Carbon tetrachloride is a chemical destroying the ozone layer , and its use should be decreased gradually .
四氯化碳是一种能破坏臭氧层的化学物质,应该逐步减少其使用量。
Diagnostic criteria and principles of management of occupationalacute carbon tetrachloride poisoning .
职业性急性四氯化碳中毒诊断标准及处理原则。
Study on method of inducing cirrhotic model in cats by carbon tetrachloride .
四氯化碳综合法诱导大鼠肝硬化模型方法的探讨。
The effects of organic matter on the removal efficiency of carbon tetrachloride from soils by soil vapor extraction .
有机质对土壤气相抽提去除四氯化碳效率的影响。
D 3467-99standard test method for carbon tetrachloride activity of activated carbon .
活性炭四氯化碳活性标准试验方法。
Effects of vegetables juice and ethanol on the activity of aminotransferase of bufo bufo gargarizans poisoned by carbon tetrachloride .
蔬菜汁、乙醇对四氯化碳致毒中华大蟾蜍转氨酶活性的影响。
Protective effect of crinum asiaticum l. extract on the hepatic damage induced by carbon tetrachloride .
允水蕉抽取物对四氯化碳诱发鼠肝损伤之保护作用。
To study the effects of lucid ganoderma spores powder on organ coefficients and hepatic histomorphology in rats with carbon tetrachloride induced-hepatocirrhosis .
灵芝孢子粉可以抑制四氯化碳对大鼠肝纤维化的作用。
To study the protective effect of yinzhihuang injection on hepatic cell damage caused by carbon tetrachloride ( ccl4 ) in vitro .
茵栀黄注射液;复方茵陈注射液;四氯化碳;肝细胞损伤;保护作用。
Abstract : a new method on extraction of phenanthrene from crude anthraceneis given , which includes azeotropic dissolution with ethylene glycol , extraction of carbon tetrachloride , treatment of sulfuric acid and ethyl alcohol recrystallization , in the end , the best process is obtained .