查询词典 benzene

The results showed that Kaidimycin was chemically neutral, macrocylic polylactones, stable and liable to dissolve into water and pyridine, slight to dissolve into methanol, ethanol and N-butanol, difficult to dissolve into ethyl acetate, acetone, benzene and chloroform. Chemical reaction of functional group of Kaidimycin showed that it had glycoside, amino acid and aldehyde, no reducing sugar, polypeptide and phenol.

凯地菌素属中等极性的、中性抗生素，极性纸层析结果与多烯类抗生素的纸层析结果相似：易溶于水、吡啶，微溶于甲醇、乙醇、正丁醇，不溶于乙酸乙酯、丙酮、苯、三氯化碳；对高温、光照和紫外处理有很好的稳定性；官能团反应试验结果发现，凯地菌素可能含有糖苷键、氨基酸伯氨基和醛基，不含有还原糖、多肽和酚基，高锰酸钾、浓硫酸反应与多烯大环内酯类抗生素的特性相似；并且依据纯品，采用生物法和分光光度法对摇床发酵液进行了效价的测定。

Compared the extraction effects of yellow pigment from the corn protein powder by 95 %ethanol,isopropanol,chloroform,acetone,ac-Etylace,petroleum benzene,distilled water.

利用索氏提取法比较95%乙醇、异丙醇、氯仿、丙酮、乙酸乙酯、石油醚和蒸馏水提取玉米粗蛋白粉黄色素的效果，结果发现95%乙醇为最佳溶剂，95%乙醇提取液λmax为446nm。

The synthesized polyimide membrane showed good nanofiltration performance for organic mixtures of lubricant oil with acetone and benzene solvents.

操作压力为2 MPa下稳态操作时，该膜对酮苯脱蜡工艺后的溶剂与润滑油基础油混合物的截留率达66％，通量为4.26 L/（m2·h），为有机溶剂体系的纳滤膜分离技术的工业应用提供了基础。

As an azo-dyes, Sudan Ⅲ do not dissolve in water, slightly soluble in ethanol, soluble in chloroform, oils and fats, mineral oil, acetone and benzene and so on. It is difficult biodegradable and volatile organic compound.

苏丹Ⅲ作为一种偶氮染料不溶于水，微溶于乙醇，易溶于氯仿、油脂、矿物油、丙酮和苯等，属于难挥发、难生物降解性有机物。

The synthesis of alkylcyclohexylbenzoic acid: take the synthesis of ethylcyclohexylbenzoic acid as a typical example. With the AlCl3 as the catalyst, cis+trans acetylcyclohexylbenzene is synthesized from the reaction of acetyl chloride, cyclohexene and benzene.

烷基环己基苯甲酸的合成研究：主要研究了乙基环己基苯甲酸的合成，以乙酰氯、环己烯、苯为原料，三氯化铝为催化剂，合成乙酰基环己基苯，用水合肼、氢氧化钾、一缩二乙二醇经过高温加热还原羰基(Wolff-黄鸣龙还原)，将所得到的乙基环己基苯用乙酰氯进行傅克酰基化得到乙基环己基苯乙酮，所得中间体经过处理之后直接得到反式产物，将反式异构体的乙酰基氧化得到反式烷基环己基苯甲酸。

Commercially available and effective drugs are Parazan D (3) Elbarju (2)(the active ingredient as benzene furan acid sodium) Green F Gold (1) and other antimicrobial agents.

有效的市售药品有Parazan D（3）、Elbarju（2）（有效成分为呋喃苯烯酸钠）、Green F Gold（1）等抗菌药。

The coupling reactions of Suzuki between the transitional metal-catalyzed phenylo boric acid and benzene halide and the Suzuki-Type between phenylo boric acid and carboxylic acid derivatives are two kinds of important reactions in constructing C-C bond.

过渡金属催化的苯硼酸与卤代苯之间的Suzuki和与羧酸衍生物之间的Suzuki-Type偶联反应是构建C-C健的两种重要反应。

Today started construction of a four items are: cyclohexanone 100,000 tons, 100,000 tons of refined crude benzene, 200,000 tons and 50,000 tons sulfuric acid amino acid and ancillary works, and other supporting projects will also be at full capacity next spring construction.

今天开始的四个项目的建设有：环己酮10万吨，10万精制粗苯，20万吨和5万吨硫酸氨基酸吨及附属工程，以及其他配套工程也将在满负荷将于明年春天建设。

Generally speaking, the pot of Chlorophytum able to absorb one cubic meter of air in 96% of carbon monoxide and 86% formaldehyde, but also photocopiers and other emissions from the decomposition of benzene, which can not be substituted by other plants.

一般而言，一盆吊兰能够吸收一立方米空气中96%的一氧化碳和86%的甲醛，还能分解由复印机等排放的苯，这是其他植物所不能替代的。

Acetate Substitution, A benzene solution (10 mL, 20% w/v) of alkyl halide also containing 0.5 g of PEG or tergitol was added to 1.5 g of solid, dry potassium acetate and the resulting suspension heated to reflux.

醋酸换人，苯液（ 10毫升， 20 ％瓦/五）烷基卤化物还含0.5 g的聚乙二醇或tergitol添加以1.5克的固体，干燥醋酸钾和由此产生的悬浮加热回流。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新