Ground level ozone is created by a chemical reaction between sunlight and emissions from vehicles, thus hot, sunny days see a rise in the pollutant. 汽车排放的尾气,在阳光辐射下会发生化学反应,在近地面生成臭氧,因此气温炎热、阳光强烈的夏季易发生臭氧污染。
The control of gases involves the removal of the pollutant from the exhaust gas stream, a chemical change in the pollutant, or a change in the process producing the pollutant. 气体的控制包括:从排气流中除取污染物,使污染物产生化学反应,或改变产生污染物的流程。
Heat and mass transportation and chemical interaction in a hydrothermal system play a pivot role in dynamical processes of ore formation and pollutant migration. 介质中热质输运-反应体系对于热质成矿、污物迁移等十分重要。
Nitrite as a chemical pollutant has a bad effect on people's health. 亚硝酸盐作为一种化学性污染物,与人们的饮食、健康有密切的关系。
The evidences that chemical fertilizer was a pollutant and the reasons that it was misunderstood were analyzed in this paper. 并对化肥作为污染物的证据和对化肥误解的原因进行了剖析。
Since phenol chemical compound is permanent organic pollutant, phenol-containing wastewater treating has the high priority in water pollution control in our country. 酚类化合物属于持久性有机污染物,含酚废水在我国水污染控制中被列为需要重点解决的有害废水之一。
As a result of chemical conversion and decay, the primary pollutant decreases with the downwind distance more rapidly, especially as the mesoscale distance further than 10 km. 由于化学转换和衰减的作用,初生污染物随着下风距离而较快地减少,特别是在10公里以后的中距离上更加明显;
On the basis of sources, the environmental endocrine disrupter mainly included environmental estrogen, pesticide pollutant and chemical pollutant. 环境内分泌干扰物按来源主要包括环境雌激素、农药污染物及化学污染物三大类。
Chemical Fertilizer Cannot be a Pollutant 关于化肥是污染物的误解
The ability of nuclear analytical techniques in study of chemical speciation and its effects of pollutant should be made of use; 开拓核分析技术在环境污染化学种态及其效应研究中的能力;
The current research development was reviewed and several related issues how to introduce environmental harmfulness coefficient and how to correlate the exergy of chemical pollutant with environmental impact were discussed. 并介绍了相关的研究进展,对环境危害系数的引入及如何与火用关联进行了探讨。
Methods The physical characteristics, chemical pollutant contents and the numbers of microorganisms in the bedding materials made from cornstalk, wheat straw and wood shaving were measured and analyzed. 方法对玉米秸、麦秸进行合理加工,测定并比较玉米秸、麦秸、刨花的物理性状、化学污染物含量及携带的微生物数量。
Effluents from knitgoods dyeing plant feature complex chemical constitution, deep shade and high organic pollutant. 针织物染色废水的水质复杂,色度深,有机污染物含量高。
The Application of Chemical Mass Balance Model Method for Pollutant Source Solution in Hong Kong 化学质量平衡模型在香港污染源解析中的应用
Comparison of somatic mutation frequencies at HGPRT locus induced by radiation and chemical pollutant from energy system 能源循环释放的辐射和化学污染物致体细胞HGPRT基因位点突变的比较研究
In order to make the air environmental administration of chemical industry area agile, this paper take helpful discussion on air pollutant's emissions trading of chemical industry area, and it gives an example for "bubble" policy simulation. 为了使化工园的大气环境管理具有灵活性,本文对化工园区的大气污染物排污权交易进行了有益的探讨,并举了一个泡泡政策模拟的实例。
According to the pollution source emission characteristics in Hong Kong district, applying chemical mass balance model ( CMB8 model) for the pollutant source solution analysis to get pollutant contribution to acceptor regions for each pollutant source. 根据香港地区污染源排放特点,应用化学质量平衡模型(CMB8模型)进行污染源解析分析,得出每个污染源对于受体地区颗粒物样本的排污贡献率。
Electrophile chemical is the major pollutant in the environment, this is very concerned by many of environmental scientists. 亲电性化学物是环境中的主要污染物,所以越来越引起环境科学研究者的高度关注。
It was put forward that chemical fertilizer itself wasn't a pollutant, and it was only a contaminative factor. 指出化肥本身并不是污染物,仅能称为污染因子,造成化肥污染的根本原因是施肥不当。
Through to the reason that pollution takes place in the chemical laboratory and analysis of the characteristic, Point out the danger to experiment personnel of pollutant, has recommended reducing some measures to the air pollution of the laboratory of chemical reagent in the experiment. 通过对化学实验室发生污染的原因及特点的分析,指出污染物对实验人员的危害,介绍了减少实验中化学试剂对实验室空气污染的一些措施。
The fractal technology of flocs has been applied in the chemical enhanced treatment to treat organic pollutant in the water in this paper. 将絮凝体分形技术应用到化学强化方法处理水中有机污染物进行研究。
A study on chemical pollutant in Chengdu inhabitant's total diet 成都市城乡居民总膳食中化学污染物污染状况的研究
The chemical industry pollutant type are many, through in principle considered from the environmental monitoring stationing, the reasonable stationing may reduce the pollutant to the environment pollution, protects the peripheral environment, also is advantageous to the chemical enterprise's development. 化工行业污染物种类多,通过从环境监测布点原则上考虑,合理的布点可以降低污染物对环境的污染,保护周边环境,也有利于化工企业的发展。
Phenolic compound is an important chemical raw materials and intermediate, Phenol wastewater is a kind of pollutant with poor biodegradability which is widespread. It is harmful to human and environment. 酚类化合物是重要的化工原料和中间体,由此产生的含酚废水广泛存在,是可生物降解性极差的废水,对动植物和环境等危害严重。
The basic theory of the health risk assessment is elaborated in terms of the relationships between the mechanism for humans to absorb the pollutant, the dose of the absorbed pollutant, the toxicity of chemical substances, the pollutant intake and the adverse effects on human health. 从人体摄取污染物质的机制与剂量、化学物质毒性和污染物摄取量与人体不良健康效应之间的关系阐述了健康风险评价的基础理论。
Nitrobenzene ( NB) is an important chemical industrial raw material generally used, however, it is also a considerable environmental pollutant which has been preferentially monitored by American Environmental Protection Bureau. 硝基苯(NB)是一种应用广泛的重要化工有机合成原料,但同时也是环境中重要的污染物之一,并被美国环保局规定为环境中优先监测污染物。
These medical wastes showed great danger to public as they included some noxious substances, such as contagious bacteria, virus, chemical pollutant and radioactive substances. 废物中可能存有传染性病菌、病毒、化学污染物及放射性等有害物质,具有极大的危险性。
Using the FLUENT software and chemical reactor network, the pollutant emission from the combustion chamber is calculated. Referring to the prototype combustor, we get the ultimate pollutants emission. 使用FLUENT软件和化学反应器网络法对该燃烧室的污染物生成及排放进行计算,参照原型燃烧室的出口NOx排放量,确定其最终的出口污染物排放值。
Cadmium is a kind of environmental chemical pollutant, it is accumulation in animal and plant through water, air and soil which was polluted by cadmium. And liver was the initial part of cadmium accumulation and toxicity produce in the bady. 镉是一种环境化学污染物,可通过水、空气和土壤的污染在动植物体内蓄积,而肝脏是体内最初镉积累和产生毒性部位,镉对动物肝脏的毒性作用可引发细胞内质网应激。