净化的

Main purification role is played by artificial medium and aquatic macrophyte in pollutants removal, but the Corbicula fluminea introduced to food chain of combined floating bed enhances the purification effect through the ways as follows: improving the resolvability, ammonification and biodegradability of particulate organic matters, meliorating the substrate supply condition for absorption of plant and degradation of microorganism attached on artificial medium, hastening the growth and activity of microorganism.

污染物的直接净化主体为人工介质和水生植物单元，但在生态浮床中引入河蚬增加水生动物单元，通过食物链的"加环"作用，提高了颗粒性有机物的可溶化和无机化以及可生化性，改善了植物吸收以及人工介质单元生物膜中微生物的基质条件，促进微生物的生长和活性，提高了浮床的净化效果。

Separation of the sub-quality part of the ore and the barren rock is exercised by the fractionated screening of each size of the ore by application of the lump size X-ray spectral separation and the small-portion X-ray spectral classification with the following purifying operations of the tail products of the main processes for each of the fraction, which are similar to the main processes.

在应用大规模的X射线光谱分离和小部分X射线光谱分类分级筛选不同大小的矿石的基础上，对次级矿石和贫矿石进行净化处理。然后，对各部分主要过程的尾矿进行净化处理，各个小部分的处理方式都类似于主要部分的处理方式。

There are one spray gun connected to a reciprocator on the base, one rotating locator set below the spray gun and locating with the sprayed barrel bottom, one circulating and purifying water curtain system opposite to the spray gun to purify the sprayed fog, and one PLC controller set on the base to regulate the spraying.

其喷枪与一安装在机座上的往复装置连接，机座上、位于喷枪的下方设有一利用喷涂钢桶之桶底进行定位并驱动喷涂钢桶转动的旋转定位装置，同时在机座之喷枪口朝对的一侧设有水帘循环净化系统，内喷机之喷涂区间的喷雾经过该水帘循环净化系统后排出，所述内喷机的喷涂调节由安装于机座上的PLC控制器控制。

It was shown that, the flow pattern in the EMPT was more complex than that in traditional one, that is, in the column chamber, the short circuit flow from the outlet nozzle of the ladle was depressed by the rotating molten steel, and horizontal recurrent flow appeared in rectangular chamber, which prolonged the average staying time of the molten steel, then reduced the volume fraction of inactive area in EMPT.

结果显示，电磁净化中间包的流场比传统中间包的流场复杂：在圆形腔中，旋转运动抑制了大包水口至矩形腔的短路流，而在矩形腔中形成水平环流，从而延长钢液在中间包的平均停留时间，死区减小，电磁净化中间包的上述流场结构及传输行为对钢液中的非金属夹杂物去除非常有利。

Some water samples from intakes and outlets of 3 wetland pond beds growing Phragmites communis Trin, Typha angustifolia and Cyperus alternifolius were respectively taken for monitoring and contrasting 5 main water quality indexes including dissolved oxygen, chemical oxygen demand, biochemical oxygen demand in 5 days (BOD5), total nitrogen, and total phosphorus month by month all year around, so as to discover influences of different plant species on water purification efficiency.

摘 要：通过对成都活水公园人工湿地中的3种优势挺水植物所在塘床进出水口的5个主要水质指标：水中溶解氧（dissolved oxygen， DO）、化学需氧量（chemical oxygen demand， CODcr）、5日生化耗氧量（biochemical oxygen demand in 5 days， BOD5）、总氮（total nitrogen， TN）、总磷（total phosphorus， TP）的全年逐月对比监测，探索不同植物种类对污水净化效率的影响，并对湿地中不同植物塘净化效率产生差异的原因作了较全面的分析讨论。

That's where water treatment comes into the picture. A water treatment plant purifies the water by adding coagulant that precipitate impurities and particles in the water, allowing it to be flocculated and filtered. Chlorine is then added as a disinfectant before it can properly be called "tap water".

滤水厂将收集到的原水净化，一般都是将凝集剂加入原水中，使混杂於水中的悬浮物凝集成较大的粒块，再经过沉淀、过滤的净化过程，最后加入氯气消毒才能成为「滤水」。

A thermodynamics and dynamics study is made about the mechanism of Zinc powder displace Cobalt during purifing Zinc Sulphate solution.

对硫酸锌溶液净化过程中锌粉置换钴的机理进行了热力学和动力学研究，通过不同粒度的锌粉、自产锌粉和合金锌粉的对比试验，结果表明：使用Pb-Sb-Zn合金锌粉有利于降低净化过程的锌粉消耗，现已应用于生产实践，降低了生产成本。

The operation outline of the water supply and purification station in the Pulp Plant of 200T/d in Myanmar: water from river is pumped to the two clarifiers of φ25 in the purification station via intake pump house, and flows through the filtering pond and the clear-water reservoir where it is fed to all workshops through the clear water pump house.

缅甸200T/d浆厂给水净化站生产概况：河水经取水泵站将原水抽送到净化站的两座φ25圆形澄清器，经滤池、清水池，最后由清水泵房将水送至各车间斜板沉淀池设计，同时缅方工艺中增加一条生产水经加氯消毒处理后的生活用水管线，缅方的整个水处理工艺依然是采用化学、物理的方法来达到除去水中杂质的目的。

Method］ With 3 kinds of representative local duckweed varieties selected from the each sample place in Yangzhou City and Kunshan City resp. as the tested materials and the anaerobic wastewater diluted at 5 times and 10 times from the cattle Farm as the tested sewage,10 groups of purification treatments matching with 5 different duckweeds on 2 concn. of sewage were set up to investigate the effect of different duckweed variety on the purification effect of N and P in sewage with different concn.

方法］ 从扬州市和昆山市各采样点选取的当地3种有代表性的浮萍品种为供试材料，以经稀释5倍、10倍的牛场厌氧废水为供试污水，设置5种不同浮萍对2种不同浓度污水的10组净化处理，在实验室条件下考察了不同浮萍品种对不同浓度污水氮和磷的净化效果。

There are combining protuberances on the bottom of the first and the second air purifying units, while combining grooves to embed the combining protuberances on the top.

在第1及第2空气净化单元的底面的各角落突出有结合突起，在第1及第2空气净化单元的上部的各角落形成有嵌入各结合突起的结合槽。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。