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1

Significado de los cambios en los senos: Guía para la salud de la mujer  

Cancer.gov

E-book que describe los cambios o padecimientos específicos de los senos e incluye información sobre cómo se detectan, diagnostican y tratan estos cambios. Aquí se explica que si bien la mayoría de los cambios en los senos no son cancerosos, estos deben ser examinados por un médico. También se ofrece información sobre los pasos a seguir después de un resultado anormal de una mamografía y se incluye una lista de preguntas para el doctor.

2

Significado de los cambios en los senos: Guía para la salud de la mujer  

Cancer.gov

Información sobre cambios o padecimientos específicos de los senos y cómo se detectan, diagnostican y tratan estos cambios. Aquí se explica que si bien la mayoría de los cambios en los senos no son cancerosos, estos deben ser examinados por un médico. También se ofrece información sobre los pasos a seguir después de un resultado anormal de una mamografía y se incluye una lista de preguntas para el doctor.

3

La política brasileña para los residuos sólidos urbanos. Los planteamientos de catadores y empresarios en sus páginas electrónicas  

Microsoft Academic Search

El gobierno brasileño señala la posibilidad de aprobar la política nacional para los residuos sólidos urbanos (PNRS). La propuesta del Proyecto de Ley 1991\\/07 está en trámite en la cámara de los diputados desde el año 1991. Los senadores mantuvieron una charla con los catadores, empresarios del reciclaje y empresarios de servicios de gestión de residuos sólidos urbanos para conocer

Fábio Fonseca Figueiredo

2008-01-01

4

III. Presentación de Proceso para todos los Métodos de ...  

Center for Food Safety and Applied Nutrition (CFSAN)

... No use las palabras “still” (estacionario), “agitating” (agitación), “hydorstatic” (hidrostático), "flame" (llama) en el nombre del esterilizador.Para ... More results from www.fda.gov/food/guidanceregulation/foodfacilityregistration

5

SISTEMA DE ACTIVIDADES PARA FORTALECER LA PREPARACIÓN DE LOS PROFESIONALES EN EL LABORATORIO CLÍNICO ROSA ELENA SIMEÓN DE LA SIERPE  

Microsoft Academic Search

Los laboratorios de análisis clínicos constituyen un área en la cual coinciden muchos agentes potencialmente agresivos, tanto para la salud del personal y de las personas que acuden a recibir los servicios que se prestan, así como para las propias instalaciones. Debido a ello, todos los procedimientos analíticos conllevan a un riesgo, que aumenta con la introducción de nuevas tecnologías,

José Sánchez Díaz; Caridad Milanés Reyes; Osvel García Riverón

2011-01-01

6

CALIDAD DE LOS ANÁLISIS DE RIESGO E INSEGURIDAD DE LOS TRANSGÉNICOS PARA LA SALUD AMBIENTAL Y HUMANA  

Microsoft Academic Search

RESUMEN Las plantas transgénicas, en general, cargan genes de resistencia a antibióticos y secuencias que favorecen la transferencia de genes y la inestabilidad. Además es imprevisible el sitio de inserción del transgene, los efectos colaterales y los efectos a los organismos no blancos o en la cadena alimentaria. Tampoco es posible controlar la expresión de los transgenes insertados o la

Rubens Onofre Nodari

2009-01-01

7

MOVIMIENTOS SOCIALES PARA EL RECONOCIMIENTO DE LOS MOVIMIENTOS Y LA ECOLOGÍA POLÍTICA INDÍGENAS  

Microsoft Academic Search

Los movimientos sociales cortan a través de las clases sociales, lo étnico, niveles de educación, rural-urbana, etc., y a través de todos los niveles locales, regionales, estatales nacionales, internacionales y globales formando conexiones entre el medio ambiente y el desarrollo, la salud, los derechos civiles, derechos indígenas, etc. (KECK and SIKKINK 1992; BRECHER and COSTELLO 1994; CARRUTHERS 1995). Los movimientos

José G. Vargas-Hernández

8

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

Microsoft Academic Search

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

José Sánchez; Campillo Dolores; Moreno Herrero

9

Desarrollos recientes en los instrumentos para integrar la RSE a las operatorias de las empresas  

Microsoft Academic Search

El tema de la responsabilidad social empresaria (RSE) ha ido adquiriendo en los últimos años una impensada difusión en el mundo corporativo que, de alguna manera parecería estar vinculado con una generalizada aceptación de una concepción de una responsabilidad corporativa ampliada hacia los llamados stakeholders. A fin de poder evaluar los reales alcances que hoy tiene la RSE en el

Luisa Montuschi

2010-01-01

10

Exámenes selectivos de detección para cáncer colorrectal: para los hispanos, se trata de prevención, no solo de detección  

Cancer.gov

Todos los exámenes de detección de cáncer que se usan extensamente tienen el objetivo de detectar el cáncer a tiempo, cuando el tratamiento puede tener más éxito. Pero varias pruebas de detección pueden también ayudar a encontrar células anormales que no se han convertido todavía en cancerosas, lo que permite que se extirpen antes de que causen problemas. Las pruebas de detección de cáncer colorrectal, es decir, en el colon y recto, pueden ayudar a detectar formaciones precancerosas que se llaman pólipos.

11

Los Estados Unidos y la República de Chile se unen para combatir el cáncer  

Cancer.gov

Una nueva alianza entre el Instituto Nacional del Cáncer de los Estados Unidos y el Ministerio de Salud de la República de Chile, tiene el propósito de acelerar el avance contra el cáncer en la población hispana en los Estados Unidos y en América Latina.

12

Los ladrillos del recinto amurallado de Talamanca de Jarama, Madrid: criterios para su diferenciación  

Microsoft Academic Search

El recinto amurallado de Talamanca de Jarama tiene una larga historia llena de conflictos bélicos que lo han destruido en numerosas ocasiones. Por este motivo, la muralla ha sufrido numerosas etapas de reconstrucción y ampliación (s.IX, s.XIII, s.XIV y s.XVII), a las que hay que añadirle numerosas intervenciones de restauración en el último siglo (s.XX). Los ladrillos junto con los

R. FoRT; M. J. VaRas; E. PéREz-MonsERRa; J. LuquE; M. ÁLV; C. VÁzquEz-CaLV o

13

La preparacion en ciencia de los candidatos a maestros del nivel elemental primario segun la reforma de la educacion cientifica en Puerto Rico: Una propuesta de secuencia curricular  

NASA Astrophysics Data System (ADS)

El proposito de esta investigacion fue identificar los componentes de la preparacion en ciencia que deben recibir los estudiantes del Bachillerato en Artes en Educacion Elemental, Nivel Primario, de acuerdo a los documentos que dirigen la reforma de la educacion cientifica en Puerto Rico. Tambien, se identificaron los componentes de los cursos que forman parte de la preparacion en ciencia de estos estudiantes. Se compararon los componentes de la preparacion en ciencia y los componentes de los cursos para determinar congruencias y discrepancias. Con los datos recopilados se identificaron los componentes de los cursos de una secuencia curricular para la preparacion en ciencia de los candidatos a maestros del nivel elemental primario. La secuencia curricular que se propone en esta investigacion incluye cursos de contenido cientifico y de metodologia en la ensenanza de la ciencia disenados para satisfacer las necesidades de los candidatos. Se recomienda que en los procesos para el diseno, la implantacion y la evaluacion de estos cursos participen profesores de ciencia, profesores de educacion y maestros del nivel elemental primario. Todos los cursos de la secuencia curricular deben tener un enfoque constructivista. Las experiencias educativas que se incluyan en los cursos deben aspirar a desarrollar en los candidatos los atributos de la cultura cientifica y actitudes positivas hacia la ciencia y hacia la ensenanza de esta disciplina. El modelaje por parte de los profesores que ensenen los cursos de la secuencia curricular es fundamental en el desarrollo profesional de los candidatos. Se recomienda que en los cursos de contenido cientifico se estudien los conceptos y los conocimientos cientificos que forman parte del curriculo de Kindergarten a tercer grado de forma integrada y con una profundidad universitaria. Estos cursos deben tener un enfoque interdisciplinario e incluir el estudio de la naturaleza de la ciencia y un componente de laboratorio para desarrollar los procesos de la ciencia y las destrezas de la investigacion cientifica. En los cursos de metodologia en la ensenanza de la ciencia se deben estudiar los modelos, los metodos, las estrategias y las tecnicas mas efectivas para la ensenanza y el aprendizaje de la ciencia, asi como las tecnicas de avaluacion.

Rodriguez Plaza, Evelyn

14

La jerarquía de efectos clísica de alta involucraciín para la comprensión de la conducta de reciclaje considerando los valores de los consumidores  

Microsoft Academic Search

Resumen  El presente trabajo tiene por objeto estimar y seleccionar el modelo con jerarquía de efectos clásica que mejor represente\\u000a el comportamiento de reciclado del consumidor y, posteriormente, profundizar en las particularidades que este modelo muestra\\u000a en función de tres valores: el colectivismo, el materialismo y el logro. Los resultados del trabajo empírico ponen de manifiesto\\u000a la validez de este modelo

Gonzalo DíaznMeneses; Asunción Beerli Palacio

2004-01-01

15

TRATAMIENTO FISCAL DE LOS FACTORES DE RIESGO PARA LA SALUD Y DEL GASTO SANITARIO: REVISIÓN Y PROPUESTAS DE REFORMA  

Microsoft Academic Search

El presente trabajo revisa algunos de los aspectos más destacables de la fiscalidad sobre el consumo de bienes nocivos como instrumento de intervención vinculada a las políticas de salud y a la corrección del fallo de mercado. El objetivo no es otro que el de repasar el estado de conocimiento al respecto, destacando las variables que delimitan el marco de

Guillém López Casasnovas; Esther Martínez García

2001-01-01

16

Para Agricultores  

Center for Food Safety and Applied Nutrition (CFSAN)

Text Version... P. ¿Qué pasaría si las granjas se las ven diciles para cumplir con los requerimientos finales? ¿Se puede per- mir empo extra? ... More results from www.fda.gov/downloads/food/guidanceregulation

17

Revision curricular a partir de un analisis comparativo de las discrepancias en los curriculos de una escuela de optometria en Puerto Rico con las competencias requeridas para las agencias de revalida y acreditacion 2004  

NASA Astrophysics Data System (ADS)

El proposito de esta investigacion, un estudio cualitativo de caso, fue comparar y contrastar el curriculo vigente de la Escuela de Optometria de la UIAPR con las competencias y estandares requeridos por las agencias de acreditacion y de revalida. Con este proposito, decidimos realizar una revision y un analisis de documentos: el prontuario de cada uno de los cursos de los curriculos implantados en el 1993 y en el 2001; las competencias y estandares establecidos por las agencias de revalida y de acreditacion; y las estadisticas en las que se analiza el porcentaje de estudiantes que aprueban cada una de las partes de los examenes de revalida entre el 1998 al 2003. Se realizaron entrevistas dirigidas para dar apoyo y complementar la revision y el analisis de estos documentos. Los participantes de las entrevistas fueron tres estudiantes de la clase de optometria del 2004 (ultima clase del curriculo del 1993); tres estudiantes de la clase de optometria del 2005 (primera clase graduanda del curriculo vigente) y tres profesores y/o directores de los Departamentos de Ciencias Basicas, Ciencias Clinicas y Cuidado al Paciente. Esta investigacion se enmarco en el modelo de evaluacion curricular de discrepancia de Malcolm Provus y en el modelo de desarrollo basado en competencias. Uno de los hallazgos mas importantes del estudio es que los cambios que se implantaron al curriculo del 2001 no han logrado que los estudiantes mejoren su ejecucion en los examenes de revalida. Por otro lado, se encontro que el curriculo vigente atiende completamente los estandares de la practica de Optometria, pero no las competencias. Esta informacion fue validada mediante el uso de una tabla de cotejo para el analisis de los cursos y de la informacion obtenida de las entrevistas. El estudio determina y concluye que existen discrepancias entre los prontuarios de los cursos del curriculo y las competencias requeridas por la agencia de revalida. Segundo, que el Departamento de Ciencias Basicas es el que presenta mas deficiencias en el desarrollo de las competencias. El investigador recomienda disenar e implantar un curriculo basado en competencias y proveer formacion en didactica y procesos de aprendizaje a los profesores.

Rivera Pacheco, Andres

18

Hechos Sobre Los Medicamentos Genericos  

Center for Drug Evaluation (CDER)

Text VersionPage 1. Nombre de su medicina ¿Cuantos debo cojer? ¿Cuando los cojo? ¿Para que los uso? xxx (Ejemplo) 1 tableta 400mg La mañana Artritis ... More results from www.fda.gov/downloads/drugs/emergencypreparedness

19

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

Microsoft Academic Search

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

Silvio E. Viteri; Marcela Granados; Ana Rosa González

2008-01-01

20

Los Ref ige ios!  

Center for Food Safety and Applied Nutrition (CFSAN)

Text Version... Las Guías Alimentarias para las Personas que Viven en los Estados Unidos recomiendan que escoja leche baja en grasa o sin grasa, yogur o ... More results from www.fda.gov/downloads/food/ingredientspackaginglabeling

21

PROPUESTAS DE ACTIVIDADES RECREATIVAS FÍSICAS PARA ELEVAR EL NIVEL DE PARTICIPACIÓN DE LOS JÓVENES DEL CDR # 4 RENÉ ALMANZA DEL MUNICIPIO AMANCIO  

Microsoft Academic Search

El presente trabajo investigativo realizado en la comunidad René Almanza Soto, del consejo popular 01 en Amancio, constituyó una gran experiencia ya que el objeto de la recreación física son indudablemente los gustos y preferencias recreativas de la población, a través de este método logramos incorporar gran parte de los habitantes a la realización de las actividades físicas recreativas que

Rosalba Mensoney Liben; Gerardo Sutherland Lemes

2010-01-01

22

Intensidad innovadora, permanencia exportadora, y destino de las exportaciones:análisis para una muestra de empresas de Cali  

Microsoft Academic Search

En este estudio se analiza la relación entre la exposición a los mercados internacionales (medida por medio de las exportaciones a los países desarrollados) y la innovación (en procesos, productos, diseño, empaque, organización y nuevas tecnologías). Básicamente, se busca estudiar la hipótesis de que las empresas realizan un mayor esfuerzo innovador en la medida en que enfrentan la competencia en

Alexander Correa Ospina

2005-01-01

23

Modelización participativa para la evaluación integrada de la sostenibilidad de los recursos hídricos: el Modelo del Mundo Celular y el Proyecto Matisse  

Microsoft Academic Search

El presente trabajo describe el proceso participativo vinculado al desarrollo y la implementación del prototipo de un modelo que tiene como principal objetivo servir de soporte durante el procesos de Evaluación Integrada de la Sostenibilidad (EIS) de diferentes opciones políticas de gestión de los recursos hídricos a diferentes niveles de acción. El modelo – llamado el Modelo\\u000adel Mundo Celular

J. David Tàbara; Bodil Elmqvist; Ilhan Akgun; Cristina Madrid; Lennart Olson; Michel Schilperoord; Pieter Valkering; Patrick Wallman; Paul Weaver

1970-01-01

24

Estados que requieren cobertura de los costos de estudios clínicos  

Cancer.gov

Una lista de búsqueda y el mapa de los estados de EE.UU. requieren que los planes de salud para pagar los costos de la atención del paciente asociados con ensayos clínicos. Las principales disposiciones se resumen.

25

LA POLÍTICA DE GESTIÓN DE RESIDUOS: LOS ACEITES USADOS  

Microsoft Academic Search

Los aceites usados son un residuo peligroso cuya gestión inadecuada puede provocar graves daños al medio ambiente. Además, tienen un in- dudable valor económico debido a que conservan gran parte de los hi- drocarburos que los aceites lubricantes contenían originalmente. La reco- gida de los aceites usados constituye la condición necesaria para conseguir una gestión adecuada de los mismos. La

ASUNCIÓN ARNER; RAMÓN BARBERÁN; JESÚS MUR

2006-01-01

26

[Parenting Information: Teenagers. Informacion Para los Padres: Sobre los Jovenes.  

ERIC Educational Resources Information Center

These four booklets are devoted specifically to the concerns of parents and their teenage children and are part of a series of 22 booklets designed specifically to help parents understand their children and help them to learn. "Parents--Learn about Your Teenager" (booklet #6) explains the changes which occur during the teen years and the reasons…

Moreno, Steve

27

Los medios de comunicación para la \\  

Microsoft Academic Search

The arrival of Latin American immigrants has sparked important changes in Spain's cultural industries, including the mass media. This po- pulation represents a percentage of the potential audience the media must take into account. It is viewed uniformly as a Latin nation. Yet, in reali- ty, its countries of origin signal clear distinctions between the diff erent groups. The emergence

Fernando Sabés-Turmo

2009-01-01

28

LOS CAMBIOS EN EL CONSUMO ALIMENTARIO: REPERCUSIÓN EN LOS PRODUCTOS MEDITERRÁNEOS  

Microsoft Academic Search

Introducción El consumo de productos alimentarios en España se ha modificado notablemente en las últimas décadas. Con datos de la Organización de las Naciones Unidas para la Agricultura y la Alimentación (FAO), los niveles de consumo de energía en España son similares al promedio de los países desarrollados (3.470 calorías), pero los niveles de consumo de proteína y de grasa

José María García Álvarez-Coque; Teresa López-García Usach

29

¿Y PARA QUÉ ME VALE A MÍ LA HISTORIA?  

Microsoft Academic Search

La historia se sitúa como un instrumento idóneo para el desarrollo, no ya sólo de los conocidos como países poco desarrollados, sino también para los denominados desarrollados. Aparece como una herramienta de integración de conocimientos y que arma al ciudadano con destrezas propias y necesarias para su desarrollo personal, pero también para el desarrollo colectivo de la sociedad. Podemos usarla

Antonio Manuel Luna González

2009-01-01

30

Manipulación segura de los alimentos: Lo que usted debe ...  

Center for Food Safety and Applied Nutrition (CFSAN)

... Para evitar la contaminación cruzada, recuerde lo siguiente: ... El aire frío debe circular para ayudar a mantener los alimentos seguros. ... More results from www.fda.gov/food/foodborneillnesscontaminants/buystoreservesafefood

31

Derechos de propiedad intelectual y los OGM  

Microsoft Academic Search

Tradicionalmente los agricultores han accedido a las semillas que usan en sus campos (ya sea porque la compran, la intercambian o la heredan de sus ante- pasados), y las guardan para sus siguientes cose- chas. Por eso es que ha sido difÌcil para las empresas transformarla en una mercancÌa, pues a diferencia de otras productos, la semilla es un ser

Por Elizabeth Bravo

32

Una técnica para filtrar patrones de fringing  

NASA Astrophysics Data System (ADS)

Se presenta una nueva técnica para filtrar los patrones de fringing producidos en los CCDs tipo RCA. El método consiste en construir un mapa con los ángulos de inclinación de las franjas en cada punto de la imagen. Este mapa es ulteriormente utilizado para alinear con el patrón de interferencia una ventana estrecha, sobre la que se aplica un filtro de mediana. Este procedimiento permite eliminar la mayor parte del ruido del patrón de fringing sin destruirlo.

Ostrov, P. G.

33

Preguntas para el doctor si tiene un cáncer avanzado  

Cancer.gov

Serie de preguntas que los pacientes con cáncer pueden hacerle al médico sobre las opciones de tratamiento si el cáncer es avanzado, las formas de controlar los síntomas y cómo prepararse para la etapa final de la vida.

34

Herramientas de simulación de código abierto para l a mejora del aprendizaje en Ingeniería Eléctrica  

Microsoft Academic Search

Este artículo describe una iniciativa para el uso d e herramientas de simulación como un procedimiento para mejorar el aprendizaje en los es tudios de ingeniería, concretamente en la asignatura de máquinas eléctricas. Estos métodos pe rmiten que los estudiantes mejoren la comprensión de los fenómenos físicos subyacentes y sus habilidades para resolver problemas con unos

A. Domínguez; M. Yusta

35

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

Microsoft Academic Search

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

RODRIGO VARELA; ANA CAROLINA MARTÍNEZ; ALBA TATIANA PEÑA G

2011-01-01

36

Orientación preliminar para la industria: Preguntas y ...  

Center for Food Safety and Applied Nutrition (CFSAN)

Text Version... de: Oficina de Seguridad de los Alimentos, Comunicación y Respuesta ante una Emergencia, HFS-005 Centro para la Seguridad Alimentaria y la ... More results from www.fda.gov/downloads/food/guidanceregulation

37

Seguridad alimentaria para futuras mamás: Puntos ...  

Center for Food Safety and Applied Nutrition (CFSAN)

... En épocas de calor, coloque los comestibles en el compartimiento para pasajeros con aire acondicionado de su auto en lugar de hacerlo en la ... More results from www.fda.gov/food/foodborneillnesscontaminants/peopleatrisk

38

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

Microsoft Academic Search

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

Mirta Núñez Díaz-Balart

2005-01-01

39

LOS MANTEROS DE LA CALLE FLORIDA: TEORÍA DE LA CAPITALIZACIÓN DEL VÍNCULO  

Microsoft Academic Search

El presente trabajo de revisión cuestiona de raíz la tesis de los no lugares y toma como objeto de estudio el conflicto acaecido en los últimos meses entre los manteros de la calle Florida y el Estado circunscripto a la ciudad de Buenos Aires. Para los primeros, existía un derecho a instalarse en un espacio público por motivos laborales mientras

Maximiliano Korstanje

2012-01-01

40

4 Gestión de las prácticas de seguridad de los alimentos: El ...  

Center for Food Safety and Applied Nutrition (CFSAN)

Text Version... como control para los virus no sea efectiva debido a que muchos virus transmitidos por los alimentos parecen tener resistencia al calor que excede ... More results from www.fda.gov/downloads/food/guidanceregulation

41

Proyecto para prestación de servicios \\  

Microsoft Academic Search

Esta presentación fue expuesta durante el Tercer Encuentro Técnico de Capacitación en Materia de Estructuración de Proyectos de Asociación Público-Privada, llevado a cabo en Mérida, Yucatán, México, el 20, 21 y 22 de enero de 2010. El Plan de Desarrollo del Estado de México 2005-2011 establece que se debe generar un acceso de calidad a los servicios de salud, para

Miguel Donovan

2010-01-01

42

Investigación translacional para generar datos a favor de la introducción racional y eficiente de vacunas nuevas en países en vías de desarrollo: La experiencia del Instituto Internacional de Vacunas  

Microsoft Academic Search

ExtractoEn los últimos años, la introducción de vacunas nuevas en países opulentos ha tenido lugar a un ritmo asombroso. En comparación, se han introducido pocas vacunas de nueva generación en los programas de salud pública para los pobres de los países en vías de desarrollo, y para aquéllos que sí los tienen, la introducción ha sido penosamente lenta. Los recursos

John Clemens

2008-01-01

43

La malnutrición en los países desarrollados  

Microsoft Academic Search

ResumenEn las sociedades desarrolladas se ha constatado repetidamente que la desnutrición es común en pacientes hospitalizados. A pesar de contribuir a desenlaces adversos, puede pasar inadvertida a menos que se emprenda sistemáticamente una evaluación formal. El equipo de apoyo nutricional desempeña papeles importantes en la formación del personal con respecto a la importancia de la nutrición para todos los pacientes

John W. L. Puntis

2009-01-01

44

Los Ácidos Grasos Trans Ahora Serán Listados Junto con las ...  

Center for Food Safety and Applied Nutrition (CFSAN)

... Qué es un Ácido Graso Trans? ¿Dónde se encuentran los ácidos grasos trans? ... Seleccione un producto para una respuesta! ... More results from www.fda.gov/food/ingredientspackaginglabeling/labelingnutrition

45

Los peligros de la leche cruda: La Leche sin Pasteurizar ...  

Center for Food Safety and Applied Nutrition (CFSAN)

... Los peligros de la leche cruda: La Leche sin Pasteurizar Puede Representar un Riesgo Grave Para la Salud. From the ... More results from www.fda.gov/food/foodborneillnesscontaminants/buystoreservesafefood

46

2011 Comunicaciones de la FDA sobre la seguridad de los ...  

Center for Drug Evaluation (CDER)

... Bifosfonatos - Continúa la revisión de seguridad de los medicamentos por vía oral para la osteoporosis (bifosfonatos) en relación con un probable ... More results from www.fda.gov/drugs/drugsafety

47

Narcotráfico, violencia y desigualdad: una hipótesis para el caso colombiano  

Microsoft Academic Search

El propósito del ensayo es analizar los factores que explican la violencia en Colombia; para ello, el autor, retoma elementos fundamentalmente en el neoinstitucionalismo, en el narcotráfico y en la desigualdad. González, después de explorara los tres elementos antes enunciados, plantea la hipótesis de que la desigualdad es, a su juicio, el factor que más se aproxima para interpretar la

Jorge Iván González

2001-01-01

48

Alergias a los alimentos  

Center for Food Safety and Applied Nutrition (CFSAN)

Text VersionPage 1. August 2010 1 Alergias a los alimentos Lo que usted debe saber ... Alergias a los alimentos: ¿Qué se debe hacer si aparecen síntomas? ... More results from www.fda.gov/downloads/food/resourcesforyou

49

Concepções de profissionais de educação e saúde sobre Educação Inclusiva: reflexões para uma prática transformadora Conceptions of education and health professionals on Inclusive Education: reflections for transforming practices Concepciones de los profesionales de la educación y de salud acerca de la Educación Inclusiva: reflexiones para prácticas transformadoras  

Microsoft Academic Search

RESumo: A Inclusão de pessoas com deficiências tem sido tema de discussões e estudos, particularmente no campo da Educação, frente à realidade legal que garante a essa parcela da população o direito de freqüentar escolas regulares, independente de suas peculiaridades. Para a melhor compreensão desse campo, delineia-se essa pesquisa, que teve por objetivo apreender concepções de educação inclusiva de profissionais

Celina Camargo Bartalotti; Renata Zaghetto de Almeida; Cristiane Yonezaki; Mariana Custódio Manoel; Vanessa do Nascimento; Mariana Guedes de Carvalho; Marina Bradaschia Correa; Ana Paulo; F. O. Alvarez

50

NCI ofrece apoyo a quienes están necesitados después de los huracanes Katrina y Rita  

Cancer.gov

El Instituto Nacional del Cáncer (NCI), parte de los Institutos Nacionales de la Salud (NIH), está empeñado en ayudar a las miles de personas que han sido asoladas por los efectos de los huracánes Katrina y Rita. NCI está tratando de llegar a los públicos diversos para proporcionarles información relacionada con el cáncer que pueda ser compartida con exactitud y efectividad con quienes han sido afectados por los huracánes.

51

LOS SOPORTES FÍLMICOS, MAGNÉTICOS Y ÓPTICOS DESDE LA PERSPECTIVA DE LA CONSERVACIÓN DE MATERIALES  

Microsoft Academic Search

Resumen: Las condiciones de conservación de materiales de naturaleza cinemato- gráfica, magnética y óptica, centran la presente investigación. En primer lugar, se analiza el caso de los soportes fílmicos. A tal efecto, tras revisar los hitos princi- pales de su evolución, se expone su composición y se consideran las patologías que sufren, para señalar después las condiciones ambientales para su

Antonio Bereijo Martínez; Juan José Fuentes Romero

2001-01-01

52

Manejo de los recursos costeros y marinos en América Latina y el Caribe  

Microsoft Academic Search

El presente documento (ENV-128) expone una estrategia de manejo de los recursos costeros y marinos para el Banco Interamericano de Desarrollo. El manejo costero integrado se presenta como una actividad amplia y polivalente encaminada por un lado a mejorar la calidad de vida de las comunidades que dependen de los recursos costeros y, por otro, a ayudar a los estados

Michele H. Lemay

1998-01-01

53

Taxonomía de asteroides y cometas basada en los espectros de Lyapunov  

NASA Astrophysics Data System (ADS)

Estudiaremos dos familias de objetos que sufren encuentros cercanos con planetas, a saber: la familia de cometas de Júpiter (JF) y los asteroides cercanos a la Tierra (NEAs). El movimiento de estos objetos es caótico en una escala de tiempo corta. Más aún, debido a los cambios erráticos en los elementos orbitales, la comparación de los valores actuales da poca información acerca de la posible vinculación dinámica entre los objetos de una misma familia. Calculamos una estimación finita de los Exponentes Característicos de Lyapunov (LCE), los llamamos Indicadores Característicos de Lyapunov (LCI) para ambas familias y analizamos las características del espacio de fase donde tiene lugar el movimiento de estos objetos. Integrando en un período suficientemente largo (e.g. 20000 años), encontramos que el LCI alcanza un valor cuasi-constante. La mayoría de los miembros de ambas familias muestran una concentración de los tiempos de Lyapunov (inverso del LCI) de alrededor de 50-100 años (Tancredi, 1995, Astron & Astrop., 299, 288). La concentración de los tiempos de Lyapunov es mayor para la familia de Júpiter que para los NEAs. Entre estos últimos, la menor dispersión se da para aquellos que cruzan la órbita de la Tierra. Se demostró que el espectro de los `indicadores locales' (Froeschlé et. al., 1990, Cel. Mec. 56, 307) o ``números de estiramiento'' (Voglis and Contopoulos, 1994, J. Phys. A 26, 4899) (relacionados con el LCI) son invariantes y nos dan una información más completa sobre el comportamiento caótico. Mediante la comparación de espectros discutimos la similitud entre los objetos de una misma familia y analizamos las diferentes posibles rutas al caos. Los espectros se clasifican mediante la comparación de los momentos de las distribuciones de los `números de estiramiento'. Aplicamos un método de agrupamiento jerárquico (Zappala et. al., 1990, Astron. J. 100, 2030) para identificar ``familias'' de espectros (grupos de espectros similares). Mediante esta clasificación se discutirá la hipótesis del origen de la familia de Júpiter a través del splitting de un cometa gigante.

Tancredi, G.; Motta, V.; Froeschlé, C.

54

Lineamientos de Inocuidad de los Alimentos Específicos para ...  

Center for Food Safety and Applied Nutrition (CFSAN)

Text Version... CFSAN) de la Administración de Alimentos y Medicamentos (FDA) Mitch Smith, de McDonalds Mike Spinazzola, de Subway Kathleen Staley, del ... More results from www.fda.gov/downloads/food/guidanceregulation

55

Lineamientos NacioNaLes de inocuidad alimentaria para los ...  

Center for Food Safety and Applied Nutrition (CFSAN)

Text Version... Jasmine Long, Publix Super Markets Teressa Lopez, Arizona Leafy Greens ... Un microorganismo infeccioso tal como un virus, una bacteria, un prión ... More results from www.fda.gov/downloads/food/guidanceregulation

56

Los medicamentos y usted: Guía para adultos de más edad  

Center for Drug Evaluation (CDER)

... Considere, además, la posibilidad de pedirle a un amigo o familiar que le acompañe a su cita médica, si tiene dudas en cuanto a la conveniencia ... More results from www.fda.gov/drugs/resourcesforyou

57

Los Alamos Spheromak program  

SciTech Connect

The Los Alamos Spheromak has two experimental facilities. The confinement properties of sustained and decaying spheromaks are being studied in CTX. Electrodes for the production of clean sustained spheromaks are being developed on the Electrode Studies Facility.

Jarboe, T.R.

1985-01-01

58

Dateline Los Alamos  

NSDL National Science Digital Library

_Dateline Los Alamos_ is a monthly publication (Adobe Acrobat [.pdf] format only), provided by the Los Alamos National Laboratory in New Mexico. It covers recent research and product development at the laboratory. Newsletters dating from December 1995 to the present can be downloaded. A special issue from 1995 detailing the past and future of the laboratory is also available. Documents range in size from 545 Kb to 1.9 Mb.

59

Medicamentos sin receta: ¿Cual es adecuado para usted?  

Center for Drug Evaluation (CDER)

... sin receta sellan la mayoría de los productos indicadores de manipulación indebida para ayudar a proteger contra la manipulación criminal de las ... More results from www.fda.gov/drugs/resourcesforyou

60

MÉTODO SIMPLE PARA LA DETECCIÓN MÚLTIPLE DE VIROIDES DE CÍTRICOS A SIMPLE METHOD FOR THE MULTIPLE DETECTION OF CITRUS VIROIDS  

Microsoft Academic Search

La detección de viroides mediante RT-PCR en México es de uso común en los laboratorios de acreditación para determinar la calidad sanitaria de plantas de cítricos, cuando se van a utilizar árboles madre para propagar plantas de vivero. En el presente trabajo se describe una metodología simple para la detección múltiple de los viroides Citrus exocortis viroid (CEVd), CVd II,

Isidro H. Almeyda-León; Mario A. Rocha-Peña; M. Magdalena Iracheta-Cárdenas; Fermín Orona-Castro; Craig J. Kahlke

61

LA EVALUACIÓN DE LOS PROGRAMAS DE TRATAMIENTO EN DROGODEPENDENCIAS. IMPLICACIONES PROFESIONALES PARA LOS PSICÓLOGOS  

Microsoft Academic Search

The carrying out and publication of studies that assess the efficacy and efficiency of drug-addiction treatment programmes is an im- portant requirement, both in social and economic terms -for health authorities- and in deontological terms -for the psychology profes- sion. The present work offers a brief description of the main methodological characteristics of these studies, outlines the principal aspects of

José Ramón Fernández Hermida; Roberto Secades Villa

62

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

Microsoft Academic Search

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

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

2009-01-01

63

El valor de uso recreativo de los espacios naturales protegidos. Una aplicación de los métodos de valoración contingente y del coste del viaje  

Microsoft Academic Search

En este articulo se presenta una aplicación de dos de las metodologías desarrolladas para medir los beneficios que se derivan del uso recreativo de los bienes ambientales en ausencia de mercado, el método del coste del viaje (MCV) y el de valoración contingente (MVC). La zona objeto de estudio ha sido el Parque Nacional de “Aigüestortes y Estany de Sant

M. FARRÉ PERDIGUER

2003-01-01

64

Un índice de carencias en la niñez. Una aproximación por Dpartamentos para Colombia  

Microsoft Academic Search

RESUMEN En este trabajo se construye un indicador sintético, denominado Índice de Carencias para la Niñez Colombiana (ICNC). El ICNC resume el acceso a un conjunto de bienes y servicios en áreas clave para el bienestar y cumplimiento de los derechos del niño. En particular, las carencias que mide el ICNC tienen el objeto de dar a conocer si los

Luis Fernando Aguado Quintero; Ana María Osorio Mejía; Carlos Alberto García González

2009-01-01

65

La negociación, una competencia fundamental para el diálogo social  

Microsoft Academic Search

Este artículo plantea que una adecuada implementación del diálogo social requiere de actores competentes para negociar y construir consensos. Un marco legal adecuado y la buena disposición de los actores son condiciones necesarias pero no suficientes para un diálogo social efectivo. Es indispensable el desarrollo de habilidades y competencias, como la negociación, que lo hagan posible. Con base en diversas

María Clara Jaramillo Jaramillo

2011-01-01

66

Taxquake in Los Angeles  

ERIC Educational Resources Information Center

|Outlines educational, personnel, legal, and political considerations facing the Los Angeles Community College District contingency planning committee in their efforts to develop plans to meet budgetary limitations foreseen in the passage of the Jarvis-Gann property tax limitation initiative. (TP)|

Koltai, Leslie

1978-01-01

67

The Los Alamos primer  

Microsoft Academic Search

This book contains the 1943 lecture notes of Robert Serber. Serber was a protege of J. Robert Oppenheimer and member of the team that built the first atomic bomb - reveal what the Los Alamos scientists knew, and did not know, about the terrifying weapon they were building.

