查询词典 hydrogenation

A modified Raney Ni catalyst is developed to make citronellol from citronellal by hydrogenation in a lower pressure.

研制了适用于香茅醛在较低压力下选择加氢制备香茅醇的改性骨架镍催化剂，香茅醛的转化率达99。

M-Al2O3 catalyst for vapour-phase hydrogenation of citronellal to citronellol under normal pressure have been studied in a continuous flow and fixed-bed micro reactor.

采用连续流动微型固定床反应装置，研究了M催化剂对香茅醛在常压下气相加氢制香茅醇的反应。

By means of electric hydrogenation -atomic absorption spectrophotometer, the seleniumcontets have been determined,analysed and evaluated in 204 samples of twelve grain and grain by-products such as rice, wheat, corn , barley, rape seed cake, cotton seed cake , soybean cake, sesame seed cake, soybean, rice bran, wheat bran and peanut oil cake, etc.

本文运用电热氢化—原子吸收分光光度法，对湖北省产稻谷、小麦、玉米、大麦、菜子饼、棉子饼、大豆饼、芝麻饼、大豆、米糠、小麦麸皮、花生饼十二种粮食及其副产品204个试样中硒元素的含量进行了测定、分析和评价。

Professional processing of all kinds of stainless steel mixing tank, stainless steel (2520) sintered crucible, stainless steel hydrogenation cans, stainless steel cabinet, cabinets, grinding machine, the ball mushroom machine, mixer, aluminum parts processing and welding, and titanium and titanium clad steel plate chemical processing equipment, sealing cans, mixing tank, reactor, heat exchanger, titanium crucible.

专业加工各种不锈钢搅拌罐，不锈钢(2520)烧结坩埚，不锈钢氢化罐，不锈钢箱体，柜子，磨筛机，球蘑机，混料机，铝件的加工和焊接，及钛和钛复合板的化工设备加工，密封罐，搅拌罐，反应釜，换热器，钛坩埚。

Methanimidamide monoacetate was synthesized by hydrogenation of cyanamide over Pd-In/C catalyst in the presence of acetate acid.

采用以活性炭为载体负载Pd、In制备的催化剂，在醋酸存在条件下，将氰胺加氢合成醋酸甲脒。

Finasteride has been facilely synthesized from 4-androstene-3, 17-dione by oxidation, ammoniumation, cyanohydrin, dehydration, Ritter reaction, hydrogenation and dehydrogenation.

本文参考有关文献，以雄烯二酮为起始原料，经氧化开环、内酰胺化、氰醇化、Ritter反应引入叔丁基酰胺、氢化还原、最后氧化脱氢制得非那雄胺。

The optimal operation parameters of the novel catalyst for the process of benzene hydrogenation to cyclohexane were determined.

确定了适用于该新型催化剂的最佳的工艺操作条件。

As the success of benzene partial hydrogenation to prepare cyclohexene developed by Asahi Chemical Industry Co.,Ltd.,cyclohexanol prepared through cyclohexene is...

这一工艺关键是催化剂的设计及选择，因此本文主要对环己烯水合催化剂进行了考察，并进行了反应工艺条件的优化。

The Ni-based extensive hydrogenation catalyst and the process developed by us were applied to the industrial equipment with an annual production capacity of 20 thousand tons of foaming agents in the Meilong Cyclopentane Co., Ltd of Jilin Chemical Industry Co., Ltd. In 2002, the feed and trial was successful with one attempt and produced high-quality cyclopentane foaming agents.

我们开发的 Ni 系深度加氢催化剂及其工艺在吉林化学工业公司美龙环戊烷公司年产2万吨发泡剂工业装置上应用，于2002年一次投料试车成功，生产出高质量的环戊烷发泡剂。

Key equipment for refining raw materials are : Tajikistan, decarbonization reactor, hydrogenation reactor, Tajikistan, and other refined products.

关键设备有：原料精制塔、脱碳反应器、加氢反应器、产品精制塔等。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48