedican un seminario a las Artes Plsticas y Visuales en Alicante (1960-2013)  

E-print Network

"; "En tránsito: Democracia y Posmodernidad Plural (1976-1999)" y "El Arte del siglo XXI: Hibridaciones y Globalizaciones". Artistas de la categoría de Eduardo Lastres, Adriano Carrillo, Joan Castejón, Josep Díaz Azorín

Escolano, Francisco


Impacto Económico Y Social Del Proyecto Patios Productivos Implementado Por Las Comunidades Vulnerables De Los Departamentos De Bolívar, Córdoba Y Suc  

Microsoft Academic Search

La inseguridad alimentaria, la pobreza y el desmejoramiento del medio ambiente, son algunos de los mayores desafíos que las ciudades han tenido que afrontar, aun con mayor ímpetu desde principios del siglo XXI. Al respecto se han desarrollado programas y proyectos, como el de Patios Productivos, para hacerle frente a la anterior situación; el propósito de la presente investigación fue

Andrea Acevedo Flórez; Adriana Morales Botett; Catalina Ramos Garcés




Microsoft Academic Search

El presente artículo pretende exponer los diferentes retos que presentan la educación y el aprendizaje del siglo XXI mediante la exposición de las particularidades que presenta el conocimiento adquirido por el hombre a través de su historia. Se basa fundamentalmente en algunos planteamientos ofrecidos por Edgar Morín en su libro “Los siete saberes necesarios para la educación del futuro” ,

Mildreth Larquin Castillo




E-print Network

Universitat Polit`ecnica de Catalunya Diagonal 647, 08028 Barcelona 25/07/96 Indice Introducci'on. 1. El grupo no se pretende dar un panorama bibliogr'afico sobre la K ­teor'ia. Estas notas tienen su origen en

Politècnica de Catalunya, Universitat


Hoja informativa sobre la calidad del aire interior  

E-print Network

promover la salud y la calidad de vida mediante la prevención y el control de las enfermedades, lasHoja informativa sobre la calidad del aire interior La mala calidad del aire interior proviene de de uso doméstico como limpiadores y pesticidas Cómo mejorar la calidad del aire interior · Abra las


Tesis de Licenciatura Sobre el trabajo no publicado  

E-print Network

Tesis de Licenciatura Sobre el trabajo no publicado de Alan M.Turing "A note on normal numbers Esta tesis est´a basada en el manuscrito no publicado de Alan Turing titulado "A note on normal numbers #12;1. Introducci´on En este trabajo hacemos una revisi´on del manuscrito de Alan M. Turing titu- lado

Becher, Verónica


Lo que usted necesita saber sobre™ el cáncer de seno

Contiene información sobre las opciones de tratamiento, los diferentes médicos que tratan el cáncer de seno, la obtención de una segunda opinión, los cuidados de seguimiento y las fuentes de apoyo para alguien que ha sido diagnosticado recientemente con cáncer de seno.


Efectos de las fusiones sobre el mercado financiero colombiano  

Microsoft Academic Search

Este trabajo examina los efectos de las fusiones en el sistema ban- cario sobre la eficiencia del sistema y los precios. Se encuentra que los bancos que han atravesado procesos de fusiones pueden experimentar mejoras en los indices de eficiencia en beneficios. Estas mejoras en eficiencia fueron superiores para aquellos bancos que presentaban rankings de eficiencia más bajos antes de

Dairo Estrada



Myotis mystacina en Galicia PRIMEROS DATOS SOBRE EL MURCILAGO  

E-print Network

Myotis mystacina en Galicia 41 PRIMEROS DATOS SOBRE EL MURCI�LAGO BIGOTUDO Myotis mystacina primera vez la presencia del Murciélago Bigotudo, Myotis mystacina, en Galicia (No- roeste de España). Un. Palabras clave: distribución, Galicia, Murciélago Bigotudo, Myotis mystacina, Península Ibérica

Galán, Pedro


Un estudio sobre el uso de algoritmos geneticos multimodales  

E-print Network

Un estudio sobre el uso de algoritmos geneticos multimodales para seleccion de caractersticas J propuestas de algoritmos geneticos multimodales pa- ra seleccion de caractersticas como etapa de reduc- cion. La ex- perimentacion realizada muestra la adecuacion de es- te tipo de algoritmos geneticos para el

Granada, Universidad de


Consideraciones sobre la función de inversión en España  

Microsoft Academic Search

En este artículo se realiza un estudio detenido del modelo para la inversión estimado por Andrés et al. (1990). Dicha estimación contiene filtros racionales con raíces complejas que producen respuestas oscilantes ante variaciones de tipo impulso sobre las variables explicativas. Se detecta que tal característica de los filtros se debe a que las oscilaciones en la inversión ocurridas en los

Antoni Espasa; Eva Senra



Microsoft Academic Search

Resúmen.- Este artículo consiste en un comentario sobre la encuesta de fenómenos psíquicos en Brasil recientemente publicada por Zangari y Machado (1996). La encuesta puede considerarse como un trabajo pionero en América Latina. El estudio contribuye a nuestros conocimientos en términos de la incidencia de los reportes de fenómenos, la fenomenología de las experiencias, la comparación con fenómenos de los

Carlos S. Alvarado


Epidemiologia lesional en un club d'hoquei sobre herba  

Microsoft Academic Search

Objectiu: Descriure la incidència, la severitat, el tipus i la distribució anatòmica de les lesions en un club d'hoquei sobre herba espanyol durant 3 temporades consecutives (2002-03, 2003-04 i 2004-05). Material i mètodes: Es van recopilar retrospectivament totes les lesions esdevingudes en els equips de divisió d'honor, masculí i femení, integrats ambdós per un total de 18 jugadors i jugadores.

Daniel Medina Leal; Luciana Moizé Arcone; Javier Yanguas Leyes; Arturo Bros Menéndez; Belén Simón Lobera



Nobel da Medicina em debate sobre a importncia da cincia  

E-print Network

Nobel da Medicina em debate sobre a importância da ciência lisboa O Nobel da Medicina e atual presidente da Royal Society (a congénere britânica da Acade- mia das Ciências) , Paul Nurse, está hoje em Lisboa para falar de ciên- cia e da forma como ela pode ser eficaz e imprescindível nas socie- dades

Instituto de Sistemas e Robotica


Información sobre el cáncer para hispanos y latinos

Cada vez más estadounidenses sobreviven al cáncer y continúan llevando vidas productivas. Sin embargo, muchos hispanos y latinos en los Estados Unidos no han escuchado este mensaje, y no se han beneficiado de los adelantos en los campos de la detección temprana y el tratamiento. El nuevo sitio web del Instituto Nacional del Cáncer,, lanzado el día 2 de abril de 2007, comunica enérgicamente el mensaje de que el cáncer puede prevenirse y tratarse, y ofrece, además, información sobre todos los aspectos de la enfermedad.


Reflexión bioética sobre el uso de organismos genéticamente modificados  

PubMed Central

El presente artículo reflexiona desde los 4 principios de la bioética el uso comercial de organismos genéticamente modificados. Se cuestiona fundamentalmente la falta de transferencia de tecnología entre el mundo desarrollado y en desarrollo y el que el presente sistema de patentamiento de organismos vivos modificados fomenta intereses comerciales y no da debida importancia al desarrollo sostenible de la agricultura y ganadería en los países en desarrollo, donde más se necesita. Se reflexiona sobre la importancia que tiene evaluar los riesgos antes de introducirse en el mercado organismos genéticamente modificados y la necesidad de regulación en los países. PMID:21927675

Yunta, Eduardo Rodríguez



Fusion EnergyFusion Energy Powering the XXI centuryPowering the XXI century  

E-print Network

of years Fuel abundant (available world-wide) No Greenhouse gases (CO, CO2) and no acid rain (SO2, NO2, Vilamoura, Portugal #12;Average temperature in the north hemisphere at the surface CO2 concentration readings Temperature readings CO2 data from ice cores Global warming is already happening There is evidence


Aproximación al sistema contable de los talleres ferroviarios de MZA durante el siglo XIX. (Approach to the accounting system of the railroad workshops of MZA in the 19th century)  

Microsoft Academic Search

El ferrocarril es tradicionalmente uno de los sectores más estudiados por la investigación histórica, tanto en España como en el resto de los países desarrollados, motivado por el importante papel desempeñado en el progreso económico. Dentro del estudio de la historia económica del ferrocarril, destacan las pocas investigaciones realizadas sobre los registros contables, lo cual es fundamental pues está consensuado

Miguel Ángel Villacorta Hernández; Tomás Martínez Vara




Microsoft Academic Search

RESUMEN. Notas taxonómicas sobre el género Valerianella Mill. (Valerianaceae) para la Flora Ibérica. Sobre la base de estudios experimentales que han puesto de manifiesto que Valerianella coronata y V. pumila no son sino dos morfotipos de una misma especie, que difieren fundamentalmente en caracteres carpológicos, se plantea la hipótesis de que igual sucede en el caso de V. locusta V.

Juan Antonio DEVESA; Josefa LÓPEZ; Raúl GONZALO




E-print Network



Mineria de datos sobre grafos: un enfoque multiobjetivo aplicado a bioremediacion  

E-print Network

Miner´ia de datos sobre grafos: un enfoque multiobjetivo aplicado a bioremediaci´on J. Zaiat1 and R subdividirlo en varias submol´eculas inocuas. La miner´ia de datos resulta entonces una herramienta muy ´util para resolver este problema, sin embargo existen pocos trabajos sobre miner´ia de datos aplicada

Granada, Universidad de


Alfabetización astronómica  

NASA Astrophysics Data System (ADS)

A fines de 1991, en una revista de educación en ciencias, José L. Sérsic reflexionaba acerca de los problemas que enfrentaría la enseñanza de los conocimientos astronómicos en nuestro país, en los umbrales del Siglo XXI. Entonces postulaba como un objetivo mínimo, que los jóvenes deberían mostrar signos claros de que se hallan astronómicamente alfabetizados. Era el año en que se realizaba por primera vez una Asamblea General de I.A.U. en Buenos Aires, una oportunidad de singulares características para la comunidad astronómica local y, simultáneamente el comienzo de un cambio radical en la estructura del sistema educativo argentino. ?`Contempla ese cambio el objetivo que postulara Sérsic? ?`Estamos en condiciones de afirmar que estamos en camino de lograrlo? ?`Con qué parámetros?. Presentamos aquí un panorama general sobre algunas de las acciones realizadas en función de alcanzar esa alfabetización científica, analizando exclusivamente la actividad de enseñanza hasta el nivel universitario, sin detenernos en el mismo, ya que lo consideramos una instancia superior e independiente de aquella alfabetización. Tampoco nos referiremos a la tarea de difusión, divulgación o popularización de la Astronomía, ya que su condición de asistemática y subjetiva no es evaluable en términos de la formación integral de un individuo.

Tignanelli, H.


NCI Anuncia Contribuciones para Incrementar Acceso de Minorías a Información sobre el Cáncer

El Instituto Nacional del Cáncer (NCI) anunció este mes una variedad de contribuciones que totalizan casi 1 millón de dólares para ayudar a desarrollar la investigación y programas para comprender y finalmente romper la División Digital que existe en muchas poblaciones minoritarias para el acceso y uso de la información sobre el cáncer disponible en la Internet. Las contribuciones son un esfuerzo del Servicio de Información sobre el Cáncer (CIS), dependiente de la NCI, para trabajar con grupos y organizaciones regionales para el control del cáncer para probar estrategias destinadas a aumentar las comunicaciones sobre el cáncer en comunidades deficientemente atendidas


III Festival del Siglo de Oro (Chamizal)  

E-print Network

y los Estados Unidos, administrado por el Servicio Nacional de Parques como homenaje a la buena voluntad interamericana. Cuenta con una amplia sala de teatro donde se realizan muchas funciones culturales bilingües. Allá se celebró del 7 al 18 de... Tirso de Molina. Los grupos 112 LATIN AMERICAN THEATRE REVIEW participantes fueron invitados desde México, Venezuela, y la región sureña de los Estados Unidos. Se dividieron en dos categorías, grupos académicos y de reper torio, y compitieron por...

Jaraba-Pardo, E.



Algunas Reflexiones sobre el Rol que Deberia Cumplir la Informatica en la Escuela  

E-print Network

a docentes, responsables de las pol´iticas educativas y p´ublico en general. 1. ¿Por qu´e la inform´aticaAlgunas Reflexiones sobre el Rol que Deber´ia Cumplir la Inform´atica en la Escuela Pablo L. De N´iculo, motivado por algunas discusiones en las que he participado sobre la inform´atica en la escuela; y en

De Nápoli, Pablo Luis



E-print Network

85 ACTUALIDADES SOBRE LA EPIDEMIOLOGÍA DE LA ENFERMEDAD DE CHAGAS EN M�XICO J.M. RAMSEY, R. ORDO�EZ, A.TELLO LOPEZ, J.L. POHLS, V. SANCHEZ, A.T. PETERSON* INTRODUCCI�N La Enfermedad de Chagas es la epidemiológicos sobre la mortalidad por Chagas, debido a la falta de experiencia en la elaboración del diagnóstico

Hammerton, James


La Naturaleza Contradictoria de las Peliculas Hechas en Mexico Sobre la Revolucion Mexicana  

E-print Network

LA NATURALEZA CONTRADICTORIA DE LAS PEL?CULAS HECHAS EN M?XICO SOBRE LA REVOLUCI?N MEXICANA A Thesis by ALEX STEVE GARZA Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment... of the requirements for the degree of MASTER OF ARTS August 2010 Major Subject: Modern Languages LA NATURALEZA CONTRADICTORIA DE LAS PEL?CULAS HECHAS EN M?XICO SOBRE LA REVOLUCI?N MEXICANA A Thesis by ALEX STEVE GARZA Submitted...

Garza, Alex Steve



Uma Aula Prtica sobre LISP Siang Wun Song -Universidade de So Paulo -IME/USP  

E-print Network

Uma Aula Prática sobre LISP Siang Wun Song - Universidade de São Paulo - IME/USP MAC 5710 - Estruturas de Dados - 2008 Siang Wun Song - Universidade de São Paulo - IME/USP Uma Aula Prática sobre LISP. Coletor de lixo faz parte do sistema. Siang Wun Song - Universidade de São Paulo - IME/USP Uma Aula

Song, Siang Wun


'Napsterizar' la economa JEREMY RIFKIN  

E-print Network

música con derechos de reproducción, a través de Internet, a su legión de seguidores en todo el mundo. Es tendrá profundas consecuencias para la sociedad futura. A mediados del siglo XXI, los mercados, que venta de un solo CD. Segundo, la distribución por Internet reduce los costes de la transacción casi

Bilbao Arrese, Jesús Mario


Curso de formacin y promocin del Voluntariado Social (Noviembre y diciembre 2014)  

E-print Network

Juvenil "El Rabalillo". Martes 18 de noviembre 20:00 h.- 22:00 h. Introducción al voluntariado social II siglo XXI". D. Francisco Montilla, Sociólogo y profesor de secundaria. Martes 25 de noviembre 20:00 h Cerezo. Martes 2 de diciembre 20:00 h.- 22:00 h. "Aproximación a la Exclusión Social". Daniel La parra

Escolano, Francisco


O que bilíngues bimodais têm a nos dizer sobre desenvolvimento bilíngue?  

PubMed Central

O objetivo deste trabalho é apresentar o que as pesquisas que estamos desenvolvendo com crianças ouvintes, filhas de pais surdos, adquirindo Língua Brasileira de Sinais (Libras) e Português e Língua de Sinais Americana (ASL) e Inglês (Lillo-Martin et al. 2010) têm a nos dizer sobre desenvolvimento bilíngue. Os dados deste estudo fazem parte de um banco de dados de interações espontâneas coletadas longitudinalmente, alternando contextos de aquisição da Libras e do português como língua alvo, no Brasil e dados coletados longitudinalmente. nos mesmos contextos, de crianças adquirindo ASL e inglês1. Além disso, há também dados do estudo experimental com testes aplicados nos dois pares de línguas que se agregam ao presente estudo. Uma visão geral dos estudos desenvolvidos sobre a aquisição bilíngue bimodal por crianças ouvintes, filhas de pais surdos, será apresentada e, então, serão expostos alguns aspectos linguísticos deste tipo de aquisição, considerando as discussões sobre aquisição bilíngue a partir da pesquisa realizada. PMID:24431480

de Quadros, Ronice Müller; Lillo-Martin, Diane; Pichler, Deborah Chen



Discussions about the Nature of Science in a Course on the History of Astronomy. (Spanish Title: Discusiones sobre la Naturaleza de la Ciencia en un Curso sobre Historia de la Astronomía.) Discussões sobre a Natureza da Ciência em um Curso sobre a História da Astronomia  

NASA Astrophysics Data System (ADS)

There are an increasing number of researches in science education that affirm the importance of discussions on the "nature of science" in basic education level as well as in teacher training. The history of science applied to education is a way to contextualize epistemological discussions, allowing both the understanding of scientific content and learning about science concepts. We present some reasonably consensual definitions on the nature of science that have been widely discussed by the academic community. We show also some episodes in the history of astronomy which can lead to discussions involving some aspects of the nature of science, and how they can do it. Hay un número creciente de investigaciones en la enseñanza de las ciencias que afirman la importancia de debates sobre la "naturaleza de la ciencia" en la educación básica y formación del profesorado. La historia de la ciencia aplicada a la educación es una manera de contextualizar los debates de la epistemología, lo que permite tanto la comprensión de los contenidos científicos como el aprendizaje de conceptos científicos. En esto trabajo, presentamos algunas definiciones bastante consensuales sobre la naturaleza de la ciencia que han sido ampliamente discutidas por la comunidad académica y mostramos cómo algunos episodios en la historia de la astronomía pueden llevar a discusiones sobre algunos aspectos de la naturaleza de la ciencia. Há um número crescente de pesquisas na área de ensino de ciências que afirmam a importância de discussões sobre a "natureza da ciência" na educação básica e na formação de professores. A história da ciência aplicada ao ensino é uma maneira de contextualizar discussões epistemológicas, permitindo tanto a compreensão de conteúdos científicos quanto o aprendizado de noções sobre as ciências. Neste trabalho apresentamos algumas definições razoavelmente consensuais sobre a natureza da ciência que foram amplamente discutidas pela comunidade acadêmica e mostramos como alguns episódios da história da astronomia podem levar a discussões envolvendo alguns dos aspectos da natureza da ciência.

Pires de Andrade, Victória Flório; L'Astorina, Bruno



Oficina Nacional de Control Interno -ONCI Dcimo Informe de Evaluacin Sobre la Marcha de UN-SIMEGE  

E-print Network

Calidad ­ SGC, Modelo Estándar de Control Interno ­ MECI y el Sistema de Desarrollo Administrativo1 de 22 Oficina Nacional de Control Interno -ONCI Décimo Informe de Evaluación Sobre la Marcha de Sostenibilidad OFICINA NACIONAL DE CONTROL INTERNO DECIMO INFORME DE EVALUACI�N SOBRE LA MARCHA ­ UN-SIMEGE Fase

Prieto, Germán A.


Desenvolvimento de game multi-mouse sobre o Bioma Mata Atlntica Ana Beatriz Bahia Cristina Santos Emlio Takase  

E-print Network

-mouse, edutainment, Mata Atlântica, serious game, colaboração, educação. Contatos dos autores: abbahiaDesenvolvimento de game multi-mouse sobre o Bioma Mata Atlântica Ana Beatriz Bahia Cristina Santos aborda o processo de desenvolvimento de um game educativo e colaborativo sobre o Bioma Mata Atlântica

Floeter, Sergio Ricardo



Microsoft Academic Search

RESUMO: O trabalho propôs-se a analisar a influência de diferentes classes de infestação por mancha púrpura (Cercospora kikuchii) no tegumento das sementes de três cultivares de soja, sobre o vigor de plântulas no município de Dourados - MS. O experimento foi conduzido na Embrapa Agropecuária Oeste, em outubro de 2006. As classes de infestação foram determinadas visualmente e classificadas em



Anlisis de textos sobre interacciones entre protenas1 Protein-Protein Interaction text analysis  

E-print Network

entre proteínas (PPI) es una de las áreas de investigación más importantes en el campo de las celular, conocida la aparición de determinadas proteínas. La descripción de experimentos sobre PPI es el

Pla, Ferran


Visiones alternativas sobre racionalidad en los debates en Ciencia y Tecnologa. Mara Virginia Elisa Ferroi  

E-print Network

epistémica se ha entendido también como "fundamento o base para aceptar o rechazar una creencia, para elegir permite a los seres humanos de carne y hueso tener creencias y evaluar los fundamentos que tengan a favor o en contra de esas creencias". (Olivé. 1995. Pág. 91) Independientemente de las divisiones sobre el

Paris-Sud XI, Université de


Regulación ambiental sobre la contaminación vehicular en Colombia: ¿hacia donde vamos?  

Microsoft Academic Search

El gran aumento de los niveles de contaminación del aire constituye en la actualidad uno de los problemas más importantes que afronta la sociedad en general, dado su impacto negativo sobre el medio ambiente y la calidad de vida. A nivel internacional se están implementando variadas medidas de política ambiental —instrumentos económicos— en el sector transporte con el fin de

David Tobón Orozco; Andrés Felipe Sánchez Gandur; Maria Victoria Cárdenas Londoño




Microsoft Academic Search

En este trabajo se realiza un estudio sobre la implementación de redes neuronales artificiales tipo feedforward y en específico de tipo perceptrón en un FPGA usando Xilinx System Generator (XSG). El objetivo principal es ofrecer al usuario una alternativa mediante una interfaz gráfica de usuario que combina MATLAB, Simulink y XSG para desarrollar redes neuronales tipo feedforward, así como estudiar

Juan Carlos Moctezuma Eugenio; César Torres Huitzil


Estela Bartol y Lucia Chamanadjian (eds.) Actas del Coloquio Internacional sobre la Enseanza de  

E-print Network

Estela Bartol y Lucia Chamanadjian (eds.) Actas del Coloquio Internacional sobre la Enseñanza de Bartol Martín, Université de Montréal Francisco J. Lloro Javierre, Centro de Recursos del Español Lucia

Parrott, Lael


Tutorial sobre o uso de Geotecnologias no estudo de Bacias Hidrogrficas para professores da Educao Bsica  

E-print Network

Tutorial sobre o uso de Geotecnologias no estudo de Bacias Hidrográficas para professores da of hydrographic basing degradation, a tutorial was developed for secondary school teachers to use in environmental education and other environmentally-based subjects. This tutorial gives them the possibility of performing



E-print Network

I JORNADAS SOBRE TRASTORNO DE D�FICIT DE ATENCI�N CON/SIN HIPERACTIVIDAD. CONOCIENDO EL TDAH PARA alumnos que presentan TDAH tienen capacidad para adquirir nuevos conocimientos, pero su dificultad radica. "Conociendo el TDAH": Origen, signos de alerta, diagnóstico, evaluación, tratamiento. Ponente: Dra. Mara

Rey Juan Carlos, Universidad


Gua breve sobre la La anemia es un trastorno de la sangre. La sangre es  

E-print Network

Anemia Guía breve sobre la La anemia es un trastorno de la sangre. La sangre es un líquido esencial de anemia, como la anemia por deficien- cia de hierro, la anemia perniciosa, la anemia aplásica y la anemia hemolítica. Los distintos tipos de anemia tienen relación con diversas enfermedades y problemas de

Bandettini, Peter A.


Una reflexión sobre la economía del desarrollo y el desarrollo económico  

Microsoft Academic Search

El objetivo del presente ensayo es efectuar una discusión, ciertamente en forma breve, sobre los principales paradigmas del desarrollo, contraponer sus tesis centrales y evaluar sus alcances frente a los hechos que pretenden explicar e interpretar. Originalmente este trabajo se presentó como ponencia en el 11 Congreso de Economistas de la Universidad Nacional, a finales de 1981. A partir de

Luis Bernardo Flórez




E-print Network

CONVOCATORIA DE ARTÍCULOS CONFERENCIA DE LAS NACIONES UNIDAS SOBRE COMERCIO Y DESARROLLO Y. El grupo está compuesto por expertos en Derecho y Economía de renombre internacional, inversores discusión internacional y que será sometido a los gobiernos para observaciones adicionales, la UNCTAD y la

Autonoma de Madrid, Universidad



Microsoft Academic Search

A mediação social é um tema que nos últimos anos vem ganhando espaço nas discussões sobre o desenvolvimento rural, mais especificamente, nas questões referentes à intervenção para o desenvolvimento. Este processo compreende uma relação que se apresenta como uma “via de mão dupla”, ou seja, a via representa a relação, uma das mãos é os mediadores, e a outra é

Cidonea Machado Deponti; Jalcione Almeida



PREFACE: XXI International Conference on Spectral Line Shapes (ICSLS 2012)  

NASA Astrophysics Data System (ADS)

The 21st International Conference on Spectral Line Shapes, ICSLS, was held in the historic main building of St Petersburg State University (St. Petersburg, Russia) on 3-9 June 2012. The event continued the tradition started in 1978 in Meudon Observatory in Paris. Representatives of line shape physics have since met every two years in different locations in Europe and North America. The most recent events were held in St John's, Newfoundland, Canada (2010), Valladolid, Spain (2008), and Auburn, AL (USA). Traditionally, the conferences consider experimental and theoretical issues of studying spectral line shapes, diagnostic utilization of spectral line profiles observed in absorption, emission or scattering of electromagnetic radiation by atoms, molecules, and clusters in different environments, including neutral environments, laboratory low and fusion plasmas, astrophysical conditions, and planetary atmospheres. The Conference was attended by over 100 professionals from Europe, Asia, America, Africa and New Zealand. The conference program was put together in such a way so as to exclude any parallel sessions. Five afternoon sessions featured 19 invited talks and 20 oral contributions, and two evening sessions offered 61 poster presentations, including post-deadline posters. This setup allowed for a relaxed and unhurried discussion of results and facilitated productive networking. The invited talks were selected by recommendation of members of the International Scientific Committee. The Organizers would like to thank all the members of the International Scientific Committee for their proposals on the agenda and their valuable advice. When considering candidates for oral contributions, the organizers took into account the suggestions and preferences of potential conference participants. When selecting the theses of poster presentations, the organizers focused on the topics in line with the theme of the conference and studies with well-formulated results. It must be noted that this year's conference included a noticeably larger number of reports on astrophysical applications and physics of planetary atmospheres. Another significant trend was related to a new area of inquiry: low temperature spectra, near-surface processes, and control and management of new technological processes. There were more presentations on elementary processes during the formation of spectral lines. Most of the presented studies were included in the Conference Proceedings publication. For the first time ever the proceedings will be published as a volume of Journal of Physics: Conference Series, published by the Institute of Physics (UK), making it possible to access the materials of the conference online. All published studies underwent peer review. The organizers would like to thank all the reviewers who found time to review the submissions against a very tight deadline during the summer. Professor N G Skvortsov, Vice-Rector for Research of St Petersburg State University, opened the conference. His speech was followed by a brief welcome message from Professor A Devdariani of St Petersburg State University, Deputy Chair of the Organizing Committee. An informal welcome party was held before the opening session. The cultural program of the event included various sightseeing tours, and a hydrofoil boat ride to the fountain city of Peterhof, where the delegates toured the park and attended a conference dinner. Organizers would like to express their appreciation to St Petersburg musicians, P Laul and D Kouzov for an excellent classical music concert. The conference included a meeting of the International Scientific Committee the minutes of the event are included in this volume (article number 011004). Most importantly, the next meeting, 22nd ICSLS, has been scheduled for 2014 in The Center for Laser Applications, The University of Tennessee Space Institute, US. Professor Christian Parriger will coordinate the organization. Organizers of the St Petersburg Conference would like to wish him and his colleagues every success for the next conference in Tennessee.

Devdariani, Alexander Z.



Nonlinear Seismology - The Seismology of the XXI Century  

Microsoft Academic Search

Nonlinear effects in ground motion during large earthquakes have been a long controversial issue between seismologists and geotechnical engineers. Laboratory tests made by using resonant columns consistently show the reduction in shear modulus (G) and increase in damping ratio (D) with increasing shear strain ( g<\\/font\\u000a>\\\\gamma ), i.e., G = G( g<\\/font\\u000a>\\\\gamma ), respectively, D = D( g<\\/font

Gh. Marmureanu; M. Misicu; C. O. Cioflan; F. St. Balan; B. F. Apostol


Nonlinear Seismology - The Seismology of the XXI Century  

Microsoft Academic Search

Nonlinear effects in ground motion during large earthquakes have been a long controversial issue between seismologists and geotechnical engineers. Laboratory tests made by using resonant columns consistently show the reduction in shear modulus (G) and increase in damping ratio (D) with increasing shear strain ( ), i.e., G = G( ), respectively, D = D( ). Therefore nonlinear viscoelastic constitutive

Gh. Marmureanu; M. Misicu; C. O. Cioflan; F. St. Balan; B. F. Apostol



Féminismes islamiques et postcolonialité au début du XXI e siècle  

Microsoft Academic Search

<\\/titre> In the early 90?s, by producing new theologies, Islamic feminism challenged dichotomies linked to colonial and decolonizing discourses that were shaped throughout the 20th Century on women?s rights and movements in the region. This feminist theology shows the ongoing appropriation of Islam by women, the individualization of religious knowledge, authority and practices. Since the beginning of the 2000?s, Islamic

Stéphanie Latte Abdallah



Panoràmica dels sistemes de gestió de biblioteques al segle XXI  

Microsoft Academic Search

En la darrera dècada s'han consolidat un conjunt de tendències en l'àmbit de la informàtica general que han afectat profundament les biblioteques. La popularització d'Internet, l'aparició de sistemes oberts i interoperables, la consolidació d'entorns gràfics i multimèdia o la implementació generalitzada de xarxes d'àrea local són algunes de les realitzacions del període. Tot plegat ha fet que les biblioteques hagin

Marina Salse i Rovira



The Discovery of Uranus XIX, XX, and XXI  

Microsoft Academic Search

Motivated by the discovery of the first two irregular satellites of Uranus in 1997, our team has conducted a search covering approximately 90% of the dynamically stable region around Uranus. We have discovered three additional objects moving at rates consistent with satellite orbital motion. At the end of 1999, the available observations are of sufficient quality to almost guarantee that

B. Gladman; Jj Kavelaars; M. Holman; J. M. Petit; H. Scholl; P. Nicholson; J. A. Burns



Teaching Anatomy in the XXI Century: New Aspects and Pitfalls  

PubMed Central

Anatomy has historically been a cornerstone in medical education regardless of nation, racial background, or medical school system. By learning gross anatomy, medical students get a first “impression” about the structure of the human body which is the basis for understanding pathologic and clinical problems. Although the importance of teaching anatomy to both undergraduate and postgraduate students remains undisputed, there is currently a relevant debate concerning methods of anatomy teaching. In the past century, dissection and lectures were its sole pedagogy worldwide. Recently, the time allocated for anatomy teaching was dramatically reduced to such an extent that some suggest that it has fallen below an adequate standard. Traditional anatomy education based on topographical structural anatomy taught in lectures and gross dissection classes has been replaced by a multiple range of study modules, including problem-based learning, plastic models or computer-assisted learning, and curricula integration. “Does the anatomical theatre still have a place in medical education?” And “what is the problem with anatomic specimens?” We endeavor to answer both of these questions and to contribute to the debate on the current situation in undergraduate and graduate anatomy education. Doctors without anatomy are like moles.They work in the dark and the work of their hands are mounds. Friedrich TiedemannThe foundation of the study of the art of operating must be laid in the dissecting room. Robert Liston PMID:24367240

Papa, Veronica; Vaccarezza, Mauro



UFSC do Sculo XXI Segundo ano de gesto  

E-print Network

Assuntos Estudantis (PRAE) Yara Maria Rauh Müller Pró-Reitoria de Ensino de Graduação (PREG) Maria Lucia de David Ferreira Lima - Bairro Trindade - Florianópolis - Santa Catarina - Brasil - CEP 88040-970 Fone sediada ao campus Reitor João David Ferreira Lima no bairro da Trindade, em Florianópolis, e agora pas- sa

Floeter, Sergio Ricardo


Office of the 21st Century Workforce. XXI, Fall 2002.  

ERIC Educational Resources Information Center

This document presents information on the U.S. Department of Labor's activities in the following topics areas: developing a skilled workforce; keeping workers safe; building workforce security; and connecting workers with jobs. The following items are included: (1) a discussion by the president and chief executive officer of Cisco Systems, Inc.,…

XXI, 2002



Barrels come of age: Barrels XXI meeting report.  


The twenty-first annual Barrels meeting, sponsored by NINDS, was held on 12-14 November 2008 on the campus of Johns Hopkins University, near the site of the original discovery of barrels almost 40 years ago. The longest running satellite meeting to the Society for Neuroscience Annual Meeting focuses on the development, physiology, and behavior of the rodent whisker-to-barrel sensorimotor system. This year's event focused on what aspects of the sensory world are encoded by neurons within the system and how specifically the posterior medial nucleus can play a role in information processing. Other highlighted topics included the possible role(s) the cerebellum may have and the cues governing the patterning and development of thalamocortical inputs into the barrel cortex. PMID:19283554

Chen, Chia-Chien; Steger, Robert; Brumberg, Joshua C



El Internet como fuente de información sobre la salud: la visión de estudiantes de Andalucía, España.  


El Internet (la red para usuarios de computadora) puede ser una herramienta útil para adolescentes y jóvenes en la búsqueda y uso de información sobre la salud. Las razones para ello han sido descritas en diversos estudios, sin embargo la confianza en la información disponible en el Internet es variable y persisten necesidades de alfabetización para su uso. Tanto el sistema de salud como el educativo pueden desempeñar un papel fundamental para el asesoramiento de la materia. Es necesario conocer las opiniones que tienen los estudiantes de educación secundaria y de universidad en Andalucía, España, sobre la relación entre el Internet y la salud, el concepto de salud y la imagen que proyecta el Internet y el 'social media' (medios o redes sociales electrónicos) con relación a la juventud y su salud. Hemos desarrollado un estudio, usando técnicas de etnografía virtual: hemos consultado a 55 estudiantes de enseñanza secundaria en foros virtuales y a 21 estudiantes universitarios en video entrevistas semi-estructuradas. Los estudiantes aportaron un concepto de salud integral, relacionado con los hábitos de salud física y emocional, y con los activos o factores positivos para la salud. Exponen una visión crítica de la utilidad del Internet para la salud, y sobre la calidad y credibilidad de los contenidos de salud en el Internet, manifestando la necesidad de tener asesoramiento y alfabetización. Presentan una opinión alternativa, más positiva que la visión que se da en social media e Internet sobre sus estilos de vida, y sugieren desarrollar al Internet como herramienta para potenciar la conversación participativa y el aprendizaje en salud. La metodología empleada en este estudio puede contribuir a probar nuevas formas de investigación y acción en futuros trabajos sobre la salud con adolescentes y jóvenes en Internet. PMID:25024275

García, Mariano Hernán; Cárdenas, Silvia Toro; Piñan, Olga Leralta; Trigueros, Marina Pérez; Campos, Raquel Carrasco; González, Carmen Lineros




EPA Science Inventory

The Environmental Health Workgroup homepage represents a cross-divisional initiative, serving the environmental and human health interests of Mexico as well as those of the U.S. Contents describe the workgroups's mission, objectives, importance, history, projects, status, new dir...


Departamento de Matematicas Matematicas (CC. Quimicas) Ejercicios sobre funciones elementales, limites y continuidad 2.  

