neutron+activation

См. также в других словарях:

• Neutron activation — is the process in which neutron radiation induces radioactivity in materials, and occurs when atomic nuclei capture free neutrons, becoming heavier and entering excited states. The excited nucleus often decays immediately by emitting particles… …   Wikipedia

• neutron activation — noun see neutron activation analysis …   New Collegiate Dictionary

• neutron activation — noun see neutron activation analysis …   Useful english dictionary

• Neutron activation analysis — Science with Neutrons Foundations Neutron temperature Flux · Radiation  …   Wikipedia

• neutron activation analysis — noun also neutron activation : an analytical method used to determine the chemical elements comprising a material by bombarding it with neutrons to produce radioactive atoms whose emissions are indicative of the elements present * * * neutron… …   Useful english dictionary

• neutron activation analysis — neutroninė aktyvacinė analizė statusas T sritis Standartizacija ir metrologija apibrėžtis Elementinė analizė, pagrįsta medžiagos radioaktyvumo, atsiradusio ją apšvitinus neutronų srautu, matavimu. atitikmenys: angl. neutron activation analysis… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

• neutron activation analysis — noun Date: 1951 an analytical method used to determine the chemical elements comprising a material by bombarding it with neutrons to produce radioactive atoms whose emissions are indicative of the elements present called also neutron activation …   New Collegiate Dictionary

• neutron activation analysis — neutroninė aktyvacinė analizė statusas T sritis chemija apibrėžtis Elementinė analizė, pagrįsta medžiagos radioaktyvumo, atsiradusio ją apšvitinus neutronų srautu, matavimu. atitikmenys: angl. neutron activation analysis rus. нейтронно… …   Chemijos terminų aiškinamasis žodynas

• neutron activation analysis. — See activation analysis. * * * …   Universalium

• neutron activation analysis. — See activation analysis …   Useful english dictionary

• Prompt gamma neutron activation analysis — (PGAA) is a very widely applicable technique for determining the presence and amount of many elements simultaneously in samples ranging in size from micrograms to many grams. It is a non destructive method, and the chemical form and shape of the… …   Wikipedia