Petrochemical wastewater were treated by continuous micro filtration(CMF) and reverse osmose(RO) double membrane technique.
采用连续微滤（CMF）-反渗透（RO）双膜技术深度处理石油化工排放水。
2
Isotope tracer technique showed that glucosamine sulfate above can pass through the skin in vitro of test animal in a diffusion cell and osmose into subcutaneous tissue.