E-print Network

Departamento de Matem´aticas Matem´aticas (CC. Qu´imicas) Ejercicios sobre funciones elementales, l:// El resultado es a) Y = 0,1461 X + 0´omo instalarlo, consulta el documento Copia los



Microsoft Academic Search

La morfina y el haloperidol son considerados fármacos antiagresivos, existien- do numerosas evidencias de que el sistema dopaminérgico media muchos efectos de los opiáceos, especialmente sus acciones reforzantes. En este estudio se compara el efecto que sobre la conducta agresiva, utilizando el modelo de agresión inducida por aislamiento, presentan dosis bajas tanto de haloperidol (0.1 mg\\/kg) como de morfina (1.25

Marta Rodríguez-Arias; José Miñarro López



Conferencia de Consenso sobre la braquiterapia en cáncer de mama en estadios iniciales  

Microsoft Academic Search

Resumen  Existe una controversia desde hace décadas sobre el papel de la sobredosis después de la radioterapia externa en el tratamiento\\u000a conservador de cáncer de mama inicial. En el caso de comparar la supervivencia y el control local de un tratamiento conservador\\u000a frente a la mastectomía, existen en la literatura 5 estudios randomizados1–5 y un metaanálisis6 que demuestran que la radioterapia

F. Guedea; L. Arribas; F. Casquero; C. Cinos; V. Crispin; A. Gracia; J. L. Guinot; I. Monteiro-Grillo; V. Munoz; J. Pera; A. Polo; L. Linares; H. Marsiglia; J. J. Mazeron



Premissas histórico-socioculturais sobre a família brasileira em função do sexo e da idade  

Microsoft Academic Search

Resumo Segundo a abordagem etnopsicológica, as premissas histórico-socioculturais, que constituem crenças inquestionáveis consensualmente aceitas por um grupo social, desempenham papel chave na compreensão do comportamento individual. Apoiando-se nessa perspectiva, investigou-se a influência do sexo e idade no grau de adesão a premissas sobre a família brasileira. A amostra compreendeu 393 sujeitos de ambos os sexos, distribuídos em quatro faixas etárias,

Eveline Maria Leal Assmar; Maria Cristina Ferreira; Heliane Novaes; Mariana Tomaz



Observaciones sobre la Anatomía Patológica, Patogénesis y Evolución de la Paracoccidioidomicosis  

Microsoft Academic Search

Resumen En base de una revisión crítica de 161 biopsias y de 36 autopsias de paracoccidioidomicosis se llega a una serie de conclusiones que no coinciden con la opinión oficial actual de los textos micológicos conocidos sobre esta enfermedad:a)Las manifestaciones más frecuentes orgánicas de la paracoccidioidomicosis son las pulmonares y las suprarrenales.b)Las formas pulmonares juegan en nuestro material un papel

K. Brass



Entrevista con José Ramón Enríquez  

E-print Network

libro muy interesante sobre Sor Juana Inés de la Cruz, quien no era específicamente española, pero pertenece a nuestro Siglo de Oro mexicano. Yo era el pequeño nerd de anteojitos que, mientras sus compañeros jugaban fútbol, estaba escondido en las...

Loisel, Clary



Trayectorias tecnológicas de las máquinas térmicas e industrial del motor en España  

Microsoft Academic Search

En este trabajo se pretende analizar los diversos paradigmas y trayectorias tecnológicas relacionados con las máquinas térmicas a lo largo del siglo XIX y primeras décadas del XX para reflexionar sobre la dinámica evolutiva y lógica interna del propio proceso de innovación en el sector, sobre la participación española en el mismo y sobre el impacto específico de los avances

J. Patricio Saiz; R. Rubén Amengual



Sobre a atividade pós-periélica do cometa de órbita parabólica Yanaka (1988r)  

NASA Astrophysics Data System (ADS)

Greenberg, Singh & de Almeida (ApJ, 414: L45-48, 1993) mostraram que a deficiência nas abundâncias observadas de C2 e CN no Cometa Yanaka (1988r) pode ser explicada em termos das propriedades dos seus componentes refratários orgânicos, além do fato que trata-se de um cometa dinamicamente novo, observado através de abertura de fenda pequena projetada muito próximo do núcleo. Neste trabalho, complementamos o estudo sobre a atividade deste cometa de órbita parabólica, através da determinação da lei de potência que exprime sua taxa de produção de H2O (o principal indicador de atividade) na fase pós-periélica, determinamos o raio nuclear efetivo mínimo com sua fração de área ativa e analisamos a emissão de partículas de poeira observadas no contínuo em 625,0 nm.

de Almeida, A. A.; Sanzovo, G. C.; Boczko, R.



Tendências De Teses e Dissertações Sobre Educação em Astronomia No Brasil  

NASA Astrophysics Data System (ADS)

Apresentam-se os resultados de uma pesquisa do tipo estado da arte sobre teses e dissertações defendidas no Brasil e relativas ao ensino de Astronomia, com objetivo de identificar essa produção e conhecer as principais tendências da pesquisa nesse campo. Foram localizadas 13 dissertações de mestrado e 3 teses de doutorado, as quais foram estudadas em função dos seguintes aspectos: isntituição, ano de defesa, nível escolar abrangido no estudo, foco temático do estudo e gênero de trabalho acadêmico. Pretende-se assim colaborar com a divulgação ampla da produção acadêmica na área. Ao mesmo tempo o estudo possibilita, a partir de investigações decorrentes, apontar as contribuições dessa produção para o ensino e sinalizar com necessidades a serem supridas por futuras pesquisas.

Bretones, Paulo Sergio; Megid Neto, Jorge



Aprobado por el Consejo de Gobierno de 28 de Febrero de 2014 Normativa sobre conducta acadmica de la Universidad Rey Juan Carlos  

E-print Network

1/10 Aprobado por el Consejo de Gobierno de 28 de Febrero de 2014 Normativa sobre conducta Carlos tienen el deber de ajustar su conducta a las disposiciones legales vigentes que les son de, ha acordado aprobar la siguiente normativa sobre conducta académica, que será de aplicación a los

Rey Juan Carlos, Universidad


Estudos sobre religião e saúde mental realizados no Brasil: histórico e perspectivas atuais Brazilian studies on religion and mental health: history and current perspectives  

Microsoft Academic Search

Resumo Contexto: Há mais de um século, vários pesquisadores brasileiros têm estudado as relações entre religiosidade e transtornos mentais, mas estes trabalhos são pouco conhecidos atualmente. Objetivos: apresentar um panorama e uma análise crítica da produção sobre saúde mental e religião no Brasil. Métodos: análise das pesquisas de relevância histórica, assim como investigações contemporâneas sobre o tema saúde mental e



Theoria 49: 107-114, 2004. Apuntes sobre la vida y la obra de Georg Henrik von Wright*  

E-print Network

Theoria 49: 107-114, 2004. Apuntes sobre la vida y la obra de Georg Henrik von Wright* (Georg Henrik von Wright. In Memoriam) Daniel GONZÁLEZ LAGIER BIBLID [0495-4548 (2004) 19: 49; pp. 107-114] I Georg Henrik von Wright nació en Helsinki el 14 de Junio de 1916 y falleció en esa misma ciudad el 16 de

Machery, Edouard


NCI en el congreso de ASCO: Breve reseña de los resultados de investigaciones sobre cánceres en mujeres

En el congreso anual de la Sociedad Americana de Oncología Clínica (ASCO) 2014 celebrado en junio en Chicago, se destacaron los resultados de varios estudios clínicos patrocinados por el NCI sobre cánceres en la mujer. En su conjunto, estos resultados representan avances importantes en nuestra comprensión de cómo tratar estas enfermedades y mejorar las vidas de quienes se ven afectadas por ellas.


Programa de informacin y educacin sobre alimentacin y nutricin Los procesos propios del ser humano requieren un suministro continuo de  

E-print Network

Programa de información y educación sobre alimentación y nutrición Los procesos propios del ser existentes, sirven como energía o para incorporar y hacer funcionar las estructuras del ser humano. Conviene ingerirlos. Es un proceso consciente y voluntario, y por lo tanto susceptible de ser modificado por el

Escolano, Francisco


Conocimientos, concepciones erróneas y lagunas de los maestros sobre el trastorno por déficit de atención con hiperactividad  

Microsoft Academic Search

Este estudio se diseñó para analizar los conocimientos, concepciones erróneas y lagunas sobre el Tras- torno por Déficit de Atención con Hiperactividad (TDAH) de 193 maestros, como una replicación de un estudio realizado por Sciutto, Terjesen y Bender en el año 2000. Los maestros cumplimentaron el Knowledge of Attention Deficit Hyperactivity Disorder (KADDS) en su versión española, adaptada por los

Sonia Jarque Fernández; Raúl Tárraga Mínguez; Ana Miranda Casas



El seminario consta de dos partes: Una primera parte (terica) sobre la Optimizacin delTDA-H desde una  

E-print Network

manera práctica,tutorizada por un profesional en ejercicio especialista enTDAH.III Seminario sobre realización de ambos, llevará a la inclusión en un grupo de colaboradores con formación específica enTDAH: · AnalizarlarealidaddelossujetosconTDAH,desdesuprimera infancia hasta la entrada en la edad adulta

Escolano, Francisco


Qualidade de vida: consideraes sobre os indicadores e instrumentos de medida Quality of life: consideration of indicators and measurement instruments  

E-print Network

Qualidade de vida: considerações sobre os indicadores e instrumentos de medida Quality of life ­ Brasil Resumo Os instrumentos de medida são desenvolvidos para as mais diversas importantes que permeiam a utilização dos instrumentos de medida e apresentar de forma sistematizada os

Boyer, Edmond


Efectos de la unión monetaria sobre el comercio internacional: elementos de juicio iniciales de la Unión Monetaria Europea  

Microsoft Academic Search

(Disponible en idioma inglés únicamente) En este trabajo calculamos los efectos iniciales de la Unión Monetaria Europea (UME) en el comercio internacional. Empleamos un conjunto de datos de panel que incluye la información más actualizada sobre el comercio internacional de 22 países desarrollados, desde 1992 hasta 2002. Durante ese período, 12 países europeos se incorporaron formalmente a una unión monetaria.

Alejandro Micco; Ernesto H. Stein; Guillermo Luis Ordoñez



Cuestionario avanzado sobre Open Access y repositorios institucionales [Jos Luis Chiara, Instituto de Qumica Orgnica General (IQOG-CSIC)  

E-print Network

en marcha del repositorio institucional Digital.CSIC es una buena noticia para la comunidadCuestionario avanzado sobre Open Access y repositorios institucionales [José Luis Chiara, Instituto del NIH y otros organismos públicos, fundaciones e instituciones de hacer libremente accesibles los


UMA EXPERIÊNCIA COM O PROJETO MANHATTAN NO ENSINO FUNDAMENTAL An experience with the Manhattan Project in the Elementary School  

Microsoft Academic Search

Resumo: O presente artigo discute uma dissertação de mestrado que utilizou uma perspectiva educacio- nal voltada à formação de cidadãos e defendida na proposta de Edgar Morin e no relatório da UNESCO sobre educação para o século XXI. Para isso, aborda a importância de uma nova prática escolar, preocupa- da em manter o estudante como centro das atividades em sala

Rafaela Samagaia; Luiz O. Q. Peduzzi


El Sexto Festival de Teatro Español del Siglo de Oro  

E-print Network

lindo don Diego, Compañía Pequeño Teatro de Madrid, España. La dama duende, Compañía Pequeño Teatro de Madrid, España. (Fuera de concurso) La cena del rey Baltasar, Escuela de Bellas Artes de la Universidad Autónoma de la ciudad de Chihuahua, Mé- 80... paso de las aceitunas, entremés en Casa con dos puertas, mala es de guardar, y Luis E. Julia por la música de la misma obra. Categoría B (No profesional) Mejor producción: , La cena del rey Baltasar, Escuela de Bellas Artes, Universidad Autónoma de...

Pé rez-Pisonero, Arturo



La construccin del discurso en el siglo XIII  

E-print Network

« literarios », y, por otro, de las « creencias », más que « ideas », acerca de cómo evoluciona la sintaxis en « supraoracional », y cae bajo el análisis del discurso, más que de la sintaxis tradicional). 1.1. Las creencias suma, no usa la subordinación sintáctica, porque le bastan otros medios3, creencia nacida además del

Paris-Sud XI, Université de


Temas y rumbos del teatro rural hispanoamericano del siglo XX.  

E-print Network

Argentina. Digno de encomio, pues, el esfuerzo de Buenaventura y Gene por continuar la tradición del teatro folklórico.3 En lo que atañe a las creencias y al temperamento del campesino criollo, los autores hispanoamericanos han dado en la escena un... hijo del patrón que abusó de la inocencia de su prometida. Sabe que el encuentro podría ser funesto. El hombre de campo es también supersticioso. A veces mezcla las creencias de orden supersticioso con las religiosas. La presencia de ciertas aves...

Neglia, Erminio G.



cmoves?10 A principios del siglo XIX la astronoma  

E-print Network

hizo Galileo Galilei a fines de 1612 y #12;11¿cómoves? principios de 1613 aparece un punto de luz que solución, sino que consolidó la astronomía como una ciencia que podía predecir la existencia de cuerpos que era Neptuno sin que Galileo lo supiera. Los planetas exosolares En nuestros tiempos se está

Rodriguez, Luis F.


Los latinos deben conocer el servicio de información gratuita y confidencial sobre el cáncer: 1-800-4-CANCER

El Instituto Nacional del Cáncer (NCI) puede ayudarle a resolver sus preguntas por teléfono, en inglés y en español, sin ningún costo para usted. Cuando usted llama al 1-800-422-6237 (1-800-4-CANCER), un servicio gratis y confidencial del NCI, un especialista en información está listo y dispuesto a ayudarle y se tomará todo el tiempo necesario para responder a las preguntas que usted tenga sobre el cáncer.


Estudio sobre las dosis de radiación y los riesgos de cáncer causados por la prueba atómica “Trinity” realizada en 1945

El NCI tiene planeado realizar entrevistas en profundidad para determinar cuál era la alimentación característica de las poblaciones indígenas americanas, hispanas (latinas) y chicanas que vivían en New Mexico a mediados de 1940 y utilizar información fácilmente disponible sobre la alimentación y el estilo de vida de las poblaciones blancas. Estas entrevistas representan un paso importante para hacer estimaciones de las dosis de radiación generadas por la prueba Trinity.


IRD Sige, 44, boulevard de dunkerque 13572 Marseille cedex 02 Conferncia das Naes Unidas sobre o desenvolvimento sustentvel  

E-print Network

tripartite sobre a luta contra a desertificação na África. Os pesquisadores do IRD organizarâo também cerca de dez eventos durante a conferência, participando dos debates científicos. Luta contra desenvolvimento científico e tecnológico ­ CNPq) desejam promover a luta contra a desertificação na África



E-print Network

: movimientos sociales, identidades, autonomía, redes, horizontalidad, diversidad, multiculturalidad: 10 CONCEPTOS SOBRE LOS NUEVOS MOVIMIENTOS SOCIALES. Tatiana COLL LEBEDEFF Universidad Pedagógica movimientos sociales o nuevos sujetos de la acción social, muchos de ellos comparten un conjunto de

Boyer, Edmond


Tendências de teses e dissertações sobre ensino de astronomia no Brasil  

NASA Astrophysics Data System (ADS)

Neste trabalho são apresentados os resultados de uma pesquisa do tipo estado da arte sobre teses e dissertações defendidas no Brasil e relativas ao ensino de Astronomia. Teve por objetivo identificar essa produção e conhecer as principais tendências da pesquisa nesse campo. O procedimento inicial consistiu de um levantamento bibliográfico junto ao Centro de Documentação em Ensino de Ciências (CEDOC) da Faculdade de Educação da UNICAMP e ao Banco de Teses da CAPES disponível na Internet. Foram localizadas 13 dissertações de mestrado e 3 teses de doutorado, as quais foram estudadas em função dos seguintes aspectos: instituição, ano de defesa, nível escolar abrangido no estudo, foco temático do estudo e gênero de trabalho acadêmico. Deste conjunto de pesquisas, 13 (81,3%) delas foram defendidas a partir da segunda metade dos anos 90, indicando uma preocupação mais recente com temas relativos ao ensino de Astronomia no conjunto da produção acadêmica em programas de pós-graduação no Brasil. Verificou-se que 43,7% dos trabalhos foram produzidas na USP e 18,8% na UNICAMP. Quanto ao nível escolar abrangido nos estudos, predominaram os estudos direcionados ao Ensino Fundamental de 5a a 8a séries (62,5%). No que diz respeito ao foco temático das pesquisas, as principais tendências voltaram-se: 56,3% para Conteúdo e Método; 43,8% para Concepções do Professor; 37,5% para Currículo e Programas; 37,5% para Recursos Didáticos. Quanto ao gênero de trabalho acadêmico, verificou-se que 43,8% são de Pesquisa Experimental e 31,3% de Pesquisa de Análise de Conteúdo. Estudos de revisão bibliográfica como este visam colaborar com a divulgação ampla da produção acadêmica em determinada área, traçando algumas de suas tendências. Ao mesmo tempo possibilita, a partir de investigações decorrentes, apontar as suas contribuições para o ensino e sinalizar com necessidades a serem supridas por futuras pesquisas.

Bretones, P. S.; Megid Neto, J.



François Marotin, ed., Révolutions au XIXe siècle. Violence et identité, Centre d'Études Révolutionnaires et Romantiques, Centre de Recherches sur les Littératures et la Sociopoétique, Presses Universitaires Blaise Pascal, col. ¨Révolutions et Romantismes¨, Clermont-Ferrand, 2011, 264 pp  

Microsoft Academic Search

Estudios diversos sobre las revoluciones en Francia durante el siglo XIX con un hilo argumental y estructural literario, dentro de una colección en la que preocupan las temáticas sobre planteamientos estéticos románticos y su relación con los movimientos revolucionarios, iniciados por Simone Bernard-Griffiths y Pascale Auraix-Jonchière, en la que han aparecido ya hasta un total de 16 libros colectivos, entre

María Carmen Amaya Galván



Análisis bibliométrico sobre el Aprendizaje Basado en Problemas (ABP) en la educación superior a partir de la base de datos ERIC  

Microsoft Academic Search

El estudio bibliométrico descriptivo que sigue presenta tendencias de investigación sobre el aprendizaje basado en problemas entre 1974 y 2009. Se sirve de la base de datos ERIC y trabaja con una muestra de 1007 documentos. Se analizan los registros a tenor de cuatro variables: el año de publicación o realización, la titulación, el área de conocimiento y la tipología

José Luis Menéndez Varela; Eva Gregori Giralt; Guillem Antequera Gallego



Sobre ciência e moral no sentido de Nietzsche: por uma política da verdade On Science and Morals in Nietzsche's Sense: towards a politics of truth  

Microsoft Academic Search

A tradição platônica compreendeu a relação entre ciência e moral como uma imbricação correspondente à relação entre Verdade em si e Bem em si. Num texto de juventude, Sobre verdade e mentira no sentido extramoral, Nietzsche faz uma crítica a essa tradição em dois movimentos: em primeiro lugar, nega a existência ligação necessária entre Verdade e Bem, à medida que

Thiago Mota


La judicializacin del caso de la pldora del da despus en Chile: las tensiones sobre el rol de la mujer y la cuestin tcnica1  

E-print Network

que serán supeditadas al contexto social en cual la política se inscribe. Introducción El Chile de la1 La judicialización del caso de la píldora del día después en Chile: las tensiones sobre el rol de en torno a la introducción de la píldora del día después en Chile. Esta discusión se posicionó en la

Paris-Sud XI, Université de


Una primera parte (terica), sobre la Optimizacin, desde la perspectiva psicopedaggica y clnica,de la intervencin psicoeducativa en el Trastorno  

E-print Network

en ejercicio especialista enTDAH: Seminario sobre conocimientos prácticos de la intervención clínica una bolsa de trabajo como profesional formado de manera específica en TDAH. OBJETIVOS DEL CURSO: · AnalizarlarealidaddelossujetosconTDAH,desdesuprimera infancia hasta la entrada en la edad adulta

Escolano, Francisco


La Convencin sobre el Comercio Internacional de Especies Amenazadas de Fauna y Flora Silvestres (CITES, por sus siglas en ingls) es un acuerdo internacional firmado por  

E-print Network

La Convención sobre el Comercio Internacional de Especies Amenazadas de Fauna y Flora Silvestres garantizar que el comercio internacional de animales y plantas no amenace su supervivencia en la naturaleza (CITES, por sus siglas en inglés) es un acuerdo internacional firmado por 178 naciones designadas para


La Convencin sobre el Comercio Internacional de Especies Amenazadas de Fauna y Flora Silvestres (CITES, por sus siglas en ingls) es un acuerdo internacional firmado  

E-print Network

La Convención sobre el Comercio Internacional de Especies Amenazadas de Fauna y Flora Silvestres garantizar que el comercio internacional de animales y plantas silvestres no amenaza su supervivencia en la (CITES, por sus siglas en inglés) es un acuerdo internacional firmado por 176 naciones designadas para


Algunas estadsticas sobre los contenidos de Digital.CSIC Con ocasin del primer aniversario de la creacin de la Oficina Tcnica Digital.CSIC,  

E-print Network

estadísticos sobre contenidos almacenados en el repositorio institucional del CSIC ocho meses y medio después contenidos en los principales repositorios españoles (01/10/08) #12;01/10/2008 p. 2 de 3 Distribución de Digital.CSIC de los últimos siete meses (01/10/08) Tabla 1.- Estadísticas de uso de grandes repositorios


Algunas estadsticas sobre los contenidos de Digital.CSIC Con ocasin de los 5000 registros en el repositorio, se difunden algunos datos  

E-print Network

repositorio, se difunden algunos datos estadísticos sobre los contenidos almacenados en el repositorio institucional del CSIC. Figura 1.- Ritmo de crecimiento de contenidos en Digital.CSIC Evolución del número de Figura 2.- Gráfica comparativa del crecimiento de contenidos en los principales repositorios españoles


Planck early results. XXI. Properties of the interstellar medium in the Galactic plane  

NASA Astrophysics Data System (ADS)

Planck has observed the entire sky from 30 GHz to 857GHz. The observed foreground emission contains contributions from different phases of the interstellar medium (ISM). We have separated the observed Galactic emission into the different gaseous components (atomic, molecular and ionised) in each of a number of Galactocentric rings. This technique provides the necessary information to study dust properties (emissivity, temperature, etc.), as well as other emission mechanisms as a function of Galactic radius. Templates are created for various Galactocentric radii using velocity information from atomic (neutral hydrogen) and molecular (12CO) observations. The ionised template is assumed to be traced by free-free emission as observed by WMAP, while 408 MHz emission is used to trace the synchrotron component. Gas emission not traced by the above templates, namely "dark gas", as evidenced using Planck data, is included as an additional template, the first time such a component has been used in this way. These templates are then correlated with each of the Planck frequency bands, as well as with higher frequency data from IRAS and DIRBE along with radio data at 1.4 GHz. The emission per column density of the gas templates allows us to create distinct spectral energy distributions (SEDs) per Galactocentric ring and in each of the gaseous tracers from 1.4 GHz to 25 THz (12?m). The resulting SEDs allow us to explore the contribution of various emission mechanisms to the Planck signal. Apart from the thermal dust and free-free emission, we have probed the Galaxy for anomalous (e.g., spinning) dust as well as synchrotron emission. We find the dust opacity in the solar neighbourhood, ?/NH = 0.92 ± 0.05 × 10-25 cm2 at 250 ?m, with no significant variation with Galactic radius, even though the dust temperature is seen to vary from over 25 K to under 14 K. Furthermore, we show that anomalous dust emission is present in the atomic, molecular and dark gas phases throughout the Galactic disk. Anomalous emission is not clearly detected in the ionised phase, as free-free emission is seen to dominate. The derived dust propeties associated with the dark gas phase are derived but do not allow us to reveal the nature of this phase. For all environments, the anomalous emission is consistent with rotation from polycyclic aromatic hydrocarbons (PAHs) and, according to our simple model, accounts for (25 ± 5)% (statistical) of the total emission at 30 GHz. Corresponding author: D. J. Marshall, e-mail:

Planck Collaboration; Abergel, A.; Ade, P. A. R.; Aghanim, N.; Arnaud, M.; Ashdown, M.; Aumont, J.; Baccigalupi, C.; Balbi, A.; Banday, A. J.; Barreiro, R. B.; Bartlett, J. G.; Battaner, E.; Benabed, K.; Benoît, A.; Bernard, J.-P.; Bersanelli, M.; Bhatia, R.; Bock, J. J.; Bonaldi, A.; Bond, J. R.; Borrill, J.; Bouchet, F. R.; Boulanger, F.; Bucher, M.; Burigana, C.; Cabella, P.; Cardoso, J.-F.; Catalano, A.; Cayón, L.; Challinor, A.; Chamballu, A.; Chiang, L.-Y.; Chiang, C.; Christensen, P. R.; Colombi, S.; Couchot, F.; Coulais, A.; Crill, B. P.; Cuttaia, F.; Dame, T. M.; Danese, L.; Davies, R. D.; Davis, R. J.; de Bernardis, P.; de Gasperis, G.; de Rosa, A.; de Zotti, G.; Delabrouille, J.; Delouis, J.-M.; Désert, F.-X.; Dickinson, C.; Donzelli, S.; Doré, O.; Dörl, U.; Douspis, M.; Dupac, X.; Efstathiou, G.; Enßlin, T. A.; Finelli, F.; Forni, O.; Frailis, M.; Franceschi, E.; Galeotta, S.; Ganga, K.; Giard, M.; Giardino, G.; Giraud-Héraud, Y.; González-Nuevo, J.; Górski, K. M.; Gratton, S.; Gregorio, A.; Grenier, I. A.; Gruppuso, A.; Hansen, F. K.; Harrison, D.; Henrot-Versillé, S.; Herranz, D.; Hildebrandt, S. R.; Hivon, E.; Hobson, M.; Holmes, W. A.; Hovest, W.; Hoyland, R. J.; Huffenberger, K. M.; Jaffe, T. R.; Jaffe, A. H.; Jones, W. C.; Juvela, M.; Keihänen, E.; Keskitalo, R.; Kisner, T. S.; Kneissl, R.; Knox, L.; Kurki-Suonio, H.; Lagache, G.; Lähteenmäki, A.; Lamarre, J.-M.; Lasenby, A.; Laureijs, R. J.; Lawrence, C. R.; Leach, S.; Leonardi, R.; Leroy, C.; Lilje, P. B.; Linden-Vørnle, M.; López-Caniego, M.; Lubin, P. M.; Macías-Pérez, J. F.; MacTavish, C. J.; Maffei, B.; Mandolesi, N.; Mann, R.; Maris, M.; Marshall, D. J.; Martínez-González, E.; Masi, S.; Matarrese, S.; Matthai, F.; Mazzotta, P.; McGehee, P.; Meinhold, P. R.; Melchiorri, A.; Mendes, L.; Mennella, A.; Miville-Deschênes, M.-A.; Moneti, A.; Montier, L.; Morgante, G.; Mortlock, D.; Munshi, D.; Murphy, A.; Naselsky, P.; Natoli, P.; Netterfield, C. B.; Nørgaard-Nielsen, H. U.; Noviello, F.; Novikov, D.; Novikov, I.; Osborne, S.; Pajot, F.; Paladini, R.; Pasian, F.; Patanchon, G.; Perdereau, O.; Perotto, L.; Perrotta, F.; Piacentini, F.; Piat, M.; Plaszczynski, S.; Pointecouteau, E.; Polenta, G.; Ponthieu, N.; Poutanen, T.; Prézeau, G.; Prunet, S.; Puget, J.-L.; Rachen, J. P.; Reach, W. T.; Rebolo, R.; Reich, W.; Renault, C.; Ricciardi, S.; Riller, T.; Ristorcelli, I.; Rocha, G.; Rosset, C.; Rubiño-Martín, J. A.; Rusholme, B.; Sandri, M.; Santos, D.; Savini, G.; Scott, D.; Seiffert, M. D.; Shellard, P.; Smoot, G. F.; Starck, J.-L.; Stivoli, F.; Stolyarov, V.; Stompor, R.; Sudiwala, R.; Sygnet, J.-F.; Tauber, J. A.; Terenzi, L.; Toffolatti, L.; Tomasi, M.; Torre, J.-P.; Tristram, M.; Tuovinen, J.; Umana, G.; Valenziano, L.; Varis, J.; Vielva, P.; Villa, F.; Vittorio, N.; Wade, L. A.; Wandelt, B. D.; Wilkinson, A.; Ysard, N.; Yvon, D.; Zacchei, A.; Zonca, A.



Chelation in metal intoxication XXI: chelation in lead intoxication during vitamin B complex deficiency  

SciTech Connect

The vitamin B-complex deficiency increases the vulnerability to neuro- and systemic toxicity of Pb in young rats. Thus, the nutritional status of vitamins like that of protein or minerals seems to influence the etiology of Pb toxicity and may be expected to affect the response toward Pb chelators. 2,3 dimercaptosuccinic acid (DMSA) and N-(2-hydroxyethyl) ethylene-diamine triacetic acid (HEDTA) have been found to be effective antidotes to Pb intoxication. In the present study, these selective metal chelating agents were compared for their ability to reduce the body burden of Pb and restore the altered biochemical parameters in young developing Pb intoxicated rats maintained on normal or vitamin B-complex deficient diet. The investigation was aimed to suggest suitable prophylaxis of Pb poisoning prevalent among children who may also be suffering from vitamin deficiency in developing and poor countries.

Not Available



Twenty Years of Brassinosteroids: Steroidal Plant Hormones Warrant Better Crops for the XXI Century  

Microsoft Academic Search

The discovery of brassinosteroids (BS) just over 20 years ago opened a new era in studies of bio-regulation in living organisms. Previously, the only known role of steroids as hormones was in animals and fungi; now a steroidal hormone in plants had been added. Progress in brassinosteroid research has been very rapid. Only 20 years passed between the discovery of

Vladimir Khripach; Vladimir Zhabinskii; Aede de Groot



Modern French and Russian Media Education in XXI Century (2000-2009)  

ERIC Educational Resources Information Center

The author of this article thinks that the basic difficulties of wider introduction of media education in the Russian and French universities & schools first of all are connected with patent defect purposefully prepared of media educators; with the certain inertness of many educational establishments; with traditional approaches of the…

Fedorov, Alexander




ERIC Educational Resources Information Center


Minnesota State Dept. of Education, St. Paul. Div. of Vocational and Technical Education.


[New therapies for type 2 diabetes mellitus: A XXI century perspective.  


The increasing prevalence of obesity and type 2 diabetes mellitus (T2DM) has led to a growing interest in the investigation of new therapies. Treatment of T2DM has focused on the insulinopenia and insulin resistance. However, in the last 10 years, new lines of research have emerged for the treatment of T2DM and preclinical studies appear promising. The possibility of using these drugs in combination with other currently available drugs will enhance the antidiabetic effect and promote weight loss with fewer side effects. The data provided by post-marketing monitoring will help us to better understand their safety profile and potential long-term effects on target organs, especially the cardiovascular risk. PMID:25194974

Puig-Domingo, Manuel; Pellitero, Silvia



Women's role in the Engineering career: situation in the XXI century  

NASA Astrophysics Data System (ADS)

There is no doubt that women education and attendance to university have facilitated their access to almost all the working sectors. At the same time, it has point out a break point between the traditional scenario and the actual reality, how achievements have been obtained thanks to day by day fight, little steps and advances give impulse to women to a full participation in the working area, diversifying her role in different fields and occupying in work market different roles that recently were exclusive for men. For example: army, truck drivers, miners and airplane pilots among others. However, not everything are lights in this reflection with an optimistic touch, there are shadows too, opposition, obstacles, impediments and difficulties in the society or in women herself that have to be avoided when they incorporate in different labour markets. The difficulties that women have been overcome and the gender inequality that still can be found, even in occidental societies, are something that concerns to all of us. We believe that it is necessary centuries to overcome certain aspects that, in some way, are impregnated in the society, life style, rules of conduct, culture, or simply learned by the people that are really difficult not only to elude them as to avoid them. Throughout this work some examples will be shown that corroborate this comment. This subject is wide, complex and difficult. For this reason, we will put a limit on it and we will focus on the Spanish society as a part of the western advanced societies. With regard to the working area, we will delimited this study to the engineering careers showing some allusive numbers, actual university studies in this field and related them to earlier decades. In this way, a comparative analysis on the evolution of this scenario can be established. There are many papers and manuscripts that talk about different aspects in female success, such as women in sport, highly gifted and women, etc. For this reason we are going to centre our work on engineering at different places: corporations, institutions, etc where women play a role in the work market. Although it is not easy "gender roles" change if the internal structure and perception of the society, people's descriptive believes or the respective societies that support it don't do it, it has a certain relation with the stereotypes and prejudices. The origin of the preconceived opinion against women holding certain roles that traditionally were for males are found in the inconsistency perception among the characteristics requires for that role and the well assimilated believes about how are women. In this work, we will show some data related with women performance in different studies and different work markets in which there is an evident quantitative difference between men and women.

María González-Tirados, Rosa



Noves perspectives de la bioenginyeria a l'inici del segle XXI  

Microsoft Academic Search

La bioenginyeria o enginyeria biomèdica és una disciplina que cerca la millora de la\\u000asalut, mitjançant la integració de coneixements de les enginyeries, de les ciències biomèdiques\\u000ai la pràctica clínica. La bioenginyeria combina les capacitats de l'enginyeria amb els\\u000arequeriments mèdics per millorar la salut. És una branca de l'enginyeria en què el coneixement\\u000ai les habilitats es desenvolupen

Josep Samitier i Martí



La biomedicina del segle XXI: nous paradigmes i noves responsabilitats dels científics  

Microsoft Academic Search

Tal com s'inverteixen cada cop més recursos a tot el món en recerca biomèdica i en\\u000aciències de la salut, també evoluciona la tradicional confiança de la societat en el progrés\\u000acientífic. Creixen les demandes de participació, d'eficàcia, de més aplicabilitat i d'impacte\\u000asocial dels recursos públics dedicats a la recerca, mentre que la professió de científic encara\\u000aconserva una

Jordi Camí i Morell



Oral Histories in Meteoritics and Planetary Science—XXI: Donald Burnett  

NASA Astrophysics Data System (ADS)

In this interview, Donald Burnett (Fig. 1) describes how he applied to the University of Chicago, with considerable support from his father, where he took classes from Harold Urey and was inspired by Ed Anders to pursue a career in nuclear chemistry and, later, cosmochemistry. As a graduate student at the University of California at Berkeley, Don learned to use charged-particle tracks as a detector for radioactive nuclei, a technique that he applied to a wide variety of problems over the next 20 years, including the neutron profile probe that was deployed on the Moon. After a one-year postdoc with William Fowler at the California Institute of Technology, he became involved with Jerry Wasserburg, who ultimately obtained a faculty position for him in the Geology Division. Since then, Don has worked on a number of fundamental problems in cosmochemistry, chronology of the solar system, the initial Pu/U abundance, fractionation of U and Pu in igneous processes, and elemental abundances. This last interest led him to advocate, propose, and lead the Genesis space mission to collect and return samples of the solar wind. The crash of the return capsule caused alarm, but some aspects of the mission were unaffected and others have been successfully handled, so that several major new results have been published: the lack of an SEP component in lunar samples, the Ne and Ar composition of the solar wind, and, most importantly, the oxygen and nitrogen isotopic composition of the Sun. Don received the Leonard Medal in 2012.

Sears, Derek W. G.