Serber

1992-01-01

68

Impulsar y renovar la tarea educativa: XXIV Premios Francisco Giner de los Ríos a la Mejora de la Calidad Educativa  

Microsoft Academic Search

Este volumen recoge los trabajos galardonados en la vigésima cuarta edición de los Premios Francisco Giner de los Ríos a la Mejora de la Calidad Educativa, convocados por el Ministerio de Educación y la Fundación BBVA. El premio especial de esta edición ha sido para un trabajo del área de Lengua y Literatura cuyo autor invita a sus alumnos a

V. V. AA

69

Remedios urbanos: más allá de los debates teóricos  

Microsoft Academic Search

Los trabajos sobre globalización y espacio urbano se inscriben bajo dos corrientes. Una que apunta a mostrar las bondades de la globalización, y la necesidad de actuar sobre las ciudades para que se fortalezcan beneficiándose de sus efectos. Y otra que insiste en mostrar lo nocivo de este proceso, por ejemplo a través de crecientes indicadores de pobreza, exclusión y

Nubis Pulido; Delfina Trinca Fighera

2007-01-01

70

Mecanismos de Acción de las Auxinas y los Herbicidas Auxínicos  

NSDL National Science Digital Library

Se muestra como las auxinas y los herbicidas auxínicos pueden inducir respuestas celulares y se describe el transporte basípeto de las auxinas. También se muestra como los receptores de auxinas reconocen las auxinas y los herbicidas auxínicos, los cuales inducen entonces la transmisión y traducción de señales para activar varios genes; el papel de los productos de esos genes en las respuestas de las plantas es también mostrado.

71

The Los Angeles Times  

NSDL National Science Digital Library

The Los Angeles Times debuts its Internet edition April 8. It is slated to include daily news and features, coverage of movies and entertainment, a computers and technology section, a special section devoted to Southern California sights and events, classified advertising, and chat boards. The site will be free. A fee based site will also be available, with access to Times' archives, as well as educational and research services. http://www.latimes.com

72

Juventud y medios de comunicación. La televisión y los jóvenes: Aproximación estructural a la programación y los mensajes  

Microsoft Academic Search

RESUMEN La autora propone en este artículo un breve análisis sobre la relación que se establece entre los jóvenes y la televisión en cuanto a programación, contenidos y mensajes. Para ello parte del contexto en el que se desarrolla la programación actual, estrechamente vinculado a una determinada estructura informativa con su peculiar dinámica de mercado y sus propósitos, más o

Leticia García Reina

73

Estudio de los hábitos alimentarios de niños de 4-6 años de Reynosa, Tamaulipas (México)  

Microsoft Academic Search

Se estudiaron los hábitos alimentarios de niños de 4 a 6 años en Reynosa, Tamaulipas (México) para determinar el riesgo de problemas nutricionales derivados del sobrepeso y obesidad. Se estudiaron las dietas de 999 niños. La ingesta de calorías en los niños (1457,10 ± 22,30 kcal) fue significativamente mayor que en las niñas (1345,69 ± 20,58 kcal). Un comportamiento similar se observó para la mayoría

O. Castillo-Ruiz; G. Velazquez; R. M. Uresti-Marín; N. Mier; M. Vázquez; J. A. Ramírez de León

2012-01-01

74

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

Cancer.gov

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

75

Lo que los padres necesitan saber sobre el cáncer y la vacuna contra el VPH  

Cancer.gov

Lo que los padres necesitan saber sobre el cáncer y la vacuna contra el VPH  Por el Instituto Nacional del Cáncer  Nosotros podemos vacunar a nuestros hijos contra el virus de la poliomielitis, contra el sarampión y  contra la gripe. Más recientemente se ha puesto al alcance de los padres de familia una vacuna para que 

76

Un estudio indica que la sigmoidoscopia reduce los índices de cáncer colorrectal  

Cancer.gov

Estudio señala que la sigmoidoscopia flexible es efectiva para reducir los índices de casos nuevos y de muertes por cáncer colorrectal. Los investigadores encontraron que la mortalidad general por cáncer colorrectal se redujo 26% y que la incidencia se redujo 21% como resultado de hacerse exámenes de detección con sigmoidoscopia.

77

Earthquakes: Los Angeles  

NSDL National Science Digital Library

Although the San Andreas Fault is the longest and one of the most active fault zones in California, it is not responsible for every earthquake in the state. This video segment describes the geologic setting of the San Andreas fault and a network of other active faults, particularly thrust faults, closer to Los Angeles, and explains why these may present a greater danger to the city than the San Andreas Fault. The segment is five minutes fifteen seconds in length. A background essay and discussion questions are included. Running time for the video is 5:15.

2012-08-28

78

Earthquakes: Los Angeles  

NSDL National Science Digital Library

Although the San Andreas Fault is the longest and one of the most active fault zones in California, it is not responsible for every earthquake in the state. This video segment describes the geologic setting of the San Andreas fault and a network of other active faults, particularly thrust faults, closer to Los Angeles, and explains why these may present a greater danger to the city than the San Andreas Fault. The segment is five minutes fifteen seconds in length. A background essay and discussion questions are included.

79

Los Alamos Spheromak Program  

SciTech Connect

The Los Alamos Spheromak Program consists of two experimental facilities. The confinement physics of sustained and decaying spheromaks are being studied in CTX, which has an extensive array of diagnostics. Experiments are directed towards extending the physics understanding of the spheromak as a magnetic confinement concept. Electrodes for the production of clean sustained spheromaks are developed on the Electrode Facility, which is more flexible in terms of experimental modifications. Improvements to helicity sources and elecrodes which are proven on the Electrode Facility are then considered for incorporation onto CTX.

Knox, S.O.; Barnes, C.W.; Fernandez, J.C.; Henins, I.; Hoida, H.W.; Klingner, P.L.; Platts, D.A.; Sherwood, A.R.; Wright, B.L.; Jarboe, T.R.

1985-01-01

80

LA GESTIÓN DE RESIDUOS EN LA EMPRESA: MOTIVACIONES PARA SU IMPLANTACIÓN Y MEJORAS ASOCIADAS \\/ FIRMS’ WASTE MANAGEMENT IN THE COMPANY: MOTIVATIONS FOR THEIR IMPLEMENTATION AND ASSOCIATED IMPROVEMENTS  

Microsoft Academic Search

Entre los problemas medioambientales actuales, la reducción o eliminación de los residuos se ha convertido en una de las principales preocupaciones en los países industrializados y en una prioridad para las empresas. En el presente trabajo se realiza una revisión de los postulados del modelo económico clásico, vigente hasta hace escasas fechas, en relación con la variable medio ambiente y

Unai Tamayo Orbegozo; María Azucena Vicente Molina; Julen Izaguirre Olaizola

2012-01-01

81

MECANISMOS PARA LA CREACIÓN DE HÉROES Y ANTI HÉROES PARA LA OPINIÓN PÚBLICA INTERNACIONAL EN PERIODOS DE GUERRA HOW MEDIA CREATES HEROS AND ANTIHEROS FOR THE INTERNATIONAL PUBLIC OPINION IN WAR PERIODS  

Microsoft Academic Search

La intención principal de esta investigación es encontrar las claves que se utilizan a diario en los medios de comunicación para crear, de cara a la opinión pública, héroes y anti -héroes en periodos de crisis internacional como los que se vienen viendo desde el pasado 11 de septiembre. Para plantear esta investigación partimos de dos ideas. La primera de

García Gordillo

82

Casos Empresariales No. 2. II Serie  

Microsoft Academic Search

En el ámbito de la disciplina administrativa se utilizan los casos empresariales como estrategia de aprendizaje. El presente texto desarrolla una casuística que surge de la realidad empresarial colombiana al estudiar los casos de prácticas gerenciales innovadoras de SQL Software, Impsat y Davivienda, como una medio para comprender el fenómeno organizacional latinoamericano y así fortalecer y renovar las pedagogías y

Facultad de Administración de Empresas

83

EL CASO POMAR: ENSAYO SOBRE LA DEMONIZACIÓN DE LO NO-COMPRENSIBLE  

Microsoft Academic Search

Hasta aquí, hemos descrito los hechos lo más objetivamente como sucedieron. No obstante, el presente trabajo tiene como objetivo estudiar los discursos acaecidos durante el lapso que la familia estuvo desparecida. Por regla general, la sociedad pone a disposición de sus ciudadanos todas las facilidades posibles en materia de seguridad para que éstos puedan desplazarse y circular (Foucault, 2006).

Korstanje Maximiliano E

2010-01-01

84

Korean Immigrants in Los Angeles  

Microsoft Academic Search

A large number of Koreans have been admitted to the United States as legal immigrants since the change in the immigration law in 1965. A significant proportion of the new Korean immigrants have settled in Los Angeles. As a result, the Los Angeles Korean community, the home of some 200,000 Koreans, has become not only the largest Korean center in

Pyong Gap Min

1990-01-01

85

El desafío de los desastres naturales en América Latina y el Caribe: Plan de acción del BID  

Microsoft Academic Search

En el siguiente informe, compuesto por cuatro partes, se analizan temas de desarrollo y de la prevención de desastres. En la primera parte, se presenta el panorama de la región en lo que atañe a sus amenazas naturales y los factores que contribuyen a su vulnerabilidad, y se ponen de relieve los recursos y la capacidad que posee para reducir

Banco Interamericano de Desarrollo

2000-01-01

86

Los impuestos en la época de la Independencia, su impacto social, evolución e implicaciones en el sistema tributario actual  

Microsoft Academic Search

resumen la evolución histórica de los tributos en colombia se encuentra inmersa en una serie de acontecimientos que hacen parte de la historia patria. el sistema impositivo colombiano fue implementado por españa durante la colonización a semejanza del aplicado en dicho país; el incremento de los impuestos para financiar sus actividades y las guerras que sostenía por la lucha de

Constanza Loreth Fajardo Calderón; Dora Cecilia Suárez Amaya

2012-01-01

87

Manipulación segura de los alimentos  

Center for Food Safety and Applied Nutrition (CFSAN)

Text Version... Hay tres maneras seguras de descongelar los ali- mentos: en el refrigerador, en agua fría y en el horno de microondas. ... More results from www.fda.gov/downloads/food/foodborneillnesscontaminants

88

Mitos De Los Ostiones Crudos  

Center for Food Safety and Applied Nutrition (CFSAN)

... que el agua. Sólo la exposición prolongada al calor a una temperatura suficiente matará a las bacterias. MITO: Evite los ... More results from www.fda.gov/food/foodborneillnesscontaminants/buystoreservesafefood

89

ACTIVIDADES PARA DESARROLLAR LA EXPRESIÓN ORAL Y ESCRITA DEL TÉCNICO MEDIO EN CONTABILIDAD  

Microsoft Academic Search

El siguiente trabajo responde a un problema que enfrenta el C\\/P Osvaldo Socarrás Martínez, relacionado con las insuficiencias que afectan el desarrollo de la Lengua Materna en los estudiantes, por lo que el objetivo de la misma es el de la elaboración de actividades para favorecer la expresión oral y escrita en los estudiantes del segundo año de técnico medio

Orlando Martínez Cuba; Lisandra Ávila Arzuaga

2010-01-01

90

Hacia la implementación de una guía de práctica clínica para el tratamiento del asma  

Microsoft Academic Search

Abstract. Dados los esfuerzos que el personal sanitario hace para la definición de guías de práctica clínica (CPG) por su elevado impacto en la calidad de los cuidados y la dificultad de su implantación, hemos considerado necesario desarrollar una,solución efectivade cara a laimplantación de CPGsmediante Sistemas de Ayuda a la Toma de Decisiones (DSS). Por la importancia de lo antedicho,

Pikatza F. J; Lopez de Ipiña

91

La Liga de Alumnos Amigos: Desarrollo de las habilidades sociales del alumnado para prestar apoyo socioemocional  

Microsoft Academic Search

Resumen: Integrado en el proyecto subvencionado por la Unión Europea Training and Mobility for Researchers para el estudio y la prevención de los malos tratos entre iguales y por el Proyecto Sócrates Comenius I, se desa- rrolla el Programa de Educación para la Convivencia en Contextos Educativos (EC- CE) destinado a combatir y prevenir el maltrato entre iguales. Una de

Juan Luís Benítez Muñoz; Ana María Tomás de Almeida; Fernando Justicia Justicia

2007-01-01

92

Los Angeles Mass Transit Strike  

NSDL National Science Digital Library

Beginning on Saturday, September 16, 2000, the drivers of the Los Angeles city buses launched a strike, stopping the 2,000 buses, subway, and rail lines that cover the 1,400 square miles of Los Angeles County, and stranding nearly half a million bus riders. The 4,300 members of the United Transportation Union (UTU) are on strike over wages and overtime. The Mass Transit Authority (MTA) of Los Angeles will face a $438 million deficit by 2010 if it does not manage to cut costs. Rather than raise fares, the MTA suggested cutting the cost of drivers's overtime pay by fifteen percent over the next three years, for a saving of $23 million. To do this, the MTA proposed that 400 drivers accept a four-day-a-week work schedule, in which they would be on duty twelve hours a day, but would only be paid for ten hours. Overtime would start only after twelve hours. The strike has already proven itself difficult for the people of Los Angeles. Traffic increased nearly five percent, and those Los Angelenos who depend on public transportation to get to work and school, have been forced to walk, carpool, or ride bikes. According to the MTA, 68 percent of MTA riders have household incomes under $15,000 a year. Talks between the UTU and the MTA were to have resumed on Tuesday morning.

93

Upper Los Alamos canyon fact sheet  

Microsoft Academic Search

Los Alamos National Laboratory is planning to make environmental assessments in portions of Upper Los Alamos Canyon. Upper Los Alamos Canyon is one of the areas included in the 2005 Consent Order agreed to by Los Alamos National Laboratory, the National Nuclear Security Administration, and the New Mexico Environment Department. As such, it must be evaluated for potential contamination. The

Jeffrey H

2007-01-01

94

Aplicación del Teorema de Nekhorochev para tiempos de estabilidad en Mecánica Celeste  

NASA Astrophysics Data System (ADS)

En Mecánica Celeste, uno de los problemas centrales consiste en la determinación de los tiempos de estabilidad. El teorema de Nekhorochev proporciona un método para dicho estudio, para un sistema determinado por un hamiltoniano descripto en las variables acción-ángulo. El trabajo consiste en la acotación tanto del potencial perturbador y de la matriz hessiana del hamiltoniano integrable para determinar luego el tiempo de estabilidad de dicho sistema, donde por estabilidad se entiende la separación en norma infinito en el espacio de las acciones.

Miloni, O.; Núñez, J.; Brunini, A.

95

Palace Revolt in Los Angeles?  

ERIC Educational Resources Information Center

|Antonio Villaraigosa, the mayor of Los Angeles, comes alive when recalling his start in local politics--as a labor organizer agitating for reform inside decrepit and overcrowded schools. In his quest to turn around the schools, the mayor has united working-class Latino parents, civil rights leaders, and big-money Democrats to challenge union…

Fuller, Bruce

2010-01-01

96

Stunted Desegregation in Los Angeles.  

ERIC Educational Resources Information Center

Despite the 1978 implementation of a new desegregation plan, analysts have found that Los Angeles schools are still segregated. This is the case because the master desegregation plan has a false definition of segregated schools, a protective covenant shielding the White schools, and a focus on their pretended desegregation. (Author/GC)

Caughey, John

1979-01-01

97

The Los Alamos ICF program  

Microsoft Academic Search

The funding and manpower levels for the Los Alamos CO2 laser-inertial confinement fusion program are examined along with the specifications of the future 100 kJ Antares laser. The operational characteristics of the Helios laser facility are described along with current experiments; new diagnostics for measuring the performance of high-density targets are emphasized.

R. P. Godwin

1980-01-01

98

Los Alamos Science: Number 16.  

National Technical Information Service (NTIS)

It was an unusually stimulating day and a half at Los Alamos when two Nobel Laureates in physiology, a leading paleontologist, and a leading bio-astrophysicist came together to discuss ''Unsolved Problems in the Science of Life,'' the topic of the second ...

N. G. Cooper

1988-01-01

99

La Biotecnología en los Cultivos: Problemas Potenciales para los Países en Desarrollo  

NSDL National Science Digital Library

Excerpts from an Oxfam report examine GM crops are an answer to world hunger for some. To others, these crops are a health risk and an environmental threat because some GM crops: have proven to be genetically unstable, do not do what they were designed to do, are a risk to human health, particularly children, cause animals who eat them to become immune to antibiotics, and spread and destroy natural crops.

Laura Spinney (Oxfam GB;)

1998-05-01

100

Los dilemas del desarrollo territorial: repercusiones del zapatismo en la Selva Lacandona de Chiapas1  

Microsoft Academic Search

Este artículo discute los dilemas del desarrollo territorial en la Selva Lacandona. En particular analiza las relaciones entre movimientos sociales, nuevas formas de gobernanza ambiental y desarrollo en esta región del estado de Chiapas, en México. Con base en el llamado enfoque territorial del desarrollo rural (Schejtman y Berdegué, 2004), planteamos que en el contexto actual de globalización, para lograr

Luis Reygadas

101

Establishment of Armed Forces Reserve Center, Los Alamitos. City of Los Alamitos, California.  

National Technical Information Service (NTIS)

The impact statement discusses the establishment of an Armed Forces Reserve Center, Los Alamitos, California, at the Naval Air Station, Los Alamitos through the relocation to Los Alamitos of certain Reserve Component personnel, non-aviation units and avia...

1972-01-01

102

Satellites monitor Los Alamos fires  

NASA Astrophysics Data System (ADS)

A man-made fire that was intended to be a “controlled burn” for clearing brush and wilderness at the Bandelier National Monument, New Mexico, became an inferno that devastated significant portions of Los Alamos during the first week of May 2000. Now known as the Cerro Grande fire, it was not confined to Los Alamos alone. The fire spread to 15% of the Santa Clara Indian Reservation and a substantial area of the surrounding national parks and U.S. forests.The National Weather Service estimates that more than 100,000 fires occur in the natural environment each year within the United States alone, of which about 90% are manmade. Remote sensing images from satellites could be used to detect and monitor these active fires and biomass burning. Forest fires have a significant environmental and economic impact, and timely information about their location and magnitude is essential to contain them.

Kalluri, Satya; White, Benjamin

103

Los Alamos Critical Assemblies Facility  

SciTech Connect

The Critical Assemblies Facility of the Los Alamos National Laboratory has been in existence for thirty-five years. In that period, many thousands of measurements have been made on assemblies of /sup 235/U, /sup 233/U, and /sup 239/Pu in various configurations, including the nitrate, sulfate, fluoride, carbide, and oxide chemical compositions and the solid, liquid, and gaseous states. The present complex of eleven operating machines is described, and typical applications are presented.

Malenfant, R.E.

1981-06-01

104

Muon Project At Los Alamos  

NASA Astrophysics Data System (ADS)

We are working on designing a next-generation muon facility for LANSCE at Los Alamos National Laboratory. The use of muon accelerators is the key feature to generate a muon micro beam of tunable energy. The muon micro beam will realize a beam luminocity of 109 ?+/cm2 s which is 4 orders or more higher than present muon facilities. Some designs and results of simulations, especially a high-collection muon radio-frequency quadrupole, are described in this paper.

Miyadera, H.; Jason, A. J.; Nagamine, K.

2008-02-01

105

Propuesta de un m‚todo para la elecci¢n de buenas alternativas para la localizaci¢n de empresas de reciclaje de RAEE en Espa¤a  

Microsoft Academic Search

Ante la necesidad de Espa¤a de instalar nuevas empresas de reciclaje de RAEE, este trabajo proporciona a los agentes decisores una ordenaci¢n de los principales municipios espa¤oles seg£n su apropiabilidad para la instalaci¢n de estas empresas. Desarrolla un procedimiento que consiste en la identificaci¢n de los factores relevantes que deben tenerse en cuenta y en la posterior aplicaci¢n de una

Dolores Queiruga; Javier Gonz lez Benito; Grit Walther; Thomas Spengler

2004-01-01

106

Malformaciones Congénitas Asociadas a Agrotóxicos  

Microsoft Academic Search

RESUMEN Introducción: La exposición a plaguicidas es un riesgo reconocido para la salud humana. Se describe la relación entre la exposición de los padres y malformaciones congénitas en el neonato. Objetivo: Estudiar la asociación entre la exposición a pesticidas y malformaciones congénitas en neonatos naci- dos en el Hospital Regional de Encarnación, Itapúa- Paraguay. Material y Método: Estudio prospectivo de

S BENÍTEZ-LEITE; ML MACCHI; M ACOSTA

2009-01-01

107

Análisis de la decisión de exportar de las empresas agroalimentarias españolas: una aproximación con datos microeconómicos\\/Agri-food Firms Export Behaviour: a Microeconomic Approach  

Microsoft Academic Search

El objetivo de este trabajo es estudiar el comportamiento estratégico de las empresas agroalimentarias españolas en relación a los mercados exteriores. Para llevar a cabo este objetivo se ha definido un modelo de competencia imperfecta en el que unas empresas compiten a la Cournot y otras de manera competitiva. Además, se ha supuesto que las empresas toman simultáneamente tres decisiones

M. AMEUR; A. GRACIA ROYO

2004-01-01

108

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

Microsoft Academic Search

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

Jenny Brenes; Ana Sofía Coto; Gloria Hurtado

109

Estudio para la prevención del cáncer necesita voluntarias: El Estudio del Tamoxifeno y Raloxifeno (STAR) se realiza en Norteamérica  

Cancer.gov

El Estudio del Tamoxifeno y Raloxifeno (STAR, por sus siglas en inglés), uno de los estudios más importantes realizados para la prevención del cáncer del seno, está ahora reclutando voluntarias en más de 400 centros en los Estados Unidos, Puerto Rico y Canadá.

110

Los Angeles and Its Mistress Machine  

ERIC Educational Resources Information Center

|Los Angeles city has acute air pollution problems because of lack of an adequate mass transit system and the type of local industries. Air pollution in Los Angeles has affected agricultural production, vegetation, and public health in nearby areas. (PS)|

Marx, Wesley

1973-01-01

111

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

Microsoft Academic Search

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

V. V. AA

112

La respuesta de la política fiscal a la actividad económica en los países desarrollados\\/Fiscal policy reaction to economic activity in developed countries  

Microsoft Academic Search

Este trabajo examina cómo ha respondido la política fiscal discrecional a las oscilaciones económicas en un conjunto de países de la OCDE a lo largo de las últimas cuatro décadas. En línea con la reciente literatura, utilizamos el Saldo Estructural Primario como indicador para caracterizar la actividad fiscal de los Gobiernos. Los resultados muestran el escaso uso de la política

JUAN A. CERÓN

2012-01-01

113

LAS HABILIDADES DE INTERACCIÓN SOCIAL Y LA PREPARACIÓN DE LAS FAMILIAS DE LOS NIÑOS Y DE LAS NIÑAS CON DIAGNÓSTICO PRESUNTIVO DE RETRASO MENTAL DESDE LAS PRIMERAS EDADES  

Microsoft Academic Search

Las habilidades sociales son un numeroso y variado conjunto de conductas que se ponen en juego en situaciones de interacción social, es decir, en situaciones en las que hay que relacionarse con otras personas. La Interacción social se refiere a las conductas necesarias para interactuar y relacionarse con los iguales y con los adultos de forma efectiva y mutuamente satisfactoria.

Elizabeth Gómez Núñez; Olga Lidia Núñez Rodriguez; Nemesio Jiménez Cepero; Ángel Luis Gómez Cardoso

2011-01-01

114

27 CFR 9.32 - Los Carneros.  

Code of Federal Regulations, 2010 CFR

...2009-04-01 2009-04-01 false Los Carneros. 9.32 Section 9.32 ...American Viticultural Areas § 9.32 Los Carneros. (a) Name . The name of...viticultural area described in this section is âLos Carnerosâ. âCarnerosâ may also...

2009-04-01

115

Controversias actuales en los objetivos de control glucémico. ¿Qué reflexiones exigen los resultados de los últimos estudios para abordar la diabetes mellitus tipo 2?  

Microsoft Academic Search

The aim of this article is to discuss the implications of the results obtained in the latest large-scale clinical trials designed to evaluate the effect of intensive glycemic control on the vascular complications associated with type 2 diabetes mellitus. The current scientific evidence is reviewed and the implications of the ACCORD (The Action to Control Cardiovascular Risk in Diabetes study

Dídac Mauricio; Ferran Rius

2010-01-01

116

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

Microsoft Academic Search

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

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

2010-01-01

117

Los Alamos Science: Number 16  

SciTech Connect

It was an unusually stimulating day and a half at Los Alamos when two Nobel Laureates in physiology, a leading paleontologist, and a leading bio-astrophysicist came together to discuss ''Unsolved Problems in the Science of Life,'' the topic of the second in a series of special meetings sponsored by the Fellows of the Laboratory. Just like the first one on ''Creativity in Science,'' this colloquium took us into a broader arena of ideas and viewpoints than is our usual daily fare. To contemplate the evolution and mysteries of intelligent life from the speakers' diverse points of view at one time, in one place was indeed a rare experience.

Cooper, N.G. (ed.)

1988-01-01

118

Los Alamos intense neutron source  

SciTech Connect

The intense neutron source is an inertial electrostatic confinement (IEC) fusion device currently under construction at Los Alamos National Laboratory. It is designed to produce 10{sup 11} n/s steady state and will be used for nuclear assay applications. It is being built in a hot cell and will operate with a deuterium-tritium fuel mixture. This device is a three-grid IEC ion focus device. Expected performance has been predicted by scaling from a previous IEC device. In this paper we describe the physics principles of operation of this device, the engineering design parameters, and the empirical scaling used to determine the design parameters.

Nebel, R.A.; Pickrell, M.M.; Barnes, D.C. [Los Alamos National Lab., NM (United States)] [and others

1997-12-01

119

Los Alamos racquetball contamination incident  

SciTech Connect

Several employees of the Los Alamos Plutonium Facility were found to have low levels of radioactivity on their hands and clothing when they arrived for work one morning. The initial concern was that the stringent contamination or material controls at the facility had failed, and that one or more of the employees had either accidentally or intentionally removed plutonium from the Laboratory premises. Fortunately, however, an investigation revealed that the source of the radioactivity was radon daughters electrostatically collected upon the surface of the racquetball and transferred by physical contact to the employees during an early morning racquetball game. This paper describes the events leading to the discovery of this phenomenon. 1 figure.

McAtee, J.L.; Stafford, R.G.; Dowdy, E.J.; Prestwood, R.J.

1985-01-01

120

Un nuevo estudio de terapias dirigidas para cáncer de mama establece un modelo de estudios clínicos a nivel mundial  

Cancer.gov

Dos medicamentos dirigidos, diseñados para tratar una forma agresiva de cáncer de seno o mama, están siendo probados en un estudio nuevo que incluye a 8 000 participantes en 50 países de seis continentes. Éste será un estudio clínico que los investigadores esperan proporcionará un nuevo modelo para la investigación del cáncer a nivel mundial. Preguntas y respuestas

121

Los Alamos opacity web page  

SciTech Connect

The Los Alamos opacity data base is now available on the World Wide Web at http://t4.lanl.gov. The data base contains both the original Astrophysical Opacity Library distributed worldwide in the 1980`s (for historical reference) and the new improved opacities from the Light Element Detailed Configuration OPacity (LEDCOP) code. Users can access the opacity data using the multigroup opacity code TOPS to obtain Rosseland and Planck gray opacities, group mean opacities over selected energy ranges, the monochromatic absorption coefficients and the average ionization over a wide range of temperatures and densities. As described in this paper, these quantities are available for all of the elements presently on the data base and TOPS will provide the same quantities for any arbitrary mixture of these elements.

Magee, N.H. Jr.; Clark, R.E.H.

1998-02-01

122

Los Alamos PC estimating system  

SciTech Connect

The Los Alamos Cost Estimating System (QUEST) is being converted to run on IBM personal computers. This very extensive estimating system is capable of supporting cost estimators from many different and varied fields. QUEST does not dictate any fixed method for estimating. QUEST supports many styles and levels of detail estimating. QUEST can be used with or without data bases. This system allows the estimator to provide reports based on levels of detail defined by combining work breakdown structures. QUEST provides a set of tools for doing any type of estimate without forcing the estimator to use any given method. The level of detail in the estimate can be mixed based on the amount of information known about different parts of the project. The system can support many different data bases simultaneously. Estimators can modify any cost in any data base.

Stutz, R.A.; Lemon, G.D.

