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raindrop
相关语句
  雨滴
     (5)raindrop middle diameter(D50)~D~P;
     (5)雨滴中数直径(D50)~D~P的关系式;
短句来源
     (4)average raindrop kinetic energy(E)~D~P;
     (4)平均雨滴动能(E)~D~P的关系式;
短句来源
     The outcomes of calibration test show that when rainfall intensity is 1.2 ~ 4.0 mm/min and median particle diameter of raindrop between 1.2 ~ 2.0 mm,the kinetic energy of precipitation is close to the natural rainfall and the degree of consistency of effective rain is greater than 80%.
     率定试验的结果表明,雨强在1.2~4.0 mm/m in时,其雨滴中值粒径在1.2~2.0 mm之间,降雨动能与天然降雨接近,有效降雨均匀度超过80%。
短句来源
     The statistical data analysis of raindrop size distribution measured with OAP—2D—P showthat the parameter α_1 is usually close to α_2 obtained from k_1 and k_2,respectively,so,value αbetween α_1 and α_2 can be used to appproach to it.
     通过机载二维降水粒子探头(2D-P)获得的空中雨滴谱资料计算表明:由 k_1、k_2求得的参数α_1、α_2多数是接近的,可以用一个介于α_1~α_2的值α来近似。
短句来源
     EXPERIMENTAL RESEARCH OF RAINDROP IMPACT ON M739 FUZE RAIN INSENSITIVE DEVICE
     M739引信防雨杆受雨滴冲击作用力实验研究
短句来源
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  雨滴击
     The results show that raindrop erosion (S_(Rd) ) accounts for more than 70% of total erosion, and themaximum may reach 95% of that. It was indicated that the sedimentof sheet flow erosion is mainly caused by raindrop splash.
     结果表明:S_(Rd)一般占总侵蚀量的70%以上,最高可达95%,说明薄层水流侵蚀所产生的泥沙绝大部分是由雨滴击溅所致。
短句来源
     Splashing erosion shows an obvious distribution characteristic, that is, the amount of soil erosion in the upper slope is more than that in the lower slope, and 75 % of the raindrop splashed soil moves toward the lower slope.
     溅蚀具有明显的分带性,坡面上部的土壤溅蚀量大于坡面下部的土壤溅蚀量,雨滴击溅中约有75%的土粒向坡下迁移.
短句来源
     Raindrop splashing can be divided into three stages, namely dry soil splashing, mud splashing and lager erosion.
     雨滴击溅可分为干土溅散、泥浆溅散、层状侵蚀三个阶段.
短句来源
     The raindrop erosion yield (SRd) ac-counts for more that 70% of total erosion sediment yield,and the maximum may reach 95% ofthat.In addition to,raindrop splash can reduce the friction factor of sheet flow,and reduce thesheet flow friction force,to increase the sheet flow erosion force,the average value is about 66.14% in our experiments.
     雨滴击溅侵蚀是薄层水流侵蚀物质的主要来源,可占总侵蚀量的70%以上,最高可达95%。 此外雨滴击溅还可降低薄层水流的水力摩阻系数,减少水流的摩擦阻力,从而增加薄层水流的冲刷力,据实验结果,该平均值可达66.14%。
短句来源
     Single Raindrop Splash Law and Its Selection Role on Soil Particles Splashed
     单雨滴击溅规律及其对溅蚀土粒的分选作用
短句来源
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  雨点
     The energy conservation building in the cold winter and hot summer area stay in " thunder heavy but the raindrop little" stage.
     夏热冬冷地区的建筑节能工作还停留在“雷声大,雨点小”的阶段。
短句来源
     First, I have set up mathematical models of motorcar images blured by raindrop and spurted slurry and appended two kinds of noises to motorcar images.
     首先,建立了汽车图像受到雨点、喷溅泥污染后的数学模型,并对汽车图像加噪。
短句来源
     CHEN Heng-zhe had maken contributions to Chinese female literature and children literature. The position of Chinese modern children literature of her novel Small Raindrop was emphasized.
     陈衡哲对于中国女性文学和儿童文学作出了贡献,她的《小雨点》是中国现代儿童文学史上第一篇童话。
短句来源
     By considering the interference and the attenuation of water wave, we regard raindrop as an interference source to engender surface motion and imitate water wave, and get satisfactory result.
     把雨点当作一个干扰源产生水波,在考虑水波衰减、扰动等特性的基础上,对水纹波动进行模拟,得到了较好地效果.
短句来源
  “raindrop”译为未确定词的双语例句
     Development a kind of auto raindrop detecting set base on AT89C52
     一种基于AT89C52的自动雨量站的研制
短句来源
     The Study on the Dynamic Response of the Rain-proof Device for M739 Fuze to Raindrop Impact
     M739引信防雨装置碰雨动态响应研究
短句来源
     Analysis about Raindrop Spectrum Characteristic in Runoff Regulate-control Model using CorelDRAW
     基于CorelDRAW软件的径流调控模型雨谱特性分析
     RELIABILITY OF MEASUREMENTS BY GBPP-100 GBOUND RAINDROP SIZE METER
     GBPP-100型地面雨滴谱仪测量的可靠性
短句来源
     The size distribution ofsnow,collapsed snow and raindrop can be fitted in with the expression ofN=N_0exp(-λD)near the melting layer,the spectral parameters N_0 and λare related to temperature,the relation between N_0 and λ,can be fittedin with the expression of N_0=σλ~β,parameter β is determined by hy-drometeors.
     在融化层附近,谱参数N_0、λ随温度升高而增大有正相关关系。 谱参数 N_0、λ之间有幂指数关系 N_0=σλ~β,降水粒子相态不同,σ值差异明显。
短句来源
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  raindrop
New equations and techniques for dealing with drop breakups are developed and applied to the modelling of the evolution of raindrop spectra in rainshafts.
      