Women's role in the Engineering career: situation in the XXI century  

Microsoft Academic Search

There is no doubt that women education and attendance to university have facilitated their access to almost all the working sectors. At the same time, it has point out a break point between the traditional scenario and the actual reality, how achievements have been obtained thanks to day by day fight, little steps and advances give impulse to women to

Rosa María González-Tirados



Planck early results. XXI. Properties of the interstellar medium in the Galactic plane  

Microsoft Academic Search

Planck has observed the entire sky from 30 GHz to 857GHz. The observed foreground emission contains contributions from different phases of the interstellar medium (ISM). We have separated the observed Galactic emission into the different gaseous components (atomic, molecular and ionised) in each of a number of Galactocentric rings. This technique provides the necessary information to study dust properties (emissivity,

A. Abergel; P. A. R. Ade; N. Aghanim; M. Arnaud; M. Ashdown; J. Aumont; C. Baccigalupi; A. Balbi; A. J. Banday; R. B. Barreiro; J. G. Bartlett; E. Battaner; K. Benabed; A. Benoît; J.-P. Bernard; M. Bersanelli; R. Bhatia; J. J. Bock; A. Bonaldi; J. R. Bond; J. Borrill; F. Boulanger; M. Bucher; C. Burigana; P. Cabella; J.-F. Cardoso; A. Catalano; L. Cayón; A. Challinor; A. Chamballu; L.-Y. Chiang; C. Chiang; P. R. Christensen; S. Colombi; F. Couchot; A. Coulais; B. P. Crill; F. Cuttaia; T. M. Dame; L. Danese; R. D. Davies; R. J. Davis; P. de Bernardis; G. de Gasperis; A. de Rosa; G. de Zotti; J. Delabrouille; J.-M. Delouis; F.-X. Désert; C. Dickinson; S. Donzelli; O. Doré; U. Dörl; M. Douspis; X. Dupac; G. Efstathiou; T. A. Enßlin; F. Finelli; O. Forni; M. Frailis; E. Franceschi; S. Galeotta; K. Ganga; M. Giard; G. Giardino; Y. Giraud-Héraud; J. González-Nuevo; K. M. Górski; S. Gratton; A. Gregorio; I. A. Grenier; A. Gruppuso; F. K. Hansen; D. Harrison; S. Henrot-Versillé; D. Herranz; S. R. Hildebrandt; E. Hivon; M. Hobson; W. A. Holmes; W. Hovest; R. J. Hoyland; K. M. Huffenberger; T. R. Jaffe; A. H. Jaffe; W. C. Jones; M. Juvela; E. Keihänen; R. Keskitalo; T. S. Kisner; R. Kneissl; L. Knox; H. Kurki-Suonio; G. Lagache; A. Lähteenmäki; J.-M. Lamarre; A. Lasenby; R. J. Laureijs; C. R. Lawrence; S. Leach; R. Leonardi; C. Leroy; P. B. Lilje; M. Linden-Vørnle; M. López-Caniego; P. M. Lubin; J. F. Macías-Pérez; C. J. MacTavish; B. Maffei; N. Mandolesi; R. Mann; M. Maris; D. J. Marshall; E. Martínez-González; S. Masi; S. Matarrese; F. Matthai; P. Mazzotta; P. McGehee; P. R. Meinhold; A. Melchiorri; L. Mendes; A. Mennella; M.-A. Miville-Deschênes; A. Moneti; L. Montier; G. Morgante; D. Mortlock; D. Munshi; A. Murphy; P. Naselsky; P. Natoli; C. B. Netterfield; H. U. Nørgaard-Nielsen; F. Noviello; D. Novikov; I. Novikov; S. Osborne; F. Pajot; R. Paladini; F. Pasian; G. Patanchon; O. Perdereau; L. Perotto; F. Perrotta; F. Piacentini; M. Piat; S. Plaszczynski; E. Pointecouteau; G. Polenta; N. Ponthieu; T. Poutanen; G. Prézeau; S. Prunet; J.-L. Puget; J. P. Rachen; W. T. Reach; R. Rebolo; W. Reich; C. Renault; S. Ricciardi; T. Riller; I. Ristorcelli; G. Rocha; C. Rosset; J. A. Rubiño-Martín; B. Rusholme; M. Sandri; D. Santos; G. Savini; D. Scott; M. D. Seiffert; P. Shellard; G. F. Smoot; J.-L. Starck; F. Stivoli; V. Stolyarov; R. Stompor; R. Sudiwala; J.-F. Sygnet; J. A. Tauber; L. Terenzi; L. Toffolatti; M. Tomasi; J.-P. Torre; M. Tristram; J. Tuovinen; G. Umana; L. Valenziano; J. Varis; P. Vielva; F. Villa; N. Vittorio; L. A. Wade; B. D. Wandelt; A. Wilkinson; N. Ysard; D. Yvon; A. Zacchei; A. Zonca



Soap-based detergent formulations: XXI. Amphoteric derivatives of fatty amides of aminoethylethanolamine1  

Microsoft Academic Search

Amides and 2-alkyl-N-(2-hydroxyethyl)-imidazolines were converted into various types of sulfated or sulfonated amphoteric\\u000a lime soap dispersants. The alkylimidazolines could be readily hydrolyzed to give amidoamines. The cyclized amphoteric surfactants\\u000a were generally superior in detergency and lime soap dispersing ability to analogous surfactants derived from amidoamines.\\u000a Some of the cyclized surfactants, when formulated with soap and silicate builder, washed about as

F. D. Smith; W. M. Linfield



Fundamenta Informaticae XXI (2001) 10011020 1001 DOI 10.3233/FI-2012-0000  

E-print Network

behaviour of systems. Timed automata comprise a finite-state controller with a finite number of clocks automata on the other hand extend finite-state machines with a finite number of counters ranging over automata posses an a priori finite state space. However, due to binary encoding of numbers, bounded counter

Ouaknine, Joël


Geophysical variables and behavior: XXI. Geomagnetic variation as possible enhancement stimuli for UFO reports preceding earthtremors.  


The contribution of geomagnetic variation to the occurrence of UFORs (reports of UFOs) within the New Madrid States during the 6-mo. increments before increases in the numbers of IV-V or less intensity earthquakes within the central USA was determined. Although statistically significant zero-order correlations existed between measures of earthquakes, UFORs and geomagnetic variability, the association between the latter two deteriorated markedly when their shared variance with earthquakes was held constant. These outcomes are compatible with the hypothesis that geomagnetic variability (or phenomena associated with it) may enhance UFORs but only if tectonic stress and strain are increasing within the region. PMID:3982943

Persinger, M A



Demography of peoples of the Russian North in the beginning of XXI century.  


Against the background of natural decline in population of all Russia, in particular, the Russians, the demographic situation of peoples of the North is at times considered as "moderately optimistic". In this case the growth of their number serves according to last population census, as a decisive factor. Contrary to the above, many researchers in different regions and among different peoples of the North speak about economic decline and growth of unemployment, an impoverishment of indigenous northerners, their high morbidity and death rate and estimate the demographic situation as "catastrophic". The criterion thus becomes the social crisis in northern settlements. Estimating the demographic situation it is necessary to lean on demographic criteria as such. But the dynamics of the number of the North's peoples, i.e. the sole result of the population census reflecting "well-being", is not such a pure demographic criterion. It was, as we have shown, investigating the data of four population censuses of the USSR (1959,1970,1979,1989), determined in many respects not only, and not at all so much by their demographic movement (i.e. birth rate and death rate), but rather by ethnic (assimilation) processes, and sometimes simply by discrepancies in the census work. While in 1959-89 peoples of the North used to be assimilated by other peoples, in 1989-2002 a reverse tendency became pronounced among some of these peoples. Over a quarter of an inter-census growth was due to ethnic assimilation among six peoples (the Khants, Mansis, Itelmens, Selkups, Kets and Saami). The comparison of inter-census living out among peoples of the North demonstrates that the death rate among them is considerably higher, than the very high death rate of the entire population of Russia. The actual demographic parameters provide evidence for obviously unfavorable tendencies. There was a sharp decrease in birth rate (the overall ratio has decreased from 30% during the 5-year period before the 1989 census up to 18% in 1999-2002). Death rate has grown. Though the overall ratio is lower, than for the whole population of Russia, it is explained by the young age structure of peoples of the North (only 6 % are older than 60, and 18 %--are older than 45; in Russia--18% and 37% accordingly). The average life expectancy (a more adequate yardstick to measure mortality) among peoples of the North is more than 10 years less than the average Russian one. It is less, than among other indigenous peoples of the North (in Scandinavia, Alaska, Canada and Greenland). The share of deaths due to external reasons (accidents, poisonings, suicides and homicides) is enormous; among peoples of the Tyumen North it makes 37% of all the deaths, and in Russia as a whole it is 14% (though the Russian figure itself is far too high by international standards). It is exactly the death rate that determines the nature of the demographic situation. No ultrahigh birth rate in the modern world can serve as an indicator of "well-being" (otherwise the demographically safe region would be Africa south of Sahara). Therefore, certainly we have to define the demographic condition of peoples of the North as a crisis. And further decrease in birth rate with such a high death rate can surely lead to their factual depopulation. Numerical smallness makes them most vulnerable in this respect, while in fact the prospect of vanishing worries much more numerous peoples just as well. PMID:17929647

Bogoyavlenskiy, Dmitriy



XXI Century Climatology of Snow Cover for the Western River Basins of the Indus River System  

E-print Network

Under changing climate, freshwater resources of Hindu Kush-Karakoram-Himalaya (HKH) region can be affected by changes in temperature and in amount, type and distribution of precipitation. This can have serious implications for the water supply and in turn threaten the food security and economic wellbeing of Indus basin. Using MODIS daily snow products (Terra & Aqua), this study focuses on the assessment of the 2000-2010 snow cover dynamics on seasonal/annual basis against geophysical parameters (aspect, elevation and slope) for the so called western river basins of Indus River System (IRS), namely Indus, Kabul, Jhelum, Astore, Gilgit, Hunza, Swat, Shigar and Shyok basins. Results show that inputs from MODIS instrument provide unprecedented better opportunity to study by using GIS techniques the snow cover dynamics in the remote areas like HKH region at such hyper-temporal and finer planar resolution. Adapted non-spectral cloud filtering techniques have significantly reduced cloud coverage and improved sno...

Hasson, Shabeh ul; Lucarini, Valerio



Innovative Approaches to Meeting Entrepreneurial Informational Needs: SBA Enters the XXI Century.  

ERIC Educational Resources Information Center

This article points out the critical importance of up-to-date information for small business entrepreneurs and describes two innovative initiatives of the U.S. Small Business Administration (SBA): the national electronic bulletin board system called "SBA On-Line" and Business Information Centers in field locations. (JDD)

Solomon, George T.; Fernald, Lloyd W., Jr.



Analysis of XXI Century Disasters in the National Geophysical Data Center Historical Natural Hazard Event Databases  

NASA Astrophysics Data System (ADS)

The National Geophysical Data Center (NGDC) maintains a global historical event database of tsunamis, significant earthquakes, and significant volcanic eruptions. The database includes all tsunami events, regardless of intensity, as well as earthquakes and volcanic eruptions that caused fatalities, moderate damage, or generated a tsunami. Event date, time, location, magnitude of the phenomenon, and socio-economic information are included in the database. Analysis of the NGDC event database reveals that the 21st century began with earthquakes in Gujarat, India (magnitude 7.7, 2001) and Bam, Iran (magnitude 6.6, 2003) that killed over 20,000 and 31,000 people, respectively. These numbers were dwarfed by the numbers of earthquake deaths in Pakistan (magnitude 7.6, 2005-86,000 deaths), Wenchuan, China (magnitude 7.9, 2008-87,652 deaths), and Haiti (magnitude 7.0, 2010-222,000 deaths). The Haiti event also ranks among the top ten most fatal earthquakes. The 21st century has observed the most fatal tsunami in recorded history-the 2004 magnitude 9.1 Sumatra earthquake and tsunami that caused over 227,000 deaths and 10 billion damage in 14 countries. Six years later, the 2011 Tohoku, Japan earthquake and tsunami, although not the most fatal (15,000 deaths and 5,000 missing), could cost Japan's government in excess of 300 billion-the most expensive tsunami in history. Volcanic eruptions can cause disruptions and economic impact to the airline industry, but due to their remote locations, fatalities and direct economic effects are uncommon. Despite this fact, the second most expensive eruption in recorded history occurred in the 21st century-the 2010 Merapi, Indonesia volcanic eruption that resulted in 324 deaths, 427 injuries, and $600 million in damage. NGDC integrates all natural hazard event datasets into one search interface. Users can find fatal tsunamis generated by earthquakes or volcanic eruptions. The user can then link to information about the related runup observations (e.g. maximum wave height) and the source earthquake or volcano. If available, damage photographs and plots of water level data can also be viewed. The data are accessible online via tables, reports, and a new state-of-the-art interactive map viewer. These data and access capabilities help coastal communities assess their risks, identify hazards, and promote public awareness of tsunamis and earthquakes.

Dunbar, P. K.; McCullough, H. L.



Electrical Aspects of Adsorbing Colloid Flotation. XXI. Flotation with Dodecylphosphate\\/n-Hexanol Mixtures  

Microsoft Academic Search

The adsorbing colloid flotation of Pb(II), Cd(II), and Cu(II) with ferric hydroxide floc and the mixed surfactant system sodium dodecylphosphate (SDP)\\/n-hexanol was investigated. Good removals of Pb and Cu were obtained; removal of Cd was less satisfactory. The effects of interfering anions (sulfate, oxalate, silicate, phosphate) were studied; higher concentrations of these ions could be tolerated with SDP\\/n-hexanol than with

Keith Gannon; David J. Wilson



Electrical aspects of adsorbing colloid flotation. XXI. Flotation with dodecylphosphate/n-hexanol mixtures  

SciTech Connect

The adsorbing colloid flotation of Pb(II), Cd(II), and Cu(II) with ferric hydroxide floc and the mixed surfactant system sodium dodecylphosphate (SDP)/n-hexanol was investigated. Good removals of Pb and Cu were obtained; removal of Cd was less satisfactory. The effects of interfering anions (sulfate, oxalate, silicate, phosphate) were studied; higher concentrations of these ions could be tolerated with SDP/n-hexanol than with sodium dodecylsulfate. Measurements of the cmc of SDP were made; low solubility prevented determinations in the pH range 4-8.5.

Gannon, K.; Wilson, D.J.



Tips for a Physician in Getting the Right Job, Part XXI: Introduction to Contract Negotiations.  


Those physicians who have excellent job prospects, and preferably have more than one offer, may wish to try to negotiate better terms for their employment contract than was initially offered. However, any negotiation must be done in a friendly, polite, and professional manner. This article gives many tips regarding contract negotiations. However, the employment contract should be discussed with the job seeker's family and attorney before signing it. PMID:25608176

Harolds, Jay A



XXI International Workshop on Optical Wave& Waveguide Theory and Numerical Modelling  

E-print Network

, solar cells and quantum nanophotonics 09:30 M. Maksimovic, Resonances in high-contrast gratings), Theory of lasing resonators: Quality factor and line width 11:15 A. Liu, J. Pond, Nonlinear and gain

Al Hanbali, Ahmad


Experiencia en la Construcción de un Objeto de Aprendizaje sobre el Ciclo de Krebs para favorecer el proceso de Enseñanza Aprendizaje en Bioquímica  

Microsoft Academic Search

Se describe el proceso de diseño y construcción de un Objeto de Aprendizaje (OA) sobre el Ciclo de Krebs, utilizando la metodología ISD- MeLO (Instructional Systems Development Methodology based on e-Learning Objects). Para el desarrollo del OA se utilizaron las herramientas de software SWiSHMax para elaborar las animaciones, Adobe Photoshop para crear las imágenes del OA y Dreamweaver para el

Vanessa Miguel; María Gertrudis López; Lisbeth Ramos; Omar Villarroel; Nora Montaño; Yosly Hernandez



Recuperación de la inversión en infraestructura en América Latina y el Caribe: Documentos seleccionados de la Serie de Conferencias del BID sobre Infraestructura, 2004  

Microsoft Academic Search

La Serie de Conferencias del BID sobre Infraestructura (2004) incluyó cuatro eventos que se celebraron en Madrid (22-23 de enero), Washington, D.C. (19-20 de febrero), Lima (27 de marzo, durante la Reunión Anual del Banco) y Tokio (13 de mayo). Estos eventos reunieron a especialistas e interesados de primera fila, entre los que se encontraban empresas consolidadas y posibles inversionistas

Antonio Vives; Alberto E. Chong; John S. Strong; José Luis Guasch; Juan Benavides; Analistas Financieros Internacionales; Stephen Harris; Remy Cohen; Marco Percoco



Informe Anual a la Nación sobre el Estado del Cáncer, de 1975 a 2010, con una sección especial sobre la prevalencia de comorbilidad y su efecto en la supervivencia de personas con cáncer de pulmón, seno, próstata o colorrectal: preguntas y respuestas

El Informe Anual a la Nación sobre el Estado del Cáncer (1975 a 2010), mostró un descenso más acelerado que en años anteriores de los índices de mortalidad por cáncer de pulmón. También contiene una sección especial que destaca los efectos significativos que tienen otras enfermedades en la supervivencia de pacientes con cáncer.


¿Quién teme a la psicología feminista? Reflexiones sobre las construcciones discursivas de profesores, estudiantes y profesionales de psicología para que cuando el género entre en el aula, el feminismo no salga por la ventana  

Microsoft Academic Search

* Resumen: En el texto se problematizará la inclusión del género en psicología a partir de las construcciones discursivas obtenidas en una investigación cualitativa sobre las opiniones de estudiantes, profesores y profesionales. Dado que la mayor aceptación asimila \\

Teresa Cabruja Ubach



Puerto Rican Women as Workers and Writers.  

ERIC Educational Resources Information Center

This theme issue of the "Centro Bulletin" highlights recent studies by and about employed Puerto Rican and Latina women. "La mujer en el Puerto Rico del siglo XIX" (O. Jimenez de Wagenheim), in Spanish, reviews the contributions of women to Puerto Rican economic, political, and social life during the nineteenth century. "Notas sobre el desarrollo…

Vazquez, Blanca, Ed.



El Problema Ambiental y el Estilo de Desarrollo  

Microsoft Academic Search

La toma de conciencia de la problemática ambiental en el decenio de los sesenta, planteó sorpresivamente la duda sobre la posibilidad de sostener el ritmo de desarrollo alcanzado por los países industrializados. El gigantesco crecimiento de la plataforma tecnológica obtenido durante el presente siglo, pero especialmente desde la última guerra mundial, estaba empezando a encontrar los límites, impuestos por la

Augusto Ángel



El mayordomo y la contabilidad parroquial. Control y rendición de cuentas. Villa de Agüimes 1730-1830. (The administrator and the parochial accounting: Control and accounts rendering. Agüimes town 1730-1830)  

Microsoft Academic Search

La institución parroquial, pilar fundamental en la historia de la Iglesia, cobra importancia como fuente generadora de documentos a mediados del siglo XVI con las normas canónicas que emanan del Concilio de Trento, celebrado entre 1543 y 1562, al legislarse diversos capítulos sobre la vida y la actividad parroquial. Esta circunstancia implica que la parroquia sea fuente de producción documental

Mercedes Calvo Cruz; Candelaria Castro Perez



San Juan (Argentina): los españoles y la metalurgia en las primeras décadas del modelo de desarrollo vitivinícola  

Microsoft Academic Search

El objetivo de la investigación es indagar acerca de la participación de españoles en la constitución de la industria metalúrgica de la provincia de San Juan, en el centro-oeste de la Argentina, especialmente la vinculada con la vitivinicultura, en el primer medio siglo de desarrollo del modelo vitivinícola regional. Sobre la base de estudios precedentes realizados por el autor, se

Eduardo Pérez Romagnoli



Balances energéticos y uso del sueloen la agricultura catalana: una comparación entre mediados del siglo XIX y finales del siglo XX  

Microsoft Academic Search

El presente trabajo analiza y compara, desde la perspectiva analítica del metabolismo social, los usos del suelo y los balances energéticos derivados de estos usos de los sistemas agrarios de cinco municipios de la comarca catalana del Vallès, en dos momentos históricos que ilustran las características y magnitud de las transformaciones que se han producido en los sistemas agrarios catalanes

Xavier Cussó; Ramon Garrabou; José Ramon Olarieta; Enric Tello



Experiencias sobre el impacto del Programa de Formación en Ética de la Investigación Biomédica y Psicosocial en el ámbito de la salud mental y la investigación conductual.  


El propósito de este trabajo es presentar el impacto y la integración que los conocimientos adquiridos en el Programa Internacional de Formación en Ética de la Investigación Biomédica y Psicosocial de la Universidad de Chile han tenido en mi experiencia profesional, en el ámbito de la investigación psicosocial en un Instituto de Salud de México. Para este objetivo, expondré tres áreas en las cuales se ha podido evidenciar tal impacto: trabajo en los comités de ética, desarrollo de programas de académicos en bioética e investigación y publicación sobre ética y bioética. El motivo que me llevó a incursionar en el Programa fue que su enseñanza vincula la investigación psicosocial con la ética y la bioética, lo cual me permitió dirigir este tipo de reflexión hacia problemas como violencia, suicidio, adicciones, depresión y salud mental, y a nuevos campos como los estudios comunitarios, con poblaciones en riesgo o vulnerables, en los cuales las diversas implicaciones son difíciles de indagar. PMID:22754085

Barrios, Liliana Mondragón



10.4.3. Oficina de Gesti Ambiental i Sostenibilitat (OGAS) Al llarg del curs 2010-2011 la OGAS ha dut a terme tasques d'assessorament sobre  

E-print Network

10.4.3. Oficina de Gestió Ambiental i Sostenibilitat (OGAS) Al llarg del curs 2010-2011 la OGAS ha dut a terme tasques d'assessorament sobre gestió ambiental, s'ha acordat amb les empreses concessionàries reforçar els seus aspectes ambientals, s'ha coordinat amb agents autonòmics i insulars el procés d

Oro, Daniel


Posições de licenciandos em física sobre leituras no ensino médio da física moderna e contemporânea em textos de divulgação científica * Future high school teachers' positions about high school modern and contemporary physics popular science reading  

Microsoft Academic Search

Temos por objetivo, neste estudo, compreender aspectos do imaginário de licenciandos, em física, sobre a possibilidade de utilização de textos de divulgação científica de física moderna e contemporânea em classes de ensino médio, através de uma atividade de leitura de textos de divulgação científica, contidos nas revistas Pesquisa Fapesp e Ciência Hoje, na qual os licenciandos responderam um questionário com

Ricardo Henrique Almeida Dias; Maria José; Pereira Monteiro de Almeida



Microsoft Academic Search

2 RESUMO: Este trabalho teve por objetivo avaliar o efeito do tratamento das partículas, da variação da relação madeira:cimento e da utilização de aditivos químicos sobre as propriedades físicas e mecânicas das chapas minerais fabricadas com partículas de Eucalyptus dunnii (Maid) combinada com cimento portland. Foram empregados três tratamentos de partículas (partículas sem tratamento, tratadas com água quente por 1

João Vicente de Figueiredo; Setsuo Iwakiri



Microsoft Academic Search

? ? ? ? ?2 s ? ? ? ? ?1 ) sobre el microclima en invernaderos y las relaciones hídricas e intercambio de gases en tres híbridos de Capsicum annuum. Las mediciones de microclima incluyeron temperatura y humedad relativa a 4, 2.5 y 1.5 m. En ambas condiciones de radiación, la temperatura y humedad relativa entre 1.5 y 4.0

Ronald Da-Silva; Andreína D' Aubeterre; Josu Allende; Fermín Rada; Rafael Figueiral; Vivero El Horticultor


· • Estudo baseado na teoria piagetiana sobre a fidelidade em dois contos de As Mil e uma Noites na versão de Galland 1 Study based on Piaget's theory about fidelity in two stories extracted from \\  

Microsoft Academic Search

Resumo: Caracteriza-se por um estudo teórico numa visão piagetiana sobre dois contos da coletânea As Mil e uma Noites na versão de Galland. O objetivo é analisar, nas narrativas, a virtude e a fidelidade, verificando se as relações entre os personagens são mantidas pelo amor, pelo respeito mútuo e relações de eqüidade ou pelo medo e obediência apresentado entre os

Luana Carramillo Going


La actividad teatral en Guatemala en la primera mitad del siglo XX  

E-print Network

1923, después que una comisión técnica, compuesta por los constructores Víctor Cottone, Gustavo Novella y Cristóbal Azari, opinó en septiembre de 1921 que no era rentable reconstruir el teatro y que lo razonable era construir uno más moderno (lo que...

Ferná ndez Molina, Manuel




E-print Network

sino ayudarse con un instrumento, un dispositivo que extendía y amplificaba la potencia de nuestros equivalente a 10 que es la ciencia actual y cuando la había se había realizado sin ayuda de instrumentos con sus instrumentos, es sólo un compo nente de algo mucho más amplio, más general. La luz es parte

Rodriguez, Luis F.


Finanzas & Desarrollo junio de 20058 N EL LTIMO siglo, se han propuesto  

E-print Network

salud reproduc- tiva. El tercero propugna eliminar la violencia y la corrupción; facilitar el comercio internacional, el funcionamiento de los mercados y el suminis- tro estatal de bienes públicos; reducir las secue- das tanto dentro de los países como en el plano internacional. A menudo, la enseñanza es de muy mala

Cohen, Joel E.


El sistema internacional y el cambio medioambiental en el siglo xx  

Microsoft Academic Search

En este artículo se analiza una vertiente de la relación entre el sistema internacional y el cambio medioambiental. Los especialistas en ciencias políticas han creado recientemente un nuevo campo llamado «seguridad medioambiental» y sostienen que las presiones medioambientales aumentan los riesgos para la seguridad. Aquí se prefiere argumentar al revés: son los riesgos para la seguridad los que aumentan la

John R. McNeill



New trends and clinical patterns of human trichinellosis in Russia at the beginning of the XXI century  

Microsoft Academic Search

Official national statistics show a gradual decline in the incidence of trichinellosis in Russia from 971 cases in 1996 to 527 cases in 2002. Of the total 864 cases involved in 47 trichinellosis outbreaks during 1998–2002, only 35.8% were due to infected pork compared to 80% in 1995–1996. Other important sources were wild animals, such as bear (Ursus arctos) (39.5%),

N. N. Ozeretskovskaya; L. G. Mikhailova; T. P. Sabgaida; A. S. Dovgalev



Tabanidae (Diptera) of Amazônia XXI. Descriptions of Elephantotus gen. n. and E. tracuateuensis sp. n. (Diachlorini) from the Brazilian coast  

PubMed Central

Abstract Elephantotus, a new genus of Tabanidae from the Amazon coast, Brazil, is described based on a new species E. tracuateuensis. Five females were collected in Pará State, and a male in Maranhão State. Arguments are presented for separating the new genus from Dasybasis, as well as the possibility of its occurrence being related to the nesting sites of coastal birds. The new species is characterized by its large size (x = 2.15 cm, n = 5 females), glabrous eyes, reddish-brown tegument, light brown frontal callus not touching the edges of the eyes, extending up to the vertex that has traces of ocelli, basal plate of the antennal flagellum with obtuse angle, without a tooth or spine, wings hyaline, with brown basal cells, without appendix in the fork of vein R4+5, and genital furca wide with extended flaps. PMID:24715787

Gorayeb, Inocêncio de Sousa



Esterase. XXI. Es9 , a possibly new polymorphic esterase in Mus musculus genetically linked to Es2  

Microsoft Academic Search

A so far undescribed gene controlling zone III esterases has been detected by means of disc gel electrophoresis of kidney homogenates from the two inbred mice strains NMRI and SK\\/Cam. The gene is tentatively designated Es-9, and the two codominant alleles are designated Es-9a and Es-9b. Es-9 esterases are present in many tissues, but, unlike the other zone III esterase

J. Schollen; K. Bender; O. von Deimling



MADOEUF Anna, 2010, Des effets de la ``patrimondialisation'' : variations cairotes , in Espaces urbains l'aube du XXI  

E-print Network

appartenant à des classes sociales favorisées et originaires d'autres quartiers1 . En premier lieu, pour ville ancienne du Caire pouvait incarner, en tant qu'allégorie sociale, le « fond de la ville » , soit'écrivain a relaté la manière dont, à la réalité de la capitale égyptienne, se surimposent des scènes de romans de

Boyer, Edmond


Interdisciplinary Study for Knowledge and Dating of the San Francesco Convent in Stampace, Cagliari - Italy Xiii-Xxi Century)  

NASA Astrophysics Data System (ADS)

The Franciscan monastery, situated in the historic center of Cagliari (Sardinia), was founded in the thirteenth century, and transformed during the later centuries, up to the present day. The complexity of the case and the lack of objective data about its history has led us to carry out an interdisciplinary inquiry, in order to achieve a better knowledge of the building, preliminary for the drafting of a restoration project that respects all the signs that the time left. Starting from a deep examination of the indirect sources, turned out to be incomplete, the investigation continued with the execution of a survey with laser scanner and with the characterization of materials and related diseases of degradation. For the laser scanner survey we used a Faro Focus 3D, versatile and lightweight instrument that allows to perform scans with high speed point acquisition and high accuracy. For data elaboration we used the JRC 3D Reconstructor Software by the Gexcel srl. The characterization of the materials was performed on a reasoned sampling of natural and artificial materials, referring to masonry, interstitial mortars and plasters, carried out at strategic points, representative of the various phases of the construction. The samples were studied through mineralogical-petrographic methods with instrumental techniques for the analysis of component materials (OM, X-Ray diffraction). The data obtained, crossed with the results of the reconstruction of historical maps, of the examination of masonry techniques and of the analysis of pattern elements (arches, vaults, decorative elements), have facilitated stratigraphic analysis and helped to advance chronological reasoned hypothesis referring to the building. Besides, an interdisciplinary approach for the study of cultural heritage is very important to define a proper restoration and conservation intervention.

Giannattasio, C.; Grillo, S. M.; Vacca, G.



Global energy and climate of the planet in the XXI century in the context of historical trends  

Microsoft Academic Search

The paper deals with global energy perspectives and forthcoming changes in the atmosphere and climate under the influence\\u000a of anthropogenic and natural factors. In the framework of the historical approach to energy development the forecast of the\\u000a future global energy consumption for the present century is made, and its resource base and the global consequences of the\\u000a impact of the

V. V. Klimenko; A. G. Tereshin; O. V. Mikushina



General trends in the changes of indices of solar activity in the late XX - early XXI century  

E-print Network

The analysis of the observations of solar activity indexes SSN (NOAA Sunspot Numbers), the radio flux at a wavelength of 10.7 cm (F10.7) and the solar constant (TSI) during the cycles 22 - 24 is presented. We found a decrease of the observed values of the SSNobs which was calculated with SSNsyn (using regression relationships between SSN and F10.7) after 1990 year on 20 - 25% instead of 35%, as was previously assumed. The changes in characteristics of the most popular index, SSN, such as decrease in the number of sunspots, the reduction of the magnetic field in small and medium-sized spots are not in full compliance with the proposed scenario of solar activity predicted by radio flux F10.7 in the cycles 23 and 24, and cannot be fully explained by the influence on the SSN values of additional minimum of 50 - 70 year cycle. We have also showed that the observed changes of SSN lead to a slight increase of the solar constant TSI during the cycles 23 - 24 compared to the cycle 22.

Bruevich, E A



A Method For The Longitudinal Study Of Behavioral Development In Infants And Children: The Early Development Of XXY Children  

ERIC Educational Resources Information Center

This report summarizes preliminary results from a behavioral study of 13 male infants who were ascertained to have an XX Y sex chromosome complement at birth and who are being followed longitudinally through early ontogenesis. (CM)

Walzer, Stanley; And Others



Forest- and agroclimatic potential in the Altai-Sayan ecoregion under climate change during the XXI century  

NASA Astrophysics Data System (ADS)

The Altai Sayan ecoregion (ASE), central Asia, is located in Russia, Mongolia, China and Kazakhstan, within the window 80-102° E and 42-57° N, north of the territory of Tibet. The ASE is a territory with a great variety of landscapes observed at a short distance: from nival and tundra landscapes at highlands, to taiga (dark-needled and light-needled) and subtaiga at middle elevations, to steppes at lower elevations. This southern part of Siberia is known as having a high agroclimatic potential due to favorable climatic and soil resources. Crops of food, forage, and biofuels primarily reside in steppe and forest-steppe zones and are resistant to frequent droughts and the cold climate. Regional studies over the Altai-Sayan ecoregion have already registered a change in climate at the end of the 20th century: January temperatures increased 1-2°C and July temperatures increased 0.7-1.5°C over the last 50 years in the northern portion of ASE; in the southern, more continental portion of ASE, both January and July temperature increased two times greater, 2-4°C and 1.4-3.2°C,0 respectively. Our goal was to model how mountain vegetation in ASE may be altered in a changing climate through the century to the year 2080 and if the agroclimatic potential in the lowlands of ASE may benefit from climate change. We used our montane bioclimatic vegetation model (MontBioCliM) to predict the future vegetation distribution, coupling MontBioCliM with the HadCM3 A2 and B1 climate change scenarios for 2020, 2050, and 2080. MontBioCliM is an envelope-type model that predicts a vegetation type from three climatic indices: growing degree days, base 5C; negative degree days below 0°C; and annual moisture index (a ratio between growing degree days and annual precipitation). Our model runs indicated that by 2080, forest habitats would decrease from 52% to 48% according to the moderate scenario B1 and from 52% to 38% according the harsh A2 scenario. In a warmer climate, grasslands better adapted to hot and dry climates would replace forest which may not be regenerate because of an increased potential for severe and large fires. At the expense of forests, more potential agricultural lands were modeled to appear in new forest-steppe and steppe habitats in foothills and lowlands in ASE. These lands might become suitable for growing traditional crops and introducing new crops. Bioclimatic models determining crop range and regression models determining crop yields were constructed and applied to the above climate change scenarios. Crops were predicted to extend in size and to 2-fold increase. However, due to shortage of water in the future dry climate crops would necessitate irrigation. A new agroclimatic potential of the Altai-Sayan ecoregion was predicted to evolve as climate changes.

Parfenova, E. I.; Tchebakova, N.; Lysanova, G.; Soja, A. J.



2le Anne (Tome XXI). Avril ..Juin 1941 . N 204..205 ..206 LELAITREVUE G.NRALE DES QUESTIONS LAITIRES  

E-print Network

'activité ayant, lieu à pH :::::= 2, et -sa destruction au-dessus de pH =7, c'est-à-dire pour une très faible alcalinité, tandis que la chymosine a son optimum d'activité à pH = 5 et fonctionne encore au-dessus de pH élutions successives au moyen de phosphate de sodium, des solutions de chymosine ne renfermant plus que des

Boyer, Edmond


AUTOCONEIXEMENT, EMOCIONS I DILEG AL SEGLE XXI (nivell II) Professor: Ral Genovs Company, llicenciat en Filosofia. Titulat Superior en  

E-print Network

, llicenciat en Filosofia. Titulat Superior en Teràpies Naturals. Investigador de la UIB. Organitzen: Facultat de Filosofia i Lletres. Departament de Filosofia i Treball Social. Servei d'Activitats Culturals (SAC

Oro, Daniel


AUTOCONEIXEMENT, EMOCIONS I DILEG AL SEGLE XXI (nivell I) Professor: Ral Genovs Company, llicenciat en Filosofia. Titulat Superior en Terpies  

E-print Network

, llicenciat en Filosofia. Titulat Superior en Teràpies Naturals. Investigador de la UIB. Organitzen: Facultat de Filosofia i Lletres. Departament de Filosofia i Treball Social. Servei d'Activitats Culturals (SAC

Oro, Daniel


78 FR 4431 - Santee Sioux Nation-Title XXI-Alcohol, Chapter 1.-Santee Sioux Nation Liquor Control Ordinance  

Federal Register 2010, 2011, 2012, 2013, 2014 necessary; 5. To seek penalties, taxes, damages, fees, and other may be required; and 7. To collect taxes and fees levied or set by the Tribal Council...hearings initiated and held by the Nation's Tax Commissioner or other hearing officer...




