英语词汇P-P fraction怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

　

单词	P-P fraction
释义	P-P fraction 简明释义丙烷-丙烯馏分（propane-propylene fraction）；蛋白酶-蛋白胨馏分（proteose-peptone fraction）网络释义 1 ?丙烷 ... 丙酮提取物 acetone extract 丙烷-丙烯馏分 P-P fraction 丙烷萃取分离 propane fractionation ... 短语 1 p adic fraction p 进分数双语例句 1 Exploring the utilization of different fraction of P by different plants which could secrete different LMWOA under the condition of P-deficiency. 栽种能够分泌不同有机酸的植物，考察不同植物对土壤不同组分无机磷的活化利用情况； 2 The feasible mass fraction of organic activation agent is 3% for hard-soluble P but 14% for water-P. 有机活化剂的用量，用于难溶性磷促释时其质量分数为3%，用于水溶性磷控释时其质量分数约为14%。
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更新时间：2025/2/15 1:46:00