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1
BLINDAJE CONTRA RAYOS - Secci?n para el Estudiante - NASA

en la Tabla de An?lisis de Blindaje Contra Rayos. Usa tus habilidades de medici?n y estimaci?n para determinar el peso en gramos. ...

NASA Website

2
BLINDAJE CONTRA RAYOS - SECCI?N DEL ESTUDIANTE - JSC Education - NASA

anota en la Tabla de An?lisis de Blindaje Contra Rayos. Utiliza tus habilidades para medir y estimar para determinar el peso en gramos. ...

NASA Website

3
BLINDAJE CONTRA RAYOS - Secci?n para el Educador - NASA

medici?n y estimaci?n para determinar el peso en gramos. Si est? usando sujetapapeles en la balanza como sustituto para las pesas de gramo, ...

NASA Website

4
Hogar, Hogar en el Espacio - Ciencia - Ciencia @ NASA

13 Oct 2010 ... Los dise?adores debieron dejar unos pocos orificios en este blindaje para que la tripulaci?n pudiera, ocasionalmente disfrutar de las vistas ...

NASA Website

5
Descripcion de un Metodo Sencillo y Economico para la Fabricacion de Acero de Moldeo y Laminacion (Economic and Easy Method for Making Cast and Rolled Steel).
1971-01-01

The purpose of the publication is to explain in an easy way the traditional process of steel manufacturing, and to promote the interest of the foundrymen working without large investment.

National Technical Information Service (NTIS)

6
Sistema para calculos neutronicos, termohidraulicos y de blindajes en computadoras personales. (Systems for neutronic, thermohydraulic and shielding calculation in personal computers).
1990-01-01

The MTR-PC (Materials Testing Reactors-Personal Computers) system has been developed by the Nuclear Engineering Division of INVAP S.E. with the aim of providing working conditions integrated with personal computers for design and neutronic, thermohydrauli...

National Technical Information Service (NTIS)

7
Purificacion de solucion de ZnBr(sub 2) utilizada como blindaje en ventanas protectoras de celdas calientes para el manejo de fuentes radiactivas o materiales con altas concentraciones de radiacion. (Zinc Bromide Solution Refining, used as shield in hot cells windows, for handling of radioactive sources highly radioactive).
1989-01-01

After some time of use zinc bromide solutions get a yellowish colour and forms of brownish precipitate, sticking on the walls of the windows that seem to be dirty and lousy, caused by the effect of the solution penetrating into the packing and epoxy layer...

National Technical Information Service (NTIS)

8
Fallas en los tratamientos termicos para aceros de herramienta. (Failures on the heat treatments of steels for tools).
1990-01-01

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 ...

National Technical Information Service (NTIS)

9
Control metalografico no destructivo para determinar el grado de sensibilidad a la corrosion intergranular de aceros inoxidables austeniticos. (Nondestructive metallographic control for the determination of the degree of sensitivity to intragranular corrosion of austenitic stainless steels).
1994-01-01

The relationship between: microstructure-heat treatment, microstructure-mechanical properties, microstructure-corrosion resistance make that the study of the microstructure of metals and alloys be a powerful tool either in technical-scientific research as...

National Technical Information Service (NTIS)

10
Calculo de parametros de blindaje. (Calculation of shielding parameters.).
1994-01-01

With the propose of reduce the hazard to radiation, exist three basic factors: (a) time, the time to exposition to working person inside to area, from exist determined speed the doses, is proportional of the time permanence; (b) distance, the reduce to do...

National Technical Information Service (NTIS)

11
BLINDAJE CONTRA RAYOS - SECCI?N DEL EDUCADOR - JSC Education - NASA

llegar?n a una conclusi?n basada en los resultados de esta actividad. .... utilizando un pesacartas o una balanza de alimentos, no hay necesidad de usar ...

NASA Website

12
Aceros narcondami (Narcondam Hornbill)

... been recorded in the diet1. Terrestrial A small police outpost was established on the island in 1969. ... 40 birds, but given its high levels of recruitment, this is probably not a serious threat, t...

NBII National Biological Information Infrastructure

13
Solucion analitica al blindaje de locales de teleterapia con Co 60 segun una ecuacion semiempirica de atenuacion de fotones. (An analytical solution to the shielding of Co 60 teletherapy rooms based on a semiempirical equation of photon attenuation).
1996-01-01

A semiempirical equation of polynomial-exponential type is presented to describe the transmission data of Co-60 gamma radiation in finite materials of concrete and lead. This equation and the expression obtained for the relationship of scatter-to-incident...

National Technical Information Service (NTIS)

14
M?s all? de la nave Apollo: la tecnolog?a lunar ... - Ciencia @ NASA

30 Ago 2010... alimento y protecci?n contra la nociva radiaci?n durante meses. ... de un material basado en el regolito ser?a un excelente blindaje ...

NASA Website

15
Vidrio del Espacio - Ciencia - Ciencia @ NASA

13 Oct 2010 ... En ambientes de muy baja gravedad, en cambio, no se necesita ning?n ... hechas de aleaci?n de titanio, vidrio met?lico, y acero inoxidable. ...

NASA Website

16
Seleccion de Aceros y Tratamientos Termicos en Matriceria. Memoria de Seminario (Selection of Steels and Thermal Treatment in Stamping. Seminar Proceedings).
1981-01-01

The publication presents the papers delivered in a workshop about trials and selection of the steels and their thermal treatments for stamping industry.

National Technical Information Service (NTIS)

17
Proventricular Nematodiasis in Wrinkled Hornbills (Aceros corrugatus)

... including a direct microscopic examination and sodium nitrate flotation, completed during quarantine in May 2002 were negative ... negative for acid-fast staining organisms. Four fecal flotation examinati...

NBII National Biological Information Infrastructure

18
Metadata - Global Change Master Directory (GCMD)

Initial Environmental Impact Assessment. 1991. J.M. Acero, J.L. Agraz, C.A. Aguirre and J. Plotz. Instituto Antartico Argentino and Alfred Wegener Institut ...

NASA Website

19
MULTIPLE APPROACHES TO ROBUST SPEECH RECOGNITION Richard M. Stern, Fu-Hua Liu, Yoshiaki Ohshima, Thomas M. Sullivan, Alejandro Acero*

-- 116. Bhattachary, D. 1998. Enviromental values: a critical ap� praisal of cost�benefit analysis

E-print Network

20
Life sciences - Environmental Monitoring Data for ... - GCMD - NASA

Environmental impact assessment associated with the salvage operation of the ... Initial Environmental Impact Assessment. 1991. J.M. Acero, J.L. Agraz, C.A. ...

NASA Website

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21
Effective Utilization and Reconfiguration of Distributed Hardware Resources Using Job Management Systems

grant (FA9550-04-1-0117), an AFRL grant via Veridian and an NSF grant (IIS-0534707). We thank A. Acero

E-print Network

22
Anthocyanins Present in Some Tropical Fruits.

Many tropical fruits are rich in anthocyanins, though limited information is available about the characterization and quantification of these anthocyanins. The identification of anthocyanin pigments in four tropical fruits was determined by ion trap mass spectrometry. Fruits studied included acero...

Technology Transfer Automated Retrieval System (TEKTRAN)

23
Recursos: MedlinePlus enciclopedia médica
2011-08-30

para la pérdida del cónyuge Recursos para la enfermedad pulmonar Recursos para el lupus Recursos para la migraña Recursos para la esclerosis múltiple Recursos para la...

Science.gov Websites

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