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大气光化学    
相关语句
  atmospheric photochemistry
    Black carbon aerosol is an important component of the atmospheric aerosol. It plays significant role in the processes of atmospheric physics, atmospheric chemistry, atmospheric optics, and atmospheric photochemistry.
    黑碳气溶胶是气溶胶的重要组成部分,在大气物理、大气化学、大气光学、大气光化学等过程中具有重要作用。
短句来源
    The coupling relations of ozone with atmospheric photochemistry and aerosols are reviewed. Moreover,according to real situations in China,some important scientific problems are put forward for the future research on atmospheric ozone chemistry.
    综述了臭氧与大气光化学和气溶胶间的耦合关系,并结合我国实际情况,提出了大气臭氧化学尚待深入开展研究的一些重要科学问题。
短句来源
    Based on surface atmospheric photochemistry concentration observation data in summer of 2003 in Beijing observation station,ozone concentration of exceeding standard day,ozone precursor concentration and the distribution characteristics of ozone concentration in different weather conditions were analyzed.
    根据2003年北京夏季近地面大气光化学污染物观测资料,对中国气象局培训中心(代表站)O3超标日浓度、O3前体物浓度、不同天气条件下O3浓度分布特征等进行分析。
短句来源
    All these were significant to research and prevention of atmospheric photochemistry pollution.
    这些污染物发生的特点和规律对北京大气光化学污染的研究和防治具有借鉴意义。
短句来源
  atmospheric photochemical
    The Study on Pollution of Atmospheric Photochemical Oxidants in Beijing
    北京市大气光化学氧化剂污染研究
短句来源
    A COMPARISON OF ATMOSPHERIC PHOTOCHEMICAL MECHANISMS(Ⅰ) O_3 AND NO_x
    大气光化学烟雾反应机理比较(Ⅰ)O_3和NO_x的比较
短句来源
    A COMPARISON OF ATMOSPHERIC PHOTOCHEMICAL MECHANISMS(Ⅱ) HO_x AND PHOTOCHEMICAL PRODUCTS
    大气光化学烟雾反应机理比较(Ⅱ)HO_x和光化学氧化产物的比较
短句来源
    A Study on Using Carbon Bond Mechanism (CB-IV) to Model Atmospheric Photochemical Reaction
    碳键机制(CB-IV)模拟大气光化学反应的研究
短句来源
    Smog Chamber Simulation of Atmospheric Photochemical Reactions of Acetylene and NO_x
    烟雾箱模拟乙炔和NO_x的大气光化学反应
短句来源
  atmospheric photochemistry
    Black carbon aerosol is an important component of the atmospheric aerosol. It plays significant role in the processes of atmospheric physics, atmospheric chemistry, atmospheric optics, and atmospheric photochemistry.
    黑碳气溶胶是气溶胶的重要组成部分,在大气物理、大气化学、大气光学、大气光化学等过程中具有重要作用。
短句来源
    The coupling relations of ozone with atmospheric photochemistry and aerosols are reviewed. Moreover,according to real situations in China,some important scientific problems are put forward for the future research on atmospheric ozone chemistry.
    综述了臭氧与大气光化学和气溶胶间的耦合关系,并结合我国实际情况,提出了大气臭氧化学尚待深入开展研究的一些重要科学问题。
短句来源
    Based on surface atmospheric photochemistry concentration observation data in summer of 2003 in Beijing observation station,ozone concentration of exceeding standard day,ozone precursor concentration and the distribution characteristics of ozone concentration in different weather conditions were analyzed.
    根据2003年北京夏季近地面大气光化学污染物观测资料,对中国气象局培训中心(代表站)O3超标日浓度、O3前体物浓度、不同天气条件下O3浓度分布特征等进行分析。
短句来源
    All these were significant to research and prevention of atmospheric photochemistry pollution.
    这些污染物发生的特点和规律对北京大气光化学污染的研究和防治具有借鉴意义。
短句来源
  atmospheric photochemistry
    Black carbon aerosol is an important component of the atmospheric aerosol. It plays significant role in the processes of atmospheric physics, atmospheric chemistry, atmospheric optics, and atmospheric photochemistry.
    黑碳气溶胶是气溶胶的重要组成部分,在大气物理、大气化学、大气光学、大气光化学等过程中具有重要作用。
短句来源
    The coupling relations of ozone with atmospheric photochemistry and aerosols are reviewed. Moreover,according to real situations in China,some important scientific problems are put forward for the future research on atmospheric ozone chemistry.
    综述了臭氧与大气光化学和气溶胶间的耦合关系,并结合我国实际情况,提出了大气臭氧化学尚待深入开展研究的一些重要科学问题。
短句来源
    Based on surface atmospheric photochemistry concentration observation data in summer of 2003 in Beijing observation station,ozone concentration of exceeding standard day,ozone precursor concentration and the distribution characteristics of ozone concentration in different weather conditions were analyzed.
    根据2003年北京夏季近地面大气光化学污染物观测资料,对中国气象局培训中心(代表站)O3超标日浓度、O3前体物浓度、不同天气条件下O3浓度分布特征等进行分析。
短句来源
    All these were significant to research and prevention of atmospheric photochemistry pollution.
    这些污染物发生的特点和规律对北京大气光化学污染的研究和防治具有借鉴意义。
短句来源

 

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  atmospheric photochemistry
In addition to the data of nearly 1100 substances, the importance of persistence in air and long-range transport potential is presented in two chapters from the point of view of chemicals legislation and of atmospheric photochemistry.
      
