查询词典 benzene

Results:The results indicated that the recovery rates of benzene in mineral water,soda drink,fruit juice,and almond milk were 97.57%,77.75%,86.82%,and 30.01% by headspace-extraction,respectively.

在食品工业中，苯是不允许用作食品添加剂，但由于各种污染源的存在，目前已有在饮料中检出了苯残留的报道[1]。

Amber to brown solid, Relative density 1.05, soften point min 80.0'C, Soluble in chloroform , benzene, acetone, CS2, difficult soluble in petroleum hydrocarbon, insoluble water.

琥珀或棕色颗粒。相对密度1.05，软化点80℃以上。溶于氯仿、苯、丙酮、二硫化碳，微溶于石油烃，不溶于水。

Static adsorption experiments were carried out to investigate the adsorption of sodium dodecyl benzene sulfonate and cetyltrimethyl ammonium bromide on soils, and to analyze the effect of surfactants on sorption of diesel oil.

通过静态吸附实验，研究土壤对十二烷基苯磺酸钠和十六烷基三甲基溴化铵的吸附行为，探讨表面活性剂对柴油吸附的影响。

The synthesis of aniline from benzene and hydroxylamine hydrochloride in acetic acid–water media under mild conditions was also studied. Using NaVO3 as the catalyst, its catalytic performance in the amination was investigated in detail.

本文还采用盐酸羟胺为胺化剂，考察了温和条件下醋酸-水介质中苯与盐酸羟胺合成苯胺的反应。

The 60% H 2 SO 4 is used to produce ammonium sulfate and fertilizer, reducing the production cost. After counteracting with alkali to keep pH Value to be 6.5 ～ 7, the acid tar is conjugated in proportion with anthracene oil and heavy benzene to mixed oil or fuel oil.

稀硫酸用于硫铵和普肥生产以降低生产成本；酸焦油与碱中和 pH 值达到 6.5 ～ 7 后，与蒽油或重苯按一定比例配成混合油和燃料油。

Is an operating coal tar, fuel oil, hydraulic oil, lubricating oil, anthracene oil, wash oil, benzene, naphthalene, asphalt, steel, timber, rubber, metal tools, and other daily necessities, daily sundries, health supplies, electronics, instrumentation and spare parts, electric machinery and equipment trade-type joint-stock cooperative system company.

邢台三翰商贸有限公司是一家经营煤焦油、燃料油、液压油、润滑油、蒽油、洗油、苯、萘、沥青、钢材、木材、橡胶、五金工具、其他日用品、日用杂货、卫生用品、电子产品、仪器仪表及零配件、电气机械及器材的贸易型股份合作制公司。

Main business: coal, Metallurgical coke, Bituminous coal, Coking benzene, Fuel oil, Mixed Oil, Refined Naphthalene , washed oil, Anthracene oil etc. GB products.

主营：煤炭、冶金焦、煤焦油、煤沥青、焦化苯、燃料油、混合油、精萘、工业萘、硫酸铵、粗苯、洗油、蒽油等国标产品。

Lu Po new energy group premium coal, a metallurgical coke, raw benzene, tar quality chemical products anthracene oil, naphtha, wash oil, industrial naphthalene, in the warm asphalt, etc.

潞宝新能源集团的特级精煤、一级冶金焦、粗苯、优质焦油化工产品（蒽油、轻油、洗油、工业萘、中温沥青等）、优质甲醇等十几种产品畅销全国；冶金焦成功进入美国市场，中温沥青出口印度。

IV . Content and Capacity: 2,400,000t/a stamping coke, 30,0000 t/a coal tar, 10,0000 t/a methanol, 10,0000 t/a phenol anhydride, 5,0000 t/a Needle coke, 10,0000 t/a Hydrogenation of anthracene oil, 10,0000 t/a Hydrogenation of Crude benzene, 2,0000t/a β-naphthol, 1,0000t/a 2-hydroxy-3-naphthaoic acid , 2,0000t/a UHP ultra-high power electrode.

四、项目建设内容及规模：240万吨/年捣固焦炉及化产回收、30万吨/年焦油、10万吨/年甲醇、10万吨/年苯酐、5万吨/年针状焦、10万吨/年蒽油加氢、10万吨/年粗笨加氢、2万吨/年二萘酚、1万吨/年2.3酸、2万吨/年 UHP 超高功率电极。

Main business: coal, Metallurgical coke, Bituminous coal, Coking benzene, Fuel oil, Mixed Oil, Refined Naphthalene , washed oil, Anthracene oil etc. GB products.

主营：煤炭、冶金焦、煤焦油、中温沥青、改质沥青、焦化苯、混合苯、燃料油、混合油、精萘、工业萘、硫酸铵、粗苯、洗油、蒽油等国标产品。

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。