EPA Science Inventory

From 1996 to 1997, the U.S. Environmental Protection Agency (EPA) and the Texas Natural Resource Conservation Commission (TNRCC) conducted an air quality study known as the Lower Rio Grande Valley Transboundary Air Pollution Project (TAPP). The study was a U.S.-Mexico Border X...


Contributions to the basic problems of complexometry-XXI: determination of nickel in the presence of cobalt.  


A new method for the determination of nickel in the presence of cobalt, based on the masking of the cobalt with potassium cyanide and hydrogen peroxide, is proposed. The yellow, or orange-yellow, complex of cobalt(III) is formed, from which cobalt is not displaced upon the addition of silver nitrate. Tetracyanonickelate, however, reacts quantitatively with silver nitrate, and the displaced nickel can be determined directly with EDTA, using Murexide as indicator. Up to 30 mg of cobalt can be tolerated in the solution. PMID:18959905

Pribil, R; Veselý, V



Innovations Agronomiques 30 (2013), 283-312 Les lgumineuses dans l'Europe du XXI sicle : Quelle place dans les  

E-print Network

, élevage, symbiose, filière, économie, recherche, France, Europe. Abstract: Legumes in 21st century Europe of agriculture since 1950 has globally led to the decline of grain legume crops, which currently represent less Innovations Agronomiques 30 (2013), 283-312 legumes could have a major role to play in the agroecological

Boyer, Edmond



Life sciences and space research XXI(1); Proceedings of the Topical Meeting, Graz, Austria, June 25-July 7, 1984  

NASA Technical Reports Server (NTRS)

Space research in biology is presented with emphasis on flight experiment results and radiation risks. Topics discussed include microorganisms and biomolecules in the space-environment experiment ES 029 on Spacelab-1, the preliminary characterization of persisting circadian rhythms during space flight; plant growth, development, and embryogenesis during the Salyut-7 flight, and the influence of space-flight factors on viability and mutability of plants. Consideration is also given to radiation-risk estimation and its application to human beings in space, the radiation situation in space and its modification by the geomagnetic field and shielding, the quantitative interpretation of cellular heavy-ion action, and the effects of heavy-ion radiation on the brain vascular system and embryonic development.

Klein, H. P. (editor); Horneck, G. (editor)



The evaluation of research papers in the XXI century. The Open Peer Discussion system of the World Economics Association  

PubMed Central

The paper starts with a brief discussion of the traditional peer review (TPR) system of research evaluation, its role, and the criticisms levelled at it. An analysis of specific problems in economics leads to a full discussion of the Open Peer Review (OPR) system developed by the World Economics Association (WEA) and the principles behind it. The system is open in the following two respects: (a) disclosure of names of authors and reviewers; and (b) inclusivity of potential reviewers in terms of paradigmatic approaches, country, and community. The paper then discusses the applicability of the same system to other disciplines. In doing so, it stressed the aims of various evaluation systems and the possible pitfalls of rating systems. It also speculates on the future of journal publication. PMID:22891057

Ietto-Gillies, Grazia



Planck 2013 results. XXI. Power spectrum and high-order statistics of the Planck all-sky Compton parameter map  

NASA Astrophysics Data System (ADS)

We have constructed the first all-sky map of the thermal Sunyaev-Zeldovich (tSZ) effect by applying specifically tailored component separation algorithms to the 100 to 857 GHz frequency channel maps from the Planck survey. This map shows an obvious galaxy cluster tSZ signal that is well matched with blindly detected clusters in the Planck SZ catalogue. To characterize the signal in the tSZ map we have computed its angular power spectrum. At large angular scales (? < 60), the major foreground contaminant is the diffuse thermal dust emission. At small angular scales (? > 500) the clustered cosmic infrared background and residual point sources are the major contaminants. These foregrounds are carefully modelled and subtracted. We thus measure the tSZ power spectrum over angular scales 0.17° ? ? ? 3.0° that were previously unexplored. The measured tSZ power spectrum is consistent with that expected from the Planck catalogue of SZ sources, with clear evidence of additional signal from unresolved clusters and, potentially, diffuse warm baryons. Marginalized band-powers of the Planck tSZ power spectrum and the best-fit model are given. The non-Gaussianity of the Compton parameter map is further characterized by computing its 1D probability distribution function and its bispectrum. The measured tSZ power spectrum and high order statistics are used to place constraints on ?8.

Planck Collaboration; Ade, P. A. R.; Aghanim, N.; Armitage-Caplan, C.; Arnaud, M.; Ashdown, M.; Atrio-Barandela, F.; Aumont, J.; Baccigalupi, C.; Banday, A. J.; Barreiro, R. B.; Bartlett, J. G.; Battaner, E.; Benabed, K.; Benoît, A.; Benoit-Lévy, A.; Bernard, J.-P.; Bersanelli, M.; Bielewicz, P.; Bobin, J.; Bock, J. J.; Bonaldi, A.; Bond, J. R.; Borrill, J.; Bouchet, F. R.; Bridges, M.; Bucher, M.; Burigana, C.; Butler, R. C.; Cardoso, J.-F.; Carvalho, P.; Catalano, A.; Challinor, A.; Chamballu, A.; Chiang, H. C.; Chiang, L.-Y.; Christensen, P. R.; Church, S.; Clements, D. L.; Colombi, S.; Colombo, L. P. L.; Comis, B.; Couchot, F.; Coulais, A.; Crill, B. P.; Curto, A.; Cuttaia, F.; Da Silva, A.; Danese, L.; Davies, R. D.; Davis, R. J.; de Bernardis, P.; de Rosa, A.; de Zotti, G.; Delabrouille, J.; Delouis, J.-M.; Désert, F.-X.; Dickinson, C.; Diego, J. M.; Dolag, K.; Dole, H.; Donzelli, S.; Doré, O.; Douspis, M.; Dupac, X.; Efstathiou, G.; Enßlin, T. A.; Eriksen, H. K.; Finelli, F.; Flores-Cacho, I.; Forni, O.; Frailis, M.; Franceschi, E.; Galeotta, S.; Ganga, K.; Génova-Santos, R. T.; Giard, M.; Giardino, G.; Giraud-Héraud, Y.; González-Nuevo, J.; Górski, K. M.; Gratton, S.; Gregorio, A.; Gruppuso, A.; Hansen, F. K.; Hanson, D.; Harrison, D.; Henrot-Versillé, S.; Hernández-Monteagudo, C.; Herranz, D.; Hildebrandt, S. R.; Hivon, E.; Hobson, M.; Holmes, W. A.; Hornstrup, A.; Hovest, W.; Huffenberger, K. M.; Hurier, G.; Jaffe, A. H.; Jaffe, T. R.; Jones, W. C.; Juvela, M.; Keihänen, E.; Keskitalo, R.; Kisner, T. S.; Kneissl, R.; Knoche, J.; Knox, L.; Kunz, M.; Kurki-Suonio, H.; Lacasa, F.; Lagache, G.; Lähteenmäki, A.; Lamarre, J.-M.; Lasenby, A.; Laureijs, R. J.; Lawrence, C. R.; Leahy, J. P.; Leonardi, R.; León-Tavares, J.; Lesgourgues, J.; Liguori, M.; Lilje, P. B.; Linden-Vørnle, M.; López-Caniego, M.; Lubin, P. M.; Macías-Pérez, J. F.; Maffei, B.; Maino, D.; Mandolesi, N.; Marcos-Caballero, A.; Maris, M.; Marshall, D. J.; Martin, P. G.; Martínez-González, E.; Masi, S.; Massardi, M.; Matarrese, S.; Matthai, F.; Mazzotta, P.; Melchiorri, A.; Melin, J.-B.; Mendes, L.; Mennella, A.; Migliaccio, M.; Mitra, S.; Miville-Deschênes, M.-A.; Moneti, A.; Montier, L.; Morgante, G.; Mortlock, D.; Moss, A.; Munshi, D.; Naselsky, P.; Nati, F.; Natoli, P.; Netterfield, C. B.; Nørgaard-Nielsen, H. U.; Noviello, F.; Novikov, D.; Novikov, I.; Osborne, S.; Oxborrow, C. A.; Paci, F.; Pagano, L.; Pajot, F.; Paoletti, D.; Partridge, B.; Pasian, F.; Patanchon, G.; Perdereau, O.; Perotto, L.; Perrotta, F.; Piacentini, F.; Piat, M.; Pierpaoli, E.; Pietrobon, D.; Plaszczynski, S.; Pointecouteau, E.; Polenta, G.; Ponthieu, N.; Popa, L.; Poutanen, T.; Pratt, G. W.; Prézeau, G.; Prunet, S.; Puget, J.-L.; Rachen, J. P.; Rebolo, R.; Reinecke, M.; Remazeilles, M.; Renault, C.; Ricciardi, S.; Riller, T.; Ristorcelli, I.; Rocha, G.; Rosset, C.; Rossetti, M.; Roudier, G.; Rubiño-Martín, J. A.; Rusholme, B.; Sandri, M.; Santos, D.; Savini, G.; Scott, D.; Seiffert, M. D.; Shellard, E. P. S.; Spencer, L. D.; Starck, J.-L.; Stolyarov, V.; Stompor, R.; Sudiwala, R.; Sunyaev, R.; Sureau, F.; Sutton, D.; Suur-Uski, A.-S.; Sygnet, J.-F.; Tauber, J. A.; Tavagnacco, D.; Terenzi, L.; Toffolatti, L.; Tomasi, M.; Tristram, M.; Tucci, M.; Tuovinen, J.; Umana, G.; Valenziano, L.; Valiviita, J.; Van Tent, B.; Varis, J.; Vielva, P.; Villa, F.; Vittorio, N.; Wade, L. A.; Wandelt, B. D.; White, S. D. M.; Yvon, D.; Zacchei, A.; Zonca, A.



VizieR Online Data Catalog: Na IX-X & Mg X-XI recombination rate coefficients (Nahar+, 2006)  

NASA Astrophysics Data System (ADS)

Detailed study on the inverse processes of photoionization and electron-ion recombination for NaIX+h{nu}<->NaX+e, NaX+h{nu}<->NaXI+e, MgX+h{nu}<->Mg{nu}+e, and MgXI+h{nu}<->MgXII+e is reported. The unified method for the total electron-ion recombination is used for the self-consistent results of total and level-specific recombination rate coefficients {alpha}R and {alpha}R(i) (subsuming both radiative recombination [RR] and dielectronic recombination [DR]), total recombination cross sections {sigma}RC, and total and partial level-specific photoionzation cross sections {sigma}PI and {sigma}PI(g). The total recombination spectrum of cross sections and recombination rates versus photoelectron energy are presented for experimental applications. The unified method employs close-coupling approximation in the relativistic Breit-Pauli R-matrix (BPRM) method. The coupled channel wave function expansions for Li-like NaIX and MgX consist of 17 core levels with excitations up to 3d orbital and for He-like NaX and MgXI consist of 16 core levels of excitations up to 4f orbital, respectively. The results are presented for all fine-structure levels of the ions up to n<=10, which correspond to 98 levels with 1/2<=J<=17/2 for Li-like NaIX and MgX, 182 and 185 levels with 0<=J<=10 for He-like NaX and MgXI, respectively. The level specific photoionization cross sections {sigma}PI(nSLJ) and recombination rates {alpha}R(T; nSLJ) are obtained for the first time for these ions. The single-valued total {alpha}R(T) is presented over an extended temperature range for astrophysical and laboratory plasma applications. The total unified R(T) for all ions agrees very well with the available published RR and DR rates. Total recombination rates for H-like NaXI and MgXII are also presented for completeness. The results are expected to be accurate within 10%15% from considerations of important atomic effects such as radiation damping, channel couplings, and interference of DR and RR. The comprehensive data sets are applicable for ionization balance and recombination-cascade models for UV and X-ray lines. (4 data files).

Nahar, S. N.



Desarrollo de la Escala sobre el Estigma Relacionado con el VIH/SIDA para Profesionales de la Salud mediante el uso de métodos mixtos123  

PubMed Central

El estigma relacionado con el VIH/SIDA continúa siendo un obstáculo para la prevención primaria y secundaria del VIH. Las consecuencias para las personas que viven con la enfermedad han sido muy documentadas y continúan siendo una gran preocupación para las personas que proveen servicios de salud y para aquellas que investigan el tema. Estas consecuencias son preocupantes cuando el estigma emana de profesionales de la salud porque se puede limitar el acceso a los servicios. Uno de los principales obstáculos para la investigación del estigma relacionado con el VIH en Puerto Rico es la falta de instrumentos cuantitativos para evaluar las manifestaciones del estigma entre profesionales de la salud. El objetivo principal de este estudio fue desarrollar y probar las propiedades psicométricas de una escala sobre el estigma relacionado con el VIH/SIDA culturalmente apropiada para personas que proveen servicios de salud puertorriqueñas y desarrollar una versión corta de la escala que pudiera usarse en escenarios clínicos con tiempo limitado. El instrumento desarrollado estuvo basado en evidencia cualitativa recopilada entre profesionales y estudiantes de profesiones de la salud puertorriqueños/as (n=80) y administrado a una muestra de 421 profesionales de la salud en adiestramiento. La escala contenía 12 dimensiones del estigma relacionado con el VIH/SIDA. El análisis cuantitativo corroboró 11 de ellas, teniendo como resultado un instrumento con validez y confiabilidad satisfactoria. Estas dimensiones, a su vez, fueron subcomponentes de un factor de estigma general superior. PMID:20333258

Varas-Díaz, Nelson; Neilands, Torsten B.; Guilamo-Ramos, Vincent; Cintrón Bou, Francheska N.



En busca de un verbo "ser" en purpecha. Cadena de gramaticalizacin y gramaticalizacin en cadena  

E-print Network

1 En busca de un verbo "ser" en purépecha. Cadena de gramaticalización y gramaticalización en atributiva (Clairis et al 2005). Veamos : 1) la evolución de un verbo é "ser" presente en el siglo XVI en un verbo xinte "ser", presente 1 La discusión sobre este tema es la más controvertida, ver Campbell 2001

Paris-Sud XI, Université de


Pósteres Sobre Animales y Matemáticas  

NSDL National Science Digital Library

Exponga estos pósteres en el salón o déjelos donde los chicos los puedan explorar. Los chicos buscan las respuestas en libros de consulta o en línea. Algunas respuestas pueden variar a medida que se vaya descubriendo nueva información. Disponibles en formato pdf y en Inglés.




Estudiossobrebiodegradacindemicrocontaminantesorgnicosemergentes Estudio sobre biodegradacin de  

E-print Network

, hidrocarburos, Disinfection By Products, compuestos halogenados, etc. MICROCONTAMINANTES EMERGENTES activado INVESTIGACI�N Tratamientos alternativos: DEPURACI�N NATURAL DE LAS AGUAS EN EL SUBSUELO (ZNS alternativos: DEPURACI�N NATURAL DE LAS AGUAS EN EL SUBSUELO (ZNS+ZS) Degradación aerobia (Mersmann&al,2002

Politècnica de Catalunya, Universitat


The Axon Guide --2500-0102 Rev. C THE AXON GUIDE  

E-print Network

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Electrical Currents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Ohm's Law. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .xxi 1. Bioelectricity Electrical Potentials

Hayar, Abdallah


La utilizacion de los mapas conceptuales en la ensenanza de biologia y su efecto sobre el dominio del proceso de fotosintesis en los estudiantes universitarios  

NASA Astrophysics Data System (ADS)

Se investigo el efecto de los mapas conceptuales sobre el dominio del proceso de fotosintesis en estudiantes universitarios. La investigacion utilizo dos estrategias: mapas conceptuales individuales y mapas conceptuales colaborativos, con el fin de investigar si existen diferencias significativas en el dominio del proceso de fotosintesis. El analisis de los datos incluyo aspectos cualitativos y cuantitativos. Se desprende del estudio que el 80% de los estudiantes describen la utilizacion de los mapas conceptuales como una experiencia beneficiosa. El 70% de los estudiantes expreso que los mapas conceptuales son utiles en el aprendizaje del proceso de fotosintesis y el 61% indico que facilitan la comprension de los conceptos. Los hallazgos mas importantes del analisis cuantitativo indican que los estudiantes que utilizaron los mapas conceptuales mejoraron significativamente su desempeno en la posprueba global. Se utilizo la prueba Mann-Whitney para investigar si existian diferencias significativas en la posprueba y preprueba global, el valor de W = 1945.0, para un valor p de 0.00, lo cual establece diferencias significativas. Para determinar si existian diferencias significativas entre la posprueba y preprueba del grupo individual, se realizo la prueba nuevamente. El valor de W correspondio a 490.5, que es significativo, con un valor p de 0.00. Se concluye que existen diferencias significativas entre la ejecucion de la posprueba y preprueba del grupo individual. Los datos proveen suficiente evidencia para sostener que los estudiantes que utilizaron la estrategia de mapas conceptuales individuales mejoraron el dominio del proceso de fotosintesis significativamente. Se realizo nuevamente la prueba para los resultados de posprueba y preprueba del grupo colaborativo. El valor de W correspondio a 446 con un valor p de 0.00. Se concluyo que existen diferencias significativas entre la ejecucion de la posprueba y preprueba del grupo colaborativo. Finalmente, se efectuo una prueba Mann-Whitney comparando la posprueba de ambos grupos. El valor de W fue de a 777, para un valor p de 0.2782. Aunque las puntuaciones de las pospruebas del grupo colaborativo fueron mayores que las puntuaciones de la posprueba del grupo individual, la diferencia no fue estadisticamente significativa.

Gonzalez Rivera, Maria M.


1D equations: dx/dt = f(x,c) equilibrium dx/dt = f(x,c) = 0  

E-print Network

/dt = B-x+Y2 I = (Y1 xxx +Y1 xyy +Y2 xxy +Y2 yyy) +(Y1 xxY2 xx -Y1 xxY1 xy +Y2 xxY2 xy +Y2 yyY2 xy -Y1 yyY1 xy -Y1 yyY2 yy) where Y1 xy = 2Y1 xy (0,0) Y2 xxy = 3Y2 xxy (0,0); etc For the system dx/dt = A-y+Y1 dy/dt = B+x+Y2 I = (Y1 xxx +Y1 xyy +Y2 xxy +Y2 yyy) +(-Y1 xxY2 xx +Y1 xxY1 xy -Y2 xxY2 xy -Y2 yyY2

Utrecht, Universiteit


Investigaccion-accion en la sala de clases sobre las creencias de la cultura de la ciencia de un grupo de estudiantes universitarios y su relacion reciproca con el aprendizaje de las ciencias biologicas  

NASA Astrophysics Data System (ADS)

La investigacion---accion que se llevo a cabo en la sala de clases tenia como punto de partida las creencias de la cultura de la ciencia de un grupo de estudiantes universitarios para luego examinar sus implicaciones en el proceso de aprendizaje de las Ciencias Biologicas. ¿Que se supone que hagan las creencias en relacion con el aprendizaje? ¿En que consiste incorporar este aspecto a la practica educativa universitaria? Utilizando el modelo de Kemmis y McTaggart (1987) la investigacion-accion se planteo como un proceso dinamico en cuatro momentos en espiral constituidos por la planificacion, la accion, la observacion y la reflexion. Cada una de las fases tuvo una intencion retrospectiva y prospectiva formando una espiral de autorreflexion del conocimiento y la accion. Se llevaron a cabo audio grabaciones en clases y analisis de documentos. Ademas, la profesora-investigadora hizo un portafolio para reflexionar sobre las creencias de la cultura de la ciencia que tienen los estudiantes y las creencias del aprendizaje que tiene la profesora y sobre como la comprension de estos elementos ayudo a mejorar su practica educativa a traves del tiempo. Los resultados obtenidos apuntan a que las creencias de la cultura de la ciencia que tiene el grupo de estudiantes son diversas. Ellos si creen que la ciencia tiene una cultura la cual describieron como: complicada y desconocida que evoluciona constantemente, que es un conjunto de metodos, que es altamente tecnologica, que resuelve problemas de salud, ayuda a interpretar la realidad del mundo que los rodea y su origen y que existen unas intersecciones entre la ciencia y el poder. Sobre las creencias del proceso de aprendizaje de la profesora-investigadora, estas senalan que el modelaje de actores, la vision de la academia que tiene ella asi como la participacion y negociacion entre todos los involucrados en el proceso educativo, son factores que inciden en el proceso de aprendizaje.

Cordova-Santiago, Lizzette Astrid


Learning about the Sky from the Environment: An Experience Working Along One Year with Students of Elementary Education. (Spanish Title: Aprendiendo sobre EL Cielo Desde el Entorno: Una Experiencia Trabajando Durante un Año Junto a Estudiantes del Primario.) Aprendendo sobre o Céu a Partir do Entorno: Uma Experiência de Trabalho ao Longo de um Ano com Alunos de Ensino Fundamental  

NASA Astrophysics Data System (ADS)

Research developed with 95 students of the 6th year of elementary education in a public school of Uberlândia, Minas Gerais. It was a continuous work from February to December 2013, which led the students to participate in activities of observation of the environment, specifically the sky, analyzing the changes occurred. We focused on the study of variations in temperature, rainfall, day length, variations in the size of the shadows and changes in the aspect of the Moon. Our focus of analysis targeted the discussion of the knowledge that these students had about the topics indicated and as they entered the stage during the implementation of the proposal. The results showed a limited perception that students have of their environment, however, lately expanded due to the undertaken activities, especially in relation to the Moon. Working with systematic measure procedures reveals the careful handling of data so that they become understandable to students, and working with the shadows points towards the students first understand how shadows are formed, and then apply this knowledge to Astronomy. Finally, we conclude that the lived process consisted of an initial step of a work that should be encouraged for the subsequent years of training of these students. Proyecto de investigación desarrollado con 95 alumnos del sexto año de primaria en una escuela pública de Uberlândia, Minas Gerais. Fue un trabajo continuo, de febrero a diciembre de 2013, que llevó a los estudiantes a participar en actividades de observación de su entorno, entre ellas, el cielo, analizando los cambios ocurridos. Nos centramos en el estudio de las variaciones en la temperatura, las precipitaciones, la duración del día, las variaciones en el tamaño de las sombras y los cambios en los aspectos de la Luna. Nuestro foco de análisis se centró en discutir el conocimiento que estos estudiantes tenían sobre los temas indicados al inicio y término de la propuesta. Los resultados mostraron una percepción limitada que los estudiantes tienen de su alrededor la cual, sin embargo, se expandió debido a las actividades llevadas a cabo, sobre todo en relación con la Luna. Trabajar con medidas sistemáticas revela el manejo cuidadoso de los datos para que sean comprensibles para los estudiantes, así como el trabajo con las sombras para que comprendan primero como se forman estas para después trabajarlas en Astronomía. Por último, llegamos a la conclusión de que el proceso desarrollado consistió en una etapa inicial de una obra que debe ser profundizado en los años posteriores de la formación de estos estudiantes. Projeto de pesquisa desenvolvido com 95 alunos do 6º ano do Ensino Fundamental de uma escola pública estadual de Uberlândia, Minas Gerais. Foi um trabalho contínuo, de fevereiro a dezembro de 2013, o qual levou os alunos a participarem de atividades de observação do entorno, dentre ele, o céu, analisando as mudanças ocorridas. Focamos no estudo das variações de temperaturas, chuvas, duração do dia, variações do tamanho das sombras e mudanças nos aspectos da Lua. Nosso foco de análise centrou-se em discutir os conhecimentos que os referidos alunos tinham acerca dos temas indicados no início e ao término da implementação da proposta. Os resultados mostraram a percepção limitada que os estudantes possuem de seu entorno, todavia, ampliada em função das atividades desenvolvidas, principalmente no que se refere à Lua. O trabalho com medidas sistemáticas revela o cuidado no tratamento dos dados para que eles se tornem compreensíveis aos alunos, assim como o trabalho com as sombras sinaliza para que os alunos primeiramente compreendam como as sombras são formadas para depois trabalhar isso em Astronomia. Por fim, concluímos que o processo vivido constituiu-se em uma etapa inicial de um trabalho que deve ser estimulado para os anos subsequentes da formação desses alunos.

Longhini, Marcos Daniel; Gomide, Hanny Angeles



Constru»c~ao de conceitos de f¶‡sica moderna e sobre a natureza da ci^encia com o suporte da hiperm¶‡dia (Construction of concepts of modern physics and on the nature of science with the support of hypermedia)  

Microsoft Academic Search

Apresentam-se os resultados de uma pesquisa sobre a constru»c~ao de conceitos de F¶‡sica Moderna e sobre a natureza da Ci^encia com o apoio da hiperm¶‡dia, que envolveu a produ»c~ao e avalia»c~ao de um software edu- cacional. A proposta didatica fundamentou-se na Teoria da Aprendizagem de Ausubel, em orienta»c~oes para a implementa»c~ao de sistemas hiperm¶‡dia educacionais e em abordagens derivadas da

D. I. Machado; R. Nardi


Innovaciones de raíz helenística en el armamento y tácticas de los pueblos Ibéricos desde el siglo III a.C  

Microsoft Academic Search

A partir de mediados del s. III a.C. se introdujeron novedades en la panoplia de los pueblos ibéricos del Levante, Sureste y Mediodía peninsular. En concreto, escudos ovales, cascos metálicos y espadas de hoja recta. Sin embar- go, nunca llegaron a sustituir por completo la panoplia tradicional basada en el escudo circular, casco de cuero y fal- cata, excepto quizá

Fernando Quesada Sanz


La democracia industrial en España: orígenes y desarrollo de las empresas de trabajo asociado en el Siglo XX  

Microsoft Academic Search

This paper aims to explain the evolution of the worker co-operatives phenomenon in Spain, going beyond the mere juxtaposition of the dispersed data in the bibliographic sources available. However, as well as this task, we have tried to establish causal relations at the economic, political and social levels which favour or slow the development of this kind of business. Firstly

Alfonso Carlos Morales Gutiérrez




Microsoft Academic Search

In this article the tendencies of change and\\/or stability are described that show the vegeta- ble communities in the High Alpujarra. For it has been elaborated it an evolutionary cartogra- phy based on different sources that allow the study of this landscape mountainous vegetable along the second half of the XX century until our days. The generated sequential cartography has




La construccin del federalismo mexicano en la segunda mitad del siglo XIX. Una nueva apologa de la historia  

E-print Network

interna de México, desde la Reforma hasta el Porfiriato. 1. De la utilidad de los instrumentos de análisis históricos La idea de que ni la Historia ni sus instrumentos de análisis sirven para el estudio de las

Paris-Sud XI, Université de


A review of "Repertorio de obras de autores españoles en bibliotecas holandesas hasta comienzos del siglo XVIII." by Jan Lechner  

E-print Network

everywhere for his vital contribution to what is now more than ever a burgeoning discipline: the bibliography and history of the Spanish book outside of Spain. This bibliography was compiled using three primary sources of information: Dutch publishers... of the repertorio of Spanish authors printed REVIEWS 329 in Spanish or Latin as well as translated into French, Dutch, Ital- ian, etc. But it also contains three valuable appendices of non- Spanish authors who wrote about Spain, non-Spanish authors of Spanish...

Hilaire Kallendorf



High School Students' Previous Knowledge about the Stars. (Spanish Title: Conocimientos Previos de Estudiantes de Secundaria Acerca de Las Estrellas.) O Conhecimento Prévio de Alunos do Ensino Médio sobre as Estrelas  

NASA Astrophysics Data System (ADS)

Based on the readings of articles related to Astronomy Education published in Brazil, it was noticed a lack of research on previous knowledge of students about the physical characteristics of stars, a fact that motivated us to develop this study. Previous knowledge of 125 students (approximated 15 years old) constituted the study sample; data was collected through written questionnaires (Appendix A) for analysis. From the content analysis of these responses it was possible to achieve some inferences as, for example, many students have some difficult to develop an explanatory model on the functioning of a star; there are few who say that the stars have a certain length of existence; some students have said that stars have tips; few recognize that a star is formed by a mass of gas; some previous knowledge come from purely visual aspects; furthermore, some students do not have the habit of observing nature in detail. We see this research as a reference in which science teachers can recognize the importance of previous knowledge for practice teaching and acquire resources for planning their lessons. De la lectura de artículos relacionados con la Educación en Astronomía publicados en el Brasil, se encuentra una falta de investigaciones acerca del conocimiento previo de los estudiantes sobre las características físicas de las estrellas, hecho que nos motivó a desarrollar este estudio. Los datos analizados se obtuvieron al aplicar un cuestionario a 125 estudiantes de secundaria, para posteriormente realizar un análisis de contenido, tal cuestionario se presenta en el Anexo A. Al realizar el análisis de contenido de las respuestas obtenidas, fue posible hacer algunas inferencias, como por ejemplo; muchos estudiantes tienen dificultades para desarrollar un modelo explicativo acerca del funcionamiento de una estrella; pocos estudiantes dicen que las estrellas tienen un cierto tiempo de vida; algunos estudiantes imaginan que las estrellas tienen puntas; pocos reconocen que una estrella es formada por una masa de gas; varios conocimientos previos parten de aspectos puramente visuales; por otro lado, los estudiantes no tienen el hábito de observar la naturaleza detalladamente, entre otros problemas. Vemos esta investigación como una probable fuente de referencia en la que los profesores de ciencias pueden reconocer la importancia del conocimiento previo, y la forma como interfieren con su práctica de enseñanza, además de la adquisición de recursos para la planificación de sus clases. Com base em leituras de artigos relacionados ao ensino de Astronomia publicados no Brasil, verificou-se a inexistência de investigações sobre o conhecimento prévio de estudantes acerca das características físicas das estrelas, fato que nos motivou a desenvolver a pesquisa apresentada. Os conhecimentos prévios de 125 estudantes do primeiro ano do ensino médio constituíram os dados do estudo, os quais foram inferidos através da análise das respostas cedidas em questionários impressos (Apêndice A). A partir da análise de conteúdo dessas respostas tornou-se possível realizar algumas inferências como, por exemplo: vários estudantes possuem dificuldade em elaborar um modelo explicativo sobre o funcionamento de uma estrela; são poucos os que dizem que as estrelas possuem certo tempo de existência; alguns alunos as imaginam com pontas; poucos reconhecem que uma estrela é formada por uma massa de gás; vários conhecimentos prévios partem de aspectos meramente visuais; ainda assim, os estudantes não possuem o hábito de observar a natureza mais detalhadamente, entre outras. Vemos essa pesquisa como uma provável fonte de consulta na qual os professores de ciências poderão, além de reconhecer a importância dos conhecimentos prévios para o ensino e como eles interferem em sua prática, adquirir subsídios para o planejamento de suas aulas.

Iachel, Gustavo



Estudio de la estructura logica utilizada en la ensenanza y el aprendizaje de los conceptos sobre el comportamiento de gases en el curso introductorio de quimica a nivel universitario  

NASA Astrophysics Data System (ADS)

El estudio que se presenta es de caracter cualitativo, un estudio multicasos donde se estudia la estructura logica utilizada por cuatro (4) profesores universitarios que ensenan el curso introductorio de quimica, en la planificacion, presentacion y evaluacion del tema sobre el comportamiento de los gases. Se utilizaron varias fuentes de informacion como: cuestionarios de profesores y estudiantes, entrevistas, grabaciones videomagnetofonicas, materiales didacticos y una prueba conceptual, entre otros. La informacion recopilada fue analizada de acuerdo al orden logico del contenido presentado, el estilo de ensenanza del profesor, las tecnicas y estrategias utilizadas para el desarrollo de destrezas de pensamiento, el ambiente fisico en el salon de clase y los instrumentos de evaluacion y avaluo. El estudio demuestra que lo que los profesores piensan y planifican para hacer sus presentaciones no necesariamente es lo que ocurre en el salon de clases. El desarrollo de destrezas de pensamiento, que constituye una prioridad de los profesores, no se elaboran efectivamente. El uso de las estrategias de resolucion de problemas numericos predomino. La participacion del estudiante en el salon de clases fue limitada y no se logro demostrar el desarrollo de las destrezas de pensamiento deseadas. Aunque los profesores tienen su propio estilo de ensenanza, el orden logico del contenido presentado en clase fue el mismo o siguio muy de cerca el orden establecido por el libro de texto. Los profesores utilizaron preferentemente la tiza y la pizarra para sus presentaciones y la dinamica en el salon de clases fue esencialmente tradicional. Los profesores hicieron su presentacion y los estudiantes copiaron pasivamente la informacion. Las evaluaciones de los estudiantes fueron esencialmente, pruebas escritas de seleccion multiple de acuerdo con el estilo en que se les enseno. El avaluo fue casi inexistente. La prueba conceptual administrada revela un aprendizaje pobre en los conceptos mas basicos sobre el comportamiento de los gases. El estudio senala que la ejecutoria del profesor en todos los aspectos de la ensenanza y el aprendizaje es un factor clave que debe darsele prioridad. Se recomienda que el profesor, en general, tenga un conocimiento basico de las teorias de aprendizaje, de los factores que afectan el aprendizaje y las tecnicas y estrategias mas efectivas en el desarrollo de destrezas de pensamiento entre sus estudiantes. La estructura de la disciplina debe incluir tanto lo experimental como lo teorico.

Costa Diaz, Agnes


Proceedings of the Twenty-First NASA Propagation Experimenters Meeting (NAPEX XXI) and the Advanced Communications Technology Satellite (ACTS) Propagation Studies Miniworkshop  

NASA Technical Reports Server (NTRS)

The NASA Propagation Experimenters (NAPEX) meeting is convened each year to discuss studies supported by the NASA Propagation Program. Representatives from the satellite communications industry, academia and government who have an interest in space-ground radio wave propagation are invited to NAPEX meetings for discussions and exchange of information. The reports delivered at this meeting by program managers and investigators present recent activities and future plans. This forum provides an opportunity for peer discussion of work in progress, timely dissemination of propagation results, and close interaction with the satellite communications industry.

Golshan, Nasser (Editor)



J. PHYS IV FRANCE 7 (1997) Colloque C3, Supplement au Journal de Physique I11 d'aoiit 1997 XXI  

E-print Network

when the heating rate is high too; secondlyparameters to describe the friction between the chip and tool; and finally laws of high strain shear failure, including shear locall- sation. This paper thickness[2]; and studies relating tool life to the heating caused by the plastic work and friction date

Boyer, Edmond



ERIC Educational Resources Information Center


Minnesota State Dept. of Education, St. Paul. Div. of Vocational and Technical Education.


Biennial Survey of Education in the United States, 1928-1930. Bulletin, 1931, No. 20. Volume I. Chapter XXI: Educational Boards and Foundations  

ERIC Educational Resources Information Center

Contained herein is the biennial report on the Educational Boards and Foundations of the United States from 1928-1930. Reports of funding and grants invested are available from the following: (1) General Education Board; (2) Rockefeller Foundation; (3) Carnegie Corporation of New York; (4) Carnegie Foundation for the Advancement of Teaching; (5)…

Evans, Henry R.



