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rule of runoff
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  “rule of runoff”译为未确定词的双语例句
     Both kept basic statistic characterof original observation series and considered evolvement rule of runoff series.
     非线性组合预测模型的预测结果既保持住了原观测序列的基本统计特征,又充分考虑到了径流序列的演变规律,具有很可靠的实用价值。
短句来源
     The following paper analyzes the changing rule of runoff water quality of a certain apartment's roof and road surface and its main influencing factors,evaluates the quality of rainwater,and discusses the utilization of rainwater of roof and road surface through analysis and research,which to offer the way to develop and utilize unconventional resource and to solve the problem of water resources crisis.
     分析了某公寓的屋面和路面径流水质变化规律及其主要影响因素,并且评价了雨水的质量,通过分析和研究,讨论了屋面和路面的雨水资源利用情况,为开发利用非常规资源、解决水资源危机等方面提供了途径。
短句来源
     In response to existent problems rainwater utilization of porous pavement, for example, a rule of runoff and infiltration from rainfall on permeable pavement has not been solved, and study on clog and dredge in pavement is still inadequate, the counter-measures and material for future study on porous pavement are presented.
     同时针对我国透水性铺装雨水资源开发利用中存在的问题,包括透水性铺装中雨水产流入渗规律、污染物堵塞及清除等问题,提出了今后的研究方向。
  相似匹配句对
     Rule and Constitutionalism
     规则与宪政
短句来源
     On Rule of Mitigation
     减轻损失规则研究
短句来源
     The Sunset Rule
     太阳下山规则
短句来源
     The Rule of Ten
     “一次十颗”的规矩
短句来源
     Forest and Slope-runoff
     森林对坡面产流的影响研究
短句来源
查询“rule of runoff”译词为用户自定义的双语例句

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Based on considering the characteristics of road cutting slope (RCS) during railway construction, the rules of runoff and sediment yielding on RCS are analyzed and simulated with artificial rainfall test technique. Runoff yielding on RCS is a yielding process with exceeding infiltration rate. Infiltration and runoff yielding features on the slope are influenced mainly by the characteristics of surface layer soil; and infiltration is a exponential (or logarithm ) function of time while runoff...

Based on considering the characteristics of road cutting slope (RCS) during railway construction, the rules of runoff and sediment yielding on RCS are analyzed and simulated with artificial rainfall test technique. Runoff yielding on RCS is a yielding process with exceeding infiltration rate. Infiltration and runoff yielding features on the slope are influenced mainly by the characteristics of surface layer soil; and infiltration is a exponential (or logarithm ) function of time while runoff yielding is a power function. Sediment concentration of runoff is mainly affected by the amount of incompact particulates on the slope and the construction of soil, but is not related basically with mean runoff yielding rate. Sediment concentration and sediment yielding intensity are cubic function of time.

在考虑了施工期路堑边坡特点的基础上,通过人工降雨试验的方法对坡面上的产流、产沙规律进行了模拟和分析.路堑边坡上的产流是一个超渗产流过程,坡面上入渗和产流主要受表层土壤特性的影响,一般随时间分别呈指数(或对数)函数和幂函数变化;径流含沙率主要受坡面松散颗粒量及土体结构的影响,而与单位时间径流量基本上无关,含沙率与单位产沙量随时间均呈3次函数变化.

Because of the influence of climate change and human activities,runoff change has oc-curred.This paper analyzes the natural runoff series of the upper and middle reaches of the Yel-low River with the theory of wavelet transformation,reveals multi-time scale changes rule of runoff,and discusses the influencing factors of runoff multi-time scale changes.The results showed that climatic conditions such as precipitation mainly controlled river runoff variations.But varia-tions in drainage basin...

Because of the influence of climate change and human activities,runoff change has oc-curred.This paper analyzes the natural runoff series of the upper and middle reaches of the Yel-low River with the theory of wavelet transformation,reveals multi-time scale changes rule of runoff,and discusses the influencing factors of runoff multi-time scale changes.The results showed that climatic conditions such as precipitation mainly controlled river runoff variations.But varia-tions in drainage basin underlying surface and local climate factor brought by human activity af-fected natural annual runoff.The results are important to know runoff changes and to exploit wa-ter resources of the upper and middle reaches of the Yellow River.

运用小波分析等方法对黄河上中游天然径流序列进行了分析,揭示了河川径流多时间尺度变化规律,并对径流在不同时间尺度上变化的影响因素进行了探讨。研究结果对于认识黄河径流的变化规律、开发利用管理黄河水资源有着重要的意义。

With recent comprehensive investigation of TaLimu river, the response of runoff to climate variation of KaiDu river, an important source of TaLimu river, has been a research focus for many scientists. Because a few human activities happened in KaiDu catchment, the variation of runoff is mainly caused by climate change, especially in yearly and seasonal temporal scale.   KaiDu catchment is located in the middle of TianShan mountain in XinJiang municipality and has only one meteorological station and one hydrological...

