查询词典 hydrogenation

Besides,through Arbuzov reaction,Vilsmer-Haack Hydroformylation,Wittig-Horner reaction,nitryl hydrogenation deoxidize,and imidization five steps synthesized another compound which included hole-transporting,electron-transporting and luminescence materials.

此外，又通过Arbuzov反应、Vilsmer-Haack甲酰化反应、Wittig-Horner反应生成二苯乙烯、硝基加氢还原、酰亚胺化5步反应合成了一种集空穴传输-电子传输-发射三位一体的新型苝酰亚胺化合物。

The catalytic behavior was studied by the hydrogenation ofα-octene at room temperature. The catalyst with smaller palladium particles and thinner fiber show better catalytic performance.

所得到的纤维态催化剂中纤维的直径在纳米和微米尺度之间，不同的载体对于金属的分散效果不同，在TEM下显示大部分颗粒在纳米尺度范围之内。

The catalytic property was tested by hydrogenation ofα-octene, cyclohexene and nitrobenzene in ethanol, octane and cyclohexane were prepared at normal temperature and under hydrogen pressure in a 100% yield, respectively.

聚乙烯吡咯烷酮负载纳米钯的超细纤维状催化剂，钯纳米颗粒直径在15 nm以下，并且纳米颗粒负载分布均匀，在室温下催化α-辛烯的加氢反应，产率可达到100%。

A colorless, highly flammable gaseous element, the lightest of all gases and the most abundant element in the universe, used in the production of synthetic ammonia and methanol, in petroleum refining, in the hydrogenation of organic materials, as a reducing atmosphere, in oxyhydrogen torches, and in rocket fuels.

氢：一种无色，易燃的气体物质，在所有气体中最轻，而宇宙中最多用来生产合成氨和甲醇，提炼石油，氢化有机物质作为收缩的气体，用在氧氢焰熔接器和火箭燃料中。

A hydrogenation catalyst contained Co-Mo-Ni active component was used for preparation of pentane with the raffinate of 5-carbon fraction from steam cracking as the raw material.

对活性成分为Co-Mo-Ni的LY-9702加氢催化剂催化蒸汽裂解抽余C5馏分(含60％左右的C5烯烃)制戊烷的工艺条件进行了试验研究。

The high selectivity cis-pinane prepared from α-pinene by catalytic hydrogenation with nickel catalysts was studied in this paper.

本文研究了以镍系催化剂催化α-蒎烯加氢合成高选择性的顺式蒎烷。

The quality of cis-pinane synthesized from α-pinene by catalytic hydrogenation effects its post-products' yields and qualities.

以蒎烯为原料合成各种萜烯香料受到国内外香料界的普通重视，α-蒎烯催化氢化合成的顺式蒎烷的品位直接影响到后续产品的收率和质量。

Study on the selective hydrogenation of α,β-unsaturated aldehydes is of great importance in potential industrial applications and theoretical aspects.

因此，对氯代硝基苯和α，β-不饱和醛的选择性加氢研究具有重要的理论意义和工业应用前景。

It was found that these uranium alloys, especially uranium-zirconium alloys, showed high durability against powdering upon hydrogenation and had similar hydrogen desorption properties as uranium metal.

实验发现这几种铀合金具有优良的吸氢-释氢特性和较好的抗粉化性能。

This article details the characteristics of thermo-tube air preheater and the application on the high-pressure hydrogenation reactor.

详细介绍了热管空气预热器的特点及在高压加氢反应炉上的应用情况。

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