bromide

In this process NBS was Instead of thionyl bromide as a Bromide reagents.

其中使用NBS代替亚硫酰溴作为溴代试剂。

The salts used are sodium chloride, sodium acetate, sodium n-butyrate, sodium benzoate, sodium benzene sulphonate, tetramethylammonium bromide, tetraethylammonium bromide, and piperidine hydrochloride, most of which possess one kind of large ion.

所用的盐有氯化钠、乙酸钠、丁酸钠、苯甲酸纳、苯磺酸钠、溴化四甲基铵、溴化四乙基铵和六氢呲啶盐酸盐。

The addition of hydrogen bromide involves the attachment of an anionic nucleophile in the final step.

溴化氢加成的最后一步,是负离子亲核试剂的附加.

Using alcohol as starting material, double octyl quaternary ammonium bromide was obtained. It's yield reached 80 %.

以脂肪醇为原料, 合成了双辛基季铵溴盐,其产率达80%.

The thermodynamic chart of lithium bromide solution have been introduced in this paper. The application of Duhring Chart in series and parallel flow lithium bromide absorption chiller design was also illustrated.

简要叙述了溴化锂溶液的热力图表及迪林曲线图在溴化锂吸收式制冷机的串联流程和并联流程设计中的应用。

Washburn method is applied to investigate the different effect of molecular deposition filming flooding a-gent ( MDFFA), tetraethyl ammonium bromide [ ( Et) 4NB] and hexadecyl trimethyl ammonium bromide ( CTAB) on the wettability of oil reservoir minerals.

用Washburn法对比了单分子双季铵盐MD膜驱剂、四乙基溴化铵[（Et）4NB]和十六烷基三甲基溴化铵（CTAB）对油藏矿物润湿性的影响。

The polymerization of methyl methacrylate by copper ( I) t-butoxide with n-butyl chloride, n-butyl bromide, t-butyl chloride and t-butyl bromide is studied.

研究了叔丁醇亚铜为催化剂、四种卤代烃（正丁基氯、正丁基溴、叔丁基氯、叔丁基溴）为引发剂的甲基丙烯酸甲酯的聚合反应。

Molten lead ( II ) bromide contains mobile ions which conduct electricity.

熔融的溴化铅 ( II ) 具有游动离子,帮助传电.

Methods Prepare pneumococcus type 1 conjugate vaccine by cyanogen bromide activation and amine reduction immunological characteristics.

结论采用溴化氰活化法制备1型肺炎球菌荚膜多糖-蛋白结合疫苗优于胺还原法.

The results showed that zeolite modified by hexadecyl trimethyl-ammonium bromide ( HTAB ) has higher adsorptive ability.

研究结果表明:用十六烷基三甲基溴化铵 ( HTAB ) 改性沸石可增强吸附性能.

The molluscacidal medicated additive is bromoacetyl bromide or niclosamide.

所述的灭螺药物添加剂为溴乙酰胺或氯硝柳胺.

There are two treatment options, heat treatment or fumigation with methyl bromide.

有两种处理选择:热处理或者甲基溴熏蒸.

Less 3 years sales experience Heating Ventilation and Air-Conditioning field specifically selling Lithium Bromide Absorption chillers.

3年以上溴化锂吸收式 空调设备 领域销售经验.

Purpose: Lithium bromide is a kind of effective vapor absorbent and atmosphere humidity regulator.

用途: 溴化锂是一种高效水蒸气吸收剂和空气湿度调节剂.

Using the program for triple effect lithium bromide absorption refrigeration thermodynamic calculating which developed by our research group, we studied a type of cycle named of counter series connection TC lithium bromide absorption refrigeration cycle.

根据本课题组人员完成的三效溴化锂吸收式制冷循环计算程序，对一种逆串联式三效循环进行了热力计算分析。

The method of determination methyl bromide in fumigation progress was developed by GC 5000 A.

探讨了气相色谱法测定熏蒸处理过程中溴甲烷浓度的检测方法.

The falling film generator is applied in the lithium bromide absorption chiller and heat pump.

降膜式发生器在溴化锂吸收式制冷机与热泵中得到了一定的应用.

The oxybromination of anisole was investigated with sodium bromide as bromo source and oxygen as oxidant.

以溴化钠为溴源,氧气为氧化剂进行的苯甲醚的催化氧化溴代反应.

In the presence of the phase transfer catalysts such as tetramethylammonium bromide, tetraethylammonium bromide or polyethylene glycol ( MW 400 and 6,000), lithium hydroxide is the best alkali among lithium hydroxide, sodium hydroxide and potassium hydroxide.

研究表明在溴化四甲基铵、溴化四乙基铵、聚乙二醇（分子量为6000）和聚乙二醇（分子量为400）相转移催化体系中，氢氧化锂最好，氢氧化钾次之，氢氧化钠最次。

They also pointedthat farmers throughout the world were already using innovative alternatives to methyl bromide.

他们同时也指出,全世界范围内的农民们已经使用改良过的甲基溴化物了.

Using ethidium bromide ( EB ) as a fluorescent probe, the binding of PB with DNA was studied.

以溴化乙锭作为与DNA结合的荧光探针, 考察PB对其结合体系的影响.

Operation control and maintenance of lithium bromide absorption refrigerator were introduced.

阐述了溴化锂吸收式制冷机的运行管理与维护.

The polycondensated resins have lighter color, the free phenol, compound bromide and alkalinity are lower.

制得的多元共缩聚树脂具有颜色浅 、 游离酚和可被溴化物含量低、碱性低等优点.

The present invention relates to alcoholated tiotropium bromide crystal and its preparation process and medicine composition.

本发明涉及一种乙醇化噻托溴铵结晶及其制备方法和药物组合物.

By adding various dyes to the silver bromide it can be made additionally sensitive green light.

溴化银加入各种化学增感剂后,又可使其感受染色光.

After the revampings, the lithium bromide refrigerator served the production more stably and reasonably.

经过改造,使溴化锂制冷机更加稳定、合理地服务于生产.

N-Butyl benzoate was synthesized with sodium benzoate and n-butyl bromide as starting materials through nucleophilic substitution reaction in the presence of catalyst of tetrabutyl ammonium bromide under microwave irradiation.

研究了在四丁基溴化铵催化下，采用微波辐射由苯甲酸钠和溴代正丁烷发生亲核取代反应合成苯甲酸正丁酯。

Hexadecyl octyl dimethyl ammonium bromide and hexadecyl decyl dimethyl ammonitim bromide were synthesized.

合成了十六烷基辛基二甲基溴化铵和十六烷基癸基二甲基溴化铵两个新型杀生剂.

A new technology for preparation of Ethoprophos Diethyl Dithiophosphoric acid , Propance Bromide and Dimethylamine was introduced.

介绍了以硫磷酸为原料,与溴丙烷、二甲胺反应合成丙线磷的新工艺.

Analyses the source of non-condensable gas and its bad impact on Lithium Bromide absorption chillers.

分析了机组不凝性气体的来源,并阐述其对机组的不利影响.