以苯乙烯为原料，分子氧为氧化剂，改性的钒磷氧化物为催化剂合成环氧苯乙烷。
Styrene epoxidation was carried out using styrene as the row material, molecular oxygen as the oxidant, and modified vanadium phosphorus oxide as the catalyst.
该产品通过调整脂肪醇聚氧乙烯醚的环氧乙烷加成数来控制所合 成的表面活性剂的HLB值。
The product controls the HLB value of synthesized surfactant by adjusting the epoxy ethane adduct number of the fatty alcohol polyoxyethylene ether.
目前，生产氯乙烯的方法主要有乙炔法、乙烯法及乙烷氧氯化法。
Nowadays, there are mainly three ways of producing VCM, that is ethylene oxychlorination, acetylene oxychlorination and ethane oxychlorination.
一种制备乙烯和一氧化碳混合物的方法，该方法包括使乙烷和氧源与催化剂接触，所述催化剂包含合成隐钾锰矿或八面体分子筛。
A method for producing a mixture of ethylene and carbon monoxide comprises contacting ethane and an oxygen source with a catalyst comprising synthetic cryptomelane or octahedral molecular sieve.
考察了几种生物酶作为脂肪醇乙氧基化催化剂的催化活性。实验发现脂肪酶在乙二醇存在的条件下，能使环氧乙烷开环聚合生成脂肪醇聚氧乙烯醚。
Ethoxylation of n_octanol catalyzed by a few of enzymes were studied and the results showed that only lipase with glycol has a certain catalytic activity.
考察了几种生物酶作为脂肪醇乙氧基化催化剂的催化活性。实验发现脂肪酶在乙二醇存在的条件下，能使环氧乙烷开环聚合生成脂肪醇聚氧乙烯醚。
Ethoxylation of n_octanol catalyzed by a few of enzymes were studied and the results showed that only lipase with glycol has a certain catalytic activity.
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