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ASTM D2710-99 Standard Test Method for Bromine Index of Petroleum Hydrocarbons by Electrometric Titration.

电化学滴定法对石油烃溴指数的测试方法。

ASTM D1159-01 Standard Test Method for Bromine Numbers of Petroleum Distillates and Commercial Aliphatic Olefins by Electrometric Titration.

电化学滴定法测量石油馏分及商用脂族烯烃的溴值试验方法。

The surface tension and emulsifiability of cetyltrimethylammonium bromide,sodium dodecyl sulfate and their equimolar mixture were determined at different temperatures.

测定了十六烷基三甲基溴化铵，十二烷基硫酸钠及它们等摩尔复配体系在不同温度下的表面张力及乳化性能。

A better understanding of the role of PPAR in insulin action system will be critical in developing more efficacious and safe agent s that act on PPAR and benefit patients with type 2 diabetes. The main content is followed: Synthesis and analysis of 1,3-dicarbonyl compounds. Make use of easily available cheap reagent such as 2-naphthol, 6-hydroxyquinoline, 1,2-dibromoethane, 4- hydroxybenzaldehyde, dimethyl malonate, 2-{4- [(2-napthoxy)ethoxyl] benzyl} malonates and 2-{4 [(1,2,3,4-tetrahydro-6 -quinolinoxy)ethoxyl] benzyl } malonates were synthesized through 6-8 steps in virtue of Williamson, Knoevenagel reaction, Pd/C catalyzed hydrogenation with mild conditions and high yield. The total yield of 40-50%.

本论文的主要内容和研究结果如下： 1，3-二羰基类化合物的合成及分析，采用2-萘酚、6-羟基喹啉、1 ，2二溴乙烷、对羟基苯甲醛、丙二酸二甲酯等常见易得试剂，利用Williamson反应、Knoevenagel反应、钯碳加氢等条件温和且收率高的方法，分别合成了2-{4- [(2-萘氧)乙氧基]苄基}丙二酸衍生物和2-{4 [(1，2，3，4-四氢-6-喹啉氧基)乙氧基]苄基}丙二酸衍生物两个系列8个化合物，经6-8步反应，总收率为40-50%，具有一定绿色化学特性。

The major works are as follows: 1 Preparation of ethyl 2-bromopropionate.

论文主要进行了如下工作： 1 2-溴代丙酸乙酯的制备。

The poly with p-aminophenyl-ethynyl as a side-group was synthesized through Pd-catalyzed Sonogashira coupling reaction between 4-[(2,5-dibromophenyl)ethynyl] aniline and 1,4-diethynyl-2,5-bis benzene.

通过单体4-[(2，5-二溴苯)乙炔基]苯胺和1，4-二乙炔基-2，5-二戊氧基苯之间的Sonogashira偶合反应合成了带有p-氨基苯乙炔基共轭侧基的聚对苯撑乙炔。

An empty expansion slot allows you to add up to 512 MB of additional SDTM or MMCTM memory.

空洞扩展槽让你加起来512甲基溴额外sdtm或mmctm记忆。

The mark gene expression in the veins was studied with X-Gal stain and activities of β-galactase were measured.

经X-Gal(5-溴-4-氯-3-吲哚-D-半乳糖苷)染色检测静脉中标记基因的表达，测定β-半乳糖酶的活性。

Dibromoaniline is an important organic intermediate for synthesis of pharmaceuticals , alkaloid and ferromagnetics.

2 ，6 二溴苯胺是重要的有机合成中间体，可用于合成医药、生物碱和铁磁体等。

Once we get the authentication from China government and put them into production, they will become a new flashing point of our business and help Fukang obtaining further development.

主要从事原料药、医药中间体、溴化物、热敏染料四大系列五十多个产品的开发、生产和销售。主导产品原料药TMP年生产能力达到1600吨，占国内市场份额的80%，占全球总产量的55%。

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