Volu m e lXXI I, N u m b e r 2, fall 2009 IN ThIs Issue  

E-print Network

/JPl-Caltech/Cornell/ohio State univ./mSSS/univ. of Arizona; 16-18 -- NASA/JPl-Caltech/Cornell; 17 -- NASA/JPl/Cornell/mro-14, 16 -- NASA/JPl/Cornell; 4 -- Avigdor eldar; 4-5 -- NASA; 6 -- michael Winterrose; 8 -- Kakani Katija and John dabiri; 12 -- NASA/JPl/uA; 13-14, 19 -- NASA/JPl/Caltech; 14 -- NASA


Notcies i esdeveniments Curs d'Estiu: Reptes de la Medicina Reproductiva en el Segle XXI (Publicada 16/06/2014)  

E-print Network

natural vs. assistida) i de les humanitats (història, antropologia, ètica i dret). Més Informació XIII Jornades d'Antropologia Biològica: Evolució, reproducció i desenvolupament (Publicada 14/04/2014) Ja es pot Medicina Reproductiva. Edició 2013-14 (Publicada 05/07/2013) Nova informació disponible. XII Jornades d'Antropologia

Escolano, Francisco


2004 WoIk ~hop on the Nuclear Radiology <~Physica Medical, 9Vol. XXI, Supplement 1, 2006 of Breast C.ancer  

E-print Network

MRI image is warped to a fixed PET imag::, by using an appropriate shape function in the interpolation C.ancer Rome (Italy) October 22-23, 2004 MRI/ PET Nonrigid Breast-Image Registration Using Skin-element method (FEM) deformable breast model that does not require elastic breast data for nonrigid PET/ MRI


Fall 2005 The Senate Forum 1 Volume XXI, Number 1, Fall 2005 A publication of the Academic Senate, California State University, Fullerton  

E-print Network

a steady erosion in the number of tenure and tenure-track faculty in the classroom. The proportion of our Drew Wiley and Heather Williams 25 What Makes Shared Governance Work? Vince Buck 28 Culture Corner: God

de Lijser, Peter


Antibody repertoire development in fetal and neonatal piglets. XXI. VH usage remains constant during development in fetal piglets and postnatally in piglets exposed to environmental antigen  

Technology Transfer Automated Retrieval System (TEKTRAN)

Usage of variable region gene segments during development of the antibody repertoire in mammals is unresolved in part because of the complexity of the locus in mice and humans and the difficulty of distinguishing intrinsic from extrinsic influences in these species. We have addressed this using a hi...


[The economic crisis at the beginning of the XXI century and mortality in Spain. Trend and impact on social inequalities. SESPAS Report 2014].  


This study aimed to assess the impact of the current economic crisis on mortality trends in Spain and its effect on social inequalities in mortality in Andalusia. We used data from vital statistics and the Population Register for 1999 to 2011, as provided by the Spanish Institute of Statistics, to estimate general and sex- and age-specific mortality rates. The Longitudinal Database of the Andalusian Population (2001 census cohort) was used to estimate general mortality rates and ratios by educational level. The annual percentages of change and trends were calculated using Joinpoint regressions. No significant change in the mortality trend was observed in Spain from 2008 onward. A downward trend after 1999 was confirmed for all causes and both sexes, with the exception of nervous system-related diseases. The reduction in mortality due to traffic accidents accelerated after 2003, while the negative trend in suicide was unchanged throughout the period studied. In Andalusia, social inequalities in mortality have increased among men since the beginning of the crisis, mainly due to a more intense reduction in mortality among persons with a higher educational level. Among women, no changes were observed in the pattern of inequality. PMID:24612790

Ruiz-Ramos, Miguel; Córdoba-Doña, Juan Antonio; Bacigalupe, Amaia; Juárez, Sol; Escolar-Pujolar, Antonio



Planck intermediate results. XXI. Comparison of polarized thermal emission from Galactic dust at 353 GHz with interstellar polarization in the visible  

NASA Astrophysics Data System (ADS)

The Planck survey provides unprecedented full-sky coverage of the submillimetre polarized emission from Galactic dust. In addition to the information on the direction of the Galactic magnetic field, this also brings new constraints on the properties of dust. The dust grains that emit the radiation seen by Planck in the submillimetre also extinguish and polarize starlight in the visible. Comparison of the polarization of the emission and of the interstellar polarization on selected lines of sight probed by stars provides unique new diagnostics of the emission and light scattering properties of dust, and therefore of the important dust model parameters, composition, size, and shape. Using ancillary catalogues of interstellar polarization and extinction of starlight, we obtain the degree of polarization, pV, and the optical depth in the V band to the star, ?V. Toward these stars we measure the submillimetre polarized intensity, PS, and total intensity, IS, in the Planck 353 GHz channel. We compare the column density measure in the visible, E(B - V), with that inferred from the Planck product map of the submillimetre dust optical depth and compare the polarization direction (position angle) in the visible with that in the submillimetre. For those lines of sight through the diffuse interstellar medium with comparable values of the estimated column density and polarization directions close to orthogonal, we correlate properties in the submillimetre and visible to find two ratios, RS /V = (PS/IS) / (pV/?V) and RP/p = PS/pV, the latter focusing directly on the polarization properties of the aligned grain population alone.We find RS /V = 4.2, with statistical and systematic uncertainties 0.2 and 0.3, respectively, and RP/p = 5.4 MJy sr-1, with uncertainties 0.2 and 0.3 MJy sr-1, respectively. Our estimate of RS /V is compatible with predictions based on a range of polarizing dust models that have been developed for the diffuse interstellar medium. This estimate provides new empirical validation of many of the common underlying assumptions of the models, but is not yet very discriminating among them. However, our estimate of RP/p is not compatible with predictions, which are too low by a factor of about 2.5. This more discriminating diagnostic, RP/p, indicates that changes to the optical properties in the models of the aligned grain population are required. These new diagnostics, together with the spectral dependence in the submillimetre from Planck,will be important for constraining and understanding the full complexity of the grain models, and for interpreting the Planck thermal dust polarization and refinement of the separation of this contamination of the cosmic microwave background. Appendices are available in electronic form at

Planck Collaboration; Ade, P. A. R.; Aghanim, N.; Alina, D.; Aniano, G.; Armitage-Caplan, C.; Arnaud, M.; Ashdown, M.; Atrio-Barandela, F.; Aumont, J.; Baccigalupi, C.; Banday, A. J.; Barreiro, R. B.; Battaner, E.; Beichman, C.; Benabed, K.; Benoit-Lévy, A.; Bernard, J.-P.; Bersanelli, M.; Bielewicz, P.; Bock, J. J.; Bond, J. R.; Borrill, J.; Bouchet, F. R.; Boulanger, F.; Burigana, C.; Cardoso, J.-F.; Catalano, A.; Chamballu, A.; Chary, R.-R.; Chiang, H. C.; Christensen, P. R.; Colombi, S.; Colombo, L. P. L.; Combet, C.; Couchot, F.; Coulais, A.; Crill, B. P.; Curto, A.; Cuttaia, F.; Danese, L.; Davies, R. D.; Davis, R. J.; de Bernardis, P.; de Rosa, A.; de Zotti, G.; Delabrouille, J.; Désert, F.-X.; Dickinson, C.; Diego, J. M.; Donzelli, S.; Doré, O.; Douspis, M.; Dunkley, J.; Dupac, X.; Efstathiou, G.; Enßlin, T. A.; Eriksen, H. K.; Falgarone, E.; Fanciullo, L.; Finelli, F.; Forni, O.; Frailis, M.; Fraisse, A. A.; Franceschi, E.; Galeotta, S.; Ganga, K.; Ghosh, T.; Giard, M.; Giraud-Héraud, Y.; González-Nuevo, J.; Górski, K. M.; Gregorio, A.; Gruppuso, A.; Guillet, V.; Hansen, F. K.; Harrison, D. L.; Helou, G.; Hernández-Monteagudo, C.; Hildebrandt, S. R.; Hivon, E.; Hobson, M.; Holmes, W. A.; Hornstrup, A.; Huffenberger, K. M.; Jaffe, A. H.; Jaffe, T. R.; Jones, W. C.; Juvela, M.; Keihänen, E.; Keskitalo, R.; Kisner, T. S.; Kneissl, R.; Knoche, J.; Kunz, M.; Kurki-Suonio, H.; Lagache, G.; Lähteenmäki, A.; Lamarre, J.-M.; Lasenby, A.; Lawrence, C. R.; Leonardi, R.; Levrier, F.; Liguori, M.; Lilje, P. B.; Linden-Vørnle, M.; López-Caniego, M.; Lubin, P. M.; Macías-Pérez, J. F.; Maffei, B.; Magalhães, A. M.; Maino, D.; Mandolesi, N.; Maris, M.; Marshall, D. J.; Martin, P. G.; Martínez-González, E.; Masi, S.; Matarrese, S.; Mazzotta, P.; Melchiorri, A.; Mendes, L.; Mennella, A.; Migliaccio, M.; Miville-Deschênes, M.-A.; Moneti, A.; Montier, L.; Morgante, G.; Mortlock, D.; Munshi, D.; Murphy, J. A.; Naselsky, P.; Nati, F.; Natoli, P.; Netterfield, C. B.; Noviello, F.; Novikov, D.; Novikov, I.; Oxborrow, C. A.; Pagano, L.; Pajot, F.; Paladini, R.; Paoletti, D.; Pasian, F.; Perdereau, O.; Perotto, L.; Perrotta, F.; Piacentini, F.; Piat, M.; Pietrobon, D.; Plaszczynski, S.; Poidevin, F.; Pointecouteau, E.; Polenta, G.; Popa, L.; Pratt, G. W.; Prunet, S.; Puget, J.-L.; Rachen, J. P.; Reach, W. T.; Rebolo, R.; Reinecke, M.; Remazeilles, M.; Renault, C.; Ricciardi, S.; Riller, T.; Ristorcelli, I.; Rocha, G.; Rosset, C.; Roudier, G.; Rusholme, B.; Sandri, M.; Savini, G.; Scott, D.; Spencer, L. D.; Stolyarov, V.; Stompor, R.; Sudiwala, R.; Sutton, D.; Suur-Uski, A.-S.; Sygnet, J.-F.; Tauber, J. A.; Terenzi, L.; Toffolatti, L.; Tomasi, M.; Tristram, M.; Tucci, M.; Umana, G.; Valenziano, L.; Valiviita, J.; Van Tent, B.; Vielva, P.; Villa, F.; Wade, L. A.; Wandelt, B. D.; Zonca, A.



Thermochemistry of organic, elementorganic and inorganic species. Part XXI: Enthalpies of formation for bi- and triradicals of main group elements’ halogenides  

NASA Astrophysics Data System (ADS)

General trends in thermochemistry of bi- and triradicals as the fragments of halogenated molecules of main group elements :EX (:EHX; :EX 2) and triradicals ·:EX, respectively, where X-halogens F-I were found for the first time. The enthalpy of formation for methylene CH 2 was drastically changed in present work with adopted values 79 ( 3B 1) and 88 ( 1A 1) compared with currently used values ˜93 and ˜102 kcal mol -1, respectively. This happened mainly because of the drastic change in the enthalpy of formation for ketene CH 2dbnd C dbnd O molecule from currently used value -11.4 to -24 kcal mol -1 [A.V. Golovin, D.A. Ponomarev, V.V. Takhistov, This Journal 524 (2000) 259] which was the source of experimental determination of ?Hf0 :CH 2. Other experimental data are provided for support of the lower values of the ?Hf0 for :CH 2. It was established that halogens F-I stabilize all biradicals :EX (E = B-Tl, N-Bi) and :EHX (:EX 2) (E = C-Pb) compared with the free radicals of these elements. This was interpreted by essentially smaller thermodynamic stability of bi- compared with mono (free)radicals the former extracting larger stabilization at H ? X replacement from the same halogen compared with more stable free radicals. The expected increase in stabilization of biradicals is observed when coming down the periodic table while due to lower stability of biradicals all halogens reveal similar (contrary to free radicals) stabilization effects. Finding unknown values and correcting some literature data on the enthalpies of formation for mono-, bi- and triradicals we could estimate their thermodynamic stabilities. It was established that only about 40 molecules, radicals and biradicals from more than 800 hydrides and halogenides possess higher?Hf0 values compared with their fragments with elements in lower valent states with H 2 (rarely HX) as a partner. This might be treated only in the sense that the parent species are less stable than the system [fragment + H 2 (or HX)] rather than as the support of the higher thermodynamic stability of an element in its lower valent state. The thermodynamic stability of such state may be found only by the comparison of the consecutive bond dissociation energies (BDEs) in parent molecules like PbH 3X ? ·PbH 2X (BDE 1) ? :PbHX (BDE 2) ? ·:PbX (BDE 3) and only if BDE 2 < 0 one can declare the larger thermodynamic stability of element in lower valent state. But this does not happen with any species studied in this work. This means that thermodynamic stability quite definitely decreases in the row molecule > free radical > biradical > triradical > :E: (C-Pb) contrary to the current opinion of larger thermodynamic stability of lower valent states for, say, thallium or lead. The detailed analysis of many computational results related to thermochemistry of halogenated main group elements is performed with quite definite result that neither ab initio, DFT, semi-empirical methods (or their combination) can be trusted either in support of known or prediction of unknown values of the enthalpies of formation while the empirical approach, elaborated in this work, solves the problem of calculation of the enthalpies of formation and search of general trends in structure/enthalpy of formation for halogenated main group elements.

Ponomarev, Dmitry; Takhistov, Viatcheslav; Slayden, Suzanne; Liebman, Joel



Medicinal flowers. XXI. Structures of perennisaponins A, B, C, D, E, and F, acylated oleanane-type triterpene oligoglycosides, from the flowers of Bellis perennis.  


Six new acylated oleanane-type triterpene oligoglycosides, perennisaponins A (1), B (2), C (3), D (4), E (5), and F (6), were isolated from the flowers of Bellis perennis (Daisy flower) together with 14 saponins, nine flavonoids, and two glycosides. The structures of 1-6 were elucidated on the basis of chemical and physicochemical evidence. PMID:18379108

Yoshikawa, Masayuki; Li, Xuezheng; Nishida, Eriko; Nakamura, Seikou; Matsuda, Hisashi; Muraoka, Osamu; Morikawa, Toshio



Extreme Geophysical and Weather Related Disasters in the First Decade of the XXI Century - How do the Patterns of these Two Groups of Perils Differ?  

NASA Astrophysics Data System (ADS)

The first decade of the 21st century saw natural disasters with an unprecedent level of losses, such as the costliest natural disaster ever, the earthquake and tsunami disaster of March 2011 in Japan (US 210bn in direct economic losses), or Hurricane Katrina in 2005 (US 125bn in direct economic losses). In the first half year of 2011, a fierce tornado season occurred in the US with record-breaking thunderstorm-related losses (US$ 24bn in direct economic losses). Analysing drivers of increasing losses, the most prominent one is increasing and more than ever spatially concentrated destroyable wealth in course of urban sprawl, where loss amplifying factors such as increasingly interwoven streams of goods and services across regions or knock-on catastrophes contribute to recently observed very large losses. Looking at longer time series of annually aggregated numbers and losses of geophysical and weather-related disasters, we find regional indications for the hypothesis that besides socioeconomic changes in wealth and development patterns also natural variability and climate change are already involved in the specific time series patterns of the weather-related proportion. This has to be seen against the background of scientific studies demonstrating an interrelation of anthropogenic climate change and weather extremes.

Hoeppe, P.; Faust, E.; Bove, M.



76 FR 42154 - Order of Suspension of Trading; In the Matter of M.B.A. Holdings, Inc., Medicor Ltd., MidgardXXI...  

Federal Register 2010, 2011, 2012, 2013, 2014

...In the Matter of M.B.A. Holdings, Inc...Commission that there is a lack of current and...the securities of M.B.A. Holdings, Inc. because...Commission that there is a lack of current and...2011-18068 Filed 7-14-11;...



Proceedings of the XXI International Workshop High Energy Physics and Quantum Field Theory (QFTHEP 2013). 23 30 June, 2013. Saint Petersburg Area, Russia  

NASA Astrophysics Data System (ADS)

The Workshop continues a series of workshops started by the Skobeltsyn Institute of Nuclear Physics of Lomonosov Moscow State University (SINP MSU) in 1985 and conceived with the purpose of presenting topics of current interest and providing a stimulating environment for scientific discussion on new developments in theoretical and experimental high energy physics and physical programs for future colliders. Traditionally the list of workshop attendees includes a great number of active young scientists and students from Russia and other countries. This year the Workshop is organized jointly by the SINP MSU and the SPbSU and it will take place in the holiday hotel "Baltiets" situated in a picturesque place of the Karelian Isthmus on the shore of the Gulf of Finland in the suburb of the second largest Russian city Saint Petersburg. Scientific program, the main topics to be covered are: * Higgs searches and other experimental results from the LHC and the Tevatron; impact of the Higgs-like boson observed * Physics prospects at Linear Colliders and super B-factories * Extensions of the Standard Model and their phenomenological consequences at the LHC and Linear Colliders * Higher order corrections and resummations for collider phenomenology * Automatic calculations and Monte Carlo simulations in high energy physics * LHC/LC and astroparticle/cosmology connections * Modern nuclear physics and relativistic nucleous-nucleous collisions * Detectors for future experiments in high energy physics The Workshop will include plenary and two parallel afternoon sessions. The plenary sessions will consist of invited lectures. The afternoon sessions will include original talks. Further details are given at


Life sciences and space research XXI(2); Proceedings of the Seventh and Eleventh Workshops, Graz, Austria, June 25-July 7, 1984  

NASA Technical Reports Server (NTRS)

Space-based and space-related research in the life sciences is presented in reviews and reports. Topics examined include the long-term effects of weightlessness, cosmic chemistry and chemical and biological evolution, life-support systems for space travel, planetary protection, and the g-scale factor in gravitational biology. Consideration is given to the role of Ca ions in cytological effects of hypogravity, the organic aerosols of Titan, the role of meteorite impacts in the formation of organic molecules, prebiotic synthesis of purines and pyrimidines, atmosphere behavior of gas-closed mouse-algal systems, air and water regeneration in advanced regenerative environmental-control and life-support systems, and the influence of gravity on the development of animal systems.

Oser, H. (editor); Oro, J. (editor); Macelroy, R. D. (editor); Klein, H. P. (editor); Devincenzi, D. L. (editor); Young, R. S. (editor)



SPIE Proceedings BIOS 2010, Optical Interactions with Tissues and Cells XXI, Vol. 7562 Tissue Dissection with Ultrafast Laser using Extended and Multiple Foci  

E-print Network

applications. They are now widely used in ophthalmology for creating corneal flap during LASIK surgery lasers can perform anterior capsulotomy and lens fragmentation for cataract removal [2]. In addition

Palanker, Daniel



SciTech Connect

We have detected the Doppler signature of a gas-giant exoplanet orbiting the star HD 38283, in an eccentric orbit with a period of almost exactly one year (P = 363.2 {+-} 1.6 d, m sin i = 0.34 {+-} 0.02 M{sub Jup}, e = 0.41 {+-} 0.16). The detection of a planet with period very close to one year critically relied on year-round observation of this circumpolar star. Discovering a planet in a 1 AU orbit around a G dwarf star has prompted us to look more closely at the question of the habitability of the satellites of such planets. Regular satellites orbit all the giant planets in our solar system, suggesting that their formation is a natural by-product of the planet formation process. There is no reason for exomoon formation not to be similarly likely in exoplanetary systems. Moreover, our current understanding of that formation process does not preclude satellite formation in systems where gas giants undergo migration from their formation locations into the terrestrial planet habitable zone. Indeed, regular satellite formation and Type II migration are both linked to the clearing of a gap in the protoplanetary disk by a planet, and so may be inextricably linked. Migration would also multiply the chances of capturing both irregular satellites and Trojan companions sufficiently massive to be habitable. The habitability of such exomoons and exo-Trojans will critically depend on their mass, whether or not they host a magnetosphere, and (for the exomoon case) their orbital radius around the host exoplanet.

Tinney, C. G.; Wittenmyer, Robert A.; Bailey, Jeremy A.; Horner, J. [Department of Astrophysics, School of Physics, University of New South Wales, NSW 2052 (Australia); Butler, R. Paul [Department of Terrestrial Magnetism, Carnegie Institution of Washington, 5241 Broad Branch Road NW, Washington, DC 20015-1305 (United States); Jones, Hugh R. A. [Centre for Astrophysical Research, University of Hertfordshire, Hatfield, AL10 9AB (United Kingdom); O'Toole, Simon J. [Anglo-Australian Observatory, P.O. Box 296, Epping, NSW 1710 (Australia); Carter, Brad D., E-mail: [Faculty of Sciences, University of Southern Queensland, Toowoomba, Queensland 4350 (Australia)



[Allergology in the public health service of the Community of Madrid: current situation and opportunities in the XXI century public health system].  


The high prevalence of allergic diseases and the use of more complex diagnostic techniques and therapeutic options require allergists to be highly trained professionals and health-care organizations to be knowledgeable about available structural and human resources. Updated information is lacking in Spain, and current activity indicators do not reflect complexity. The present article analyzes the situation of allergology in Madrid and proposes improvements where necessary. The heads of the allergy departments of public hospitals in Madrid voluntarily completed a purpose-designed survey. Data on care activity (2010) and on teaching and research activity (2009-2010) were provided. A SWOT analysis was performed, and strategic lines and proposals for improvement were designed. One hundred and seventeen allergists (41% with a PhD) worked in 24 hospitals with an allergology department (4.6 physicians/center; ?3 in 10 hospitals). All the institutions had an outpatient clinic (4,000 first consultations/hospital/year, 36% high-resolution rate; 6200 successive visits/hospital/year) performing complex diagnostic and therapeutic procedures, most of which were not taken into account by activity indicators. Two hospitals had their own hospitalization facilities and 10 were accredited teaching hospitals (2.78 medical residents/year). The survey revealed that, twice yearly, a typical allergology service participated in 4 research projects, 2 clinical trials, 16 publications and 17 communications at scientific meetings, with notable differences between hospitals. Allergists in Madrid are well prepared. The allergology care structure is adequate, although possibly insufficient. Quality and efficiency can be improved with new tools for recording activity and by increasing coordination and taking advantage of new technologies and geographical proximity. PMID:25567386

Domínguez-Ortega, J; Ruiz Hornillos, J; Chivato, T; De la Hoz, B; Elices, A; Iglesias, A; Quirce, S; Vega, F; Rodríguez Mosquera, M



Computational Intelligence in Strategy Games V Rao Vemuri  

E-print Network

of playing Cyberwar XXI, a complex war game. The architecture of a personality-rich, advise-taking game and responding to opponent's actions and so on. The war game taken up for study is Cyberwar XXI, a board game

Vemuri, Rao


Mixed-Methods Study that Examines Nine Science Teachers' Perceptions of Slooh Robotic Telescope for Teaching Astronomy. (Breton Title: Métodos Mistos de Estudo que Examinam a Percepção de Nove Professores de Ciências sobre o Telescópio Robótico Slooh Para Ensino de Astronomia.) Métodos Mixtos de Estudio que Examinan la Percepcion de Nueve Profesores de Ciencias sobre EL Telescopio Robótico Slooh Para la Enseñanza de la Astronomía  

NASA Astrophysics Data System (ADS)

Although previous studies show that robotic telescopes have the potential to enhance student learning, there is comparatively little research that focuses on teacher perceptions of this technology. This study investigates: "what is the academic merit of using SLOOH robotic telescopes to teach astronomy as perceived by science teachers?" Our sample consists of nine science teachers of students aged 13-18 years. Pre- and post-tests, interviews, and surveys were collected during two weeks of a summer online course about robotic telescopes. While pre and post-tests do not reveal a statistically significant gain in astronomy content knowledge, analysis of qualitative data reveals five themes which describe the most important aspects of using SLOOH according to participants: "Images," "Interface," "Classroom Application," "Instructor Impact," and "Logistical Issues." Analysis of these themes suggests that SLOOH can provide an interactive and social learning environment with capabilities to incorporate crossdisciplinary themes. Embora estudos anteriores mostram que os telescópios robóticos têm o potencial de melhorar a aprendizagem dos alunos, há relativamente pouca investigação focada nas percepções de professores a respeito desta tecnologia. Este estudo investiga: "qual é o mérito acadêmico da utilização de telescópios robóticos Slooh para ensinar astronomia, tal como percebido pelos professores de ciências?" Nossa amostra é composta por nove professores de ciências de estudantes com idades entre 13-18 anos pré e pós-testes, entrevistas, e levantamentos foram coletados durante duas semanas de um curso on-line de verão sobre telescópios robóticos. Enquanto os testes pré e pós não revelaram um ganho estatisticamente significativo no conhecimento do conteúdo astronomia, a análise de dados qualitativos revela cinco temas que descrevem os aspectos mais importantes da utilização Slooh de acordo aos participantes: "Imagens", "Interface", "Aplicação em sala de aula", "Impacto no Instrutor" e "Questões logísticas". A análise desses temas sugere que Slooh pode proporcionar um ambiente de aprendizagem interativo e social com capacidade de incorporar temas interdisciplinares. Aunque estudios previos muostraron que los telescopios robóticos tienen el potencial de mejorar el aprendizaje del estudiante, hay relativamente poca investigación centrada en las percepciones de lós profesores respecto de esta tecnología. Este estudio investiga: "¿cuál es el mérito académico de la utilización de telescopios robóticos SLOOH para enseñar astronomía según la percepción de los profesores de ciências?" Nuestra muestra está formada por nueve profesores de ciencias de estudiantes entre 13 a 18 años pre-y post-tests, entrevistas, y. encuestas se recogieron durante dos semanas de un curso on-line de verano sobre los telescopios robóticos. Si bien lós tests antes y después de las pruebas no revelaron un aumento estadísticamente significativo en el conocimiento de contenido astronómico, el análisis de lós datos cualitativos reveló cinco temas que describen los aspectos más importantes de la utilización de SLOOH de acuerdo con los participantes:. "Imágenes", "Interface", "aplicación en el aula", "Impacto en el Instructor" y "problemas logísticos" . El análisis de estos temas sugiere que SLOOH puede proporcionar un ambiente de aprendizaje interactivo y social, con capacidad para incorporar temas transversales.

Gershun, Daniel C.; Slater, Timothy F.; Berryhill, Katie J.



La Usina del Lenguaje: Teoría de la Poesía Neobarroca  

E-print Network

modo cr?tico) de las teor?as y pensamientos de varias autoridades en el tema, desde los estudios est?ticos de Heinrich W?lfflin en el siglo XIX hasta actualizaciones m?s recientes como las de Severo Sarduy, las de Gilles Deleuze y las de Omar..., nos guiar?n durante esta traves?a. El cap?tulo II es un estudio sobre las presencias de los esp?ritus barroco y moderno en la poes?a y pensamiento de Jos? Lezama Lima, con el prop?sito de analizar de qu? manera el poeta de Muerte de Narciso...

De Cuba, Pablo A.



Se evitaron cerca de 800 000 muertes debido al descenso en tabaquismo

Programas y estrategias de control del tabaco del siglo XX fueron responsables de la prevención de más de 795 000 muertes por cáncer de pulmón en Estados Unidos de 1975 al 2000. Si todo el tabaquismo en este país hubiera cesado después de la publicación del primer informe del Director General de Sanidad sobre el tabaquismo y la salud en 1964, un total de 2,5 millones de personas no habrían muerto por cáncer de pulmón en los 36 años que siguieron a ese informe


Reflexiones Epistemológicas sobre la Investigación Cualitativa en  

Microsoft Academic Search

It is usually supposed qualitative research is an alternative to quantitative \\/ positive social science and is much easier to apply. This essay says there are no arguments for that beliefs. From this point, it describes what computer analyzes can say qualitative research in the social sciences. En las Ciencias Sociales existe una estrategia metodológica que ha cobrado un especial

Ciencias Sociales; Adrián Scribano


Efecto de la oxitetraciclina sobre el cartílago  

Microsoft Academic Search

In general there has been concern about the possible systemic effects of the agents used in synoviorthesis specially in skeletally immature patients, even more than the local effects in the articular cartilage wich is exposed to this substances, without knowing the short and long term consequences. In this experimental study in animals we injected the knees of 64 rabbits with

Jorge Eduardo Páez; Richard Hennessey Montilla; José Armando Amador; Camilo Martínez; Unidad de Ortopedia


INVESTIGACIN Instituto de Investigaciones sobre Recursos  

E-print Network

la agricultura · Manejo y calidad del agua costera y subterránea · Estudios hidrológicos (H&H) y · Manejo de erosión y sedimentación · Manejo y calidad de agua superficial · Manejo y tratamiento de aguas usadas · Manejo y control de fuentes dispersas · Manejo y control de inundaciones · Mapas de riesgos y

Gilbes, Fernando


Reflecting on Culture. (Reflexionando Sobre la Cultura.)  

ERIC Educational Resources Information Center

The article comments on two articles, previously published in the same journal, which address the relationship between the "little" cultural tradition of Chicanos, Cubans, and Puerto Ricans and the "great" tradition of Hispanic arts and letters. Notes similarities among these groups and calls for the banding together of Hispanic artists. (SB)

Irizarry, Estelle




Microsoft Academic Search

This brief article is devoted to reflecting on the genesis of sociology from a theoretical and epistemiologic perspective. We have a look at the categorial building of sociology from the historical and structural processes of knowledge and culture. We should highlight the importance of the Industrial Revolution, and the French Revolution, the development of science, the Enlightenment, historicism, sensism, and



Resolución de consultas anónimas sobre DNS  

Microsoft Academic Search

Resumen—La utilización de DNS como mecanismo base de nuevos servicios telemáticos basados en resolución de nombres puede suponer riesgos en seguridad y privacidad. La información intercambiada entre clientes y servidores viaja sin ningún tipo de protección. Dicha información puede ser capturada por malware o servidores de acceso deshonestos y acabar siendo vendida para su utilización en técnicas de spamming o

Joaquín García-Alfaro; Sergio Castillo-Pérez


Evidencia sobre las Desinflaciones: Experiencia Internacional  

Microsoft Academic Search

En el presente artículo se analizan las políticas desinflacionarias utilizadas para lograr el paso de inflación moderada a inflación de un dígito en nueve países cuya estructura es semejante a la colombiana y cuyo éxito desinflacionario ha sido sostenible. Estos son: Chile, Bolivia, Grecia, España, Portugal, Irlanda, Israel, Nueva Zelandia e Islandia. Además, para cada uno se utilizan dos criterios

Carlos Humberto Cardona; Adriana Pontón; Eduardo Sarmiento



Sobre la importancia de la alfabetizacin informtica  

E-print Network

computadora, scanners y otros instrumentos informáticos a los que deben agregarse productos software tales instrumento auxiliar en diferentes procesos de enseñanza-aprendizaje que van desde la educación formal en expertos, el uso de instrumentos multimediales para la capacitación, etc. En muchas escuelas el

Spagnolo, Filippo



Microsoft Academic Search

Citizenship education appears like a field of renewed interest due to the new socioeconomic, political and cultural scenarios but with a delayed production in psycho-educative research. A debate is sustained by different conceptions about citizenship education, including the election of its key competences and the different emphasis granted to knowledge, attitudes, values and abilities, assigned to form future citizens. In

María Silvina



E-print Network

de Jacob: Test muy constante y además Test =Teff (cuestionado reciente- mente por Copty & Findikakis [2004] que dicen que Test Teff ) Sest muy variable e indicador de conexión con punto bombeo #12;S-33 S línea roja es aprox. T=0.30 m2/d Según los resultados de Willman et al. [2005, hopefully] Twell> Teff

Politècnica de Catalunya, Universitat


A Proposed Activity for a Meaningful Learning about the Moon Phases. (Breton Title: Uma Proposta de Atividade Para a Aprendizagem Significativa sobre as Fases da Lua.) Una Actividad Propuesta Para EL Aprendizaje Significativo Acerca de Las Fases de la Luna  

NASA Astrophysics Data System (ADS)

This paper presents one of the concepts of Astronomy and its consequent failure in teaching this topic in high school, even when the official documents point out the necessity of Astronomy teaching at this school level. Among the spontaneous conceptions in Astronomy that high school students carry with them, even after the end of the school, we emphasized in this research the Moon phases. The development of different strategies in relation to traditional methods, aimed to teaching-learning process on this topic was considered in this study. These strategies were devised based on the reference frame of the Meaningful Learning, as elaborated by Ausubel. The proposals presented here include the active participation of students in experimental activities and other didactic activities, for their continuous evaluation during the process. These activities finished with a Comics elaboration about the Moon phases. Therefore, the objective of this paper is to present a proposal for differentiated teaching activity about Moon phases supported by the theoretical principles of Meaningful Learning at Physics classes. Este texto foca um dos conteúdos de Astronomia e a consequente falha no ensino deste tema no ensino médio, apesar de os documentos oficiais apresentarem a necessidade de se trabalhar a Astronomia neste nível de ensino. Dentre as concepções alternativas em Astronomia que os alunos do ensino médio carregam consigo, mesmo após o término dos estudos, destacamos, nesta pesquisa, o fenômeno das fases da Lua. O desenvolvimento de estratégias diferenciadas em relação ao ensino tradicional, visando o processo de ensino-aprendizagem sobre este tema, foi contemplado neste trabalho como um dos resultados obtidos sob a luz dos referenciais da aprendizagem significativa, fundamentados em Ausubel. Segundo a proposta aqui apresentada, a participação ativa dos alunos na execução de uma atividade experimental e outras atividades didáticas, que visam sua contínua avaliação durante o processo, culmina com a elaboração de uma história em quadrinhos envolvendo as fases da Lua. Portanto, o objetivo deste trabalho é apresentar uma proposta de atividade didática diferenciada sustentada pelos princípios teóricos da aprendizagem significativa aplicada ao ensino das fases da Lua durante as aulas de Física no ensino médio. En este trabajo se presenta uno de los contenidos de la Astronomía y el evidente fracaso en la enseñanza del tema en la escuela secundaria, a pesar del hecho que los documentos oficiales apuntan para la necesidad de trabajar contenidos de Astronomía en este nivel. Entre los conceptos alternativos en Astronomía que los alumnos secundarios llevan consigo, aún después de terminados los estudios, destacamos aquí el fenómeno de las fases de la Luna. El desarrollo de diferentes estrategias en relación con los métodos tradicionales, dirigidas al proceso de enseñanza-aprendizaje en este tema fue considerado en este trabajo como uno de los resultados obtenidos a la luz de los referenciales del aprendizaje significativo, tal como fueron fundamentados por Ausubel. Según la propuesta que aquí se presenta, la participación activa de los estudiantes en la ejecución de una actividad experimental y otras actividades educativas destinadas a la evaluación continua durante el proceso culminó en la elaboración de una historieta respecto de las fases de la Luna. Por lo tanto, el objetivo de este trabajo es presentar una propuesta de actividad de enseñanza diferenciada con el apoyo de los principios teóricos del aprendizaje significativo aplicado a la enseñanza de las fases de la luna durante las clases de física del ciclo secundario.

Martins, Bruno Andrade; Langhi, Rodolfo




Microsoft Academic Search

O fenômeno da pluriatividade tem sido um tema bastante debatido e controverso. Nesse debate destacam-se duas perspectivas teóricas que polarizam o debate que são: a do “novo rural” e a da pluriatividade como “estratégia de reprodução social”. Essas perspectivas, apesar de vêem esse fenômeno como eixo dinâmico para o desenvolvimento do meio rural, possuem interpretações diferentes do que vem a

Raquel Pereira Souza; Marcelo Santos Souza



Un estudio exploratorio sobre el desarrollo de creencias sobre síntomas como señales de hipertensión arterial  

Microsoft Academic Search

Aunque la hipertensión arterial es un trastorno asintomático, muchos pacientes hipertensos están con- vencidos de experimentar síntomas indicadores de los cambios en su tensión arterial (TA), y los con- sejos y prescripciones médicas pueden verse afectados por estas creencias. Diversos estudios han mos- trado que los pacientes hipertensos usan con frecuencia síntomas como indicadores del estado de su tensión arterial

Genoveva Granados Gámez; Jesús Gil Roales-Nieto; José Luis; Ybarra Sagarduy



Historia, Nación y Género: La representación de la historia en El ataúd de uso y No pertenezco a este siglo de Rosa María Britton  

E-print Network

proposed by Hayden White serves to clarify the idea of history and fiction in literature. The works of Michel Foucault, Simone de Beauvoir and Lucia Guerra-Cunningham helped capture the representation of woman throughout history. The two novels studied...

