• 农业活动大气颗粒物重要来源之一

    Agricultural activity is one of the important sources of aerosol particle.

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  • 目的探讨大气颗粒物污染人群健康影响

    OBJECTIVE: Explore the adverse impact of ambient particulate matter pollution on human health.

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  • 尤其是低层大气颗粒物,对人体健康的影响重大

    Especially the particles in ground layer of atmosphere damage human health strongly.

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  • 研究北京市交通路口大气颗粒物中非烃类化合物污染特征。

    The pollution of non-hydrocarbons at the Chongwenmen crossing was studied through the analysis of particulates in the air sampled in June 2000.

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  • 大气颗粒物大气化学成分多相反应课题属于前沿课题。

    In this thesis, the heterogeneous reactions of SO_2 with oxides, atmospheric particles and mixtures were studied in the presence of oxygen.

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  • 介绍了国内外用于大气颗粒物解析研究受体模型进展情况。

    The development on the receptor modeling used to perform source apportionment of atmospheric particulates in ambient air was introduced.

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  • 近年来研究表明大气颗粒物可对机体心血管系统产生不良影响。

    Recent studies have shown a significant relationship between ambient particulate matter and cardiovascular diseases.

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  • 本文描述了TXRF技术基本原理应用它分析了环境大气颗粒物

    This paper introduces the principle of TXRF and analyzes airborne particulate matter.

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  • 研究了北京市典型交通路口大气颗粒物多环芳烃污染特征影响因素

    Pollution property of PAHs in the particulates in the air and its affecting factors at the traffic crossing in Beijing were studied.

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  • 大气颗粒物元素种态研究,对评价其毒性污染来源等有重要意义。

    The study on elemental speciation in airborne particulate matter (PM) is important for its evaluation of toxicity and source of pollution.

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  • 结论妊娠期哺乳期暴露大气颗粒物仔鼠中枢神经系统造成影响

    Conclusion Exposure to ambient atmospheric particulates in pregnancy and lactation periods can affect the central nervous system function of filial generation rats.

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  • 惯性冲击器重要颗粒物采样器之一,广泛用于大气颗粒物的分级采样。

    Inertial impactor is one of the most important particulate samplers, which is widely used for the atmospheric particulate classification.

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  • 利用常规监测数据结合颗粒物解析结果计算大气颗粒物环境容量目标总量

    Utilizing routine monitoring data, Target total amount of environmental capacity for air granule is calculated combined with analytic results of particle source.

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  • 粒度浓度颗粒物重要特征它们大气颗粒物的其它性质进行研究基础

    The research of morphologic eigenvalue is also basic, so it is necessary to measure the shape factor and fractal of particles.

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  • 研究表明;低标准道路绿化道路低空大气颗粒物污染成正相关,有非常显著意义。

    In this paper the writers beliered that making road green in Changsha , the low-altitude TSP pollution of main roads, and soil erosion of green area had been researched.

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  • 方法应用成都市大气颗粒物解析结果用其他多种源解析法得出的结果基本一致。

    Results of sources apportionment of atmospheric particulates in Chengdu using GA tallied with that of sources apportionment of other methods.

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  • 方法应用成都市大气颗粒物解析结果用其他多种源解析法得出的结果基本一致。

    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,...

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  • 大气颗粒物一种重要空气污染物详细分析大气颗粒物浓度的检测原理、检测方法

    The airborne particulates are an important type of air pollutants. This paper analyzes the principles and methods of the monitoring of the ambient airborne particulate concentration.

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  • 介绍了测定含量分光光度法,方法可以应用大气颗粒物中的痕量砷的敏感性测定

    The spectrophotometry method is introduced for arsenic determination. This method can be used for sensitive determination of arsenic in atmosphere particulates.

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  • 最后通过多元逐步回归模型计算出污染源南京市大气颗粒物中半挥发性有机物的贡献率

    Lastly the percentage contributions of various pollution sources to SVOCs on airborne particulates in Nanjing city were calculated using multiple regress models.

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  • 本文主要讲述大气颗粒物人体健康大气能见度、温度、降水等的影响防御措施

    This paper describes the impact of the atmospheric particulate matter on human health. Atmospheric visibility. temperature. precipitation and its defense measures.

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  • 戴安dx- 120型离子色谱仪测定大气颗粒物中的阴离子,对其分析过程进行研究。

    Anion in Air Granule is determined by DX-120 chromatographic instrument and analysis process is studied in this paper.

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  • 理论分析应用实践表明遗传算法用于大气颗粒物解析研究具有简便准确实用性强等特点。

    It is shown that GA is simple, precise and practical for sources apportionment of atmospheric particulates by the theoretical analysis and practical application.

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  • 夏季随着颗粒物污染加重,含硫颗粒物数目百分数增加北京市大气颗粒物污染重要特征

    When aerosol pollution was getting worse in summer in Beijing, increasing number percentage of S-containing particles featured the atmospheric aerosol.

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  • 给出了仪器校准过程实验数据,数据表明监测仪能够连续准确测量大气颗粒物质量浓度

    The calibration process is described and experimental data are obtained. The results show that this monitoring instrument can measure particulate mass concentrations continuously with high precision.

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  • 本文综述大气颗粒物重金属污染特性生物有效性方面研究进展,并对今后的研究方向进行了展望。

    Studies of the polluting characteristics and bioavailability of heavy metals in atmospheric particles have been reviewed in the paper. The future prospects of research were also disc...

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  • 大气颗粒物当前影响我国城市空气质量主要大气污染物,对气候、城市能见度人体健康等具有重要影响

    Atmospheric particulate matters, a main atmospheric pollutant that currently affect Chinese urban air quality, can bring important effects go global climate, urban visibility and human health.

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  • 结果建立发病死亡各个健康效应终点上,大气颗粒物浓度升高一定单位,人群不良健康效应发生相对危险度

    Results For each health outcome from morbidity to mortality changes, the relative risks were estimated when the concentration of air particulate matter increased some certain units.

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  • 本文利用透射电镜X -射线衍射技术酸雨危害较为严重重庆市市区大气颗粒物样品进行了较力细致的研究工作。

    Transmission electron microscope and X-ray diffraction were used to study airborne particulates collected in Chongqing, Sichuan Province, which are seriously damaged by acid rain.

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  • 本文利用透射电镜X -射线衍射技术酸雨危害较为严重重庆市市区大气颗粒物样品进行了较力细致的研究工作。

    Transmission electron microscope and X-ray diffraction were used to study airborne particulates collected in Chongqing, Sichuan Province, which are seriously damaged by acid rain.

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