查询词典 hydrogenation

By Sketchy Method Alternately rate constant of oil and fat hydrogenation reaction was calculated,and furthermore Selectivity Ratio of linoleate and linolenate was calculated respectively in the paper.

提出迭代作图法，用以计算油脂氢化反应速率常数，进而计算三烯酸、二烯酸的选择性比。

The quantitative relationship among selective index of linolenate and linoleate on hydrogenation of soybean oil and main preparing conditions of catalystprecipitating temperature,time of precipitating equilibrium and drying temperature was also set up: S Ⅱ=-2.6386+0.0104A+0.00055B+0.003133C S Ⅰ=-0.1607+0.0008A+0.00189B+0.0053C

并利用线性回归方法建立了大豆油氢化时亚麻酸与亚油酸的选择性指数SⅡ和SⅠ与主要制备条件(A/K、B/min 、C/K)之间的关系，即 SⅡ=-2.6386+0.0104A+0.0055B+0.003133C SⅠ=0.1607+0.0008A+0.00189B+0.0053C

The catalyst prepared by impregnation has good catalytic performance of maleic anhydride hydrogenation to succinic anhydride.

采用浸渍法制备的催化剂，具有较好的顺酐加氢制备琥珀酸酐活性。

On groovy cure foundation, remedial group (N=21) application is methylic prednisone dragon 1 Mg/, vein a bit, q12 H, use consecutively 5 D; contrasts group (N=21) uses hydrogenation cortisone 5 Mg/, 1 / D, use consecutively 5 D.

在常规治疗基础上，治疗组(n=21)应用甲基强的松龙1 mg/，静脉点滴，q12 h，连用5 d；对照组(n=21)采用氢化可的松5 mg/，1次/d，连用5 d。

This invention provides a method for preparing hydrogenation catalyst containing phosphorus supported by aluminum oxide. The catalyst is composed of nickel oxide 1-10 wt.%, molybdena oxide and tungsten oxide 10-50 wt.

以氧化铝为载体的含磷加氢催化剂及其制备，该催化剂焙烧后的组成为氧化镍1-10重量％，氧化钼和氧化钨之和大于10至50重量％，氧化磷1-9重量％，余量为氧化铝，其中，以氧化物计，钨和钼的摩尔比大于2.6至30。

HC-402-2 Homogeneous catalyst for benzene hydrogenation is improved through removing water from the catalyst and reducing the content of emulsified material in nickelous isooctanoic acid cyclohexane liquor.

HC - 40 2 - 2型苯加氢均相催化剂经过改进，去除催化剂中的水份，降低异辛酸镍环己烷溶液中乳化物含量后，在保持加氢效果不变的前提下，大幅度提高了催化剂的抗水性能、延长了催化剂的使用寿命。

Both niobic acid and niobium oxide can be used as either catalyst,promoter or support in the heterogeneous catalytic reactions,such as selective oxidation,hydration,hydrolysis,alkylation,dehydrogenation and hydrogenation,because of their acidic and redox properties.

作为一种新型的催化材料，铌酸-氧化铌由于其独特的酸性和氧化还原性正受到越来越多人的关注。它可以作为催化剂的活性组分、助剂或载体使用，在烃类转化、选择性氧化、水解、水合、缩合、加氢脱氢等若干酸碱和氧化还原反应中得到广泛的应用。

Application status and trends in hydrodesulfurization and olefine hydrogenation catalysts are reviewed.

文摘：综述了国内外加氢转化催化剂的开发应用现状和发展趋势。

The reactions include, organometallic reactions (grignard reaction, organolithium -zinc, and -copper chemistry ), metal catalyzed reactions, mannich reaction, nitration, hydrogenation, azidation, amino-protection reactions, organoalluminum catalyzed beckmann rearrangement, schmidt rearrangement, epoxidation, epoxide ring opening reactions, swern oxidation etc.

这些反应包括：有机金属反应(格利亚反应，有机锂，有机锌和有机铜反应)，金属催化反应堆(suzuki 反应， negish 反应)， mannish 反应，硝化反应，氢化反应，叠氮反应，各种基团的保护和脱保护反应，有机铝催化的贝克曼重排反应，斯密特重排反应，环氧化反应，环氧烷开环反应， swern 氧化反应等。

Selective hydrogenation for pentadiene in FCC C 5 fractions and hydroetherification of tertiary pentanes with methanol were investigated.

采用离子交换法制备了Pd/D0 0 5树脂催化剂，对催化裂化C5 馏分中戊二烯的选择性加氢和叔戊烯与甲醇的临氢醚化反应进行了研究。

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