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Is a company specializing in advanced materials processing and surface apparel sales professional company, main products has: ASSADI of Plain | Twill | satin lining, sub-yarn Viscose Plain | Twill | satin in cloth, nylon ASSADI of Plain | Twill | Denim in cloth, polyester taffeta | beautiful silk | Shu Mei Chou | chemical fiber cloth in satin, nylon plain weave in cloth, chiffon | chiffon color | file performance, Polyester and Viscose jacquard woven in cloth, fabric and other senior three acetate.

广州东莞佳俊贸易有限公司是一家专门从事高级服装面辅料加工及销售的专业性公司，主要产品有：亚沙的平纹|斜纹|色丁里布，亚纱的粘胶平纹|斜纹|色丁里布，尼龙亚沙的平纹|斜纹|粗斜纹里布，涤塔夫|美丽绸|舒美绸|化纤色丁里布，尼龙平纹里布，雪纺|双色雪纺|佐绩，涤粘交织提花里布，三醋酸等高级面料。

The obtained activation barrier of β-scission of 1-butene is 217 kJmol^(-1) in the reverse reaction of ethene dimerization.

反应的逆过程也就是1-丁烯在酸性分子筛表面的1-丁基烷氧化合物发生B分裂反应，计算所得相应的l-丁烯B分裂反应的能垒为217kJmol^(-1)，远高于相应的乙烯二聚反应能垒。

Thionyl chloride and bromine were used as raw materials to synthesize α-bromo isobutyric acid chloride which will substitute α-bromo isobutyric acid bromine.

研究了以异丁酸、氯化亚砜和液溴为主原料合成α-溴代异丁酰溴的替代产品———α-溴代异丁酰氯的工艺。

In the second chapter, firstly, the definition of triangular matrix rings Γ, which is of order 3, is introduced.

在第二章中，我们首先引入了三级三角矩阵环Γ的定义，给出了三级三角矩阵环是左阿丁环、右阿丁环、阿丁R-代数的充分必要条件。

The different hexanedichloromethane volumn ratio effection on molecular weight of,molecular weight distribution and weight percent of lowmolecule of polyisobutene by boron trifluoride initiator was studied in this paper by IR and UV.

研究了正己烷—二氯甲烷溶剂配比对BF3引发体系的聚异丁烯分子量及分子量分布、低分子物含量的影响，给出了BF3引发体系聚异丁烯及AlCl3引发体系聚异丁烯的红外光谱及紫外光谱。

Uncured natural rubber is sticky, easily deforms when warm, and is brittle when cold. In this state it cannot be used to make articles with a good level of elasticity .

一般需经过硫化的橡胶品种有丁二烯、氯丁二烯、异戊二烯的1，4-聚合物--顺丁、异戊、氯丁橡胶，以及共聚物丁苯、丁基和丁腈橡胶等。

War, imprisonment, exile--we are seeing in operation, yet once again, the old tactics of the Catholic tyrant: Constantius against St. Athanasius, Constantine IV against St. Martin I, Justinian against Pope Vigilius, Leo III against Gregory II; no repudiation of the spiritual, but violence until the spiritual consent to be an instrument of the tyrant's government.

战争，监禁，流放-我们看到在运作，但再次，旧的战术天主教暴君：康斯坦丘斯对圣亚他那修，君士坦丁四圣马丁对我，对教宗Vigilius查士丁尼，利奥三世对格雷戈里二；没有抵赖的精神，但暴力到精神同意接受的一种手段暴君的政府。

Imino-1, 3-thiazetidines is the basic structure of a kind ofbioactive herbicide and insecticide. Our method has advantage in synthesis highly substituted2-imino-1, 3-thiazetidines, therefore it has practical value to some extent. We also researched the reactions catalyze by active zinc dust.

提供了成四员噻吖丁啶杂环衍生物的方法。2-亚胺基-1，3-噻吖丁啶是一类具有生物活性的除草剂及杀虫剂的核心结构，我们的方法在合成多取代的2-亚胺基-1，3-噻吖丁啶方面有一定的优越性，从而具有一定的实用价值本文另一部分的工作是探讨锌粉催化的反应。

The acetalization and ketalization of various aldehydes and ketones with catechol by using HY zeolite as catalyst were studied.

研究了 HY分子筛催化邻苯二酚与环己酮、丁酮、丙酮、丙醛、丁醛、异丁醛、戊醛、异戊醛、正己醛、正辛醛、苯甲醛、二苯甲酮等十余种醛的缩合反应。

The acetalization and ketalization of various aldehydes and ketones with glycerol by using KHSO4 as catalyst were studied. Effect of reaction time, mole ratio of reactants and amount of catalyst on yield of acetals were investigated.

研究了在KHSO4催化下，丙三醇与环己酮、丁酮、丙酮、丙醛、丁醛、异丁醛、戊醛、异戊醛、正辛醛、二苯甲酮、苯甲醛等十余种醛的缩合反应。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。