痕量放射性 的英文怎麼說

中文拼音 [hénliángfàngshèxìng]
痕量放射性 英文
trace level activity
  • : 名詞(痕跡) mark; trace
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : releaseset freelet go
  • : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • 放射性 : [物理學] radioactivity; activity; emissivity
  • 放射 : radiate; emit; blas; radiation; emission; shooting; shedding; abjection; emanation; effluence
  1. Tritium is radioactive and is believed to be the main source of the major traces of 3he found in the atmosphere.

    氚是的,並且確信是大氣中3He的主要來源。
  2. X - ray has been widely used in industry and medicine since it was found in 1895, such as nondestructive detection of cavities in objects using x - ray " s property of penetration, trace element analysis using x - ray fluorescence, radiation therapy using x - ray " s ability to damage protein, and so on

    X線源在生產和醫療上一直以來具有廣泛的應用。利用x線的穿透可進行無損探傷;利用x線的熒光效應可對物質進行分析;利用x線使蛋白質變可對腫瘤進行療。
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