peg ratio 中文意思是什麼

peg ratio 解釋
peg
  • peg : n 佩格〈女子名〉。n 1 木釘，竹釘，釘；樁，支柱；（提琴等的）弦鈕，琴栓；【植物；植物學】胚栓；【...
  • ratio : n. （pl. ratios）1. 比，比率，比值；比例；系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達；求出…的比值；使…成比例。2. 將（相片）按比例放大或縮小。
  1. When the graft ratio was high, the hydrophilic side chain was long and the molecular mass of the main chain of the hydrophilic matrix was great, the diffusion of pp - g - peg in pp blends would be poor, and the diffusion coefficient would also be small

    接枝率越高、親水性側鏈的長度越長，親基體主鏈摩爾質量越大，接枝共聚物在聚丙烯共混體系中的遷移擴散性能越差，擴散系數越小。
  2. Secondly the cellulase liquid as the raw material were extracted by the aqueous two - phase. the influences of molecular weight of peg, concentrations of peg and salt, ph value, the phase volum ratio etc, the extraction rate and the partition coefficients were studied. the optimum condition was also determined

    其次以纖維素酶液為原料，用雙水相萃取技術提取纖維素酶，考察了不同分子量的高聚物聚乙二醇peg和其質量濃度、其鹽濃度、 ph值、相比等對萃取率和分配系數的影響，確定出雙水相萃取纖維素酶的最佳工藝條件。
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