the no-fire cigarette and filtering medium are prepared from various natural medicines and plant extract toxicological harmless and beneficial to human health.
无火烟和过滤液是选用多种对人体无毒害且有益于人体健康的天然药物和植物精华配制而成。
the method for preparing the filtering medium to remove the pesticides in the water is simple with low cost and good performance.
利用此方法制备的过滤介质去除水中的农药,方法简单、成本低、效果好。
therefore, high viscosity pulp has its own features in the filtering mechanism and the selection of filtering medium and filtering equipment.
因此高粘度浆体的过滤机理、过滤介质和过滤设备的选择方面也有自身的特点。
the typical filtering medium and its characteristics are introduced. the measures and effects for improving the quality of the filtering medium and extending its utilizing scope;
评述了开发的典型滤料及其特性,为提高滤料质量和拓宽应用范围采取的措施和效益、滤料的标準化生产和检验;