George, Ana



La Educacion de los Jesuitas en Cuba durante el Siglo XVI (1566-1574) (Jesuit Education in Cuba during the 16th Century (1566-1574).  

ERIC Educational Resources Information Center

Explains the relationship between Spanish colonialism in Cuba, evangelization of the Indians, and the origins of Cuban culture, as well as the role the Jesuits played in this process of transculturation. Analyzes the first phase in the history of the educational work of the Jesuits in Cuba (1566-1574). (BT)

Puentes, Roberto Valdes



Hag(e)ografía: Propaganda ideológica y política geográfica en los discursos hagiográficos peninsulares. La construcción de la nación española (siglos XIII a XVII)  

E-print Network

aplicación de su término en referencia a sociedades pre-burguesas. Muchos críticos consideran su aplicación como errónea, por tratarse de un término totalmente anacrónico, tal es el caso de Jürgen Habermas, por ejemplo, que arguye que el concepto no se...

Garcia Otero, Maria Jose



Interesados creadores de opinión : trazas y piezas de memorialismo justificativo en la temprana producción autobiográfica española (siglos XVI y XVII). Notas para su estudio  

Microsoft Academic Search

El artículo describe el subgénero del «memorialismo autojustificativo». Se trata de escritos autobiográficos individuales en que se relata la actividad desarrollada en el ejercicio de un cargo al servicio del Estado o de la Iglesia. Con frecuencia, tienen la finalidad de justificar la propia actuación y, a menudo, de defenderse. El autor traza un primer inventario de estos textos en

Fernando Andrés Robres



Memories of Astronomy Education in Brazil: Clippings from the Discourses of Interviewed Researchers on the Subject. (Spanish Title: Memorias de la Educación en Astronomía en Brasil: Recortes de los Discursos de Investigadores Entrevistados Acerca del Tema ) Memórias da Educação em Astronomia no Brasil: Recortes a Partir das Falas de Pesquisadores Entrevistados sobre o Tema  

NASA Astrophysics Data System (ADS)

This paper presents a historical retrospective concerning data from a research in Astronomy Education in Brazil, after 1973. It was organized on the basis of the speech analysis of national researchers considered references in this field by their peers. Furthermore, it was elaborated on the basis of other studies from the areas of Science Education, Physics and Astronomy. This historical overview was developed in order to facilitate understanding of the contexts in which the interviewed researchers have developed professionally. Moreover, we attempted to recover the memory of the growing field of research in Astronomy Education in the country. We believe that the history presented can help those trying to understand the past in an attempt to resolve current and future demands. Se presenta en este artículo una retrospectiva histórica referente a datos provenientes de la investigación en enseñanza de la astronomía en el Brasil, después de 1973, organizada sobre la base del análisis de los discursos de los investigadores nacionales considerados referencias en este campo, y también en la lectura de las publicaciones en las áreas de Enseñanza de las Ciencias, Física y Astronomía. Este repaso histórico se desarrolló con el fin de facilitar la comprensión de los contextos en los que los investigadores entrevistados se han desarrollado profesionalmente. Por otra parte, se intentó recuperar la memoria del creciente campo de la investigación en Educación en Astronomía en el país. Creemos que el relato presentado puede contribuir a quien trata de comprender el pasado, en un intento de resolver las demandas actuales y futuras. Relata-se neste artigo uma retrospectiva histórica referente a dados provenientes de pesquisa em Educação em Astronomia no país, pós 1973, organizada com base na análise das falas de pesquisadores considerados referências nacionais nesse campo, como também na leitura de publicações das áreas de ensino de Ciências, Física e Astronomia. Tal panorama histórico foi desenvolvido com o intuito de favorecer nossa compreensão sobre os contextos nos quais os pesquisadores entrevistados se desenvolveram profissionalmente. Ademais, buscou-se recobrar a memória do crescente campo de pesquisa em Educação em Astronomia no país. Entendemos que o histórico apresentado possa contribuir para com os que buscam entender o passado na tentativa de solucionar demandas atuais e futuras.

Iachel, Gustavo; Nardi, Roberto



XII Congrs de la Socit Franaise de Gnie des Procds Pour relever les dfis industriels du XXI sicle A la croise des Sciences et des Cultures, Marseille : France (2009)  

E-print Network

formation method is a less energy intensive and has an interesting potential to separate carbon dioxide of water molecules traping a gas molecule. Gas hydrate formation is favoured by high pressure and low to thermodynamic modelling Gas hydrate formation and dissociation is studied for long times. The industrial

Boyer, Edmond



Design and Analysis of Salmonid Tagging Studies in the Columbia Basin, Volume XXI; A Summary of Methods for Conducting Salmonid Fry Mark-Recapture Studies for Estimating Survival in Tributaries, Technical Report 2005-2006.  

SciTech Connect

Productivity and early fry survival can have a major influence on the dynamics of fish stocks. To investigate the early life history of fish, numerous methods have been developed or adapted to these much smaller fish. Some of the marking techniques provide individual identification; many others, only class identification. Some of the tagging techniques require destructive sampling to identify a mark; other methods permit benign examination and rerelease of captured fish. Sixteen alternative release-recapture designs for conducting fry survival investigations were examined. Eleven approaches were found capable of estimating survival parameters; five were not. Of those methods capable of estimating fry survival, five required unique marks, four required batch-specific marks, and two approaches required remarking and rereleasing captured fry. No approach based on a simple batch mark was capable of statistically estimating survival.

Skalski, John



Life sciences and space research XXIII(2): Planetary biology and origins of life; Proceedings of the Topical Meeting and Workshops XX, XXI and XXIII of the 27th COSPAR Plenary Meeting, Espoo, Finland, July 18-29, 1988  

NASA Technical Reports Server (NTRS)

This volume includes chapters on exobiology in space, chemical and early biochemical evolution, life without oxygen, potential for chemical evolution in the early environment of Mars, planetary protection issues and sample return missions, and the modulation of biological evolution by astrophysical phenomena. Papers are presented on the results of spaceflight missions, the action of some factors of space medium on the abiogenic synthesis of nucleotides, early peptidic enzymes, microbiology and biochemistry of the methanogenic archaeobacteria, and present-day biogeochemical activities of anaerobic bacteria and their relevance to future exobiological investigations. Consideration is also given to the development of the Alba Patera volcano on Mars, biological nitrogen fixation under primordial Martian partial pressures of dinitrogen, the planetary protection issues in advance of human exploration of Mars, and the difficulty with astronomical explanations of periodic mass extinctions.

Schwartz, A. W. (editor); Dose, K. (editor); Raup, D. M. (editor); Klein, H. P. (editor); Devincenzi, D. L. (editor)



Uncommon Grounds: The History of Coffee and How It Transformed Our World. By Mark Pendergrast. New York: Basic Books, 1999. Pp. xxi, 520. $27.50, cloth; $18.00, paper  

Microsoft Academic Search

The history of coffee is a tale of romance and complexity, sometimes bitter, sometimes enlightened. Mark Pendergrast weaves this tale with the art of a master storyteller. From its legendary discovery in the ancient land of Abyssinia (now Ethiopia), coffee became a source of stimulus for new ideas, work, and social controversy. Traded throughout the Ottoman Empire in the sixteenth

Alan Dye



Zastosowanie magii jako jeden z najcz?stszych przes?dów seksualnych w Polsce w pierwszej dekadzie XXI wieku The applying of magic as the most frequent sexual superstition in Poland of the first decade of the 21th century  

Microsoft Academic Search

Based on the data collected from questionnaires we tried to present the place of magic knowledge in respect to the sexuality of the Poles in the first decade of the 21 th century. We found that the presence of magic at the sex is not marginal event. We created the pattern features of the people especially interested in magic knowledge

Kinga Filipek; Marek E. Marcyniak


Influência do Shiatsu sobre a pressão arterial sistêmica  

Microsoft Academic Search

SUMMARY Introduction. Shiatsu is pressure applied with the fingers on reflex points. The objective is to verify the influence of the Shiat - su on blood pressure. Method. The population was composed by seven subjects of both genders, aged between 18 and 40 years old, without historic of significative blood pressure variation. The blood pressure was measured at six moments,

Caio Imaizumi; Teresa Cristina de Carvalho; Adriana Domingues Anselmo; Andreia de Oliveira Joaquim; Carlos Mendes Tavares; Luiz Carlos de Abreu


Algunas falacias sobre la 'nueva economa' GUILLERMO DE LA DEHESA  

E-print Network

crean redes, pero esas redes necesitan vender algo, transportarlo y entregarlo al cliente o al coste, de mayor productividad y de mayor rentabilidad) la creación de las nuevas redes de información, al final, a colonizar dichas redes y afianzarse aún más en sus sectores productivos generando menores

Bilbao Arrese, Jesús Mario


Sobre o uso das séries de Puiseux em mecanica celeste  

NASA Astrophysics Data System (ADS)

Neste trabalho é apresentada uma demonstração do uso dos diferentes desenvolvimentos em séries para as equações de perturbação em Mecânica Celeste no marco Hamiltoniano. Em trabalhos clássicos como os de Poincaré (Poincaré, 1893) por exemplo, já esta planteado o uso de potências não inteiras no pequeno parâmetro, o que evidencia a não analiticidade das funções quando uma ressonância ocorre. Nestes trabalhos os desenvolvimentos são na raíz quadrada da massa de Júpiter (o pequeno parâmetro). Mais recentemente (Ferraz-Mello, 1985) outros tipos de desenvolvimentos foram aplicados modificando substancialmente as ordens de grandeza e a velocidade de convergência das séries. Com esta abordagem, os desenvolvimentos foram expressados em termos da raíz cúbica do pequeno parâmetro. Neste trabalho apresentamos um enfoque geral, onde os diferentes tipos de desenvolvimentos em séries de Puiseux (Valiron, 1950) são obtidos a partir da aplicação de Teorema de Preparação de Weierstrass (Goursat, 1916) considerando a equação de Hamilton-Jacobi como uma equação algébrica. Os resultados são aplicados ao problema restrito dos três corpos em ressonância de primeira ordem e, dependendo da grandeza da excentricidade do asteróide em relação à de Júpiter, obtemos os diferentes desenvolvimentos, em raíz quadrada ou raíz cúbica da massa de Júpiter.

Miloni, O. I.



Sobre el nacionalisme a Mallorca (1890-1936)  

Microsoft Academic Search

Aquest article analitza l’evolució dels grups, entitats i partits nacionalistes o regionalistes a Mallorca des dels seus orígens fins al començament de la Guerra Civil de 1936. L’autor també estudia l’arrelament social, el pensament polític i els vincles amb els altres territoris catalanoparlants.

Antoni Marimon Riutort



Estudios sobre Educacion, 2002 (Studies on Education, 2002).  

ERIC Educational Resources Information Center

This scholarly journal deals with the study of education. Articles in this second issue are: "La Vertebracion Academica de la Formacion Inicial del Profesorado" (The Academic Backbone of the Initial Formation of Teachers) (Jose M. Esteve); "Deficiencia Visual en el Nino" (Visual Deficiency in the Young Child) (Feli Peralta; Juan Narbona); "The…

Estudios sobre Educacion, 2002



Formación de creencias sobre falsos síntomas en pacientes con hipertensión  

Microsoft Academic Search

Formation of beliefs about false symptoms in patients with hypertension. Hypertension is a major health problem and adherence to treatment is a critical factor for patients with this health condition. Noncompliance has been identified as the predominant reason for failure of hypertension therapy. Although it is generally assumed to be a silent disease and health professionals believe that blood pressure

Genoveva Granados Gámez; Jesús Gil Roales-Nieto



Creencias sobre la madurez psicológica y desarrollo adulto  

Microsoft Academic Search

Title: Beliefs about psychological maturity and adult development Abstract: Normative beliefs about the human life cour- se, especially the psychological change expected, are important for the self-perception of adult subject of his own development. This empirical study concerns the lay perspective, and has the aim of inquiring into implicit knowledge about psychological maturity that is adopted by the Spanish adult

Juan José Zacarés González; Emilia Serra Desfilis



Microsoft Academic Search

This article analyzes the effects of quality schooling on economic growth, focusing mainly the empirical aspects of this line of research. The text aims to answer fundamental questions put forward by recent literature: What effects education had on economic growth? Has the increase of average schooling affected equally both developed and developing countries? To answer these questions, the most relevant

Fernando Garcia; Thaís Pons; Caio Mussolini



Estudio piloto sobre el láser diodo en la cirugía estapedial  

Microsoft Academic Search

Stapes surgery has a long history. While the results are good, there is a possibility of complications that can lead to a worsening of hearing. The objective of this study was to study hearing in patients undergoing surgery using 980Nm Diode laser in the immediate postoperative period. In no case was the bone threshold worse in the first audiometry control

María Luisa Navarrete; Rafael Boemo; Mohamed Darwish; Jesús Monzón; Pedro Rojas



RESOLUO N. 01/PPGAS/2012 Dispe sobre os critrios para  

E-print Network

professores no Programa de Pós- Graduação em Antropologia Social da Universidade Federal de Santa Catarina Antropologia Social no uso de suas atribuições, considerando o que dispõe a resolução 05/CUN/2012, o Regimento do Programa de Pós-Graduação em Antropologia Social da UFSC e tendo em vista necessidade de atualizar

Floeter, Sergio Ricardo


Desafios de uma exposição sobre nanociência e nanotecnologia  

Microsoft Academic Search

The development of an interactive exhibition on nanoscience and technology in Brazil has inherent challanges. To present a scientific-technological area still under development, and yet unknown by most of the public, leads to a (re)consideration on the role of science museums and science centers in the formation and consolidation of the scientific practice itself. Museogrphically, the exhibition faces the challange

Sandra Murriello; Djana Contier; Marcelo Knobel



Spina Bifida. Fact Sheet = Espina Bifida. Hojas Informativas Sobre Discapacidades.  

ERIC Educational Resources Information Center

This fact sheet offers definitions of the three types of spina bifida (spina bifida occulta, meningocele, and myelomeningocele), outlines their incidence, describes characteristics of individuals with spina bifida, and reviews educational implications. The fact sheet discusses the need for many children with myelomeningocele to learn to manage…

National Information Center for Children and Youth with Disabilities, Washington, DC.


Prstamo domiciliario de los fondos documentales Informacin sobre recursos audiovisuales  

E-print Network

para uso docente Servicios Aula multimedia Elaboración de materiales digitales docentes Cursos de Página del Profesor Soporte técnico a la plataforma virtual de uso docente. Información más detallada en

Autonoma de Madrid, Universidad


Sobre los Contenidos Gramaticales en el Aula de Lengua Extranjera  

Microsoft Academic Search

The role of grammar in the foreign language classroom has been widely questioned in language teaching methodology. The positions have oscillated between those who have rejected the possibility of including grammar contents and those that have used grammar like a kernel of the learning process. The work that we present here is based on two fundamental ideas: (1) grammar must

Nuria Campos Carrasco; P. Pablo Devís Márquez




Microsoft Academic Search

Resumo: Os primeiros resultados de uma experiência didática utilizando um ambiente de aprendizagem, denominado Espaço Virtual de Aprendizagem (EVA) em apoio a atividades presenciais, realizada no CEFET -Campos\\/RJ apontam que o fórum deste ambiente teve alto nível de aceitação e contribuiu para melhorar a qualidade das aulas de Física no Ensino Médio. Para que essa primeira avaliação tenha sido confirmada

Ernesto Macedo Reis; Marília Paixão Linhares; Norte Fluminense


Um Olhar sobre "Beleza Americana" (A Look at "American Beauty").  

ERIC Educational Resources Information Center

Discusses the film "American Beauty" in light of a reading of Karl Marx. Finds that the film shows the circularity which marks bourgeois society, even though the rhythm of industry and renovation of the society masks it. States that Marx praises the industry, invention, and innovation of the bourgeoisie. (BT)

Bissoto, Maria Luisa



Aspectos generales sobre el dolor osteomuscular en el baile flamenco  

Microsoft Academic Search

IntroductionFlamenco dancers are susceptible to pain from their activity, which can be an important limitation. This study has aimed to discover what are the most common locations and what variables they are related to in order to develop more efficient care plans and preventive medicine measures.

J. L. Castilla-Cubero; A. S. Jiménez-Sarmiento




Microsoft Academic Search

Field data concerning temperatures and thermal differentials in an ultra-thin whitetopped (UTW) pavement achieved during four seasons are presented and discussed herein, fulfilling a previous and preliminary analysis presented by the authors. Present results are complemented by load tests over the pavements which allowed to verify field stresses as well as numerical analysis coherence for design of such a kind

Deividi da Silva Pereira; José Tadeu Balbo


Considerações sobre a prevenção do câncer de mama feminino  

Microsoft Academic Search

Abstract Breast cancer control should place emphasis on preventing cancers or detecting cases in early stages. Prevention not only focuses on the risks associated with breast cancer but also on protective factors. Some factors that increase breast cancer risk, such as postmenopausal obesity, high-dose exposure to ionizing radiation, exposure to pesti- cides\\/organochlorines and tobacco use, are modifiable; other risk factors,

Luiz Claudio Thuler



E-print Network

PHILIPPE WANIEZ * VIOLETTE BRUSTLEIN ** DORA RODRIGUES HEES (Colaboradora) *** N um artigo pubicado em 1997 BRUSTLEIN DORA RODRIGUES HEES (COLABORADORA) 6 técnicas ligadas à escolha de softwares de crítica automática

Boyer, Edmond


Consideraciones sobre la implementación de tecnología educativa en América Latina  

Microsoft Academic Search

Los países de América Latina han decidido implementar políticas para establecer cambios en los modelos educativos que lleven a conseguir una educación adecuada a las necesidades e intereses de los estudiantes. Esta sociedad, llamada Sociedad de la Información, requiere la adquisición permanente de competencias diversas para que los individuos puedan desempeñarse y adaptarse a situaciones laborales cambiantes. Un elemento transversal

Miguel Esparza Ochoa




Microsoft Academic Search

The increasing complexity of microprocessor based System-on-Chip (SoC) has made necessary the adoption of co-design methodologies with a high level of abstraction. These methodologies, highly dependent on the selected processor and the implementation technology, are becoming increasingly popular because of the growing rise of free hardware, which has made SoC design accessible to new big market niches and user groups

José I. Villar; Manuel J. Bellido; Enrique Ostúa; David Guerrero; Jorge Juan; Alejandro Muñoz


Preguntas sobre pagos Dana-Farber Cancer Institute y Children's  

E-print Network

bien Pagos para Oncología de Radiación 617-732-8434 Consejeros financieros Dana médica. Comuníquese con un consejero financiero de DF/CHCC en uno de los siguientes números. Children números que debe usar para comunicarse con los servicios financieros y de pagos. #12;Primer paso: Entienda

Liu, Xiaole Shirley



Microsoft Academic Search

This paper is a contribution of the Theoretic and Computational Physics Group GFTC as a support to experimentals development that Surfaces Electrochemical and Corrosion Group GSEC effects. You put forward a revision of the concepts of solitón, polarón and bipolarón also of the experimental results and perspectives that you find in a field of conductive polymerics. All this with on

Oscar Y. Fajardo; Raúl M. Torres; Fernando. Naranjo; Siervo Ramirez; E. Vera



Microsoft Academic Search

RESUMO: A exploração do trabalho infantil não se restringe a apenas alguns países. É um fato que ocorre em todo mundo. No entanto, a maioria dessas crianças se encontra nos países em desenvolvimento. Há milhões de crianças que trabalham, umas em tempo integral e outras, combinam o trabalho com os estudos e com outras atividades não-econômicas. Milhões de crianças fazem

Juliana Franchi da Silva; Sabrina Lílian Belusso; Adayr da Silva Ilha



E-print Network

Universidad Julio ­ Septiembre 2010 iii INDICE DE CUADROS Nº 1 Presupuesto de Egreso ­ Por Partida al 30 de Septiembre 2010. Pág 3 Nº 2 Presupuesto de Egreso ­ Por Proyecto al 30 de Septiembre 2010. 4 Nº 3 Inflación 30 de Septiembre de 2010. 13 Nº 12 Costo Académico Promedio por Estudiante al 30 de Septiembre de

Vásquez, Carlos


Captulo 37 Nocoes Basicas Sobre Espacos de Hilbert  

E-print Network

â?ºcos de Hilbert... 3 John von Neumann (1903--1957). 4 Nota histâ??orica. Dois dos trabalhos seminais de von apontada por diversos autores, mas foi especialmente von Neumann 3 quem mais claramente destacou sua relev Neumann a respeito sâ?ao: J. von Neumann, `` Ë? Uber die

Barata, João Carlos Alves


Algoritmo jerárquico de navegación sobre mapas multiresolución para robots autónomos  

Microsoft Academic Search

This paper presents a hierarchical path-planning algorithm based on 3D foveal structures. The environment is described by means of probabilistic maps presenting a high degree of decomposition. The novelty of this approach consists of using different resolutions in different areas of the map according to their interest, plus a pyramidal structure to compact free obstacles and obstacles into little nodes

C. Urdiales; A. Bandera; F. Sandoval



Microsoft Academic Search

Two cases of adrenal medular tumor in bovine are described on state of Pará. In case 1, yellow-brownish neoplasia of 6.0×4.5cm size was observed. Case 2, was constituted of a malignant neoplasia with the primary lesion measuring 33.0×18.0cm and weighing 6.5kg. Metastases were found in the lungs and in the

Gabriel Paiva; Leandro José Mondi; Eliane Aparecida de Toledo


Estudios sobre Educacion, 2002 (Studies on Education, 2002).  

ERIC Educational Resources Information Center

This journal, which provides abstracts of its articles mostly in Spanish and a few in English, contains studies (estudios) and notes (notas) about educational issues, as well as relevant book reviews (recensiones). Studies in this issue (No. 3, 2002) are: "Unprotected Time of Early Adolescence and Intergenerational Relations: A New Educational…

Estudios sobre Educacion, 2002



Modelo analítico del efecto de PRS sobre satélites GPS  

NASA Astrophysics Data System (ADS)

El sistema GPS (Global Position System) es, hoy en día, la herramienta de navegación y posicionamiento más potente y lo será sin duda en la próxima década. Gran parte de su valiosa utilidad se debe a la alta precisión que permite lograr y ésta, a su vez, depende, entre otras causas, de la precisión con que se conocen las órbitas de los satélites. La presión de radiación solar (PRS) fija el límite de la precisión con que pueden calcularse en la actualidad las efemérides satelitarias. El objetivo de este trabajo es proponer una mejor resolución de este fenómeno. El modelo analítico aquí presentado, se basa en el análisis del comportamiento de los residuos de un ajuste por mínimos cuadrados en el que se utiliza el modelo de PRS propuesto por Beutler. El mismo consiste en un modelo determinista del fenómeno con dos parámetros libres. Los resultados obtenidos ponen de manifiesto que, aún después de aplicar dichos parámetros, prevalecen en los residuos efectos semidiurnos en las componentes radial,tangencial y normal. Estos resultados obtenidos se comparan con los de un trabajo desarrollado por el Instituto de Berne (Beutler et al., 1994), en el que se utilizaron como pseudo-observaciones las órbitas precisas del IGS (CODE). El intervalo de integración escogido por este centro fueron las semanas 680 y 681. En resumen se tienen arcos de 14 días para todos los satélites, donde las efemérides precisas de los mismos para los 14 días fueron utilizados como pseudo-observaciones. El modelo de fuerza que empleó dicho centro fue básicamente el tradicional en lo que respecta al modelo de las fuerzas gravitacionales, y para la PRS utilizo el modelo standard de Beutler. Los parámetros de este modelo junto con las 6 condiciones iniciales (posición y velocidad) fueron ajustados por el método general de mínimos cuadrados. Los residuos en la componente radial, tangencial y normal, para los satélites con un buen comportamiento, presentan una componente semidiurna. El modelo analítico planteado en este trabajo, predice el comportamiento de los residuos que se observan en las publicaciones más recientes. Esto abre el camino para plantear una estimación distinta de las incógnitas del problema, basado en el método de colocación por mínimos cuadrados. Ello requiere modelar estadísticamente la señal debida a las componentes de la PRS que no son tomadas en cuenta en el modelo determinista.

Meza, A.; Brunini, C.; Usandivaras, J. C.



Microsoft Academic Search

El presente trabajo es de gran importancia por los efectos de la crisis económica mundial que ha traído como consecuencia que los países enfrentan una situación de emergencia alimentaria y necesitan ayuda exterior, nos proponemos brindar una orientación acerca de en qué consiste el proyecto de la Agricultura Urbana en nuestro país como opción muy provechosa en las actuales circunstancias

Yamila Santana Esponda; Ramiro Renol Ortega Vera




Microsoft Academic Search

La tecnología se ha convertido en un factor de poder en las relaciones internacionales, ambas son procesos sociales, encaminados al propio desarrollo de la humanidad. La ciencia debe estar al servicio del conocimiento y la razón para contribuir a la emancipación del ser humano, lejos de la influencia del poder, debe detenerse ante el juicio moral sin pretender juzgarla ni

Gloria Arleny Suárez Rodríguez; Maite Tovar Horta



Conversaciones sobre vida y teatro con Susana Torres Molina  

E-print Network

lectura y la escritura? Desde que tengo recuerdos, me veo leyendo muchísimo. De chica leía tanto la literatura que leía mi hermana, ocho años mayor, como los libros de Emilio Salgari. Me gustaba mucho Agatha Christie, Chesterton, Poe, la novela...

André , Marí a Claudia




Microsoft Academic Search

A group of studies was carried out on a compacted Red Ferralitic soil, with the aim of evaluating the influence of inoculation frequency with arbuscular mycorrhizal fungi (AMF) on rizobacteria population and its effect on yield of diverse crop sequences. Therefore, four field experiments were developed in a randomized block design repeated during two years; three different crops were alternated,

M. Riera; N. Medina


Sobre as inclinações carnais: inflexões do pensamento cristão sobre os desejos e as sensações prazerosas do baixo corporali  

PubMed Central

On carnal inclinations: from early Christianity to the present This study develops a historical review of the meanings of the “flesh” in the West, focusing on its significance in the context of Christianity. Our hope is that a study along these lines can help to illuminate current understandings of questions related to sexuality both within and outside of the religious contexts found in contemporary Brazil. Such questions are of special interest for those who are concerned with both old and new problems found in the field that has come to be known as sexual and reproductive rights, with implications for the field of Public Health. PMID:21980215




Cuestionario avanzado sobre Open Access y repositorios institucionales [Isidro Aguillo, Instituto de Estudios Documentales sobre Ciencia y Tecnologa  

E-print Network

repositorio institucional Digital.CSIC es una buena noticia para la comunidad científica del Consejo? ¿Por qué parecería razonable tener en cuenta la participación de los investigadores en su repositorio institucional su producción científica? ¿Cree que el repositorio institucional podría aumentar el interés de la


Logics for Specifying Concurrent Information Systems 1 HansDieter Ehrich, Carlos Caleiro, Amilcar Sernadas, and Grit Denker  

E-print Network

by the PRAXIS XXI Program and JNICT, as well as by PRAXIS XXI Projects 2/2.1/MAT/262/94 SitCalc, PCEX/P/MAT/46 modeling and specification techniques help making the right design decisions and adapting the system a sound reference basis for testing the implementation. This chapter is about high­level specification

Lisboa, Universidade Técnica de


22 CFR Appendix - Supplement No. 1 to Part 126  

Code of Federal Regulations, 2014 CFR

...supplement X X I-XXI Nuclear weapons specific to sensor fusion beyond that X X I-XXI Nuclear power generating specific to naval nuclear propulsion equipment...Articles related to sensor fusion beyond that...



A Course in Baluchi. Volume Two  

ERIC Educational Resources Information Center

Volume Two contains Units XXI through XXX of the Baluchi course. Unit XXI introduces the Arabic script as adapted for Baluchi. Special conventions, abbreviations, numerals, and punctuation symbols are discussed next, and several sections are devoted to the orthography of certain substantive and verbal affies. A series of reading drills which…

Barker, Muhammad Abd-al-Rahman; Mengal, Aqil Khan


Roles de género y sexismo en la publicidad de las revistas españolas: un análisis de las tres últimas décadas del siglo XX Gender Role and Sexism in Spanish Magazine's Advertisements: An Analysis of the Twentieth Century's Last Three Decades  

Microsoft Academic Search

In this paper, a content analysis of the Spanish magazines advertising during the twentieth cen- tury's last three decades is developed. Its objective is the study of the latent and manifest content evolution of this advertising related to the male and female stereotypes. In this sense, firstly a state of the art of longitudinal magazines advertising studies is pre- sented.




14 CFR 302.24 - Evidence.  

Code of Federal Regulations, 2014 CFR

...and Russell's Official National Motor Coach Guide. (xxi) The Rand McNally Commercial Atlas and Marketing Guide, and the Rand McNally Road Atlas, United States, Canada, and Mexico. (xxii) Survey of Buying Power published by...



14 CFR 302.24 - Evidence.  

Code of Federal Regulations, 2012 CFR

...and Russell's Official National Motor Coach Guide. (xxi) The Rand McNally Commercial Atlas and Marketing Guide, and the Rand McNally Road Atlas, United States, Canada, and Mexico. (xxii) Survey of Buying Power published by...



14 CFR 302.24 - Evidence.  

Code of Federal Regulations, 2011 CFR

...and Russell's Official National Motor Coach Guide. (xxi) The Rand McNally Commercial Atlas and Marketing Guide, and the Rand McNally Road Atlas, United States, Canada, and Mexico. (xxii) Survey of Buying Power published by...



14 CFR 302.24 - Evidence.  

Code of Federal Regulations, 2013 CFR

...and Russell's Official National Motor Coach Guide. (xxi) The Rand McNally Commercial Atlas and Marketing Guide, and the Rand McNally Road Atlas, United States, Canada, and Mexico. (xxii) Survey of Buying Power published by...



45 CFR 307.13 - Security and confidentiality for computerized support enforcement systems in operation after...  

Code of Federal Regulations, 2011 CFR

...agencies administering programs under titles IV (including Tribal programs under title IV), XIX, and XXI of the Act, and SNAP, to the extent necessary to assist them to carry out their responsibilities under such programs in accordance with...



45 CFR 303.21 - Safeguarding and disclosure of confidential information.  

Code of Federal Regulations, 2014 CFR

...under titles IV (including Tribal programs under title IV), XIX, or XXI of the Act, and the Supplemental Nutrition Assistance Program (SNAP), including: (i) Any investigation, prosecution or criminal or civil proceeding conducted in...



78 FR 49367 - Regulations Pertaining to the Disclosure of Return Information To Carry Out Eligibility...  

Federal Register 2010, 2011, 2012, 2013, 2014

...Eligibility Requirements for Health Insurance Affordability Programs AGENCY...Act, a State's children's health insurance program under title XXI of the...determination of eligibility for health insurance affordability programs...



From Giessen to Toulouse: 20 years in domestic animal cytogenetics  

E-print Network

and Levan, 1956) and, in 1959, Down's syndrome was associated with trisomy-21 (Lejeune et al, 1959) and Klinefelter's syndrome with the sex chromosome constitution XXY (Jacobs and Strong, 1959). In our field

Boyer, Edmond


26 CFR 54.9801-4 - Rules relating to creditable coverage.  

Code of Federal Regulations, 2012 CFR

...enrolled in the plan. (x) A health benefit plan under section... (xi) Title XXI of the Social Security Act (State Children's Health Insurance Program). ...categories of benefits— (i) Mental health; (ii) Substance...



29 CFR 2590.701-4 - Rules relating to creditable coverage.  

Code of Federal Regulations, 2013 CFR

...enrolled in the plan. (x) A health benefit plan under section... (xi) Title XXI of the Social Security Act (State Children's Health Insurance Program). ...categories of benefits— (i) Mental health; (ii) Substance...



29 CFR 2590.701-4 - Rules relating to creditable coverage.  

Code of Federal Regulations, 2010 CFR

...enrolled in the plan. (x) A health benefit plan under section... (xi) Title XXI of the Social Security Act (State Children's Health Insurance Program). ...categories of benefits— (i) Mental health; (ii) Substance...



26 CFR 54.9801-4 - Rules relating to creditable coverage.  

Code of Federal Regulations, 2010 CFR

...enrolled in the plan. (x) A health benefit plan under section... (xi) Title XXI of the Social Security Act (State Children's Health Insurance Program). ...categories of benefits— (i) Mental health; (ii) Substance...



29 CFR 2590.701-4 - Rules relating to creditable coverage.  

Code of Federal Regulations, 2011 CFR

...enrolled in the plan. (x) A health benefit plan under section... (xi) Title XXI of the Social Security Act (State Children's Health Insurance Program). ...categories of benefits— (i) Mental health; (ii) Substance...



29 CFR 2590.701-4 - Rules relating to creditable coverage.  

Code of Federal Regulations, 2012 CFR

...enrolled in the plan. (x) A health benefit plan under section... (xi) Title XXI of the Social Security Act (State Children's Health Insurance Program). ...categories of benefits— (i) Mental health; (ii) Substance...



26 CFR 54.9801-4 - Rules relating to creditable coverage.  

Code of Federal Regulations, 2013 CFR

...enrolled in the plan. (x) A health benefit plan under section... (xi) Title XXI of the Social Security Act (State Children's Health Insurance Program). ...categories of benefits— (i) Mental health; (ii) Substance...



26 CFR 54.9801-4 - Rules relating to creditable coverage.  

Code of Federal Regulations, 2014 CFR

...enrolled in the plan. (x) A health benefit plan under section... (xi) Title XXI of the Social Security Act (State Children's Health Insurance Program). ...categories of benefits— (i) Mental health; (ii) Substance...



26 CFR 54.9801-4 - Rules relating to creditable coverage.  

Code of Federal Regulations, 2011 CFR

...enrolled in the plan. (x) A health benefit plan under section... (xi) Title XXI of the Social Security Act (State Children's Health Insurance Program). ...categories of benefits— (i) Mental health; (ii) Substance...



Virtual and Physical Geographies of Social Activism The case study of Madrid’s Indignados   

E-print Network

The recent phenomenon of Occupy and of the Indignados has rekindled the fire of urban social movements in the last years: these movements surely represent the new prototype of social activism in the XXI century particularly for the step forward...

Contarin, Nicola



42 CFR 457.216 - Treatment of uncashed or canceled (voided) CHIP checks.  

Code of Federal Regulations, 2010 CFR

...of uncashed or canceled (voided) CHIP checks. 457.216 Section 457.216 Public...of uncashed or canceled (voided) CHIP checks. (a) Purpose. This section provides...portion of uncashed or canceled (voided) checks under title XXI. (b)...



