Numerous constituents are toxins such as ammonia, benzene, and nicotine.

There are two method to measure the weight ratio of crude benzene.

测定粗苯重量比,有色谱法和蒸馏法两种方法,其中蒸馏法为仲裁方法.

The application of catalytic distillation reactor in benzene alkylation process is presented.

同时介绍了催化蒸馏反应器在苯烷基化工艺中的应用.

Environmental catalytic material of iron nitride nanoparticle was synthesized by Benzene-thermal method.

采用苯热法合成环境催化材料纳米氮化铁.

In benzene or ethyl acetate solution rates increase linearly with methyl methacrylate concentration.

在苯或乙酸乙酯溶液中其衰减速度随甲基丙烯酸甲脂浓度呈直线地增大.

Ferric Chloride alone gives polymer with benzene.

三氧化铁可单独催化苯的聚合.

Resonance theory says that benzene can be represented by two contributors.

共振论认为苯能用两个参与体表示.

The benzene ring is also seen in other compounds.

苯环在其他化合物中也可以看见.

The benzene vaporized and formed a huge cloud of gas.

苯蒸发了，形成了一大团气体。

Pay attention to fire prevention when recirculating and eluting with petroleum benzin.

用石油醚回流洗脱时应注意防火.

Example 2 : Stage of some factory hair-oil fills outfit dissolvent benzine for one car tank car.

事例 2: 某厂发油台为一汽车油槽车充装溶剂汽油.

The aviation fuel that airline place uses basically has aviation benzine and aviation kerosene two kinds.

航空公司所使用的航空燃料主要有航空汽油和航空煤油两类.

Never use volatile fluid such as lacquer thinner , benzine, etc. when cleaning the unit.

切勿使用香蕉水 、 汽油等挥发性液体清洁计算器.

A method of fourth derivative UV spectrophotometric determination of and benzoate in soft beverage was studied.

利用四阶导数光谱法从而不经任何分离手段测定了软饮料中阿斯巴甜和苯甲酸的含量.

HPLC method for the determination of rizatriptan benzoate and its related substances was established.

建立了HPLC法测定苯甲酸利扎曲普坦含量及有关物质.

The antibacterial activity of sesamin was remarkable compared sodium benzoate at the same concentration.

芝麻素的抗菌作用优于同浓度的苯甲酸钠.

Objective To explore the effect of estradiol benzoate on traumatic brain injury ( TBI ).

目的探讨雌激素在颅脑创伤中的作用.

The mechanism of thermal decomposition for calcium benzoate was studied by using TG, DTA, and IR.

用DTA和TG研究了它在氮气气氛中的热分解过程, 并用红外光谱表徵了热分解产物.

However, it was less stable to negative ions, reluctant, vitamin C, sodium benzoate, potassium sorbate, etc.

但在含氧酸根阴离子 、 还原剂 、 维生素C 、 苯甲酸钠 、 山梨酸钾等添加剂中稳定性较差.

The principle and condition of synthesis Isopropyl benzoate with catalyst of ferric chloride was researched.

探讨了氯化铁催化合成苯甲酸异丙酯的反应条件及机理.

Synthesis ofp-nitro-ethyl benzoate with benzene sulfonic acid as catalyst is reported.

以苯磺酸为催化剂,实现了对硝基苯甲酸与乙醇反应合成对硝基苯甲酸乙酯.