本底放射性 的英文怎麼說

中文拼音 [běndefàngshèxìng]
本底放射性 英文
back ground activity
  • : i 名詞1 (草木的莖或根)stem or root of plants 2 (事物的根源)foundation; origin; basis 3 (本錢...
  • : 底助詞(用在定語后, 表示定語和中心詞之間是領屬關系, 現在多寫作「的」)
  • : 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. At the surface, radioactivity of the conglomerates is locally as high as 30 x background.

    在地表,礫巖的局部地段的高達30倍值。
  2. Background equivalent activity

    等效
  3. Natural radioactive background

    天然
  4. Abstract : on the basis of systematic synthesis, and study on the recent comprehensive geophysical - geochmical data, such as seismic, gravimetric, magnetic, electric, comprehensive logging, radiometric survey, this paper divides the second - order tectonic units of the basement of mezo - cenozoic sedimentary basins, the structure and basement lithology of sedimentary basims, and ascertains the sequential structre, occurrence depth, thickness and spatial distribution of the basin cover, and analyses the uranium source condition of the basement and provenance area, and the uranium content of cenozoic strata, as well as the mobilization and migration of uranium in cenozoic cover

    文摘:文全面系統地整理和分析研究了巴楚地區地震、重磁、電法、綜合測井、測量等最新的綜合物化探資料,劃分出了該區中新生代沉積盆地基的次級構造單元、盆地結構構造以及盆地基;查明了盆地蓋層的層序結構、埋深、厚度及空間展布;分析了蝕源區和基的鈾源條件和新生代地層的含鈾及鈾的活化遷移規律。
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