Comparative analysis of spatial and temporal cognition in children with  

E-print Network

Variations 1 #12;Outline of Talk Focus on XXX/XXY in context of studies of 22q11.2DS Cognitive and neural of Talk Focus on XXX/XXY in context of studies of 22q11.2DS Cognitive and neural characteristics not been carried out to date. 5 #12;6 Chromosome 22q11.2 Deletion Syndrome Deletion on chromosome 22 at q11

Nguyen, Danh


Crew station for ground combat vehicles  

NASA Astrophysics Data System (ADS)

Force XXI is the vision to synthesize the technology, doctrine, and organization of the U.S. Army so that it can fight and win the wars of the 21st Century. Digitization--taking advantage of the microprocessor revolution--is a key enabler of the Force XXI plan. In the Crewman's Associate Advanced Technology Demonstration, crew stations for ground combat vehicles are being developed that allow the soldier to use digitization to maximum weapon system performance.

Mariani, Daniele



Análise sobre o Conhecimento de um Grupo de Alunos do Ensino Médio da Rede Estadual de São Paulo sobre Termos e Fenômenos Astronômicos do Cotidiano  

NASA Astrophysics Data System (ADS)

Embora os Parâmetros Curriculares Nacionais do Ensino Médio (PCN-EM) e as orientações complementares a esses Parâmetros (PCN+) apontem a importância de uma abordagem significativa de conceitos relacionados à astronomia nas aulas de Física, muitos estudantes terminam o Ensino Médio (EM) sem compreender a razão de certos acontecimentos de origem celeste, ainda que estes façam parte de seu cotidiano. Este trabalho tem por objetivo analisar os conhecimentos básicos em astronomia dos alunos de EM da escola estadual Batista Renzi, bem como investigar os meios através dos quais estes conhecimentos foram adquiridos. Para tanto foi elaborado um questionário de múltipla escolha aplicado a 310 alunos distribuídos entre as três séries do EM dos períodos matutino e noturno. Dessa forma, observou-se que apenas 34,5% relacionaram as estações do ano à inclinação do eixo de rotação da Terra, 21,3% indicaram a influência gravitacional da Lua e do Sol como responsáveis pelo fenômeno das marés, 24,5% indicaram corretamente quais são os objetos celestes mais próximos da Terra, 36,1% identificaram ano-luz como uma medida de distância e 34,2% reconheceram uma estrela cadente como meteoro. Em contrapartida, 67,1% compreendiam a sucessão entre dia e noite, 73,9% identificaram o Sol como estrela e 52,3% relacionaram o Big Bang à origem do Universo. Além disso, foram comparadas as respostas de alunos de diferentes séries e períodos, observando-se, dentre outras coisas, que os estudantes do terceiro ano apresentam um percentual de acertos semelhante ao dos alunos do primeiro, caracterizando que a abordagem de tópicos relacionados à astronomia no EM não tem contribuído para uma maior compreensão dos fenômenos e conceitos.

de Oliveira, E. F.; Voelzke, M. R.; Amaral, L. H.




Microsoft Academic Search

Resumen En este artículo se muestra el trabajo que se está realizando en nuestra universidad en relación a Real-Time Workshop. Con el objetivo de disponer de un entorno que permita completar el proceso de análisis, diseño y implementación, se han desarrollado drivers específicos para tarjetas de adquisición de datos así como para permitir el acceso al puerto de comunicación serie

A. Oller; C. Pous; S. Esteva; J. Ll


Variable effort fishing models in random environments 1 Work developed at CIMA-UE (Centro de Investigação em Matemática a Aplicações da Universidade de Évora), a research centre funded by the Portuguese PRAXIS XXI program of FCT (Fundação para a Ciência e a Tecnologia). 1  

Microsoft Academic Search

We study the growth of populations in a random environment subjected to variable effort fishing policies. The models used are stochastic differential equations and the environmental fluctuations may either affect an intrinsic growth parameter or be of the additive noise type. Density-dependent natural growth and fishing policies are of very general form so that our results will be model independent.

Carlos A. Braumann




Microsoft Academic Search

Plants from Piperaceae family are known to contain in their composition substances with insecticidal properties. Identification and isolation of compounds from these plants represent an alternative to conventional chemical insecticides, representing a promosing alternative to the incorporation of nex substances to the pest management, with important ecological advantages, like low environmental and human impact. The present study was developed to



Análisis de respuestas abiertas en un cuestionario sobre conductas relacionadas con el SIDA  

Microsoft Academic Search

Abstract The aim of this work is, first, to analyse and to describe the answers of 402 students of the University of Huelva in an open-ended question — through textual analyses— and, second, to know whether these answers




Influencia familiar sobre la conducta alimentaria y su relación con la obesidad infantil  

Microsoft Academic Search

RESUMEN. La conducta alimentaria es el conjunto de acciones que establecen la relación del ser humano con los alimentos. Se acepta generalmente que los comportamientos frente a la alimentación se adquieren a través de la experiencia directa con la comida, por la imitación de modelos, la disponibilidad de alimentos, el estatus social, los simbolismos afectivos y las tradiciones culturales. Además

Santos JL


Homework Tips for Parents = Consejos para los padres sobre la tarea escola.  

ERIC Educational Resources Information Center

Homework has been a part of students' lives since the beginning of formal school in the United States; the push for increased homework has increased, fueled by rising academic standards. Noting that parents involved can have either a positive or a negative influence on the value of homework, this booklet, in both English and Spanish, offers…

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


Los campos de concentración en Europa. Algunas consideraciones sobre su definición, tipología y estudios comparados  

Microsoft Academic Search

El artículo presenta el problema de los campos de concentración en Europa durante la Segunda Guerra Mundial y la posguerra. Aborda el origen y funcionamiento de los campos nazis y soviéticos, y presenta la perspectiva comparada de los campos de los países totalitarios con los campos de prisioneros de guerra y de internamiento, también denominados «de concentración». Para este fin

Jan Stanis?aw Ciechanowski




Microsoft Academic Search

Resumo As pastagens naturais representam um valor incalculável em termos de recursos naturais, devido a sua relevância sócio-econômica, ao seu imenso patrimônio genético, além de desempenhar importante papel na conservação do solo através cobertura vegetal. Todavia, têm sido consideradas de pouca qualidade sendo utilizados para alimentação de animais de baixo requerimento. Por outro lado, quando submetidas ao \\

Ricardo Miotto TURNES; Abdon Luiz; SCHMITT Filho; Hermes BENEDET; Jorge Homero DUFLOTH



Microsoft Academic Search

This article presents the results of a qualitative research (38 focus groups) about the memories of the serial Dallas among the Spanish audiences of today. It questions the classical approach about \\

Juan Menor Sendra; Carlos Camino del Molino


Una investigación cualitativa y etnográfica sobre el valor educativo y el uso didáctico del patrimonio cultural  

Microsoft Academic Search

Se han hecho valiosas aportaciones acerca del estudio del patrimonio cultural desde la perspectiva de las diversas ciencias sociales y de la didáctica, pero dichas aportaciones parece que han encontrado escaso eco en la enseñanza-aprendizaje de las ciencias sociales. Para acercarnos al conocimiento de lo que realmente se entiende por patrimonio cultural y su tratamiento en la enseñanza, a nivel

Neus González Monfort



Variacin Termal sobre la Superficie Ocenica del Caribe Samuel Pacheco-Cherena  

E-print Network

censor AVHRR (Advance Very High Resolution Radiometer) a bordo del satélite NOAA-18, cuya campana fue y AVHRR-3, que es el que utiliza en estos momentos el NOAA-18. (Figura 3). Figura 2. Especificaciones adicionales del censor AVHRR. El NOAA-18 es parte de una nueva serie de satélit

Gilbes, Fernando


Tpicos sobre programao de computadores como mtodo educativo no jardim-de-infncia  

E-print Network

apoiam-se fortemente na teoria construtivista de Jean Piaget (o que não é de espantar, já que Papert trabalhou com Piaget na Suíça), pese as necessárias diferenças que apresentam. Contudo, o aspecto essencial

Paris-Sud XI, Université de


Simposio interamericano sobre administracion de la educacion (Inter-American Symposium on Educational Administration).  

ERIC Educational Resources Information Center

The presidents and foreign ministers in Latin America recognize the importance of applying technology to school administration as the first step in any educational reform. In October 1968, the Organization of American States (OAS) [Organizacion de los Estados Americanos (OEA)], sponsored a symposium in Brasilia, Brazil, in cooperation with the…

Cespedes, Francisco S., Ed.


Recursos de Trabajo: Informacion sobre Carreras (Occupational Resources: Career Information). CHOICE (Challenging Options in Career Education).  

ERIC Educational Resources Information Center

Part of a two-level career education curriculum initially developed for migrant children, the book is the first of three secondary level texts designed to provide high school students with self-awareness, job and role information, and decision-making/goal attaining information related to career education. The text provides job and role information…

Putnam and Northern Westchester Counties Board of Cooperative Educational Services, Yorktown Heights, NY.


Documento de consenso sobre la utilización de profilaxis antibiótica en cirugía y procedimientos dentales  

Microsoft Academic Search

The goal of antibiotic prophylaxis in Odontology is to prevent the onset of infections through the entranceway provided by the therapeutic action, therefore it is indicated providing there is a considerable risk of infection, either because of the charac- teristics of the operation itself or the patient's local or general condition. Nonetheless, clinical trials with antibiotics in dental pathologies have

José Luis Gutiérrez; J. Vicente Bagán; Antonio Bascones; Rafael Llamas; Jaime Llena; Araceli Morales; Blas Noguerol; Paloma Planells; José Prieto; Jose Ignacio Salmerón



Las Preguntas Que Hacen los Padres sobre la Escuela (Questions Parents Ask about School).  

ERIC Educational Resources Information Center

This guide presents questions that parents frequently ask about their children's school along with answers to those questions. The questions and answers were prepared based on the results of studies conducted by the Partnership for Family Involvement in Education, the U.S. Department of Education, the GTE Foundation, and by the National Center for…

National Opinion Research Center, Chicago, IL.


Normas, justiça, atribuição e poder: uma revisão e agenda de pesquisa sobre filas de espera  

Microsoft Academic Search

Norms, justice, attribution and power: a revision and research agenda about waiting lines. Considering waiting lines as social systems, a short analysis of the nature and types of queues is presented. Four themes of social psychology are used to analyze behavior in waiting lines: (a) social norms and social influence, (b) distributive, procedural and interactional justice, (c) causal attribution, and

Fabio Iglesias; Hartmut Günther




Microsoft Academic Search

Water movement was studied in two low permeability soils using undisturbed soil columns. Soil moisture was measured in several layers of the columns using the TDR technique with two parallel rods horizontally installed as wave guides. Previously to the test, the relationship between dielectric constant (Ka) and volumetric water content (Hv) was calibrated for each horizon of the two soils.

A. López; P. Crende; A. Castelao



Microsoft Academic Search

Field tests were carried out with the objective of characterizing the state of compaction in horticultural soil induced by traffic, after the development of a cabbage crop ( Brassica oleracea L. group capitata) cycle, and its incidence on yield. Measurements of penetration resistance, bulk density, and moisture content in soil were made and aeread biomass at the end of the

Antonino Marcelo Terminiello; Roberto Hernan; Jorge Alejandro Claverie; Juan Pablo Casado


Una Metodologia de Analisis de la Interaccion Alumno-Orgendaor en la Investigacion Sobre Informatica Educativa.  

ERIC Educational Resources Information Center

The recording of the interaction between pupil and computer is one of the data sources frequently used in research on the use of computers in teaching. Describes the analysis methodology of these recordings to determine the use of computers in statistics and its adaptation to other research work on the use of computers in education. (Author/MDH)

Estepa, A.; And Others



Cultural Diversity Awareness Inventory = Inventario Sobre el Reconocimiento de Diversas Culturas.  

ERIC Educational Resources Information Center

This booklet features a checklist designed to help persons who are involved in providing direct services to culturally diverse, young special needs children to assess their attitudes, beliefs, and behavior toward these children. The booklet also contains suggestions and lists of print, film, and filmstrip resources for developing a school program…

Henry, Gertrude B.



Microsoft Academic Search

In 1992 an anonymous and structured survey was taken to a group of teachers in the Cono Sur of Lima, aiming to get to know their attitudes, knowledge and beliefs about epilepsy. We found several wrong ideas and prejudices towards children with epilepsy, due to these findings, an informative program was started which is kept to date. The survey was





El objetivo del trabajo es conocer las disyuntivas entre los principios de beneficencia y autonomía, que se presentan en la relación médico-paciente, durante la terapéutica del intento de suicidio.La investigación se realizó en dos hospitales psiquiátricos de la Ciudad de México. La muestra incluyó a tres sujetos con intento de suicidio, mayores de 18 años, que eran atendidos en consulta externa a causa de una lesión autoinfligida en el último año, y a tres psiquiatras que trataban a estos pacientes. La información se obtuvo previo consentimiento informado en entrevistas individuales. Se llevó a cabo un análisis de discurso argumentado para encontrar los significados que los participantes otorgaron a los principios bioéticos y las posibles disyuntivas entre éstos.Las discordancias entre la beneficencia y la autonomía estuvieron relacionadas con el beneficio del tratamiento, el respeto por los valores y las creencias de los pacientes, entre otros. Este trabajo presenta consideraciones éticas relevantes en el escenario clínico, al ofrecer al psiquiatra un análisis bioético que le permita actuar de acuerdo con la beneficencia y respetando la autonomía del paciente frente a casos de intento de suicidio y, de esta forma procurar una mejor atención para ellos. PMID:20830214

Mondragón, Liliana; Monroy, Zuraya; Ito, Ma Emily; Medina-Mora, Dra Ma Elena



La UA organiza el encuentro argentino, alemn y espaol sobre Memoria Histrica, identidad y trauma  

E-print Network

Española, la Segunda Guerra Mundial y el secuestro de sus padres en las Dictaduras militares sudamericanas con la presencia de personas de diferentes nacionalidades que han vivido la (Post-) Guerra Civil generaciones con el denominador común que constituyen la guerra y/o el terrorismo de estado, así como

Escolano, Francisco


Los discursos sobre sexualidad en la obra de Alicia Gaspar de Alba  

E-print Network

, and the incorporation of clothing into an integral vision of the figure of the mestiza. In this section, Gaspar de Alba's unique lesbian gaze is revealed as a result of her interest in multiple positionalities. I follow this analysis with an exploration of her revision...

Vivancos P?erez, Ricardo F



Comercio Electrónico y Educación Superior: Consideraciones sobre el Cómo y el Cuándo  

Microsoft Academic Search

A new era is arising due to Information Technology dynamism. In such environment new business models are emerging generating new pressures for higher education institutions, which must prepare profession- als, technicians and top-Ievel executives to face this challenge. Results of an exploratory research, con- ducted in different industries of Mexico, are used as reference to address some considerations that could

Victoria E. Erosa



Efecto de la pentoxifilina sobre la evolución de la nefropatía diabética  

Microsoft Academic Search

Background and objectiveDiabetic nephropathy (DN) is the principal cause of end-chronic kidney disease. Metabolic and hemodynamic components are directly involved. However, convincing data have shown that inflammation participates in the diabetic complications. The aim of this study was to investigate whether the inhibition of the inflammation and pro-inflammatory cytokines with pentoxifylline (PXF) attenuate the progression of the DN.

Rafael Leyva-Jiménez; Alaín R. Rodríguez-Orozco; Luz Elena Ortega-Pierres; Jesús Ramírez-Enríquez; Anel Gómez-García; Cleto Alvarez-Aguilar



Debate Teórico sobre la Conformación de Territorios Inteligentes mediante Redes Sociales  

Microsoft Academic Search

Una de las áreas de mayor relevancia en las dos últimas décadas en el estudio de los activos intangibles ha sido, sin duda, la gestión de las actividades relacionadas con el desarrollo y explotación del conocimiento organizativo. Pero el aprendizaje organizativo es un proceso complejo, en el que intervienen diversos niveles de análisis. En tal sentido, es necesario destacar la

Efrén Armando Osorio Ramírez; Armando Heredia González; Alberto Méndez Torreblanca; Adolfo Aguilar Rico



Narrativa autobiográfica de estudantes de Química: reflexões sobre a atividade docente  

Microsoft Academic Search

This work discusses data related to a qualitative study, whose objectives were to analyze and understand the issues related to teachers initial training, on a chemistry course. The proposal was the establishment of an Autobiographical Narrative for each student, that should consider the following issues: school trajectory, with emphasis on experiences that influenced profession choice; influence of graduation in their

Luciana Passos Sá


Valores y actitudes sobre la contaminación ambiental en México. Reflexiones en torno al posmaterialismo  

Microsoft Academic Search

This study analyzes the relation be- tween values and attitudes concerning environ- mental pollution in Mexico and the change in values associated with the shift from materialism to post-materialism. The data indicate that the link is most evident among the wealthier sec- tors. Environmental values do, however, exist in less privileged groups, indicating that the environmental imperative is also emerging



Actividad Biológica in vitro de Extractos de Lupinus spp. sobre Hongos Fitopatógenos  

Microsoft Academic Search

The alkaloid content in seeds of Lupinus exaltatus, Lupinus rotundiflorus, and Lupinus montanus (Fabaceae) were determined. Alkaloid extraction and quantification were made by column chromatography and by a gravimetric method, respectively. The fungicide activity in vitro of extracts rich in alkaloids was also evaluated on Sclerotium rolfsii, Alternaria solani, Rhizoctonia solani and Fusarium oxysporum. The extracts were incorporated in potato-dextrose

Artemiza Bernal-Alcocer; Juan Francisco Zamora-Natera; Gil Virgen-Calleros; Ricardo Nuño-Romero




Microsoft Academic Search

This study estimates the economic cost of mining pollution on water resources for the years 2008 and 2009 based on the conceptual framework of Environmental Efficiency (Pittman, 1981.1983, Färe et al., 1989, 1993, 2003; Rao, 2000). This framework understands such costs as the mining companies trade-off between increasing production that is saleable at market prices (desirable-output) and reducing environmental pollution

Pedro Herrera; Oscar Millones




Microsoft Academic Search

Este estudio presenta una revisión de la regulación ambiental en Colombia y de sus resultados, concentrándose en el análisis del desempeño ambiental de la industria manufacturera y del sector energético. La evaluación detallada del rol que ha jugado la regulación ambiental permite las siguientes conclusiones: (1) Colombia enfrenta el reto de hacer la regulación ambiental más flexible, dando espacio a

Marcela Meléndez; Eduardo Uribe




Microsoft Academic Search

Notes about the nesting biology of the Lesser Swallow-tailed Swift (Panyptila cayennensis) in Antioquia. The Lesser Swallow-tailed Swift is poorly known in Antioquia and Colombia. In this paper I outline basic information about some nests from four localities at north of central Colombian cordillera, including pictures and some descriptive notes on the places and conditions where nests were found. These

Paulo C. Pulgarín-R


Sobre Como Varian las Firmas Manuscritas con el Tiempo: una Modelizacion Sigma Lognormal  

E-print Network

tecnolog´ia emergente, se debe dedicar esfuerzo a este tema. El t´ermino ageing se usa generalmente para las funciones de presi´on dadas por la mayor´ia de los dispositivos de adquisici´on on-line actuales

Autonoma de Madrid, Universidad


Memorias Tercer Congreso Internacional sobre la Enseñanza de la Matemática Asistida por Computadora  

Microsoft Academic Search

Un ambiente de aprendizaje apoyado con computadoras bajo un enfoque algorítmico, por medio de presentaciones de PowerPoint, puede resultar de gran ayuda para la en señanza de la Matemática. Dentro del proceso de ap rendizaje, en la fase de motivación puede resultar altamente estimulante a n ivel sensorial; en la fase de comprensión permite l a reiteración de los conceptos

Lorena Acuña; Maricella Becerril; Elsie Villalobos


Metáforas del artista adolescente: El juego alucinante en Sobre las mismas rocas  

E-print Network

concebirla como "el exterior de una calle con edificios al fondo. Quizás motivos abstractos, geométricos. Puede reducirse a cortinas negras o a la simple boca de un escenario desierto. Pero en todo momento será seca, sobria, sin detalles innecesarios" (22... destruidos, los inútiles, los desposeídos, los ilusos y los soñadores, los que el pensamiento activo inutiliza sus piernas, mis hermanos, a ésos los veo venir entre las sombras" (48). La implícita negación del agón, del ilynx mareante, de la mímica en su...

Febles, Jorge



Efeito do tratamento químico sobre a conservação de sementes de milho durante o armazenamento  

Microsoft Academic Search

The purpose of this research was to study the effect of varying dosages of insecticide and fungicide on the conservation of stored seeds. The products and dosages for each 1000Kg of seeds were: 1) control; 2) aniline (936mL); 3) aniline (936mL) + Thiabendazole (120g) + Dicarboximida (187.5g) + Pirimifos- methyl (6.25mL) + Deltamethrin (0.75mL); 4) aniline (936mL) + Thiabendazole (240g)

Simone Aparecida Fessel; Elisabeth Aparecida Furtado de Mendonça; Roberto Venceslau de Carvalho; Roberval Daiton Vieira



Geração e transmissão da energia elétrica: impacto sobre os povos indígenas no Brasil  

Microsoft Academic Search

This paper presents an overview of the effects of electric power generation and trans- mission on indigenous communities in Brazil. According to data from FUNAI (the Brazilian gov- ernment's Board of Indian Affairs), there are 156 cases of direct impact, present or future, of the electric power sector on Indian settlements geographically distributed throughout Brazil, 65% of which are located

Sergio Koifman



Sobre as afinidades entre a filosofia de Francis Bacon e o ceticismo  

Microsoft Academic Search

reSumo Este texto se ocupa de um exame, em caráter introdutório, das relações entre a reflexão de Bacon acerca das limitações de nossas faculdades e o ceticismo filosófico — um tema pouco considerado pela literatura mais re- cente, a despeito das muitas referências a tal filosofia. Ainda que, à primeira vista, tais referências possam parecer vagas e imprecisas, pensamos que

Luiz A. A. Eva



Diseño metodológico dela Encuesta Nacional sobre Violencia contra las Mujeres en México  

Microsoft Academic Search

Abstract Objective. To describe the methodology, the research de- signs used, the estimation and sample selection, variable definitions, collection instruments, and operative design and analytical procedures ,for the National Survey Violence Against Women,in Mexico. Material and Methods. A com- plex (two-step) cross-sectional study was designed and the qualitative design was carried out using in-depth interviews and participant observation,in health,care units.

Gustavo Olaiz; Aurora Franco; Lic en Tr Soc; Oswaldo Palma; Carlos Echarri; en Demografía; M en Antrop; Cristina Herrera


Diseño metodológico de la Encuesta Nacional sobre Violencia contra las Mujeres en México  

Microsoft Academic Search

Objective. To describe the methodology, the research de- signs used, the estimation and sample selection, variable definitions, collection instruments, and operative design and analytical procedures for the National Survey Violence Against Women in Mexico. Material and Methods. A com- plex (two-step) cross-sectional study was designed and the qualitative design was carried out using in-depth interviews and participant observation in health

Gustavo Olaiz; Aurora Franco; Oswaldo Palma; Carlos Echarri; Rosario Valdez; Cristina Herrera




Microsoft Academic Search

Effect of plant density on yield and quality of corn fodder. The experiment was condunted at the Alfredo Volio Mata Experimental Station of the University of Costa Rica, located at 1542 meters above sea level. The purpose was to determine the effect of plant density on total forage mass and the nutritive value of corn. Three diferent plant distances we-

Jorge Elizondo; Carlos Boschini


Declaración sobre los cambios que tendrán lugar próximamente en los programas de estudios clínicos del NCI

Los estudios clínicos son elementos fundamentales en la transformación de los descubrimientos científicos en métodos prácticos para prevenir y tratar el cáncer. En esta declaración, hacemos un resumen de los cambios que están teniendo lugar en las organizaciones que realizan estudios clínicos bajo los auspicios del NCI.



Microsoft Academic Search

En este trabajo argumentaremos que la educación en general y en particular la ambiental, tanto formal como no formal, en el caso ideal de que se realicen con una efectividad considerable (lo cual está muy lejos de la realidad) a través de actividades planificadas en las escuelas, no sólo no puede tener un desarrollo importante en el medio en que

Luis Quintanar Medina



Algunas consideraciones sobre la introducción de las tecnologías de la información en la educación  

Microsoft Academic Search

El auge que ha tenido la introducción de las Tecnologías de la Información y la Comunicación (TIC) en la sociedad actual, exige la búsqueda de nuevas alternativas para lograr un óptimo aprovechamiento de estos medios en la solución de problemas docentes educativos. Con el objetivo de elevar la calidad y la eficiencia del proceso de enseñanza-aprendizaje, se instrumentan desde hace

Noelio Vázquez Vargas




Microsoft Academic Search

The study verified the effect of the maturation on the anaerobic power (AnP) and the aerobic power (AP) of young athletes soccer players, with ages between 11 and 15 years. The athletes of the masculine sex (n = 67), they were submitted to two tests maximum of running of 40 seconds, and, of 5 minutes, in agreement with protocol of

Osvaldo Donizete Siqueira; Luiz Antonio Crescente; Anneliese Schonhorst Rocha



Microsoft Academic Search

This work provides a list of butterflies and moths collected on Graciosa Island (Azores) during June 07-15, 2004. Thirty three species were recorded, eleven of which are new citations to this island: Opogona sacchari (Bojer, 1856), Phyllocnistis citrella Stainton, 1856, Cosmopterix parietariae M. Hering, 1931, Tebenna bjerkandrella (Thunberg, 1784), Nomophila noctuella (Denis & Schiffermüller, 1775), Vanessa atalanta (Linnaeus, 1758), Vanessa




Educando e Aprendendo sobre a Informação de Transtornos Alimentares Presente na Internet  

Microsoft Academic Search

The Nervous Anorexia and the Nervous Bulimia are crescent interest topics in research. The kind of public information about the theme is of fundamental importance to determine the politics and practices in health. The coming of Internet provoked a paradigm change in the way how the information about health are transmitted and presented, creating a new and complex kind of

Carolina Sturm Trindade; Lucia Marques Stenzel; Caroline Tozzi Reppold; Maina Hemmann Strack; Cristine da Silva Medeiros; Sabrina Souza da Silva


Diferencias en el desarrollo de Panonychus citri (McGregor) sobre hojas de diversas especies  

E-print Network

hojas de: naranjos Navel y Valencia (dos variedades de Citrus sinensis), mandarino Clementino (C cle feuilles de : orangers Navel et Valencia (deux variétés de Citrus sinensis), mandarinier Clementino (C and oviposition of mites. Leaves of Navel and Valencia oranges (varieties of Citrus sinensis), Clementino mandarin

Paris-Sud XI, Université de


Guías de práctica clínica de la Sociedad Española de Cardiología sobre el desfibrilador automático implantable  

Microsoft Academic Search

Desde el primer implante en humanos en el año 1980, la tecnología de los desfibriladores automáti- cos implantables ha mejorado considerablemente y el número de implantes sigue creciendo cada año. Los desfibriladores automáticos implantables que utilizan cable endocárdico y choques bifásicos son actualmente los dispositivos de elección y son sufi- cientes en casi el 100% de los pacientes. Este docu-

Julián Pérez-Villacastín; José Ramón Carmona Salinas; Antonio Hernández Madrid; Emilio Marín Huerta; José Luis Merino Llorens; José Ormaetxe Merodio; Ángel Moya


Toxicidade letal e subletal do nim sobre o pulgão-verde e seu predador Eriopis connexa  

Microsoft Academic Search

The aim of this work was to assess, in laboratory, the effects of neem seed extract on chilli pepper pest, the green peach aphid Myzus persicae (Sulzer) and on its predator Eriopis connexa (Germar). Chilli pepper leaves were treated with an aqueous solution of neem seed extract (1% of azadiractin) at concentrations of 0.5 and 1.0%, using acephate (0.75 g

Madelaine Venzon; Maria da Consolação Rosado; Angelo Pallini; Amanda Fialho; Célia de Jesus Pereira



Algumas observações sobre o não verbal: neurociência da memória e clínica psicanalítica  

Microsoft Academic Search

The neuroscience of memory may enrich our understan ding of psychoanalytic theory. Recent studies show that memory is a process activated by a retrieval cue. Freud and others had already shown that each memory is constructed, tran sformed, and expanded anew leading to new networks and change Therefore, it can expand an d create new meanings and psychic changes. These

Flavia Sollero-de-Campos


Ecocardiografía tridimensional. Nuevas perspectivas sobre la caracterización de la válvula mitral  

PubMed Central

Recent developments in three-dimensional echocardiography have made it possible to obtain images in real time, without the need for off-line reconstruction. These developments have enabled the technique to become an important tool for both research and daily clinical practice. A substantial proportion of the studies carried out using three-dimensional echocardiography have focused on the mitral valve, the pathophysiology of mitral valve disease and, in particular, functional mitral regurgitation. The aims of this article were to review the contribution of three-dimensional echocardiography to understanding of the functional anatomy of the mitral valve and to summarize the resulting clinical applications and therapeutic implications. PMID:19232192

Solis, Jorge; Sitges, Marta; Levine, Robert A.; Hung, Judy




PubMed Central

El objetivo del trabajo es conocer las disyuntivas entre los principios de beneficencia y autonomía, que se presentan en la relación médico-paciente, durante la terapéutica del intento de suicidio. La investigación se realizó en dos hospitales psiquiátricos de la Ciudad de México. La muestra incluyó a tres sujetos con intento de suicidio, mayores de 18 años, que eran atendidos en consulta externa a causa de una lesión autoinfligida en el último año, y a tres psiquiatras que trataban a estos pacientes. La información se obtuvo previo consentimiento informado en entrevistas individuales. Se llevó a cabo un análisis de discurso argumentado para encontrar los significados que los participantes otorgaron a los principios bioéticos y las posibles disyuntivas entre éstos. Las discordancias entre la beneficencia y la autonomía estuvieron relacionadas con el beneficio del tratamiento, el respeto por los valores y las creencias de los pacientes, entre otros. Este trabajo presenta consideraciones éticas relevantes en el escenario clínico, al ofrecer al psiquiatra un análisis bioético que le permita actuar de acuerdo con la beneficencia y respetando la autonomía del paciente frente a casos de intento de suicidio y, de esta forma procurar una mejor atención para ellos. PMID:20830214

Mondragón, Liliana; Monroy, Zuraya; Ito, Ma. Emily; Medina-Mora, Dra. Ma. Elena



Perfiles de ingreso en el tiempo: análisis de descomposición sobre el seguimiento de una muestra  

Microsoft Academic Search

En este artículo se utiliza la teoría del capital humano para analizar las variaciones de los ingresos que provienen del trabajo de jefes de hogar radicados en Santiago, en los años 1968 y 1979. Aquí, se aplica un método de descomposición de ingresos a fin de detectar los factores principales que explican dichas variaciones. Se concluye que el factor que

Juan Foxley


Resolucion numerica de problemas evolutivos semilineales sobre dominios irregulares mediante metodos mimeticos paralelizables  

Microsoft Academic Search

@t = r ¢ (K(x)rˆ(x;t)) ¡ S(ˆ(x;t)) + f(x;t); (x;t) 2 › £ (0;T); acompa~nada de ciertas condiciones iniciales y de contorno. Suponemos que el dominio espacial › µR2 es un conjunto abierto y acotado de geometr¶‡a irregular, K es un tensor simetrico y defl- nido positivo, S es una funcion no lineal suave y f es un termino fuente\\/sumidero.

L. Portero; A. Arraras; J. C. Jorge




E-print Network

suponen una amenaza para el bienestar de toda la humanidad y de las generaciones futuras, Resueltos a que futuras, a eliminar la amenaza de las armas biológicas y químicas, Han convenido en lo siguiente: #12

Sussex, University of


Podredumbres basales de Gypsophila paniculata (Caryophyllaceae): Agentes causales y su patogenicidad potencial sobre Dianthus caryophyllus (Caryophyllaceae)  

Microsoft Academic Search

Summary: Basal rots of Gypsophila paniculata (Caryophyllaceae). Causal agents and its potential pathogenicity on Dianthus caryophyllus (Caryophyllaceae) The aims of the paper were to determine the causal agents of basal rots of Gypsophila paniculata in Argentina, and to evaluate its possible pathogenicity on Dianthus caryophyllus. Fusarium solani, F. oxysporum, Phytophthora nicotianae, Rhizoctonia solani, F. graminearum, F. verticilloides, F. equiseti and



RESOLUO N. 01/PPGRGV/2012, de 29 de maro de 2012 Dispe sobre credenciamento e  

E-print Network

, participante em grupo de pesquisa cadastrado no Diretório de Pesquisa do CNPq, publicações de livros, capítulos de livros, entre outros, a serem definidas pela Comissão de Credenciamento. Art. 3.° O pedido de livros, capítulos de livros, entre outros, a serem definidas pela Comissão de Credenciamento. Art. 5.° O

Floeter, Sergio Ricardo



E-print Network

razones de sexo, lo cual es contrario al Código de Equidad de la Universidad de Maryland, Diversidad e sexual indebida, que puede ser entre personas del mismo sexo o del sexo opuesto. La conducta sexual indebida puede ser una forma de discriminación por razones de sexo, prohibida por la legislación federal y

Bernstein, Joseph B.



Microsoft Academic Search

Different approaches to measure the diversity at local level (alpha and beta diversity), at regional level (gamma-diversity) and also at the landscape level (ecodiversity, in sense of Naveh) have been proposed. Of all these approaches, the ecodiversity allows to know the habitat availability, the connectivity among habitat and to achieve an idea of the space variability of the ecosystems. Seven

Juan J. NEIFF; Marcelo ROLÓN; Sylvina L. CASCO



Microsoft Academic Search

Man's activity generates an enormous volume of waste which, at present, is causing severe storage problems worldwide. Composting is a possible alternative to storage. The objectives of this work were to measure the evolution of temperature during the process of organic material composting with different C\\/N ratios, with and without inoculation with microorganisms, so as to select the shortest composting



Recopilacion Bibliografica Sobre Investigacion y Cambio Cultural (Bibliographic Compilation about Cultural Investigation and Exchange).  

ERIC Educational Resources Information Center

The bibliography forms part of a project to define guidelines for a method of cultural investigation in the education of adults. A brief introduction is followed by a list of libraries and the plan for the listing of entries in the bibliography. Entries are arranged alphabetically by author under the following general headings: background on the…

Centro Latinoamericano de Educacion de Adultos, Santiago (Chile).


