查询词典 addition reaction
- 与 addition reaction 相关的网络例句 [注：此内容来源于网络，仅供参考]
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Addition reaction is generally two hours ...
加成反应一般是两分。。。
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Michael addition reaction , the degree of regional selectivity.
迈克尔加成反应有一定的区域选择性。
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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。
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The speed of electrophilic addition reaction of Alkene is well-connected to the nature of substituting group on C=C.
对于烯烃的亲电加成反应速度，与C=C上直接连接的取代基的性质有关。
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The computa-tion 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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Starting form chitosan,amidogen protecting,cross linking,etheration,amination,amidogen release and addition reaction with CS_2,and chitosan derivative containing dithiocarbamate group was firstly prepared.
本文在课题组前期关于淀粉改性重金属捕集剂研究工作的基础上，参考国内外的相关文献，建立了以壳聚糖为主要原料制备二硫代氨基甲酸改性壳聚糖重金属捕集剂的合成工艺。
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Two magnetic triphase catalysts of comb-like polyether s supported by γ-Fe2O3 were synthesized, and their catalytic behaviors in the iodo-substitution, etherization and the addition reaction of dichlo-rocarbene to styrene were also investigated.
以表面经偶联剂修饰的γ-Fe2O3为载体，通过聚分别与乙二醇单甲醚和一缩二乙二醇单甲醚的醇钠盐反应，合成了两种磁性梳状聚醚三相相转移催化剂，研究了它们在碘代、二氯卡宾对双键加成和混合醚制备反应中的催化活性。
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Two triphase catalysts of comb-like polyether s supported by silicas were synthesized,and their catalytic behavior in the iodo-substitution,etherization and the addition reaction of dichlorocarbene to styrene were also studied.
以表面经偶联剂修饰的二氧化硅为载体，通过聚(β-氯乙基缩水甘油醚)和醇钠反应，合成了两种梳状聚醚三相转移催化剂，研究了它们在碘代、二氯卡宾对双键加成和混合醚制备反应中的催化活性。
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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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Based on the absorption property of glyoxime which can be formed by addition reaction of aldehyde group and hydroxylamine in the UV-spectral region,spectrophotometric determination of glyoxal in glyoxal solution was proposed.
利用醛基与羟胺在酸性条件下的成肟反应产物乙二醛二肟对紫外光的吸收特性，用紫外分光光度法测定乙二醛的含量。
- 推荐网络例句
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Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.
目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。
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Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.
弯曲：这种病是最常见的原因查明腹泻病，在世界上。
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Gangs fill the daily lives of many of our poorest and most vulnerable citizens with a terror that the court does not give sufficient consideration, often relegating them to the status of prisoners in their own homes.
法院没有充分的考虑到黑社会的猖獗所带来的恐怖，这使得我们最穷、最可怜的市民每天生活在他们的阴影当中，成为在家的囚犯。