1987-01-01

123

Bruce D. Judd, FAIA, Photographer August 1997. VIEW OF LOS ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Bruce D. Judd, FAIA, Photographer August 1997. VIEW OF LOS ANGELES CITY HALL TWENTIETH FLOOR JUDGE'S TOILET ROOM, FACING NORTHWEST - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

124

Monica Griesbach, Photographer August 1997. VIEW OF LOS ANGELES CITY ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Monica Griesbach, Photographer August 1997. VIEW OF LOS ANGELES CITY HALL FOURTEENTH FLOOR SOUTHWEST TOILET ROOM, FACING NORTH - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

125

Monica Griesbach, Photographer August 1997. VIEW OF LOS ANGELES CITY ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Monica Griesbach, Photographer August 1997. VIEW OF LOS ANGELES CITY HALL FOURTEENTH FLOOR NORTHWEST TOILET ROOM, FACING NORTH - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

126

John Ash, AIA, Photographer August 1997. VIEW OF LOS ANGELES ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

John Ash, AIA, Photographer August 1997. VIEW OF LOS ANGELES CITY HALL SEVENTH FLOOR SOUTH TOILET ROOM OFF ELEVATOR LOBBY, FACING SOUTHEAST - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

127

Monica Griesbach, Photographer August 1997. VIEW OF LOS ANGELES CITY ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Monica Griesbach, Photographer August 1997. VIEW OF LOS ANGELES CITY HALL FOURTEENTH FLOOR SOUTHWEST TOILET ROOM, FACING SOUTH - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

128

Monica Griesbach, Photographer August 1997. DETAIL OF LOS ANGELES CITY ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Monica Griesbach, Photographer August 1997. DETAIL OF LOS ANGELES CITY HALL FIRST FLOOR SHOWING EAST ELEVATOR LOBBY EXPRESS ELEVATOR DOORS, FACING NORTH. - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

129

Monica Griesbach, Photographer August 1997. DETAIL OF LOS ANGELES CITY ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Monica Griesbach, Photographer August 1997. DETAIL OF LOS ANGELES CITY HALL FIFTH FLOOR, ELEVATOR LOBBY SHOWING ELEVATOR DOORS, FACING SOUTH - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

130

Bruce D. Judd, FAIA, Photographer August 1997. DETAIL OF LOS ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Bruce D. Judd, FAIA, Photographer August 1997. DETAIL OF LOS ANGELES CITY HALL NORTH ENTRANCE SHOWING STAIRS, DOORS AND WINDOW CONFIGURATION, FACING SOUTH. - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

131

John Ash, AIA, Photographer August 1997. DETAIL OF LOS ANGELES ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

John Ash, AIA, Photographer August 1997. DETAIL OF LOS ANGELES CITY HALL ROOM 900 SHOWING WOOD AND GLASS PARTITIONS, FACING SOUTH - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

132

John Ash, AIA, Photographer August 1997. DETAIL OF LOS ANGELES ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

John Ash, AIA, Photographer August 1997. DETAIL OF LOS ANGELES CITY HALL THIRD FLOOR MAYOR'S OFFICE CHAMBER SHOWING WOOD PANELED DOOR AND BOOKCASES, FACING NORTH. - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

133

John Ash, AIA, Photographer August 1997. VIEW OF LOS ANGELES ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

John Ash, AIA, Photographer August 1997. VIEW OF LOS ANGELES CITY HALL ROOM 900 EAST OF ELEVATOR LOBBY SHOWING WOOD AND GLASS PARTITIONS, FACING SOUTH - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

134

Monica Griesbach, Photographer August 1997. VIEW OF LOS ANGELES CITY ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Monica Griesbach, Photographer August 1997. VIEW OF LOS ANGELES CITY HALL FIFTH FLOOR BREAK ROOM OFF OF ORIGINAL ART COMMISSION ROOMS, FACING SOUTHEAST - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

135

Monica Griesbach, Photographer August 1997. VIEW OF LOS ANGELES CITY ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Monica Griesbach, Photographer August 1997. VIEW OF LOS ANGELES CITY HALL FIFTH FLOOR BREAK ROOM OFF OF ORIGINAL ART COMMISSION ROOMS, FACING NORTHEAST - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

136

Monica Griesbach, Photographer August 1997. DETAIL OF LOS ANGELES CITY ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Monica Griesbach, Photographer August 1997. DETAIL OF LOS ANGELES CITY HALL NINETEENTH FLOOR MAIN OFFICE AREA SHOWING DEMOLITION OF SOUTH WALL, FACING SOUTH - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

137

Monica Griesbach, Photographer August 1997. VIEW OF LOS ANGELES CITY ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Monica Griesbach, Photographer August 1997. VIEW OF LOS ANGELES CITY HALL FIFTH FLOOR WEST OFFICE AREA THAT WAS ORIGINAL ART COMMISSION ROOMS, FACING NORTHEAST - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

138

Monica Griesbach, Photographer August 1997. DETAIL OF LOS ANGELES CITY ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Monica Griesbach, Photographer August 1997. DETAIL OF LOS ANGELES CITY HALL NINETEENTH FLOOR MAIN OFFICE AREA SHOWING DEMOLITION OF WEST WALL, FACING WEST - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

139

Bruce D. Judd, FAIA, Photographer August 1997. DETAIL OF LOS ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Bruce D. Judd, FAIA, Photographer August 1997. DETAIL OF LOS ANGELES CITY HALL SIXTH FLOOR NORTH OFFICE AREA WINDOW, FACING NORTHWEST - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

140

Monica Griesbach, Photographer August 1997. VIEW OF LOS ANGELES CITY ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Monica Griesbach, Photographer August 1997. VIEW OF LOS ANGELES CITY HALL FIFTH FLOOR WEST OFFICE AREA THAT WAS ORIGINAL ART COMMISSION ROOMS, FACING NORTHWEST. - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

141

Monica Griesbach, Photographer August 1997. DETAIL OF LOS ANGELES CITY ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Monica Griesbach, Photographer August 1997. DETAIL OF LOS ANGELES CITY HALL NINETEENTH FLOOR MAIN OFFICE AREA SHOWING BEAM AND COLUMN CONNECTION NEAR SOUTHEAST CORNER, FACING SOUTHEAST - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

142

John Ash, AIA, Photographer August 1997. VIEW OF LOS ANGELES ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

John Ash, AIA, Photographer August 1997. VIEW OF LOS ANGELES CITY HALL SEVENTH FLOOR SOUTH OFFICE AREA SHOWING WOOD AND GLASS PARTITIONS, FACING SOUTHEAST - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

143

Monica Griesbach, Photographer August 1997. VIEW OF LOS ANGELES CITY ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Monica Griesbach, Photographer August 1997. VIEW OF LOS ANGELES CITY HALL FIFTH FLOOR NORTH OFFICE AREA, FACING NORTH - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

144

John Ash, AIA, Photographer August 1997. DETAIL OF LOS ANGELES ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

John Ash, AIA, Photographer August 1997. DETAIL OF LOS ANGELES CITY HALL SEVENTH FLOOR SOUTH OFFICE AREA SHOWING RADIATOR AND WINDOWS, FACING EAST - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

145

Monica Griesbach, Photographer August 1997. VIEW OF LOS ANGELES CITY ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Monica Griesbach, Photographer August 1997. VIEW OF LOS ANGELES CITY HALL NINETEENTH FLOOR MAIN OFFICE AREA, FACING NORTHEAST - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

146

John Ash, AIA, Photographer August 1997. VIEW OF LOS ANGELES ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

John Ash, AIA, Photographer August 1997. VIEW OF LOS ANGELES CITY HALL SEVENTH FLOOR SOUTH OFFICE AREA SHOWING STRUCTURAL PIERS AND FLORESCENT LIGHTS, FACING NORTHWEST - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

147

Monica Griesbach, Photographer August 1997. VIEW OF LOS ANGELES CITY ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Monica Griesbach, Photographer August 1997. VIEW OF LOS ANGELES CITY HALL FOURTEENTH FLOOR, SERVICE AREA DOOR NEAR ELEVATOR LOBBY, FACING SOUTH - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

148

Bruce D. Judd, FAIA, Photographer August 1997. VIEW OF LOS ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Bruce D. Judd, FAIA, Photographer August 1997. VIEW OF LOS ANGELES CITY HALL SIXTH FLOOR NORTH OFFICE AREA, FACING NORTH - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

149

Bruce D. Judd, FAIA, Photographer August 1997. VIEW OF LOS ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Bruce D. Judd, FAIA, Photographer August 1997. VIEW OF LOS ANGELES CITY HALL ELEVENTH FLOOR KITCHEN OF EXECUTIVE DINING AREA SHOWING ARCHED STRUCTURE, FACING NORTHWEST - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

150

Monica Griesbach, Photographer August 1997. VIEW OF LOS ANGELES CITY ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Monica Griesbach, Photographer August 1997. VIEW OF LOS ANGELES CITY HALL NINETEENTH FLOOR MAIN OFFICE AREA, FACING NORTHWEST - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

151

John Ash, AIA, Photographer August 1997. VIEW OF LOS ANGELES ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

John Ash, AIA, Photographer August 1997. VIEW OF LOS ANGELES CITY HALL FIFTH FLOOR NORTH OFFICE AREA, FACING NORTHEAST - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

152

Monica Griesbach, Photographer August 1997. DETAIL OF LOS ANGELES CITY ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Monica Griesbach, Photographer August 1997. DETAIL OF LOS ANGELES CITY HALL NINETEENTH FLOOR MAIN OFFICE AREA SHOWING BEAM AND COLUMN CONNECTION NEAR NORTHWEST CORNER, FACING NORTHWEST - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

153

Monica Griesbach, Photographer August 1997. DETAIL OF LOS ANGELES CITY ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Monica Griesbach, Photographer August 1997. DETAIL OF LOS ANGELES CITY HALL THIRD FLOOR SHOWING ROTUNDA STANDING LIGHT FIXTURE, FACING NORTHEAST. - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

154

Monica Griesbach, Photographer August 1997. DETAIL OF LOS ANGELES CITY ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Monica Griesbach, Photographer August 1997. DETAIL OF LOS ANGELES CITY HALL THIRD FLOOR SHOWING ROTUNDA COLUMN CAPITALS AND LIGHT FIXTURES, FACING SOUTHEAST. - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

155

John Ash, AIA, Photographer August 1997. DETAIL OF LOS ANGELES ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

John Ash, AIA, Photographer August 1997. DETAIL OF LOS ANGELES CITY HALL TENTH FLOOR SOUTH WING CAFETERIA LIGHT FIXTURE, FACING SOUTHWEST - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

156

Monica Griesbach, Photographer August 1997. DETAIL OF LOS ANGELES CITY ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Monica Griesbach, Photographer August 1997. DETAIL OF LOS ANGELES CITY HALL SOUTH ENTRY SHOWING DOORS AND LIGHT FIXTURES, FACING NORTH. - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

157

Bruce D. Judd, FAIA, Photographer August 1997. DETAIL OF LOS ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Bruce D. Judd, FAIA, Photographer August 1997. DETAIL OF LOS ANGELES CITY HALL NORTH ENTRANCE SHOWING DOORS AND LIGHT FIXTURES, FACING SOUTH. - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

158

Monica Griesbach, Photographer August 1997. DETAIL OF LOS ANGELES CITY ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Monica Griesbach, Photographer August 1997. DETAIL OF LOS ANGELES CITY HALL EAST ENTRANCE PORCH SHOWING VAULTS AND LIGHT FIXTURE, FACING UP. - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

159

Monica Griesbach, Photographer August 1997. DETAIL OF LOS ANGELES CITY ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Monica Griesbach, Photographer August 1997. DETAIL OF LOS ANGELES CITY HALL THIRD FLOOR SHOWING ROTUNDA COLUMN CAPITALS AND LIGHT FIXTURES, FACING SOUTHEAST - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

160

Monica Griesbach, Photographer August 1997. DETAIL OF LOS ANGELES CITY ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Monica Griesbach, Photographer August 1997. DETAIL OF LOS ANGELES CITY HALL WEST ENTRANCE COURTYARD SHOWING BRONZE DOORS, LIGHT FIXTURES AND GRILLS, FACING EAST. - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

161

Seguridad alimentaria para futuras mamás: Seguridad ...  

Center for Food Safety and Applied Nutrition (CFSAN)

... Seguridad alimentaria para futuras mamás: Seguridad alimentaria para toda la vida. Seguridad alimentaria para futuras ... More results from www.fda.gov/food/foodborneillnesscontaminants/peopleatrisk

162

DERECHOS FUNDAMENTALES DE LOS ANCIANOS -POLÍTICA Y ECONOMÍA  

Microsoft Academic Search

RESUMEN: Este trabajo aborda el problema de los derechos de los ancianos, como parte de los Derechos Económicos, Sociales y Culturales. En primer lugar se sigue la perspectiva del Derecho, caracterizando formalmente a los Derechos Fundamentales y sus relaciones con la democracia cons- titucional. Se desarrolla luego el tema de las garantías de los derechos de los ancianos en Argentina,

Jorge Bellina Yrigoyen

2006-01-01

163

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

NASA Astrophysics Data System (ADS)

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

Gianibelli, J. C.

164

Significant Silence in Elena Garro's "Los Perros"  

ERIC Educational Resources Information Center

|Elena Garro's one-act play "Los perros" (1958) confronts the difficult issue of sexual violence in rural Mexico, a problem that persists today. The characters struggle with the social reality of rape, alluding to the threat of sexual violence while avoiding addressing it directly. While words are granted an almost magical power in "Los perros",…

Burke, Jessica

2010-01-01

165

The Los Angeles Rebellion: A Retrospective View  

Microsoft Academic Search

The Los Angeles rebellion of 1992 is evaluated from an urban political economy perspective. After discussing the anatomy of the rebellion and assessing retrospectively the outcome of the police brutality trial; the civil unrest is situated within the broader context of the recent demographic, social, and economic changes occurring in Los Angeles society. This is followed by a critical review

James H. Johnson; Cloyzelle K. Jones; Walter C. Farrell; Melvin L. Oliver

1992-01-01

166

The Los Alamos Neutron Science Center (LANSCE)  

Microsoft Academic Search

In October 1995, with the closeout of the nuclear physics user program and the increased national need for neutrons, Los Alamos National Laboratory refocused the mission of its linear accelerator complex. The new mission called for the development and use of spallation neutron sources for research and applications. As a result, the accelerator complex formerly known as the Los Alamos

J. A. Roberts

1999-01-01

167

Aplicaciones prácticas de la fisiología de los herbicidas en las plantas  

NSDL National Science Digital Library

Esta lección se focaliza en el impacto de las características de la planta y el herbicida, importantes para determinar el desempeño del herbicida. Se usarán imágenes visuales para ilustrar varios principios, incluyendo el sitio de absorción del herbicida en la planta, transporte, el sitio de acción sensible, y efectos del ambiente sobre el desempeño del herbicida. Esta información provee la base para maximizar la utilidad del uso de los herbicidas.

168

Estrategia para potenciar el desarrollo del talento en los escolares de la educación primaria  

Microsoft Academic Search

El desarrollo del talento en el mundo es una polémica que cobra auge en la actualidad. Cuba, país en vía de desarrollo brinda a este tema especial atención. Por su importancia y novedad, la presente investigación se centra en cómo potenciar el desarrollo del talento en la Educación Primaria. Con un enfoque histórico cultural la estrategia propuesta como vía de

Niurkis Lozano Cabrera

2011-01-01

169

Directrices de los Servicios de Salud para Estudiantes Migratorios (Guidelines for Health Services for Migrant Students).  

ERIC Educational Resources Information Center

|To promote uniformity and continuity, standards have been established for planning, implementing, and evaluating student health programs provided by grade K-12 migrant education programs throughout California. In this Spanish language edition, state-mandated health requirements, the rationale for supplemental services, methods of providing…

California State Dept. of Education, Sacramento. Bureau of Community Services and Migrant Education.

170

Unificación de los laboratorios: aportaciones y desventajas para la microbiología clínica  

Microsoft Academic Search

This article aims to reflect on which areas or tasks of microbiology laboratories could be unified with those of clinical biochemistry, hematology, immunology or pathology laboratories to benefit patients and the health system, as well as the areas that should remain independent since their amalgamation would not only fail to provide a benefit but could even jeopardize the quality of

Antonia Andreu; Lurdes Matas

2010-01-01

171

Interfaz web para gestionar los recursos de supercomputación Web interface to manage the resources of supercomputing  

Microsoft Academic Search

Summary The architecture presented in this article, called Cluster Looking Class (CLG), developed by The Scientific Computer Center (CICA) of Junta de Andalucía, allows the user to make use of resources through the web, eliminating the need to enter commands through a command line console. This ease of use extends the reach of computing services to a higher number of

Jorge Cantón; Ana Silva; Juan Antonio Ortega

172

Diseño de una vía clínica para la atención a los pacientes con esclerosis múltiple  

Microsoft Academic Search

IntroductionClinical pathways are standard health care methods to coordinate clinical work, reduce inter-clinician variability, improve patient care and increase staff and patient satisfaction. The aim of this study is to develop a clinical pathway capable of organising and developing standard procedures for diagnosis, treatment and care in patients with multiple sclerosis and to coordinate all medical specialists involved in this

C. Oreja-Guevara; A. Miralles; J. García-Caballero; S. Noval; L. Gabaldón; M. D. Esteban-Vasallo; M. J. García-Matres; C. Bayón-Pérez; A. Royo; A. González; A. Hernanz; M. R. López-Pajares; J. L. Morante; E. Díez-Tejedor

2010-01-01

173

One Language for the United States? (Un Idioma para Los Estados Unidos?) CSG Backgrounder.  

ERIC Educational Resources Information Center

The United States has become increasingly multilingual in recent decades, and while English is the most commonly spoken language, almost 11 percent of Americans prefer to speak another language at home. Bilingualism is promoted by governmental units at the federal, state, and local levels through a variety of programs, particularly in education…

Ford, Mark L.

174

Efectos cardiovasculares de los ácidos grasos omega-3 y alternativas para incrementar su ingesta  

Microsoft Academic Search

Cardiovascular diseases are the main mortality cause in Europe, the USA and a great extent of Asia. There are several risk factors associated with cardiovascular disea- ses, such as increased total cholesterol, homocysteine and triglycerides, hypertension, diabetes, and reduced levels of HDL-cholesterol. Many of these risk factors are diet influenced. In spite of the great amount of foods en- riched

J. J. Carrero; E. Martín-Bautista; L. Baró; J. Jiménez; J. J. Boza; E. López-Huertas; Puleva Biotech; S. A. Granada

2005-01-01

175

Análisis de los procesos para desalinización de agua de mar aplicando la inteligencia competitiva y tecnológica  

Microsoft Academic Search

Due to the lack of potable water, it is urgent to develop technologies capable of making use of the sea water. Several processes exist for the desalinization of marine water, which vary principally in energy consumption, operation costs and environmental impacts. This paper analyzes several processes for desalinization of sea water, and identifies those with energy recovery. The Competitive Technology

Marisela Rodríguez

2007-01-01

176

Científicos que cuestionan los paradigmas dominantes: Algunas implicaciones para la enseñanza de las ciencias  

Microsoft Academic Search

In this work I present the topic of the scientists that challenge dominant paradigms. This reality can help us to deepen in the nature of the science, at the same time that can have applications for science teaching. Palabras clave: Filosofía de la ciencia, paradigmas dominantes, cambio conceptual, resistencia al descubrimiento, enseñanza de las ciencias.

Juan Miguel Campanario

2004-01-01

177

La Marihuana: Informacion para los Adolescentes. Revisada (Marijuana: Facts for Teens. Revised).  

ERIC Educational Resources Information Center

|Using a question and answer format, this booklet is designed to inform teens about the dangers of marijuana usage. Inset facts about marijuana and teen perspectives compliment the following topics: (1) What is marijuana? (2) How is marijuana used? (3) How long does marijuana stay in the user's body? (4) How many teens smoke marijuana? (5) Why do…

National Inst. on Drug Abuse (DHHS/PHS), Rockville, MD.

178

La Química y sus lenguajes: un aporte para interpretar errores de los estudiantes  

Microsoft Academic Search

During the last 30 years research in Natural Science learning has shown that students make explanations and predictions different from what scientists accept. The present work analyzes wrong drawings made by secondary students (16 years old) during assessment of their learning about the topic \\

Lydia Galagovsky; Diana Bekerman

2009-01-01

179

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

Microsoft Academic Search

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

Rafael Lorenzo Hechavarría Pérez

2011-01-01

180

Validez y confiabilidad de tres escalas para evaluar conductas sociales en preescolares y escolares  

Microsoft Academic Search

Resumen: Estudiamos la validez y confiabilidad de tres escalas para eva- luar conductas sociales niños y niñas costarricenses de preescolar y primer grado (n=262). Una de las escalas evalúa el comportamiento prosocial (ECPRO), otra evalúa la habilidad de explotar la experticia de los demás (EXHAD), y una más evalúa el comportamiento maquiavélico (EMach) en el ámbito escolar. Las escalas son

Odir Rodríguez Villagra; Michael Padilla Mora; Jaime Fornaguera Trías

2010-01-01

181

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

NASA Astrophysics Data System (ADS)

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

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

182

Información de respaldo para educadores  

Center for Food Safety and Applied Nutrition (CFSAN)

Text Version... Otras fuentes en el internet: www.foodsafety.gov US Partnership for Food Safety Education (Sociedad de educación sobre seguridad de los ... More results from www.fda.gov/downloads/food/foodborneillnesscontaminants

183

Seguridad alimentaria para futuras mamás  

Center for Food Safety and Applied Nutrition (CFSAN)

... Disfrute de eventos sociales mientras mantiene a su bebé por nacer a salvo de las bacterias transmitidas por los alimentos. ... More results from www.fda.gov/food/foodborneillnesscontaminants/peopleatrisk

184

Estudio de la fotoabsorción y fotoionización de la molécula de alta relevancia atmosférica no a través de los estados Rydberg con la metodología MQDO  

NASA Astrophysics Data System (ADS)

Los procesos de fotoionización son de una importancia fundamental [1] y encuentran aplicación en un gran número de contextos científicos: Astrofísica [2], química de las radiaciones, biología. Los investigadores de dichos campos, necesitan de valores de fiables de secciones eficaces para la fotoionización parcial, la Fotoabsorción, así como para los procesos de fotofragmentación en amplios intervalos espectrales, particularmente en estudios de modelización [3-5]. En este trabajo se ha centrado la atención sobre el oxido nítrico, que se ha considerado apropiado y relevante por varios motivos: por el trascendental papel que representa en la física y química de la alta atmosfera [6], aparte de por estar íntimamente relacionado con los problemas de contaminación. Los procesos de recombinación disociativa [7] del NO, donde los estados Rydberg se encuentran directamente implicados, son relevantes, por ejemplo, en las regiones E y F de la ionosfera [7]. En este trabajo se estudia la fotoionización del NO desde el estado fundamental con la versión molecular del método del orbital de defecto cuántico (MQDO). Para ello se calcula el diferencial de las fuerzas de oscilador parciales que constituyen los canales de fotoionización del NO desde el estado fundamental. La continuidad del diferencial de fuerza de oscilador calculada a través del umbral de fotoionización, esto es, en las regiones del espectro discreta y del continua, se adopta como criterio de calidad la escasez de datos comparativos [8].

Bustos, E.; Velasco, A. M.; Martín, I.; Lavín, C.

185

Informe a la nación indica que continúa la disminución de las tasas de mortalidad por cáncer que empezó a principios de los noventa; Una sección especial destaca los cánceres asociados al exceso de peso y a la falta de actividad física adecuada  

Cancer.gov

Los índices de mortalidad por todos los cánceres combinados para hombres, mujeres y niños siguieron bajando en Estados Unidos entre 2004 y 2008, según el Informe Anual a la Nación sobre el Estado del Cáncer de 1975 a 2008. El índice general de diagnósticos nuevos de cáncer, que se conoce también como incidencia, bajaron entre los hombres un promedio de 0,6% por año entre 2004 y 2008. Los índices generales de incidencia de cáncer entre las mujeres bajaron 0,5% por año de 1998 hasta 2006; estos índices se nivelaron de 2006 a 2008.

186

Los Angeles at Work: 1920-1939  

NSDL National Science Digital Library

An online photo gallery from the Los Angeles Public Library, Los Angeles at Work is a collection of captioned photographs documenting different jobs held by the men and women of LA from 1920 to 1939. The photographs were chosen from an archive of thousands of pictures taken by the staff of the Los Angeles Chamber of Commerce. The pithy captions describe the circumstances of the photos, highlight some of the details, and give the dates and locations of the photos. Click on the thumbnails of the pictures in order to enlarge them.

187

Underground science initiatives at Los Alamos  

SciTech Connect

Recently, the Los Alamos National Laboratory has proposed two major new initiatives in underground science. Following the dissolution of the original gallium solar neutrino collaboration, Los Alamos has formed a new North American collaboration. We briefly review the rationale for solar neutrino research, outline the proposal and new Monte Carlo simulations, and describe the candidate locations for the experiment. Because there is no dedicated deep underground site in North America suitable for a wide range of experiments, Los Alamos has conducted a survey of possible sites and developed a proposal to create a new National Underground Science Facility. This paper also reviews that proposal.

Simmons, L.M. Jr.

1985-01-01

188

La estrategia que salvó la imagen de un alcalde. El desalojo de los niños del Colegio Picacho? The srategy that saved a mayor's image. The violent eviction of the children os de Picacho School  

Microsoft Academic Search

Resumen: El desalojo de los alumnos del Colegio Picacho de una sala aneja a la alcaldía de Vigo, en la que se habían encerrado para reivindicar monitores de gimnasia y que provocó el paso por el hospital de 15 niños, algunos de los cuales permanecieron tres días en observación, fue un suceso cargado de emoción y con repercusión nacional que

Félix Blanco González

2009-01-01

189

USO DE LA WEB PARA EL APOYO DEL PROCESO ENSEÑANZA-APRENDIZAJE EN LA DISCIPLINA SANIDAD VEGETAL EN LA CARRERA DE INGENIERÍA AGRONÓMICA  

Microsoft Academic Search

Este artículo resume la utilización de una página web como complemento de los medios tradicionales (impresos y audiovisuales), empleado para el desarrollo del proceso de enseñanza-aprendizaje de la disciplina Sanidad Vegetal en la formación de ingenieros agrónomos. Como principales resultados se contribuye al logro de las habilidades necesarias propias de la disciplina, las cuales son indispensables para el futuro profesional

Carlos Pupo Feria; Gladia González Ramírez

2010-01-01

190

De las capacidades dinámicas como enfoque de la estrategia a la integración de competencias para la construcción de un entorno colaborativo Univ - Emp  

Microsoft Academic Search

Este artículo intenta mostrar la importancia de avanzar de un enfoque de capacidades dinámicas a uno de competencias, para construir una estrategia de entornos colaborativos que permita aprovechar los esfuerzos y las oportunidades de la relación universidad- empresa. Para tal fin, el documento está organizado en tres partes: la primera, es una revisión amplia de las perspectivas desde las cuales

Patricia Roncancio R

2011-01-01

191

Virtual instruments -- A Los Alamos experiment.  

National Technical Information Service (NTIS)

Changing priorities, shrinking budgets, reduced personnel, and collapsed time schedules in post-Cold War Los Alamos have forced project managers to face software ''time-to-market'' issues similar to their commercial counterparts. Programs that are funded ...

N. S. Khalsa

1995-01-01

192

Publications of Los Alamos research 1988  

SciTech Connect

This bibliography lists unclassified publications of work done at the Los Alamos National Laboratory for 1988. The entries, which are subdivided by broad subject categories, are cross-referenced with an author index and a numeric index.

Varjabedian, K.; Dussart, S.A.; McClary, W.J.; Rich, J.A. (comps.)

1989-12-01

193

New Rad Lab for Los Alamos  

ScienceCinema

The topping out ceremony for a key construction stage in the Los Alamos National Laboratory's newest facility, the Radiological Laboratory Utility & Office Building. This is part of the National Nu...  

194

COMPOSITION OF AEROSOLS OVER LOS ANGELES FREEWAYS  

EPA Science Inventory

In October of 1976, aerosol particulate samples were collected while driving on Los Angeles freeways and were analyzed for sulfate, nitrate, and elemental composition. The measurements indicate that neither nitrate nor sulfate concentrations increased significantly over the roadw...

195

Multimodal Arterial LOS Modeling and Testing.  

National Technical Information Service (NTIS)

The Highway Capacity and Quality and Service Committee has extensively deliberated the multimodal level of service (LOS) models resulting from the recently completed NCHRP 3-70 project, and has tentatively approved the bus, bicycle, and pedestrian models ...

B. Landis B. Perez J. Barrios P. McLeod S. S. Washburn

2009-01-01

196

Environmental surveillance at Los Alamos during 1994  

SciTech Connect

This report describes environmental monitoring activities at Los Alamos National Laboratory for 1994. Data were collected to assess external penetrating radiation, airborne emissions, liquid effluents, radioactivity of environmental materials and food stuffs, and environmental compliance.

NONE

1996-07-01

197

Los Alamos National Laboratory's Find a Job  

NSDL National Science Digital Library

This page offers a considerable listing of positions available at the Los Alamos National Laboratory (LANL). Subheadings for employment include Regular, Limited-Term, Postdoctoral, Graduate Student, Undergraduate Student, High school Student, and Contract/ Secretarial Pool.

198

Los Angeles Electricity Rate Study. Final Report.  

National Technical Information Service (NTIS)

This volume contains the following reports (with their publication dates noted): Design of the Los Angeles Peak-Load Pricing Experiment for Electricity, November 1974; Peak-Load Pricing in Selected European Electric Utilities, July 1977; Lessons to be lea...

J. P. Acton B. M. Mitchell

1980-01-01

199

Seguridad de los alimentos: Es especialmente importante ...  

Center for Food Safety and Applied Nutrition (CFSAN)

... por los alimentos durante el embarazo son graves y pueden llevar a un aborto espontáneo, a un parto prematuro, que el bebé nazca muerto, a ... More results from www.fda.gov/food/foodborneillnesscontaminants/peopleatrisk

200

Volcanology at the Los Alamos Scientific Laboratory.  

National Technical Information Service (NTIS)

This mini-review briefly describes the research conducted at Los Alamos Scientific Laboratory (LASL) on various areas in volcanology. Areas of research include volcanic hazard analysis, the climatic effects of volcanic eruptions, young volcanic fields as ...

G. Heiken

1980-01-01

201

Publications of Los Alamos Research 1980.  

National Technical Information Service (NTIS)

This bibliography is a compilation of unclassified publications of work done at the Los Alamos National Laboratory for 1980. Papers published in 1980 are included regardless of when they were actually written. Publications received too late for inclusion ...

C. A. Salazar J. K. Willis

1981-01-01

202

Internship at Los Alamos National Laboratory  

SciTech Connect

Los Alamos National Laboratory (LANL) is located in Los Alamos, New Mexico. It provides support for our country's nuclear weapon stockpile as well as many other scientific research projects. I am an Undergraduate Student Intern in the Systems Design and Analysis group within the Nuclear Nonproliferation division of the Global Security directorate at LANL. I have been tasked with data analysis and modeling of particles in a fluidized bed system for the capture of carbon dioxide from power plant flue gas.

Dunham, Ryan Q. [Los Alamos National Laboratory

2012-07-11

203

82. FIRST AND SECOND AQUEDUCTS LOOKING NORTHEAST Los Angeles ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

82. FIRST AND SECOND AQUEDUCTS LOOKING NORTHEAST - Los Angeles Aqueduct, From Lee Vining Intake (Mammoth Lakes) to Van Norman Reservoir Complex (San Fernando Valley), Los Angeles, Los Angeles County, CA

204

47. LINED SECTION OF AQUEDUCT LOOKING NORTHWEST, COTTONWOOD Los ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

47. LINED SECTION OF AQUEDUCT LOOKING NORTHWEST, COTTONWOOD - Los Angeles Aqueduct, From Lee Vining Intake (Mammoth Lakes) to Van Norman Reservoir Complex (San Fernando Valley), Los Angeles, Los Angeles County, CA

205

78. SECOND AQUEDUCT LOOKING SOUTH NEAR PINETREE SIPHON Los ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

78. SECOND AQUEDUCT LOOKING SOUTH NEAR PINETREE SIPHON - Los Angeles Aqueduct, From Lee Vining Intake (Mammoth Lakes) to Van Norman Reservoir Complex (San Fernando Valley), Los Angeles, Los Angeles County, CA

206

84. LA AQUEDUCT CROSSING CALIFORNIA AQUEDUCT LOOKING NORTH Los ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

84. LA AQUEDUCT CROSSING CALIFORNIA AQUEDUCT LOOKING NORTH - Los Angeles Aqueduct, From Lee Vining Intake (Mammoth Lakes) to Van Norman Reservoir Complex (San Fernando Valley), Los Angeles, Los Angeles County, CA

207

87. AQUEDUCT IN COVERED CONDUIT LOOKING NORTHWEST Los Angeles ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

87. AQUEDUCT IN COVERED CONDUIT LOOKING NORTHWEST - Los Angeles Aqueduct, From Lee Vining Intake (Mammoth Lakes) to Van Norman Reservoir Complex (San Fernando Valley), Los Angeles, Los Angeles County, CA

208

Orientação para o Setor Hortifrutícola Guia para Minimização ...  

Center for Food Safety and Applied Nutrition (CFSAN)

... Significa a aplicação cumulativa de calor ou produtos químicos em superfícies de contato com alimento limpas, que é suficiente para reduzir as ... More results from www.fda.gov/food/guidanceregulation/guidancedocumentsregulatoryinformation

209

Neurobiolog?a de la impulsividad y los trastornos de la conducta alimentaria*  

PubMed Central

Resumen Introducción La impulsividad es un rasgo de personalidad multidimensional relacionado con el control del comportamiento y las emociones. Está presente de manera diversa en los trastornos de la conducta alimentaria, particularmente, en la bulimia nerviosa (BN). Aunque la relación entre la impulsividad y BN ha sido objeto de numerosas investigaciones, en la actualidad se desconocen los sustratos neurobiológicos de esta relación. Objetivos Discutir críticamente la evidencia que sugiere que las alteraciones en los sistemas neuronales relacio-nados con las funciones ejecutivas, con la formación de preferencias y con la regulación de los estados emocionales sirven como base para el rasgo de personalidad impulsiva, así como su estado en subgrupos de pacientes con BN. Métodos Búsqueda selectiva de la literatura relevante. Resultados y conclusiones Esta discusión ilustra la complejidad de la relación entre la impulsividad y BN, donde la impulsividad actúa como un factor de vulnerabilidad que puede sensibilizar al sujeto con BN a estados emocionales negativos, durante los cuales modifica el impacto de estímulos internos y externos sobre el comportamiento y su regulación, favoreciendo así patrones de comportamiento maladaptativos e inflexibles.

Orozco-Cabal, Luis Felipe; Herin, David

2009-01-01

210

Produce para-xylene economically  

SciTech Connect

During the last three years, some startling changes have occurred in the para-xylene market. Faced with a steady growth in demand and a shortfall in supply, the market saw spot and contract prices rise from $400/MT to historically high levels of $2,000 and $800/MT, respectively. This increase propelled the installation of a significant amount of new capacity in the form of grassroots units and expansions of existing facilities. In the first half of 1996, destocking downstream in the polyester chain began to soften the demand for para-xylene. This destocking, coupled with more aggressive positions being taken by buyers in anticipation of new capacity coming on-stream, caused para-xylene prices to fall almost as precipitously as they rose. Although the fundamental drivers for para-xylene demand remain strong, para-xylene producers are again in the position of having to compete for market share on the basis of product quality, low cost of production, and economics of scale. This situation is exacerbated by tight feedstock supply and the changing demand for some of the key byproducts of para-xylene production.

D`Auria, J.H.; Stoodt, T.J. [UOP, Des Plaines, IL (United States)

1997-04-01

211

Tomografía computarizada (TC) y exploraciones para cáncer  

Cancer.gov

Hoja informativa que describe el procedimiento y la tecnología de exploraciones con tomografía computarizada así como sus usos para el diagnóstico, para exámenes de detección y para tratamiento del cáncer.

212

The Effects of Los Angeles Universal Preschool on Quality Preschool Teacher Retention in Los Angeles County  

ERIC Educational Resources Information Center

|The purpose of this study was to determine if the implementation of Los Angeles Universal Preschool (LAUP) programs has a positive effect on the retention of quality preschool teachers in Los Angeles County. In prior work, preschool teacher retention is associated with wages, program structure, program process, professional development, and…

Lopez Stevens, Holly Anne

2010-01-01

213

Publications of Los Alamos research 1980  

SciTech Connect

This bibliography is a compilation of unclassified publications of work done at the Los Alamos National Laboratory for 1980. Papers published in 1980 are included regardless of when they were actually written. Publications received too late for inclusion in earlier compilations have also been listed. Declassification of previously classified reports is considered to constitute publication. All classified issuances are omitted-even those papers, themselves unclassified, which were published only as part of a classified document. If a paper was pubished more than once, all places of publication are included. The bibliography includes Los Alamos National Laboratory reports, papers released as non-laboratory reports, journal articles, books, chapters of books, conference papers published either separately or as part of conference proceedings issued as books or reports, papers published in congressional hearings, theses, and US patents. Publications by Los Alamos authors that are not records of Laboratory-sponsored work are included when the Library becomes aware of them.

Salazar, C.A.; Willis, J.K. (comps.) [comps.

1981-09-01

214

Status of Monte Carlo at Los Alamos  

SciTech Connect

At Los Alamos the early work of Fermi, von Neumann, and Ulam has been developed and supplemented by many followers, notably Cashwell and Everett, and the main product today is the continuous-energy, general-purpose, generalized-geometry, time-dependent, coupled neutron-photon transport code called MCNP. The Los Alamos Monte Carlo research and development effort is concentrated in Group X-6. MCNP treats an arbitrary three-dimensional configuration of arbitrary materials in geometric cells bounded by first- and second-degree surfaces and some fourth-degree surfaces (elliptical tori). Monte Carlo has evolved into perhaps the main method for radiation transport calculations at Los Alamos. MCNP is used in every technical division at the Laboratory by over 130 users about 600 times a month accounting for nearly 200 hours of CDC-7600 time.

Thompson, W.L.; Cashwell, E.D.

1980-01-01

215

Publications of Los Alamos Research, 1983  

SciTech Connect

This bibliography is a compilation of unclassified publications of work done at the Los Alamos National Laboratory for 1983. Papers published in 1982 are included regardless of when they were actually written. Publications received too late for inclusion in earlier compilations have also been listed. Declassification of previously classified reports is considered to constitute publication. All classified issuances are omitted - even those papers, themselves unclassified, which were published only as part of a classified document. If a paper was published more than once, all places of publication are included. The bibliography includes Los Alamos National Laboratory reports, papers released as non-Laboratory reports, journal articles, books, chapters of books, conference papers either published separately or as part of conference proceedings issued as books or reports, papers publishd in congressional hearings, theses, and US patents. Publications by Los Alamos authors that are not records of Laboratory-sponsored work are included when the Library becomes aware of them.

Sheridan, C.J.; McClary, W.J.; Rich, J.A.; Rodriguez, L.L. (comps.)

1984-10-01

216

SEDs at Los Alamos: A Personal Memoir  

NASA Astrophysics Data System (ADS)

I have written this personal memoir approximately 55 years after the events I describe. It is based almost exclusively on memory, since apart from the diary I kept while on Tinian, I have few documents concerning it. It covers my service in the U.S. Army's Special Engineering Detachment (SED) in Oak Ridge and Los Alamos in 1944-45, on Tinian island, the launching pad for the bombing raids on Japan, in the summer and fall of 1945, and my return to Los Alamos until my discharge in January 1946.

