溴

A nonpersistent chemical,C4H7O4PBr2Cl2,used for mosquito control and as an insecticide against crop pests.

二溴磷一种非永久性化学药品，C4H7O4PBr2Cl2，用来抑制蚊子并作为杀死农作物害虫的一种杀虫剂

Microemulsion templates formed by sodium dodecyl sulfate, cetyltrimethyla-mmonium bromide and nonyl phenol polyethyleneoxy ether (Oπ-10),respectively,were used to fabricate CaWO4 nanoparticles with different morphology. The possible reactionmechanism was proposed and explained.

然后，分别利用十六烷基三甲基溴化胺、十二烷基硫酸钠、壬基-酚基-聚乙氧基醚(Oπ-10)形成的微乳液模板合成了具有多种形貌的CaWO4纳米粒子，并对其反应机理提出推测和解释。

In this article, different soft templates formed by sodium bis (2-ethylhexyl) sulf-osuccinate, nonyl phenol polyethyleneoxy ether (Oπ-10) and cetyltrimethyla- mmonium bromide were used to fabricate CaCO3, BaCO3 and CeO2/CuO nanoparticles with different morphology.

本文分别利用丁二酸二(2-乙基己基)酯磺酸钠、壬基-酚基-聚乙氧基醚（Op-10）和十六烷基三甲基溴化胺形成的不同软模板合成了具有不同形貌的CaCO3， BaCO3和CeO2/CuO纳米粒子。

At the same time, in other areas of the world, the technological advancement of poisons was expanding, and in the Arab nations, some had succeeded in making arsenic transparent, odourless and tasteless when applied to a drink, a method which would allow poison murderers to remain undetected for at least one millennium.

16同时，在世界的其他地区，毒药技术取得了越来越大的进步。在阿拉伯国家，有人成功制造出了砒霜，把它投到饮品中，仍然是透明、无溴、无味的。因为这样，使用毒药的谋杀犯在1000年内无法被查出。

The stability and the distribution of vitamin C in aqueous systems of cetyltrime-thylammonium bromide and sodium oleate were studied.

研究了维生素C在表面活性剂十六烷基三甲基溴化铵和油酸钠体系中的稳定性及其在双水相中的分配规律。

Determination of dissolved fluoride, chloride, nitrite, orthophosphate, bromide, nitrate and sulfate ions, using liquid chromatography of ions.

液态离子色谱法测定溶解的氟化物、氯化物、亚硝酸盐、亚磷酸盐、溴化物、硝酸盐和硫酸离子。

The oxidizer is oxyacid of chlorine, bromine and iodine and salts thereof, and peroxide.

所述的氧化剂是指：氯、溴、碘的含氧酸及其盐类与过氧化氢。

Whenpyridine was used as reductive decomposing agent, the expecting cholest-4-en-3,6-dione-22-al was obtained. However, when Zn/HOAc was used to decomposethe ozonide, C-4,5 double bond was further reduced to give cholest-3,6-dione-22-al as main product. 2 For the side-chain construction of compound (1), the solid-liquid phase-transfer Wittig reaction was used. When (3-methyl-2-oxobutyl)-triphenylarsonium bromide was used as reagent, the reaction can be carried out inmild reaction condition and the yield is higher than that when phosphorane wasused.

但使用Zn／HOAc作为分解剂时，却得到其氢化产物胆甾-3， 6-二酮-22-醛；2在甾体支链引入过程中，采用固-液相转移Wittig反应的方法，用(3-甲基)-2-氧丁基三苯基溴化胂作为试剂，反应在非常温和的条件下便可完成，而且产率比传统采用膦烷的方法更高；3在对某些甾酮化合物的选择性还原反应研究时，发现在〓还原体系中，当加入某些金属离子后，反应有更好的区域选择性和立体选择性。

Results: The individual scores of Pancreatin Capsules combined with Pinaveri...

联用胰酶胶囊与匹维溴铵治疗慢性小肠性腹泻提供了一条有效，安全，无明显副反应的有效方法。

In experimental research, the S-L-E of three groups of isomers was determined by using differential scanning calorimetry , and more than two hundred reliable data were obtained. The isomers include meta-, ortho-, and paradichlorobenzene, meta-, ortho-, and para-dibromobenzene and meta-, ortho-, and para-nitro-benzoic acid.

在实验的研究中，采用差式扫描量热测定了邻、间、对二氯苯，邻、间、对二溴苯及邻、间、对硝基苯甲酸等三组同分异构体物系的固液相平衡关系，共得到二百多个可靠的数据。

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