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1)  high efficiency gas filter
高效气体过滤器
1.
The characteristics of device for natural gas dust removal and purification combining high efficiency cyclone separator and high efficiency gas filter and the mathematical model for simulated calculation of the device are discussed.
论述了由高效旋风分离器和高效气体过滤器组合而成的天然气除尘净化装置的特点和模拟计算数学模型。
2)  HEPA filter
高效空气过滤器
1.
On the basis of the theoretical formula that are resulted from the experiments of the resistance in the multi-tube high efficiency particulate air filters(HEPA filter),an optimal design mathematic model of multi-tube HEPA filter is established which adopts the overall life cycle costs of the filter as the objective function.
在实验研究确立的多管式高效空气过滤器阻力的理论公式的基础上,以寿命期总费用为目标函数建立了该型过滤器的最优设计数学模型。
2.
A series of HEPA filters with different pleat distances(2.
探讨了核级高效空气过滤器的结构形式与过滤阻力之间的关系。
3.
Sodium fluorescence method is an important method for on-site test of nuclear HEPA filters.
荧光素钠法是核级高效空气过滤器现场试验的重要方法之一。
3)  mobile hight efficiency filter aircleaner
移动高效过滤气体清洁器
4)  HEPA outlet
高效空气过滤器送风口
1.
In order to study the impact of HEPA outlet on air distribution in non-unidirectional airflow clean room as well as the performance of the HEPA outlet,the performance of the HEPA outlets between different forms was investigated by the method of model test.
为了研究高效空气过滤器送风口对非单向流洁净室气流组织的影响及其特性,本文用模型试验的方法,对两种高效空气过滤器送风口性能进行了研究。
5)  high effeciency particulate air filter (HEPA filter)
高效空气微粒过滤器
6)  high efficiency particulate air
高效粒子空气滤过器
补充资料:气体过滤器
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性质:是依据碰撞、扩散和截获机理将气体中粒子过滤掉的装置。集成电路发展到兆位级后,对超净提出了更严格要求。SEMI标准对10/0.1级以管道供给的氮和氩气中规定≥0.1μm粒子≤0.4个/L;16M DRAM用气中大于0.1μm的粒子小于1个/L。在超高纯气体或电子气体供气系统中,为了脱除由于振动或气流冲击所造成的脱落粒子,应在阀门和配件下游和使用所前安装过滤器。粒子过滤器的选型及规格视气体控制规范而定。过滤器壳体一般采用316不锈钢,滤芯有烧结的多孔金属滤芯,耐腐蚀耐热的镍基合金,100%镍合金,铝陶瓷,Teflon膜,陶瓷膜等。

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