Bederson, Benjamin

2001-03-01

217

Los Angeles Community Colleges Student Characteristics, Fall 1997.  

ERIC Educational Resources Information Center

This report documents Los Angeles Community Colleges' student characteristics. It begins with a glossary providing specific definitions for the student characteristic criteria. Descriptive summaries and tables of student characteristic data are provided for the Los Angeles Community College District, Los Angeles City College, East Los Angeles…

Tillberg, Rebecca; Crespo, Sarah P.; Lagrimas, Joseph

218

Monica Griesbach, Photographer August 1997. DETAIL OF LOS ANGELES CITY ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Monica Griesbach, Photographer August 1997. DETAIL OF LOS ANGELES CITY HALL THIRD FLOOR SESSION ROOM OF THE BOARD OF PUBLIC WORKS SHOWING COLUMNS, CAPITALS, CEILING AND LIGHTS, FACING NORTHEAST - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

219

Monica Griesbach, Photographer August 1997. DETAIL OF LOS ANGELES CITY ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Monica Griesbach, Photographer August 1997. DETAIL OF LOS ANGELES CITY HALL THIRD FLOOR SESSION ROOM OF THE BOARD OF PUBLIC WORKS SHOWING COLUMNS, CAPITALS, CEILING AND LIGHTS, FACING NORTHEAST. - Los Angeles City Hall, 200 North Spring Street, Los Angeles, Los Angeles County, CA

220

Los Alamos upgrade in metallographic capabilities  

SciTech Connect

The Los Alamos Wing 9 hot cell metallographic sample preparation and examination capability is being upgraded. The present capability to grind, polish, and etch samples from reactor fuels and materials has been in operation for 18 years. Upgraded capabilities in the sodium distillation unit and the grinding and polishing facilities and innovations in blister design for microstructural examinations are described in the paper.

Ledbetter, J.M.; Dowler, K.E.; Cook, J.H.

1985-11-01

221

Recent Development in Pyrochemistry at Los Alamos.  

National Technical Information Service (NTIS)

Recent developments in pyrochemical processing at Los Alamos include the recovery of plutonium from anodes and impure metal by pyroredox and new molten salt handling and purification techniques. The anode is dissolved in a ZnCl sub 2 KCl salt to form PuCl...

J. A. McNeese K. W. Fife J. D. Williams

1984-01-01

222

Hot Dry Rock Overview at Los Alamos  

Microsoft Academic Search

The Hot Dry Rock (HDR) geothermal energy program is a renewable energy program that can contribute significantly to the nation's balanced and diversified energy mix. Having extracted energy from the first Fenton Hill HDR reservoir for about 400 days, and from the second reservoir for 30 days in a preliminary test, Los Alamos is focusing on the Long Term Flow

Michael Berger; Robert H. Hendron

1989-01-01

223

Counting the homeless in Los Angeles County  

Microsoft Academic Search

Over the past two decades, a variety of methods have been used to count the homeless in large metropolitan areas. In this paper, we report on an effort to count the homeless in Los Angeles County, one that employed the sampling of census tracts. A number of complications are discussed, including\\\\^{E} the need to impute homeless counts to areas of

Richard Berk; Brian Kriegler; Donald Ylvisaker

2008-01-01

224

Publications of Los Alamos research 1988.  

National Technical Information Service (NTIS)

This bibliography lists unclassified publications of work done at the Los Alamos National Laboratory for 1988. The entries, which are subdivided by broad subject categories, are cross-referenced with an author index and a numeric index. (ERA citation 15:0...

K. Varjabedian S. A. Dussart W. J. McClary J. A. Rich

1989-01-01

225

Los Alamos National Laboratory computer benchmarking 1988  

Microsoft Academic Search

This report summarizes the results of computer performance evaluations as measured by the Computer Research and Applications Group of the Los Alamos National Laboratory. The benchmarks were conducted between December 1986 and July 1988. Important characteristics of the machines tested are given, and execution times or megaflop rates for a set of portable Fortran 77 benchmark codes are listed. A

H. J. Wasserman

1988-01-01

226

Los Alamos Forest Fire Impact Modeling  

NASA Astrophysics Data System (ADS)

A controlled burn at Bandelier National Monument got out of control and burned about 43,000 acres (17,400 hectares) near Los Alamos, New Mexico, in May 2000. The wildfire caused dramatic changes in infiltration capacity and wettability of soils in many of the watersheds above Los Alamos National Laboratory (LANL) and destroyed the "duff" layer, dramatically reducing the interception and infiltration capacity of the formerly forested watersheds. These sudden changes in basin hydrology necessitated a rapid assessment of hydrology and hydraulics for the canyons running through LANL property to evaluate flood risk, plan emergency flood protection measures, and assess potential sediment and actinide transport. This paper presents the results of hydrologic and hydraulic modeling of Los Alamos Canyon following the wildfire. The large scale modeling effort, with over 13,000 cross sections for the hydraulic model (5,000 for Los Alamos Canyon, 8,000 for Guaje Canyon), relied heavily on a geographic information system (GIS) for model input and floodplain delineation. The HEC-geoRAS model provided good integration between the hydraulic model (HEC-RAS, Version 3.0.1) and the GIS (ArcView, v. 3.3). These modeling results are being used in drainage master planning efforts at LANL and in the development of sediment transport models using HEC-6T. Sediment transport modeling results will be used to develop actinide transport models for the canyons at LANL.

Earles, T. Andrew; Wright, Kenneth R.; Brown, Christopher; Langan, Thomas E.

2004-04-01

227

Los Alamos National Laboratory solar program  

SciTech Connect

Progress is reported for passive solar tasks performed at the Los Alamos National Laboratory during FY 1982. Results on test cell experiments for the 1981-1982 winter are reported, as are Class A performance monitoring, passive cooling, both residential and commercial economic cooling assessments, and thermal effects of distributed mass in passive buildings.

Reisfeld, S.K.; Neeper, D.A.

1982-01-01

228

Los Alamos Science, Number 23, 1995.  

National Technical Information Service (NTIS)

Contents: Radiation, Cancer, and Risk--Three Primers; Ionizing Radiation--It's Everywhere; Radiation, Cell Cycle, and Cancer; Radiation and Risk: A Hard Look at the Data; On the Front Lines--A Rountable with Los Alamos Plutonium Workers Past and Present; ...

N. G. Cooper

1995-01-01

229

EL ESTADO EN LOS MONTES DE MARIA  

Microsoft Academic Search

Se pretende en el presente trabajo, mostrar las carcatristicas que presenta el Estado en los Montes de María (1) (departamentos de Sucre y Bolívar, republica de Colombia), en el cual se resalta la naturaleza mafiosa y politiquera de un Estado que ya no existe como tal y que se ha convertido en feudos de la politiquería local. Igualmente, se hace

Daniel Menco Rivera

2009-01-01

230

Microfiltration goes Hollywood: the Los Angeles experience  

Microsoft Academic Search

Faced with the need for additional treatment of its finished water stored in the Hollywood Reservoirs, the Los Angeles Department of Water and Power evaluated the efficacy of microf iltration (MF) to meet the requirements of the Surface Water Treatment Rule. This evaluation included a pilot test to assess the MF process and to define the design parameters (flux and

Ali A. Karimi; James C. Vickers; Richard F. Harasick

1999-01-01

231

Optics Code Development at Los Alamos.  

National Technical Information Service (NTIS)

This paper is an overview of part of the beam optics code development effort in the Accelerator Technology Division at Los Alamos National Laboratory. The aim of this effort is to improve our capability to design advanced beam optics systems. The work rep...

C. T. Mottershead W. P. Lysenko

1988-01-01

232

Los Compadres: ESL Student Mentor Program.  

ERIC Educational Resources Information Center

Los Compadres is a program that pairs advanced high school Spanish students with elementary English-as-a-Second-Language native Spanish speakers. Teachers prepare lessons based upon authentic literature, written in English and Spanish, which include vocabulary review and literature response activities. The high school students prepare for the…

Coryell, Joellen; Gonzales, Edna; Claudia, Cary; Cisneros, Joe

233

Los Compadres: ESL Student Mentor Program.  

ERIC Educational Resources Information Center

|Los Compadres is a program that pairs advanced high school Spanish students with elementary English-as-a-Second-Language native Spanish speakers. Teachers prepare lessons based upon authentic literature, written in English and Spanish, which include vocabulary review and literature response activities. The high school students prepare for the…

Coryell, Joellen; Gonzales, Edna; Claudia, Cary; Cisneros, Joe

234

Los Alamos National Laboratory Waste Management Program  

Microsoft Academic Search

Los Alamos National Laboratory's (LANL) waste management program is responsible for disposition of waste generated by many of the LANL programs and operations. LANL generates liquid and solid waste that can include radioactive, hazardous, and other constituents. Where practical, LANL hazardous and mixed wastes are disposed through commercial vendors; low-level radioactive waste (LLW) and radioactive asbestos-contaminated waste are disposed on

G. M. Lopez-Escobedo; K. M. Hargis; C. R. Douglass

2007-01-01

235

CALDERÓN'S LOS CABELLOS DE ABSALÓN: A REAPPRAISAL  

Microsoft Academic Search

Calderón's Los cabellos de Absalón, based on the Biblical story of King David and his eldest son Amnon who rapes his half-sister, Thamar, and who is murdered in consequence by her brother Absalom, has generally been acknowledged as a moving tragedy, but no one has yet made a successful attempt to define its tragic character in any detail or to

Gwynne Edwards

1971-01-01

236

Clasificación de los herbicidas  

NSDL National Science Digital Library

Esta lección se enfoca en entender el sistema de clasificación en el cual están organizados los herbicidas. Terminología como clasificación, jerarquía de clasificación, ejemplos de clasificación y un breve resumen de los ocho modos de acción, se discuten en esta lección. Una vez que esto se entiende, es mucho más fácil comprender herbicidas similares y saber por qué estos pueden exhibir ciertos síntomas en malezas y cultivos. Objetivos:Entender la forma en que se clasifican los herbicidas y su importancia en el manejo de la resistencia herbicidaEntender la importancia de la clasificación de los herbicidas por modo de acción, en vez de familiasSer capaz de entender la diferencia entre modo de acción y sitio de acciónSer capaz de diferenciar entre familias de herbicidas, modos de acción, y sitios de acciónEntender nombre común, nombres comerciales y sitios de absorción

237

Proceedings of the Los Alamos Neutrino Workshop.  

National Technical Information Service (NTIS)

A workshop on neutrino physics was held at Los Alamos from June 8 to 12, 1981. The material presented has been provided in part by the organizers, in part by the chairmen of the working sessions. Closing date for contributions was October 1981. (ERA citat...

F. Boehm G. J. Stephenson

1982-01-01

238

Latina Adolescent Childbearing in East Los Angeles.  

ERIC Educational Resources Information Center

|This book is about teenage pregnancy among Latina teenagers in East Los Angeles (California). It focuses on teenage pregnancy and motherhood among economically disadvantaged Latinas aged 17 and under. The young mothers in this study were participants in a series of intervention efforts to prevent repeat pregnancy at a family planning clinic. This…

Erickson, Pamela I.

239

New Management Thrust at Los Rios  

ERIC Educational Resources Information Center

|Describes the management practices adopted by the Los Rios Community College District (California) as a result of the passage of the Jarvis-Gann tax initiative. Alterations included reorganization of upper management structure, full budget disclosures, collective bargaining, merit pay concept for administrative staff, and the creation of a…

Klapstein, Earl L.

1978-01-01

240

Induction inserts at the Los Alamos PSR  

SciTech Connect

Ferrite-loaded induction tuners installed in the Los Alamos Proton Storage Ring have been successful in compensating space-charge effects. However, the resistive part of the ferrite introduces unacceptable microwave instability and severe bunch lengthening. An effective cure was found by heating the ferrite cores up to {approx} 130 C. An understanding of the instability and cure is presented.

King-Yuen Ng

2002-09-30

241

Powering Los Angeles with renewable energy  

NASA Astrophysics Data System (ADS)

The City of Los Angeles is nearly two thirds of the way towards its goal of generating a third of its electricity from renewable sources by 2020; cities around the world can glean valuable technical, economic and political lessons from its experience.

Villaraigosa, Mayor Antonio R.; Sivaram, Varun; Nichols, Ron

2013-09-01

242

Gestión por competencias: importante para las pymes maquila de pantalón en índigo en la ciudad de Bogotá  

Microsoft Academic Search

Este artículo presenta una revisión de literatura internacional y nacional, sobre temas como el de competencias, los tipos de competencias, competencias laborales y proceso de implementación de la gestión por competencias. Adicionalmente, se muestra la reseña sobre la gestión por competencias en Colombia, así como la metodología utilizada para el trabajo de campo con relación al tema del artículo y

Nathalia Andrea Martínez Valero; Juan Carlos Rincón Gaviria

2010-01-01

243

Organización del trabajo y diseño del sistema de pago para la actividad de preparacion de materia prima  

Microsoft Academic Search

El presente trabajo fue realizado con el objetivo de resolver o disminuir el efecto negativo de dos problemas fundamentales que existían en la Fábrica de Tabacos Torcidos a mano para la Exportación Camajuaní, los cuales consistían en : 1ro La mala calidad de la materia prima y 2do El salario recibido por el grupo de trabajadores encargados de la preparación

Alexis Águila Espinosa; Silvia López Hernández

2010-01-01

244

Sistema Solar: de la observación de La Tierra a los planetas gigantes y sus lunas  

NASA Astrophysics Data System (ADS)

La fotoquímica tiene un papel principal en la composición de las atmósferas planetarias. Se examinan diferentes procesos fotoquímicos tanto para atmósferas oxidadas como reductoras, poniendo un especial énfasis en los ciclos químicos más importantes. En este sentido, se presentan diferentes ciclos químicos capaces de producir hidrocarbonos y nitrilos en atmósferas reductoras, así como aquellos capaces de mantener las proporciones de mezcla de las moléculas que contienen oxígeno, tales como CO2, O2 y H2O. También se analizan otros procesos importantes tales como la condensación y procesos de sputtering y de sublimación que han de tenerse en cuenta cuando se realizan modelos sobre la composición atmosférica.

Rodrigo, R.

245

La demanda por combustible y el impacto de la contaminación al interior de los hogares sobre la salud: el caso de Guatemala  

Microsoft Academic Search

El consumo de leña para la preparación de alimentos es aún común en algunos países en desarrollo. La exposición a la contaminación dentro de los hogares, causada por la quema de este combustible en estufas sin sistemas de ventilación adecuados, aumenta la probabilidad de adquirir enfermedades respiratorias agudas. En este trabajo, se construye un modelo de decisión de hogares que

Martínez Mariana

2003-01-01

246

LA DEMANDA POR COMBUSTIBLE Y EL IMPACTO DE LA CONTAMINACIÓN AL INTERIOR DE LOS HOGARES SOBRE LA SALUD: EL CASO DE GUATEMALA  

Microsoft Academic Search

El consumo de leña para la preparación de alimentos es aún común en algunos países en desarrollo. La exposición a la contaminación dentro de los hogares, causada por la quema de este combustible en estufas sin sistemas de ventilación adecuados, aumenta la probabilidad de adquirir enfermedades respiratorias agudas. En este trabajo, se construye un modelo de decisión de hogares que

MARIANA MARTÍNEZ CUÉLLAR

2003-01-01

247

Comportamiento Sexual y Autoeficacia para la Negociaci?n de Sexo M?s Seguro en Personas Heterosexuales  

PubMed Central

La autoeficacia se le ha identificado como uno de los factores que puede facilitar o dificultar llevar a cabo sexo más seguro. Estudios revelan que las personas que están el relaciones estables usan métodos de protección menos frecuente que quienes tienen parejas casuales. Realizamos un estudio con 447 personas heterosexuales activas sexualmente. Les administramos un cuestionario dirigido a medir el comportamiento sexual, el uso del condón masculino y la práctica de la masturbación mutua, y la autoeficacia para llevar a cabo estas conductas. Los resultados reflejan que los hombres están más activos sexualmente y que el uso del condón y la práctica de la masturbación mutua como alternativa de sexo más seguro es muy baja. En los casos donde se usa el condón esta práctica es realizada en su mayoría por las personas que se encuentran en una relación de pareja casual. No obstante, los/las participantes tienen altos niveles de autoeficacia hacia ambas prácticas. Aunque la autoeficacia es uno de los factores que incide en decidir llevar a cabo sexo más seguro, ésta no es suficiente para que esta meta se logre.

Perez-Jimenez, David; Santiago-Rivas, Marimer; Serrano-Garcia, Irma

2012-01-01

248

Nuclear Forensics at Los Alamos National Laboratory  

SciTech Connect

The overview of this presentation is: (1) Introduction to nonproliferation efforts; (2) Scope of activities at Los Alamos National Laboratory; (3) Facilities for radioanalytical work at LANL; (4) Radiochemical characterization capabilities; and (5) Bulk chemical and materials analysis capabilities. Some conclusions are: (1) Analytical chemistry measurements on plutonium and uranium matrices are critical to numerous defense and non-defense programs including safeguards accountancy verification measurements; (2) Los Alamos National Laboratory operates capable actinide analytical chemistry and material science laboratories suitable for nuclear material forensic characterization; (3) Actinide analytical chemistry uses numerous means to validate and independently verify that measurement data quality objectives are met; and (4) Numerous LANL nuclear facilities support the nuclear material handling, preparation, and analysis capabilities necessary to evaluate samples containing nearly any mass of an actinide (attogram to kilogram levels).

Podlesak, David W [Los Alamos National Laboratory; Steiner, Robert E. [Los Alamos National Laboratory; Burns, Carol J. [Los Alamos National Laboratory; LaMont, Stephen P. [Los Alamos National Laboratory; Tandon, Lav [Los Alamos National Laboratory

2012-08-09

249

Water Supply at Los Alamos during 1997  

SciTech Connect

Production of potable municipal water supplies during 1997 totaled about 1,285.9 million gallons from wells in the Guaje, Pajarito, and Otowi well fields. There was no water used from the spring gallery in Water Canyon or from Guaje Reservoir during 1997. About 2.4 million gallons of water from Los Alamos Reservoir was used to irrigate public parks and recreational lands. The total water usage in 1997 was about 1,288.3 million gallons, or about 135 gallons per day per person living in Los Alamos County. Groundwater pumpage was down about 82.2 million gallons in 1997 compared with the pumpage in 1996. Four new replacement wells were drilled and cased in Guaje Canyon between October 1997 and March 1998. These wells are currently being developed and aquifer tests are being performed. A special report summarizing the geological, geophysical, and well construction logs will be issued in the near future for these new wells.

M. N. Maes; S. G. McLin; W. D. Purtymun

1998-12-01

250

Recent development in pyrochemistry at Los Alamos  

Microsoft Academic Search

Recent developments in pyrochemical processing at Los Alamos include the recovery of plutonium from anodes and impure metal by pyroredox and new molten salt handling and purification techniques. The anode is dissolved in a ZnClâ KCl salt to form PuClâ and a zinc and impurities button. Calcium reduction of the PuClâ yields 95 to 98% pure plutonium. New techniques for

J. A. McNeese; K. W. Fife; J. D. Williams

1984-01-01

251

Los Alamos synchronous orbit data set  

SciTech Connect

Energetic electron (30-15000 keV) and proton 145 keV to 150 MeV) measurements made by Los Alamos National Laboratory sensors at geostationary orbit (6.6 R/sub E/) are summarized. The instrumentation employed and the satellite positions are described. The spacecraft have been variously located, but in their present configuration the Los Alamos satellites designated 1976-059, 1977-007, and 1979-053 are located, respectively, at approx. 70/sup 0/W, approx. 70/sup 0/E, and approx. 135/sup 0/W longitude. Several examples of the high temporal and full three-dimensional spatial measurement capabilities of these instruments are illustrated by examples from the published literature. Discussion is also given for the Los Alamos Synoptic Data Set (SDS) which gives a broad overview of the Los Alamos geostationary orbit measurements. The SDS data are plotted in terms of daily average spectra, 3-hour local time averages, and in a variety of statistical formats. The data summarize conditions from mid-1976 through 1978 (S/C 1976-059) and from early 1977 through 1978 (S/C 1977-007). The SDS compilations presented correspond to measurements at 35/sup 0/W, 70/sup 0/W, and 135/sup 0/W geographic longitude and thus are indicative of conditions at 9/sup 0/, 11/sup 0/, and 4.8/sup 0/ geomagnetic latitude, respectively. The bulk of the SDS report presents data plots which are organized according to Carrington solar rotations and, as such, the data are readily comparable to solar rotation-dependent interplanetary conditions. Potential applications of the Synoptic Data Set (available to all interested users in June 1981) are discussed.

Baker, D.N.; Higbie, P.R.; Belian, R.D.; Hones, E.W.; Klebesadel, R.W.

1981-01-01

252

Neustonic Plastic in the Los Angeles River  

Microsoft Academic Search

The characterization of neustonic plastic found in the Los Angeles River was completed in this study. 3 water samples were collected from the river on April 30, 2011 in Long Beach, CA using a 0.5 mm manta trawl. The plastic was separated from organic material, divided into 3 class sizes (0.5 mm, 1.4 mm, and 2.44 mm), and identified and

Annie M Tran

2012-01-01

253

Amphibians and Reptiles of Los Alamos County  

SciTech Connect

Recent studies have shown that amphibians and reptiles are good indicators of environmental health. They live in terrestrial and aquatic environments and are often the first animals to be affected by environmental change. This publication provides baseline information about amphibians and reptiles that are present on the Pajarito Plateau. Ten years of data collection and observations by researchers at Los Alamos National Laboratory, the University of New Mexico, the New Mexico Department of Game and Fish, and hobbyists are represented.

Teralene S. Foxx; Timothy K. Haarmann; David C. Keller

1999-10-01

254

Los Alamos constant-Q spectrometer  

SciTech Connect

A constant-Q spectrometer, which has been installed on the pulsed source of the Los Alamos Neutron Scattering Center, is described. It features a number of innovations that ease sample and analyser alignment and a novel composite crystal analyzer which exploits the mosaic properties of plastically deformed germanium in a new way. Observations of phonon dispersion in aluminium and of incoherent scattering in ZrH/sub 2/ are reported, along with background measurements. 11 refs., 5 figs., 1 tab.

Robinson, R.A.; Pynn, R.; Eckert, J.; Goldstone, J.A.

1985-01-01

255

The Los Alamos advanced hadron facility  

SciTech Connect

A brief discussion of the plans for the Los Alamos Advanced Hadron Facility (AHF) will be presented. The plans include a 60-GeV proton main ring and two intense lower energy proton beams (1.6 GeV) for a pulsed-neutron source and low duty factor neutrino source. Brief remarks will be made about the physics program and funding status. 10 refs., 3 figs., 6 tabs.

Garvey, G.T.

1989-01-01

256

NIST--Los Alamos racetrack microtron status  

Microsoft Academic Search

The NIST-Los Alamos Racetrack Microtron (RTM) is designed to deliver a low-emittance electron beam of up to 0.5 mA cw over an energy range of 17 MeV to 185 MeV. Fed by a 5 MeV injector, the RTM contains two 180\\/degree\\/ end magnets that recirculate the beam up to 15 times through a 12 MeV RF linac. The linac, which

M. A. Wilson; R. L. Ayres; R. I. Cutler; P. H. Debenham; E. R. Lindstrom; D. L. Mohr; S. Penner; J. E. Rose; L. M. Young

1988-01-01

257

The Los Alamos accelerator code group  

SciTech Connect

The Los Alamos Accelerator Code Group (LAACG) is a national resource for members of the accelerator community who use and/or develop software for the design and analysis of particle accelerators, beam transport systems, light sources, storage rings, and components of these systems. Below the authors describe the LAACG`s activities in high performance computing, maintenance and enhancement of POISSON/SUPERFISH and related codes and the dissemination of information on the INTERNET.

Krawczyk, F.L.; Billen, J.H.; Ryne, R.D.; Takeda, Harunori; Young, L.M.

1995-05-01

258

Actitudes de los candidatos y maestros de ciencias en servicio acerca del uso de las herramientas computadorizadas en las clases de ciencias  

NASA Astrophysics Data System (ADS)

Este estudio examino y comparo las actitudes de los candidatos a maestros de ciencias y los maestros de ciencias en servicio acerca de la utilizacion de las herramientas computadorizadas en las clases de ciencias. Tambien identifico y diferencio el uso que ellos dan a estas herramientas en las clases de ciencias. Este estudio presenta un diseno descriptivo exploratorio. Constituyeron la muestra trescientos diez sujetos que fueron candidatos a maestros de ciencias o maestros de ciencias en servicio. Para recoger los datos se construyo y valido un cuestionario de treinta y un itemes. Se utilizaron las pruebas estadisticas no parametricas Kruskal Wallis y Chi-cuadrado (test de homogeneidad) para establecer las diferencias entre las actitudes de los sujetos con relacion al uso de las herramientas computadorizadas en las clases de ciencias. Los hallazgos evidenciaron que son positivas y muy parecidas las actitudes de los candidatos a maestros y maestros en servicio hacia el uso de las herramientas computadorizadas. No hubo diferencias entre los candidatos y maestros en servicio en terminos de las actitudes de confianza y empatia hacia el uso de las herramientas computadorizadas en las clases de ciencias. En aspectos como el uso del banco de datos bibliografico Eric y el uso de las herramientas computadorizadas en actividades educativas como explorar conceptos, conceptuar, aplicar lo aprendido y hacer asignaciones hubo diferencias estadisticamente significativas entre los candidatos y los maestros en servicio. Al comparar las frecuencias observadas con las esperadas hubo mas maestros en servicio y menos candidatos que indicaron usar el anterior banco de datos y las herramientas computadorizadas en las mencionadas actividades educativas.

Bayuelo, Ezequiel

259

Critical partnerships: Los Alamos, universities, and industry  

SciTech Connect

Los Alamos National Laboratory, situated 35 miles northwest of Santa Fe, NM, is one of the Department of Energy`s three Defense Programs laboratories. It encompasses 43 square miles, employees approximately 10,000 people, and has a budget of approximately $1.1B in FY97. Los Alamos has a strong post-cold war mission, that of reducing the nuclear danger. But even with that key role in maintaining the nation`s security, Los Alamos views partnerships with universities and industry as critical to its future well being. Why is that? As the federal budget for R&D comes under continued scrutiny and certain reduction, we believe that the triad of science and technology contributors to the national system of R&D must rely on and leverage each others capabilities. For us this means that we will rely on these partners to help us in 5 key ways: We expect that partnerships will help us maintain and enhance our core competencies. In doing so, we will be able to attract the best scientists and engineers. To keep on the cutting edge of research and development, we have found that partnerships maintain the excellence of staff through new and exciting challenges. Additionally, we find that from our university and corporate partners we often learn and incorporate {open_quotes}best practices{close_quotes} in organizational management and operations. Finally, we believe that a strong national system of R&D will ensure and enhance our ability to generate revenues.

Berger, C.L.

1997-04-01

260

Exploration geochemistry: The Los Alamos experience  

SciTech Connect

Los Alamos National Laboratory became actively involved in geochemical exploration in 1975 by conducting a reconnaissance-scale exploration program for uranium as part of the National Uranium Resource Evaluation program. Initially, only uranium and thorium were analyzed. By 1979 Los Alamos was analyzing a multielement suite. The data were presented in histograms and as black and white concentration plots for uranium and thorium only. Data for the remaining elements were presented as hard copy data listings in an appendix to the report. In 1983 Los Alamos began using exploration geochemistry for the purpose of finding economic mineral deposits to help stimulate the economies of underdeveloped countries. Stream-sediment samples were collected on the Caribbean island of St. Lucia and a geochemical atlas of that island was produced. The data were statistically smoothed and presented as computer-generated color plots of each element of the multielement suite. Studies for the US Bureau of Land Management in 1984 consisted of development of techniques for the integration of several large data sets, which could then be used for computer-assisted mineral resource assessments. A supervised classification technique was developed which compares the attributes of grid cells containing mines or mineral occurrences with attributes of unclassified cells not known to contain mines or occurrences. Color maps indicate how closely unclassified cells match in attributes the cells with mines or occurrences. 20 refs., 1 fig., 1 tab.

Maassen, L.W.; Bolivar, S.L.

1989-01-01

261

Codificación de los Genes  

NSDL National Science Digital Library

Esta animación muestra como un gen está construido para eventualmente producir una proteína en una planta de maíz Bt (Bt corn). Esta es la quinta de una serie de siete animaciones que detallan el proceso de ingeniería genética de cultivos.

262

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

Microsoft Academic Search

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

Fidel Moreno

2009-01-01

263

Desarrollo de un inóculo microbiano empleando lodos activados para la remoción de ácido sulfhídrico (H2S) mediante biofiltración* Inoculum development by using activated sludge to remove hydrogen sulphide (H2S) through biofiltration  

Microsoft Academic Search

RESUMEN Se utilizaron lodos activados de diferentes orígenes para el desarrollo de un inóculo apto para la degradación de ácido sulfhídrico en un sistema piloto de biofiltración con dos unidades de diferentes materiales de soporte: bagazo de caña en un caso y una mezcla de este y piedra pómez en el otro. Mediante la adición a los lodos activados, de

Z. Alejandra Mora; Carlos H. Chávez; Gladys Fonseca; Jorge A. Cabra; Yezid Carmona Salgado

264

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

Cancer.gov

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

265

Los Angeles County Poor Farm, Patient Ward Nos. 210 & ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Los Angeles County Poor Farm, Patient Ward Nos. 210 & 211 - Type B Plan, 7601 Imperial Highway; bounded by Esperanza Street, Laurel Street, Flores Street, and Descanso Street, Downey, Los Angeles County, CA

266

Los Angeles County Poor Farm, Patient Wards 201, 202, 203, ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

Los Angeles County Poor Farm, Patient Wards 201, 202, 203, 204, 205, 206, 207, 208 & 209 - Type A Plan, 7601 Imperial Highway; bounded by Esperanza Street, Hawthorn Avenue, Laurel Street, and Descanso Street, Downey, Los Angeles County, CA

267

Los Alamos Personnel and Area Criticality Dosimeter Systems.  

National Technical Information Service (NTIS)

Fissionable materials are handled and processed at the Los Alamos National Laboratory. Although the probability of a nuclear criticality accident is very remote, it must be considered. Los Alamos maintains a broad spectrum of dose assessment capabilities....

D. G. Vasilik R. W. Martin

1981-01-01

268

El problema de estabilidad de los sistemas Hamiltonianos multidimensionales  

NASA Astrophysics Data System (ADS)

Se revisarán los aspectos básicos del problema de estabilidad de sistemans Hamiltonianos N-dimensionales, haciendo especial énfasis en los posibles mecanismos que dan lugar a la aparición de ``caos": overlap de resonancias, difusión de Arnol'd y otros procesos difusivos alternativos. Se mencionarán los aspectos aún no resueltos sobre la estabilidad de los sistemas con N > 2. Finalmente, se discutirá cuáles de estos mecanismos podrían tener alguna relevancia en la dinámica de sistemas estelares y planetarios.

Cincotta, P. M.

269

A Parent's Guide to Infant/Toddler Programs = Guia para los padres sobre los programas de cuidado infantil de 0-3 anos.  

ERIC Educational Resources Information Center

Information on how warm and responsive care can help shape infants' and toddlers' development and their ability to learn can be reassuring for concerned parents. This guide, in English and Spanish versions, presents quality child care as a partnership between the child caregiver and the parents with the primary goal of benefiting the child. The…

Dodge, Diane Trister; Dombro, Amy Laura; Colker, Laura J.

270

Aunque cerca...sano: Una guia para prevencion de los riesgos de los pesticidas (Although Nearby...Healthy: A Guide for the Prevention of Pesticide Risks).  

ERIC Educational Resources Information Center

|Intended for Spanish-speaking farmworkers with children, this publication in comic book format tells these parents how they can protect their children from pesticide risks. On returning home from work, one farmworker couple does not hug their young children. When their behavior is questioned by neighbors, the mother explains that the fields were…

Saenz, Salvador

271

Parenting Information for Parents: Books 1-3 (Informacion Para Los Padres Sobre La Crianza De Los Hijos: Libros 1-3).  

ERIC Educational Resources Information Center

|These 3 booklets provide ideas, guidelines, and activities for establishing effective parenting and are part of a series of 22 booklets specifically designed to help parents understand their children and help them to learn. The first booklet (booklet #20) discusses preparation for parenthood, infant and toddler developmental stages, the…

Moreno, Steve

272

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

ERIC Educational Resources Information Center

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

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

273

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

ERIC Educational Resources Information Center

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

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

274

Seguridad alimentaria para futuras mamás: Seguridad ...  

Center for Food Safety and Applied Nutrition (CFSAN)

... alimentaria para futuras mamás: Seguridad alimentaria para futuras mamás: Alimentos seguros - Comer fuera y llevar comida preparada a casa. ... More results from www.fda.gov/food/foodborneillnesscontaminants/peopleatrisk

275

Seguridad alimentaria para futuras mamás: Alimentos ...  

Center for Food Safety and Applied Nutrition (CFSAN)

... “Escuché hablar acerca de la Listeria en relación con el embarazo. ¿Qué hace que esta bacteria sea más nociva para mí y para mi bebé que otras ... More results from www.fda.gov/food/foodborneillnesscontaminants/peopleatrisk

276

Decommissioning the Los Alamos Molten Plutonium Reactor Experiment (LAMPRE I).  

National Technical Information Service (NTIS)

The Los Alamos Molten Plutonium Reactor Experiment (LAMPRE I) was decommissioned at the Los Alamos National Laboratory, Los Alamos, New Mexico, in 1980. The LAMPRE I was a sodium-cooled reactor built to develop plutonium fuels for fast breeder application...

J. R. Harper R. Garde

1981-01-01

277

Decommissioning the Los Alamos Molten Plutonium Reactor Experiment (LAMPRE I)  

Microsoft Academic Search

The Los Alamos Molten Plutonium Reactor Experiment (LAMPRE I) was decommissioned at the Los Alamos National Laboratory, Los Alamos, New Mexico, in 1980. The LAMPRE I was a sodium-cooled reactor built to develop plutonium fuels for fast breeder applications. It was retired in the mid-1960s. This report describes the decommissioning procedures, the health physics programs, the waste management, and the

J. R. Harper; R. Garde

1981-01-01

278

Los Alamos National Laboratory passive solar program  

SciTech Connect

Progress in passive solar tasks performed at the Los Alamos National Laboratory for FY-81 is documented. A third volume of the Passive Solar Design Handbook is nearly complete. Twenty-eight configurations of sunspaces were studied using the solar load ratio method of predicting performance; the configuration showing best performance is discussed. The minimum level of insolation needed to generate convective flow in the thermosiphon test rig is noted and measured. Information is also included on test room performance, off-peak auxiliary electric heating for a passive home, free convection experiment, monitored buildings, and technical support to the US Department of Energy.

