释义 |
tetrachloromethane 英'tɛtrə,klɔro'mɛθen美'tɛtrə,klɔro'mɛθen BNC¹⁴⁴⁶⁶⁴⁺³ 基本英英记法近义反义例句例句 n.四氯化碳¹⁰⁰
Noun: a colorless nonflammable liquid used as a solvent for fats and oils; because of its toxicity its use as a cleaning fluid or fire extinguisher has declinedtetra四hloro-氯meth-甲-ane烷⇒n.四氯化碳近义词 perchloromethane四氯化碳carbon tetrachloride四氯化碳
名词100% 用作名词By using solid phase microextraction instrument,chloroform andtetrachloromethanein drinking water was detected in ECD of gas chromatography.使用固相微萃取装置用气相色谱电子捕获检测器测定饮用水中氯仿和四氯化碳。 We also investigated the effect on the removing of chloroform andtetrachloromethanein drinking water by boiling treatment.同时考察了饮用水煮沸时间对消除氯仿和四氯化碳含量的影响。 As an oil extractant, tetrachloromethane is rather poisonous to human and has severe deteriorating effect on ozonosphere. 油类萃取剂四氯化碳对人体毒性较大,且对大气臭氧层有着严重的破坏作用。 chemyq Because the toxicity of tetrachloromethane would destroy certain human and animal liver, and damage the ozone layer. 由于四氯甲烷具有一定的毒性会破坏人体及动物肝脏,并且会破坏臭氧层。 fabiao By using solid phase microextraction instrument, chloroform and tetrachloromethane in drinking water was detected in ECD of gas chromatography. 使用固相微萃取装置用气相色谱电子捕获检测器测定饮用水中氯仿和四氯化碳。 iciba Metheds By laser ablating a heterogeneous reaction system which was consisted of solid graphite, liquid and gaseous tetrachloromethane, synthesis was carried out by plasma reaction. 方法用激光溅射多相反应体系,以石墨为固体靶,以四氯化碳为气相和液相反应物,通过等离子体反应进行合成。 cnki Methods:The reaction took place by dropping the solution of DIPPH and tetrachloromethane into the mixed solution of salicylic acid, triethylamine, and ethanol. 方法:冰盐浴条件下,二异丙基亚磷酸酯 D IPPH和四氯化碳混合液滴加到水杨酸、 三乙胺、乙醇的混合液中,水杨酸和 DIPPH发生磷酰化反应。 chemyq Therefore, dissociation of tetrachloromethane ionization process has been subject to attention. 所以四氯甲烷的解离电离过程一直都受到人们的重视。 fabiao |