purity factor 中文意思是什麼

purity factor 解釋
純度因數
  • purity : n. 1. 純凈，純潔，純粹，清潔；清白，清廉；貞潔。2. （語言等的）純正。3. 【化學】純度。
  • factor : n 1 〈英國〉經銷人；（代客買賣收取傭金的）經紀人；代理商；代辦人；〈蘇格蘭語〉 土地經管人。2 要素...
  1. With the procedures, the overall recovery of enzymatic activity reached 20 % and the specific activity for substrate hydantoin was about 4 u / mg protein. the purification factor was about 4. 7 folds with the purity about more than 95 % as estimated by sds - page analysis. d - hydantoinase gene from strain ss - ori was cloned to five different vectors to be five recombinant plasmids and in turn to transfer into five different e. coli strains, respectively

    對其中產酶活性最高的一工程菌pexsec一hdt /雲coljblz ] （ de3 ）海因酶的表達條件進行了研究，目的蛋白的表達量約占總菌蛋白的20 % ，其酶活力為0 . 92u / ml ，約是原始菌株的d一海因酶表觀活性的4 . 6倍。
  2. This paper is focus on the average nitrogen purity related to the air - separation production, and the function of improving oxygen extraction rate. analyzed the affecting factor of average nitrogen purity. and summarized the method of improve average nitrogen purity and its application to an air - separation plant

    氮氣平均純度對空分生產中提高氧氣提取率有重要的作用，分析了影響氮氣平均純度的幾種因素，總結出空分裝置提高氮氣平均純度的方法及應用。
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