Hydraulic Calculation for Backwash of Single Valve Filtration Tanks

1、

Compound dictation in CET and its backwash effect on language teaching

CET中复合式听写及其对教学的反拨作用

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2、

An effective way to make the backwash effect of the test positive is to improve its validity.

提高测试效度是使测试反拨作用趋于积极的有效手段。

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3、

The Backwash Effect of New CET4 Listening Item on Teaching

新大学英语四级听力测试对教学的反拨作用

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4、

A scientific test exerts backwash effect not only before but also after the test.

一项科学的测试不仅在考前更应在考后能对应试者产生积极的反拨效应。

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5、

The Backwash Effect of Listening Testing on Students' Linguistic Integrated Competence

听力测试对学生的语言综合能力的反拨效应

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6、

A Study of Backwash Effect in Language Testing

语言测试的后效研究

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7、

The foreign progress in the application of membrane technology to drinking water production and backwash water reuse is reported.

介绍国外膜技术在生产饮水及反冲洗水回收中的应用进展。

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8、

Technology Incubation Centre Treatment Design of Waterworks Clarifier Sludge and Filter Backwash Water

技术孵化中心（技孵中心）水厂澄清池排泥水和滤池反冲洗水处理工艺设计

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9、

Reuse of Sand Filter Backwash Water Using Membranes

使用薄膜再利用沙粒过滤器的回流水

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10、

Reuse of Filter Backwash Water and Improvement of Coagulation Properties

滤池反冲洗废水回用和混凝性能的改善

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11、

Study on direct recovery of backwash water of filters

净水厂直接回收滤池反冲洗水的工艺研究

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12、

Technical Progress of Treating and Reusing Filter Backwash Water in Water Plants

自来水厂滤池反冲洗废水处理及回用技术进展

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13、

Quality of the backwash water and treated water was studied.

试验研究了两套处理系统的膜反洗水和处理后出水的水质。

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14、

PCF varying pore fiber filter is a water treatment device, which has such characteristics as high filtration accuracy, backwash thoroughly, filtration rate as high as 100 m3/ ( m2 · h), low self water consumption.

PCF孔隙调节型纤维过滤器是一种过滤精度高、反洗彻底、滤速可达100m3/（m2.h）、自用水率低的水处理设备。

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15、

Cannot count lines backwards! ( Internal error) { 0}, { 1}

无法向后计算行数！（内部错误）{0}、{1}

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16、

The N content per unit leaf area was the highest in the second leaf count backwards, and that of decrepit leaf was about the 1/ 3 of the normal leaf.

单位叶面积含N率以倒数第2展开叶最高，衰老叶片只有正常叶片的1/3左右。

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17、

If you knew in advance, you could have, actually, your car's mileage counter to count backwards from the point where the car will die and start walking.

如果你事先知道，你可以倒着走，用里程表计算从起点到终点的路程。

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18、

Aren't you usually the second count backwards? What to do with so bad result?

补考。我的成绩一直很稳定。因为平时考倒数第一的人生病了。

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19、

Aren't you usually the second count backwards?

平时都不是考倒数第二的吗？

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20、

I want you to snap your fingers exactly 50 times, or count backwards from 100 by seven, like this: 100, 93... Go!

我想你们打50次的响指，或者从100开始，每隔七位数倒数，100，93……开始！

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