chemical decay 中文意思是什麼
chemical decay
解釋
化學變性-
It ' s a more accurate method in determining the isotopic abundance of uranium. the paper describes the measurement principles that allow accurate measurements to be taken on samples of arbitrary size, shape, and measurement geometry - and of arbitrary physical and chemical composition - through the use of know nuclear decay data ( half - lives and branching intensities ). this method relies on internal gamma - ray peaks from the spectrum under analysis to self - calibrate the unknown spectrum for energy and peak shape
本工作首次分析了pc fram軟體的演算法並使用高純鍺探測器探測歐共體低濃鈾標準樣品，使用pc fram軟體的預設參數並不能得到準確的富集度值，通過大量的實驗，本工作對鈾富集度測量中的關鍵問題進行了初步的研究並給出了本實驗室條件下準確分析鈾富集度的修正參數和條件。 -
Using the effective action we got in a nuclear matter, we calculate the decay constant / ? and tt mass m - jf as functions of the chemical potential
利用我們得到的核物質中的有效作用量，我們計算了介子的衰變常數和質量，他們都是化學勢的函數。 -
In the growth and decay of living things there occur even more complex types of slow chemical change.
在生物的生長與衰退中發生著形式甚至更為復雜的緩慢的化學變化。 -
Adopted that material to profession manufacturing the chemical industry pumps, valves and pipelines to bear the decay, is the enterprise of the earliest in the domestic adopts that material manufacturing the series products of such as pumps valves and pipelines. etc to bear the decay
是國內最早採用該材料製造耐腐蝕泵閥管道等系列產品的企業，公司集科研開發生產服務於一體，採用先進的生產工藝，實行嚴格的質量管理，擁有雄厚的技術力量，完善的售後服務
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