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- As a graduate, I once participated in an experiment in which we gauged the atmospheric particulates of Beijing. 每个大国都要养活其公民,而外国人的这些图片却没有看到这一点,反而造成了误导。
- The air pollution caused by atmospheric particulates in Beijing city is one of the problems to be solved. 北京市大气颗粒物造成的城市空气污染仍是目前亟待解决的问题之一。
- The distribution of PAHs on various diameters of atmospheric particulates,and the correlation between ben... 笔者还对多环芳烃在不同粒径颗粒物上的分布特征、苯并(a)芘与大气颗粒物进行相关性分析和评价。
- The development on the receptor modeling used to perform source apportionment of atmospheric particulates in ambient air was introduced. 介绍了国内外用于大气颗粒物源解析研究的受体模型的进展情况。
- It is shown that GA is simple,precise and practical for sources apportionment of atmospheric particulates by the theoretical analysis and practical application. 理论分析和应用实践表明了遗传算法用于大气颗粒物源解析研究具有简便、准确和实用性强等特点。
- Results of sources apportionment of atmospheric particulates in Chengdu using GA tallied with that of sources apportionment of other methods.It is shown that GA is simple,... 该方法应用于成都市大气颗粒物的源解析结果与用其他多种源解析法得出的结果基本一致。
- The distribution of PAHs on various diamete rs of atmospheric particulates,and the correlation between benzo(a)pyrene and TS P or the other PAHs were analyzed and assessed. 笔者还对多环芳烃在不同粒径颗粒物上的分布特征、苯并(a)芘与大气颗粒物进行相关性分析和评价。
- The development trend for the research on the mutagenicity of atmospheric particulates has also been pointed out in order to provide some references for the future research work. 展望了当前大气颗粒物致突变性研究工作中的发展趋势,以期对日后的研究工作提供参考依据。
- The atmospheric particulates in typical areas in Ti anjin were measured.58 kinds of PAHs are determined and 11 kinds of them were an alyzed quantitatively. 通过对天津市内的几个典型地区大气颗粒物进行测定,检测出58种多环芳烃,并对11种多环芳烃进行定量测定。
- Compared with the results from other methods, it shows that the application of BP neural network to sources apportionment of atmospheric particulates is practicable. 将BP源解析法的计算结果与其它源解析法得到的结果比较,表明BP网络应用于大气颗粒物的源解析是可行的。
- Analytical results demonstrate that atmospheric particulates come mainly from concrete industry and traffic, and partly from air dust and soot of industrial stoves in Hefei City. 综合分析结果揭示合肥地区大气颗粒物主要源水泥工业和交通造成的污染,部分来源于地面扬尘和工业窑炉。
- The atmospheric particulates in typical areas in Tianjin were measured.58 kinds of PAHs are determined and 11 kinds of them were analyzed quantitatively. 通过对天津市内的几个典型地区大气颗粒物进行测定,检测出58种多环芳烃,并对11种多环芳烃进行定量测定。
- Optimal contribution rates of atmospheric particulates of each pollution source were calculated by using GA to optimize the parameters in CMB equation sets of sources apportionment of atmospheric particulates. 将遗传算法用于大气颗粒物源解析的CMB方程组中参数的优化 ,得到各污染源对大气颗粒物的优化贡献率。
- The mutagenic activity of each of these fractions was studied with Ames test using TA1537, TA98 and TA100 strains with or without S-1. The results indicate the presence of mutagens in atmospheric particulates from various locations at different seasons. 用Ames试验(用TA1537、TA98和TA100三株菌.;加与不加S-1)对其致突变活性进行了研究
- The great progress in the mutagenicity of atmospheric particulates and several common experiments about the research on the mutagenicity in the world has been systematically expounded. 论文简述了不同分类条件下大气颗粒物对人体健康的危害,系统阐述了近年来国内外对大气颗粒物致突变性的研究进展和常用的致突变性研究的试验方法。
- Chromium copper lead manganese zinc nickel and iron in atmospheric particulates were determined by ICP-AES with a new sampling method of atmospheric particulates using polypropylene filter. 摘要聚丙烯膜采集大气颗粒物中的铬、铜、铅、锰、锌、镍和铁,消解后用ICP-AES法进行测定。
- Some examples of applying PIXE on the atmospheric particulate are briefly introduced in this paper. 摘要概述了PIXE分析技术在大气颗粒物特性、来源等研究中的几个应用实例。
- The distribution characteristics of grain-size and chemical element characteris tic of atmospheric particulate matter in Jingzhou were studied. 摘要分析了荆州市大气颗粒物粒径的分布特征和化学元素组成特征。
- Next on its list of worries is local pollution caused by sulphur dioxide, atmospheric particulate matter and wastewater. 中国的烦扰问题排行之二,是二氧化硫、大气颗粒物与废水导致的地方性污染。
- What's the atmospheric pressure today? 今天的气压怎么样?