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approximate power function
相关语句
  近似幂函数
     runoff producing rate and erosion modulus increases linearly with lengthening of slope length. Runoff quantity increases along with the time of the rainfalls with the character of hopping and fluctuating,sediment content descents adapt to the rainfall time with the character of approximate power function.
     试验表明,降雨作用下砾石土斜坡表面土体形态变化具有明显的阶段性特征,随着坡长的增加,产流率和侵蚀模数成线性增加,径流量随降雨时间跳跃和波动性增加,径流泥沙含量随降雨时间的增加以近似幂函数曲线关系递减。
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  相似匹配句对
     The power function equation is D= K T . K is approximate to 4 139.96.
     (2)兔缺血性脑卒中模型起病后24小时内溶栓时间(T)与溶栓所需的最小有效剂量(D)之间存在幂函数关系,函数方程为D=KT,其中K为一常数,数值近似等于4139.96。
短句来源
     the power;
     动力论;
短句来源
     POWER
     清华的力量
短句来源
     The Party in Power:Its Role and Function
     执政党社会角色定位和功能作用的发挥
短句来源
     Approximate Expression to Error Function
     误差函数的近似式
短句来源
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Gravelly soils are made up of gravel,cobble,sand and cohesive soils.They have been widely used in engineering applications such as earth-rock dams impervious fillings and stub cutoff walls.Present researches are mainly aiming at these engineering applications;researches on fine grained soils of the loose gravelly slopes running off under rainfalls,making structures of the soils alteration and affecting their mechanical properties or even affect the slope stability,are few order to study the erosion process and...

Gravelly soils are made up of gravel,cobble,sand and cohesive soils.They have been widely used in engineering applications such as earth-rock dams impervious fillings and stub cutoff walls.Present researches are mainly aiming at these engineering applications;researches on fine grained soils of the loose gravelly slopes running off under rainfalls,making structures of the soils alteration and affecting their mechanical properties or even affect the slope stability,are few order to study the erosion process and features of the gravelly slope soil under rainfall conditions,this essay carried out a sort of artificial rainfall local and model experiments;and the water content and sediment content of the runoff is monitored in the experiment.Result shows that the shapes of the slope surface transformed phasicly;runoff producing rate and erosion modulus increases linearly with lengthening of slope length.Runoff quantity increases along with the time of the rainfalls with the character of hopping and fluctuating,sediment content descents adapt to the rainfall time with the character of approximate power function.

砾石土因其含砾、粉细砂和粘性土,具有级配宽、不均匀系数大、透水性强等特点,在土石坝防渗体土料和工程防渗墙中得到广泛应用。目前的研究多针对砾石土在工程应用方面,对于坡面松散砾石土降雨淋滤作用导致土体细粒成分流失、土体组构改变以至影响土体力学性质变化以及坡面物质稳定性变化等系列研究并不多见。利用人工降雨装置,进行了人工降雨坡面松散砾石土降雨淋滤试验,开展了砾石土侵蚀过程及其特征初步试验研究。试验表明,降雨作用下砾石土斜坡表面土体形态变化具有明显的阶段性特征,随着坡长的增加,产流率和侵蚀模数成线性增加,径流量随降雨时间跳跃和波动性增加,径流泥沙含量随降雨时间的增加以近似幂函数曲线关系递减。

 
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