查询词典 tetrachloromethane

Methods: The twelve volatile halogenated hydrocarbons (1, 1-dichloroethene, dicloromethane, trans-1, 2-dichloroethene, cis-1, 2-dichloroethene, chloroform-1, 1, 1-trichloroethane-1, 2-dichloroethane, tetrachloromethane, bromodichloromethane, dibromochloromethane, tetrachloroentene and bromoform) in drinking water were determined by headspace capillary gas chromatography.

采用顶空毛细管柱气相色谱法测定饮用水中1，1-二氯乙烯、二氯甲烷、反－1，2-二氯乙烯、顺－1，2-二氯乙烯、三氯甲烷、1，1，1-三氯乙烷、1，2-二氯乙烷、四氯化碳、一溴二氯甲烷、二溴一氯甲烷、四氯乙烯及三溴甲烷等12种挥发性卤代有机物。

The experiment showed that calcium carbide residue appeared not only neutralization but also flocculation, meanwhile, the Fe ~(2+) and Fe~(3+) from zero-valent iron reduction formed hydroxid to flocculate and furtherly remove 80% chloroform and 10%tetrachloromethane respectively.

在优化的实验条件下，对还原处理的出水用电石渣进一步处理，废水水中的铁离子产生絮凝作用，三氯甲烷和四氯化碳的去除率分别达到80%和10%。

Project Contents: Methane chloridate is a kind of chemical product including monochloro methane, dichloro methane, trifluoro methane, tetrachloromethane. It is an important chemical material and solvent.

建设内容：甲烷氯化物是一氯甲烷、二氯甲烷、三氯甲烷、四氯化碳四种甲烷氯化物的总称，是主要的化工原料和溶剂。

Methane chloridate is a kind of chemical product including monochloro methane, dichloro methane, trifluoro methane, tetrachloromethane.

项目内容：甲烷氯化物是包括一氯甲烷、二氯甲烷、三氯甲烷、四氯化碳四种C1氯烃氯产品的总称，是氯碱工业后加工的一个重要有机耗氯产品。

The model solvents included ethanol,acetone,ethyl acetate and tetrachloromethane.And 1-hexyl-3-methylimidazolium bromide and 1-hexyl-3-methylimidazolium fluoroborate were used as the model RTIL.

结果表明，两种离子液体吸收乙醇或丙酮后，它们的电导率和介电常数显著增加，而四氯化碳对两种液体的电学阻抗特性影响较小。

Zeta potential was -44.23 millivolt. Viscosity was 1.83 mpa. All of which were coincided with physical desire. In addition, the tests of PHGF liposomes including irritation, hemolysis, pyrogen, anomaly toxicity and hypersensibility, proved that the preparation reached the standard of intravenous injection entirely. Taking glutamic pyruvic transaminase and malondialdehyde in mice as index, studies on pharmacodynamics after hepatic injure caused by tetrachloromethane in mice indicated that GPT level (P.001) and MDA yieldment P

以小鼠CCli急性中毒性肝损伤为模型，以动物血清中谷丙转氨酶（GP水平与肝脏中丙二醛p A烨成量为指标，进行PHGF脂质体的药效学试验，结果表明P＊＊F脂质体能显著降低GP T水平o＜0刀01）与MD A 生成量厌＜o.05）；大鼠组织形态的观察表明高剂量＊＊＊F脂质体能使肝脏 0 内皮细胞增生活跃，提高肝细胞的免疫功能，对受损肝细胞具有修复作用；同样小鼠碳廓清试验也显示PHGF脂质体较市售粉针具有更好的机体免 p 疫作用o功刀01），达到制剂设计目的，获得较好的结果。

In order to guarantee the safety of drinking water,the trichloromethane and tetrachloromethane concentration in drinking water of units in Beijing of certain department have been determined for five years.

为保证饮用水水质的安全，本文就某部驻京单位饮用水中三氯甲烷和四氯化碳的浓度进行了连续5年的跟踪测试和调查，并对测试结果进行了分析，提出了处理建议。

The telomerization reaction kinetics of 1,1,1,3-tetrachloropropane synthesis using tetrachloromethane and ethylene as raw materials was studied.

研究了以四氯化碳和乙烯为原料合成1，1，1，3-四氯丙烷的调聚反应动力学。

Results Three kinds of columns were used for determination of chloroform and tetrachloromethane, the retention time was lower than 3 mm, for chloroform and tetrachloromethane the average recovery rates were 92.06%-104.95% and 78.33%-103.22% respectively, RSD were 2.06%-2.71% and 1.76%-5.59% respectively.

结果 用这3种毛细管柱测定氯仿和四氯化碳时，保留时间均小于3 min；氯仿和四氯化碳平均加标回收率分别为92.06%~104.95%，78.33%~103.22%；氯仿和四氯化碳的RSD分别为2.06%~2.71%，

Methods For the mild solubility of chloroform and tetrachloromethane in drinking water, chloroform and tetrachloromethane were analysed by static headspace gas chromatography with DB-5, Rtx-1 and DB-1 capillary columns and electron capture detector, external standard method was used for quantification.

利用氯仿和四氯化碳在水中的弱溶解性，采用静止顶空气相色谱法进行分析，使用DB-5、Rtx-1和DB-1毛细管柱和电子捕获监测器测定，外标法定量。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。