1)  bed depth
深床
2)  deep bed filtration
深床过滤
1.
Development and application of deep bed filtration in micro-polluted raw water or wastewater treatment;
深床过滤机理及其在水处理中的应用研究与进展
2.
Bio-nitrification technique in the process of deep bed filtration was investigated.
研究了深床过滤条件下的生物硝化技术,建立了硝化反应动力学模型和生物膜传质模型。
3.
Theoretical analysis was carried out in this paper to study the interaction in the deep bed filtration process, and the physico\|chemical forces between the filter media and suspended particles in water were presented.
深床过滤过程中颗粒物与滤料之间的相互作用进行了理论分析 ,讨论了两者间的相互作用及影响因素 。
3)  deep bed technique
深床技术
4)  deep bed drying
深床干燥
1.
According to analysis of drying characteristics of granular product, the paper described analytical solutions on a single grain with two falling rate drying stages during corresponding falling rate drying periods of deep bed drying process.
通过对颗粒物料的干燥特性分析,给出单一粒体降速干燥具有二段性的物料在深床干燥过程各降速阶段的解析式;讨论诸干燥参数及物性参数的变化和相互关系,建立数学模型,采用计算方法,示出解析结果以及这一解析方法的应用。
2.
This paper discusses drying and physical parameters and establishes their relation; gives various analytical solutions of granular product in deep bed drying processes.
讨论干燥参数及物性参数,建立其关系式;给出表示颗粒农产品深床干燥特性的诸解析式;采用计算方法,示出解析结果以及这一方法的应用
5)  deep-bed drying
深床干燥
1.
The authors investigated the measuring of the drying characteristics of wheat dur-ing deep-bed drying by observing the dynamics of continuous drying air.
讨论在深床干燥中,气流与床上物料间的热和水分交换以及各层小麦的平均含水率变化。
6)  deep bed filter
深床滤池
参考词条
补充资料:深床滤池
分子式:
CAS号:

性质:指双层滤料滤池和多层滤料滤池,均为下流式重力滤池。双层滤料为无烟煤和石英砂,三层滤料为无烟煤、石英砂和石榴石。每种滤料的粒径按上不下大的顺序进行排列。双层滤料和三层滤料结构允许水中悬浮固体穿透到满目床更深的地方,可以提高滤池截污能力。过滤过程包括过滤和反冲洗。过滤在饮用水处理中一直是主要单元操作之一,现已发展到对废水出水进行过滤,去除废水中的悬浮物。

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