dehydration catalyst 中文意思是什麼
dehydration catalyst
解釋
脫水催化劑- dehydration : 除濕，脫水，乾燥
- catalyst : n. 【化學】觸媒，催化劑，接觸劑〈又作 catalytic agent〉；〈比喻〉觸發因素，〈口語〉（善用熱情、言語等打動他人的）有感染力的人。
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N - cyclohexylmaleimide was synthesized by dehydration and ring closure of n - cyclohexylmalemic acid in the presence of a catalyst consisting of a mixture of sulfuric acid and triethylamine
摘要用濃硫酸和三乙胺共催化環己基馬來酰胺酸脫水關環合成環己基馬來酰亞胺。 -
Study on catalyst and process conditions of 1, 4 - butanediol dehydration for producing tetrahydrofuran - gas phase method
丁二醇氣相脫水環化制四氫呋喃催化劑和工藝的研究 -
Abstract : by comparing the dehydration methods of three catalytic by comparing the dehydration methods of three catalytic esterification reactions and the catalysts used under negative by comparing the dehydration methods of three catalytic esterification reactions and the catalysts used under negative pressure, the better method of synthesizing 2 - ethylhexyl chloroacetate is using stannous oxide as catalyst under negative chloroacetate is using stannous oxide as catalyst under negative pressure
文摘:通過對三種催化酯化反應的脫水方法及負壓下使用不同催化劑的比較和通過對三種催化酯化反應的脫水方法及負壓下使用不同催化劑的比較和選擇，提出了以氧化亞錫為催化劑負壓脫水合成氯乙酸2 -乙基己酯的方法。 -
( 4 ) through the experiment we find that so24 / zno - sno2 ( 2 : 1 ) / la3 + is most active among the samples, when use it as catalyst, . dehydration reaction last 1. 5 hour, depolymerization temperature end at 230 - 240c and production ratio of crude lactide reach to 90 %
相對傳統的氧化物催化劑，具有較為明顯的進展： （ 5 ）考察具有較高活性催化劑的理想反應條件，並對影響精製產物收率的重結晶因素作初步探討，指出重結晶也是影響精製收率的一個重要因素。
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