英语释义

• a chemical reaction in which one molecule is added to another

片语

reversible addition reaction可逆加成反应

brominating addition reaction溴化加成

addition compound reaction加成反应

addition polymerization reaction加成聚合反应

sih addition reaction硅氢加成

addition hydrolysis reaction加成

asymmetric addition reaction不对称共轭加成

epoxide addition reaction环氧加成反应

additive reaction加成反应

Addition n reaction加成反应

英汉例句

• a novel addition reaction of methyl phenyldiazoacetate to enamine(which was prepared from acetophenone and secondary amine) was investigated using copper salt as a catalyst.

  在铜盐催化剂的作用下，重氮苯乙酸甲酯与吗啉衍生的烯胺能够发生一种新型加成反应。

• the computation indicated that the stable silicyl alkene is produced by the addition reaction of silicon alkyne and hydro-gen.

  计算表明，硅炔与氢分子加成反应可生成稳定的甲硅烷基硅烯。

• addition reaction is implemented in a closed cauldron, thus raising its reaction temp.

  加成反应在封闭釜内进行，可提高反应温度，缩短反应时间和提高产品得率。

• methods: electrophilic substitution, reduction, oxidation and nucleophilic addition reaction were used in the synthesis of title compounds.

  方法：通过亲核取代、还原、氧化、亲核加成等反应得到目的化合物。

• a lower generation dendritic twelve ester has been synthesized from ethylenediamine and acrylic twelve ester by means of michael addition reaction in the solvent of methanol .

  以乙二胺和丙烯酸异辛酯为原料，甲醇为溶剂，在无催化剂条件下，经迈克尔加成反应合成了低代的树枝状化合物。

• the addition reaction with alkaline catalyst was used for the preparation of urea-formaldehyde prepolymer of rose perfume microcapsule.

  以脲醛树脂为囊壁的玫瑰香精微胶囊，其囊壁原料脲-甲醛预聚体的制备，采用了堿催化下的加成反应工艺。

• at the same time, the addition reaction of organozinc reagent and ketones was investigated.

  同时对有机锌试剂与酮的加成反应进行了研究。

• on the contrary to the vinyl and aryl chlorides, the oxidative addition reaction of zerovalent palladium to chloro-substituted phosphaalkenes proceeded smoothly under mild conditions.

  与氯代烯烃或芳烃相反，氯代膦烯与零价钯的氧化加成反应可以在温和条件下进行。

• rhodium-catalyzed asymmetric 1,4-conjugate addition reaction is one of the most efficient methods for the carbon-carbon bond formation.

  铑催化不对称1，4-共轭加成反应是一种非常有效的碳—碳键形成方法。

• the yield of the addition reaction was increased from 66% to 98% because the synthesis method was improved.

  改进合成方法使加成反应的产率由原来的66%提高到98%。

• the preparation of 1,1,2 ethanetricarboxylic acid from addition reaction of maleic acid with germaniumane trichloride under acidic condition, then hydrolysis has been investigated, the yield is 71%.

  以糠醛为原料，先制得顺丁烯二酸，用顺丁烯二酸与三氯锗烷在酸性条件下加成，然后水解得到1，1，2 乙烷三羧酸，收率为71%。

• preparing cyclopentane halide by the addition reaction of cyclopentene with hydrogen halide is a simplified process with a high yield and can be used in a large scale .

  环戊烯与氢卤素加成反应制备卤代环戊烷，工艺流程简单，原料经济，收率高，易实现工业化。

• by contrast, are those formed by the addition reaction of an unsaturated monomer, such as takes place in the polymerization of vinyl chloride.

  与缩聚物不同，加聚物时由不饱和单体通过加聚反应形成，例如氯乙烯单体的聚合。

• the addition reaction with hydrogen cyanide is base-catalysed.

  与氰氢酸的加成是堿催化的。

• cycloexyltrichlorosilane was synthesized with cyclohexene and trichlorohydrosilication as raw material by microwave catalysis hydrosilicon addition reaction with chloroplatinic acid as catalyst.

  以环己烯和三氯氢硅为原料，氯铂酸为催化剂，经微波催化硅氢加成反应合成了环己基三氯硅烷。

• silicone polyether surfactant was synthesized by the addition reaction of low hydrogen content silicone and allyl polyether with pt catalyst and under no solvent condition.

  通过采用铂催化剂催化低含氢硅油与烯丙基聚醚的硅氢加成反应合成了有机硅聚醚表面活性剂。

• a technique for continuous manufacture of thin-walled tube with medical grade silicone rubber cured through an addition reaction is developed.

  文中研究了连续化生产医用级加成型硅橡胶薄壁微型胶管的方法。

• the mechanism of light influencing the addition reaction was also studied.

  初步分析了光线照射影响四溴乙烷合成反应的作用机理。

• c_(60) is one kind of fullerene with high conjugated cage-types structure. its covalence between two hexagons has high reactivity, which behaves as addition reaction of double bond.

  是高度共轭的笼状结构的碳素体，分子结构中六边形环间的共价碳碳双键是富电子区，反应性能与烯烃有类似性，主要表现为双键加成。

• the addition reaction of substituted phenyl nitrile oxide and p-acetaminobenzenesulfamide were reported.

  本文报导了取代芳腈氧化物和对乙酰氨基苯磺酰胺的加成反应。

• in this paper, ethylene glycol mono dicyclopentenyl ether is synthesised by addition reaction of dicyclopentadiene and ethylene glycol, and the mechanism of this reaction is explained.

  用二环戊二烯和乙二醇进行加成反应合成乙二醇单二环戊烯基醚，并说明了此反应的原理。

• results show that the addition reaction of bromine with acetylene was obviously influenced by light condition.

  研究表明，光线条件对溴素与乙炔加成反应过程有非常明显的影响。

• among the three steps, addition reaction is the crucial step in that it is not only the slowest process but also how much its yield decides stand or fall of content of trichloropyridinol sodium.

  其中以加成反应最为关键，它不仅是最慢的过程，其收率的多少也决定了目的产品三氯吡啶醇钠含量的高低，是整个过程的关键步骤。