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大气光化学模式
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  “大气光化学模式”译为未确定词的双语例句
     The relations of the diurnal peak of photochemical ozone and its occurring time to the ozone precursors(NMHC,NOx) and the ratio of NMHC/NOx are researched by using an atmospheric photochemical box model.
     应用大气光化学模式研究了日最大臭氧体积分数及其出现时刻与其前体物NMHC、NOx体积分数及NMHC/NOx比值的关系。
短句来源
     A PHOTOCHEMICAL MODEL FOR REGIONAL AIR QUALITY SIMULATION
     一个适用于区域性大气环境模拟的大气光化学模式
短句来源
     In context of atmospheric photochemical m o del, the photochemical ozone creation potential (I POCP value) of NMHC species is studied under different NMHC/NO x ratios.
     应用大气光化学模式研究了不同 NMHC/ NOx 比值时 ,各 NMHC物种的光化学臭氧生成潜势指数 ( IPOCP值 )。
短句来源
     By evaluating MM5 (the Fifth Generation Penn State/NCAR Mesoscale Model) and RADM (Regional Acid Deposition Model), a coupled regional photochemical model is developed to study tropospheric photochemical process.
     将 MM5和 RADM耦合 ,建立了一个区域大气光化学模式。 用此模式来研究区域大气光化学过程。
短句来源
     A study of primary controlling factors of NOX photochemical transformations during the daytime and NOX transformation products were conducted by using an atmospheric photochemical box model.
     应用大气光化学模式研究了日间影响NOx光化学转化率的主要物理化学因子。 探讨了在不同NMHC/NOx比值时,NOx光化学特征及其转化产物的变化规律。
短句来源
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  相似匹配句对
     A PHOTOCHEMICAL MODEL FOR REGIONAL AIR QUALITY SIMULATION
     一个适用于区域性大气环境模拟的大气光化学模式
短句来源
     ON THE DESIGN OF THE ATMOSPHERIC MODEL
     论大气模式的设计
短句来源
     (TENTATIVE) MODEL ATMOSPHERES FOR TIBETAN PLATEAU
     青藏高原模式大气(暂用)
短句来源
     A Study of Photochemical Pollution with a Box Model.
     光化学烟雾的箱模式研究
短句来源
     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
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  atmospheric photochemical model
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.
      
Here, the results of studies using Bremens Atmospheric Photochemical Model (BRAPHO) are presented.
      
Using an atmospheric photochemical model, the photochemical ozonecreation potential (POCP) values of non-methane hydrocarbon(NMHC) species are studied under different NMHC/NOx ratios.
      
These observed vertical columns have been translated into time-dependent vertical NO2 profiles by means of a one-dimensional atmospheric photochemical model.
      


In context of atmospheric photochemical m o del, the photochemical ozone creation potential (I POCP value) of NMHC species is studied under different NMHC/NO x ratios.And the rule of I POCP values of NMHC changing with time is discussed in the higher NMHC/N O x ratio. The results show that the I POCP values of NMHC species vary with the ratio of NMHC/NO x and time-scale of photochemical reactions sys tematically. NO x、alkenes、aromatics and aldehydes have higher reactivit y and shorter...

In context of atmospheric photochemical m o del, the photochemical ozone creation potential (I POCP value) of NMHC species is studied under different NMHC/NO x ratios.And the rule of I POCP values of NMHC changing with time is discussed in the higher NMHC/N O x ratio. The results show that the I POCP values of NMHC species vary with the ratio of NMHC/NO x and time-scale of photochemical reactions sys tematically. NO x、alkenes、aromatics and aldehydes have higher reactivit y and shorter lifespan,so its transportation distance is limited and mainly perf orming local pollution.Alkanes have lower reactivity and longer lifespan,so it c an transport longer distance from its source.

