toluene

The ability of currently existing toluene.

现在现有toluene的能力.

Many cosmetic companies still use formaldehyde and toluene in their ingredients.

许多化妆品公司仍然在他们的原料中使用甲醛和毒素.

Changes of Hearing Threshold Shift in Guinea Figs after Inhalation of Different Doses of Toluene

豚鼠吸入不同剂量的甲苯引起的听阈偏移

Based on the thermodynamic data, the pyrolysis mechanism of the carbon matrix toluene used for carbon material was studied by dynamic computation using the UB3LYP/ 3-21G method in the Gaussian 98 program package.

在热力学研究的基础上，用UB3LYP/3-21G方法对甲苯热裂解机理进行了动力学研究。

Theoretical study on the structure, spectra and thermodynamic property of 2-( toluene-4-sulfonylamino)-benzoic

2-（甲苯-4-磺酰胺基）-苯甲酸的结构，光谱与热力学性质的理论研究苯磺酰邻氨基苯甲酸

The separation of acetone, ethanol, benzene, chloroform, toluene was performed on a 10 % PEG-20 M Chromosorb-W-AW-DMCS column.

对样品中残留丙酮 、 乙醇 、 苯 、 氯仿 、 甲苯的分离选用10%PEG-20Mchromosorb -W-AW-DMCS 公谱柱.

The synthesis of benzyl chloride by means of catalytic chlorination of toluene has many advantages over thermal and light chlorination.

甲苯催化氯化合成苄基氯比热氯化、光氯化有许多优点。

New Study on the Period of Desorbing Benzene and Toluene with Carbon Bisulfide

苯、甲苯二硫化碳解吸时间新探讨

On the other hand, in the reverse flow catalytic combustion system, the effects of operational parameters such as space velocity, toluene concentration and period duration on the shape of heat waves and the characteristic parameters such as peak temperature, average temperature were investigated.

另一方面，在流向变换催化燃烧反应系统中，系统考察了操作参数（甲苯浓度、空速及切换周期）对热波形状与特征参数（波峰温度、平均温度和移动速度）的影响。

The effect of toluene on ethylation of cellulose was investigated.

本文研究了甲苯在纤维素乙基化过程中的影响。

The synthesis methods of Nipagin Esters Catalyzed by sulfuric acid, p-toluene sulfonic acid, ferric sul-fate hydrate, ferric chloride hexahydrate, aluminium chloride hexahydrate, rare earth compound, solid super acid and heteropoly acid were reviewed.

评述了采用硫酸、甲苯磺酸、合硫酸铁、水合三氯化铁、水合三氯化铝、土化合物、体超强酸和杂多酸等催化剂催化合成对羟基苯甲酸酯的方法。

Acute toluene poisoning through various route absorption& Report of 2 cases

不同侵入途径致急性甲苯中毒2例分析

The two major pollutants, as formaldehyde, toluene and so on.

两者的主要污染物为甲醛 、 甲苯等.

Nail polish contains toxic products like toluene, phenol and xylene.

指甲油中含有有毒物质如甲苯, 苯酚,二甲苯.

Aicohol mutipurpose glycollic hexanl mutipurpose benzene , toluene and xylene.

醇类众用乙醇、异丙醇,苯类众用甲苯、二甲苯.

Non-equilibrium plasma engendered by DC corona discharge was utilized for decomposing toluene.

利用直流高压电晕产生的非平衡等离子体分解甲苯.

The experimental data obtained for the oxidation of toluene represents one of the most extensive data.

因为toluene的氧化表现最广泛的数据之一,实验的数据获得.

The water-borne polyurethane was based on polyester diol and toluene diisocyanate etc.

以聚酯多元醇、甲苯二异氰酸酯为主要原料合成了 水性 聚氨酯乳液.

Has injection hole, flame glimmer, it can dissolve in toluene.

有注射口,剪一小片,点燃, 火焰跳动,燃烧处呈熔融状, 可溶于甲苯.

The accelerant pattern on the bottom of Luke's shoes, various petroleum distillate, including toluene?

鞋底助燃剂的痕迹是一些石油淋馏出液, 包括甲苯?

P-Toluene thio sulfonic acid sodium salt has been synthesized with sodium sulfide and p-toluenesulfonyl chloride as the raw materials.

本文以硫化钠和对甲苯磺酰氯为原料，对对甲苯硫代磺酸钠的合成工艺进行了改进。

The diisocyanates ( crosslinbers ) used have included toluene diisocyarate.

所用的二异氰酸酯 ( 交联剂 ) 包括甲苯二异氰酸酯.

In order to investigate the most suitable medium for the transesterification, tertiary butanol, toluene, hexane, isooctane were tested for lipase-catalyzed transesterification of ethyl ferulate with oleyl alcohol. Hexane has been found to be the optimal organic solvent.

以叔丁醇，甲苯，正己烷和异辛烷四种有机溶剂作为反应介质，考察不同有机溶剂对脂肪酶催化阿魏酸油醇酯转酯反应活性的影响。

These cocktails are either made from reagents or purchased in concentrated form and diluted with toluene.

这些混合液或是由试剂配制的或是买来的用甲苯稀释的浓缩剂.

Influence of some parameters on the ethylation of toluene over modified zeolites

改质沸石上甲苯乙基化过程中若干影响因素的考察

Thermometers are filled with fluids such as toluene or alcohol.

温度计装有甲苯或酒精.

The diisocyanates used have included toluene diisocyarate.

所用的二异氰酸酯包括甲苯二异氰酸酯.

Study on Nitration of Hexamethylenetetramine and Toluene in Presence of Br(?) nsted Acidic Ionic Liquids

Br（？）nsted酸性离子液体存在下乌洛托品和甲苯的硝化反应研究

RESEARCH FOR COMPLEXING UO_2~ (++) IN SEAWATER ON SEVERAL NEW CHAIN QUINOLYL CROWN ETHERS Determination of Toluene and Xylene using a Piezoelectric Crystal Sensor Coated with Crown Ethers

若干新型含喹啉开链冠醚对海水中铀酰离子络合作用的研究冠醚涂层压电石英晶体传感器对甲苯、二甲苯的检测研究

Then 2-ethylhexyl p-methoxy cinnamate was synthesized by esterification under microwave irradiation with p-toluene sulphonic acid as catalyst, while microwave power was 320~ 400W and time of irradiation was 40 min, the yield was 85%.

再以对甲苯磺酸为催化剂，用微波辐射技术，经酯化反应得对甲氧基肉桂酸2-乙基己酯，微波功率320W～400W，辐射40min，产率为85%。