水质污染

No combined exploitation of paretic water

第四十三条在开采多层地下水的时候，如果各含水层的水质差异大，应当分层开采；对已受污染的潜水和承压水，不得混合开采。

This research work involves Environmental Hydrogeology, Pedology, Environmental Microbiology and Chemistry, which belong to the cross study field of poly-sciences.

可以预见，本文的研究对于保护地下水水质免遭面源污染及指导正确施用农药都具有重要意义。本论文涉及环境水文地质学、土壤学、环境微生物学及化学学科，属于多学科交叉研究领域。

Requirement and processing method of the experimental water used in the process of Permanganate Index measurement are introduced briefly in this paper.

高锰酸盐指数是水质监测的主要项目之一，它是地表水和地下水受还原性无机物和有机物污染的重要衡量尺度。

By integrating the backmixing theory of Reaction Engineering with predictive model of river pollution in Environmental Quality Assessment study, the predictively longitudinal dispersion model of river quality was got and analyzed.

摘要将反应工程学的返混理论与环境质量评价学的河水污染预测模型结合，得出了河流水质预测纵向扩散模型，并给出了解析解。

The wasted water treatment was discussed and the detailed advice was given on the design of water supply and drainage system for chemical cleaning and premeditation.

在理论研究的基础上，CWY清洗预膜剂和CWH-99缓蚀剂从实践的角度解决了水质稳定处理中的环境污染问题，在清洗预膜剂的研制与应用中，本文还从系统设计的角度系统地提出了改进措施及技术要求，给出了整套排水净化方案。

Because of the radioactivity in waste water of rare earth factories,the purificatory principle of radioactive waste water,and adsorption of some clay minerals and soils for rare earth was studied.

基于稀土厂废水的放射性，吸取水质放射性污染净化原理与多种粘土矿物和土壤对稀土的吸附性，探讨稀土厂废水放射性的净化技术。

Fully utilizing river' s own energy to reaerate for river, increase the DO concentration of city river polluted water and improve the water quality by the riverway artificial structures, such as dams and weirs, this is a effective method which is of tremendous social and economic benefit.

通过河道人工建筑物，如坝、堰等，充分利用河流本身所蕴藏的能量为河流复氧、提高城市河流污染水体的DO含量、改善水质状况，是一条可以带来巨大社会效益和经济效益的有效途径。

This paper introduces the distribution of sampling points and water sample analysis method and analyzes pollution components of N, P and COD in water sample.

介绍了水质采质采样点的分布情况和水样分析方法。对水样中的N、P污染成份及COD进行了分析。

Thin and flat sand mining, beach slow and clear water, tidal flat and the difference is small, which lasted for nearly a hundred years; low level of water pollution, water quality, clean, plenty of sunshine is to carry out swimming, sunbathing, sand bath, beach activities and marine tourism, marine the best place to swim.

海沙细而平矿，滩缓而水清，潮平而差小，延绵近百里；海水污染程度低，水质清洁，阳光充足，是进行海水浴、日光浴、沙浴、沙滩活动与海上观光、海上游动的最佳场所。

Foam equipment used for sea slug and water quality should be clean, not contaminated with oil, alkali and other debris easily contaminated, because sea cucumbers case of oil and alkali could easily lead to rot.

泡发海参所用的器具和水质要洁净，不能沾油、碱和其它易污染的杂物，因海参遇油和碱易造成腐烂。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。