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    Study on Effective Utilization of Rain Water Resources and Ecological Environment Construction in Karst Mountain Region of Northwest Hunan Province
    湘西北岩溶山区降水资源有效利用与生态环境建设研究
    CLIMATIC CHARACTERISTICS OF THE STRONG HEAVY RAIN IN THE NORTHERN CHINA
    北方强降水的气候特征
    THE ANALYSIS OF THE RELATIONSHIP BETWEEN ANOMALY OF 100 HPA GENERAL CIRCULATION IN NORTHERN HEMISPHERE AND GREAT RANGE ANOMALY OF RAIN IN CHINA
    北半球100hPa环流异常及其与我国大范围降水异常的关系分析
    Predicting Model of Acid Rain pH Value in :Atmospheric Precipitation with Grey System Theory GM(1, 1)
    用灰色系统理论GM(1,1)建立大气降水中酸雨pH值的预测模型
    QUALITY CONTROL AND QUALITY GUARANTEE OF RAIN RESEARCH IN CHONGQING AREA
    重庆降水研究的质量控制和质量保证
    STUDY OF THE RELATIONSHIP BETWEEN ACID RAIN AND ATMOSPHERIC PARTICLE IN CHONGQING
    重庆大气颗粒物与酸性降水关系研究
    The Effects of Simulated Acid Rain and SO_2 in Combination on Several Vegetables
    酸性降水和SO_2复合污染对几种蔬菜影响的研究
    A STUDY ON THE CaCO_3 ILLUVIALHORIZONS OF PALEOSOLS AND PERMEATED PATTERN FOR RAIN WATER
    古土壤CaCO_3淀积层与大气降水入渗形式研究
    Research on precipitation background value and definition of acid rain
    降水背景值与酸雨定义研究
    Determination of Trace Hydrogen Peroxide in Rain Water with Spectrophotometric Method
    分光光度法测定降水中微量过氧化氢
    Concentration Distribution of Rare Earths in Rain Water, Surface Runoff, Atmosphere and Soil in Experimental Plots and Influence of RE
    华北模拟实验块地大气、降水、地表径流和土壤中的稀土浓度分布及施用农用稀土的影响
    In addition,the annual Si input from rain was 1.2%-5.5% of the Si output of timber.
    与国内外其他地区相比,处于中上水平; 降水中硅的年输入量仅占竹材硅输出量的1.2%~5.5%。
    The results showed that film mulching on furrow could collect rain and hold soil water effectively. The soil water storage in 0-100 cm layer at harvest was 30.07 mm,more than that at pre-sowing. Compared to film mulching on ridge treatment,the water consumption in mulching over furrow decreased 87.53 mm and the water use efficiency(WUE) increased 10.20 kg/(mm·hm2).
    结果表明:沟覆膜方式能更好地聚集降水和保蓄土壤水分,收获后1 m土体贮水量比播前盈余30.07 mm,比垄膜处理少耗水87.53 mm,水分利用效率(WUE)比垄膜处理高10.20 kg/(mm.hm2)。
    The strong rain appeared between the 700 hPa and 850 hPa shear lines where was in the front of 500 hPa trough-line,and the rainfall intensity had a good corresponding relationship with the brightness temperature of cloud top.
    强降水出现在700 hPa、850 hPa切变线之间及500 hPa低槽前部,并与云顶亮温的发展变化趋势表现出相似性;
    The numerical results show that there are signicicant uncertainties in the evolution of horizontal structure,rain,cloud prognostic variables and thermal and dyinamical fields. Therefore,explicit forecasts of precipitation,especially ensemble prediction of precpitation,should be performed together with the estimation of different uncertainties of different explicit schemes.
    结果表明:不同的显式方案模拟的对流风暴的最大垂直速度、水平结构和降水以及云物理量的演变都有很大的不确定性,说明要对实际降水进行全显式的数值预报可能需要对不同显式方案导致的预报结果的不确定性作出进一步的估计,集合预报中可能要考虑不同显式方案对预报结果不确定性的影响。
    A continuous heavy rain hit Guangdong province during June 18~25,2005(named Torrential Rain 0506) and caused enormous economic loss.
    2005年6月18~25日,广东省出现罕见的持续强降水过程(0506大暴雨),造成广东省巨大的经济损失。
    53 rain events collected from March to November 2003 at Beijing were analyzed: The average pH value is 6.48 and in alkaline range.
    对2003年3-11月在北京师范大学采集的53个降水样品进行了分析,其结果显示,降水平均pH值为6.48,属非酸性降水;
    SO42- is the predominant acid anion but the acidic effect of NO3- is more and more important. NH4+ and Ca2+ act as acid neutralizers of the rain acidity.
    SO42-是北京降水中的主要致酸物质,NO3-的致酸作用有所上升,Ca2+、NH4+中和缓冲降水中的酸性物质;
    There are apparent correlations between pH and concentrations of SO2, NO2, TSP and PM10 at atmosphere, unlike the noncorrelation of pH and ion concentrations of rain samples.
    降水的pH值与各离子浓度无明显相关性,但与大气中SO2、NO2,TSP,PM10的浓度明显相关;
    Based on new generation radar productions, geostationary meteorological satellite data, and corrected by rain gauges, the precipitation forecast models were developed both for grid points and stations.
    利用新一代天气雷达产品、静止气象卫星红外云图并结合其它气象资料进行定点降水预报,通过自动气象站网降水实况资料进行订正,建立适合宁夏本地天气气候特点的短时预报监测模型。
 

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