Neeper, D.A.

1981-01-01

279

The Los Alamos foil implosion project  

SciTech Connect

The goal of the Los Alamos foil implosion project is to produce an intense (>100 TW), multi-megajoule, laboratory soft x-ray source for material studies and fusion experiments. The concept involves the implosion of annular, current-carrying, cylindrical metallic plasmas via their self-magnetic forces. The project features inductive storage systems using both capacitor banks and high explosive-driven flux compression generators as prime energy sources. Fast opening switches are employed to shorten the electrical pulses. The program will be described and activities to date will be summarized.

Brownell, J.H.; Parker, J.V.; Bartsch, R.R.; Benage, J.F.; Bowers, R.L.; Cochrane, J.C.; Forman, P.R.; Goforth, J.H.; Greene, A.E.; Kruse, H.W.; Ladish, J.S; Oona, H.; Peterson, D.L.; Reinvosky, R.E.; Trainor, J.R. (Los Alamos National Lab., NM (United States)); Roderick, N. (New Mexico Univ., Albuquerque, NM (United States)); Turchi, P. (Ohio State Univ., Columbus, OH (United States))

1992-01-01

280

The Los Alamos foil implosion project  

SciTech Connect

The goal of the Los Alamos foil implosion project is to produce an intense (>100 TW), multi-megajoule, laboratory soft x-ray source for material studies and fusion experiments. The concept involves the implosion of annular, current-carrying, cylindrical metallic plasmas via their self-magnetic forces. The project features inductive storage systems using both capacitor banks and high explosive-driven flux compression generators as prime energy sources. Fast opening switches are employed to shorten the electrical pulses. The program will be described and activities to date will be summarized.

Brownell, J.H.; Parker, J.V.; Bartsch, R.R.; Benage, J.F.; Bowers, R.L.; Cochrane, J.C.; Forman, P.R.; Goforth, J.H.; Greene, A.E.; Kruse, H.W.; Ladish, J.S; Oona, H.; Peterson, D.L.; Reinvosky, R.E.; Trainor, J.R. [Los Alamos National Lab., NM (United States); Roderick, N. [New Mexico Univ., Albuquerque, NM (United States); Turchi, P. [Ohio State Univ., Columbus, OH (United States)

1992-08-01

281

Fluctuations in three Los Alamos experiments  

SciTech Connect

We review results from three magnetic fusion experiments at Los Alamos: the ZT-40M, a reversed-field toroidal pinch; the CTX, a spheromak produced by a magnetized coaxial source; and the FRX-C, a field-reversed configuration generated by theta-pinch techniques. These experiments share the common feature that a major fraction of the confining magnetic field is associated with currents carried by the plasma. We emphasize here the important role that fluctuations play in the maintenance and evolution of these configurations.

Wright, B.L.

1983-01-01

282

Optics code development at Los Alamos  

SciTech Connect

This paper is an overview of part of the beam optics code development effort in the Accelerator Technology Division at Los Alamos National Laboratory. The aim of this effort is to improve our capability to design advanced beam optics systems. The work reported is being carried out by a collaboration of permanent staff members, visiting consultants, and student research assistants. The main components of the effort are building a new framework of common supporting utilities and software tools to facilitate further development. research and development on basic computational techniques in classical mechanics and electrodynamics, and evaluation and comparison of existing beam optics codes, and support for their continuing development.

Mottershead, C.T.; Lysenko, W.P.

1988-12-01

283

Los Alamos National Laboratory computer benchmarking 1982  

SciTech Connect

Evaluating the performance of computing machinery is a continual effort of the Computer Research and Applications Group of the Los Alamos National Laboratory. This report summarizes the results of the group's benchmarking activities performed between October 1981 and September 1982, presenting compilation and execution times as well as megaflop rates for a set of benchmark codes. Tests were performed on the following computers: Cray Research, Inc. (CRI) Cray-1S; Control Data Corporation (CDC) 7600, 6600, Cyber 73, Cyber 825, Cyber 835, Cyber 855, and Cyber 205; Digital Equipment Corporation (DEC) VAX 11/780 and VAX 11/782; and Apollo Computer, Inc., Apollo.

Martin, J.L.

1983-06-01

284

Ultraprecision machining of optics at Los Alamos  

SciTech Connect

Ultraprecision machine tools are used at Los Alamos for single point diamond turning of optics and other precision parts. Measurements of a 50-mm-dia copper flat are used to illustrate the quality of a part which can be machined on the Moore No. 3 lathe. Measurements of a 0.4-m-dia aluminum mirror with a 20-m radius-of-curvature are presented as an example of a part machined on the Moore No. 5 lathe. A varying frequency sine wave grating is used to show a type of special optical grating which can be produced using the Pneumo lathe.

Rhorer, R.L.; Gauler, A.L.; Colston, E.W.; Ruhe, J.R.

1981-01-01

285

Los Alamos free-electron laser  

SciTech Connect

During the past year the Los Alamos free-electron laser (FEL) oscillator has demonstrated high peak and average power (10 MW and 6 kW), broad-wavelength tunability (9 to 35 ..mu..m), and near-ideal optical quality (0.9 Strehl ratio). An electron energy-extraction efficiency of 1% was measured. The predicted production of synchrotron sidebands also was observed in the broadened optical spectrum. As shorter wavelengths and higher powers are pursued, higher currents with improved beam quality will be required. Advanced injectors and energy-recovery systems are being developed to meet these demands. 17 refs., 6 figs., 3 tabs.

Watson, J.M.

1985-01-01

286

Materials accounting at Los Alamos National Laboratory  

SciTech Connect

The materials accounting system at Los Alamos has evolved from an ''80-column'' card system to a very sophisticated near-real-time computerized nuclear material accountability and safeguards system (MASS). The present hardware was designed and acquired in the late 70's and is scheduled for a major upgrade in fiscal year 1986. The history of the system from 1950 through the DYMAC of the late 70's up to the present will be discussed. The philosophy of the system along with the details of the system will be covered. This system has addressed the integrated problems of management, control, and accounting of nuclear material successfully. 8 refs., 3 figs., 1 tab.

Roberts, N.J.; Erkkila, B.H.; Kelso, H.F.

1985-07-20

287

Environmental Programs at Los Alamos National Laboratory  

SciTech Connect

Summary of this project is: (1) Teamwork, partnering to meet goals - (a) Building on cleanup successes, (b) Solving legacy waste problems, (c) Protecting the area's environment; (2) Strong performance over the past three years - (a) Credibility from four successful Recovery Act Projects, (b) Met all Consent Order milestones, (c) Successful ramp-up of TRU program; (3) Partnership between the National Nuclear Security Administration's Los Alamos Site Office, DOE Carlsbad Field Office, New Mexico Environment Department, and contractor staff enables unprecedented cleanup progress; (4) Continued focus on protecting water resources; and (5) All consent order commitments delivered on time or ahead of schedule.

Jones, Patricia [Los Alamos National Laboratory

2012-07-11

288

Experience with confirmation measurement at Los Alamos  

SciTech Connect

Confirmation measurements are used at Los Alamos in support of incoming and outgoing shipment accountibility and for support of both at /sup 235/U and Pu inventories. Statistical data are presented to show the consistency of measurements on items of identical composition and on items measured at two facilitis using similar instruments. A description of confirmation measurement techniques used in support of /sup 235/U and Pu inventories and a discussion on the ability of the measurements to identify items with misstated SNM are given.

Marshall, R.S.; Wagner, R.P.; Hsue, F.

1985-01-01

289

Los efectos de la estructura monopolística de los mercados en la evaluación de las empresas privatizadas en Colombia  

Microsoft Academic Search

Este estudio pretende evaluar si las empresas que fueron privatizadas en Colombia durante los años noventa mejoraron sustancialmente su productividad y rentabilidad, como consecuencia de los cambios gerenciales que se debieron dar, o si por el contrario, continuaron en niveles similares, contrariando la hipótesis de que los nuevos dueños propiciarían cambios sustanciales en su estrategia, como lo demuestra la experiencia

Jaime Andrés Collazos R; Héctor Ochoa D

2005-01-01

290

Los Alamos National Laboratory Waste Management Program  

SciTech Connect

Los Alamos National Laboratory's (LANL) waste management program is responsible for disposition of waste generated by many of the LANL programs and operations. LANL generates liquid and solid waste that can include radioactive, hazardous, and other constituents. Where practical, LANL hazardous and mixed wastes are disposed through commercial vendors; low-level radioactive waste (LLW) and radioactive asbestos-contaminated waste are disposed on site at LANL's Area G disposal cells, transuranic (TRU) waste is disposed at the Waste Isolation Pilot Plant (WIPP), and high-activity mixed wastes are disposed at the Nevada Test Site (NTS) after treatment by commercial vendors. An on-site radioactive liquid waste treatment facility (RLWTF) removes the radioactive constituents from liquid wastes and treated water is released through an NPDES permitted outfall. LANL has a very successful waste minimization program. Routine hazardous waste generation has been reduced over 90% since 1993. LANL has a DOE Order 450.1-compliant environmental management system (EMS) that is ISO 14001 certified; waste minimization is integral to setting annual EMS improvement objectives. Looking forward, under the new LANL management and operating contractor, Los Alamos National Security (LANS) LLC, a Zero Liquid Discharge initiative is being planned that should eliminate flow to the RLWTF NPDES-permitted outfall. The new contractor is also taking action to reduce the number of permitted waste storage areas, to charge generating programs directly for the cost to disposition waste, and to simplify/streamline the waste system. (authors)

Lopez-Escobedo, G.M.; Hargis, K.M.; Douglass, C.R. [Los Alamos National Laboratory, NM (United States)

2007-07-01

291

A Vadose Zone Flow and Transport Model for Los Alamos Canyon, Los Alamos, New Mexico  

Microsoft Academic Search

To gain an integrated understanding of flow and trans- port in the vadose zone and its role in transmitting con- A vadose zone flow and transport model for Los Alamos Canyon tamination to the regional aquifer, conceptual flow and is presented that demonstrates that a comprehensive understanding transport models must be combined with site-specific of vadose zone hydrologic processes can

Bruce A. Robinson; Gregory Cole; James W. Carey; Marc Witkowski; Carl W. Gable; Zhiming Lu; Robert Gray

2005-01-01

292

"Los Ninos y los Libros": Noteworthy Books in Spanish for the Very Young.  

ERIC Educational Resources Information Center

Reviews 15 children's books in Spanish. Titles reviewed include: "Perro y gato [Dog and Cat]" (Ricardo Alcantara); "Baldomero va a la escuela [Baldomero goes to School]" (Alain Broutin); "Duerme bien, pequeno oso [Sleep well, Little Bear]" (Quint Buchholz); "El mas bonito de todos los regales del mundo [The Most Beautiful Gift in the World]…

Schon, Isabel

2001-01-01

293

LAMPF II workshop, Los Alamos National Laboratory, Los Alamos, New Mexico, February 1-4, 1982  

SciTech Connect

This report contains the proceedings of the first LAMPF II Workshop held at Los Alamos February 1 to 4, 1982. Included are the talks that were available in written form. The conclusion of the participants was that there are many exciting areas of physics that will be addressed by such a machine.

Thiessen, H.A. (comp.)

1982-01-01

294

Biological assessment for the effluent reduction program, Los Alamos National Laboratory, Los Alamos, New Mexico  

SciTech Connect

This report describes the biological assessment for the effluent recution program proposed to occur within the boundaries of Los Alamos National Laboratory. Potential effects on wetland plants and on threatened and endangered species are discussed, along with a detailed description of the individual outfalls resulting from the effluent reduction program.

Cross, S.P.

1996-08-01

295

Los Angeles-Long Beach Harbor Areas Cultural Resource Survey, Los Angeles County, California.  

National Technical Information Service (NTIS)

The purpose of the survey was to locate and identify cultural resources at the Los Angeles and Long Beach Harbors that might ultimately be affected by a project. The report is comprised of historical and archeological overviews of the project area, an ide...

E. G. Stickel L. J. Weinman

1978-01-01

296

Los Angeles: A tale of two stones  

NASA Astrophysics Data System (ADS)

We compare and contrast the mineralogy and petrology of the 2 stones of the extremely ferroan and Cr-poor martian meteorite, Los Angeles. The 2 stones are similar in many characteristics, strongly suggesting that they originated from a single flow or shallow intrusion. However, stone 2 is more ferroan and enriched in late-stage materials than its larger, and more widely studied, sibling. Stone 2 has a far higher abundance (~25 vol%) than stone 1 (10 vol%) of combined "opaques," meaning not only conventional opaque minerals but also, and more abundantly, fine-grained symplectitic intergrowths of fayalite + ferroan augite + silica (interpreted as pyroxferroite breakdown material, PBM). The bulk composition of the PBM is close to that of stoichiometric pyroxferroite, with roughly 45 wt% FeO. Extensive zonation within the pyroxenes of both stones is consistent with origin by closed-system fractional crystallization of the parent basaltic melt(s). However, the compositional and modal disparity between the two stones suggests that they formed in an environment where at least mild multi-cm-scale differentiation occurred. Probably, in both stones, crystallization began from similar melts with mg ~27-28 mol%, but during crystallization, significant migration of the melt component occurred, perhaps by crystal settling and/or filter pressing. Stone 2 acquired an enhanced proportion of residual melt and, thus, higher proportions of late-stage materials such as PBM, oxides, and phosphates. Within the PBM, clinopyroxene poikiloblastically encloses fayalite and silica. At least some of the PBM had already formed by decomposition of pyroxferroite before the major shock that caused the very scarce brecciation within Los Angeles. However, the low abundance of fractures within PBM, in comparison to pyroxene and some other minerals, may be an indication that the textures of PBM regions typically did not assume their final detailed configuration until after the last major shock. The steep slope of a pyroxene mg-Cr correlation suggests that igneous crystallization occurred at higher fO2 in Los Angeles than in otherwise similar shergottites such as QUE 94201, Shergotty, and Zagami.

Warren, Paul H.; Greenwood, James P.; Rubin, Alan E.

2004-01-01

297

[Standardization of di-chlor-di-para-xylilene, di-bromine-di-para-xylilene and di-para-xylilene].  

PubMed

Studied were the new components of dielectric coatings: di-para-xylilene, di-bromine-di-para-xylilene, dichlor-di-para-xylilene, which manifested themselves as low-toxicity compounds free from irritating, sensitizing and fibrogenous effects. The acute action thresholds for aerosols of the paraxylilenes were established at 10 mg/m3 (with regard to general and embryotoxicity), at 5 mg/m3 for the maximal inactive concentrations. PMID:1817083

Frolova, A D; Minkina, N A; Vasil'kovski?, V G; Kuznetsova, O A; Dolgopolova, E L; Shaposhnikova, E S; Martinson, T G

1991-01-01

298

Los Alamos test-room results  

SciTech Connect

Fourteen Los Alamos test rooms have been operated for several years; this paper covers operation during the winters of 1980-81 and 1981-82. Extensive data have been taken and computer analyzed to determine performance parameters such as efficiency, solar savings fraction, and comfort index. The rooms are directly comparable because each has the same net coefficient and solar collection area and thus the same load collector ratio. Configurations include direct gain, unvented Trombe walls, water walls, phase change walls, and two sunspace geometries. Strategies for reducing heat loss include selective surfaces, two brands of superglazing windows, a heat pipe system, and convection-suppression baffles. Significant differences in both backup heat and comfort are observed among the various rooms. The results are useful, not only for direct room-to-room comparisons, but also to provide data for validation of computer simulation programs.

McFarland, R.D.; Balcomb, J.D.

1982-01-01

299

Prediction and synthesis efforts at Los Alamos  

SciTech Connect

One important aspect of an organic synthesis effort related to the development of new explosives, is the ability to estimate the properties of proposed molecules. In most cases, the detonation velocity and C-J pressure are estimated for the proposed explosive using any number of existing predictive methods. Novel explosives are being proposed, at Los Alamos and elsewhere, that are qualitatively different in their molecular makeup than most of the existing conventional ones. These explosives include, highly strained cage molecules, heterocyclic molecules, low hydrogen-containing molecules, and high nitrogen-containing molecules. This paper describes alternate ways of viewing detonation velocities and a new method for estimating detonation velocity of a proposed compound. 10 refs., 2 figs., 4 tabs.

Stine, J.R.; Coburn, M.D.

1988-01-01

300

The Los Alamos FEL photoinjector drive laser  

SciTech Connect

The drive laser system of the photoelectric injector for the Los Alamos free -- electron laser (FEL) is described. the bright electron beams required for high performance FELs demand stringnt specifications on drive laser output levels, beam quality, and stability. The laser system generates 7--15 ps (FWHM) Gaussian pulses of 527 nm light at a repetition rate of 21.67 MHz. These micropulses'' are contained within a < 200 microsec long macropulse'' envelope which is emitted from the drive laser at a 1 Hz rate. Micropulse energies as large as 12 microjoules are obtained. The design specifications, laser architecture, and operating performance following the most recent round of upgrades are presented. 10 refs., 15 figs., 1 tab.

Early, J.; Barton, J.; Busch, G.; Wenzel, R.; Remelius, D.

1991-01-01

301

Information about Practicums at Los Alamos  

SciTech Connect

The Los Alamos Neutron Science Center is the premier facility for neutron science experiments ranging from cross section measurements, neutron scattering experiments, proton radiography, cold neutrons, actinide neutronic properties, and many other exciting topics. The National High Magnetic Field Laboratory is home to several powerful magnets, including the one that created the first non-destructive 100 Tesla field in March 2012. They probe the electronic structure of superconductors, magnetic properties of materials (including magneto-quantum effects). Research is also conducted in correlated materials, thermoacoustics, and magnetic properties of actinides. The Trident Laser has a unique niche with very high power, short pulse experiments, with a peak power of 10{sup 20} W in short pulse mode. Discoveries range from production of monoenergetic MeV ion beam, nonlinear kinetic plasma waves, the transition between kinetic and fluid nonlinear behavior and other laser-plasma interaction processes.

Bradley, Paul A. [Los Alamos National Laboratory

2012-07-24

302

Los Alamos controlled-air incineration studies  

SciTech Connect

Current regulations of the Environmental Protection Agency (EPA) require that PCBs in concentrations greater than 500 ppM be disposed of in EPA-permitted incinerators. Four commercial incineration systems in the United States have EPA operating permits for receiving and disposing of concentrated PCBs, but none can accept PCBs contaminated with nuclear materials. The first section of this report presents an overview of an EPA-sponsored program for studying PCB destruction in the large-scale Los Alamos controlled-air incinerator. A second major FY 1983 program, sponsored by the Naval Weapons Support Center, Crane, Indiana, is designed to determine operating conditions that will destroy marker smoke compounds without also forming polycyclic aromatic hydrocarbons (PAHs), some of which are known or suspected to be carcinogenic. We discuss the results of preliminary trial burns in which various equipment and feed formulations were tested. We present qualitative analyses for PAHs in the incinerator offgas as a result of these tests.

Koenig, R.A.; Warner, C.L.

1983-01-01

303

Performance of the Los Alamos expanding telescope  

NASA Astrophysics Data System (ADS)

An expanding telescope can produce a very low divergence particle beam, provided that the beam optics have sufficient quality in order not to introduce large aberrations. Even as late as two years ago there were no theoretical beamline codes, and little experimental work that could describe the third-order aberrations introduced by an expanding telescope. A project was undertaken at Los Alamos National Laboratory to perform these calculations, and to build a telescope to confirm the predictions. It was installed at Argonne National Laboratory during the summer of 1987 and tested in a 50 MeV H(-) beam. The telescope consisted of a singlet eyepiece and triplet objective lens with a twenty times magnification. It performed to the design specifications of twenty-five micro-radians beam divergence with a parallel beam focus. The measured geometric aberrations were found to be in agreement with the computer calculations.

Dombeck, T. W.

304

Environmental surveillance at Los Alamos during 1995  

SciTech Connect

This report describes the environmental surveillance program at Los Alamos National Laboratory (LANL or the Laboratory) during 1995. The Laboratory routinely monitors for radiation and for radioactive and nonradioactive materials at (or on) Laboratory sites as well as in the surrounding region. LANL uses the monitoring result to determine compliance with appropriate standards and to identify potentially undesirable trends. Data were collected in 1995 to assess external penetrating radiation; quantities of airborne emissions and liquid effluents; concentrations of chemicals and radionuclides in ambient air, surface waters and groundwaters, municipal water supply, soils and sediments, and foodstuffs; and environmental compliance. Using comparisons with standards, regulations, and background levels, this report concludes that environmental effects from Laboratory operations are small and do not pose a demonstrable threat to the public, Laboratory employees, or the environment.

NONE

1996-10-01

305

Recent development in pyrochemistry at Los Alamos  

SciTech Connect

Recent developments in pyrochemical processing at Los Alamos include the recovery of plutonium from anodes and impure metal by pyroredox and new molten salt handling and purification techniques. The anode is dissolved in a ZnCl/sub 2/ KCl salt to form PuCl/sub 3/ and a zinc and impurities button. Calcium reduction of the PuCl/sub 3/ yields 95 to 98% pure plutonium. New techniques for transferring molten salt from a purification or regeneration vessel to molds has been successfully developed and demonstrated. Additional salt work involving recycle of direct oxide reduction salts using anhydrous hydrogen chloride, phosgene, and chlorine gases is under way. 13 figures, 1 table.

McNeese, J.A.; Fife, K.W.; Williams, J.D.

1984-01-01

306

Los Alamos free electron laser: accelerator performance  

SciTech Connect

The Los Alamos free electron (FEL) laser oscillator has successfully operated over a wavelength range from 9 to 11 ..mu..m with a peak output power of 5 MW and an average output power of 6 kW over a 70-..mu..s pulse length. The FEL is driven by a conventional rf linear accelerator operating at 1.3 GHz with a nominal energy of 20 MeV. Particularly important parts of the beamline are the electron gun, the subharmonic and fundamental-bunching systems, the accelerator, the feedback controllers, the steering and focusing systems, the Cherenkov radiators used as beam-position monitors, and the slow and fast deflectors used with the diagnostic spectrometer at the exit of the beamline. We will discuss problems and present the performance of these components. 10 references, 12 figures, 2 tables.

Warren, R.W.; Stein, W.E.; Lynch, M.T.; Sheffield, R.L.; Fraser, J.S.

1984-01-01

307

The Los Alamos Intense Neutron Source  

SciTech Connect

The Intense Neutron Source (INS) is an Inertial Electrostatic Confinement (IEC) fusion device presently under construction at Los Alamos National Laboratory. It is designed to produce 10{sup 11} neutrons per second steady-state using D-T fuel. Phase 1 operation of this device will be as a standard three grid IEC ion focus device. Expected performance has been predicted by scaling from a previous IEC device. Phase 2 operation of this device will utilize a new operating scheme, the Periodically Oscillating Plasma Sphere (POPS). This scheme is related to both the Spherical Reflect Diode and the Oscillating Penning Trap. With this type of operation the authors hope to improve plasma neutron production to about 10{sup 13} neutrons/second.

Nebel, R.A.; Barnes, D.C.; Bollman, R.; Eden, G.; Morrison, L.; Pickrell, M.M.; Reass, W.

1997-10-01

308

Polvo en la Región de los Troyanos  

NASA Astrophysics Data System (ADS)

La posible existencia de un anillo de polvo en la resonancia 1:1 con Júpiter formado por partículas provenientes de colisiones de asteroides fue propuesta por Liou and Zook (Icarus 113, 403, 1995) y estudiada extensamente por Vieira Martins and Gomes (VIII Reunión Regional Latinoamericana de Astronomía, Montevideo,1995). Si bien las partículas quedarían atrapadas sólo por períodos de algunos miles de años, el proceso colisional continuo en el cinturón de asteroides mantendría constante la densidad, presentándose una mayor concentración en la región de los troyanos. En el presente trabajo se presentan resultados preliminares sobre observaciones polarimétricas realizadas desde CASLEO de la región de L5 que confirmarían la existencia y variaciones de densidad en el anillo de polvo.

Gilhutton, R.; Brunini, A.; Coldwell, G.

309

Environmental surveillance at Los Alamos during 1987  

SciTech Connect

This report describes the environmental surveillance program conducted by Los Alamos National Laboratory during 1987. Routine monitoring for radiation and radioactive or chemical materials is conducted on the Laboratory site as well as in the surrounding region. Monitoring results are used to determine compliance with appropriate standards and to permit early identification of potentially undesirable trends. Results and interpretation of data for 1987 cover: external penetrating radiation; quantities of airborne emissions and liquid effluents; concentrations of chemicals and radionuclides in ambient air, surface and ground waters, municipal water supply, soils and sediments, and foodstuffs; and environmental compliance. Comparisons with appropriate standards, regulations, and background levels provide the basis for concluding that environmental effects from Laboratory operations are insignificant and do not pose a threat to the public, Laboratory employees, or the environment. 113 refs., 33 figs., 120 tabs.

Not Available

1988-05-01

310

Performance of the Los Alamos expanding telescope  

SciTech Connect

An expanding telescope can produce a very low divergence particle beam, provided that the beam optics have sufficient quality in order not to introduce large aberrations. Even as late as two years ago there were no theoretical beamline codes, and little experimental work that could describe the third-order aberrations introduced by an expanding telescope. A project was undertaken at Los Alamos National Laboratory to perform these calculations, and to build a telescope to confirm the predictions. It was installed at Argonne National Laboratory during the summer of 1987 and tested in a 50 MeV H/sup /-// beam. The telescope consisted of a singlet eyepiece and triplet objective lens with a twenty times magnification. It performed to the design specifications of twenty-five micro-radians beam divergence with a parallel beam focus. The measured geometric aberrations were found to be in agreement with the computer calculations.

Dombeck, T.W.

1988-01-01

311

Los Alamos Plutonium Facility Waste Management System  

SciTech Connect

This paper describes the new computer-based transuranic (TRU) Waste Management System (WMS) being implemented at the Plutonium Facility at Los Alamos National Laboratory (LANL). The Waste Management System is a distributed computer processing system stored in a Sybase database and accessed by a graphical user interface (GUI) written in Omnis7. It resides on the local area network at the Plutonium Facility and is accessible by authorized TRU waste originators, count room personnel, radiation protection technicians (RPTs), quality assurance personnel, and waste management personnel for data input and verification. Future goals include bringing outside groups like the LANL Waste Management Facility on-line to participate in this streamlined system. The WMS is changing the TRU paper trail into a computer trail, saving time and eliminating errors and inconsistencies in the process.

Smith, K.; Montoya, A.; Wieneke, R.; Wulff, D.; Smith, C.; Gruetzmacher, K.

1997-02-01

312

Security Lapses Continue at Los Alamos  

NSDL National Science Digital Library

Despite Energy Secretary Bill Richardson's previous assertions that security at the Los Alamos National Laboratory had been improved, the Laboratory revealed on June 12 that two hard drives which contain "encyclopedic" amounts of information about Russian and Chinese nuclear weapon design, as well as weapons of American allies, had been missing since May 7, the day before the lab was evacuated because of the wildfire. The Lab Director and Energy Department officials, however, were not informed until May 31. Despite the sensitivity of the information on the drives, they were not classified at the highest level, and the vault where they were stored is accessible to apparently dozens of employees, none of whom are required to log in or log out. Without these records, there is no way of knowing whether the drives went missing the day the loss was discovered or at some point in the previous weeks. Richardson, who failed to appear at a Senate Intelligence Committee hearing on Wednesday, has placed six laboratory managers, including the head of the nuclear weapons programs, on paid leave. He also asked two highly respected former members of Congress, Howard Baker and Lee Hamilton, to conduct an independent investigation and recommend security improvements. In a related development, the Senate voted 97-0 to confirm Air Force Gen. John Gordon, the deputy director of the CIA, to take on a new post of security czar at the Department of Energy. In the meantime, the investigation continues at Los Alamos, where FBI agents plan to give polygraph tests to scientists who had access to the vault.

De Nie, Michael W.

313

DETERMINISTIC TRANSPORT METHODS AND CODES AT LOS ALAMOS  

SciTech Connect

The purposes of this paper are to: Present a brief history of deterministic transport methods development at Los Alamos National Laboratory from the 1950's to the present; Discuss the current status and capabilities of deterministic transport codes at Los Alamos; and Discuss future transport needs and possible future research directions. Our discussion of methods research necessarily includes only a small fraction of the total research actually done. The works that have been included represent a very subjective choice on the part of the author that was strongly influenced by his personal knowledge and experience. The remainder of this paper is organized in four sections: the first relates to deterministic methods research performed at Los Alamos, the second relates to production codes developed at Los Alamos, the third relates to the current status of transport codes at Los Alamos, and the fourth relates to future research directions at Los Alamos.

J. E. MOREL

1999-06-01

314

Lecturas sobre Locke: Los dilemas de la propiedady la libertad  

Microsoft Academic Search

This presentation is part of the Conceptions of Autonomy track.\\u000aEste trabajo interroga por los sentidos del argumento según el cual la primera propiedad de un individuo es su cuerpo a la luz de los debates feministas del presente. Interroga también por las transformaciones que las condiciones históricas, sociales y los horizontes de comprensión marcados por las lenguas y las

Alejandra Ciriza

2010-01-01

315

Sima de los Huesos (Sierra de Atapuerca, Spain). The site  

Microsoft Academic Search

In this article a topographical description of the Cueva Mayor–Cueva de Silo cave system is provided, including a more detailed topography of the Sala de los C??clopes–Sala de las Oseras–Sima de los Huesos sector. The history of the excavations and discoveries of human and carnivore fossils in Sima de los Huesos and adjacent passages is briefly reported, as well as

J. L. Arsuaga; I. Mart??nez; A. Gracia; J. M. Carretero; C. Lorenzo; N. Garc??a; A. I. Ortega

1997-01-01

316

Patrones de migración México-Estados Unidos en los noventa: Datos de cuatro encuestas mexicanas  

Microsoft Academic Search

Este artículo analiza los patrones de migración internacional de los mexicanos, con destino a Estados Unidos, en los noventa, a partir de los datos que arrojan cuatro encuestas mexicanas. Este artículo se insiere en una discusión reciente en la literatura de migraciones sobre los supuestos cambios estructurales del patrón migratorio procedente de México y con destino a los Estados Unidos.

Cristóbal Mendoza

317

Los sistemas financieros a través de la teoría algebraica de autómatas  

Microsoft Academic Search

En este artículo se describen los sistemas financieros como familias de leyes financieras indizadas en el conjunto de los números enteros positivos, utilizando como herramienta el concepto algebráico de autómata. Se introducen dos tipos de sistemas financieros: los sistemas simplemente compuestos, que son una generalización de los sistemas simplemente multiplicativos, y los sistemas simplemente sumativos que también generalizan los sistemas

Salvador Cruz Rambaud

1995-01-01

318

Power evaluation of the Los Angeles oxygen-fed ozone system. [LOS ANGELES  

Microsoft Academic Search

The Los Angeles Department of Water and Power (LADWP) operates a 600 mgd (2,270 ML\\/day) direct filtration water treatment plant which includes a 7,900 lb\\/day (149 kg\\/hr) ozonation system. Ozone is applied as a preoxidant for the purposes of disinfection and microflocculation. The ozonation system is unique in that high purity oxygen is generated on-site and is used as the

K. L. Rakness; G. F. Stolarik

2009-01-01

319

Environmental analysis of Lower Pueblo/Lower Los Alamos Canyon, Los Alamos, New Mexico  

SciTech Connect

The radiological survey of the former radioactive waste treatment plant site (TA-45), Acid Canyon, Pueblo Canyon, and Los Alamos Canyon found residual contamination at the site itself and in the channel and banks of Acid, Pueblo, and lower Los Alamos Canyons all the way to the Rio Grande. The largest reservoir of residual radioactivity is in lower Pueblo Canyon, which is on DOE property. However, residual radioactivity does not exceed proposed cleanup criteria in either lower Pueblo or lower Los Alamos Canyons. The three alternatives proposed are (1) to take no action, (2) to construct a sediment trap in lower Pueblo Canyon to prevent further transport of residual radioactivity onto San Ildefonso Indian Pueblo land, and (3) to clean the residual radioactivity from the canyon system. Alternative 2, to cleanup the canyon system, is rejected as a viable alternative. Thousands of truckloads of sediment would have to be removed and disposed of, and this effort is unwarranted by the low levels of contamination present. Residual radioactivity levels, under either present conditions or projected future conditions, will not result in significant radiation doses to persons exposed. Modeling efforts show that future transport activity will not result in any residual radioactivity concentrations higher than those already existing. Thus, although construction of a sediment trap in lower Pueblo Canyon is a viable alternative, this effort also is unwarranted, and the no-action alternative is the preferred alternative.

Ferenbaugh, R.W.; Buhl, T.E.; Stoker, A.K.; Becker, N.M.; Rodgers, J.C.; Hansen, W.R.

1994-12-01

320

TAREAS DE APRENDIZAJE PARA POSIBILITAR LA FORMACIÓN Y EL DESARROLLO DE LA HABILIDAD DE EXPRESIÓN ORAL EN LA ASIGNATURA INGLÉS I EN LA CARRERA DE INGENIERÍA GEOLÓGICA  

Microsoft Academic Search

En el presente trabajo se aborda la utilización de las tareas de comunicativas para la formación y desarrollo de la habilidad de expresión oral en inglés en estudiantes de 1er año de la carrera de Ingeniería Geológica en el Instituto Superior Minero Metalúrgico. Estas permiten lograr una enseñanza eficiente entre los estudiantes y el contenido de la lengua, bajo la

Georgina Aguilera Saborit; Adis Fiol Cuenca; Mirtha Olivero Herrera; Isabel Salgado Rodríguez; Adelfa Verdecía Cruz

2010-01-01

321

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

322

Seguridad alimentaria para futuras mamás: Alimentos ...  

Center for Food Safety and Applied Nutrition (CFSAN)

Las frutas, las verduras y los jugos frescos son deliciosos y le hacen bien seleccionar y manipular cuidadosamente estos alimentos ayudará a ... More results from www.fda.gov/food/foodborneillnesscontaminants/peopleatrisk

323

Seguridad alimentaria para futuras mamás: Durante el ...  

