甲苯

A simultaneously potentiometric titration method for determining benzaldehyde and benzoic acid in electrosynthesis products was reported.

采用电位滴定法测定苯电合成产物中苯醛和苯酸,研究了盐酸羟胺用量、苯醇和苯含量对测定影响。

The vapor phase concentration of durene could be adjusted by the self-made adjustor.

自制高熔点物料气相浓度调控仪能很好地调控气相中均四苯浓度，具有推广应用价值。

No osmyl and no taste.Soluble in Benzene,Acetone,C2H4Cl2,CS2,toluene,party soluble in alcohol,diethyl ether,insoluble in water,gasoline.

溶于丙酮、苯、苯、硫化碳、乙烷，微溶于乙醇和乙醚，不易溶于水和汽油。

The distillation system design of isomeric dichlorotoluene and its production process are given in detail in this paper.

详细讨论了苯异构体精馏塔系统工程设计与生产过程。

There are lots of phenolic byproducts in the production of mononitrotoluene,which have high toxicity and are difficult to be treated.

一硝基苯是生产种精细化工产品生产中间体,工业用途广泛。

METHOD The chorditis vocalis in rabbits were caused with croton oil and the ear swell ing in mice with dimethylbenzene.

方法采用巴豆油引兔声带炎症模型和苯引小鼠耳炎症模型,观察CPI局部涂抹给药抗炎作用。

Two series of thermotropic liquid crystalline polyureas were synthesized by the copolymerization of benzidine (or o-tolidine),1,6-hexane diamine and 2,4-toluene diisocyanate.

为合成新型热致液晶聚脲，以含液晶基元联苯胺（或联邻苯胺）、1，6-己胺、2，4-苯异氰酸酯为原料进行合成。

Paraxylene is a petrochemical used to make purified terephthalic acid, a raw material for producing polyester film, packaging resin and fabrics.

苯是一种石化产品，用来制造精对苯酸，原料生产聚酯薄膜，包装树脂和织物。

Objective To study the protective effect of aminomethyl benzoic acid (AMBA) on platelet during cardiopulmonary bypass (CPB) and its clinical application.

目探讨氨苯酸(AMBA)在心肺转流(CPB)中对血小板保护作用及其临床意义。

Four kinds of methods to synthesize o-Dichlorobenzaldehyde were introduced. the advantages of hydrolysis methods to reduce p-toluene sulfonyl chloride were discussed.

主要介绍了四种苯醛合成工艺路线,并比较利弊,阐述了对苯磺酰化水解法优越性。

A survey of the health condition of 308 cases of workers exposed to benzene, toluene, xylol and mixed derivatives of benzene is presented.

本文报告了308例苯、苯、苯及混合苯作业工人健康状况调查结果。

Recent method of synthesizing 3,5-xylenol is sulpho alkaline fusion of dimethylbenzene,it is a very complicated procedure with serious pollution and low-pure products.

国内目前生产工艺是间苯磺化碱熔法,该方法工艺过程复杂、污染严重,并且产品纯度不高。

Toluene diisocyanate (TDI) is one of the most useful kinds of isocyanateth that is produced by the method of phosgenation of amine.

苯异氰酸酯(TDI)是异氰酸酯化合物中应用最广泛品种之一,其工业生产主要采用胺光化法。

The isomers dostribution of ortho-and para-toluenesulfonamide are successfully determined by high performance liquidchromatography (HPLC) . The results are compared with ultraviolet-spectroscopy (UV).

本文采用高效液相色谱法(HPLC),成功地测定了邻、对苯磺酰胺异构体分布,并用紫外光谱法(UV)作为对照方法进行比较。

Ethyl cellulose was synthesized successfully in one step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.

采用纤维素与过量乙烷及氢氧化钠反应,以苯为稀释剂,用一步法成功地合成了乙基纤维素。

Citral was synthesized by catalytical rearrangement of dehydrolinalool in toluene solution with the present of molybdenyl acetylacetonate, benzoic acid and dimethyl sulfoxide (DMSO).

摘要采用脱氢芳樟醇为原料，在乙酰丙酮酸钼、苯酸、基亚砜(DMSO)苯溶液中催化重排合成柠檬醛，考察了柠檬醛在不同体系中热敏性。

Two different kinds of palladium complexes of nitrogen containing polymere havebeen prepared and their catalytic actions for p -nitro -methyl benzfene have been invertigeted.

制备了两种不同含氮高分子-钯络合物，并研究了它们对对硝基苯催化活性。

New-model antibiotic, medicine for healing high blood pressure and inflammation can be prepared from m-fluorotoluene, it is also an important intermediate for punchy soporific.

间氟苯是一个重要医药工业中间体,在医药、农药、染料和氟塑料等领域都有广泛应用。

The effects of the catalyst dosage and the preparation conditions of HZ-1 zeolite,for example, number of exchange times on the benzoylation of toluene were studied.

并考察了HZ-1沸石交换次数等制备条件和催化剂用量对苯苯酰化反应影响。

The isomer ratio of o-MNT to p-MNT,the degree of dinitration and the ratio of 2,6-DNT to 2,4-DNT have been investigated in the mononitration product of toluene by mixed acid.

通过改变反应条件,研究了硝硫混酸硝化剂对苯一段硝化产物邻对异构体比例、硝化程度及2,6-硝基苯与2,4-硝基苯生成比例影响。