alcohol propyl
英
美
网络 丙烯
双语例句
- Normal propyl alcohol content should be controlled as follows: 1.utilization of yeast species which produces less normal propyl alcohol;
应从多方面着手，控制正丙醇含量：1.使用产正丙醇少的酵母菌种。 - From the electrolysis efficiency of alcohol, propyl alcohol and butyl alcohol can be said that ( 1) Voltage grads and original concentration have strong bigger influence on the removal rate.
通过考察乙醇、丙醇和正丁醇的微电解效率可以得出：（1）电压梯度和初始浓度对电解结果都有较大的影响。 - Synthesis of propel propionate from n-propyl alcohol and propane acid and solid super acid SO~ ( 2-)_4/ Fe_2O_3 as catalyst instead of sulphuric acid have been studied, the synthesis of catalyst and the condition of the synthesis of propyl propionate.
利用制备的固体超强酸SO2-4/Fe2O3代替浓硫酸作催化剂，将正丙酸和正丙醇酯化合成丙酸丙酯，讨论了催化剂的制备及合成丙酸丙酯的条件。 - The way using crude material furoic acid and propyl alcohol to synthesize propyl furoate is researched by catalyst stannous oxide. The yield is 77%.
以呋喃甲酸和正丙醇为原料，氧化亚锡为催化剂，合成了呋喃甲酸正丙酯，产率可达77%。 - Permeation of SO2, N2 and separation of SO2-N2 mixed gas through functional polymer membrane of poly ( vinyl alcohol) modified with propyl vinyl sulfoxide have been studied.
丙基乙烯基亚砜改性聚乙醇功能高分子膜对SO2，N2及SO2-N2混合气体的渗透性能研究表明，该膜具有高选择透过SO2的优良性能。 - Study on efficient permselective gas separation membrane for sulfur dioxide ii. separation characteristics of membrane from poly ( vinyl alcohol) modified with propyl vinyl SUFOXIDE
高选择性透过SO2气体分离膜研究Ⅱ.丙基乙烯基亚砜改性聚乙烯醇功能高分子膜的分离性能 - A new low volatile stripper with benzene alcohol ( BA), methyl propyl alcohol ( MPA) and di-ketone alcohol ( DKA) as the main solvents is prepared. The effects of the type and amount of main solvent, accelerant on the stripping efficiency are discussed.
以苯甲醇（BA）、丙二醇乙醚（MPA）和二丙酮醇（DKA）为主溶剂制成低挥发性脱漆剂，考察了主溶剂、促进剂的种类、用量等因素对脱漆效果的影响。