The deviation of the extrudation moisture regain obtained by the approximate equation increases with increasing of size concentration.

随着浆液质量分数的增加，按近似关系式求得的浆纱压出回潮率的偏差率增大。

It is studied with a focus on the harm of the composition of the aspiratory particles,aerosol state,grain size,concentration to human health.

对其空气中溶胶粒子,特别是可吸入粒子的成分,气溶胶态、粒径大小、浓度等对人体健康危害进行了分析研究。