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ozone column
相关语句
  臭氧柱
     Under the low dosage of ozone (0.5 mg/L),and low HRT (17.3 min and 6.9 min respectively in ozone column and activated carbon column),total removal rate of ozone/BAC process was averaged at 19.0%,16.6%,42.0%,and 23.7% respectively for COD_(Mn),DOC,UV_(254),and ammonia nitrogen from Yellow River water.
     在低臭氧投量(约0.5mg/L)、低水力停留时间(臭氧柱和活性炭柱分别为17.3min和6.9min)条件下,臭氧活性炭工艺对低温黄河水的CODMn、DOC、UV254和氨氮的平均去除率分别为19.0%、16.6%、42.0%和23.7%。
短句来源
     The statistical characteristics of the variation of the concentration of ozone column, intercepting and capturing the data of main part of mainland (69.375°E~139.375°E、14.5°N~54.5°N) of China from TOMs data were analyzed.
     采用美国戈达德航天中心的雨云气象卫星臭氧全球网格资料,从中截取中国大陆主体部分(69.375°E~139.375°E、14.5°N~54.5°N)的数据,分析臭氧柱浓度变化的统计特性.
短句来源
     The ozone column falls by up to 44 DU at 76°S in November but rises by 12 DU near the equator.
     结果表明,臭氧柱在11月份76°S减少了44DU,在赤道却增加了12DU。
短句来源
     The variation state of ozone column concentration over China from the years 2001~2050 was forecasted under two conditions of complying with the Montreal Protocol or not.
     假定其他缔约国均履行蒙特利尔议定书的前提下,以1980年臭氧柱浓度情形为基准,利用臭氧柱浓度与消耗臭氧层物质浓度之间的关系,预测了中国履行蒙特利尔议定书与不履行两种情形下,2001~2050年中国上空臭氧柱浓度变化情况.
短句来源
     Characteristics of seasonal variation of tropospheric ozone column contents from 5~15 km altitude are given and analyzed over Hefei. Maximal tropospheric ozone column contents occurred in the second quarter and minimal contents in the third quarter.
     给出和分析了合肥地区对流层 5~ 15km臭氧柱含量的季节变化特征 ,柱含量最大的月份一般出现在第二季度 ,柱含量最小的月份一般出现在第三季度。
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  “ozone column”译为未确定词的双语例句
     In addition to CO2, chlorofluorocarbons (CFCs), CH4 and N2O are also increasing with industrialization. The increase of these trace gases is expected to deplete the stratospheric ozone column with a subsequent increase in the amount of solar UV-B radiation reaching the earth. Both CO2 and UV-B radiation are expected to increase simultaneously with future changes in global climate.
     随着工业化的发展,除了CO_2,氯氟代烃(CFCs),CH_4和N_2O也将增多,这些气体的增多将使臭氧层减薄,使到达地球表面的UV-B辐射呈增强趋势,CO_2和UV-B将随着未来全球气候的变化而同时增加。
短句来源
     First, based on some analyses on spectral irradiance measured with the Sun-Atmosphere Ultraviolet Spectrum Radiometer (SAUVS) developed by The Institute of Atmosphere Physics, Chinese Academy of Sciences, Beijing and the results calculated by means of radiative transfer models MODTRAN and UVSS, the influences of various primary factors affecting UV irradiance reaching the ground surface, such as solar zenith angle (SZA), ozone column amount and its vertical distribution, ground surface albedo, sea level, aerosol optical depth and cloud were evaluated.
     首先通过对中国科学院北京大气物理研究所和中科院长春光学精密机械研究所合作研制的太阳—大气紫外光谱辐射计(SAUVS)测的光谱辐射资料和辐射传输模式MODTRAN及UVSS计算结果的一些分析,评价各种主要影响因子,象太阳高度角(SZA)、臭氧总量和它的垂直分布、地面反照率、海拔高度、气溶胶光学厚度和云对到达地面的紫外辐照度的贡献。
短句来源
     At the residual O 3 content of 0.4? mg/L from ozone contact column, corresponding ozone dosage of 4? mg/L, the residual iron, manganese and organic matter was removed effectively in the ozone column and biological activated carbon filter through various mechanisms with removal efficiencies for iron, manganese and COD Mn of 100%, 100% and some 90% respectively.
     通过曝气充氧 砂滤预处理 ,去除溶解性的二价铁 6 0 %以上 ,在剩余臭氧的量为 0 .4mg/L(相应的臭氧投量为 :4mg/L)的条件下 ,经臭氧接触氧化和生物活性炭过滤 ,在HRT 2 0min时 ,可去除铁锰高达 10 0 % ,CODMn的去除率达 90 %左右
短句来源
     Because most of ozone column resides in the lower stratosphere, small change in ozone abundance could have a large impact on climate and the surface UV flux.
     大部分的臭氧分布在下平流层,在下平流层臭氧的含量发生一个很小的变化,就会对气候和地面的紫外辐射产生很大的影响。
短句来源
     Based on some analyses on spectral irradiance measured with the Sun-Atmosphere Ultraviolet Spectrum Radiometer (SAUVS) developed by the Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing and the results calculated by means of radiative transfer models UVSS, the influences of various important factors affecting UV irradiance reaching the ground surface, such as solar zenith angle(SZA), ozone column amount and ground surface albedo were evaluated.
     通过对北京大气物理研究所与长春光机所合作研制的地基太阳紫外辐射光谱仪观测资料的分析 ,和用辐射传输模式UVSS计算的结果 ,对影响到达地面的UVB辐照度的主要因子太阳高度角 (SZA)、臭氧总量和地表反照率进行了分析研究。
短句来源
  相似匹配句对
     Column;
     色谱条件:色谱柱为C_(18)柱;
短句来源
     Ozone
     臭氧(英文)
短句来源
     for column.
     柱温为25℃。
短句来源
     Simulation of Ozone Reaction with p-Nitrophenol Solution in Bubble Column
     臭氧与对硝基苯酚溶液在鼓泡塔中反应的模拟(英文)
短句来源
     OZONE AND ENVIRONMENT
     臭氧与环境
短句来源
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  ozone column
UV-B levels simulated up to 30% reduction of the stratospheric ozone column during summertime in The Netherlands.
      
