1. Alkenes react with water and halogens to form halohydrins by an additionreaction.
烯烃与水和卤素发生加成反应生成卤代醇。
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2. The 4-methoxy-phenylhydroxy-acetic acid was synthesized by the carbonyl addition reaction of 4-methoxybenzaldehyde.
通过4-甲氧基苯甲醛的羰基加成反应合成4-甲氧基-苯基羟基乙酸。
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3. The addition reaction with hydrogen cyanide is base-catalysed.
与氰氢酸的加成是碱催化的。
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4. 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。
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5. 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。
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6. 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。
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7. 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。
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8. The yield of the additionreaction 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%。
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9. 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。
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10. Michael reaction is a typical nucleophilic addition reaction, is always an organic chemistry domain research hot spot.
迈克尔反应是一个典型的亲核加成反应，一直是有机化学领域的一个研究热点。
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11. 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。
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12. Halogen atom could activate the triple bond and as the directing group, the triple bond occurs the electrophilic addition reaction.
卤原子作为保护基，代替末端炔发生碳-氢官能团化反应。
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13. 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。
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14. This paper reports the route of synthesis multisubstituted alkenes by addition reaction of alkyne zirconalkylation with zirconocene complexes.
本文报道了锆烯络合物对炔烃的烷基化加成，合成多取代烯烃，产率较高。
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15. 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。
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16. Synthetic reactions of hyperbranched polymers included condensation reaction, addition reaction, ring - opening reaction, grafting reaction, etc.
超支化聚合物的合成反应主要有缩聚反应、加成反应、开环聚合、接枝反应等。
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17. Based on the principle of phase transfer catalysis, 4-methoxy-phenylhydroxy-acetic acid was synthesized by the carbonyl addition reaction of 4-methoxybenzaldehyde.
以对甲氧基苯甲醛、三氯甲烷为原料，相转移催化羰基加成法合成了对甲氧基苯乙醇酸。
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18. 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。
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19. A process for preparing 1-methoxy-2-propanol by selective ring cleavage-addition reaction of propylene oxide with MeOH in the presence of HM-9512 catalyst is described.
20. Silicone polyether surfactant was synthesized by the additionreaction 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。
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21. A novel additionreaction 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。
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22. The equilibrium constants of additionreaction of alcohol to tetrahedral complex of cobalt with organophosphorus monobasic acids in octane are established by spectrophotometry.
用光度法测算了醇与有机磷一元酸四面体钴配合物加合反应的平衡常数。
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23. 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.
24. 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。
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25. 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.
26. According to the discussion of reaction conditions using different initiations, it was believed that peroxide-initiated free-radical addition reaction was a promising method by mechanism analysis.
27. 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%.
28. You may, instead of breathing deeply, or better still, in addition to it, count slowly from one to ten. This will delay your angry reaction and weaken it.
除了深呼吸，你也可以慢慢地从一数到十，这也可以延迟你生气的反应时间。
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29. Sure, we could just say "This concert is awesome," but the addition of the swear word emphasizes the emotional reaction we have toward it - and easily conveys that emotional reaction to others.
30. In addition to the obvious safety-related benefits, the fast reaction time will ensure minimal work stoppage and thus result in increased worker productivity and company profitability.
