过滤效率

参考现有的国家规范，以对PM（10）、PM（2.5）、PM（1.0）的过滤效率为标准，将过滤材料划分为4类；

Referring to practicable nation standards and according to filtration efficiency to PM_10 , PM_2.5 and PM_1.0 , the filtration materials are graded into four classes .

在合适的推动力作用下（高真空度），含藻给水污泥过滤效率较高且未增加滤液MCs浓度和浊度，应优先选择。

With appropriate driving force ( higher vacuum ), algae containing sludge had higher filtration efficiency and stable MCs concentration and turbidity levels .

本文讨论了静电充电的技术（方法）和机理，并介绍新近开发的对熔喷PP纤网静电充电以提高空气过滤效率的情况。

The technique and mechanism of electrostatic charging . are discussed , the general situation of newly developed electrostatic charging method of PP melt-blown web for improving the air filtration efficiency is also introduced .

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。

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 .

利用蒸汽冷凝法产生的不同粒径DOP（邻苯二甲酸二正辛脂）单分散气溶胶粒子及多分散气溶胶粒子，在滤材测试平台上对三种型号玻璃纤维滤材的过滤效率进行了研究。

Using monodisperse and polydisperse DOP aerosols generated by the vapor condensation method , the filtration efficiency of three types of glass fibers was studied .

12层纱布口罩的过滤效率只有11%~15%，完全不能阻挡人工血、金黄色葡萄球菌和大肠杆菌F2噬菌体渗透。

Twelve-layer gauze mask showed a filtering efficiency of only 11 % ~ 15 % and could not obstruct penetration of synthetic blood , S. aureus and F_2 phage of E. coli .

基于不同操作条件下过滤效率（过滤时间、平均滤速）、滤液浊度、MCs浓度的变化，明确了机械作用和理化作用对藻细胞完整性的具体影响，并据此对过滤操作条件进行优化。

By evaluating filtration efficiency ( time and average rate ), turbidity and MCs concentration in different operating conditions , the influences of mechanical action and physical / chemical effects on algal cell integrity were explicated , and the operation conditions were also optimized for vacuum filtration .

结果，棉布与尼龙面料的防护服过滤效率只有6%~14%，完全不能阻挡水、人工血的渗透，对金黄色葡萄球菌和大肠杆菌F2噬菌体悬液渗透也无阻挡作用。

Results : The protective clothing made of cotton and nylon fabric showed a filtering efficiency of only 6 % ~ 14 % , could not obstruct penetration of water and synthetic blood and also penetration of the suspensions of Staphylococcus aureus and F_2 phage of Escherichia coli .

静电效应对聚丙烯滤材过滤效率的影响微孔过滤介质的进展

The effect of electrostatic force on air filtration by polypropylene filter media

基于铸造铝合金过滤效率的水力学分析

Analysis of Filtering Efficiency for Aluminum Alloy Based on Hydraulic Simulation Experiment

玻璃纤维介质中气溶胶粒子过滤效率研究

Study on filtration efficiency of glass fiber filter for aerosols

纤维面层表面非稳态过滤效率的研究

New Approach for Dynamic Filtration Efficiency of Fiber Filter

医用面罩材料空气微生物过滤效率标准测试方法与装置的研究

Test and Evaluation of Airborne Microbe Filtration Efficiency of Medical Face Mask Materials

卷烟抽吸过程中滤嘴过滤效率的变化

Change of Filtration Efficiency of Filter During Cigarette Smoking

设备自动连续运转，维护费用低，过滤效率高。

Automatic and continuous operation , low maintenance cost , high filtration efficiency ;

氯化钠粒径分布对钠焰法过滤效率的影响

Relationship between NaCl aerosol size distribution and testing efficiency for the sodium flame method

它具有流体阻力小、过滤效率高的优点。

The utility model has advantages of small fluid resistance and high filtering efficiency .

复合式滤尘器过滤效率测试方法的研究

Study on Determination of Composed Filter Efficiency

其工作温度可达900℃过滤效率在99%以上，并具有透气性好，阻力损失小和反洗清灰效果好等特点。

Its working temperature can reach 900 ℃ and its filtration efficiency is over 99 % .

随着网络流量特征的变化，这些规则集可能会限制防火墙的过滤效率。

When the network flow characteristics changed , these rules may limit the performance of firewall .

正压医用防护头罩过滤效率和微环境研究及其临床试验

Study on filtering efficiency and microenvironment of positive pressure medical protective hood and its clinical trial

各种方法均有其优缺点：增加滤嘴过滤效率，对卷烟风味保持较好，但降焦效果有限；

Increasing smoke filtration properly can keep the smoke flavor , but the tar decreases is limited .

这种数据分片策略和索引技术使得索引的过滤效率成倍提高。

The data partition strategy and index technique proposed can greatly improve the filtering ability of index .

在高气流速度下，增加陶瓷过滤器厚度对提高细小颗粒的过滤效率几乎不起作用。

The thickness of ceramic filter can almost do nothing to filter efficiency in high gas velocity .

非织造布口罩的吸气阻力较高，过滤效率在70.0%～99.7%；

Non woven masks : the inhalation resistance was higher and its filtering efficacy was 70.0 % 99.6 % .

具有环保低耗且澄清过滤效率高等优点。

The processing unit has the advantages of environment protection , low energy consumption , high clear filter efficiency , etc.

实验和分析表明：本文的算法相比传统方法在过滤效率和准确率两方面均获得大幅度提升。

The experiments show the algorithm could promote both in the efficiency and accuracy comparing with the traditional methods . 3 .

此项研究是在上述研究的基础上进行的，研究高效滤料不同滤速下微生物气溶胶的过滤效率。

Our study is based on the former work and studies the bioaerosol efficiency of high efficiency filters at different velocities .

高过滤效率意味着良好的过滤效果，而高运行阻力会带来巨大的能源浪费。

The high filtration efficiency means the good filtration results , however high pressure drop will cause the waste of energy .

目的评价不同类型口罩滤材对非生物颗粒气溶胶和微生物气溶胶过滤效率。

Objective To evaluate the filtration efficiency of different types of mask filtration materials against non-biological particles aerosol and microbial aerosol .