查询词典 water pollution

In addition, the costs of municipal and industrial wastewater disposal for water quality protection and pollution abatement are increasing.

此外，城市和工业废水处理费用的水质保护和污染控制日趋活跃。

Purpose and Methods : In this study , the micronucleus test and comet assay of V ice f aber were used to screen pollution situation of the surface water of Yangzhong city.

目的与方法：本文应用蚕豆根尖微核技术和彗星试验对扬中市不同水体的遗传毒物污染状况进行了初步调查。

However, there are a series of problems of environment at the same time, such as losing of soil and water, air pollution, climate abnormity etc.

同时，随着经济的发展也带来了一系列的环境问题，如水土流失、空气污染、气候异常等。

The experts of Environment Protected Academe took a research of preventing pollution from air and water in this area.

环境保护研究所的专家们对如何在这个地区防止空气污染与水污染进行了调查。

Research and application of activated carbon adsorption technology is the important subject to solve the drinking water of organic pollution.

研究和应用活性炭吸附技术是解决饮用水有机物染的重要课题。

This paper was focus on Dianshan River which is one of the most important water sources of Shanghai. We study the distribution, speciation and transformation rule of Cu, Cd, Cr, Hg, Pb and As in sedimentary record. In addition, the history of development of industries and agriculture were also taken into account to study the heavy metal pollution history in the study area.

本文以上海的重要水源地——淀山湖为研究对象，通过对研究区沉积物中重金属元素Cu、Cd、Cr、Hg、Pb、As的时空分布规律以及它们在沉积物中随时间或沉积深度的形态分布及迁移转化规律的研究，综合考虑区域工农业发展现状和历史对沉积物中重金属元素含量及分布的影响，对区域重金属污染历史及效应进行分析论证。

A Brief description: The whole producing procedure id assured to be safe and sanitary by producing water safe control, sanitary control on food contact face, employees health and sanitation control, sanitary control of hands washing sterilizing and toilet room, cross-pollution control, poisonous chemical drugs control, food adulterant control, pest control and SSOP monitoring procedure.

简述：通过对生产用水的安全控制，食品接触面的条件和清洁度控制，交叉污染的防御控制，洗手消毒及卫生间设施的维护控制，防止掺杂物的污染控制，正确的标记，贮存以及有毒化合物的使用控制，雇员健康卫生的控制，虫害控制及SSOP监管程序确保整个生产操作过程安全卫生。

In this paper we analyzed the CO and NO X emission from water heaters and the pollution to kitchen environment by using the test data in kitchen environment and the concentration of harmful gas in flue gas discharged from water heaters working in different conditions.

利用燃气快速热水器在不同使用工况下，烟气中有害气体含量及厨房环境测试数据，分析了热水器排放及其对厨房环境的污染情况。

Microorganism desulphurization technology is important for the society, enviroment and economy due to its such advantages as easy process, low cost, less consumption, needless of high temperature, pressure and catalyzer, and no repollution in the treatment of sulphur-containing pollution. The sulphate waste water biodesulphurization technique and sulphide waste water biodesulphurization technique were designed out based on the metabolic mechamism of sulphate reducing bacteria and colorless sulpher bacteria.

微生物法脱硫技术具有工艺简单、成本低、能耗少，无需高温、高压、催化剂、无二次污染等优势，是治理含硫污染物的重要技术，具有重要的社会、环境和经济效益。

There was a heated dispute between the merit and fault of water hyacinth on purification or pollution in water-bodies.

凤眼莲在城市河湖的污染与净化中的是非功过争议很大，双方意见均有部分正确，但各有片面性。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。