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A method for the synthesis of hexylene glycol by catalytic hydrogenation from diacetone is presented.

介绍以双丙酮醇原料,经催化合成异己二醇的方法。

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Levocetirizine Dihydrochloride was prepared from benzoyl chloride by acidylation,hydrogenation,cyclization with an overall yield of 8.05%.

以苯甲酰氯原料,经酰化,还原,环合等反应合成左旋西替利嗪盐酸盐,反应总收8.05%。

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The hydrogenation of terpineol to dihydroterpineol catalyzed by Raney Nickel modified by potassium borohydride was studied.

究了以硼化钾修饰的尼镍催化剂催化松油醇备二松油醇的反应。

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Nerolidol was prepared by selective partial hydrogenation of dehydronerolidol at normal or nearly normal pressure in presence of a catalyst.

橙花叔醇在催化剂存在和常压(或接近常压)下发生选择性部分化反应,形成橙花叔醇。

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The diolefins and alkenyl aromatics are very unstable components which can give gums by polymerization.In giving olefins and alky aromatics the hydrogenation improves the product quality.

二烯烃和烯基芳烃是非常不稳定的组分,可聚合产生凝胶。对于给定烯烃和烷基芳烃,化可以改善产品质量。

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The catalysts used to hydrogenate polymer containing polydiolefin units are introduced in this paper.The mechanism of SBS hydrogenation and the development of the kinetics are also referred to.

介绍了目前用于含聚双烯烃链节的聚合物的催化剂的种类,讨论了SBS的机理及动力学的究进展。

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The THFA product of hydrogenation in common pressure has been used in enzymatic reaction and expressed the same result as that of THFA from Sigma, the cost of reduction by hydroborates is lower.

常压化法的产品已用来代替进口试剂作酶促反应的辅酶,但硼化物还原法成本最低,且能合成满足酶促反应要求的产物。

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But artificial trans fats also called trans fatty acids are created when vegetable oil hardens during hydrogenation.

但是人造反式脂肪也被称为反式脂肪酸,是在氢化过程中植物油变硬时

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Asap SCIENCE

The problem is through this process called hydrogenation where more hydrogen is added and the oil becomes more solid, high temperatures are used which cause some troublesome changes.

这个过程叫做氢化过程,就是加入更多氢,使得油变得更固态。在这一过程中温度会升高,一些麻烦变化就因此发了。

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Asap SCIENCE

You see, most of these double bonds are in a configuration known as " cis bonds" , but hydrogenation often flips them into something called a " trans configuration" .

你看,大多数双键都是“顺式结构”,但是氢化经常会把它们翻转成“反式构型”。

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