Center for Food Safety and Applied Nutrition (CFSAN)

... Cómo me puede afectar la listeriosis?” Los síntomas pueden tardar unos días o semanas en aparecer y pueden incluir: fiebre, escalofríos, dolores ... More results from www.fda.gov/food/foodborneillnesscontaminants/peopleatrisk

324

Seguridad alimentaria para futuras mamás: Durante el ...  

Center for Food Safety and Applied Nutrition (CFSAN)

... Datos: Aproximadamente el 85% de las mujeres embarazadas en los EE.UU. está en riesgo de padecer toxoplasmosis. (American Journal of ... More results from www.fda.gov/food/foodborneillnesscontaminants/peopleatrisk

325

Avances en el conocimiento de la fisiología ovárica de los pequeños rumiantes y su aplicación para el manejo reproductivo  

Microsoft Academic Search

The recent application of the transrectal ultrasonography to study repro- ductive events in sheep and goats allowed clarify basic aspects of ovarian physiology. With this approach the existence of a wave-like pattern of folli- cular development with intervals that range from 4 to 7 days in both species; the mechanisms of emergence, selection and follicular dominance; and the role of

Edgardo Rubianes

326

Guia para su incorporacion a los Estados Unidos de America (A Guide to Resettlement in the United States. Spanish).  

ERIC Educational Resources Information Center

|This resettlement guide, entirely in Spanish, describes the initial stage of resettlement and the processes that refugees undergo as new arrivals. Subjects covered in this guide include pre-arrival procedures, admissions criteria, immigrant's statement of understanding, travel costs and U.S. Customs; resettlement procedures, immigrants'…

Center for Applied Linguistics, Washington, DC. Refugee Service Center.

327

Pautas de Seguridad para los Procesadores de Alimentos (FSIS (Food Safety and Inspection Service) Security Guidelines for Food Processors).  

National Technical Information Service (NTIS)

The FSIS Security Guidelines for Food Processors are designed to assist Federal and State inspected plants that produce meat, poultry, and egg products in developing preventative food security measures. Operators are encouraged to review their current pro...

2005-01-01

328

ABC's for Parents. A Guide to NYC Schools = ABC para los Padres. Guia de las escuelas de NYC.  

ERIC Educational Resources Information Center

Parents of children in public elementary schools in New York City are given basic information about school policies and practices in this English/Spanish guide. Topics covered include: (1) ancillary school services such as transportation, breakfast and lunch programs, and school health services; (2) Board of Education policy on homework, tests,…

United Parents Association of New York City, Inc., NY.

329

Una aproximación a las principales dificultades léxicas y morfo-sintácticas para aprender inglés de los hablantes hispanos  

Microsoft Academic Search

This article points out the main lexical and morpho-syntactic errors Spanish speakers have when they learn English. These errors have been observed in a group of Mexican students in USA. The paper will illustrate with examples problems such as Spanglish, generalization, mother tongue influence, etc. so that lecturers see these errors as a natural part of students' learning process. Some

MARÍA MARTÍNEZ LIROLA

330

Your Child with Tuberculosis: A Guide for Parents and Guardians = Su Nino con Tuberculosis: Un Manual para Los Padres.  

ERIC Educational Resources Information Center

|Presented in both Spanish and English versions, this booklet is a guide for parents and guardians of children who have tuberculosis (TB). The booklet is organized around specific questions covering topics such as the causes and spread of TB, demographics of TB sufferers, detecting and curing TB, TB treatment and medications, research on the…

Amaro, Rodolfo

331

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

ERIC Educational Resources Information Center

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

ACCESS ERIC, Rockville, MD.

332

Fallas en los tratamientos termicos para aceros de herramienta. (Failures on the heat treatments of steels for tools).  

National Technical Information Service (NTIS)

The main objective of the work was to determine the most common defects occuring in tool steels of the AISI D-2, S-1, 0-1 and W-2 series during thermal treatment. Defects were evaluated by metallographic analyses, a method used to determine and recognize ...

G. Nunez-Gonzalez

1990-01-01

333

ESTIMACIÓN ECONÓMICA DE LOS BENEFICIOS PARA LA SALUD DEL CONTROL DE LA CONTAMINACIÓN DEL AIRE. EL CASO DE VIGO  

Microsoft Academic Search

The economic valuation of health benefits of pollution control requires the application of direct methods like contingent valuation, because this is the only methodology that provide ex ante and more complete valuations, compared to methods based on conventional markets. This is because contingent valuation includes intangible costs of illness, like distress and discomfort. To prove the potenciality of contingent valuation,

MARÍA XOSÉ; VÁZQUEZ RODRÍGUEZ

2002-01-01

334

Soy Tu Hijo: Los Primeros Anos Marcan Para Siempre (I Am Your Child: The First Years Last Forever). [Videotape].  

ERIC Educational Resources Information Center

|New research in brain development reveals the vital importance of the relationship between caregiver and child in the critical first years of life. This Spanish-language video explores the role of parents in stimulating early childhood development. The 28-minute video discusses: (1) attachment and the role of touch in creating a bond between…

Reiner Foundation, Washington, DC.

335

Propuestas para una reconceptualizacion surrealista y postmoderna de la sexualidad femenina en los textos de Cristina Escofet e Isabel Allende  

Microsoft Academic Search

Female sexuality has commonly been viewed as the passive counterpart of male sexuality. Building upon Adrienne Rich's theory of compulsive heterosexuality, I would suggest that the fundamental location of this problem lies within the subconscious. Cristina Escofet's stance on this issue is to argue in favor of a deconstruction of Jungian archetypes, revealing their constructed rather than intrinsic character. In

Zoila Clark

2009-01-01

336

Recoleccion de Muestras para Diagnostico de Enfermedades de los Animales (Collection and Delivery of Samples for Diagnosis of Animal Diseases).  

National Technical Information Service (NTIS)

The manual provides instructions for collecting and handling samples for diagnosis of 65 animal diseases. Livestock reviewed included sheep, beef cattle, horses, swine, dogs, poultry, alpacas. Also reviews analysis for parasites.

C. L. Ortecho M. Vasquez C. Marchinares

1967-01-01

337

Nueva metodología para la definición de la carga de entrenamiento deportivo en la conducción de los jóvenes talentos  

Microsoft Academic Search

Summary Nowadays, in the process of sports training planning, it is common to see that it is organized in first instance based on the distribution of the contents that group the generality of macro structure and its depth level is achieved in the same measure in which these contents are directed towards medium and small structures including the unit of

José Rodolfo Falero González

338

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

Microsoft Academic Search

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

Carles Furió Mas; Kira Padilla Martínez

339

Educación para la convivencia en contextos escolares: una propuesta de intervención contra los malos tratos entre iguales  

Microsoft Academic Search

An intervention program against bullying is presented in this article. The intervention program is integrated in two European research projects - the TMR Project about nature and prevention of bullying and the Sócrates Project - and it is developed through out pupils and teachers' training. The intervention program persecutes the improvement of social skills in order to develop positive interpersonal

Juan L. BENÍTEZ MUÑOZ; Fernando JUSTICIA JUSTICIA

340

La calidad e importancia de las utilidades contables para las empresas cotizadas en los mercados de capitales chilenos  

Microsoft Academic Search

Because information conveyed by corporate financial statements is highly influential and, thus, plays a central role in capital markets, we analyze the usefulness of reported earnings to measure firm performance as well as the ability of earnings to anticipate future cash flows. Specifically, we examine the relation between spec-ific firm factors and quality of earnings for a sample of 180

Mauricio Jara Bertin; Félix J. López Iturriaga

2011-01-01

341

ANÁLISIS DE LECCIONES DE ENSEÑANZA DE BIOLOGÍA EN PRIMARIA Propuesta para analizar los libros de texto de ciencias naturales 1  

Microsoft Academic Search

The article presents a proposed analysis of texts that considers dimensions linked to reading comprehension and the transfer of learning. An analysis is made of biology classes in elementary school. It was found that: a) in most classes, the purpose of the lesson is not specified; b) in more than 90% of the examples, no related activity is required; c)

GUADALUPE MARES; OLGA RIVAS; VIRGINIA PACHECO; HÉCTOR ROCHA; PATRICIA DÁVILA; IGNACIO PEÑALOSA; ELENA RUEDA

2006-01-01

342

Cuanto vale Estudiar un Postgrado en America Latina? (How Much do Post-Graduate Studies Cost in Latin America?).  

ERIC Educational Resources Information Center

|This study, conducted by the Panamerican Association of Educational Credit Institutions (APICE), examined the cost of graduate education in nine Latin American countries. The study was intended to promote graduate and educational exchange within the region, as opposed to exchanges between Latin America and the United States or Europe.…

Franco Arbelaez, Augusto

343

Cuanto vale Estudiar un Postgrado en America Latina? (How Much do Post-Graduate Studies Cost in Latin America?).  

ERIC Educational Resources Information Center

This study, conducted by the Panamerican Association of Educational Credit Institutions (APICE), examined the cost of graduate education in nine Latin American countries. The study was intended to promote graduate and educational exchange within the region, as opposed to exchanges between Latin America and the United States or Europe. Institutions…

Franco Arbelaez, Augusto

344

Los Angeles: Past, Present, & Future  

NSDL National Science Digital Library

One of the most unique and famous cities in this country, Los Angeles (LA) has an invigorating persona that attracts people from all over the world. For this reason, its media images and portrayals are ubiquitous and incessant. However, LA, also known as the "Queen of the Angels", is much more than what one sees on the evening news or views on the movie screen. It is a lively city drenched in art and ethnic culture, with a rich past, an exciting present, and a promising future. The basis for this Web site was started in 1996 by the late Dennis Thomison, a Reference Librarian at the University of Southern California, and is now maintained by members of USC's Information Services Division. This online collection utilizes the extensive archival resources available at the University of Southern California and takes viewers on a journey that explores various dynamics of LA's past, present, and future. Each category provides Internet links that opens a window into the world of LA and offers users the opportunity to broaden their horizons regarding LA's diversity and richness. Viewers have access to information such as LA's discovery and settlement, its historical cemeteries, images, and personalities, as well as ideas and visions of what the future may hold for the city. Current LA residents, as well as those looking to one day visit or relocate to the area, may want to bookmark this site.

Thomison, Dennis, 1937-

1996-01-01

345

Epidemiology of pancreas cancer in Los Angeles  

SciTech Connect

The characteristics of the 3614 Los Angeles County residents in whom cancer of the exocrine pancreas was diagnosed during the period 1972-1977 were compared with those of all county residents and patients in whom any cancer was diagnosed during the same period. Seventy-nine percent of the diagnoses had been pathologically verified. This disease still preferentially afflicts the old, the black, and men, although the differences in risk with factors other than age are modest. The disease is not evenly distributed by social class, or over time, although it is not clear that the observed differences reflect etiology. The distributions with respect to important categories of occupation and industry, religion, marital status, geography of residence, and birthplace were rather uniform. Although there is no obvious explanation for any of several unexpected minor inequities in the pattern of incidence, there is no compelling evidence to support any specific environmental cause. There is substantial evidence which is inconsistent with those environmental hypotheses that have been proposed previously.

Mack, T.M.; Paganini-Hill, A.

1981-03-15

346

The Los Alamos high-brightness photoinjector  

SciTech Connect

For a number of years Los Alamos National Laboratory has been developing photocathode RF guns for high-brightness electron beam applications such as free-electron lasers (FELs). Previously thermionic high-voltage guns have been the source of choice for the electron accelerators used to drive FELs. The performance of such FELs is severely limited by the emittance growth produced by the subharmonic bunching process and also by the low peak current of the source. In a photoinjector, a laser driven photocathode is placed directly in a high-gradient RF accelerating cavity. A photocathode allows unsurpassed control over the current, and the spatial and temporal profile of the beam. In addition the electrodeless emission'' avoids many of the difficulties associated with multi-electrode guns, i.e. the electrons are accelerated very rapidly to relativistic energies, and there are no electrodes to distort the accelerating fields. For the past two years we have been integrating a photocathode into our existing FEL facility by replacing our thermionic gun and subharmonic bunchers with a high-gradient 1.3 GHz photoinjector. The photoinjector, which is approximately 0.6 m in length, produces 6 MeV, 300 A, 15 ps linac, and accelerated to a final energy of 40 MeV. We have recently begun lasing at wavelengths near 3 {mu}m. 16 refs., 2 figs., 5 tabs.

O'Shea, P.G.

1991-01-01

347

Intense ion beam research at Los Alamos  

SciTech Connect

Two new interdisciplinary programs are underway at Los Alamos involving the physics and technology of intense light ion beams. In contrast to high-power ICF applications, the LANL effort concentrates on the development of relatively low-voltage (50 to 800 kV) and long-pulsewidth (0.1 to 1 {mu}s) beams. The first program involves the 1.2 MV, 300-kJ Anaconda generator which has been fitted with an extraction ion diode. Long pulsewidth ion beams have been accelerated, propagated, and extracted for a variety of magnetic field conditions. The primary application of this beam is the synthesis of novel materials. Initial experiments on the congruent evaporative deposition of metallic and ceramic thin films are reported. The second program involves the development of a 120-keV, 50-kA, 1-{mu}s proton beam for the magnetic fusion program as an ion source for an intense diagnostic neutral beam. Ultra-bright, pulsed neutral beams will be required to successfully measure ion temperatures and thermalized alpha particle energy distributions in large, dense, ignited tokamaks such as ITER.

Rej, D.J.; Bartsch, R.R.; Davis, H.A.; Faehl, R.J.; Gautier, D.C.; Greenly, J.B.; Henins, I.; Linton, T.W.; Muenchausen, R.E.; Waganaar, W.J.

1992-07-01

348

Intense ion beam research at Los Alamos  

SciTech Connect

Two new interdisciplinary programs are underway at Los Alamos involving the physics and technology of intense light ion beams. In contrast to high-power ICF applications, the LANL effort concentrates on the development of relatively low-voltage (50 to 800 kV) and long-pulsewidth (0.1 to 1 {mu}s) beams. The first program involves the 1.2 MV, 300-kJ Anaconda generator which has been fitted with an extraction ion diode. Long pulsewidth ion beams have been accelerated, propagated, and extracted for a variety of magnetic field conditions. The primary application of this beam is the synthesis of novel materials. Initial experiments on the congruent evaporative deposition of metallic and ceramic thin films are reported. The second program involves the development of a 120-keV, 50-kA, 1-{mu}s proton beam for the magnetic fusion program as an ion source for an intense diagnostic neutral beam. Ultra-bright, pulsed neutral beams will be required to successfully measure ion temperatures and thermalized alpha particle energy distributions in large, dense, ignited tokamaks such as ITER.

Rej, D.J.; Bartsch, R.R.; Davis, H.A.; Faehl, R.J.; Gautier, D.C.; Greenly, J.B.; Henins, I.; Linton, T.W.; Muenchausen, R.E.; Waganaar, W.J.

1992-01-01

349

The Los Alamos Neutron Science Center  

NASA Astrophysics Data System (ADS)

The Los Alamos Neutron Science Center, or LANSCE, uses the first truly high-current medium-energy proton linear accelerator, which operated originally at a beam power of 1 MW for medium-energy nuclear physics. Today LANSCE continues operation as one of the most versatile accelerator-based user facilities in the world. During eight months of annual operation, scientists from around the world work at LANSCE to execute an extraordinarily broad program of defense and civilian research. Several areas operate simultaneously. The Lujan Neutron Scattering Center (Lujan Center) is a moderated spallation source (meV to keV), the Weapons Neutron Research Facility (WNR) is a bare spallation neutron source (keV to 800 MeV), and a new ultra-cold neutron source will be operational in 2005. These sources give LANSCE the ability to produce and use neutrons with energies that range over 14 orders of magnitude. LANSCE also supplies beam to WNR and two other areas for applications requiring protons. In a proton radiography (pRad) area, a sequence of narrow proton pulses is transmitted through shocked materials and imaged to study dynamic properties. In 2005, LANSCE began operating a facility that uses 100-MeV protons to produce medical radioisotopes. To sustain a vigorous program beyond this decade, LANSCE has embarked on a project to refurbish key elements of the facility and to plan capabilities beyond those that presently exist.

Lisowski, Paul W.; Schoenberg, Kurt F.

2006-06-01

350

NIST--Los Alamos racetrack microtron status  

SciTech Connect

The NIST-Los Alamos Racetrack Microtron (RTM) is designed to deliver a low-emittance electron beam of up to 0.5 mA cw over an energy range of 17 MeV to 185 MeV. Fed by a 5 MeV injector, the RTM contains two 180/degree/ end magnets that recirculate the beam up to 15 times through a 12 MeV RF linac. The linac, which operates in a standing-wave mode at 2380 MHz, has been tested to nearly full RF power. At present, the injector has undergone beam tests, and the beam transport system is complete through the 12 MeV linac. A temporary beam line has been installed at the exit of one end magnet to measure the beam energy, energy spread, and emittance after one pass through the accelerator. Preliminary results indicate that the accelerated beam energy spread and emittance are within design goals. 4 refs., 7 figs.

Wilson, M.A.; Ayres, R.L.; Cutler, R.I.; Debenham, P.H.; Lindstrom, E.R.; Mohr, D.L.; Penner, S.; Rose, J.E.; Young, L.M.

1988-01-01

351

Los Alamos upgrade in metallographic capabilities  

SciTech Connect

The Los Alamos Wing 9 Hot Cell Facility is in the process of upgrading their metallographic sample preparation and examination capability. The present capability to grind, polish and etch samples from reactor fuels and materials has been in operation for 18 years. Macro photography and alpha and beta-gamma autoradiography are an important part of this capability. Some of the fast breeder reactor experiments have contained sodium as a coolant. Therefore, the capability to distill sodium from some samples scheduled for microstructural examinations is a requirement. Since the reactor fuel samples are highly radioactive and contain plutonium, either as fabricated or as a result of breeding during reactor service, these samples must be handled in shielded hot cells containing alpha boxes to isolate the plutonium and hazardous fission products from personnel and the environment. The present equipment that was designed and built into those alpha boxes has functioned very well for the past 18 years. During that time the technicians have thought of ways to improve the equipment to do the work faster and safer. These ideas and ideas that have been developed during the design of new alpha boxes and new equipment for microstructural sample preparation have provided the concepts for the capability to perform the work faster and maintain the equipment in a safer manner.

Ledbetter, J.M.; Dowler, K.E.; Cook, J.H.

1985-01-01

352

Expanded recycling at Los Alamos National Laboratory  

SciTech Connect

The Pollution Prevention Program Office has increased recycling activities, reuse, and options to reduce the solid waste streams through streamlining efforts that applied best management practices. The program has prioritized efforts based on volume and economic considerations and has greatly increased Los Alamos National Laboratory`s (LANL`s) recycle volumes. The Pollution Prevention Program established and chairs a Solid Waste Management Solutions Group to specifically address and solve problems in nonradioactive, Resource Conservation and Recovery Act (RCRA), state-regulated, and sanitary and industrial waste streams (henceforth referred to as sanitary waste in this paper). By identifying materials with recycling potential, identifying best management practices and pathways to return materials for reuse, and introducing the concept and practice of {open_quotes}asset management,{open_quotes} the Group will divert much of the current waste stream from disposal. This Group is developing procedures, agreements, and contracts to stage, collect, sort, segregate, transport and process materials, and is also garnering support for the program through the involvement of upper management, facility managers, and generators.

Betschart, J.F.; Malinauskas, L.; Burns, M.

1996-07-01

353

El poder de los padres: Lo que los padres deben saber y hacer para ayudar a prevenir el embarazo en los adolescentes (Parent Power: What Parents Need to Know and Do to Help Prevent Teen Pregnancy).  

ERIC Educational Resources Information Center

|This guide discusses the importance of parent influence in preventing teen pregnancy, offering insights from research regarding: closeness between parents and their children; parent-child communication; parental attitudes and values about abstinence and/or the dangers of unprotected sex; parents' reluctance to discuss the issue; parental…

National Campaign To Prevent Teen Pregnancy, Washington, DC.

354

URBAN PLANNING MANAGEMENT SYSTEM IN LOS ANGELES: AN OVERVIEW  

Microsoft Academic Search

This paper gives an overview of the urban planning management system in Los Angeles, United States. This system consists of institutional subsystem, legal subsystem, operational subsystem, and technical subsystem. The City of Los Angeles Planning Department carries out its urban planning responsibilities in accordance with the General Plan Guidelines promulgated by the Governor’s Office of Planning and Research. The planning

Xueming Chen

2009-01-01

355

Lessons in Leadership: Robert Oppenheimer and the Los Alamos Laboratory  

Microsoft Academic Search

The leadership of Robert Oppenheimer, Director of the Los Alamos Laboratory during WWII, serves as a vivid lesson in leadership. The recollections of those who worked with Oppenheimer at Los Alamos clearly attribute much of the success of the laboratory to Oppenheimer's leadership. Of specific interest are: Oppenheimer's efforts in recruiting, his ability to create a sense of meaning and

RICHARD C. RINGER

2007-01-01

356

Los Angeles Tries Luring Back Dropouts via Social Networks  

ERIC Educational Resources Information Center

|This article reports that education leaders in Los Angeles, faced with unrelenting pressure to raise anemic high school graduation rates, are turning to YouTube, MySpace, text messaging, and the radio waves to reach students at risk of dropping out of school and lure back thousands who have already left. The Los Angeles Unified School…

Maxwell, Lesli A.

2007-01-01

357

Roberto Gutierrez and the Art of Mapping Latino Los Angeles  

ERIC Educational Resources Information Center

|Chicano artist Roberto Gutierrez is one of the most important artists to come out of the East Los Angeles artistic boom of the early 1970s. Gutierrez's life and the significance of his work to the evolving Chicano artistic narrative about Latino life and aesthetics in Los Angeles are discussed.|

Orozco, Jose

2004-01-01

358

Envisioning a Public Research Agenda in Los Angeles  

ERIC Educational Resources Information Center

|The University of California, Los Angeles is an institution founded on a public mission and positioned as a world-renowned research university. This article describes the successes, challenges and future directions of a concerted institutional effort to engage with the broader Los Angeles community to address pressing social issues and needs. The…

Vogelgesang, Lori J.; Gilliam, Franklin D., Jr.; O'Byrne, Kathy; Leal-Sotelo, Margaret

2006-01-01

359

Glitches in Los Angeles Payroll System Spark Furor  

ERIC Educational Resources Information Center

|Thousands of Los Angeles teachers have not been paid properly for months because of errors in a corporate-style payroll system that was introduced in January as part of a sweeping, $95 million computer modernization. The Los Angeles Unified School District acknowledges that the payroll system's rollout was rushed and tainted by numerous…

Trotter, Andrew

2007-01-01

360

The Los Alamos Space Science Outreach (LASSO) Program  

Microsoft Academic Search

The Los Alamos Space Science Outreach (LASSO) program features summer workshops in which K-14 teachers spend several weeks at LANL learning space science from Los Alamos scientists and developing methods and materials for teaching this science to their students. The program is designed to provide hands-on space science training to teachers as well as assistance in developing lesson plans for

P. L. Barker; R. M. Skoug; R. J. Alexander; M. F. Thomsen; S. P. Gary

2002-01-01

361

Occupational Status Attainment Among Ethnic Groups in Los Angeles  

Microsoft Academic Search

In a nation of immigrants Los Angeles is increasingly a city of new immigrants. As of 1980,which is the most recent date for which good data are available, 20 percent of the population of the Los Angeles metropolitan area had been born abroad, mostly in Latin America and various Asian countries. Whereas New York historically has been the major port

Donald J. Treiman; Vivian Lew; Hye-Kyung Lee; Thad A. Brown

1986-01-01

362

Coca-Cola Hispanic Education Fund: Los Angeles Program Description.  

ERIC Educational Resources Information Center

|The Coca-Cola Hispanic Education Fund was created in response to the high school dropout problem in Los Angeles. The Fund enables the Coca-Cola Bottling Company of Los Angeles to build upon the successful relationship it has developed in the Hispanic community and maximizes the effectiveness of existing student support programs by directing needy…

Coca Cola Bottling Co. of Los Angeles, CA.

363

La deforestación y los derechos de propiedad en América Latina  

Microsoft Academic Search

En el presente documento se analiza la vinculación entre los derechos de propiedad y la deforestación en América Latina. Según ese análisis, hay dos esferas separadas en que las cuestiones relacionadas con la tenencia inciden sobre el interés en el desmonte, a saber, la seguridad de los derechos de propiedad individual sobre las tierras agrícolas establecidas y sus efectos sobre

Carlos Felipe Jaramillo; Thomas Kelly

1999-01-01

364

Contributions of chemistry in early day Los Alamos  

Microsoft Academic Search

During 1943--1945, the premier physics laboratory in the world was at Los Alamos, but chemistry contributions were vital. Major chemical impacts on the success of the Los Alamos wartime mission included electrochemistry, which found the true melting point of plutonium metal to be hundreds of degrees lower than anticipated. This discovery had profound simplifying effects regarding crucibles to contain molten

R. A. Penneman; R. A. Meade

1990-01-01

365

Analysis of Los Angeles Photochemical Smog Data: A Statistical Overview  

Microsoft Academic Search

A research project has been under way to investigate air pollution problems in Los Angeles County with the help of the data supplied by the Los Angeles County Air Pollution Control District. These data consist of measurements of primary pollutants such as nitric oxide, hydrocarbons, carbon monoxide, sulfur dioxide and particu-lates, and secondary pollutants such as ozone and nitrogen dioxide,

G. C. Tiao; G. E. P. Box; W. J. Hamming

1975-01-01

366

Virtual instruments -- A Los Alamos experiment  

SciTech Connect

Changing priorities, shrinking budgets, reduced personnel, and collapsed time schedules in post-Cold War Los Alamos have forced project managers to face software ``time-to-market`` issues similar to their commercial counterparts. Programs that are funded over a period of several years are now the exception rather than the norm. Projects are much more diverse and have more clearly defined goals and termination points compared with the previous objective of incremental improvements through a series of developmental efforts. Software development and support for such projects has to be less costly than before, since the software is a ``throwaway`` when the project is over. The authors came up with a wish list for a software development system that would meet their needs. The list includes: (1) higher productivity, faster turnaround than the present approach of starting from scratch in C or FORTRAN; (2) flexibility--able to make moderate changes in program flow without significant setbacks in the development schedule; (3) high-level focus--spending more time on the algorithms and less time on GUI or driver issues; (4) greater code reusability, and good mechanisms for documenting code flow and code modifications; (5) multiplatform implementations--IBM-PC, Sun, Mac, not so much for code porting but for user training issues; (6) reasonable code execution speeds--able to keep up with data acquisition rates required for the project; (7) ability to link-in external code when necessary; (8) sufficient debugging tools; (9) satisfactory product support and response times to questions (hours, not days); and (10) vital life signs from the vendor`s R and D department--upgrades, bug fixes, enhancements, response to customer feedback.

Khalsa, N.S.

1995-10-01

367

Beam funneling studies at Los Alamos  

SciTech Connect

Funneling two ion beams by interlacing their bunches can reduce the cost and complexity of systems producing intense beams. Applications of funneling could include accelerators for heavy ion inertial fusion, electronuclear breeding, and fusion materials irradiation. Funneling in an RFQ-like structure is an elegant solution at low energy where electric fields are needed to provide strong focusing. Discrete-element funnels, with separate focusing elements, bending magnets, rebunchers and if deflectors, are more flexible. At sufficiently high energies, magnetic-quadrupole lenses can provide strong focusing in a discrete-element funnel. Such a funnel has been designed as a preliminary example of a second funnel in the HIBALL-II accelerator system. In a simulation, two Bi/sup +1/ (mass = 209 amu) beams at 0.5 MeV/A, 20 MHz, 40-mA, separated by 55 cm and angled at +-6/degree/ were combined into a single 80-mA beam at 40 MHz. Emittance growth was calculated, by a modified version of the PIC (particle-in-cell) code PARMILA, to be about 1%. Funnel design experience at Los Alamos has evolved rules-of-thumb that reduce emittance growth. Some of these are to maintain focusing periodicity and strength in both transverse and longitudinal directions; use strong focusing so that the bunch will be small; minimize angles of bend and rf deflection; adjust longitudinal focusing to produce a short bunch at the rf deflector; and design rf deflectors for a uniform electrical field. 4 refs., 3 figs., 2 tabs.

Stovall, J.E.; Guy, F.W.; Stokes, R.H.; Wangler, T.P.

1988-01-01

368

Waste characterization at Los Alamos National Laboratory  

SciTech Connect

Most industries generate limited types of solid wastes of a result of their manufacturing processes. The Los Alamos National Laboratory (LANL), a research and development facility, generates a large variety of solid wastes, some exotic. Over 50,000 distinct waste streams are currently generated in the 43 square mile area defining LANL. These wastes include refuse, medical, infectious, hazardous, radioactive, and mixed wastes. LANL is subject to federal and State oversight on matters concerning management of solid wastes. In order to assure regulatory agencies such as the New Mexico Environment Department (NMED) and the US Environmental Protection Agency (EPA) that the Laboratory is properly managing and disposing all solid wastes. LANL has undertaken an extensive waste characterization program to identify sources and ultimate disposition of all solid wastes. Given the number of solid waste streams expected, LANL has taken a two-pronged approach to characterizing wastes: (a) physical identification of all sources of solid wastes including interviews with waste generators; and (b) characterization of wastes from the point of generation. The former approach consists of canvassing all structures within the LANL complex, interviewing waste generators, and identifying sources of waste generation. Data gathered by these interviews are compiled in a database in order to identify the types and rates of waste generation and correct mismanagement of wastes identified during the interviews. The latter approach consists of characterizing all solid wastes which are controlled administratively or subject to stricter controls than municipal solid wastes (i.e., infectious, hazardous, radioactive, and mixed wastes). This characterization forms the basis by which LANL will manage solid waste in accordance to NMED/EPA regulations and US Department of Energy Orders. 8 refs., 3 figs.

Corpion, J.C.; Grieggs, A.R.

1991-01-01

369

Recent UCN source developments at Los Alamos  

SciTech Connect

The most intense sources of ultra cold neutrons (UCN) have bee built at reactors where the high average thermal neutron flux can overcome the low UCN production rate to achieve usable densities of UCN. At spallation neutron sources the average flux available is much lower than at a reactor, though the peak flux can be comparable or higher. The authors have built a UCN source that attempts to take advantage of the high peak flux available at the short pulse spallation neutron source at the Los Alamos Neutron Science Center (LANSCE) to generate a useful number of UCN. In the source UCN are produced by Doppler-shifted Bragg scattering of neutrons to convert 400-m/s neutrons down into the UCN regime. This source was initially tested in 1996 and various improvements were made based on the results of the 1996 running. These improvements were implemented and tested in 1997. In sections 2 and 3 they discuss the improvements that have been made and the resulting source performance. Recently an even more interesting concept was put forward by Serebrov et al. This involves combining a solid Deuterium UCN source, previously studied by Serebrov et al., with a pulsed spallation source to achieve world record UCN densities. They have initiated a program of calculations and measurements aimed at verifying the solid Deuterium UCN source concept. The approach has been to develop an analytical capability, combine with Monte Carlo calculations of neutron production, and perform benchmark experiments to verify the validity of the calculations. Based on the calculations and measurements they plan to test a modified version of the Serebrov UCN factory. They estimate that they could produce over 1,000 UCN/cc in a 15 liter volume, using 1 {micro}amp of 800 MeV protons for two seconds every 500 seconds. They will discuss the result UCN production measurements in section 4.

Seestrom, S.J.; Anaya, J.M.; Bowles, T.J. [and others

1998-12-01

370

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

NASA Astrophysics Data System (ADS)

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

Ramos Pastrana, Nilsa

371

A través de los ojos de Carl Marx: reseña de los escritos de Marx sobre América Latina en Alberto Fillipi  

Microsoft Academic Search

La historia de las instituciones latinoamericanas es compleja, densa y ambivalente. Italiano de nacimiento, pero venezolano por opción; el profesor Alberto Fillipi es considerado como uno de los principales estudiosos de las instituciones latinoamericanas en el mundo. En su obra, Las Instituciones e Ideologías en la Independencia Hispanoamericana, Fillipi recoge un conjunto de ensayos los cuales fueron escritos en diferentes

Maximiliano Korstanje

2007-01-01

372

The Los Angeles Riots Revisited: The Changing Face of the Los Angeles Unified School District and the Challenge for Educators  

ERIC Educational Resources Information Center

|This article provides a brief history of the Los Angeles Unified School District (LAUSD), including an analysis of the demographic shifts and the tensions between the African American and Korean American communities at the time of the Los Angeles riots in 1992. The article includes my own experiences teaching high school English during the…

Davis, Donna M.

2007-01-01

373

SEISMIC DESIGN OF LOS QUILLAYES TAILINGS DAMS IN CHILE DISEÑO SISMICO DE LA PRESA DE RELAVES LOS QUILLAYES IN CHILE  

Microsoft Academic Search

The paper describes the characteristics of Los Quillayes high tailings dam currently in operation at Los Pelambres copper mine in Chile and also includes a description of the selected design earthquake, the geotechnical characterization of tailings sand including cyclic strength, and the stability analysis originally carried out, both 2D and 3D, and other design considerations. A description of the current

Luis Valenzuela

374

?-Cyclodextrin- para-aminosalicylic acid inclusion complexes  

NASA Astrophysics Data System (ADS)

Complex formation of ?-cyclodextrin with para-aminosalicylic acid in buffer solutions is studied by UV spectroscopy. It is found that the stoichiometric proportion of the components in the ?-cyclodextrin-para-aminosalicylic acid inclusion complex is 1:1. The Ketelar equation is used to calculate the stability constants of the inclusion complexes at different temperatures. The thermodynamic parameters of the complex formation process (?G, ?H, ?S) are calculated using the van't Hoff equation. The 1:1 ?-cyclodextrin-para-aminosalicylic acid inclusion complex is prepared in solid form and its characteristics are determined by IR spectroscopic and x-ray diffraction techniques.

Roik, N. V.; Belyakova, L. A.; Oranskaya, E. I.

2010-11-01

375

Comunicado de la FDA sobre la seguridad de los ...  

Center for Drug Evaluation (CDER)

... usa para reducir la frecuencia de crisis (exacerbaciones clínicas) y ... FDA Drug Safety Communication: Revised recommendations for cardiovascular ... More results from www.fda.gov/drugs/drugsafety

376

Comunicado de la FDA sobre la seguridad de los ...  

