The functions of the hydrophyte filter bed(HFB) for improving source water quality were surveyed in terms of microcystin and trace organic pollutants.
从对藻毒素和微量有机污染物的去除方面考察了水生植物滤床（HFB）在改善源水水质方面的效果。
Regenerate the softener before you use it. Use clean, chlorinated water to backwash the filter bed.
在使用前需要清洁软水器。使用干净的、氯化消毒水反复清洗过滤床。
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。
Simulation research on the EAF dust online recycling and zinc oxide separation with coke bed filter was carried out by heating coke/dust samples in CO/CO2 gas mixture.
采用电炉粉尘与焦炭粉的混合试样，对利用焦炭过滤床在线回收电炉粉尘，在CO/CO2混合气体中氧化锌的还原分离工艺进行了模拟研究。
The experiment reveals that the variation of UFE numbers is only dependent on the volume-specific deposit of filter, the effects of filtration velocity, bed depth and ALT ratio are not evident.
不同滤层厚度、滤速和加药比ALT等条件下的过滤试验结果表明：滤层中单元滤床的特征尺寸的变化仅与空隙率有关。
When the biological filter bed is stably treating with domestic wastewater, shapes of biofilm and distributing characters of microorganism species on the external of medium were studied.
研究了生物渗滤床处理生活污水稳定运行时介质表面的生物膜形态和微生物种群分布特征，分析了生物膜及微生物种群的空间变化规律。
Backwashing is one of the methods to maintain a filter bed clean.
反冲洗是保持滤床清洁的方法之一。
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。
The anti - rinse prosses is the last step of deep bed filter.
反冲洗过程是深层过滤的最后环节。
In the KDF filter, effect of contact reaction time, filter bed height, and filtering velocity on lead and mercury removal was studied.
以KDF为滤料，研究了接触反应时间、滤层高度和滤速对铅和汞去除效果的影响。
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。
Rated for about 1000 square feet, it USES a large carbon bed and a safe HEPA filter to remove chemicals and particles down to. 3 microns in size.
规定为1000平方英尺，使用大块的碳质底座和安全的HEPA过滤器将化学药品和微粒降到3微米以下。
The deep bed filter is one of the basic units in water treatment engineering, it plays an important role in the produced water treatment of oil field and waste water treatment of refineries.
深层过滤是水处理工程中的基本单元方法，在油田注水处理、石化厂废水治理方面有很重要的地位。
With the slower filter speed, the time that organic matter touches the filter bed longer, the removing effect is better.
滤速越低，有机物与滤床接触时间越长，去除效果越好。
The counter- flushing may make the filter bed long- term effective use, reduce the service and the comprehensive cost.
反冲洗可保障滤层长期有效使用，减少维修，降低综合成本。
This paper discusses on the moving granular bed filter that may be one of the greatest potential hot dust removal technologies.
移动颗粒层过滤除尘被认为是具有发展前途的高温除尘技术之一。
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...
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。
Research on structure optimization and pressure drop for novel granular filter in fluidized bed has been carried out.
对三维流化床颗粒层过滤器的阻力特性进行了研究，并对过滤元件的结构进行了优化。
The results showed that adding 5% dose of fly ash when feeding wastewater into the filter bed, wastewater treatment capability of facility can be improved, and the operating cost can reduce also.
结果表明，在废水进滤床前，加入5 %的粉煤灰可提高设施的废水处理能力，并且可降低运行费用。
Experiments showed decreased porosity of the filter bed along the filtering direction.
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。
The pater applies the head loss model to design a set of computer control system, it can be realized automatic surveillance of deep bed filter process.
同时利用阻力模型设计了一套计算机控制系统，实现了深层过滤过程的自动化监测。
The tracer agent test shows that the flow pattern in the Pipe-cone Shape filter bio-bed is complete mixing.
示踪剂试验表明管锥形填料生物床的流态为完全混合式。
The results of the oxygen transfer ratio test show that the oxygen transfer ratio of pipe-cone shape filter bio-bed can increase by 33.33 %.
通过氧转移效率试验表明，管锥形填料生物床可提高33.33%的氧转移效率。
The CLEAR-FAST works well with ceramic and carbide grinding coolants. Many customers use a DEEP-BED as a pre-filter and the CLEAR-FAST to polish the coolant.
许多客户先使用另外一款产品DEEP-BED作为预过滤器，再使用该快速过滤器完成冷却剂的彻底过滤。
The CLEAR-FAST works well with ceramic and carbide grinding coolants. Many customers use a DEEP-BED as a pre-filter and the CLEAR-FAST to polish the coolant.
许多客户先使用另外一款产品DEEP-BED作为预过滤器，再使用该快速过滤器完成冷却剂的彻底过滤。
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