水从反粒度滤料过滤器底部进入，自下而上通过滤料层。
Water enters from the bottom of the filter with reverse-size filter material and passes a filter material layer form bottom to top.
该投加点面临的主要问题是活性炭穿透滤料层以及水头损失过快增长导致滤池过滤周期的大幅度缩短。
The major problems in this technology are PAC penetrating filter material layer and the great shorten of the filter cycle owing to the growth rate of filter head loss is so quickly.
试验发现，短纤维束滤料滤层的孔隙率沿过滤方向由大到小，为变孔隙滤层。
Experiments showed decreased porosity of the filter bed along the filtering direction.
最后，对混凝实验、自由沉淀实验、絮凝沉淀实验、成层沉淀实验、压缩沉淀实验、滤料筛分实验、过滤及反冲洗实验进行了模拟开发。
Lastly, this thesis paper develops MATLAB GUI of coagulation and flocculation experiment, four experiments of sedimentation, filter material sieve, filter experiment and backwash experiment.
鉴于反滤层是防止土石坝渗透破坏的有效措施，设置反滤层的依据是被保护料的性质和滤层准则。
In view of that filter is an effective measure to protect earth rockfill DAMS from seepage failure, the filter is provided on the basis of the property of protected material and the filter criteria.
介绍了滤料和滤层厚度对过滤效果的影响。
The paper illustrates the influence of filtration material and filtration bed thickness on filtration performance.
采用格网反应、斜管沉淀和三层滤料过滤工艺。
A treatment process of grating reaction, inclined tube sedimentation and tri-media filtration is adopted.
无烟煤滤料同石英砂滤料配合使用是我国目前推广的双层快速滤池和三层滤池、滤罐过滤的最佳材料。
Anthracite filter used in conjunction with quartz sand is our current promotion fast filter and three-filter, the best material canister filter.
该滤料的特点在于表层采用超细纤维层，滤料结构形成的流体通道呈现为前窄后宽。
The characteristics of this filter media are that the surface layer adopts microfibre and that the hydro-channels of the filter media's structure are narrow in the front and wide in the back.
第一层滤料的厚度最大，逐层厚度减薄，每一层都允许透过重量的3%，每一层都没有堵死，都有空隙。
The first layer filter material thickness, the thickness of the biggest step by step a thinning, each layer will allow through 3% of the weight of each layer, no change, there is gap.
针对污染物成分研制了有效的滤料再生剂，很好地解决了致密的混合污染物层难以清除的问题。
Focus on these pollutants an effectual regenerating reagent has been developed, and the problem that the pollutants are difficult to clean out has been solved. A dosing equipment has been developed;
针对污染物成分研制了有效的滤料再生剂，很好地解决了致密的混合污染物层难以清除的问题。
Focus on these pollutants an effectual regenerating reagent has been developed, and the problem that the pollutants are difficult to clean out has been solved. A dosing equipment has been developed;
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