查询词典 bromine

2AN oxygen radicle benzene Mao water solution reaction process in, the hydrogen bromine is sour with acetic acid Mo Er compare for 1:be tetrahydroxy and 2 mols at 1:00|weigh to crystallize in the L hydrochloric acid aqua, the product accepts to lead superior turn

甲氧基苯醌水解反应过程中，当氢溴酸与醋酸摩尔比为1：1时，四羟基苯醌与2mol/L的盐酸溶液中重结晶产品收率最佳

The bromine value of petroleum products was determined by potential titration in mixed solvents of glacial acetic acid,trichloromethane,methanoland sulfuric acid,this method was compared with indicator titration,the experimental results show the method relative standard deviation is smaller.

以冰醋酸、三氯甲烷、甲醇和1：5的硫酸(体积比为714：134：134：18)作为滴定溶剂，采用电位滴定法测定石油产品的溴值，并与指示剂滴定法进行对比。

My friend ever had told me, in them the school has histology of a chemical teacher to be born when moving a lab, one student asperses a bottle of big bromine in corridor, immediately whole corridor is being enveloped by " of " Huang Wu, teacher, student hurriedly become separated in flight, unmanned processing, connect a few the the simplest, basiccest methods, be like

我的一位朋友曾告诉过我，在他们学校有一位化学教师组织学生搬实验室时，一学生把一大瓶溴洒在楼道，顿时整个楼道被&黄雾&笼罩着，教师、学生慌忙逃散，无人处理，就连一些最简单、最基本的方法，如

One subject of the present work relates to a green chemistry synthesis of tetrabromobisphenol A wherein the combination of sodium bromide and sodium bromated as brominating agent which completely replaces conventional liquid bromine.

据文献报道，该产品在某些阻燃材料中将是十溴二苯醚的理想替代品之一，目前，仅有国外公司在销售该种产品，我国还没有实现真正的工业化生产，所以研制开发溴化环氧树脂阻燃剂具有重要意义，本文研究工作主要包括三方面的内容。

Companies to take advantage of the local rich brine resources, focus on the development of brominated flame retardants and pharmaceutical intermediates, such as deep-processing industry bromine.

公司充分利用当地丰富的卤水资源优势，重点发展溴系阻燃剂和医药中间体等溴素深加工产业。

Alkanes can be chlorinated or brominated by treatment with chlorine or bromine in the presence of visible or uv light.

烷在可见光或紫外光照射下，用氯或溴处理才能氯化或溴化。

A new oscillographic potentiometric kinetic method for determining super trace aromatic amine was developed, based on the brominating reaction of aromatic amine and bromine.

将动力学分析法与示波电位法相结合，利用KBrO3与KBr的反歧化反应和溴代反应体系，提出了测定痕量芳胺的新方法。

The results showed that colorless transparent solvent oil or gasoline blending stock of high-octane value can be obtained by hydrogenating of cracking C9. Bromine value of this product was 714.3 mgBr/100g.

实验表明，裂解碳九通过加氢得到了溴价为714.3 mgBr/100g的无色透明的溶剂油或高辛烷值汽油调和原料。

The large amount of tin and antimony in the sample can be volatilized after dissolved in the saturated solution with hydrochloric acid and bromine .

试样中大量锡、锑以盐酸溴饱和溶液溶解挥发除去，在凝聚剂硝酸锶存在下，铅离子与k2Cr2O7标准溶液在PH3～4以PbCrO4快速形成沉淀析出[1]。

The independent participation topic is:××× craftresearch and experimental enlargement;×××× slightly tries tostudy, the Uygur storehouse bromine ammonium is at the newspaperproduction base,×××× also makes a connection slightly tries thecraft.

独立参与的课题是：×××工艺研究及中试放大；××××的小试研究，维库溴铵处于报生产阶段，××××也打通小试工艺。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。