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- Ear-loop type: 3-ply polypropylene cloth, low breathing resistance and high filtration efficiency. 超细纤维高过滤，强静电处理滤布，滤菌，滤尘率达95%25以上，是防止大气微粒粉尘和花粉的上等口罩。
- Abstract By use of the DOP monodisperse and polydisperse aerosols, the penetration ratio and filtration efficiency of glass filter media are measured. 摘要 为将过滤器更好地应用于放射性气溶胶的清除 ,本工作利用邻苯二甲酸二辛酯 (DOP)气溶胶团粒 ,对常用于制造过滤器的玻璃纤维膜进行了过滤特性研究。
- It can increase the filterability of fermenting liquor, and decrease the number of earth that expended to make beer and raise the filtration efficiency. 提高发酵液可滤性,降低吨酒耗土量,提高过滤效率。
- The test result operated on 6110 D.I.diesel engine shows that corona-charging technology is an effective method on improving the filtration efficiency of SSNF. 6110柴油机台架试验的结果表明，电晕荷电技术是提高不锈钢丝网过滤效率的有效手段。
- The FSN (Filter Smoke Number) values are measured during the course of on-road test and the results show that the filtration efficiency is up to 100%. 5. 5.;开发了车用过滤器自动控制系统，对各部分电路进行了设计。
- Rotary vacuum filter is one of the most important facilities in PTA production,but it has low filtration efficiency and large energy consumption in industrial application. 转鼓式真空过滤机为PTA生产工艺中的重要设备之一,但其在工业应用中存在过滤效率较低,能耗较大的问题。
- Stationary chamber belt vacuum filter have successful application in the chemical plant abroad. It has higher filtration efficiency, better abstersion effect, filter cloth can use repeatly easily. 对烧结法氧化铝硅渣分离系统进行技术改造，引用过滤效率高、洗涤效果好、滤布再生效果好的固定室带式真空过滤机，能有效地减少滤饼中氧化铝的含量，进而降低该工序中的能耗。 主要进行以下内容的研究：
- The BFE test is a relative indicator of the performance of a medical, surgical or patient care mask but the results are not comparable to respirator certification filtration efficiency. BFE的检测结果只是医用口罩性能的一个相对性指标，不能与呼吸器的过滤效率相提并论。
- Summary on Filtration Efficiency of Cigarette Filters 卷烟滤嘴过滤效率研究概述
- STUDY ON FILTRATION EFFICIENCY OF GLASS FIBER FILTER FOR AEROSOLS 玻璃纤维介质中气溶胶粒子过滤效率研究
- New Approach for Dynamic Filtration Efficiency of Fiber Filter 纤维面层表面非稳态过滤效率的研究
- Experimental Analysis on Filtration Efficiency of Filter Media 过滤介质过滤效率的试验室分析
- Simulation on Flow Process and Filtration Efficiency of Filtered Aluminum Alloy 基于铸造铝合金过滤流动过程及过滤效率的模拟
- Research on the Filtration Efficiency of Multilayer Composite Fiber Felts 多层复合丝网过滤效率的研究
- We must improve our efficiency as soon as possible. 我们必须尽快地提高工作效率。
- Their labor efficiency is very high. 他们的工作效率很高。
- Water can be purified by filtration through sand. 水通过沙滤可以变清。
- We were most impressed with/by your efficiency. 你的工作效率很高，我们极为钦佩。
- Critical filtration efficiency and the minimum air changes of comfort air conditioning systems 舒适性空调系统的临界净化效率与最小换气次数
- Our goal is to achieve the maximum of efficiency. 我们的目标是取得最高的效率。
