Objective To study the effects of quartz-containing mineral dusts from different places on the metabolism,metabolite,enzyme and morphology of Escherichia coli in vitro.

• 目的研究来自全国各地的含硅矿物尘粒对大肠埃希菌生长、代谢产物、酶及形态的影响,从而探讨矿物尘粒对大肠埃希菌作用的机制。