甲苯

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

采用电位滴法测电合成产中的醛和酸,研究了盐酸羟胺用量、醇和含量对测的影响。

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

自制的高熔点料气相浓度调控仪能很好地调控气相中均四的浓度，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、、、二硫化碳、二氯乙烷，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.

详细讨论了二氯异构体精馏塔系统的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.

一硝基是生产种精细化工产品生产的中间体,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.

方法采用巴豆油引起的家兔声带炎症模型和二引起的小鼠耳炎症模型,观察CPI局部涂抹给药的抗炎作用。

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，以含液晶基元的联二胺（或联邻胺）、1，6-己二胺、2，4-二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.

二是一种石化产品，用来制造精对二酸，原料生产聚酯薄膜，包装树脂和。

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

的探讨氨酸(AMBA)在心肺转流(CPB)中对血小板的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.

主要介绍了四种二氯醛的合成工艺路线,并比较利弊,阐述了对磺酰氯氯化水解法的优越性。

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、、二及混合作业工人的健康状况调查结果。

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.

国内前生产工艺是间二的磺化碱熔法,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.

二异氰酸酯(TDI)是异氰酸酯化合中应用最广泛的品种之一,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),成功地测了邻、对磺酰胺的异构体分布,并用紫外光谱法(UV)作为对照的方法进行比较。

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

采用纤维素与过量的氯乙烷及氢氧化钠反应,以为稀释剂,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、酸、二基亚砜(DMSO)的溶液中催化重排合成柠檬醛，考察了柠檬醛在不同体系中的热敏性。

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

制备了两种不同的含氮高分子-钯络合，并研究了它们对对硝基的催化活性。

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.

间氟是一个重要的医药工业中间体,在医药、农药、染料和氟塑料等领域都有广泛的应用。

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的酰化反应的影响。

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一段硝化产的邻对异构体比例、二硝化程度及2,6-二硝基与2,4-二硝基生成比例的影响。