查询词典 water pollution

Based on a long -term located field e xperiment,risk of different fertilization models in rice field on water environment pollution in a sloped red soil was ass essed by using ceramic tubiformsoil solution collectors.

利用长期施肥模式定位试验，采用陶土管土壤溶液采集装置，研究了南方红壤丘陵区稻田不同施肥模式对农业水环境的影响。

The imminent prospects of water shortage and pollution is also a matter of "A clay idol fording a river, and unable to save itself."

何况，三峡工程一出，长江流域也将危机四伏，迎来缺水污染局面，也是泥菩萨过江，自身难保。

Currently, many countries and social organs have paid close attention to pain pollution that has imposed great harm to the society. To meet the international standard, relevant laws and regulations have been working out in China. Beijing declared a ban on market entry of paint solvent in 2005; in Aug. 2005, the national 3L Certification stopped, making it a trend to use hazardless and non-toxic water carpentry paint.

目前油漆污染在全社会有着极大危害，许多国家及社会团体对此近十分关注，为了与国际接轨，中国也在制定相关法规和标准，北京于2005年宣布禁止油性漆进入市场，2005年8月国家停止油性漆企业的3L认证，因此大力推广无公害的水性木器漆势在必行。

Improve the pollution prevention and protection of water resources of upper reaches of rivers and headwater areas.

加强江河上游和源头地区水资源的污染防治和保护工作。

In recent years, the agricultural nonpoint pollution has threatened the water quality protection of headwater area in reservoir.

近年来，农业面源污染对水库水源地的水质保护形成了威胁。

The recent advancement of the relevant study on hexavalent chromium pollution in electroplating waste water is reviewed.

Cr主要被吸附在固体物质上面而存在于沉积物中；Cr多溶于水中，而且是稳定的，只有在厌氧的情况下，才还原为Cr。

The silicone rubber membrane used in SRMBR is a polymer-made non-porous material. It is hydrophobe and non-permeable to inorganic salt, and has the high selective ethanol permeability. Compared to the conditional separation technology, the pervaporation through SRM has the advantages of low-cost and low-pollution, especially applicable to separating volatile matter from organic matter-water system or organic-organic matter system.

其中的硅橡胶膜作为一种均相聚合物材料无孔膜，具有不透无机盐成分、疏水和对乙醇有较高选择透过性等特点；与传统分离技术相比，硅橡胶膜的渗透蒸发分离过程具有低能耗、污染少等优点，尤其适用于在有机物-水或有机物-有机物体系中分离挥发性有机物组分，现已用于发酵下游产物分离处理的试验研究中，并取得初步成效。

The new conflicts, deterioration and impropriation of water and land bring on many negative effects on regional environment in Chinese coastal cities, such as acid rain, urban pollution, automotive fog and traffic jams.

我国快速城市化过程中出现的新矛盾、水土资源流失与大量占用，对沿海地区一些城市的区域环境产生了很多负面影响，诸如酸雨、城市污染、汽车烟雾和交通阻塞等。

Water-borne polyureyhane has on the environment, pollution-free, non-combustible, innoxious, wide adaptability.

水性聚氨酯粘合剂具有对环境无污染，不可燃、无毒，适应性广等优点。

The research aim is to make certain relatively class and area of jinan karstic aquifer to the pollution of human being activity, to provide technical sustain to the protection of the karstic water resources, soil and resources exploritation in reason and layout of city construction.

本次研究的主要目的就是通过评价，确定济南泉域含水层容易受到人类活动污染的相对级别及范围，为济南泉域岩溶水资源的保护、国土资源的合理开发与城市建设的规划提供技术上的支持。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。