氢 - 关于氢的双语例句 - 氢造句 - 语文书

为您找到254个与“氢”相关的双语例句：

The hydrogenation of diene compound and carbonyl group with yeasts was studied.
对几种酵母细胞催化双烯和羰基的加氢反应作了一些初步研究.
The high dielectric constant is characteristic of hydrogenbonded liquids.
高介电常数具有氢键液体的特征.
Tetrahydrothiophene was synthesized using iodine as a catalyst from 1, 4 - dichlorobutane and sodium sulfide.
以1, 4- 二氯丁烷和硫化钠为原料,碘为催化剂,乙醇为溶剂合成了四氢噻吩.
With di - iso - butyl dimethoxy DIBS, DQ catalyst was more sensitive to hydrogen regulation.
使用二异丁基-二甲氧基硅烷, DQ催化剂的氢调敏感性更好.
Sodium Diacetate ( SDA ) and Sodium Dehydroacetate are two new - model preservatives.
双乙酸钠和脱氢乙酸钠为两种新型的防腐防霉剂.
Dextrorotary ammonium tartrate can be prepared from by product tartar produced in grape wine factory.
酒石酸氢铵和氨水反应并经脱色、脱水可制得最终产品右旋酒石酸铵.
Dextromethorphan hydrobromide sustained - release matrix pellets were produced by extrusion - spheronisaion.
氢溴酸右美沙芬骨架缓释微丸的制备采用挤出滚圆法.
Objective To evaluate the stability of the controlled - release pellets of dextromethorphan hydrobromide.
目的考察氢溴酸右美沙芬控释胶囊的稳定性.
The substituent is deuterium.
取代基是重氢.
More reactive are the heavier isotopes of hydrogen, deuterium and tritium.
更为活跃的是氢的较重同位素, 氘和氚.
The principle, structure and characteristic of Hydrogen determinator and it's application in environmental testing was summerized.
本文叙述了定氢仪的测氢原理、结构、特点及定氢仪在环境试验中的用途.
The deoxidization effect with hydrogen was superior to that with cyclohexene.
氢气还原活化效果明显优于环己烯还原效果.
This paper discussed three methods of producting vinyl etherspreparation from acetylene, dehydrohalogenation and acetals.
论述了乙烯基醚类化合物的三种主要制备方法乙炔法、脱卤化氢法和缩醛热分解法.
This reaction, called the Hofman elimination, is quite analogous to the dehydrohalogenation of an alkyl halide.
这个反应称为Hofman消除反应, 它很像卤代烷的脱卤化氢反应.
The key for isobutane dehydrogenation is to synthesize non - noble mental catalysts.
详细总结了不同载体和助剂对脱氢反应的影响,尤其是载体和助剂的酸碱性以及载体的孔结构.
Methanol dehydrogenation is a promising route for commercial production of anhydrous formaldehyde.
甲醇直接脱氢制无水甲醛是具有工业化前景的新工艺.
Catalytic dehydrogenation of ethylbenzene is an important method for production of styrene.
乙苯催化脱氢是生产苯乙烯的主要方法.
The dye is reduced by dehydrogenase enzymes released by viable tumour cells.
染料被存活的肿瘤细胞放出的脱氢酶所还原.
Both prephenate dehydrogenase and prephenate dehydratase have been isolated from plants.
预苯酸脱氢酶和预苯酸脱水酶都已从植物中分离出来.
Deflagration of combustible cloud formed by hydrocarbon fuels dispersed in air can easily transfered to detonation.
碳氢燃料在空气中形成的可燃气云,点火后容易从燃烧发展为爆轰.

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