查询词典 backwash

The experiment is very hard to remove phosphor. The best backwash cycle is 6 hours and use air water backwashing. The treatment efficiency could come back to 70% after 12 hours behind the backwash.(5)The removal rate of double-layer medium BAF is better.

5与单一炉渣填料的生物滤池的处理效果相比，本试验的双层填料曝气生物滤池显著提高了出水水质，尤其提高了滤池对NH_3-N的处理效果：滤池对COD_的去除率平均提高了10％，对NH_3-N的去除率平均提高了将近30％。

The backwash sequence includes the following steps: Filter to backwash level –During this step, the compressed air at 30 psi (200 kPa) is introduced into the shell side to drive the filtration and lower the shell side feed water level.

反冲洗路线包括下述步骤：过滤反冲洗水平–在这个步骤中， 30 psi (200 千帕)的压缩空气被引入壳侧来驱动过滤并降低壳侧的给水水位。

The backwash sequence includes the following steps:冲洗的顺序包括下列步骤: Filter to backwash level –During this step, the compressed air at 30 psi (200 kPa) is introduced into the shell side to drive the filtration and lower the shell side feed water level.

冲洗过滤层在这一步，压缩空气30防扩散(200千帕)引入壳牌驱动的过滤和方方下空壳饲料水位。

Based on different filtering accuracy,micron rating(20,55,100,200 μm),and different dosages of chemicals added to the influent,the parameter differences such as turbidity,suspended solids content,FPI value,head loss,filtration cycle,flux,backwash,etc.are compared and studied.

针对不同过滤精度(20、55、100、200μm)的叠片，在不同的加药量下，比较研究了两种过滤器进出水的浊度和悬浮固体含量、周期产水量、FPI值、水头损失、流量、反洗等工艺性能参数差异，试验结果表明，两种过滤器的性能大体相近。

The filtration performance of jy discal filters and arkal discal filters are compared.based on different filtering accuracy,micron rating(20,55,100,200 μm),and different dosages of chemicals added to the influent,the parameter differences such as turbidity,suspended solids content,fpi value,head loss,filtration cycle,flux,backwash,etc.are compared and studied.the results show that these two kinds of filters have similar performance.

采用并联式的过滤系统，对国产的亚高牌叠片式过滤器与以色列arkal公司的叠片式过滤器进行了工艺性能比较试验。针对不同过滤精度(20、55、100、200μm)的叠片，在不同的加药量下，比较研究了两种过滤器进出水的浊度和悬浮固体含量、周期产水量、fpi值、水头损失、流量、反洗等工艺性能参数差异，试验结果表明，两种过滤器的性能大体相近。

Instead, it can also provide negative backwash, and affect the normal teaching.

测试作为英语教学的一个组成部分是非常重要的步骤。

The invention will result in great backwash in the world.

这项发明将在全世界引起了轰动。

And this generation does not intend to founder 7 in the backwash of the coming age of space.

而我们这一代并不准备在即将到来的、太空时代所产生的困难面前萎缩不前。

A so-called backwash is a research about a kind of test impacts on language teaching and learning.

所谓的反拨作用就是研究一种测试对教与学的这两方面的影响。

The medium-term progress in literature, first of all, this powerful backwash to require the independence of literature.

明中期文学的进步，首先是对此进行有力反拨，以要求文学的独立性。

The changes of the HAF after liver injury may be related to the volume of blood loss, the intraabdominal pressure and the pneumoperitoneum duration.

肝撞击伤伴失血后肝动脉血流量的变化与失血量、气腹压力以及气腹持续时间等有密切联系。

Reneging on our commitments to the world's poor cannot be an austerity measure, she said.

放弃我们给世界上的穷国的承诺不能成为一种紧缩措施。