filter bed
英 [ˈfɪltə(r) bed]
美 [ˈfɪltər bed]
n. 过滤层；滤层；滤垫
英英释义
noun
- filter consisting of a layer of sand or gravel for filtering water
双语例句
- 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。 - 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。 - 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。 - 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。 - 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。 - 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。 - 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。 - 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 - 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。 - 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。