filter bed

1. Research on the Restoration of Lead Polluted Water-body with Light Burned Magnesite Gypsum Composite Filter Bed
   石膏/轻烧菱镁矿复合滤床法对铅污染水体修复研究
2. Application of Gravity-flow Compound Ecological Filter Bed to Urban River Water Purification
   自流式复合生态滤床用于城市河道水质净化研究
3. Testing Direct Filtration of Raw Water Using Upflow Polystyrene Filter ⅲ Influences of Filter Bed Composition
   上向流聚苯乙烯滤科直接过滤原水Ⅲ滤层组成的影响
4. Research on biofilm culturing of the light ceramsite for the ecological filter bed ( biology) nuclear membrane.
   轻质陶粒滤料生态滤床的挂膜与启动研究（生物学）（细胞）核膜。
5. Based on numerous test data, the influences of filter bed composition on the effect of direct filtration of raw water using an upflow polystyrene filter were discussed.
   试验结果表明：滤层组成的确定应综合考虑过滤周期发出水水质。
6. As a new type of biological odors control technology, biological filter bed has been developed at a great speed in its application.
   生物滤床作为一种新型的污水处理厂臭气生物处理技术，在实际应用中取得了快速的发展。
7. The adsorption characteristics of phosphorus onto granular fly ash and its phosphorus adsorption ability as the material in filter bed for landscape water treatment were investigated.
   研究了造粒粉煤灰的磷吸附特征，以及采用造粒粉煤灰为填料的滤床对实际景观水的磷去除效果。
8. Aquatic plant filter bed ( APFB) is developed that combines physical filter and biological treatment.
   开发了一种将物理过滤和生物处理相结合的水生植物滤床（APFB）技术。
9. Pilot-scale Experimental Study on a New Solid-liquid Separation Technology of Suspended Media Filter Bed
   悬浮填料滤池固液分离新技术的中试试验研究
10. Cleaning and recycle-use of polluted filter material at a filter bed
    滤池中污染滤料的清洗再生与再利用
11. The physical properties of reservoir pore spaces are great variant, belong to middle low pore and filter bed.
    储集物性变化大，属中-低孔、中-低渗储层。
12. Filter Bed PLC System Upgrade in Waterworks
    水厂滤池PLC系统的升级
13. Hydrophyte Filter Bed for Pretreatment of Micro-polluted Source Water
    水生植物滤床预处理微污染水源水
14. This system consists of a watering zone, an earthworm filter bed and a dewatering zone, which puts together the functions of the physical filtration and adsorption, aerobic and anaerobic biotreatments etc.
    该系统由布水区、蚯蚓滤床和排水区3部分组成，集物理过滤、吸附、好氧和厌氧生物处理以及污泥堆肥处理等功能。
15. At last the principle of con-trolling the stratification of tri-media filtering materials has been put forward and may be used for reference in the design of the filter bed.
    最后提出了控制三层滤料分层的原理，可作为滤床设计的参考。
16. Experimental study on performance of filter bed in depth filtration of waste water containing oil
    含油污水滤床过滤性能试验研究
17. 7.1.Under this condition, further studies are made on the optimum coagulant dosage, mixing time, artificial turbidity, filtration rate and filter bed's depth and the optimum range of these parameters have been determined.
    在此条件下，进一步对最佳投药量、混合时间、反应时间、人工辅助投加浊度、滤速及滤层厚度进行了研究，确定了其最优的取值。
18. A new solid-liquid separation technology is proposed, which uses a suspended media filter bed to separate activated sludge and water.
    本文提出了采用悬浮填料滤池对活性污泥混合液进行固液分离的新技术。
19. A series of experiments have been made to study on influence factors of kinetic degradation fluxion ( KDF) medium for heavy metal ion removal such as filtering velocity, thickness of the filter bed and detention time.
    对KDF滤料去除饮用水中微量重金属离子的影响因素进行了一系列的实验研究，分析了不同滤速、柱高下的去除率及相互影响情况，讨论了停留时间对去除率的影响。
20. Head loss in fiber bundle filter bed was studied experimentally, the existing equations of head loss ( produced) by flow through fibrous media were reviewed and an equation of head loss of fiber bundle filter bed was derived on the basis of cell model.
    研究了纤维束滤床的水头损失，简要评论了现存的通过纤维介质流动的水头损失方程，在池模型基础上建立了纤维束滤床的水头损失方程。
21. The grade and distribution of filtering material, the height of filter bed, filter rate and surface loading are compared intensively, and the reliable parameter on account of the test results are chosen.
    对于滤料的级配、滤层的高度以及滤速和滤池的表面负荷均进行了比较细致的研究和优选，结合实验情况，确定了可靠的设计参数。
22. Mathematical model was established and applied to analyze the operation performance of fixed and moved bed filtration process. This mathematical model consists of filtration media and waste water mass balance equations, filtration kinetics equation and pressure loss equation of filter bed.
    通过建立数学模型对污水固定床和移动床过滤过程运行特性进行了模拟分析，该模型包括滤料和污水质量衡算方程、滤层过滤动力学方程和滤层压降计算方程。
23. The filter film plays an important role in water purification in seepaging well with natural filter bed.
    滤膜在天然滤床渗流井滤净水中具有重要作用。
24. The result shows that selection of suitable contact reaction time, filter bed height, and filtering velocity may result in efficient removal of lead and mercury.
    结果表明，选择合理的接触反应时间、滤层高度和滤速能有效去除微污染原水中的铅和汞。
25. It puts forward some main factors that influences the silt, which are structure characteristics of the filter bed, water quality of river, the condition of water force and the technology of water to be get.
    提出了滤床的结构特征、河水水质、水动力条件及取水工艺是影响淤塞的主要因素，总结了防治淤塞的建议。
26. The removal of ammonia nitrogen depends mainly on the nitrification and denitrification of microorganism; The earthworm play direct role and indirect effect in the ecological filter bed. More important indirect effect starting from being their institute.
    生态滤池中污水中氮的去除主要是靠滤池内微生物的硝化和反硝化作用；蚯蚓在生态滤池中既起直接作用又起间接作用，而更重要的是它们所起的间接作用。
27. The results showed that: the temperature of the filter bed to run a greater impact.
    结果表明：温度对滤床运行影响较大。
28. The results of the test indicates that the technology of artificial strengthen ecological filter bed is feasible and practical in river water quality improvement applications.
    试验结果表明，人工强化生态滤床技术在河流水体改善应用中处理效果明显，具有可行性和实用性。
29. However, at low temperatures, the filter bed has a certain treatment effect.
    但在低温情况下，滤床亦有一定处理效果。

noun

1. filter consisting of a layer of sand or gravel for filtering water