For atmospheric photochemistry, clouds can significantly affect actinic flux distributions.
      
A hybrid stable iodine/radioiodine (131I) atmospheric photochemistry box model, including 27 reactions, has been developed and solved using algorithmic programme with the application of the Runge-Kutta method of the order 4(5).
      
Aerosols scatter and absorb sunlight and thus alter the actinic flux available to drive atmospheric photochemistry.
      
Atmospheric photochemistry in young biomass burning plumes leads to the formation of ozone and nitrogen reservoir species.
      
更多          
  atmospheric photochemical
Study on the atmospheric photochemical reaction of CF3 radicals using ultraviolet photoelectron and photoionization mass spectro
      
A study of the atmospheric photochemical reaction of CF3 radical with CO and O2 was performed by using a homemade ultraviolet photoelectron spectrometer-photoionization mass spectrometer (PES-PIMS).
      
It demonstrated that the ultraviolet photoelectron and photoionization mass spectrometer could be applied widely in the study of atmospheric photochemical reaction.
      
A one-dimensional atmospheric photochemical model with an altitude grid of about 1.5 km was used to examine the structure of the global mean vertical ozone profile and its night-time-to-daytime variation in the upper atmosphere.
      
The chemical composition of the troposphere is controlled by various biogeochemical cycles that couple the atmosphere with the oceans, the solid Earth and the biosphere, and by atmospheric photochemical/chemical reactions.
      
更多          
  atmospheric photochemistry
In addition to the data of nearly 1100 substances, the importance of persistence in air and long-range transport potential is presented in two chapters from the point of view of chemicals legislation and of atmospheric photochemistry.
      
For atmospheric photochemistry, clouds can significantly affect actinic flux distributions.
      
A hybrid stable iodine/radioiodine (131I) atmospheric photochemistry box model, including 27 reactions, has been developed and solved using algorithmic programme with the application of the Runge-Kutta method of the order 4(5).
      
Aerosols scatter and absorb sunlight and thus alter the actinic flux available to drive atmospheric photochemistry.
      
Atmospheric photochemistry in young biomass burning plumes leads to the formation of ozone and nitrogen reservoir species.
      
更多          
  atmospheric photochemistry
In addition to the data of nearly 1100 substances, the importance of persistence in air and long-range transport potential is presented in two chapters from the point of view of chemicals legislation and of atmospheric photochemistry.
      
For atmospheric photochemistry, clouds can significantly affect actinic flux distributions.
      
A hybrid stable iodine/radioiodine (131I) atmospheric photochemistry box model, including 27 reactions, has been developed and solved using algorithmic programme with the application of the Runge-Kutta method of the order 4(5).
      
Aerosols scatter and absorb sunlight and thus alter the actinic flux available to drive atmospheric photochemistry.
      
Atmospheric photochemistry in young biomass burning plumes leads to the formation of ozone and nitrogen reservoir species.
      
更多          
  其他


A Simplified photochemical reaction mechanism in the atmosphere isdeveloped,which demands only four species and four reactive equations.In spite of the computer time expended is little,the calculated values bythis mechanism closely agree with those by other complex mechaisms.

本文给出的大气光化学反应模型仅包括四个粒种和四个反应式,与一般的反应模型相比,可大大节省计算时间而模拟结果相当接近.

Based on"counter species"analysis to the photochemical mechanism, a photochemical model for regional air quality is developed.The model can preciesely simulate chemical characteristics important photochemical species, such as NOx, O3, H2O2. The model has good simulation capacity and its form is very simple form.

根据“计数物种”法对光化学反应机制的分析,建立了一个适用于区域性光化学反应模拟的模式,该模式能较好地模拟出NO_x、O_3及H_2O_2等大气光化学污染物的变化,在保证模拟准确性的同时,该模式形式简单,有利于在实际大气环境质量模拟中应用.

The development of atmospheric chemistry of pollution was reviewed. Some studies on the characterization of aerosol, and the chemical process and modeling of pollutants in the environment were expounded. The advace in source-receptor reconciliation, the photochemical reactions of pollutants and reactions of radicals,active species in atmosphere were given in detail. The role of atmospheric chemistry of pollution taking part in the economic and scientific fields in China has been emphasized

本文综述了大气污染化学研究在国内外的发展概况,对大气污染物的表征研究和大气污染的化学过程与模式的研究,作了详细的阐述,特别对大气颗粒物的表征与来源的识别、大气光化学反应、自由基反应及其它活性物种的反应在近年的发展作了全面的总结,介绍了当今全球性大气污染的一些重大环境问题,如酸雨、臭氧层破坏、温室效应等有关大气化学研究的情况,回顾了大气污染化学对中国经济与科学发展中的重要作用。

 
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