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1.The extremes of rainfall intensity are given.
给出了暴雨强度极值;收藏指正
2.ANALYSIS OF RAINFALL INTENSITY FIELD BY USING MULTI-SPECTRAL GMS IMAGERY
多光谱卫星图像降水强度场的分析收藏指正
3.Roof runoff water quality was affected by rainfall, rainfall intensity, roof material, season and air temperature.
屋面径流水质主要受降雨量、降雨强度、屋面材料、季节和气温的影响。收藏指正
4.In numerical calculations, the effects of rainfall pattern, rainfall intensity, coefficient of permeability and shape of slope layer to the development of subsurface flow are examined.
讨论了降雨的方式,降雨强度,渗透系数以及斜坡地层的形状对地下水流进展过程的影响。收藏指正
5.Based on artificial rainfall,the courses of sediment yield were studied, at the same time, analyze influence of rainfall intensity, gradient and bulk densities to sediment yield amount.
在人工降雨实验模拟的基础上,对硬地面次降雨侵蚀产沙过程和影响硬地面侵蚀产沙的因素进行了初步探讨,为硬地面的侵蚀防治提供了科学依据。收藏指正
6.Top soil masses of dam slope soak and produce wetting more easily than low soil of slope in spite of rainfall intensity.
不管降雨强度如何,坝顶和坝坡中上部比坡体的中下部更容易受降雨浸湿。收藏指正
7.Approximate solutions show that the ground water level rises in proportion with rainfall intensity, time and inverse number of the effective porosity of the soil.
近似解说明了水位的上升与降雨强度和时间成正比,与土壤的有效孔隙率成反比。收藏指正
8.The result shows soil masses in surface layer reach saturation more easily under great rainfall intensity and long-lasting rainfall,at the same time,there are big infiltration depth and influence of wetting deformation.
结果显示,降雨强度越大、降雨持续时间越长,非饱和区土体含水率变化也大,坝坡表层土体较容易达到饱和,并且降雨影响深度也大,对坝坡表面湿化裂隙的产生及坝坡稳定性影响大.收藏指正
9.The gullies are formed by the processes of infiltration-interflow-collapses. (2) In the slope with sand-loess,the major factors of water erosion are the rainfall intensity and rainfall amount of annual first rainfall. (3) In the region,the evolution processes of slope gully system results from alternative actions of sand deposition and water erosion.
(1)有片沙覆盖的斜坡小区,径流量少,但径流含沙率大,坡沟的形成过程是:垂直渗流?坡地潜流?崩塌;(2)在沙黄土斜坡小区,每年春末夏初降雨强度降雨量是决定坡面产沙量的关键因素;(3)该区坡沟系统的形成发育是风沙沉积、风蚀与水蚀交替作用的结果。收藏指正
10.Abstract: In accordance with the problems in the system of well storing rainfall at present,based on the experiments of artificial simulating rainfall,and assistance with the measures of natural rainfall,the relationships among the surface runoff yield,silt concentration,catching runoff efficiency and the material of surface,slope gradient,rainfall intensity are analysed systematically.Then,the best slope gradient and material of surface are chosen,in condition of which surface rainfall yield is the largest and silt concentration is the smallest.This is a beneficial study for the practical use of the rainwater catchment plot in furture.
文摘:针对当前旱井集雨系统存在的问题,利用人工降雨试验,并辅以天然降雨观测,系统分析了旱井集流区的产流量、含沙率、集流效率与下垫面材料、坡度、降雨强度的关系,进而选出了最优坡度及最优下垫面材料,为今后旱井集流区的应用研究做了有益的探讨。收藏指正
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