The organic matter in tropospheric aerosol plays an important role in atmospheric physical and chemical processes. The b......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

Perfluorooctanoyl modified poly(vinyl alcohol)s (FPVA) were prepared by means of substituting a small amount of hydroxyl......

通过对低温低浊水水质分析，提出了在混凝阶段投加经高分子活化的粉砂作絮凝介质处理低温低浊水的方法。烧杯实验对粉砂（粒径、投加量......