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The target compound was synthesized from N-benzyl protected aminoacetophenone through hydrogenation,benzoylation and reduction.

以氮-苄基保护胺基酮为原氢化,苯甲酰化,还原三步合成双苯甲酰沙丁胺醇酯。

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

以苯甲酰氯为原,酰化,还原,环合等反应合成左旋西替利嗪盐酸盐,反应总收率为8.05%。

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

介绍以双丙酮醇为原,加氢合成异己二醇的方法。

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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.

氢化法的产品已用来代替剂作为酶促反应的辅酶,但硼氢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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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加氢的化剂的种类,讨论了SBS加氢的机理及加氢动力学的研究展。

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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不稳定的组分,可聚合产生凝胶。对于给定烯烃和烷基芳烃,氢化可以改善产品质量。

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The quality of diesel oil producing was advanced by isomery pour point depression technique applying in hydrogenation unit in Harbin Petroleum Company Branch of PetroChina.

介绍了中国石油哈尔滨石化公司柴油加氢精制-临氢降装置采用异构降凝技术提高产品柴油质量的生产情况。

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Sevoflurane is synthesized from aceton by vapor phase catalytic fluorination, vapor phase catalytic hydrogenation,chloridization and fluoromethylation, which gives a new synthetic method.

以丙酮为原氯化、气相氟化、气相氢化及氟甲基化等一系列改的方法合成了七氟醚,提供了一条新的合成路线。

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

脱氢橙花叔醇在化剂存在和压(或接近压)下发生选择性部分氢化反应,形成橙花叔醇。

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

研究了以硼氢化钾修饰的雷尼镍化剂松油醇加氢制备二氢松油醇的反应。

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CNN 10 学生英语 2018年5/6月合集

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

但是人造的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产生的。

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Asap SCIENCE 精选

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”的,但是氢化经常把它成“反式构型”。

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Asap SCIENCE 精选

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.

这个过程叫做氢化的过程,就是入更多的氢,使得油变得更固态。在这一过程中温高,一些麻烦的变化就因此发生了。

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趣味化学实验:Periodic Videos

Cobalt sponge absorbs lots and lots of gas for perhaps hydrogenation.

钴海绵可能用于吸收大量气体,例如用于氢化过程。

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化学 Crash Course

You also learned a little bit about cis-trans isomerism and learned a few important reactions of alkenes and alkynes such as hydrogenation, halogenation, and polymerization.

你还了解了一点关于顺反异构体的知识,并学习了一些烯烃和炔烃的重要反应,如氢化、卤化和聚合。

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Everything Everywhere Daily

In 1902, German chemist Wilhelm Norman patented the hydrogenation process, which allowed liquid vegetable oils to be converted into solid or semi-solid fats.

1902年,德国化学家威廉·诺曼申请了氢化工艺的专利,该工艺可将液态植物油化为固态或半固态脂肪。

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Everything Everywhere Daily

I covered this in my previous episode on seed oils, explaining that the hydrogenation process allowed cotton seed oil to produce Crisco, the first artificial shortening.

我在之前关于植物油的节目中提到过这一点,解释了氢化过程使得棉籽油能够制成起酥油(Crisco),这是第一种人造起酥油。

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化学 Crash Course

Food chemists use hydrogenation to saturate the unsaturated fat, making it spreadable and also stabilizing it.

食品化学家使用氢化来使不饱和脂肪饱和,使其变得可涂抹并稳定。

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化学 Crash Course

Probably the simplest addition reaction and one that you've heard of is hydrogenation, in which a molecule of hydrogen, H2, is added across the bond.

可能最简单的成反应就是氢化,即一个氢分子H2到双键上。

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Everything Everywhere Daily

Hydrogenation made margarine even cheaper to produce, improved its consistency in shelf life, and gave it a texture more closely resembling butter.

氢化使人造黄油的生产成本更低,延长了保质期,同时使其质地更接近黄油。

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