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苯在工业上的应用始于１００年前，随着工业的不断发展，苯的应用日益广泛，遍布全世界。苯还是汽车废气中的两种主要致癌物之一，环境空气中苯的浓度也有增高的趋势。１８９７年，Ｎｅｎｏｉｒ与Ｃｌａｕｄｅ报道了第１例苯作业工人白血病。此后，有关苯的毒性、致癌性及诊断
Benzene in the industrial application began 100 years ago, with the continuous development of industry, benzene is increasingly widespread, all over the world. Benzene is also one of the two major carcinogens in car exhaust, and benzene concentrations in ambient air are also on the rise. In 1897, Nenoir and Claude reported the first benzene worker, leukemia. Since then, benzene toxicity, carcinogenicity and diagnosis