• 官塘水库渗流分析渗透比降流量

    Xiongguantang Reservoir; seepage analysis; seepage gradient; seepage quantity.

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  • 来水量增多河道比降变小,造成局部洪峰水位异常壅高。

    Increasing of water and decreasing of gradient of channels, the flood water level rose abnormally in some local sections of river.

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  • 防渗处理满足于地下水比降交替循环条件等方面要求

    The preventive measures should meet the requirements of the gradient of water table and the condition of water circulation.

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  • 淤地坝淤积面一定比降尾部存在显著翘尾巴现象

    The depositing surface of soil-retaining DAMS has certain vertical gradient, the tail exists obvious phenomenon of "raising tails".

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  • 依据河道比降变化情况,不同河段纵向扩散系数进行估值

    Considering the change of stream gradient, we estimated the parameter of longitudinal coefficient of diffusion in different reaches.

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  • 河道比降组成河道边界条件影响形成主要因素

    Stream gradient and bed sand constituent are the main factors which is influencing on river pattern formation in the boundary condition.

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  • 影响汊道分流比的主要因素:两汊比降、过面积糙率流速等

    Main factors effecting on flow rate in braided river is gradient of anabranch, area of water, roughness and velocity.

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  • 并且由于海平面高度相对稳定较高位置,河流纵比降较小,流速较小

    The sea level stops in a high position for a long time, so both drop of water and current velocity are small.

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  • 影响汊道分流比的主要因素有:两汊比降、过水断面积糙率流速等

    Main factors effecting on flow rate in braided river is gardient of anabranch, area of water, roughness and velocity.

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  • 杭州钱塘江实验结果表明,粉土的临界水力比降一般砂土有差异。

    Test results of Qiantang River silt in Hangzhou show that the critical hydraulic gradient of the silt differs from that of sandy soil.

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  • 弯道水流动力特性主要集中水面比降横向环流流速重分布等方面

    Bend flow momentum characteristics is mainly concentrated in the surface sloop, cross circulation and the velocity re-distribution.

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  • 平原地区一般河网密度高,河道比降,水流流泄不畅,极易造成内涝灾害

    In the plain area, because of the channel density is large and the slope of riverbed is small, the channel flow is slow and the waterlogging often occurs.

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  • 实际应用显示钢板桩实施有利于减小渗流水头降低堤身浸润线出逸比降

    The effect of practice showed that the seepage prevention wall is beneficial to reducing the seepage water head, decreasing the seepage line inside dike and escape gradient.

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  • 对于粉土渗透变形粉土的临界水力比降、粉抗渗强度研究重要意义。

    The invention has great significance on the researches of the permeation deformation, the critical hydraulic gradient and the anti-permeability strength of the silt.

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  • 为了降低河堤行洪时出口比降提高堤防稳定性提出水平排水工法的概念

    The concept of horizontal drainage board method is proposed for the improvement of the stability of river embankment by the control of hydraulic gradient in flood infiltration.

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  • 渠道率、比降断面形状、来组成和引水流量影响引黄渠道沙能力主要因素;

    It is revealed that the roughness factor, slope of the canal bed, cross section of the canal and sediment sizes are the important factors which influence the sediment transport capacity of the canal.

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  • 严重水资源紧缺形势面前,根治比降关键措施洪泽湖反季节运用下游直流入海

    Before the severe shortage of water resources, the key measures to eradicate the antislope are the usage of the Hongze lake and dredging the downstream into the Yellow sea.

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  • 弯曲型河流的水流运动研究包括流速及流速分布比降、流场分布、环流运动、紊动特性等。

    The research about the bend-flow includes velocity, the distribution of velocity, slope, the distribution of flow, circumfluence of flow and the characteristic of turbulent.

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  • 根据研究需要选取沟道长度、沟道宽度沟壑密度比降作为分析沟道变化的判别指标

    Thirdly, according to the research needs, selected gully length, gully width, gully density and vertical slope as the evaluation index.

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  • 通过有限元计算函数推导,系统研究了面板接缝渗流规律,给出了接缝渗流量和渗透比降解析计算公式,可用于面板堆石坝接缝渗流控制的设计。

    The seepage of CFRD joints is studied by using finite element calculation and complex variable function. The analytical equations of seepage quantity and gradient are deduced.

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  • 应用建立水沙数学模型以及河岸冲刷模型,模拟了一概化弯道在持续清水冲刷主流线位置、断面形态、主比降变化过程,模拟结果符合弯道演变规律。

    The model is applied to forecast the variation process of main stream direction, cross section and channel slope of a conceptualized curved river under the erosion of clear water.

    youdao

  • 本文根据黄河主要干支流冲积河段实测高含沙洪水输沙资料,从黄河下游河道比降、河流速沿程调整、洪水非恒定性等方面分析研究了冲积河道输沙特性河床冲淤特性。

    The variations of slope and width, adjustments of flow velocity along the river course as well as the variability of flood in the Yellow River are analyzed based on the observation data.

    youdao

  • 这种最新最贵降胆固醇药物普通同类药物更好用吗?

    Is the latest and most expensive cholesterol-lowering drug any better than its common competitors?

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  • 本月武装群伙更是以前屈尊贵”,竟然干起了绑架小孩敲诈行径包括位三英国孩童一位卓越酋长儿子

    This month armed gangs stooped lower than ever by kidnapping toddlers for ransom, including a three-year-old Briton and the son of a prominent chief.

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  • 许多科学家希望年内排放水平比1990年下降2540个百分点。

    Many scientists, for instance, would like to see commitments to cut emissions 25 to 40 percent below 1990 levels within a decade.

    youdao

  • 女性平均工资相对男性而言不升反;从事高级行政职务女性年前更少(低于2%)。

    Women's average wages had actually fallen relative to men's; there were fewer women in the top ranks of civil service (under 2%) than there were four years before.

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  • 若假定2008年全球GDP增长率为2.5%3%,那么全球货物贸易增长减缓到4.5%,比2007年下降1个百分点。

    Assuming a basic scenario of global GDP growth between 2.5% and 3%, global merchandise trade could slow down to about 4.5% in 2008, or about 1 percentage point less than in 2007.

    youdao

  • 若假定2008年全球GDP增长率为2.5%3%,那么全球货物贸易增长减缓到4.5%,比2007年下降1个百分点。

    Assuming a basic scenario of global GDP growth between 2.5% and 3%, global merchandise trade could slow down to about 4.5% in 2008, or about 1 percentage point less than in 2007.

    youdao

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