查询词典 thio

In the part two, we reported the classical Knoevenagel condensation between aromatic aldehydes and acyclic active methylene compounds or cyclic active methylene compounds containing heteroatom such as (2-thio)barbituric acid, Meldrum's acid using ionic liquids as reaction medium.

在第二部分中我们研究了离子液体中开链活性亚甲基化合物、杂环类活性亚甲基化合物如(2-硫代)巴比妥酸、Meldrum's酸与芳香醛之间的Knoevenagel缩合反应。

In chapter four molecular modeling method is employed to comparatively study five S-allyl γ-hydroxy ketene dithioacetals reactions of Thio-Claisen rearrangement with and without zeolite catalysts.

第四章用分子模拟途径研究了在有、无分子筛催化条件下五种丙烯基羟基乙烯酮二硫代乙缩醛Thio-Claisen重排反应。

Two potential novel environmentally friendly ashless vegetable oil additives, 2-mercaptobenzothiazole derivatives, di-n-dodecyl-[2-(2-benzothiazolyl)thio]ethylborane and di-n-dodecylthio-[2-(2-benzothiazolyl)thio]ethylborane, were synthesized and their tribological performance as additives in rapeseed oil was evaluated using a four-ball wear tester.

合成了两种新型环境友好型植物油无灰添加剂，即二正十二烷氧基-2-[(2-苯并噻唑基)硫代]乙氧基甲硼烷和二正十二烷硫基-2-[(2-苯并噻唑基)硫代]乙氧基甲硼烷。

Moreover,the essence of innovation and the features of organization structure of THIO are explored,the impact of THIO on innovation mechanism are specitically analyzed from several aspects,namely,attributes of carrier and centre,function of coordination,digestion of conflict relationship,decision-making for cooperative solution,and laten...

其次，从创新的本质和接口组织的组织结构特征开始探讨，对接口组织在创新机制方面的影响分别从接口组织的载体性和中心性，协调作用，冲突消解，合作方案选择决策，以及隐性作用等几个方面进行了分析。

Synthesis of organic sulfuric compounds in aqueous media is carried out by: using thio-olefin compounds with carbonyl compounds, acetal/keltone, hydrazone, oxime, osazone and enamine to synthesize mercaptal/keltone compounds in aqueous media; using thio-olefin compounds with alpha-hydroxyaldehyde/keltone or alpha-halogenated aldehyde/keltone to synthesize thia-olefin derivatives in a queous media; using thio-olefin compounds with alpha, beta-unsaturated hydroxy compounds, C-C treble bond, C-N treble bond, C-C double bond, N-N double bond, C-N double bond, C-S double bond, epoxy and its derivatives, aziridine and its derivatives, cyclopropane and its derivatives and halogenated carboxy to synthesize sulfoether compounds in a queous media.

含水介质中有机硫化合物的合成方法，本发明属于有机合成方法，用硫缩烯酮类化合物与羰基化合物、缩醛/酮、腙、肟、脎、烯胺在含水介质中合成缩硫醛/酮化合物，与α-羟基醛/酮或α-卤代醛/酮在含水介质中合成噻烯类衍生物，与α，β-不饱和羰基化合物、碳碳叁键、碳氮叁键、碳碳双键、氮氮双键、碳氮双键、碳硫双键、环氧乙烷及其衍生物、氮杂环丙烷及其衍生物、环丙烷及其衍生物、卤代烃等在含水介质，中合成硫醚化合物。

Thio is the Greek word for uncle, and

Thio&是希腊语，意思是「叔叔」，而&nads 是俚语

Based on the triple helix theory,starting from the concept of Triple Helix Interface Organization,structural forms of bilateral THIO and trilateral THIO are presented.

本文以创新三螺旋理论为基础，从三螺旋接口组织的概念出发，首先对双边接口组织和三边接口组织的结构形式进行了阐述。

I Thio was sensitive to bicuculline, a -aminobutyric acidAreceptor antagonist, but not to strychnine, a glycine receptorantagonist.

I Thio 对γ-氨基丁酸 A 受体拮抗剂荷包牡丹碱敏感，而对甘氨酸受体拮抗剂士的宁不敏感。

However, 2 inserted fragments of recombined plasmids have no overlapped regions. Further more, when these recombined plasmids were retransformted to M145::SCE25AT, no Km~sApr~R and "bald" phenotype transformant were obtained in 5,000 Thio~R transformants.

但是，测定2个重组质粒的插入片段没有发现相互重叠区；而且，提取2株重组质粒重转化到M145：：SCE25AT中，分别得到5，000株Thio~R转化子，但没有得到Km~SApr~R及&光秃&表型的转化子。

In order to get the aryl alkynyl thio ether, we need to synthesize some important terminal functional compounds. Based on the preceding reaearch of our laboratory, we selected methyl thio methyl phenyl sulfone as nucleophilic reagent to eract with aromatic aldehyde and synthesized successfully a series of methylthio aryl ethynes I_ by"one-pot"reaction .

本论文在大量的文献调研和本实验室过去研究结果的基础上，利用亲核硫试剂甲硫基甲基苯基砜(methylthiomethyl phenyl sulfone， MP-S)与芳香醛的&一锅反应&，成功的合成了一系列甲硫芳炔化合物I_，从而为实现形态各异的芳炔硫醚类分子提供了一个良好的构筑平台。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