Aqu hay otros sitiosWeb sobre ayuda financiera que vale la pena consultar  

E-print Network

doctorado u otro titulo terminal: 78% Profesores de jornada completa: 90% PRESUPUESTO ESTIMADO DE LOS vive en el campus universitario durante el año académico 2008­2009. *Estascifrass representan el costo General de Carolina del Norte, por ello, los costos son estimados y no exactos. U.P. 08-232 Printed


¿Cuánto más vale prevenir que curar? Reflexiones sobre la distribución de gastos en la atención médica  

Microsoft Academic Search

Según la sabiduría convencional, más vale prevenir que curar: el prevenir un accidente o una enfermedad no sólo evita dolor y sufrimiento, sino que será más barato que el tratamiento médico a la persona enferma o herida. A veces esto es claramente cierto, pero en otros casos puede ser cuestionable. Como mínimo, la distribución de recursos médicos entre atenciones preventivas

Philip Musgrove



Movimentos sociais, sindicato e imigrao Um estudo sobre o movimento dos trabalhadores sem-documentos na  

E-print Network

que a autora contextualiza e problematiza a nomenclatura a partir da luta política dos trabalhadores uma data fundamental na história dos movimentos sociais e em particular das lutas dos imigrantes. Foi

Paris-Sud XI, Université de


Efecto de Aspersiones al Follaje o Inyecciones al Tronco sobre la \\  

Microsoft Academic Search

The effect of a single foliar spray of cobalt sulphate (500 or 1000 mg?liter -1 ), ascorbic acid (500 or 1000 mg?liter - 1 ), or potassium metabisulphite (300 or 600 mg?liter -1 ) as well as trunk injections of Metidation (5 ml?m -2 canopy, applied twice) or phosphorous acid (2 g?m -2 canopy, applied two or four times) on

José León-de Alba


Vinte perguntas e respostas sobre o Programa Santander TOP USA na UFMG  

E-print Network

University Douglas Sears University of Massachusetts Susan Kelly Brown? Também não. 10. Quais as universidades norte americanas envolvidas? São elas: Boston University, Brown University Matthew Gutmann Harvard University Jason Dyett jdyett

Chaimowicz, Luiz



Microsoft Academic Search

Coatings of Ni - Al, Ni - SiC, Ni -WC y Ni - W- Co, were deposited and its capacity to protect of the abrasive wear effects on the steel substrate where they were deposited was studied. Coatings were obtained by thermal spraying using oxygen - acetylene combustion gotten by an Eutalloy torch of the Eutectic Castolin trade mark. Materials

SERGIO ECHEVERRI; Estudiante Ingeniería; JULIANA BEDOYA; Estudiante Ingeniería de Materiales; FABIO VARGAS; Ingeniero Metalúrgico



Efeito da homeopatia Arnica montana, nas potências centesimais, sobre plantas de artemísia  

Microsoft Academic Search

Effect of homeopathy Arnica montana, centesimal potencies, on plants of artemísia. Forty five days after the transplant to pots, plants of Tanacetum parthenium (L.) Schultz- Bip. gotten from seeds, received homeopathics solutions of Arnica montana, centesimal potencies (CH1, CH2, CH3, CH4 and CH5). The applications, weekly, were done in the same schedule, in the soil, after dilutions in deionized water.

L. M. Carvalho; S. P. Lisboa; M. A. Souza


Los ojos de la NASA sobre la Tierra - Duration: 97 seconds.  

NASA Video Gallery

La NASA cuenta con más de una decena de satélites que estudian la Tierra. Conoce la información que recaban los satélites, junto con Gilberto Colón, asistente especial del subdirector del Centro de...


Uma revisão sobre instrumentos de avaliação do estado funcional do idoso  

Microsoft Academic Search

The Comprehensive Geriatric Assessment is char- acterized as a functional and interdisciplinary evaluation. The first step is the assessment of functional status, which lies at the core of the procedure and can be defined by the level at which an individual performs roles and activi- ties of daily living. Such assessment can be car- ried out by instruments (questionnaires) whose

Carlos Montes Paixão Jr.; Michael E. Reichenheim



Efecto de las terrazas sobre la diversidad de artrópodos caminadores en cultivos de soja  

Microsoft Academic Search

Effect of terraces on soil dwelling arthropod diversity in soybean production: The loss of biodiversity in agroecosystems constitutes a main issue in ecological research. Steep backslope terraces, used for soil erosion control, could act as refuges for arthropods in agricultural landscapes. Total and predator arthropod species richness and abundance were surveyed in soybean fields in Entre Ríos under a no-till



Demanda por Servicios Públicos Domiciliarios en Colombia y Subsidios: Implicaciones sobre el Bienestar  

Microsoft Academic Search

En el presente trabajo se estiman funciones de demanda por los servicios públicos domiciliarios de agua y electricidad para una muestra de las ciudades más importantes en el país. Teniendo como fuente de información la Encuesta de Calidad de Vida 2003 se utiliza una metodología no lineal que aprovecha las particularidades de la función de oferta de estos bienes (bloque

Carlos Medina; Leonardo Fabio Morales



Sobre la aplicación de la analogía para derivar un teorema extendido de Pitágoras para el tetraedro  

Microsoft Academic Search

A Abbssttrraacctt:: The trirectangular tetrahedron is a three-dimensional generalization of the two-dimensional right triangle. It is a corner cut from a cube by means of an oblique plane, just as a right triangle is a corner cut from a square by means of an oblique line. The tetrahedron mentioned also obeys an Extended Pythagorean Theorem in which the sum of

M. A. Murray-Lasso



Notas sobre los Sonidos Consonantes en Espanol (Notes on Consonant Sounds in Spanish)  

ERIC Educational Resources Information Center

This paper examines the Spanish phonetic system, as set forth by Navarro Tomas in his "Manual de Pronunciacion Espanola," and discusses the influences exerted by certain sounds over others. (Text is in Spanish.) (CK)

Ezquerra, Raimundo




Microsoft Academic Search

s. - Annotated bibliography on raptor pellets analyses in Argentina. - We compiled an annotated bibliography on raptor pellets analyses in Argentina. It includes, from 1961 to 2000, 142 papers, 9 theses, and 48 published abstracts concerning 13 raptor species, with comments on methodology, natural history, and main points of interest. Tyto alba was the main source for Argentinean analyses,

Ulyses F. J. Pardiñas; Sebastián Cirignoli



E-print Network

Transferència de Tecnologia i Coneixement (Producte i procés) FundacióFundació CIMCIM · Generació de Tecnologia la UPC, per a contribuir al desenvolupament de la tecnologia i aportar coneixement a les empreses'any 2005 Institut Tecnològic en Tecnologies Avançades de la Producció: Centre de Tecnologia + Centre de

Casanellas, Marta


El peligro de las (in)definiciones: apuntes para un dosier sobre la \\  

Microsoft Academic Search

Toda definicio?n supone en el fondo una cierta forma de res- \\u000atriccio?n. Definir algo es, en esencia, dejar fuera de “lo defi- \\u000anido” todo lo que “por defecto” no es (ejemplo: definir \\u000a“perro” implica dejar claras las diferencias que hay entre ese ani- \\u000amal y, pongamos por caso, un gato... o una silla, tanto da). En el \\u000atema de la

Fernando de Felipe; Joaquim Roglan; Víctor-M. Amela; Joan Tharrats; Salvador Llopart; Bosco Palacios; Mireya Marrón; Martín Gálvez; David Saiz; Félix Romeo



Un modelo econométrico sobre el consumo de agua en el estado de Guanajuato  

Microsoft Academic Search

El problema del agua se agudiza debido a cuestiones de baja eficiencia en el uso del recurso. Por lo general, los volúmenes de agua que se aplican a los cultivos exceden a sus requerimientos. Entre los cultivos de más baja eficiencia se encuentra la alfalfa, uno de los insumos importantes para la producción pecuaria del Estado. De acuerdo a investigaciones

Eugenio Guzman Soria



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

NASA Astrophysics Data System (ADS)

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

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


Bibliografia sobre el "bilinguismo" del Paraguay (A Bibliography on Bilingualism in Paraguay)  

ERIC Educational Resources Information Center

This bibliography of ninety-five entries ranging in publication date from 1847 to 1947 brings together information from areas of history, literature, sociology, anthropology, sociolinguistics, descriptive linguistics, folk-lore and language planning, the central criterion being the relationship of these areas specifically to the bilingual…

Melia, Bartomeu




E-print Network

del Área de Libre Comercio para las Américas (ALCA) desarrollada por un novedoso actor transnacional y recomposición sindical a nivel internacional. Estas cuestiones resultan cardinales para comprender el relieve al proyecto del Área de Libre Comercio para las Américas (ALCA) en el continente americano. Con este

Paris-Sud XI, Université de


Perspectiva General sobre la Sordo-Ceguera (Overview on Deaf-Blindness). DB-LINK.  

ERIC Educational Resources Information Center

This overview provides basic information on the causes of deaf-blindness and the particular challenges faced by individuals who are deaf-blind. Causes of deaf-blindness include various syndromes, multiple congenital anomalies, prematurity, congenital prenatal dysfunction, and various postnatal causes. Differences between people deaf-blind from…

Miles, Barbara


Influência de fatores ambientais sobre o crescimento in vitro de Hypnea musciformis (Wulfen) Lamouroux (Rhodophyta)  

Microsoft Academic Search

The influence of environmental factors on in vitro growth of Hypnea musciformis (Wulfen) Lamouroux (Rhodophyta)). Hypnea musciformis (Wulfen) Lamouroux (Hypneaceae, Gigartinales) is an important carrageenan resource of Brazil used in the industry of phycocolloid gelling agent. The objective of this study was to investigate the influence of temperature (20 ºC and 25 ºC), enriched seawater with Provasoli's solution and aeration





Microsoft Academic Search

Resumo - O grande desafio neste início de século, para uma gestão efetiva e sustentável de recursos hídricos, é considerar o contexto social e político que condiciona as ações do Estado e as possibilidades de sucesso de qualquer política pública. O país tem perdido tempo e dinheiro discutindo como se chegar a um modelo ideal de gestão de águas, sem

Antônio Augusto; Rossotto Ioris



Microsoft Academic Search

RESUMO - Foram testados os óleos de andiroba (Carapa guianensis Aubl.), copaíba (Copaifera sp.), eucalipto (Eucaliptus globulus Labill. e Eucaliptus citriodora Hook.), nim (Azadirachta indica A. Juss), eugenol, pequi (Caryocar brasiliense Camb.), alecrim (Lippia gracillis HBK.) e cedro (Cedrela fissilis Vell.), em adultos de Sitophilus zeamais Mots. (Coleoptera: Curculionidae). No teste sem chance de escolha, 20 g de grãos de

Rodrigo Leandro; Braga de Castro Coitinho; José Vargas de Oliveira; Cláudio Augusto; Gomes da Câmara



Microsoft Academic Search

Relationships between environment and health associated to Amazonian climate, in particular in Acre, shows high numbers of seasonal incidences due to infectious, parasitary and respiratory illnesses in the population, with picks of respiratory illnesses during the dry season, in correspondence with high smoke concentration in the atmosphere, as a result of biomass burning in Amazonia. Manifestations of climate changes and

Alejandro Fonseca Duarte; Márcio Dênis Medeiros Marcarenhas


VI Jornades de Debat en Histria de l'IUHJVV Conferncia Internacional sobre "Arqueologia dels crims  

E-print Network

Humanity and Genocide" Barcelona, 13-14 desembre 2012/Barcelona, 13-14 diciembre/Barcelona, December 13 demanded severe punishment. In 1948, the UNO defined the crime of genocide. In 1998, the International of archaeology in the prosecution of crimes against humanity and genocide. #12;2 Programa/Programa/Program: 13

Verschure, Paul


Reflexiones Sobre la Capacitacion de Docentes (Reflections on In-Service Teacher Training).  

ERIC Educational Resources Information Center

Everyone concerned with educational systems performance agrees that the improvement of teaching qualities is a high priority in any educational effort. Teachers are assigned the role of change agents and are presented with new challenges, e.g., to make education global and permanent, flexible enough to serve in any environment (in or out of the…

Valle, Victor M.


As crianças pequenininhas produzem cultura? Considerações sobre educação e cultura infantil em creche  

Microsoft Academic Search

Resumo: Com o objetivo de compreender os encontros e desencontros do mundo da in- fância no âmbito da educação e da cultura em creche, assim como identificar as concepções do brincar atribuídas à educação infantil para crianças entre Oe 3 anos de idade e contribuir assim para a construção da Pedagogia da Educação Infantil, este artigo busca, no diálogo e

Patrícia Dias Prado


Las energías renovables: Perspectivas e impacto sobre el empleo en Asturias  

Microsoft Academic Search

RESUMEN El sector energético está experimentando transformaciones sustanciales como consecuencia del desarrollo de las energías renovables, cuyo impulso no sólo aporta beneficios ambientales, sino que también reduce la dependencia energética y contribuye a la creación de empleo. En este trabajo realizamos un análisis prospectivo del empleo en el sector energético en Asturias hasta el año 2010, estudiando el impacto que

Blanca Moreno Cuartas; Ana Jesús López Menéndez



Apuntes sobre la distribución geográfica de Neoleucinodes elegantalis (Lepidoptera: Crambidae) en Colombia  

Technology Transfer Automated Retrieval System (TEKTRAN)

Neoleucinodes elegantalis is considered the most limiting pest for production and merchandising of solanaceous fruit and vegetables in the Neotropics. The present study updates the geographic distribution of N. elegantalis in areas of major agricultural production of Solanum lycopersicum, S. melong...


Se inicia estudio de los NIH sobre respuestas excepcionales al tratamiento del cáncer

La Iniciativa de Respuestas Excepcionales (Exceptional Responders Initiative), un estudio que investiga los factores moleculares de los tumores en pacientes de cáncer que responden en forma excepcional al tratamiento con medicamentos, se inició hoy bajo la guía del Instituto Nacional del Cáncer (NCI). Los científicos tratarán de identificar en los tumores las características moleculares que predicen si un medicamento o una clase de medicamento en particular será beneficioso o no.


Preferencia alimentaria de arañas Misumenops pallidus (Araneae: Thomisidae) sobre potenciales insectos presa de cultivos de alfalfa  

Microsoft Academic Search

Feeding preferences of the spider Misumenops pallidus (Araneae: Thomisidae) on potential prey insects from alfalfa crops. The spider Misumenops pallidus (Thomisidae) is commonly found in alfalfa crops. We studied its predatory preferences on potential insect prey, particularly regarding agroecosystems pests. Two kinds of tests were done under normal laboratory conditions: simultaneous presentation of prey (n= 215) and alternative prey test

Germán Cheli; Andrea Armendano; Alda González



Profesionalismo: Un estudio fenomenologico sobre experiencias de universitarios en programas de salud  

NASA Astrophysics Data System (ADS)

Some studies suggest that, upon admission, medicine programs students display eagerness for community service, aspirations to be useful, and to contribute to society's well-being. Those same studies reflect that qualities of idealism, moral nature, and internal motivation, suffer a subsequent diminishing. The researchers inferred that the main reason for this process of change in the mood and disposition of these future physicians lies in the modeling they receive from medical professionals throughout clinical learning activities, by way of behavior and relationships exhibited during daily interaction with peers, patients and the students themselves. This phenomenological study used a cross-sectional sample to explore the experiences of future health workers as they went through didactic and clinical phases of their training curriculum. The study employed semi-structured interviews and reflective journals to explore those experiences and to discover the meanings ascribed by the participants. The analysis revealed that the students defined "professionalism" in terms of scientific knowledge, commitment, respect for human dignity, comradeship, courtesy, empathy, integrity, altruism, motivation. They also described their feelings as they went through the didactic and clinical experiences, and recognized as very important the extracurricular activities of community service, describing them as useful opportunities which contributed to understand their work in terms of a mission dedicated to the achievement of the social benefit. From their individual perspectives, the clinical environment could, in general, be described as congruent with those characteristics of professionalism. During the study we had the opportunity to share, in a little deeper way, the environment... the world... of this small group of young students as we went on trying to decipher their feelings and thoughts. At the end, we realized the richness of their sensibilities, we perceived the intensity of their moral and ethical convictions, we were able to understand their concerns, worries, struggles and efforts. This life event had profound and significant repercussions in our personal and professional life. As a result, and from now on, we will no longer look at our young scholars and apprentices without imagining a noble spirit, with goals which at times could seem unattainable... without completely visualizing or conceiving real hope for a better country.

Lopez Ortiz, Wilma J.



Microsoft Academic Search

Resumen: Este artículo afronta el nuevo reto que la tecnociencia médica ha abierto: la posibilidad de clonación terapéutica o reproductiva. En el presente trabajo se aborda, clara y esquemáticamente, la terminología científico-médica, desde los conceptos de reproducción sexual o asexual hasta la endonucleación, pasando por los conceptos de embrión gamético, somático, de cultivo y células madres, para ir realizando un

José Antonio Arranz; Xavier Ariza; Encarnació Riudor; Lluis Vilar; Jordi Salvadó; Núria Galofré; Susana Vendrell; Josep María Esquirol



Productos de software para la facilitación del aprendizaje sobre sistemas de producción de bovinos y ovinos  

Microsoft Academic Search

In this paper, we describe four developments oriented to help in the learning process on different issues of beef and sheep production systems. Also two preliminar tests for training of two of the products are presented. Products are a web-based Simulator of agricultural systems and three desktop software products, two about reproductive response of sheep and cattle, and one last

Claudio F. Machado; Mauricio Arroqui; Pablo Mangudo; Rodolfo Catalano; Eduardo Ponssa; Claudia Marcos



Microsoft Academic Search

SUMMARY Pullorosis (P) and Fowl Typhosis (FT) are bacterial diseases of poultry, respectively caused by Salmonella Gallinarum biovars pullorum and gallinarum. Both diseases have been eradicated from industrial poultry farms in some developed countries although they still subsist in commercial farms of Latin America. They are horizontally and vertically transmitted. Mortality may be high during the first two weeks of

Pablo A. Chacana; Medicina Veterinari



Microsoft Academic Search

Este trabajo tiene la pretensión de ser una crítica al teorema formulado por Okishio y recogido por el gran economista marxista Michio Morishima. El resultado, como se verá, resulta sorprendente. Pero una advertencia: nada más lejos de mi intención hacer siquiera un análisis histórico de ambos problemas. Eso ya ha sido hecho, hay mucha literatura al respecto y ha servido

Antonio Mora Plaza



Ahorre Energia: Consejos sobre el ahorro de dinero y energia en el hogar (Book)  

SciTech Connect

Learn how to save money with Energy Saver: Tips on Saving Money & Energy at Home, from the U.S. Department of Energy. The Energy Saver guide will help you reduce your monthly energy costs and live more efficiently. This guide takes you through the systems and appliances that consume the most energy in your home, and provides solutions to cut costs for you while saving the environment. The Energy Saver guide also includes transportation tips to help you save money at the pump.

Not Available




Microsoft Academic Search

Objective: To evaluate from the perspective of the patient, the effectiveness of the vaccine against the influenza virus, to prevent Influenza. Materials and methods : surveys were conducted from July 8 until August 1 2008 to 335 patients ol- der than 65 years for a total population of 1458 patients. We included patients who attended the ser- vice Sanatorium Cardiocentro

Natalia Silvana; Aráoz Olivos; Silvana Giselle D'Alesseandro; Natalia Cecilia Ríos; Miguel Héctor Ramos


Ciudad, etnicidad : las configuraciones de la etnicidad negra en la ciudad 1 version de trabajo, antes de correcciones  

E-print Network

la ciudad y en contextos contemporáneos se inició con la Escuela de Chicago hace casi un siglo. Sus promotores encuentran, en la transición del siglo XIX al XX en Chicago, un marco particularmente favorable

Paris-Sud XI, Université de


Outlook of the Officers: Military Thought in Chile, 1960-1990  

E-print Network

1906-2006. Santiago: Ediciones Centro de Estudios Bicentenario, San Francisco,San Francisco and Angel Soto, Un Siglo De Pensamiento Militar en Chile: El Memorial Del Ejército, 1906-San Francisco and Angel Soto, Un Siglo De Pensamiento Militar en Chile: El Memorial el Ejército, 1906-

Bawden, John Richard




Microsoft Academic Search

En el siglo XIX el deseo de mejorar la calidad de la música religiosa y su interpretación, así como el de conseguir una mejor adecuación a su función, dio lugar en España a una progresiva corriente de opinión y actuaciones concretas que culminarían a finales de siglo. Este movimiento reformista presenta elementos opuestos y a la vez complementarios. Por un

María Nagore Ferrer



Diterpenoids from the flowers of Rhododendron molle.  


A new seco-kalmane-type diterpenoid, seco-rhodomollone (1), five new grayanane-type diterpenoids, rhodomollein XXI (2), 6-O-acetylrhodomollein XXI (3), 6,14-di-O-acetylrhodomollein XXI (4), rhodomollein XXII (5), and 2-O-methylrhodomollein XI (6), and two new kalmane-type diterpenoids, rhodomolleins XXIII (7) and XXIV (8), together with seven known compounds, were isolated from the flowers of Rhododendron molle collected in Guangxi Province, China. The absolute configurations of 1 and 3 were defined by single-crystal X-ray diffraction experiments. Compound 1 possesses an unprecedented 1,5-seco-kalmane skeleton presumably derived by cleavage of the C-1-C-5 bond of the kalmane skeleton. Compounds 2-4 represent the first examples from a natural source of grayanane-type diterpenoids with a chlorine substituent. PMID:24787118

Zhou, Shuai-Zhen; Yao, Sheng; Tang, Chunping; Ke, Changqiang; Li, Lu; Lin, Ge; Ye, Yang



A Rare Case of Klinefelter Syndrome Patient with Quintuple Mosaic Karyotype, Diagnosed by GTG-Banding and FISH  

PubMed Central

Klinefelter syndrome (KS) is the most common sex chromosomal disorder in men. Most of these patients show the 47,XXY karyotype, whereas approximately 15% of them are mosaics with variable phenotype. A 39-year-old male investigated for primary infertility, was clinically normal with small firm testes and elevated levels of FSH, LH and low level of testosterone. Total azoospermia was confirmed on semen analysis. Testicular histopathology revealed no spermatogenesis and absence of germ cells. Karyotype from whole blood culture showed cells with 47,XXY/46,XX/ 45,X/48,XXXY/ 46,XY mosaicism. The predominant cell line was 47,XXY (83.67%). This was confirmed by fluorescence in situ hybridization (FISH). Also the presence of a small population of cells with the 48,XXXY and 45,X karyotypes was detected by FISH. This case illustrates the utility of FISH as an adjunct to conventional cytogenetics in assess the chromosome copy number in each cell line of a mosaic. PMID:25083188

Karimi, Hamideh; Sabbaghian, Marjan; Haratian, Kaveh; Vaziri Nasab, Hamed; Farrahi, Faramarz; Moradi, Shabnam Zari; Tavakolzadeh, Tayebeh; Beheshti, Zahra; Gourabi, Hamid; Meybodi, Anahita Mohseni



Modeling Nucleon Generalized Parton Distributions  

SciTech Connect

We discuss building models for nucleon generalized parton distributions (GPDs) H and E that are based on the formalism of double distributions (DDs). We found that the usual "DD+D-term" construction should be amended by an extra term, xiE^1_+ (x,xi) built from the alpha/Beta moment of the DD e(Beta,alpha) that generates GPD E(x,xi). Unlike the D-term, this function has support in the whole -1< x<1 region, and in general does not vanish at the border points |x|=xi.

Radyushkin, Anatoly V. [JLAB, Old Dominion U.



Identification of n = 4, Deltan = 0 Transitions in the Spectra of Nickel-like Cadmium Ions from a Capillary Discharge Plasma Column  

Microsoft Academic Search

Spectra of Nickel-like Cadmium (CdXXI) ions in the 12.7-18.4 nm wavelength region obtained with a high current capillary discharge have been analyzed. Fifty-three 3d94p-3d94d and 3d94d-3d94f CdXXI lines were identified with the assistance of calculations performed using the Slater-Condon method with generalized least-squares fits of the energy parameters. The average deviation between the measured and theoretical wavelengths is = 0.0065nm.

A. Rahman; E. C. Hammarsten; S. Sakadic; J. J. Rocca; J.-F. Wyart



Efecto de la dieta artificial MP sobre la emergencia y relacion de sexos de Phymastichus coffea (Hymenoptera:Eulophidae) mantenido sobre su hueped, Hypothenemus hampei (Coleoptera: Scloytidae)a traves de generaciones contin  

Technology Transfer Automated Retrieval System (TEKTRAN)

Phymastichus coffea La Salle (Hymenoptera: Eulophidae) is an endoparasitoid that attacks the adult coffee berry borer, Hypothenemus hampei Ferrari (Coleoptera: Scolytidae). The MP diet developed by Portilla and Streett is the only reported diet that allows cultures of P. coffea to develop and repr...


Informe Anual a la Nación sobre el Estado del Cáncer entre 1975-2003 con una sección especial sobre el estado del cáncer en la población hispana o latina de los Estados Unidos: preguntas y respuestas

La tendencia a largo plazo de las tasas de mortalidad por cáncer en general, que han ido bajando desde principios de los años noventa, se mantuvieron hasta 2003 para todas las razas y para ambos sexos combinados.


Memorias del Segundo Simposio Internacional Sobre Polticas, Planificacin y Economa de los Programas de Proteccin Contra Incendios Forestales: Una Visin Global Memorias del Segundo Simposio Internacional Sobre Polticas, Planificacin y Economa de los Progra  

E-print Network

(medida a través del tamaño promedio de los incendios) se ha mantenido constante, pero los presupuestos público por su parte, se ha visto enfrentado a difíciles momentos, donde la asignación de presupuestos se las unidades de combate terrestre, mediante un esquema de costos de acceso, donde un móvil se desplaza

Standiford, Richard B.


Esteróides anabolizantes: mecanismos de ação e efeitos sobre o sistema cardiovascular Anabolic steroids: action mechanisms and effects on the cardiovascular system Esteroides anabólicos: mecanismos de acción y efecto sobre el sistema cardiovascular  

Microsoft Academic Search

Anabolic androgenic steroids are ergogenic aids commonly used by athletes in search of better performances. However, the use of these substances by individuals who are not athletes with aesthetic aims is becoming an increasing problem in fitness and sport centers. This behavior has favored the indiscriminate and abusive use of these steroids, exposing their users to health risks. Anabolic steroids

Fernando Lima Rocha; Fernanda Roberta Roque; Edilamar Menezes de Oliveira


Informe Anual a la Nación sobre el Estado del Cáncer, 1975-2008, con información sobre los cánceres asociados al sobrepeso y a la falta de actividad física adecuada: Preguntas y respuestas

Los índices generales de mortalidad por cáncer han seguido disminuyendo desde principios de los noventa entre hombres, mujeres y niños. Los índices de mortalidad disminuyeron en promedio 1,6% por año entre 2004 y 2008.



Microsoft Academic Search

A poll based on the analyses of discipline reports was made up. These reports are given by teachers of two public high schools in Almeria. Starting from this material, a questionnaire including the following categories was elaborated: undisciplined, antisocial, bullying and disruptive behaviour. The objective of this study is to analyse the validity and reliability of such instrument for the

J. Peralta; M. D. Sánchez; M. V. Trianes



Hay una nueva ley1 en Tennessee sobre el uso de detencin y aislamiento en escuelas pblicas, la cual tomo  

E-print Network

hijo(a) tiene problemas con su conducta, el equipo de IEP debe de escribir un plan individualizado de apoyo a conducta (BIP), basado en una evaluación de conducta funcional (FBA). Restricción o reclusión el uso de Restricción y Reclusión en la Educación Especial y Apoyos Positivos de Conducta (http://www

Cui, Yan


¿Qué traen las personas al juego? Experimentos de campo sobre la cooperación en los recursos de uso común  

Microsoft Academic Search

El estudio de la acción colectiva requiere la comprensión de los incentivos individuales y de las restricciones institucionales que guían a las personas en la decisión de cooperar o no, en el grupo que enfrenta este dilema. El uso de ecosistemas locales por parte de grupos de individuos es sólo un ejemplo en el que la extracción individual incrementa el

Cárdenas Juan Camilo; Elinor Ostrom




Microsoft Academic Search

The application of fertilizers and pesticides results in high residual concentrations of heavy metals in soils, as well as in accumulation of toxic substances in crops and natural water. Arsenic may accumulate in soil through the use of pesticides and application of synthetic fertilizers. The mobility of As in soils depends on several factors including redox potential, soil mineralogy, pH

Valquiria Campos; Raphael Hypolito; Déborah Inês Teixeira Fávaro



Microsoft Academic Search

M.E.T.R. Tomé, M. de Lima Filho, V.H. Neumann - Stratigraphy analysis of the Albian-Turonian of the Pernambuco Basin: considerations about paleogeography and hydrocarbon generation. More and more, the exploration of the petroleum in Brazil is driven for deep sea areas, where the presence of thick Cretaceous limestone layers of potential interest for petroliferous reservoirs of this age, mainly for the

Maria Emília; Travassos Rios TOMÉ; Mário Ferreira de LIMA; Virgínio Henrique de Miranda; Lopes NEUMANN; A Formação Estiva


Los nuevos diálogos sobre paradigmas y la investigación cualitativa. Un compromiso en la relación universidad-sociedad  

Microsoft Academic Search

This work addresses a particular society-university link: the complex methodology\\/social problems\\/public policy and a social justice change possibility. In this link, re- sults derived from academic debate around qualitative and quantitative methodologies impacts public policy and local, regional, national and planetary resources distribution. It is proposed here that dialogue and colla- boration is needed between paradigms and academic communities, and

Norman K. Denzin


Efecto de la meniscectomía acromioclavicular sobre el dolor residual en la luxación acromioclavicular grado III o mayor  

Microsoft Academic Search

In order to compare the prevalence of post-surgical pain in patients who undergone a meniscal extraction during coracoclavicular repair with those who didn't have it after a grade III or worse acromio-clavicular joint dislocation, we did make a transverse cohort study on 25 patients between January 2005 and April 2007 at Clínica Universitaria El Bosque. Fifteen patients were menisectomized and

Juan David Castillo Mejía; Juan Manuel Herrera Arbeláez; Oscar Eduardo Reyes; Juan Carlos López; Carlos Leal Contreras; Residente de Ortopedia; Juan Manuel Herrera; Postgrado de Ortopedia




Microsoft Academic Search

Aquaculture of penaeid crustaceans is an economically important activity, limited by endemic and epidemic infectious diseases in different parts of the world. Due this, research about defense mechanisms in shrimp has become a priority with the aim of the understanding of immune stimulation process that increases the resistance to pathogens. In this work the toxicity of the endotoxic lipopolysacharide, coming

J. Marrero; G. Espinosa; M. E. Alonso; Y. Borrell; T. Rodríguez; M. Beatriz



Microsoft Academic Search

SUMMARY Are presented results of the hydrological consequences and soil erosion derivatives from the alternations cultivate-abandonment, obtained in erosion plots of the experi- mental field from The Ardal (Murcia, South-East of Spain). The first results, seem to indicate that in this area, with its special environmental characteristic, the abandonment of cultivation fields, permits an increase in vegetable coverage, grassy annual

Belmonte Serrato; Romero Díaz; López Bermúdez



Microsoft Academic Search

Effect of applications of organic residues on maize performance in two soils of Yaracuy State, Venezuela The intense land cultivation for maize cropping on the last 50 years in Yaracuy State, Venezuela, caused an accelerated soil degradation expressed by loss of soil organic matter and crop productivity. With the objective of improving those parameters, the use of organic residues were

Isabel Arrieche; Orlando Mora



Producción masiva automatizada de la broca del café Hypothenemus hampei Ferrari (Coleóptera: Scolytidae) y de sus parasitoides sobre dietas artificiales  

Technology Transfer Automated Retrieval System (TEKTRAN)

This article reviews the current state of knowledge concerning the mass rearing system of the coffee berry borer, cbb, Hypothenemus hampei (Ferrari) (Coleoptera: Scolytidae), and its African parasitoids: the ectoparasitoids Cephalonomia stephanoderis (Betrem) and Prorops nasuta ((Waterston) (Hymenop...


Teorí­as de primer y segundo orden sobre el potencial de ciertas figuras de equilibrio de cuerpos celestes  

NASA Astrophysics Data System (ADS)

Uno de los problemas que aborda la Mecánica Celeste es la determinación de las figuras de equilibrio de los cuerpos celestes. Para investigar su solución mediante métodos directos, se precisa evaluar el potencial generado por su autogravitación, el generado por su fuerza centrí­fuga y el generado por la fuerza de atracción entre los cuerpos. Los métodos clásicos de Finlay y Kopal que afrontan estos problemas, para determinar el potencial autogravitatorio en las configuraciones de equilibrio, emplean desarrollos en serie de los potenciales interior y exterior del potencial autogravitatorio. Estos métodos incurren en el error de suponer la convergencia en capas donde resulta cuestionable dicha convergencia para estos desarrollos en serie. En este trabajo se han elaborado unos algoritmos que contemplan toda la casuí&stica y que permiten una manipulación efic iente del producto de polinomios de Legendre, del producto de funciones asociada s de Legendre y del producto de armónicos esféricos como combinacióon lineal de ellos mismos, respectivamente. Se han obtenido, para primer y segundo orden en las amplitudes, los desarrollos correctos para los potencial es interior y exterior del potencial autogravitatorio para configuraciones de equilibrio aisladas, y , en primer orden de amplitudes, los mismos potenciales para los sistemas binarios próximos. Se ha elaborado un método analítico, en primer orden respecto de las amplitudes, para la determinación del potencial de marea en sistemas binarios próximos en el cual se manifiesta la forma de la componente secundaria del sistema

Gumbau, Manuel Forner



La actividad ß-galactosidasa como índice de control de calidad de la muestra de sangre seca recogida sobre papel  

Microsoft Academic Search

The lysosomal storage diseases are inborn errors of the metabolism originated by the hereditary deficiency of lysosomal hydrolases, which cause a progressive accumulation of complex molecules that cannot be degraded. Besides the molecular diagnosis, the definitive diagnosis of these pathologies consists of the determination of specific enzymatic activities in leukocytes, fibroblasts or other types of cells. These methods are complex

Luis Manuel Jiménez Jiménez; Joaquín Bobillo Lobato; Alejandro Caro Pérez; Pilar Durán Parejo




Microsoft Academic Search

The present work has the aim of presenting, on model, the location of the Units of Conservation (UC) of the State of Rio de Janeiro. It is also a study to observe the legislation regarding creation of the respective Units, consider- ing the importance of the areas around those Units of Conservation, being this surroundings entirely linked to the mapped

Camila Fernanda; Nunes Borges; Marcelus Cezar; Fernandes Silva; Cláudio Augusto; Barreto Saunders


Conocimientos, actitudes y creencias de los profesionales de atención primaria sobre la vacuna y la vacunación antigripal  

Microsoft Academic Search

Background and aimAlthough influenza vaccination is recommended in primary care (PC) professionals, coverage is low. The aim of this study was to determine the reasons for non-vaccination among PC professionals, identify their level of knowledge about the vaccine and vaccination, and to provide material for use in clinical meetings directed at promoting influenza vaccination among this group.

A. Peña; M. Martínez; L. Urbiztondo



Creencias y conocimientos de un grupo de médicos sobre el manejo de la alimentación del niño con diarrea aguda  

Microsoft Academic Search

Objective. To identify the beliefs and knowledge of a group of rural physicians on the dietary management of children under five years of age, with acute diarrhea. Physicians' die- tary management was compared with that recommended by the World Health Organization. Material and Methods. A cognitive anthropology study was carried out from July

Martha Corral-Terrazas; Homero Martínez; Samuel Flores-Huerta; Ma Ximena Duque-L; Bernardo Turnbull; Margarita Levario-Carrillo



Notas sobre la biología y dieta del toyo vieja (Mustelus lunulatus) en la zona central de pesca del Pacífico colombiano  

Microsoft Academic Search

Specimens of Mustelus lunulatus captured in the trawling fishery of a shrimp vessel in the central zone in the Pacific Ocean off Colombia were analyzed. The size, weight, growth pattern, sexual proportion, stages of maturity and diet were determined. The captured specimens were between 50 and 125 cm, the sexual proportion was 1:1, and the isometric-type length-weight relationship was described

Andrés F Navia; Alan Giraldo; Paola A Mejía-Falla




E-print Network

agentes especializados en algunos pasos (preprocesamiento, miner´ia de datos y evaluaci´on de pa- trones construyen sus respectivos modelos de miner´ia de datos, que env´ian al Coordinador para que ´este seleccione y reporte al ganador. Las tareas de miner´ia de datos que el MAS tiene encomendadas son la

Guerra Hernández, Alejandro


Liv and Lucky in Liverland. . . Color Us Healthy! A Workbook about Your Liver = Un Cuaderno de trabajo sobre tu higado.  

ERIC Educational Resources Information Center

This workbook/coloring book, on the liver and good health is designed for primary school students. The 21 line drawings illustrate different aspects of liver function, maintaining a healthy liver, and preventing liver disease. Each page is captioned in both English and Spanish. (ND)