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Effect of Cement Plant Dusts to Human Body Normal Strains

机译：水泥厂粉尘对人体正常菌的影响

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This paper studied the growth effect mechanism of cement plant dusts on three kinds of body normal strains- Escherichia coli, Staphylococcus epidernidisand Streptococcus mitis. The phase, major chemical composition and granularity distributing of the experiment dust were analysis and the change of number of index bacterial colonies, pH, glucose (GLU) and electrolyte relative to the controls were observed. On the other hand, we studied the bacterial form and interface act between dusts and bacteria through SEM analysis. Results showed that the reciprocity of dust and bacteria increases the wastage of GLU. But the pH values have a little increase because of the great add of Ca2+ dissolving quantity. The experiment tubes with dust have more bacterial colonies contrast to the controls. Cement plant dust has the obvious promote effect to the growth of body normal flora and take some effect on the balance of them. So it will bring harm to human body.
机译：本文研究了水泥粉尘对三种人体正常菌株-大肠埃希菌，表皮葡萄球菌和微生物链球菌的生长作用机理。分析了实验粉尘的物相，主要化学组成和粒度分布，观察了相对于对照菌落的菌落数，pH，葡萄糖（GLU）和电解质的变化。另一方面，我们通过SEM分析研究了灰尘和细菌之间的细菌形式和界面作用。结果表明，灰尘和细菌的互易性增加了GLU的浪费。但是由于Ca2 +溶解量的增加，pH值略有增加。与对照相比，带有灰尘的实验管具有更多的细菌菌落。水泥厂粉尘对人体正常菌群的生长具有明显的促进作用，对它们的平衡具有一定的作用。因此会给人体带来伤害。

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