It is also difficult to estimate from models due to uncertainties in the ozone column, aerosol concentrations and distributions, cloud cover, optical depth and surface albedo.
      
The components of the suggested parameterization are the lower threshold wavelength of the PDA spectrometer, the slant ozone column (ratio of the total ozone column and the cosine of the solar zenith angle), and the ambient temperature.
      
The modelled Arctic ozone column losses wereabout half the magnitude of those in the Antarctic and showed a considerablevariation from year to year.
      
Latitudinal variations give indications of possible input to the tropospheric ozone column from anthropogenic activity.
      
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The equilibrium properties of O3, O dynamic system in stratophere are discussed by the qualitative theory of ordinary differentical equations. The results indicate that if atmospheric diffusion effect is less than photochemistry effect in the altitude region where most of the total ozone column is located, then the ozone layer in stratosphere stably exists; on the contrary, the ozone layer in stratosphere is seriously destroyed. We can explain the Antarctic ozone seasonal variation in...

The equilibrium properties of O3, O dynamic system in stratophere are discussed by the qualitative theory of ordinary differentical equations. The results indicate that if atmospheric diffusion effect is less than photochemistry effect in the altitude region where most of the total ozone column is located, then the ozone layer in stratosphere stably exists; on the contrary, the ozone layer in stratosphere is seriously destroyed. We can explain the Antarctic ozone seasonal variation in stratosphere and the Antarctic ozone hole that appears' from September to October every year with this mechanism.

本文首次利用常微分方程定性理论对平流层O_3、O动力系统的平衡性质进行了讨论.结果表明,如果在平流层O_3的主要分布高度内,大气扩散作用小于光化学作用,那么平流层的O_3层处于稳定状态;反之,平流层的O_3层将遭到破坏.利用这一机制,我们可以解释南极平流层O_3的季度变化规律和每年9—10月份出现的南极O_3洞.

The effect of a prescribed Antarctic spring ozone hole(based on the observed ozone decrease from 1979 to 1985) on the temperature and circulation fields of a two—dimensional stratosphere—troposphere model is discussed. The temperature fell by a maximum of 6 degrees in November at about 17 km at the south pole. The mean meridional circulation induced by this temperature change acted to fill in the hole,though the effect was small,producing a change of 14 DU one year. Since observations suggest a fall in the southern...