With recent comprehensive investigation of TaLimu river, the response of runoff to climate variation of KaiDu river, an important source of TaLimu river, has been a research focus for many scientists. Because a few human activities happened in KaiDu catchment, the variation of runoff is mainly caused by climate change, especially in yearly and seasonal temporal scale.   KaiDu catchment is located in the middle of TianShan mountain in XinJiang municipality and has only one meteorological station and one hydrological station within the range of 19 012km~2. On the large spatial-temporal scale or in the case of data absence, researchers often divide runoff, precipitation and temperature series per ten years into several periods, then acquire the rule of runoff response to climate though comparing the changes of natural elements between difference periods. Obviously, it is impossible for natural elements to take substaintial changes every ten years, it is reasonable to partition the periods of series according to the varition feature of natural elements. In this paper, Mann-Kend all test and Mann-Whitney test is applied to detection the monotonic trends and step trends of yearly and seasonal runoff, precipitation and temperature series from 1958 to 2000 and take the changes point of trends feature as the boundary of periods.  The analysis result show that spring runoff is stable in past 45a, other seasonal runoff and yearly runoff are much smaller during 1974 and 1986 than other periods and show significant monotonic increasing trends after 1987. Yearly average temperature during 1975 and 1988 is lower than other periods and average temperature in summer take step increase after 1977. Precipitation show great spatial differences: upstream area has more precipitation than middle-stream area, yearly precipitation decreased after 1973 and aestival precipitation during 1977 and 1988 is fewer than other periods in upstream area, both yearly and aestival precipitation of middle-stream area increased after 1987. By comparing the variation of runoff, precipitation and temperature on the base of runoff periods partition, it is found that climate variation in summer is key reason for runoff change in summer, autumn and winter, precipitation directly influences the runoff but temperature does it through glacier wastage, precipitation has more weight than temperature in influencing runoff change. The reduction of glacier wastage during 1974 and 1986 make the decrease percentage of runoff greater than precipitation, and the augment of glacier wastage during 1986 and 2000 make the increase percentage of runoff greater than precipitation.

开都河属塔里木河的源流之一,随着塔里木河流域近期综合治理的深入进行,开都河径流变化对气候的响应关系已逐渐成为国内外科学家关注的热点问题之一。鉴于此目的,该文采用经典的Mann Kendall和Mann Whitney检验方法,利用该流域巴音布鲁克气象站和大山口水文站1958~2002年的实测资料,分析对比了气温、降雨和径流序列变化特征。结果表明:除春季外,其他季节的年径流基本表现为1958~1973年偏丰、1974年~1986年偏枯和1987年~2000年偏丰,并在1987年~2000年间表现为显著上升的趋势;年平均气温经历了高 低 高三阶段,其中夏季气温总体呈上升趋势;降雨的空间差异性明显,上游年降雨量1973后跳变减少,其中夏季降雨量于1977年~1988年间为多年最小值;中游夏季降雨量1987年后跳变增加。以径流自身的特征变化为时段划分基础,对比了径流、降雨和气温变化过程,研究表明:夏季年际降雨与气温变化是引起夏、秋、冬季径流变化的根本原因;其中年降雨变化对径流变化起主导作用,夏季气温变化导致的冰川融水变化对径流具有一定调节作用,70年代~80年代冰川融水减少使径流减少幅度大于降水减少幅度,而90年代冰...

开都河属塔里木河的源流之一,随着塔里木河流域近期综合治理的深入进行,开都河径流变化对气候的响应关系已逐渐成为国内外科学家关注的热点问题之一。鉴于此目的,该文采用经典的Mann Kendall和Mann Whitney检验方法,利用该流域巴音布鲁克气象站和大山口水文站1958~2002年的实测资料,分析对比了气温、降雨和径流序列变化特征。结果表明:除春季外,其他季节的年径流基本表现为1958~1973年偏丰、1974年~1986年偏枯和1987年~2000年偏丰,并在1987年~2000年间表现为显著上升的趋势;年平均气温经历了高 低 高三阶段,其中夏季气温总体呈上升趋势;降雨的空间差异性明显,上游年降雨量1973后跳变减少,其中夏季降雨量于1977年~1988年间为多年最小值;中游夏季降雨量1987年后跳变增加。以径流自身的特征变化为时段划分基础,对比了径流、降雨和气温变化过程,研究表明:夏季年际降雨与气温变化是引起夏、秋、冬季径流变化的根本原因;其中年降雨变化对径流变化起主导作用,夏季气温变化导致的冰川融水变化对径流具有一定调节作用,70年代~80年代冰川融水减少使径流减少幅度大于降水减少幅度,而90年代冰川融水增加使径流增加幅度大于降水增加幅度。

 
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