卤

Understand the basic conceptions on homolysis and heterolysis of covalent bonds, and on the nucleophilic substitution and elimination; Grasp the mechanism and stereochemistry of S N 1 and S N 2 reactions; be capable of judging the stability of carbocations; know the factors that can influence the rates of S N 1 and S N 2 reactions; grasp the elimination reactions of haloalkanes, the mechanism and stereochemistry of E1 and E2 reactions.

了解共价键的均裂和异裂及亲核取代反应的基本概念；掌握 S N 1 和 S N 2 反应机理和立体化学；能够判断正碳离子的稳定性；了解影响 S N 1 和 S N 2 反应速率的因素；掌握卤代烷消除反应， E1 和 E2 反应机理和立体化学。

In a nonaqueous electrolytic secondary battery according to the invention, hexagonal system lithium containing cobalt composite oxide having a crystallite size in a (110) vector direction of 1000 AA or more and having a halogen compound added thereto by burning at time of synthesis is used as a positive electrode active material.

要約 在本发明的非水性电解二次电池中，六方晶系含锂的钴复合氧化物被用作正极活性材料，所述钴复合氧化物在(110)矢量方向的微晶大小为1000埃或更大，并且具有在合成时通过灼烧加入到其中的卤素化合物。

The flame retardant type magnesium hydroxide has been prepared with brine,halide,and magnesium chloride hexahydrate as raw materials by two-step process i.

以卤水、卤块和六水氯化镁为原料，采用两步法即氨水沉淀-水热处理过程制备出氢氧化镁阻燃剂。

Past the kitchen, toilet use antibacterial, cleaning agents, basically trimer cyanuric chloride Department of halogenated compounds, the main components and to hydantoin as an active ingredient of two products.

以往厨房、厕所使用的抗菌、洗净剂，基本上是以氯化三聚异氰系化合物为主成分和以卤化乙内酰脲为有效成分的两种制品。

The reductive coupling of aryl halide s to form the corresponding biaryls was effected with high selectivity in water,using formic hydrazide as a reducing agent in the presence of a catalytic amount of Pd/C.

在Pd/C催化下，以甲酰肼为还原剂，卤代芳烃通过还原偶联反应能高选择性地合成相应的联苯化合物。

The absence of hydrogen iodide salt formation was demonstrated by a negative halogen analysis.

卤素分析负反应表明没有氢碘酸盐的生成。

Since the pH of the haloform reaction mixture is much higher than the pK a of hypochlorous acid (7.53)(6), hypochlorite is the major species present at equilibrium.

因为卤仿反应混合物的pH比次氯酸的pK a要高很多，次氯酸钠是化学平衡中出现的主要物质。

The company also has sales branch, high voltage sodium light branch, illumination research institute, metal halide light branch, lights and lantern branch, light pole branch, ballast branch, trigger branch, illuminating engineering design room and professional illuminating construction team.

下设销售分公司，高压钠灯分厂，照明系统研究所，金属卤化物灯分厂，灯具分厂，灯杆分厂，镇流器分厂，触发器分厂，照明工程设计室，专业化照明施工队。

The potential superiority of indium trihalide in organic synthesis will promote the development of "Green Chemistry".

三卤化铟在有机合成中潜在的优势将推动"绿色化学"的发展。

Manufacture.It keeping inherency quality of Halogenage Butyl Rubber.

任何软化剂、再生剂，有效保持了卤化丁基橡胶的固有特性。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。