Center for Drug Evaluation (CDER)

... de alta hospitalaria para uno de varios trastornos psiquiátricos, incluyendo trastornos mentales inducidos por drogas, trastornos esquizofrénicos ... More results from www.fda.gov/drugs/drugsafety

377

La Evolución de los Sistemas de Pagos de Bajo Valor en el Perú  

Microsoft Academic Search

El trabajo describe el desarrollo de los sistemas interbancarios de pago de bajo valor en el Perú en el período 2005-2010. Se destaca que las transferencias de crédito han tenido una alta tasa de crecimiento en los últimos cinco años, aunque los valores y volúmenes alcanzados son aún más bajos que los obtenidos en la región. Los bajos niveles de

Marylin Choy; Victor Roca

2010-01-01

378

Seguridad alimentaria para futuras mamás: Puntos ...  

Center for Food Safety and Applied Nutrition (CFSAN)

Eventos de otoño ¡Bienvenida al otoño, la época para celebrar la cosecha, Halloween, el Día de Acción de Gracias y sus eventos deportivos ... More results from www.fda.gov/food/foodborneillnesscontaminants/peopleatrisk

379

10. Apéndice B: Requisitos adicionales para nutrientes ...  

Center for Food Safety and Applied Nutrition (CFSAN)

... Afirmaciones que utilizan el término "antioxidante". Para las afirmaciones que caracterizan el nivel de nutrientes antioxidantes de un alimento: ... More results from www.fda.gov/food/guidanceregulation/guidancedocumentsregulatoryinformation

380

Seguridad alimentaria para futuras mamás: Seguridad ...  

Center for Food Safety and Applied Nutrition (CFSAN)

... nocivas se multipliquen. En agua fría. Cambie el agua cada media hora para mantener el agua fría. Usando el microondas ... More results from www.fda.gov/food/foodborneillnesscontaminants/peopleatrisk

381

Seguridad alimentaria para futuras mamás: Recursos  

Center for Food Safety and Applied Nutrition (CFSAN)

... Seguridad alimentaria para futuras mamás, Aquí encontrará información de contacto y una lista de enlaces a sitios Web sobre seguridad ... More results from www.fda.gov/food/foodborneillnesscontaminants/peopleatrisk

382

SSH-Enabled ParaView  

Microsoft Academic Search

ParaView is a very powerful visualization tool used by many in the Department of Defense (DoD) high performance computing (HPC) community. It is both fast and flexible. It performs well on a user's desktop, but it can also scale to take advantage of clusters and large shared memory machines. Recently, ParaView has been adapted to run on the Linux clusters

Joel P. Martin; Rhonda J. Vickery; S. Ziegeler; R. Angelini

2009-01-01

383

Process for para-ethyltoluene dehydrogenation  

SciTech Connect

A process is described of dehydrogenating para-ethyltoluene to selectively form para-methylstyrene comprising contacting to para-ethyltoluene under dehydrogenation reaction conditions with a catalyst composition comprising: (a) from about 30% to 60% by weight of iron oxide, calculated as ferric oxide; (b) from about 13% to 48% by weight of a potassium compound, calculated as potassium oxide; and (c) from about 0% to 5% by weight of a chromium compound, calculated as chromic oxide. The improvement is described comprising dehydrogenating the para-ethyltoluene with a catalyst composition comprising, in addition to the components (a), (b) and (c), a modifying component (d) capable of rendering the para-methylstyrene-containing dehydrogenation reaction effluent especially resistant to the subsequent formation of popcorn polymers when the dehydrogenation of para-ethyltoluene is conducted over the modified catalyst, the modifying component (d) being a bismuth compound present to the extent of from about 1% to 20% by weight of the catalyst composition, calculated as bismuth trioxide.

Chu, C.C.

1986-06-03

384

Dating Desert Meteorites: The Los Angeles Experience  

NASA Astrophysics Data System (ADS)

The basaltic shergottite Los Angeles (LA) consists of two stones that are slightly to negligibly weathered. LA is petrologically similar to Shergotty and Zagami, both observed falls. We dated both stones by the Rb-Sr and Sm-Nd techniques. Our sample of LA#1 had visible patches of caliche on its surface. These were scraped away, and the sample coarsely crushed. A bulk sample was leached for 10 minutes in warm, 2N HCl, and the leachate and residue analysed. A second bulk sample was analysed without leaching. A third, more finely ground bulk sample also was analysed following 2N HCl leaching. Mineral separates of plagioclase and pyroxene were prepared by magnetic separation and handpicking, leached, and analysed. The Rb-Sr data showed the effects of terrestrial contamination, with data for the leachates forming a mixing line leading towards the Rb-Sr isotopic composition of plagioclase. The caliche was analysed and found to contain ~5260 ppm of Sr, but only ~34 ppm of Nd. A second set of mineral separates were leached more aggressively. The resultant data define a Rb-Sr isochron age of 165+/-11 Ma, in excellent agreement with previously determined Rb-Sr ages for Shergotty and Zagami. With one exception, Sm-Nd data for leachates of LA#1, combined with data for bulk samples and a plagioclase separate, give a Sm-Nd age of 172+/-8 Ma, in good agreement with the Rb-Sr age. A second plagioclase separate contained an isotopically distinct Nd contaminant, more radiogenic than caliche Nd. The sample of LA#2 was precleaned in 4N HCl and 4N HNO3 prior to crushing. About 30 mg of the sample dissolved during this procedure. Its Sr and Nd concentrations were ~170 and ~70 ppm, resp. The Rb-Sr data showed the presence of caliche, but the Sm-Nd isotopic data are colinear with other data on a Sm-Nd isochron diagram. This step extracted a large fraction of the REE, apparently from sample phosphates. Pyroxene mineral separates were further treated with (2N HCl + 5% HF), and the residues analysed. All the Sm-Nd data, including that for plagioclase (unleached), the preclean leachate, a leach/residue pair for a bulk sample, an unleached bulk sample, and the pyroxene residues, fall along the same isochron, defining a Sm-Nd age of 174+/-12 Ma. Chondrite normalized (Nd/Sm)CN = 1.7 for caliche, and ~0.45, ~0.85, and ~1.3 for LA pyroxene, bulk rock and leachates (phosphates), and plagioclase, respectively. These values for pyroxene and bulk rock are the same as for corresponding samples of Zagami; Zagami plagioclase separates were relatively impure, precluding comparison. Contributions from caliche to the Sr inventories of the LA samples varied from 0 to ~80%, as calculated from their measured 87Sr/86Sr ratios and the 87Sr/86Sr ratios of caliche and plagioclase. The (Nd/Sm)CN values for the samples do not vary with Sr contamination within this range, further suggesting that the Sm-Nd systematics of LA are virtually unaffected by the presence of caliche. The Sr isotopic data suggest that weathering of meteoritic plagioclase played a role in development of the caliche. A higher Nd/Sr ratio in caliche than in plagioclase may reflect some contribution from meteoritic phosphates as well.

Nyquist, L. E.; Reese, Y. D.

2001-12-01

385

Comunicado de la FDA sobre la seguridad de los ...  

Center for Drug Evaluation (CDER)

... entonces, se han publicado varios estudios epidemiológicos enfocados en la relación entre los bifosfonatos por vía oral y el cáncer de esófago con ... More results from www.fda.gov/drugs/drugsafety

386

Explosive Flux Compression: 50 Years of Los Alamos Activities  

SciTech Connect

Los Alamos flux compression activities are surveyed, mainly through references in view of space limitations. However, two plasma physics programs done with Sandia National Laboratory are discussed in more detail.

Fowler, C.M.; Thomson, D.B.; Garn, W.B.

1998-10-18

387

Comunicado de la FDA sobre la seguridad de los ...  

Center for Drug Evaluation (CDER)

... historia de convulsiones o que tienen insuficiencia renal (de los riñones) moderada o severa (medida como depuración de creatinina [CrCl] inferior ... More results from www.fda.gov/drugs/drugsafety

388

Fine Pore Diffuser Fouling: The Los Angeles Studies.  

National Technical Information Service (NTIS)

This report describes five fine pore diffuser evaluations conducted at three different wastewater treatment plants located in the greater Los Angeles area. The overall goal of the study was to evaluate the performance of fine pore diffusers using selected...

M. K. Stenstrom G. Masutani

1994-01-01

389

Los Alamos Sferic Array: Ground Truth for the FORTE Satellite.  

National Technical Information Service (NTIS)

This paper describes the operation and performance of the Los Alamos National Laboratory (LANL) sferic array, providing an overview of the first two years of operation and highlighting some initial results. The geolocation performance has been evaluated t...

D. A. Smith K. B. Eack J. Harlin M. J. Heavener A. R. Jacobson R. S. Massey X. M. Shao K. C. Wiens

2000-01-01

390

Some Results of Applied Spallation Physics Research at Los Alamos.  

National Technical Information Service (NTIS)

At the Los Alamos National Laboratory, we have an active effort in the general area of Applied Spallation Physics Research. The main emphasis of this activity has been on obtaining basic data relevant to spallation neutron source development, accelerator ...

G. J. Russell J. S. Gilmore

1983-01-01

391

Los Angeles Library Fire--Learning the Hard Way.  

ERIC Educational Resources Information Center

Describes the damage and salvage efforts resulting from the burning of the Los Angeles Central Library in 1986, and makes several recommendations for fire and arson prevention measures and contingency salvage plans. (CLB)

Morris, John

1987-01-01

392

Ley de Modernización de la Inocuidad de los Alimentos ...  

Center for Food Safety and Applied Nutrition (CFSAN)

... transmitidas por los alimentos afectan a 48 millones de estadounidenses, causando la hospitalización de cien mil y la muerte de millares. ... More results from www.fda.gov/food/guidanceregulation/fsma

393

Spent-fuel verification with the Los Alamos fork detector  

SciTech Connect

The Los Alamos fork detector for the verification of spent-fuel assemblies has generated precise, reproducible data. The data analyses have now evolved to the point of placing tight restrictions on a diverter's actions.

Rinard, P.M.; Bosler, G.E.

1987-01-01

394

Impacts of Transportation Control Strategies on Los Angeles Air Quality.  

National Technical Information Service (NTIS)

A photochemical/diffusion simulation model is employed to evaluate four control strategies for reducing air pollution in Los Angeles. Three previously tested, representative air trajectories serve as baseline cases using 1969 emission levels. Transportati...

J. R. Martinez R. A. Nordsieck A. Q. Eschenroeder

1973-01-01

395

Collaborative Network Evolution: The Los Angeles Terrorism Early Warning Group.  

National Technical Information Service (NTIS)

This study bridges the narrow divide between collaboration theory and networking and views organizations as a source of collaborative processes. Social network analysis is applied to determine how the Los Angeles Terrorism Early Warning Group (TEW) evolve...

S. M. Rust

2006-01-01

396

1993 Northern goshawk inventory on portions of Los Alamos National Laboratory, Los Alamos, NM. Final report  

SciTech Connect

Northern goshawks (Accipiter gentilis) (hereafter referred to as goshawk) is a large forest dwelling hawk. Goshawks may be declining in population and reproduction in the southwestern United States. Reasons for the possible decline in goshawk populations include timber harvesting resulting in the loss of nesting habitat, toxic chemicals, and the effects of drought, fire, and disease. Thus, there is a need to determine their population status and assess impacts of management activities in potential goshawk habitat. Inventory for the goshawk was conducted on 2,254 ha of Los Alamos National Laboratory (LANL) to determine the presence of nesting goshawks on LANL lands. This information can be incorporated into LANL`s environmental management program. The inventory was conducted by Colorado State University personnel from May 12 to July 30, 1993. This report summarizes the results of this inventory.

Sinton, D.T.; Kennedy, P.L. [Colorado State Univ., Fort Collins, CO (United States). Dept. of Fishery and Wildlife Biology

1994-06-01

397

SBIRS high payload LOS attitude determination and calibration  

Microsoft Academic Search

This paper describes the space-based infrared sensor (SBIRS) payload line-of-sight (LOS) attitude determination and calibration algorithm required for both GEO and HEO missions. Included in the algorithm are three multi-state extended Kalman filters (EKFs) which correct the payload LOS attitude error as well as on-gimbal gyro bias error using celestial observations. For the GEO mission, the celestial observations are obtained

A. Wu

1998-01-01

398

Audit of consultant agreements at Los Alamos National Laboratory  

SciTech Connect

The Department of Energy`s (Department) Albuquerque Operations Office (Albuquerque) and Los Alamos National Laboratory (Los Alamos) are responsible for acquiring consulting services in a manner most advantageous to the Government by ensuring adequate competition. Although the Department prefers competitively awarding subcontracts, including consultant agreements, to ensure the lowest possible cost, it allows sole sourcing a subcontract if the sole source is fully justified. The objective of the audit was to determine whether Los Alamos` consultant agreements contained adequate sole source justifications. The audit showed that Los Alamos may not have acquired some of its consultant agreements at the lowest possible cost because it did not prepare adequate sole source justifications for 17 sole source consultant agreements valued at $842,900. This condition existed because: (1) requesters did not follow policies and procedures when preparing sole source justifications, (2) Los Alamos did not have an internal mechanism to reject consultant agreements that were not adequately justified, and (3) the Department did not review consultant agreements to evaluate the adequacy of sole source justifications. Without adequate justifications, the Department cannot be assured that consultant services were obtained at the lowest possible cost. We therefore recommended that the Manager, Albuquerque Operations Office require Los Alamos to ensure proper sole source justifications and enhance internal controls over consultant agreements. Management agreed to implement the recommendations.

NONE

1996-02-23

399

Los Alamos low-level waste performance assessment status  

SciTech Connect

This report reviews the documented Los Alamos studies done to assess the containment of buried hazardous wastes. Five sections logically present the environmental studies, operational source terms, transport pathways, environmental dosimetry, and computer model development and use. This review gives a general picture of the Los Alamos solid waste disposal and liquid effluent sites and is intended for technical readers with waste management and environmental science backgrounds but without a detailed familiarization with Los Alamos. The review begins with a wide perspective on environmental studies at Los Alamos. Hydrology, geology, and meteorology are described for the site and region. The ongoing Laboratory-wide environmental surveillance and waste management environmental studies are presented. The next section describes the waste disposal sites and summarizes the current source terms for these sites. Hazardous chemical wastes and liquid effluents are also addressed by describing the sites and canyons that are impacted. The review then focuses on the transport pathways addressed mainly in reports by Healy and Formerly Utilized Sites Remedial Action Program. Once the source terms and potential transport pathways are described, the dose assessment methods are addressed. Three major studies, the waste alternatives, Hansen and Rogers, and the Pantex Environmental Impact Statement, contributed to the current Los Alamos dose assessment methodology. Finally, the current Los Alamos groundwater, surface water, and environmental assessment models for these mesa top and canyon sites are described.

Wenzel, W.J.; Purtymun, W.D.; Dewart, J.M.; Rodgers, J.E. (comps.)

1986-06-01

400

40 CFR 52.227 - Control strategy and regulations: Particulate matter, Metropolitan Los Angeles Intrastate Region.  

Code of Federal Regulations, 2013 CFR

...strategy and regulations: Particulate matter, Metropolitan Los Angeles Intrastate...strategy and regulations: Particulate matter, Metropolitan Los Angeles Intrastate...the secondary standards for particulate matter in the Metropolitan Los Angeles...

2013-07-01

401

40 CFR 81.17 - Metropolitan Los Angeles Air Quality Control Region.  

Code of Federal Regulations, 2010 CFR

...2010-07-01 false Metropolitan Los Angeles Air Quality Control Region. 81.17...Regions § 81.17 Metropolitan Los Angeles Air Quality Control Region. The Metropolitan Los Angeles Air Quality Control Region...

2010-07-01

402

40 CFR 52.227 - Control strategy and regulations: Particulate matter, Metropolitan Los Angeles Intrastate Region.  

Code of Federal Regulations, 2010 CFR

...Particulate matter, Metropolitan Los Angeles Intrastate Region. 52.227 Section...Particulate matter, Metropolitan Los Angeles Intrastate Region. (a) The requirements...particulate matter in the Metropolitan Los Angeles Intrastate Region. (b) The...

2009-07-01

403

40 CFR 52.227 - Control strategy and regulations: Particulate matter, Metropolitan Los Angeles Intrastate Region.  

Code of Federal Regulations, 2010 CFR

...Particulate matter, Metropolitan Los Angeles Intrastate Region. 52.227 Section...Particulate matter, Metropolitan Los Angeles Intrastate Region. (a) The requirements...particulate matter in the Metropolitan Los Angeles Intrastate Region. (b) The...

2010-07-01

404

40 CFR 81.17 - Metropolitan Los Angeles Air Quality Control Region.  

Code of Federal Regulations, 2010 CFR

...2009-07-01 false Metropolitan Los Angeles Air Quality Control Region. 81.17...Regions § 81.17 Metropolitan Los Angeles Air Quality Control Region. The Metropolitan Los Angeles Air Quality Control Region...

2009-07-01

405

Los Angeles Department of Water and Power Electric and Hybrid Vehicle Program site operator program.  

National Technical Information Service (NTIS)

The Los Angeles Department of Water and Power (LADWP), a municipal utility serving the citizens of Los Angeles, marked its tenth year of involvement in testing and promoting electric vehicles as part of Los Angeles' overall air quality improvement program...

1998-01-01

406

83. FIRST AND SECOND AQUEDUCTS LOOKING EAST/NORTHEAST Los Angeles ...  

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

83. FIRST AND SECOND AQUEDUCTS LOOKING EAST/NORTHEAST - Los Angeles Aqueduct, From Lee Vining Intake (Mammoth Lakes) to Van Norman Reservoir Complex (San Fernando Valley), Los Angeles, Los Angeles County, CA

407

Wave Conditions for Proposed Harbor Development in Los Angeles Outer Harbor, Los Angeles, California, Supplemental Tests. Coastal Model Investigation.  

National Technical Information Service (NTIS)

A 1:100 scale (undistorted) hydraulic model of Los Angeles Outer Harbor, California, was used to investigate short-period storm and subsequent wave conditions for proposed harbor development located near the Angel's Gate entrance. The model reproduced the...

H. F. Acuff R. R. Bottin

1991-01-01

408

Energy Savers: Tips for Saving Energy and Money at Home; El Ahorro de Energa: Sugerencias para ahorrar energa y dinero en el hogar  

SciTech Connect

The Department of Energy of the United States of America works to guarantee provisions of safe energy, reliable and economically accessible to support to one developing economy and to protect the atmosphere. These suggestions and ideas to increase the energy efficiency in their house represent simple ways in which our citizens can contribute to preserve the atmosphere at world-wide level, to reduce the level of contamination of the air and to reserve our natural resources for future generations. [Spanish] El Departamento de Energa de los Estados Unidos de America trabaja para garantizar suministros de energa seguros, confiables y econmicamente accesibles para apoyar a una economa en desarrollo y proteger el medio ambiente. Estas sugerencias e ideas para aumentar la eficiencia energetica en su casa representan maneras sencillas en que nuestros ciudadanos pueden contribuir a preservar el medio ambiente a nivel mundial, a reducir el nivel de contaminacin del aire y a reservar nuestros recursos naturales para las generaciones futuras.

Jones, J.

2000-06-01

409

Desenvolvimento de ímãs para sensor de velocidade para motor de arranque de avião  

Microsoft Academic Search

Resumo Este trabalho teve por objetivo o desenvolvimento de ímãs de ferrita a serem utilizados em sensor de velocidade para motor de arranque de um avião, fabricado pela empresa Aeromot de Canoas - RS. Dois tipos de ímãs foram solicitados pela empresa: na forma de cilindro e na forma de anel. Para a confecção dos ímãs, foi utilizada uma matéria-prima

Moisés de Mattos Dias; Lírio Schaeffer; Arão de Matos Dias; José Lesina Cezar; José Carlos; Krause de Verney

410

Para-hydrogen perspectives in hyperpolarized NMR  

NASA Astrophysics Data System (ADS)

The first instance of para-hydrogen induced polarization (PHIP) in an NMR experiment was serendipitously observed in the 1980s while investigating a hydrogenation reaction (Seldler et al., 1983; Bowers and Weitekamp, 1986, 1987; Eisenschmid et al., 1987) [1–4]. Remarkably a theoretical investigation of the applicability of para-hydrogen as a hyperpolarization agent was being performed in the 1980's thereby quickly providing a theoretical basis for the PHIP-effect (Bowers and Weitekamp, 1986) [2]. The discovery of signal amplification by a non-hydrogenating interaction with para-hydrogen has recently extended the interest to exploit the PHIP effect, as it enables investigation of compounds without structural alteration while retaining the advantages of spectroscopy with hyperpolarized compounds [5]. In this article we will place more emphasis of the future applications of the method while only briefly discussing the efforts that have been made in the understanding of the phenomenon and the development of the method so far.

Glöggler, Stefan; Colell, Johannes; Appelt, Stephan

2013-10-01

411

TURISMO: UN NUEVO ENFOQUE DISCIPLINARIO PARA LA ENSEÑANZA ACADÉMICA  

Microsoft Academic Search

En el siguiente ensayo indagamos en forma teórica, sobre los tres componentes doctrinarios que caracterizan gran parte de los abordajes en la disciplina turística; y que de alguna u otra manera han sido importados de otras disciplinas de mayor antigüedad. A lo largo de los años, la disciplina se ha nutrido de algunos puntos en común con las llamadas “Ciencias

Maximiliano Korstanje

2009-01-01

412

Environmental assessment for effluent reduction, Los Alamos National Laboratory, Los Alamos, New Mexico  

SciTech Connect

The Department of Energy (DOE) proposes to eliminate industrial effluent from 27 outfalls at Los Alamos National Laboratory (LANL). The Proposed Action includes both simple and extensive plumbing modifications, which would result in the elimination of industrial effluent being released to the environment through 27 outfalls. The industrial effluent currently going to about half of the 27 outfalls under consideration would be rerouted to LANL`s sanitary sewer system. Industrial effluent from other outfalls would be eliminated by replacing once-through cooling water systems with recirculation systems, or, in a few instances, operational changes would result in no generation of industrial effluent. After the industrial effluents have been discontinued, the affected outfalls would be removed from the NPDES Permit. The pipes from the source building or structure to the discharge point for the outfalls may be plugged, or excavated and removed. Other outfalls would remain intact and would continue to discharge stormwater. The No Action alternative, which would maintain the status quo for LANL`s outfalls, was also analyzed. An alternative in which industrial effluent would be treated at the source facilities was considered but dismissed from further analysis because it would not reasonably meet the DOE`s purpose for action, and its potential environmental effects were bounded by the analysis of the Proposed Action and the No Action alternatives.

NONE

1996-09-11

413

75 FR 24957 - Decision to Evaluate a Petition to Designate a Class of Employees From the Los Alamos National...  

Federal Register 2010, 2011, 2012, 2013

...Petition to Designate a Class of Employees From the Los Alamos National Laboratory, Los Alamos, NM, To Be Included in the Special Exposure...petition to designate a class of employees from the Los Alamos National Laboratory, Los Alamos, New...

2010-05-06

414

A progress report on UNICOS misuse detection at Los Alamos  

SciTech Connect

An effective method for detecting computer misuse is the automatic monitoring and analysis of on-line user activity. During the past year, Los Alamos enhanced its Network Anomaly Detection and Intrusion Reporter (NADIR) to include analysis of user activity on Los Alamos` UNICOS Crays. In near real-time, NADIR compares user activity to historical profiles and tests activity against expert rules. The expert rules express Los Alamos` security policy and define improper or suspicious behavior. NADIR reports suspicious behavior to security auditors and provides tools to aid in follow-up investigations. This paper describes the implementation to date of the UNICOS component of NADIR, along with the operational experiences and future plans for the system.

Thompson, J.L.; Jackson, K.A.; Stallings, C.A.; Simmonds, D.D.; Siciliano, C.L.B.; Pedicini, G.A. [Los Alamos National Lab., NM (United States). Computing, Information and Communications Div.

1995-10-01

415

Publications of Los Alamos research, 1977-1981  

SciTech Connect

This bibliography is a compilation of unclassified publications of work done at the Los Alamos National Laboratory for 1977-1981. Papers published in those years are included regardless of when they were actually written. Publications received too late for inclusion in earlier compilations have also been listed. Declassification of previously classified reports is considered to constitute publication. All classified issuances are omitted - even those papers, themselves unclassified, which were published only as part of a classified document. If a paper was published more than once, all places of publication are included. The bibliography includes Los Alamos National Laboratory reports, papers released as non-Laboratory reports, journal articles, books, chapters of books, conference papers either published separately or as part of conference proceedings issued as books or reports, papers published in congressional hearings, theses, and US patents. Publications by Los Alamos authors that are not records of Laboratory-sponsored work are included when the Library becomes aware of them.

Sheridan, C.J.; Garcia, C.A. (comps.)

1983-03-01

416

Uso seguro de los medicamentos después de un desastre ...  

Center for Drug Evaluation (CDER)

... El Centro para la Evaluación e Investigación de Medicamentos (CDER, por su sigla en inglés) y la FDA ofrecen la siguiente información sobre el ... More results from www.fda.gov/drugs/emergencypreparedness

417

Comunicado de la FDA sobre la seguridad de los ...  

Center for Drug Evaluation (CDER)

... Las estatinas son un tipo de medicamentos recetados que se usan junto con dieta y ejercicio para reducir el nivel de colesterol de lipoproteínas de ... More results from www.fda.gov/drugs/drugsafety

418

Comunicado de la FDA sobre la seguridad de los ...  

Center for Drug Evaluation (CDER)

Text Version... analgésicos Duragesic (fentanilo) para mayor seguridad y enfatiza que la exposición accidental a parches usados puede causar la muerte ... More results from www.fda.gov/downloads/drugs/drugsafety

419

Evaluación de la Seguridad de los Productos Biológicos a lo ...  

Center for Biologics Evaluation and Research (CBER)

Text Version... enfermas. Piensen, por ejemplo, en la quimioterapia para un tratamiento contra el cáncer. ... label”). Piensen en el cáncer. ... More results from www.fda.gov/downloads/biologicsbloodvaccines/internationalactivities

420

Comunicado de la FDA sobre la seguridad de los ...  

Center for Drug Evaluation (CDER)

... para añadir un nuevo Recuadro con advertencia que informe sobre el riesgo de reactivación de una infeción con el virus de la hepatitis B (HBV por ... More results from www.fda.gov/drugs/drugsafety

421

Water supply at Los Alamos during 1993. Progress report  

SciTech Connect

This report summarizes production and aquifer conditions for water wells in the Guaje, Pajarito, and Otowi Well Fields. These wells supplied all of the potable water used for municipal and some industrial purposes in Los Alamos County and the Los Alamos National Laboratory during 1993. The wells in the Los Alamos Well Field were transferred to San Ildefonso Pueblo in 1992. Four of the wells in the Los Alamos Well Field were plugged in 1993. One of the two new wells in the Otowi Well Field became operational in 1993. The spring gallery in Water Canyon supplied nonpotable water for industrial use, while surface water from the Los Alamos Reservoir was diverted for irrigation. In 1993 no water was used from the Guaje Reservoir. Due to the maintenance and operating cost of diverting water from the reservoirs, it is not economically feasible to continue their use for irrigation. This report fulfills some of the requirements of the Los Alamos Groundwater Protection Management Program by documenting use of the groundwater for water supply and providing information hydrologic characteristics of the main aquifer. This report is a joint effort between the Laboratory Water Quality and Hydrology Group and the Utilities Department of Johnson Controls World Services Inc. (JCI). The purpose of this report is to ensure a continuing historical record and to provide guidance for management of water resources in long-range planning for the water supply system. We have issued one summary report for the period of 1947 to 1971 and 22 annual reports that contain the results of our studies of these water supplies. An additional report summarized the hydrology of the main aquifer with reference to future development of groundwater supplies. A report was issued in 1988 that examined the status of wells and future water supply.

Purtymun, W.D.; Stoker, A.K.; McLin, S.G.; Maes, M.N.; Glasco, T.A.

1995-10-01

422

Impacto distributivo del gasto público en educación universitaria en España: un análisis de incidencia normativa para el nuevo milenio\\/Distributive Impact of Public Expenditure in Higher Education: A Benefit Incidence Analysis for the New Millennium  

Microsoft Academic Search

El trabajo presenta un análisis de la incidencia normativa del gasto público en educación universitaria durante los años 2000 y 2004 para el caso español. Las bases de datos utilizadas son el Panel de Hogares de la Unión Europea 2000 y la Encuesta de Condiciones de Vida 2004. En el estudio se aportan interesantes novedades metodológicas en la aplicación empírica

LAURA DE PABLOS ESCOBAR; MARÍA GIL IZQUIERDO

2011-01-01

423

The para radiation effects current simulator  

Microsoft Academic Search

The Parametric Analysis of Radiation effects software development is given the general title PARA. This report describes the development of algorithms and source codes for the simulation of radiation effects on CMOS ICs. The project concentrated on the simulation of total dose effects and the ways to establish\\/predict the operational lifetime and radiation tolerance of ICs. The switch level simulator

Bharat Bhuva; Sherra Kerns

1992-01-01

424

Los Alamos DP West Plutonium Facility decontamination project  

SciTech Connect

The DP West Plutonium Facility operated by the Los Alamos National Laboratory, Los Alamos, New Mexico, was decontaminated between April 1978 and April 1981. The facility was constructed in 1944 to 1945 to produce plutonium metal and fabricate parts for nuclear weapons. It was continually used as a plutonium processing and research facility until mid-1978. Decontamination operations included dismantling and removing gloveboxes and conveyor tunnels; removing process systems, utilities, and exhaust ducts; and decontaminating all remaining surfaces. This report describes glovebox and conveyor tunnel separations, decontamination techniques, health and safety considerations, waste management procedures, and costs of the operation.

Garde, R.; Cox, E.J.; Valentine, A.M.

1982-01-01

425

Los Pigmentos Vegetales y la Fotosíntesis  

NSDL National Science Digital Library

En esta lección se examinarán las dos principales clases de pigmentos fotosintéticos: las clorofilas y los carotenoides. Se analizarán sus estructuras bioquímicas y su biosíntesis, y se explicará además la organización de estos pigmentos en los sistemas fotosintéticos, que son complejos proteicos que colectan y convierten la energía luminosa en energía química.

426

Gang-related homicides in Los Angeles County.  

PubMed

The incidence of gang homicides in Los Angeles County has increased faster than that of non-gang homicides in the past decade. This study compares characteristics of gang homicide victims with those of non-gang homicide victims for the year 1987. In 1186 cases, gang members were more likely to be young Black men who died of gunshot wounds. Gang homicide victims were more likely to die of firearm injuries in the early evening, and were more likely to die in a relatively small area of Los Angeles County. Drive-by shooting was highly associated with gang homicide. PMID:8355004

Rogers, C

1993-07-01

427

Contributions of chemistry in early day Los Alamos  

SciTech Connect

During 1943--1945, the premier physics laboratory in the world was at Los Alamos, but chemistry contributions were vital. Major chemical impacts on the success of the Los Alamos wartime mission included electrochemistry, which found the true melting point of plutonium metal to be hundreds of degrees lower than anticipated. This discovery had profound simplifying effects regarding crucibles to contain molten plutonium and on its production. Other significant chemical contributions involved constant purification of plutonium for reuse, producing carrier-free gamma sources at unprecedented kilo-curie levels, and high polonium work. 8 refs.

Penneman, R.A.; Meade, R.A.

1990-01-01

428

The development of the atomic bomb, Los Alamos  

SciTech Connect

The historical presentation begins with details of the selection of Los Alamos as the site of the Army installation. Wartime efforts of the Army Corps of Engineers, and scientists to include the leader of Los Alamos, Robert Oppenheimer are presented. The layout and construction of the facilities are discussed. The monumental design requirements of the bombs are discussed, including but not limited to the utilization of the second choice implosion method of detonation, and the production of bomb-grade nuclear explosives. The paper ends with a philosophical discussion on the use of nuclear weapons.

Seidel, R.W.

1993-11-01

429

El comercio de los productos transgénicos: el estado del debate internacional  

Microsoft Academic Search

Los productos transgénicos mezclan aspectos contradictorios. La manipulación genética de cultivos permite desarrollar tanto productos con toxinas insecticidas, disminuyendo el uso de defensivos agrícolas que pueden dañar el medio ambiente, como alimentos con propiedades vitamínicas y proteicas, que pueden mejorar los indicadores sociales en los países en desa- rrollo. Por otra parte, se han abierto interrogantes acerca de los posibles

María Angélica Larach; División de Comercio Internacional

430

76 FR 53115 - Expansion of Foreign-Trade Zone 202; Los Angeles, CA  

Federal Register 2010, 2011, 2012, 2013

...Expansion of Foreign-Trade Zone 202; Los Angeles, CA Pursuant to its authority under the...Harbor Commissioners of the City of Los Angeles, grantee of Foreign-Trade Zone 202...expand FTZ 202 to include a site in Los Angeles, California, within the Los...

2011-08-25

431

77 FR 43656 - BNSF Railway Company-Abandonment Exemption-in Los Angeles County, CA  

Federal Register 2010, 2011, 2012, 2013

...Company--Abandonment Exemption--in Los Angeles County, CA BNSF Railway Company (BNSF...3-mile line of railroad owned by the Los Angeles County Metropolitan Transportation Authority...Line structure), in the City of Los Angeles, Los Angeles County, Cal. (the...

2012-07-25

432

LOS COMIT?S DE ?TICA DE INVESTIGACI?N BIOMEDICA Y PSICOSOCIAL EN BOLIVIA*  

PubMed Central

Este artículo reporta un estudio realizado en las ciudades de La Paz, Cochabamba, y Santa Cruz en Bolivia. Interesaba saber cuál era la situación de la bioética en Bolivia y cómo se estaba protegiendo a los sujetos de investigación. Luego de revisar algunos conceptos bioéticos, la legislación boliviana y los métodos del estudio, se dan a conocer los resultados del mismo, los cuales revelan gran desconocimiento respecto de cómo proteger los derechos de los sujetos, por la casi ausencia o el inadecuado funcionamiento de los comités de ética de la investigación.

Zwareva Mashiri, Elizabeth C.

2010-01-01

433

Ecosystem studies at the Los Medanos site, Eddy County, New Mexico. Volume I  

SciTech Connect

This report summarizes the results of biological studies conducted during 1980 at the Los Medanos site in southeastern New Mexico. The studies include: (1) densities and species composition of the avifauna of the Los Medanos site; (2) aquatic ecosystems of the lower Pecos drainage; (3) floristic studies at the Los Medanos site; (4) plant successional, grazing, trampling, and salt studies on the Los Medanos site; (5) soil and vegetation studies at the Los Medanos site; (6) arthropod and decomposition studies at the WIPP site; (7) amphibians, reptiles and mammals at the Los Medanos site; (8) vertebrate ecology at the Los Medanos site; and (9) statistical analysis and data management. 7 refs. (ACR)

Hart, J.S. (ed.)

