This paper concisely introduced the basic principal of ultrasonic degradation of chemical pollutants in water,and reviewed advancement of research from two aspects i.
本文简要介绍超声降解水体中化学污染物的基本原理，从所研究物系和影响因素两方面较为详细地综述了近年来有关这方面的研究状况，介绍超声降解的两个发展方向，并指出该技术走向成熟所面临的几个问题。
Changes of typical chemical pollutants in the environment and their ecological effects have been approved as a major project of the eighth five-year plan by National Natural Science Foundation of China and will be carried out from 1992 to 1995.
国家自然科学基金“八·五”重大项目——“典型化学污染物在环境中的变化及生态效应”已被批准立项,并将于1992—1995年内付诸实施。
The effects of these chemical pollutants on the ocean ecology and their harms to humanbeing are discussed.
本文系统阐述了海洋中的主要污染物如重金属无机盐类、有机氯和有机磷类、石油烃类和放射性物质的来源与含量 ,介绍了这些化学污染物对海洋生态环境已造成和可能造成的危害 ,论述了由于海洋生态环境遭到破坏对人类的危害。
Through the practice of room organic chemical pollutant testing, bring forward GB50325-2001 Control Standard of Room Environmental Pollution for Civil Architecture Engineering (2006) and some problems existing in the practical use of testing standards of a few decorative materials.
通过室内有机化学污染物的检测实践,对《民用建筑工程室内环境污染控制规范》GB50325-2001(2006版)以及部分装饰装修材料检测规范在实际应用中存在的一些问题,分别从室内空气污染季节性变化、室内空气质量评价、结果判定以及板材和木制家具检测方法等方面予以讨论,并提出了自己的看法。
The measurement of the chemistry contamination materialof indoor environment is a foundation to study and solve the indoorenvironment problem.
室内环境中化学污染物质的测定是研究和解决室内环境问题的基础。
Research on Adsorption Decontamination Materials for Indoor Gaseous Chemical Pollutants
室内气态化学污染物吸附净化材料的研究
Research on Red Mud Used as Adsorption Purification Materials for Environmental Chemical Pollutants
赤泥用作环境化学污染物吸附净化材料的研究
chemical residue and contaminant
化学物质残滓及污染物
chemicals poisoning the lake;
污染湖泊的化学物质；
biogeochemical cycle of pollutants
污染物的生物地球化学循环
Biogeochemistry of Organochlorine Pollutants in Hongfeng Reservoir;
红枫湖有机氯污染物的生物地球化学
A Combined Purification Process of Biological and Chemical Methods for Polluted Gas
污染气体的生物与化学组合净化工艺
Research on Chemical Speciation Analysis of Pollutants in Sewage Sludge;
城市污泥中污染物的化学形态分析研究
a river contaminated by chemicals
受到化学物质污染的河流
Contaminated instruments and floor surfaces should be chemically disinfected.
污染的器材和地面要用化学药物消毒。
The soil bas been poisoned with chemical waste from the factory.
工厂里排出的化学废物污染了土壤。
Research progress of heavy metals pollution chemistry in soil-plant system
土壤重金属的植物污染化学研究进展
The results show that there are hazards such as biological,chemical and physical contamination in the production of instant noodle sauce.
结果表明,方便面酱包生产中存在微生物污染、化学污染、物理污染等危害;
Physicochemical and Microbial Characterization of Mercury Contamination in Soils;
土壤汞污染的物理化学行为及其微生物学特征
Physicochemical and Biological Characterization of Lead Contamination in Garden Soils;
菜园土壤铅污染的物理化学行为及生物学表征
Electrochemical Detection of Environmental Pollutants Based on Chemical Modified Electrode
基于化学修饰电极的环境污染物电化学检测
Study on Degradation of Petroleum Contaminants in Soil by Chemicai Oxidation Technology;
土壤中石油类污染物的化学氧化净化法研究
A preliminary study on oxidative chemical remediation of soils contaminated with cyanide
氰化物污染土壤的化学氧化修复方法初步研究