Hail, rather than rain, is responsible for the large radar reflectivities, and primarily responsible for the mass loading of the updraft, because its size is not dynamically limited as is that of a large raindrop.
      
The basic principe is the automatic compensation of the force, produced by a raindrop falling upon the rigid receiving system.
      
The processes treated are: raindrop action, slope evolution and river erosion.
      
For the same ambient concentration of NO2, a 10-micron raindrop would have a pH of about 4.75.
      
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Taking consideration of the feedback on the vertical motion due to the drag force and the cooling effect acted on the air by raindrops, a system of differential, equations for the vertical velocity, temperature difference between cloud and environment and the water content is introduced. The solutions are. analysed numerically, for five sets of different, parameters. , From the. analysis the effect of different intensity of precipitation, stratification, initial condition and environment are studied, and...

Taking consideration of the feedback on the vertical motion due to the drag force and the cooling effect acted on the air by raindrops, a system of differential, equations for the vertical velocity, temperature difference between cloud and environment and the water content is introduced. The solutions are. analysed numerically, for five sets of different, parameters. , From the. analysis the effect of different intensity of precipitation, stratification, initial condition and environment are studied, and it is further found that under the influence of precipitation process, the vertical velocity, temperature difference and water content in cloud are reduced very quickly, and the descending motion appeas rapidly first at the cloud base, then spreads upward. Thus, starting from the cloud base, the cloud dissipates rapidly. This resembles the observed process of the dissipation of a precipitating cloud.

本文考虑了降水过程中水滴对空气的拖带作用和降温作用,并考虑到含水量变化时,由于水滴对空气拖带力的变化,而对垂直运动产生的反馈影响,导出了局地积云的运动方程、热力方程和含水量方程,并由此研究在降水过程中云中空气垂直运动、云内外温差和含水量结构的变化。计算结果指出,局地积云在降水过程的影响下,云中空气的垂直运动、云内外温差和含水量都要明显变小,并且很快地由下向上逐渐出现下沉运动,云也由下向上逐渐消散。计算结果与实际观测现象是基本相似的。本文共做了五个不同条件的个例数值计算,并由此分析比较了不同降水强度、不同稳定度、不同云中初始条件和不同云外环境所起的不同作用。

The merit and limitation of rainfall measurements by radar and by radiometer were discussed respectively and the quantitative analysis of their reliability and probing ability were made and compared with each other on the basis of the computations of the microwave radiation characteristics of the model and actual raindrop spectra. There of we proposed a possible program of the combined uses of radar and radiometer for rainfall measurement. It is proved that this combined use may be helpful for improving...

The merit and limitation of rainfall measurements by radar and by radiometer were discussed respectively and the quantitative analysis of their reliability and probing ability were made and compared with each other on the basis of the computations of the microwave radiation characteristics of the model and actual raindrop spectra. There of we proposed a possible program of the combined uses of radar and radiometer for rainfall measurement. It is proved that this combined use may be helpful for improving the remote sensing of precipitation.

分析了雷达测雨和微波辐射计测雨两种方法的原理特点。根据Mie散射公式计算所得模式雨滴谱和实际雨滴谱的各种微波辐射特性,定量分析了两种方法各自的可靠性和测雨能力。在此基础上,提出了一个雷达-辐射计联合测雨的求解方法,证明可较好地改进现有遥感测雨能力。

A study is made of Z--I relationships in various types of rainbased on 437 raindrop spectra from Hunan and Anhui. It has beenfound that (1) the statistical results of the Z--I relationships ac-cording to rain types appear to be more reasonable than those of anyobtained through reflecting factors Z and rain intensities I: (2) Z--Irelationships differ in the significance for different kinds of rain andcan not be replaced by each other; and (3) Z--I's in convectiveprecipitation over the provinces show no...

A study is made of Z--I relationships in various types of rainbased on 437 raindrop spectra from Hunan and Anhui. It has beenfound that (1) the statistical results of the Z--I relationships ac-cording to rain types appear to be more reasonable than those of anyobtained through reflecting factors Z and rain intensities I: (2) Z--Irelationships differ in the significance for different kinds of rain andcan not be replaced by each other; and (3) Z--I's in convectiveprecipitation over the provinces show no differences in significance.Finally, discussion is made as to the properties of Z--I's in variouscases of precipitation, the effect of various time intervals (they varyfrom 5 min. to 30 min. space. ) between sampling raindrop distribu-tions on statistics of the relationships together with the corresponding measurement errors.

本文根据湖南、安徽两地共437张雨滴谱资料做了以下几项工作: 1.分别按不同雨型、不同反射因子Z和雨强I值统计了它们的Z—I关系,结果表明按雨型统计的Z—I关系最合理。2.不同雨型的Z—I关系有显著性差异,不能互相代用。3.湖南、安徽两地对流性降水的Z—I关系无显著性差异,从而得到两地对流性降水中统一的Z—I关系式。4.分别对(1)不同雨型、不同地点或不同时间降雨的Z—I关系的性质;(2)雨滴谱取样间隔对统计Z—I关系的影响;(3)雷达上不同读数(或开机)时间间隔造成的测量误差进行了讨论。

 
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