水净化

According to water circular system revampment of Gas Purification Plant of Northwest Sichuan, the principle of the frequency conversion speed control technique of water circular pump is discussed.

结合川西北净化厂循环水改造工程的实际工况，论述了循坏水泵变频调速节能原理。

We emphasize to study and demonstrate the clean coal technology including water coal slurry, micro coal powder and sulfurization bed etc.

重点开展清洁煤技术(水煤浆、微煤粉、硫化床等)研究与示范；锅炉烟气净化技术开发与示范应用；天然气冷热电联供系统研究与示范等。

This paper introduces the design of cooling water cycle with the early and cold water from original coal gas , impurity benzene and vaporing ammonia in Guangzhou steel Company It uses wastewater by treatment as adding water .

本文介绍广钢焦化厂原煤气初冷水，粗苯和蒸氨系统的冷却水循环系统的设计，将焦化废水净化处理后作为补充水，旁滤系统保证了循环水质能达到工艺要求。

Formation waer influence the efficiency of borehole cleaning, if it can't be found in time, it is very unfavorable for gas drilling.

地层水进入环空将影响井眼的净化效率，如果不能够被及时发现，对气体钻井非常不利。

Methods: The pesticides were extracted with acetone and dichloromethane. The extract was warmed with water at 80℃, circumrotated and evaporated until it was nearly dry. Then it was cleaned-up by Envi-Carb column and Sep-Pak-NH2 column.

本法采用丙酮、二氯甲烷提取，40℃水浴旋转蒸发近干，以Envi-Carb柱和Sep-Pak-NH2柱净化，以气相色谱－质谱选择离子监测方式分析检测有机磷、有机氯、氨基甲酸酯和除草剂等32种农药残留。

The goal there is to be able to store large amounts of water and keep it disinfected.

它的目标是能够储存大量的水并是它净化。

The goal there is to be able to store large amounts of water and keep it disinfected.

这个的目的是可以储存大量经过净化的水。

The goal there is to be able to store large amounts of water and keep it disinfected.

目的是可以存储大量水，并保持净化状态。

The thesis also analyzes the services of ecosystems and comes out the result that there are 8 main types of ecosystem service, including material outputting, air ingredients controlling, flood controlling, water resource reinforcing, purifying, habituating, culture service and leisure service.

将各种生态系统所提供的服务功能内容进行了分析。分析得到盘锦地区各类生态系统提供的服务功能主要分为8类，即物质生产功能、调节大气功能、均化洪水功能、补水功能、净化功能、栖息地功能、科研文化功能、休闲娱乐功能。

L Output products include water, CO2 and halogen acids (in the case of halogenated waste treatment).

l 经处理产生的物质包括：水， CO2或卤素酸，它们再进入净化系统进行处理和冷却。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