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Endometriosis: MedlinePlus tutorial interactivo del Instituto...  

Science.gov (United States)

Compartir Skip to Content Endometriosis Empezar Programa Interactivo de X-Plain Empezar Programa Interactivo de X-Plain Empezar el Programa de X-Plain Auto-operado Empezar el...

2011-04-27

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Commutator calculation utilizing the Mathematica program; Calculo de comutadores utilizando o programa Mathematica  

Energy Technology Data Exchange (ETDEWEB)

Short communication.

1996-12-31

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Greenversations » Invasive species  

Science.gov (United States)

(hidróxido de calcio o cal hidratada) como un plaguicida en un programa de cuarentena para controlar la especie invasora, el coquí. Hawai está preocupada de que estos...

2011-10-07

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Greenversations » 2009 » January  

Science.gov (United States)

(hidróxido de calcio o cal hidratada) como un plaguicida en un programa de cuarentena para controlar la especie invasora, el coquí. Hawai está preocupada de que estos...

2011-10-07

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PROCAMPO, the Mexican corn market, and Mexican food security  

British Library Electronic Table of Contents (United Kingdom)

PROCAMPO (Program for Direct Assistance in Agriculture or Programa de Apoyos Directos al Campo) is an income transfer payment to Mexican farmers that compensates them for subsidies received by foreign competitors. Corn (Zea mays) has received the largest amount of PROCAMPO payments and is the primary component of Mexico?s food and feed supply. Results of a spatial and temporal model show that without PROCAMPO, Mexican annual average corn production would have been lower and corn imports would have been 40.5% higher in 2005?2007. Increased producer and consumer surplus and savings from reduced imports reveal that the benefits of PROCAMPO were higher than the program?s costs. Greater PROCAMPO support would decrease Mexican corn imports and increase domestic corn production. It is recommended...

2011-01-01

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Comparison of Students' Success in an International Technology Certificate Program  

Science.gov (United States)

There has been a rapid increase in the number of technology certificate programs offered around the world in the last decade. While designing, developing, and implementing these programs little or no consideration is given to geographical, cultural and developmental differences between different regions of the world. This study investigates the students' success in the Cisco Certified Network Associate (CCNA) program--a unique model combining technology-supported learning with local instruction world-wide. The purpose of this study is to investigate how demographic, ability, and motivational factors impact student success in different regions of the world when the curriculum and teaching materials are the same for all students and teachers. 368,159 students who completed the technology course from August 2004 to December 2005 in 5,948 academies in 135 countries were examined. Based on ANOVA and regression, results show that prior achievement, technology skills, and ...

2007-12-01

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Occupational exposure to benzene: a prevention program for employees and contractors; PPEOB - Programa de Prevencao a Exposicao Ocupacional ao Benzeno para Empregados Proprios e Contratados  

Energy Technology Data Exchange (ETDEWEB)

PETROBRAS/TRANSPETRO Pipelines and Terminals has 500 regular employees and 5.064 out sourced workers in its Southeast Division. The out sourced employees work through 125 contracts involving a wide range of activities such as maintenance, operational, pipeline launching , engineering, administrative and auxiliary services. Among these workers, 200 people are subjected to benzene occupational exposure, which might be present in the products we transport in our pipelines. Benzene is recognized as a carcinogen according to ACGIH and Brazilian Ministry of Labour regulation NR- 15. Exposure to benzene in an uncontrolled way, be it chronic or sharp, may affect the worker's health such as: hematological alterations, neoplasys, neurobehavior alterations. Our program PPEOB (acronym in Portuguese for benzene occupational exposure prevention program) involved the work force and fosters health by anticipation, recognition, evaluation and control of the situations that may result in ...

2004-07-01

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Fifteen years of seismic monitoring at the Las Tres Virgenes, BCS, geothermal field; Quince anos de monitoreo sismico en el campo geotermico de Las Tres Virgenes, BCS  

Energy Technology Data Exchange (ETDEWEB)

Seismic monitoring at the Las Tres Virgenes, BCS, geothermal field started in 1992 with an analog station of vertical components detecting a large number of earthquakes of varying magnitudes. In February 1993, a seismic network was installed, composed of six digital stations DR-2000-with S-6000 and S-5000 sensors and three registration channels (N-S, E-W and vertical). This was the basis for the development of a program to correct arrival-time data for P and S waves due to instrument drift. From January to April 1994 and May to August 1995, based on the 170 seismic events recorded, a velocity model was proposed. From December 1995 to July 1996, seismic data were processed and interpreted, and zones of occurrence were determined for events according to magnitude and the predominant noise in the field. From September 2003 to December 2004, 10 seismic stations (permanent and temporary) were installed and monitored and it was concluded the most active fault system was El Volcan. From ...

2009-07-15