这可能与锡离子的电子效应和烷基的空间效应有关。
It is probable that the electronic effect of tin ion and the space effect of alkyl availed to form the unsaturated alcohol.
结论甲基或低级烷基的引入导致了高选择性，使其活性增大。
Conclusion Introducing the methyl group or a low alkyl group resulting in the high selectivity and increase of its activity.
阐述了烷基的吸电子诱导效应，因此解释了一些物质的酸性变化顺序。
This paper expounds the negative inductive effect of alkyl and explains the order of acidity of some substances.
EVM为醇中烷基的键连接矩阵特征根之和，PEI为烷基的极化效应指数。
Where EVM is the sum of eigenvalue of bonding orbital-connection matrix of the alkyl group and PEI is the polarizibility of alkyl.
本论文首次应用过渡金属催化的CO选择性还原含硫烷基的芳香硝基物合成芳胺。
Here in this paper, the CO selective reduction of nitroarenes was firstly introduced to reduce the alkylthio nitroarenes.
季铵盐中烷基的转移具有较好的选择性，其优先顺序为：苄基＞伯烷基＞仲烷基。
Excellent selectivity in alkyl transfer was noted in the sequence of PhCH2> primary alkyl> secondary alkyl.
洗发精的起泡是由于烷基葡萄糖和十二烷基的葡萄糖，从葡萄糖获得自然表面活化剂及天然糖。
The shampoo's foaming action is due to decyl glucose and sodium lauryl glucose, two natural surfactants derived from glucose, a natural sugar.
烷基的诱导效应贯穿于整个有机化学，大多数教科书和参考资料都从烷基的推电子作用来解释其诱导效应。
The induced effect of alkyl is supposed to penetrate organic chemistry, which pushing electron of alkyl is used to explain in most text books and reference books.
水合壳在十二烷基苯磺酸钠（SDBS）头基与阳离子之间的相互作用中起着重要作用。
The hydration shell plays an important role in the interactions between the sodium dodecyl benzene sulfonate(SDBS) headgroup and the cation.
通过表面张力法研究了二甲基亚砜（DMSO）对十六烷基三甲基溴化铵（CTAB）胶束形成的影响。
The effect of dimethyl sulphoxide(DMSO)on micelle conformation of hexadecyltrimethylammonium bromide(CTAB)was studied by means of surface tension.
氟烷基因的遗传与孟德尔的分离定律是一致的。
The inheritance of the halothane gene was shown to be in agreement with Mendel's law of segregation.
三甲基甲硅烷基炔丙基溴的反应产物的产率为71%到84％。
The yields of products for the reaction of trimethylsilyl propargyl bromide are 71 to 84%.
烷基自由基对羰基进行进攻，生成双环的羰自由基中间体。
This radical attacks the carbonyl group to an intermediate bicyclic ketyl.
—洗发水里含有大概15种化学物质，包括十二烷基硫酸钠、乙二氨四醋酸四钠（译者按：化妆品中的隔离剂，可用作抗菌剂和防腐剂）和丙二醇。 而这三者都是已知的会损害眼睛的物质。
Shampoos contain around 15 chemicals including Sodium Lauryl Sulphate, Tetrasodium and Propylene Glycol, known to cause eye damage.
像十二烷基硫酸铵和十二酯硫酸铵这样的成分比十二烷基硫酸钠更容易被敏感头皮接受。
Ingredients like ammonium lauryl sulfate and ammonium laureth sulfate tend to be easier on sensitive scalps than sodium lauryl sulfate.
据说月桂醇聚醚硫酸酯钠盐是中温和的十二烷基硫酸盐，但对我来说，实在看不出有什么区别。
They say that Sodium LAURETH Sulfate is a gentler version of LAURYL Sulfate, but to me, it doesn't seem like the difference is very significant.
讨论了烷基化、酰基化和直接提取制备烷基萘的工艺路线。
The process of alkyl naphthalene preparation by alkylation, acylation and direct extraction are also discussed.
讨论了脱水反应和烷基化反应的机理。
The reaction mechanisms of the dehydration and alkylation are discussed.
烷基化催化剂具有良好的活性和稳定性，可在同类装置新建或扩能改造中推广应用。
The alkylation catalyst has superior activity and stability; it can be widely used in similar new-built units or revamping for capacity expansion of old units.
非极性链段包括直链和支链的烷基。
The nonpolar segments of surfactauts include straight-chain and branched alkyl groups.
而饱和烷烃在离子液体中的溶解能力对烷基化产物和催化剂的分离十分重要。
The solvent capacity of ionic liquid for alkane is important to he separation of the alkylate and the catalyst.
烷基化制备烷基萘是目前最成熟的工艺路线，其关键技术是高效催化剂的制备；
The process to prepare alkyl naphthalene by alkylation is the most ripe one, key technology of which is preparation of high efficient catalyst.
采用正交试验法对十二烷基二甲基氧化胺的合成工艺条件进行了研究，获得了在催化剂存在下的最优合成条件。
The synthetic technological conditions of dodecyl dimethyl tertiary amine oxide were studied by orthogonal experiments. The optimum synthesis conditions were obtained in the presence of catalyst.
开发了苯和乙烯液相烷基化反应的新工艺。
A new process of liquid phase alkylation of benzene with ethylene was developed.
长链烷基苯是合成洗涤剂的重要原料，是由苯与长链烯烃在酸性催化剂作用下烷基化反应生成的。
Linear alkylbenzenes are important raw materials for the synthesis of washing agent and it is synthesized from the alkylation of benzene with long-chain alkene in the presence of an acid catalyst.
非极性表面活性剂链段包括直链和支链的烷基。
The nonpolar segments of surfactants include straight - chain and branched alkyl groups.
为研究VPO前驱体层状结构的插层组装性能，分别以烷基胺和金属配合物作为客体进行插层反应。
In order to study the performance of VPO laminated structure, intercalation was carried on with the organic alkylamine and the metal complexes as the guest species respectively.
为研究VPO前驱体层状结构的插层组装性能，分别以烷基胺和金属配合物作为客体进行插层反应。
In order to study the performance of VPO laminated structure, intercalation was carried on with the organic alkylamine and the metal complexes as the guest species respectively.
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