这款口罩可以多次清洗，且不会损失过滤效果。
The mask is washable many times with no loss of filtration effectiveness.
但是燃烧前将氧气从空气中分离所需的能源几乎不亚于上述将氮气过滤所需的耗费，这就使得两者在效率损失上不相上下。
But the energy used to separate oxygen from air before burning is almost as great as that needed to filter out nitrogen afterwards, leading to a similar loss of efficiency.
该投加点面临的主要问题是活性炭穿透滤料层以及水头损失过快增长导致滤池过滤周期的大幅度缩短。
The major problems in this technology are PAC penetrating filter material layer and the great shorten of the filter cycle owing to the growth rate of filter head loss is so quickly.
介绍了试验设备及测试方法，通过试验得出过滤风速和压力损失变化关系。
Then, the test equipment and experiment is introduced. Through experiment, we get the relation between velocity and filter pressure drop.
比较了砂滤和纤维球过滤对浊度、COD、SS和油的去除情况，及其在水头损失、过滤周期和产水量等方面的异同。
The sand filtration is compared with fibre-ball filtration on the removal rate of turbidity, COD and SS, and on the head losses, filtration period and filtrate.
控制流体经过滤进入地层的损失所用的化学添加剂。
A chemical additive used to control the loss of fluid to the formation through filtration.
由于本实用新型的多孔支撑装置开孔率很大，可大大减小过滤水头损失。
As a porous support device has larger opening percentage, the filtering head loss can be greatly reduced.
硫酸消耗是磷酸生产的主要经济技术指标，降低磷酸过滤系统水溶磷的损失是降低硫酸消耗最有效的途径。
As the major economical and technical indexes in WPA production, sulfuric acid consumption is reduced alone with the decrease in the loss of the water soluble P2O5 in the WPA filtering system.
含尘滤料过滤阶段，测试了入口粉尘浓度、过滤速度等对过滤压力损失的影响。
Under non-stationary filtration condition, firstly the study about the effect of particle concentration, filtration velocity and filtration time on pressure drop was taken.
从研究纤维束滤料的传质效率—水头损失特性出发，确定了纤维束过滤器的技术参数。
By making study on the characteristics of mass transfer efficiency-head loss of fiber bundle media, the technical parameters were determined for the fiber bundle filter.
提出用于建立过滤层非稳态过滤压力损失模型的微观分析法和宏观分析法新概念。
A new concept of the microcosmic analysis method and the macroscopic analysis method are proposed to investigate the pressure drop of the dynamic filtration of filters.
我会想当前要求您的唯一的事： 您能推荐过滤器适当为有较少压力损失比101G 过滤器的PRF-101?它会花费多少如果它存在? 谢谢。
The only thing I would like asking you about at present: could you recommend filter suitable for PRF-101 that has less pressure losses than 101G filter?How much it would cost if it exists?
大部分穿过滤镜的光可以补偿损失的部分，但你要确保使用的滤镜种类正确。
Most through-the-lens meters will compensate for the lost light, but be sure you are using the right type of filter.
在稳流试验台上进行了微粒过滤器的压力损失与流量测试试验，运用测得的数据计算了微粒过滤器的渗透率。
In steady flow rig the pressure drop and the mass flow rate of the DPF were measured, and the measured data are used in the estimation of DPF permeability.
通过所有EPD过滤器的压头损失将随着过滤介质不同，流量不同而不同。
Head loss through all EPDfilters will vary dependent upon filter media and how flow rate on start-up.
加速粉尘层形成可以有效降低含尘过滤阶段压力损失；
So it can decrease the pressure drop effectively to accelerate the form of dust cake under non-stationary filtration condition.
检查过滤器的压力损失情况，并对异常进行必要的处理。
And checking the pressure loss of the filter, deal with the abnormal situation.
什么是个好的过滤器？减少损失10-20%，也还在你所以有的交易中减少了50%利润。
What good is a filter if it reduces losses by 10% - 20% , but also reduces profitability on every trade by half?
从研究纤维束滤料的传质效率一水头损失特性出发，确定了纤维束过滤器的技术参数。
By making study on the characteristics of mass transfer efficiency - head loss of fiber bundle media, the technical parameters were determined for the fiber bundle filter.
从研究纤维束滤料的传质效率一水头损失特性出发，确定了纤维束过滤器的技术参数。
By making study on the characteristics of mass transfer efficiency - head loss of fiber bundle media, the technical parameters were determined for the fiber bundle filter.
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