应用大气光化学模式研究了不同 NMHC/ NOx 比值时 ,各 NMHC物种的光化学臭氧生成潜势指数 ( IPOCP值 )。探讨了在较高 NMHC/ NOx 比值时 ,各 NMHC物种IPOCP值随时间的变化规律。结果表明 :不同结构、种类的 NMHC对光化学臭氧贡献有很大差异 ;各 NMHC物种的 IPOCP值随 NMHC/ NOx 比值、光化学反应的时间尺度变化而系统性地变化。 NOx、烯烃、芳烃和醛类的活性高寿命短 ,输送距离有限 ,主要表现为局地污染 ;烷烃类的活性低寿命长 ,可传输到较远地区。

By evaluating MM5 (the Fifth Generation Penn State/NCAR Mesoscale Model) and RADM (Regional Acid Deposition Model), a coupled regional photochemical model is developed to study tropospheric photochemical process. The spatial and temporal distributions and variations of regional tropospheric photochemical precursors, tracers and products such as SO 2, NO 2, O 3, PAN, H 2SO 4, and HNO 3 in northern China are studied with this coupled model. Based on this, the relative roles of horizontal advection, vertical...

By evaluating MM5 (the Fifth Generation Penn State/NCAR Mesoscale Model) and RADM (Regional Acid Deposition Model), a coupled regional photochemical model is developed to study tropospheric photochemical process. The spatial and temporal distributions and variations of regional tropospheric photochemical precursors, tracers and products such as SO 2, NO 2, O 3, PAN, H 2SO 4, and HNO 3 in northern China are studied with this coupled model. Based on this, the relative roles of horizontal advection, vertical diffusion and deposition as well as chemical transformation in the photochemical processes are analyzed. The results show that horizontal advection and vertical diffusion as well as deposition play an important role in influencing concentration distribution and its variation of photochemical precursors, tracers and products.

将 MM5和 RADM耦合 ,建立了一个区域大气光化学模式。用此模式来研究区域大气光化学过程。分析了大气光化学过程中前体物、自由基以及主要产物的时空分布及其随时间的变化情况。得到了大气光化学过程各主要成分的分布及其演变特征。在此基础上 ,分析了水平平流、垂直扩散及沉降以及化学转化等物理、化学过程在大气光化学过程中的相对重要性 ,结果表明 ,水平平流和垂直扩散及沉降等物理过程对大气光化学过程中各种成分的浓度分布及其随时间的变化有重要的作用。

A study of primary controlling factors of NOX photochemical transformations during the daytime and NOX transformation products were conducted by using an atmospheric photochemical box model. The results show that the most important factors are radiant intensity and NMHC/ NOX ratio, however low NMHC/ NOX ratio, NOX transformation rate cannot increase remarkably with radiant intensity. The effect of temperature and initial ozone level on NOX transformation rate ranks seoonel, and the relative humidity effect is...

A study of primary controlling factors of NOX photochemical transformations during the daytime and NOX transformation products were conducted by using an atmospheric photochemical box model. The results show that the most important factors are radiant intensity and NMHC/ NOX ratio, however low NMHC/ NOX ratio, NOX transformation rate cannot increase remarkably with radiant intensity. The effect of temperature and initial ozone level on NOX transformation rate ranks seoonel, and the relative humidity effect is quiet small. Under different NMHC / NOX ratios, the NOX transformation features and products compositions are very different. For higher NMHC/ NOX ratio, the PAN level is higher than HNO3. In middle (lower) NMHC/ NOX ratio, the product is mainly composed of HNO3; however, PAN and other organic nitrogen compound are smaller than 10%(1%) of total NOy. Lastly, the modeling NOy compositions are compared with measurements in some areas.

应用大气光化学模式研究了日间影响NOx光化学转化率的主要物理化学因子。探讨了在不同NMHC/NOx比值时,NOx光化学特征及其转化产物的变化规律。结果表明,影响NOx转化率的主要因子是阳光辐射强度和NMHC/NOx比值、但在NMHC/NOx比值很低时,光强的增加并不能显著提高NOx转化率。温度和初始臭氧浓度对NOx转化率的影响次之。相对湿度对NOx转化率的影响较小。在不同NMHC/NOx比值下,NOx转化特征和产物有很大区别。NMHC/NOx比值高时,产物中PAN>HNO3。NMHC/NOx比值中(低)时,产物主要是HNO3,PAN等有机氮不到10%(1%)。最后初步比较了模拟和观测的NOy组成。

 
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