"900,000 electron-volt protons"

Spanish translation: Protones con una energía de 900000electrón-voltios

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
English term or phrase:"900,000 electron-volt protons"
Spanish translation:Protones con una energía de 900000electrón-voltios
Entered by: José Nolasco

21:33 Dec 4, 2008
English to Spanish translations [PRO]
Science - Science (general)
English term or phrase: "900,000 electron-volt protons"
Esto aparece en un texto relativo al átomo que dice: "it requires 900,000 electron-volt protons to penetrate the protective shield in order to smash the nucleus and to release its contents". No sé si sería correcto traducirlo como "protones con una energía de 900.000 electronvoltios". Muchas gracias.
Eva BCN (X)
Spain
Local time: 07:06
Protones con una energía de
Explanation:
Esto podría ayudarte:
The minimum energy which must be supplied to extract an electron from a solid; symbol , units J(joule), or more often eV (elecronvolt). It is a measure of how tightly electrons are bound to a material.
http://invsee.asu.edu/nmodules/engmod/propwf.html

Protons are observed to be stable and their theoretical minimum half-life is 1×1036 years. Grand unified theories generally predict that proton decay should take place, although experiments so far have only resulted in a lower limit of 1035 years for the proton's lifetime. In other words, proton decay has never been witnessed and the experimental lower bound on the mean proton lifetime (2.1×1029 years) is put by the Sudbury Neutrino Observatory[3].
However, protons are known to transform into neutrons through the process of electron capture. This process does not occur spontaneously but only when energy is supplied. The equation is:
P+ + e- n + νe
where
p is a proton,
e is an electron,
n is a neutron, and
νe is an electron neutrino
The process is reversible: neutrons can convert back to protons through beta decay, a common form of radioactive decay. In fact, a free neutron decays this way with a mean lifetime of about 15 minutes.
http://en.wikipedia.org/wiki/Proton
Selected response from:

José Nolasco
El Salvador
Local time: 00:06
Grading comment
De lo que menos segura estaba era de si "electronvoltios" era correcto. Muchas gracias a todos.
2 KudoZ points were awarded for this answer



Summary of answers provided
5 +3Protones con una energía de
José Nolasco
4... protones con energía superior a 0,9 MeV ...
Fernandop
4 -1protones con una energía de 900.000 electrón-voltios
David Russi


  

Answers


15 mins   confidence: Answerer confidence 5/5 peer agreement (net): +3
Protones con una energía de


Explanation:
Esto podría ayudarte:
The minimum energy which must be supplied to extract an electron from a solid; symbol , units J(joule), or more often eV (elecronvolt). It is a measure of how tightly electrons are bound to a material.
http://invsee.asu.edu/nmodules/engmod/propwf.html

Protons are observed to be stable and their theoretical minimum half-life is 1×1036 years. Grand unified theories generally predict that proton decay should take place, although experiments so far have only resulted in a lower limit of 1035 years for the proton's lifetime. In other words, proton decay has never been witnessed and the experimental lower bound on the mean proton lifetime (2.1×1029 years) is put by the Sudbury Neutrino Observatory[3].
However, protons are known to transform into neutrons through the process of electron capture. This process does not occur spontaneously but only when energy is supplied. The equation is:
P+ + e- n + νe
where
p is a proton,
e is an electron,
n is a neutron, and
νe is an electron neutrino
The process is reversible: neutrons can convert back to protons through beta decay, a common form of radioactive decay. In fact, a free neutron decays this way with a mean lifetime of about 15 minutes.
http://en.wikipedia.org/wiki/Proton


José Nolasco
El Salvador
Local time: 00:06
Native speaker of: Native in SpanishSpanish
PRO pts in category: 2
Grading comment
De lo que menos segura estaba era de si "electronvoltios" era correcto. Muchas gracias a todos.

Peer comments on this answer (and responses from the answerer)
agree  M. C. Filgueira: ...900 000 electronvoltios (o 900 000 eV).//José, lo que ingresaste en el glosario es incorrecto: la unidad en cuestión se denomina "electronvoltio", y no "electrón-voltio".
6 hrs

agree  Miguel Armentia
9 hrs

agree  Marc Figueras: Sí, electronvoltios (eV), no electrón-voltios
11 hrs
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16 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): -1
protones con una energía de 900.000 electrón-voltios


Explanation:
Sólo cambiaría electrón-voltios

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Note added at 18 mins (2008-12-04 21:51:47 GMT)
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http://www.ciencia.net/VerArticulo/Electrón-voltio?idArticul...

David Russi
United States
Local time: 00:06
Specializes in field
Native speaker of: Native in EnglishEnglish, Native in SpanishSpanish
PRO pts in category: 34
Notes to answerer
Asker: ¡Muchas gracias, David!


Peer comments on this answer (and responses from the answerer)
disagree  M. C. Filgueira: Esta unidad de energía se denomina en castellano "electronvoltio" (símbolo: eV).
6 hrs
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19 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5
... protones con energía superior a 0,9 MeV ...


Explanation:
Yo añadiría la palabra 'superior' ya que no se trata de un valor exacto sino de un contenido mínimo de energía a partir del cual tuviera lugar ese fenómeno.

Fernandop
Spain
Local time: 07:06
Native speaker of: Native in SpanishSpanish
Notes to answerer
Asker: ¡Muchas gracias, Fernando!

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