1) cyclodehydrase
环化脱水酶
2) cyclodeaminase
[,saiklədi:'æmineis]
环化脱氨酶
3) cyclodehydration
[,saiklədi:hai'dreiʃen]
脱水环化
1.
The catalytic performance of mineral acids for the synthesis of 1 , 4-dioxane by cyclodehydration of DEG was studied.
考察了无机酸对二甘醇(DEG)脱水环化制备1,4-二氧六环(DOX)反应的催化效果。
4) cyclodehydration
[,saiklədi:hai'dreiʃen]
环化脱水
1.
As to the supported catalysts of silicotungstic acid (HWSi) for cyclodehydration of 1,4-butancdiol to prepare tetrahyfrofuran, the effects of the kinds of carriers, the acidities, the acid contents and the combination ability between HWSi and supporters were investigated.
研究了负载型硅钨酸催化剂的载体种类、酸强度、酸量、硅钨酸与载体的结合能力对其催化1,4-丁二醇环化脱水制备四氢呋喃的影响。
2.
The method of liquid phase synthesis of dioxane from the cyclodehydration of diethylene glycol catalyzed by ASP-type solid acidic catalysts was studied.
研究了ASP型固体酸催化剂一缩乙二醇(二甘醇)环化脱水合成1,4-二氧六环的液相反应。
5) dehydration
[英][,di:hai'dreiʃən] [美][,dihaɪ'dreʃən]
脱水环化
1.
The catalysts of 1,4-butanediol dehydration for producing tetrahydrofuran are studied,It is found that heteropoly acid,immersing heteropoly acid carrier and Y,β,ZSM-5 zeolite all have high activities.
考察了 1,4-丁二醇液相脱水环化制四氢呋喃的催化剂 ,发现杂多酸或负载型杂多酸及Y、β、ZSM - 5型分子筛均具有很高活性 ,经催化剂稳定性试验 ,表明每克催化剂可处理原料 35 0 0 0g以上 ,原料转化率 10 0 %(mol) ,四氢呋喃选择性≥ 99% (mol)。
2.
H-Y zeolite?χ-Al 2O 3 used in 1,4-butanediol dehydration for producing tetrahydrofuran,and the vaporizing and reaction conditions have been studied.
考察了 1,4-丁二醇气相脱水环化制四氢呋喃的几种催化剂H -Y分子筛、 χ -氧化铝以及汽化和反应工艺条件。
6) methylene-tetrahydrofolatedehydrogenase/cyclohydrolase
四氢叶酸脱氢酶/环化酶
补充资料:酒化酶、醇酶、发酵酶
分子式:
CAS号:
性质:又称酒化酶、醇酶、发酵酶。从酵母中分离而得的一系列酶。不耐热。它能催化酒精发酵反应,与糖酵解有关,如磷酸化酶、醛缩酶、葡萄糖磷酸变位酶、葡萄糖6-磷酸酶等。
CAS号:
性质:又称酒化酶、醇酶、发酵酶。从酵母中分离而得的一系列酶。不耐热。它能催化酒精发酵反应,与糖酵解有关,如磷酸化酶、醛缩酶、葡萄糖磷酸变位酶、葡萄糖6-磷酸酶等。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条