1981-05-01

434

Needs assessment for fire department services and resources for the Los Alamos National Laboratory, Los Alamos, New Mexico. Final report  

SciTech Connect

This report has been developed in response to a request from the Los Alamos National Laboratory (LANL) to evaluate the need for fire department services so as to enable the Laboratory to plan effective fire protection and thereby: meet LANL`s regulatory and contractual obligations; interface with the Department of Energy (DOE) and other agencies on matters relating to fire and emergency services; and ensure appropriate protection of the community and environment. This study is an outgrowth of the 1993 Fire Department Needs Assessment (prepared for DOE) but is developed from the LANL perspective. Input has been received from cognizant and responsible representatives at LANL, DOE, Los Alamos County (LAC) and the Los Alamos Fire Department (LAFD).

NONE

1995-11-15

435

The toughness of living: The development and demise of the Los Angeles Actors' Theatre\\/Los Angeles Theatre Center, 1975--1991  

Microsoft Academic Search

In the history of The Los Angeles Actors' Theatre (LAAT) and in its 1985 metamorphosis into the Los Angeles Theatre Center (LATC), the company consistently served and reflect the concerns of its multicultural community: the city of Los Angeles. In addition to the mainstage productions, developmental outreach programming strategies included: a Latino Lab; a feminist workshop--the Women's Project and educational

Alan Wade Litsey

1993-01-01

436

A survey of macromycete diversity at Los Alamos National Laboratory, Bandelier National Monument, and Los Alamos County; A preliminary report  

SciTech Connect

The authors have completed a 5-year survey (1991--1995) of macromycetes found in Los Alamos County, Los Alamos National Laboratory, and Bandelier National Monument. The authors have compiled a database of 1,048 collections, their characteristics, and identifications. The database represents 123 (98%) genera and 175 (73%) species reliably identified. Issues of habitat loss, species extinction, and ecological relationships are addressed, and comparisons with other surveys are made. With this baseline information and modeling of this baseline data, one can begin to understand more about the fungal flora of the area.

Jarmie, N.; Rogers, F.J. [Mycology Associates, Los Alamos, NM (United States)

1997-11-01

437

Dia de los Muertos: A Joyful Mexican Celebration  

ERIC Educational Resources Information Center

This brief article describes the history, traditions, and food of the Mexican holiday known as Dia de los Muertos, or the Day of the Day, and explores classroom and studio activities that teachers can do with their students. Teachers are urged to encourage students to explore the topic of the Day of the Dead, comparing it to other traditions and…

Markello, Carrie; Bean, Kathy

2005-01-01

438

Recent Earthquakes in California and Nevada: Los Angeles Special Map  

NSDL National Science Digital Library

This map of the Los Angeles, California area displays earthquake locations for the latest week, day, and hour. The user can click on map symbols and get information on time, date, magnitude, location, and depth. Earthquake information is updated within 5 minutes of an actual event or otherwise once an hour. The information is from the U. S. Geological Survey-Caltech Seismic Net.

439

Dia de los Muertos: A Joyful Mexican Celebration  

ERIC Educational Resources Information Center

|This brief article describes the history, traditions, and food of the Mexican holiday known as Dia de los Muertos, or the Day of the Day, and explores classroom and studio activities that teachers can do with their students. Teachers are urged to encourage students to explore the topic of the Day of the Dead, comparing it to other traditions and…

Markello, Carrie; Bean, Kathy

2005-01-01

440

Urban America: Policy Choices for Los Angeles and the Nation.  

ERIC Educational Resources Information Center

|This volume presents 13 essays on urban problems in the United States, particularly in Los Angeles (California) following the 1992 riots, and policy options for the future. Part 1 addresses policies of the past three decades; Part 2 looks at children, youth, and families; Part 3 discusses crime and criminal justice; and Part 4 examines public…

Steinberg, James B., Ed.; And Others

441

Los Alamos National Laboratory Weapons Neutron Research Facility  

SciTech Connect

The Weapons Neutron Research (WNR) spallation neutron source utilizes 800-MeV protons from the Los Alamos Meson Physics linac. The proton beam transport system, the target systems, and the data acquisition and control system are described. Operating experience, present status, and planned improvements are discussed.

Woods, R.

1981-01-01

442

Resource management technology: Los Alamos technical capabilities for emergency management  

SciTech Connect

This report examines FEMA mission requirements in the area of resource and emergency management. It reviews the experience of the Los Alamos National Laboratory in resource management technology consonant with FEMA's mission. This experience is presented in the form of internal appraisal of the following mission areas: Strategic Materials; Natural and Technological Disasters; Communications and Training; and Counterterrorism.

Killian, B.G.; Garner, S.D.; Mathews, K.L.; Wilson, M.G.; Planner, H.M.

1983-07-18

443

Los Alamos proton-storage-ring extraction system  

SciTech Connect

The unprecedented peak and average proton currents and extraction rates from the Proton Storage Ring (PSR) under construction at the Los Alamos National Laboratory present new problems in beam extraction. Activation caused by beam spill must be minimal to permit hands-on maintenance. Timing requirements are uncommonly stringent. Solutions to these problems are outlined below.

Hudgings, D.W.; Jason, A.J.

1981-01-01

444

Aristocracia fantástica: los moderados y la poética del gobierno representativo  

Microsoft Academic Search

La mayor parte de los ideólogos del moderantismo tras la implantación del régimen liberal fueron destacados teóricos de la estética que contribuyeron a fijar el canon del romanticismo en España. Este artículo investiga la influencia de las reflexiones estéticas de autores como Alberto Lista, Nicomedes Pastor Díaz y Alcalá Galiano en su teoría del gobierno representativo. El asunto de fondo

Pablo Sánchez León

2006-01-01

445

Sources of crime guns in Los Angeles, California  

Microsoft Academic Search

There is agreement in the literature that offenders often acquire guns through unregulated private encounters with friends, family members and petty criminals. Although anecdotes suggest that licensed gun dealers also play a role, most studies have ignored or discounted the possibility that dishonest retailers are a significant source of supply. This effort explores gun markets in Los Angeles by examining

Julius Wachtel

1998-01-01

446

Food Buying Practices of Mexican Americans in East Los Angeles.  

ERIC Educational Resources Information Center

|As part of a pilot study of the nutritional status of Mexican American preschool children attending Head Start in East Los Angeles in the spring of 1969, questions were asked concerning their families' buying and food practices. This paper reports on the information obtained from the 21 questionnaires which were returned. Answers to the following…

Lewis, Jane S.; And Others

447

Los Angeles School Board Race Shatters Spending Records  

ERIC Educational Resources Information Center

|The price tag to win a seat in this week's primary election for the Los Angeles school board climbed to unprecedented levels, as a massive influx of outside cash has turned a local campaign into a national showdown pitting the long-standing influence of teachers' unions against the expanding imprint of deep-pocketed education activists. The high…

Maxwell, Lesli A.

2013-01-01

448

LOS ANGELES FIELD MODELING AND MEASUREMENT STUDY - 1976 (FIRST YEAR)  

EPA Science Inventory

In October 1976 a two-week field program was conducted in Los Angeles to evaluate in the field existing measurement methods for ambient concentrations of sulfuric acid aerosol and related sulfates, and to obtain preliminary data for the in-roadway concentrations of sulfates due t...

449

Smoking patterns among Los Alamos National Laboratory employees  

Microsoft Academic Search

Smoking patterns among 5507 employees at Los Alamos National Laboratory were investigated for those who underwent physical examinations by occupational physicians from 1978 to 1983. More male than female employees smoked, although differences in smoking rates between the sexes were not as large as differences observed for national smoking rates. Employees over 40 were more likely to smoke than younger

M. C. Mahoney; G. S. Wilkinson

1987-01-01

450

Annual Information Digest, Los Angeles Community Colleges, 1995-1997.  

ERIC Educational Resources Information Center

|Providing historical data up to 1996-97 on the nine colleges in the Los Angeles Community College District (LACCD), this statistical digest presents tables and graphs on student characteristics, enrollment trends, instructional programs, student performance and articulation, special services, and fiscal and personnel resources. Selected district…

Kelly, Dexter; And Others

451

Housing in Los Angeles: Affordable Housing for the Future.  

ERIC Educational Resources Information Center

|A 1988 mayoral committee assessed the seriousness of Los Angeles (California) housing problems and found that the city's housing efforts were sufficient in the 1960s, when the Federal Government took primary responsibility for housing and the average wage was adequate to support the cost of the average house or apartment. However, the following…

Los Angeles Blue Ribbon Committee for Affordable Housing, CA.

452

Los Alamos National Laboratory capability reviews - FY 2011 status  

Microsoft Academic Search

Capability reviews are the Los Alamos National Laboratory approach to assess the quality of its science, technology, and engineering (STE), and its integration across the Laboratory. There are seven capability reviews in FY 2011 reviews. The Weapons Science and Engineering review will be replaced by the National Nuclear Security Administration's Predictive Science Panel for 2011 . Beginning in 2011, third-year

Everett P

2011-01-01

453

Ozonation at the 900 cfs Los Angeles Water Purification Plant  

Microsoft Academic Search

In 1979. the California Safe Drinking Water Act established a new turbidity limit of 0.5 turbidity unit for drinking waters. To meet this new standard at the Owens River Aqueductplantin Los Angelesi aprocessinvolvingpreozonation and direct filtration was tested and selected. In addition to providing water which meets the required turbidity standard, the ozone process reduces THM levels by about 50%,

Paul W. Prendiville

1986-01-01

454

General Education at Los Medanos College: A Curricular Model.  

ERIC Educational Resources Information Center

Non-traditional courses recommended for the general education package at Los Medanos College are described. It is suggested that the core curriculum be six intra-disciplinary packages covering Behavioral Sciences, Social Sciences, Biological Sciences, Physical Sciences, Language Arts, and Humanistic Studies. Each semester, students would be…

Carhart, John I.; Collins, Charles C.

455

SCALE ECONOMIES AND POLICE DEPARTMENT CONSOLIDATION: EVIDENCE FROM LOS ANGELES  

Microsoft Academic Search

This paper tests for scale economies for police departments operating in Los Angeles County. Intergovernmental sharing in providing police services prevails within the county, suggesting that scale economies exist in producing this public good. Empirical analysis here rejects the hypothesis that police output is produced under increasing returns, which would be an efficiency explanation for the large degree of consolidation

MILES FINNEY

1997-01-01

456

Photoelectric injector designs at Los Alamos National Laboratory  

SciTech Connect

We will describe the photoelectric injector design philosophy and capabilities at Los Alamos National Laboratory. We will discuss our simulation ability and general considerations to minimize the space-charge and rf emittance growths. In particular, we will also outline a high frequency design without magnetic bunching and a low frequency design with magnetic bunching.

Carlsten, B.E.; Sheffield, R.L.; McVey, B.D.

1990-01-01

457

Linking Planning, Quality Improvement and IR: Los Angeles City College  

ERIC Educational Resources Information Center

|Stung by a negative accreditation review, Los Angeles City College established an administrative position and a planning process that is successfully creating a culture of continuous improvement. At the core of this success is a "plan-act-check" reinforcing systems loop that links planning, budgeting, and institutional research. (Contains 2…

Seymour, Daniel

2004-01-01

458

Los Alamos National Laboratory accelerated tru waste workoff strategies  

Microsoft Academic Search

During 1996, the Los Alamos National Laboratory (LANL) developed two transuranic (TRU) waste workoff strategies that were estimated to save $270 - 340M through accelerated waste workoff and the elimination of a facility. The planning effort included a strategy to assure that LANL would have a significant quantity (3000+ drums) of TRU waste certified for shipment to the Waste Isolation

S. T. Kosiewicz; I. R. Triay; P. Z. Rogers; D. V. Christensen

1997-01-01

459

General Education at Los Medanos College: A Curricular Model.  

ERIC Educational Resources Information Center

|Non-traditional courses recommended for the general education package at Los Medanos College are described. It is suggested that the core curriculum be six intra-disciplinary packages covering Behavioral Sciences, Social Sciences, Biological Sciences, Physical Sciences, Language Arts, and Humanistic Studies. Each semester, students would be…

Carhart, John I.; Collins, Charles C.

460

The Los Alamos Radiological Instrumentation and Calibration Facility  

Microsoft Academic Search

Los Alamos National Laboratory (LANL) has a rich history with respect to all health physics functions. The radiological calibration program has long been one of the pillars of the health physics programs at LANL. Because of the diversity of the hazards on the site, many health physics calibration capabilities are required. Some examples include beta-gamma calibrations, neutron remmeter calibrations, and

Eisele

1996-01-01

461

The Controlled-Air Incinerator at Los Alamos  

SciTech Connect

The Controlled-Air Incinerator (CAI) at Los Alamos is being modified and upgraded to begin routine operations treating low-level mixed waste (LLMW), radioactively contaminated polychlorinated biphenyl (PCB) wastes, low-level liquid wastes, and possibly transuranic (TRU) wastes. This paper describes those modifications. Routine waste operations should begin in late FY95.

Newmyer, J.N.

1994-04-01

462

Alternative transuranic waste management strategies at Los Alamos National Laboratory  

Microsoft Academic Search

As an integral part of the ongoing US Department of Energy waste management programs, several strategies have been identified and evaluated for the long-term management of defense transuranic (TRU) waste now buried or stored at the Los Alamos National Laboratory. The 14 alternatives evaluated are combinations of the following operations: (1) Continue present practices (CPP), (2) Engineered improvements (EI), (3)

L. J. Walker; W. R. Hansen; D. C. Nelson; G. Maestas; W. J. Wenzel; F. A. Guevara; J. L. Warren; J. C. Rodgers; J. M. Graf

1981-01-01

463

Post-Cold War Science and Technology at Los Alamos  

Microsoft Academic Search

Los Alamos National Laboratory serves the nation through the development and application of leading-edge science and technology in support of national security. Our mission supports national security by: ensuring the safety, security, and reliability of the U.S. nuclear stockpile; reducing the threat of weapons of mass destruction in support of counter terrorism and homeland defense; and solving national energy, environment,

John C. Browne

2002-01-01

464

Border City: Race and Social Distance in Los Angeles  

Microsoft Academic Search

It is fitting for the American Quarterly to inaugurate its move to USC with a special issue devoted to Los Angeles and the future of urban culture. Before the ink dried on the Treaty of Guadalupe Hidalgo, in truth before the United States expanded its national boundary through a land grab of Alta California and Mexico’s northern territory, Yankee boosters

Greg Hise

2004-01-01

465

Los indicadores de insustentabilidad urbana como indicadores de conflicto social  

Microsoft Academic Search

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

Joan Martínez Alier

2002-01-01

466

Los Angeles Street Kids: New Occupations for Life Program  

Microsoft Academic Search

In the same sense that health intervention focused on the daily occupations of the well?elderly can promote successful ageing, programs aimed at the daily occupations of at?risk youth may act as a potential deterrent to street gang activity. In the city of Los Angeles, thousands of young people come under the influence of gang culture and in turn, lead lifestyles

Carolyn Snyder; Florence Clark; Brian Young

1998-01-01

467

New 138Kv Cable Lines in Los Angeles  

Microsoft Academic Search

The first 138-kv underground transmission cables to be installed west of Chicago and the largest now in use at this voltage (except for short station runs) were placed in service during 1943 by the Los Angeles Department of Water and Power. While generally similar to 138-kv lines previously installed in the East this installation involves a number of novel design

Carroll G. Mansfield

1944-01-01

468

Risk Communication in Los Angeles: A Case Study  

Microsoft Academic Search

The communication program of the Los Angeles Department of Water and Power (LADWP) has been largely informational—messages have historically been passed from the utility to the public without citizens being involved in any substantive way in decisions about water quality issues. In 1985, however, when LADWP made plans to construct an aeration tower to strip contaminants from groundwater without notifying

Marjorie G. Shovlin; Sandra S. Tanaka

1990-01-01

469

The black community's reactions to the 1992 los angeles riot  

Microsoft Academic Search

This article is based on field (street) interviews with a sample of 227 black community members living and\\/or working in South Central Los Angeles at the time of the 1992 riot. The interview instrument comprises 20 questions designed to (1) ascertain the reactions and feelings of black community members to the riot; and (2) compare a sample of black participants

Komanduri S. Murty; Julian B. Roebuck; Gloria R. Armstrong

1994-01-01

470

Brief history of the Los Alamos laser programs  

SciTech Connect

The laser programs at Los Alamos began in 1969 to investigate the feasibility of laser-induced fusion. However, within a year they had been expanded to include a number of other applications including laser isotope separation. These programs now compose a substantial part of the Laboratory's research programs.

Boyer, K.

1983-01-01

471

SOFT FLOOR COVERING IN THE LOS ANGELES CITY SCHOOL DISTRICTS.  

ERIC Educational Resources Information Center

|A STUDY REGARDING THE INSTALLATION OF CARPET IN SCHOOLS IS DISCUSSED. THE PURPOSE OF THE STUDY WAS TO HAVE A CONSULTANT REVIEW UNDER THE DIRECTION OF THE DISTRICT BUILDING AND GROUNDS SERVICES ADMINISTRATOR OF THE LOS ANGELES CITY SCHOOL DISTRICTS, THE SOFT FLOOR COVERING INSTALLATIONS AT ARAGON AVENUE AND TWENTY-FOURTH STREET SCHOOLS. SECTIONS…

CUNLIFF, DONALD D.

472

Los Angeles Community College District Annual Report, 1993.  

ERIC Educational Resources Information Center

|This 1993 annual report provides information on student demographics, college programs, and educational finances in the Los Angeles Community College District (LACCD), which, with more than 117,000 students, is the largest community college district in the nation. The report begins with a statement from Donald Phelps, the outgoing chancellor of…

Los Angeles Community Coll. District, CA.

473

Los Angeles, California Tornado of March 1, 1983.  

National Technical Information Service (NTIS)

At 7:40 a.m. on March 1, 1983, the downtown metropolitan area of Los Angeles was struck by a tornado severe enough to cause significant structural damage to not only old buildings but also modern, engineered structures. The path of the tornado was such th...

1985-01-01

474

Dental Caries in Underprivileged Children of Los Angeles  

Microsoft Academic Search

:Objectives. The purpose of this study is to investigate the disease of dental caries among a population of poor, migrant, minority children in Los Angeles County. Methods. The study team developed an instrument to be completed by parents about their children's determinants of oral health, and adapted the Association of State and Territorial Dental Directors (ASTDD) protocol for conducting clinical

Hazam Seirawan; Conrado Barzaga; Roseann Mulligan; Sharon Faust

2011-01-01

475

Dental Caries in Underprivileged Children of Los Angeles  

Microsoft Academic Search

Objectives. The purpose of this study is to investigate the disease of dental caries among a population of poor, migrant, minority children in Los Angeles County. Methods. The study team developed an instrument to be completed by parents about their children's determinants of oral health, and adapted the Association of State and Territorial Dental Directors (ASTDD) protocol for conducting clinical

Hazam Seirawan; Conrado Barzaga; Roseann Mulligan; Sharon Faust

2011-01-01

476

Los Alamos free atomic tritium beta decay experiment  

SciTech Connect

An apparatus is under construction at Los Alamos to measure the beta spectrum of free tritium atoms and molecules. The tritium atoms decay in a gaseous windowless source and are analyzed by a Tret'yakov type toroidal field beta spectrometer. The ultimate sensitivity of the experiment to electron antineutrino mass is expected to be <10 eV.

Knapp, D.A.; Bowles, T.J.; Browne, J.C.; Burritt, T.H.; Cohen, J.S.; Helffrich, J.A.; Maley, M.P.; Martin, R.L.; Robertson, R.G.H.; Wilkerson, J.F.

1984-01-01

477

Diet and colon cancer in Los Angeles County, California  

Microsoft Academic Search

The diets of 746 colon cancer cases in Los Angeles County, California (USA) were compared with those of 746 controls matched on age, sex, race, and neighborhood. In both genders, total energy intake was associated with significantly increased risk, and calcium intake was associated with significantly decreased risk. These effects were reduced only slightly after adjustment for the nondietary risk

Ruth K. Peters; Malcolm C. Pike; David Garabrant; Thomas M. Mack

1992-01-01

478

[Los Alamos National Laboratory industrial applications and technology transfer  

SciTech Connect

In October 1989, the Los Alamos Economic Development Corporation (LAEDC) entered into a contract with the Industrial Applications office (IAO) of Los Alamos National Laboratory (LANL) whereby the LAEDC was to provide support services to IAO. More specifically, according to the Statement of Work in this contract The Los Alamos Economic Development Corporation shall assist the Los Alamos National Laboratory Industrial Applications Office in establishing and strengthening connections between potential entrepreneurs at the Laboratory and the business assistance community throughout New Mexico, directed toward enhancing the number, of successful start up businesses spinning off the Laboratory's technology base.'' As part of this contract and subsequent modifications thereof, the LAEDC was to perform seven tasks: 1. Provide business planning assistance to potential entrepreneurs. 2. (Assist IAO in preparing and distributing) informational materials on technology transfer. 3. (Organize and manage) meetings and seminars on technology transfer and entrepreneurship. 4. Identify new opportunities for technology transfer. 5. (Identify and implement programs for the) recognition of Laboratory Entrepreneurs. 6. Training Lab personnel, in the area of technology transfer and Laboratory industrial interactions. 7. Review and summarize prior New Mexico economic development studies. The purpose of this report, is to summarize the accomplishments of the LAEDC under its contract with IAO, and to fulfill its reporting requirements. This report covers the period from October 1989 to September 1992.

Not Available

1992-09-30

479

The Los Alamos Solid-State Optical Refrigerator  

Microsoft Academic Search

Optical refrigeration may provide the physical basis for solid-state cryocooling. Devices based on this physics would be vibrationless, compact, and free of electromagnetic interference. Having no moving parts and being pumped by a diode lasers, optical refrigerators would be rugged with operating lifetimes of years. Experiments at Los Alamos National Laboratory have demonstrated the basic physical principles of optical refrigeration.1

Richard I. Epstein; Bradley C. Edwards; Carl E. Mungan

480

Time Domain Survey of the Los Alamos Region, New Mexico.  

National Technical Information Service (NTIS)

A time domain electromagnetic sounding survey of the region surrounding the city of Los Alamos, New Mexico was carried out. The results show that a linear trough, trending northeast--southwest runs beneath the city. The southern boundary is somewhat to th...

1979-01-01

481

Mercury: The Los Alamos ICF KrF laser system  

Microsoft Academic Search

The Mercury KrF laser facility at Los Alamos is being built with the benefit of lessons learned from the Aurora system. An increased understanding of KrF laser engineering and the designed implementation of systems flexibility will permit Mercury to serve as a testbed for a variety of advanced KrF technology concepts.

S. J. Czuchlewski; G. W. York; I. J. Bigio; J. P. Brucker; D. E. Hanson; E. M. Honig; N. A. Kurnit; W. T. Leland; A. W. McCown; J. McLeod; E. Rose; S. Thomas; D. Thompson

1993-01-01

482

Nuevas infecciones emergentes: importancia en la salud de los niños  

Microsoft Academic Search

ResumenUna interacción compleja entre factores ambientales y humanos, incluyendo factores ecológicos, genéticos, políticos y socioeconómicos, es responsable de la emergencia y la resurgencia de enfermedades infecciosas. Estos factores poseen a menudo un efecto claro sobre los niños y, en consecuencia, las infecciones emergentes pueden ejercer impactos únicos sobre las poblaciones más jóvenes en términos de salud física y mental, así

Jean M. van Seventer; Amanda DeLoureiro; Davidson H. Hamer

2009-01-01

483

Turning Neighbors into Friends: The Los Angeles Camp Experience.  

ERIC Educational Resources Information Center

A camp for Los Angeles (California) children traumatized by war, community violence, and hatred gives them time to heal and feel safe. The camp's theme of reconciliation and nonviolence is expressed by an all-volunteer staff through community, teamwork, and cooperation. Nature's diversity is used to show how diverse groups can interact, thrive,…

Jenya, Judith

2002-01-01

484

Status of the ICF program at Los Alamos National Laboratory  

Microsoft Academic Search

In the Los Alamos program we are emphasizing the testing of targets uniquely designed for drive with the carbon dioxide (COâ) laser. The two major facilities for this study are the eight-beam Helios system and the Antares laser system. Some recent results to be discussed demonstrate the dominant effect of self-generated magnetic fields in controlling energy transport by hot electrons.

Rockwood

1982-01-01

485

ECONOMIC RESOURCES OF THE HOMELESS: EVIDENCE FROM LOS ANGELES  

Microsoft Academic Search

This paper examines the economic resources of homeless adults using a unique data set from Los Angeles. The homeless rely on a variety of sources for income; the two most common sources are the government and the family. Over 58% received government transfers in the 30 days prior to the interview, while one-third had received cash assistance from a family

ROBERT F. SCHOENI; PAUL KOEGEL

1998-01-01

486

Summary of environmental surveillance at Los Alamos during 1995  

SciTech Connect

Linking the Rio Grande Valley and the Jemez Mountains, New Mexico`s Pajarito Plateau is home to a world-class scientific institution. Los Alamos National Laboratory (or the Laboratory), managed by the Regents of the University of California, is a government-owned, Department of Energy-supervised complex investigating all areas of modern science for the purposes of national defense, health, conservation, and ecology. The Laboratory was founded in 1943 as part of the Manhattan Project, whose members assembled to create the first nuclear weapon. Occupying the campus of the Los Alamos Ranch School, American and British scientists gathered on the isolated mesa tops to harness recently discovered nuclear power with the hope of ending World War II. In July 1945, the initial objective of the Laboratory, a nuclear device, was achieved in Los Alamos and tested in White Sands, New Mexico. Today the Laboratory continues its role in defense, particularly in nuclear weapons, including developing methods for safely handling weapons and managing waste. For the past twenty years, the Laboratory has published an annual environmental report. This pamphlet offers a synopsis that briefly explains important concepts, such as radiation and provides a summary of the monitoring results and regulatory compliance status that are explained at length in the document entitled Environmental Surveillance at Los Alamos during 1995.

NONE

1996-10-01

487

Equilibrium and stability of the Los Alamos spheromak  

SciTech Connect

The open mesh flux conserver (MFC) on the Los Alamos spheromak (CTX) has been equipped with a large number of Rogowski loops measuring the current in the individual segments of the MFC, providing a complete picture of the surface current pattern induced by the equilibrium and oscillations of the confined plasma. An analysis was made of the data from these Rogowski loops.

Marklin, G.

1984-01-01

488

Deterministic charged-particle transport at Los Alamos: a survey  

SciTech Connect

A review of the application of S/sub n/ and diffusion to the transport of alpha particles and super-thermal electrons at Los Alamos is given. Emphasis is on solution techniques and numerical subtleties with numerous comparisons to analytic and Monte Carlo solutions.

Taggart, K.; Linnebur, E.; Wienke, B.; Cranfill, C.; Dana, A.

1982-01-01

489

SOFT FLOOR COVERING IN THE LOS ANGELES CITY SCHOOL DISTRICTS.  

ERIC Educational Resources Information Center

A STUDY REGARDING THE INSTALLATION OF CARPET IN SCHOOLS IS DISCUSSED. THE PURPOSE OF THE STUDY WAS TO HAVE A CONSULTANT REVIEW UNDER THE DIRECTION OF THE DISTRICT BUILDING AND GROUNDS SERVICES ADMINISTRATOR OF THE LOS ANGELES CITY SCHOOL DISTRICTS, THE SOFT FLOOR COVERING INSTALLATIONS AT ARAGON AVENUE AND TWENTY-FOURTH STREET SCHOOLS. SECTIONS…

CUNLIFF, DONALD D.

490

Potpourri of Los Alamos National Laboratory foam efforts  

SciTech Connect

This presentation provides an update on microcellular foam research efforts at Los Alamos. Topics include the influence of pressure on the phase separation of poly(4-methyl-1-pentene) from organic solution, a new concept of phase diagrams, physical testing of foams, and recent emulsion polymerization results.

Williams, J.M.; Wilkerson, M.H.; Wrobleski, D.A.

1986-01-01

491

Foci of Tuberculosis Transmission in Central Los Angeles  

Microsoft Academic Search

To identify sites of tuberculosis transmission and to determine the contribution of HIV-infected pa- tients to tuberculosis morbidity in an urban area, we prospectively evaluated 249 patients with cul- ture-proven tuberculosis in central Los Angeles. Restriction fragment length polymorphism (RFLP) analysis was performed on Mycobacterium tuberculosis isolates to identify patients infected with the same strain. Using RFLP and clinical and

PETER F. BARNES; ZHENHUA YANG; JANICE M. POGODA; SUSAN PRESTON-MARTIN; BRENDA E. JONES; MICHIKO OTAYA; LAURA KNOWLES; SYDNEY HARVEY; KATHLEEN D. EISENACH; M. DONALD CAVE

492

Para-hydrogen perspectives in hyperpolarized NMR.  

PubMed

The first instance of para-hydrogen induced polarization (PHIP) in an NMR experiment was serendipitously observed in the 1980s while investigating a hydrogenation reaction (Seldler et al., 1983; Bowers and Weitekamp, 1986, 1987; Eisenschmid et al., 1987) [1-4]. Remarkably a theoretical investigation of the applicability of para-hydrogen as a hyperpolarization agent was being performed in the 1980's thereby quickly providing a theoretical basis for the PHIP-effect (Bowers and Weitekamp, 1986) [2]. The discovery of signal amplification by a non-hydrogenating interaction with para-hydrogen has recently extended the interest to exploit the PHIP effect, as it enables investigation of compounds without structural alteration while retaining the advantages of spectroscopy with hyperpolarized compounds [5]. In this article we will place more emphasis of the future applications of the method while only briefly discussing the efforts that have been made in the understanding of the phenomenon and the development of the method so far. PMID:23932399

Glöggler, Stefan; Colell, Johannes; Appelt, Stephan

2013-07-24

493

Hate Crime in Los Angeles County 1990. A Report to the Los Angeles County Board of Supervisors.  

ERIC Educational Resources Information Center

|A report on 1990 hate crimes in Los Angeles County (California) found 275 racially motivated hate crimes, 150 religiously motivated hate crimes, and 125 sexual orientation hate crimes. The data were collected primarily from law enforcement and community agencies. Of the racially motivated crimes, most were aimed at Blacks, followed by Asians.…

Hatcher, Bunny Nightwalker

494

Hate Crime in Los Angeles County 1990. A Report to the Los Angeles County Board of Supervisors.  

ERIC Educational Resources Information Center

A report on 1990 hate crimes in Los Angeles County (California) found 275 racially motivated hate crimes, 150 religiously motivated hate crimes, and 125 sexual orientation hate crimes. The data were collected primarily from law enforcement and community agencies. Of the racially motivated crimes, most were aimed at Blacks, followed by Asians. Jews…

Hatcher, Bunny Nightwalker

495

NEPA and NHPA- successful decommissioning of historic Manhattan Project properties at Los Alamos National Laboratory, Los Alamos, New Mexico  

Microsoft Academic Search

This paper describes experiences at Los Alamos National Laboratory during the process of planning and executing decommissioning and decontamination activities on a number of properties constructed as part of the Manhattan project. Many of these buildings had been abandoned for many years and were in deteriorating condition, in addition to being contaminated with asbestos, lead based paints and high explosive

E. D. McGehee; A. K. Pendergrass

1997-01-01

496

The Los Alamos Reservoir: A Gauge for Increased Erosion after the Cerro Grande Fire, Los Alamos, New Mexico  

Microsoft Academic Search

The Cerro Grande fire of May 2000 burned approximately 17,400 ha in the eastern Jemez Mountains in the vicinity of Los Alamos, New Mexico. Changes in surface characteristics caused by the fire, including the development of hydrophobic soils and the loss of vegetation and litter layers, resulted in major increases in runoff and erosion relative to pre-fire conditions. This study

A. Lavine; D. Katzman; S. L. Reneau; G. A. Kuyumjian; J. N. Gardner; D. V. Malmon

2001-01-01

497

Morfología de la Coma del Cometa Hale - Bopp  

NASA Astrophysics Data System (ADS)

Para lograr comprender plenamente los procesos físicos que se desarrollan en los núcleos cometarios y obtener un modelo que explique, no sólo su actividad, sino también sus efectos sobre la coma, es necesario obtener información detallada para el mayor número de cometas posible, siendo las características más interesantes para estudiar la ubicación de las regiones activas, la presencia de jets, las tasas de producción de gas y polvo y la interacción de la coma con el viento solar. En la actualidad, con técnicas de procesamiento de imágenes y tecnología CCD se pueden obtener este tipo de datos para cometas que ingresan al sistema solar interior y estudiar, de esta manera, la morfología de sus comas, tratando de correlacionar la actividad detectada con algún modelo teórico. En este trabajo se presenta un estudio parcial de la actividad desarrollada por el cometa Hale-Bopp, y sus efectos sobre la morfología de su coma, desde agosto de 1995 hasta la fecha en base a imágenes adquiridas con el telescopio de 0.76 m. de la Estación Astronómica Dr. Carlos Ulrrico Cesco.

Gil-Hutton, R.; Caballero, M.; Coldwell, G.; Cañada, M.; Godoy, G.; Trozzo, C.; Gómez, G.

498

Planificación para la etapa final de la vida  

Cancer.gov

Información para pacientes, sus familiares y amigos sobre el cuidado del paciente terminal, la planificación para el final de la vida, y la aflicción, el duelo y manejo de la pérdida de un ser querido.

499

¿Qué es VAERS? El Sistema para Reportar Reacciones ...  

Center for Biologics Evaluation and Research (CBER)

Text Version... www.vaers.hhs.gov Sistema Sistema para para Reportar Reportar Reacciones Reacciones Adversas Adversas aa las las Vacunas Vacunas ... More results from www.fda.gov/downloads/biologicsbloodvaccines/safetyavailability

500

Chivo expiatorio, nación y comedia en Las paces de los reyes y judía de Toledo de Lope de Vega  

Microsoft Academic Search

El ensayo examina la utilidad del concepto de chivo expiatorio acuñado por el filósofo y crítico literario René Girard para analizar el proceso de construcción de la identidad nacional y su relación con la teoría dramática de la comedia en La judía de Toledo \\/ Las paces de los Reyes (1610) de Lope de Vega. Tal concepto aparece estrechamente vinculado

Javier Lorenzo

2009-01-01