The effect of a prescribed Antarctic spring ozone hole(based on the observed ozone decrease from 1979 to 1985) on the temperature and circulation fields of a two—dimensional stratosphere—troposphere model is discussed. The temperature fell by a maximum of 6 degrees in November at about 17 km at the south pole. The mean meridional circulation induced by this temperature change acted to fill in the hole,though the effect was small,producing a change of 14 DU one year. Since observations suggest a fall in the southern hemisphere wave activity in October in recent years,a version of the model in which the southern hemisphere wave driving is reduced by 50% throughout the year,and in which the ozone hole is also present,is run. The ozone column falls by up to 44 DU at 76°S in November but rises by 12 DU near the equator.

讨论了给定的南极春季臭氧洞(取自1979—1985年臭氧减少的观测结果)对二维平流层—对流层模式中温度和环流的影响。11月份,南极上空约17km处,温度最多可降低6℃。这种温度变化引起的平均经向环流对臭氧洞起填塞作用,不过,这种影响很小,每年仅产生14DU的变化。观测事实表明,近年来10月份,南半球波活动减弱。为此,我们作了南半球波作用全年都减少一半,并考虑了臭氧洞的数值试验。结果表明,臭氧柱在11月份76°S减少了44DU,在赤道却增加了12DU。

The Brewer ozone spectrophotometer ,which is recommended by the World Meteorological Organization(WMO), at Zhongshan station(69.37°S,76.38°E),Antarctica first provides hourly ground based measurements of O 3,UV B at the earth surface in the 93 “Ozone Hole”.These measurements define the column ozone abundance and the UV B radiation environment of the region and ,in conjunction with a daily record of sky conditions and the upper atmospheric temperature, permit a general understanding of the close relationship...

The Brewer ozone spectrophotometer ,which is recommended by the World Meteorological Organization(WMO), at Zhongshan station(69.37°S,76.38°E),Antarctica first provides hourly ground based measurements of O 3,UV B at the earth surface in the 93 “Ozone Hole”.These measurements define the column ozone abundance and the UV B radiation environment of the region and ,in conjunction with a daily record of sky conditions and the upper atmospheric temperature, permit a general understanding of the close relationship between the ozone and stratospheric temperature and the role of ozone and cloud cover in regulating UV B radiation levels at the Antarctica surface in the period of the ozone depletion. The processes of low column ozone abundance (near or below 220DU) have been detected from August to the end of November,and a normal abundance (near or above 260DU)recovers at the beginning of December.High coherent variations between the ozone column abundance and the temperature from 70hPa to 50hPa altitude are very obivious.Daily variations of UV B radiation are greatly controlled by the solar zenith angle(SZA),ozone and the sky conditions.Preliminary statistical analyses tell us that noontime biologically weighted damaging UV B(damaging UV B,DUV B) flux is a negative exponential function of slant ozone column abundance. Spectra scanning presents that in the range of UV B, ground surface irradiance of shorter wavelength is more easily influenced by the changes of the above ozone column abundance. Avoiding from the variability associated with cloud cover aerosols,and albedo etc., the ratio of noontime irradiance for 300.5nm to that for 323.5nm shows that ozone is one of the most important factors for UV B enhancing during the ozone depletion period.

本文给出了1993年在东南极中山站(69.38°S,76.37°E)地区首次运用WMO(世界气象组织)认可的Brewer臭氧分光光谱仪,进行臭氧和UV-B地面的同步观测结果。观测表明中山站地区在1993年8月初到11月底频繁出现臭氧低于200DU的值;12月初臭氧值恢复正常。在整个“臭氧洞”期间,臭氧值起伏变化很大,并且和70hPa到50hPa上空的温度变化密切相关,臭氧的日变化不很明显。中午时刻有生物效应的UV-B辐射通量与臭氧斜程柱总量呈负指数关系;云和太阳高度角控制着UV-B辐射通量日变化过程。UV-B光谱扫描的结果表明295-325nm波段内的光谱强度比315-325nm的光谱强度更受臭氧变化的影响。消除云和气溶胶对UV-B辐射过程的部分影响,对每天中午时刻300.5nm和323.5nm光谱强度比值计算,反映出了“臭氧洞”期间臭氧值降低是UV-B辐射增强的重要因子。

 
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