比降

堤基粉质黏土临界比降概率分布推断

Statistical Inference of Probability Distribution for Critical Gradient of Silty Clay of Levee Foundation

泥石流沟沟床比降统计分析

Statistic Analysis on Groove Gradient of Debris Flow

10mg／kgDa组，蛋重升高到最大（P＜0.05），且耗料量和料蛋比降到最低（P＜0.05）；

Egg weight was the highest ( P < 0.05 ), and feed consumption and feed / egg ratio decreased ( P < 0.05 ) at the dose of 10 mg / kg ;

结果表明，渗漏量及下游渗流出口渗透比降基本随防渗长度的增大呈线性趋势减小，当防渗长度为200m（全防渗）时，渗漏量及各渗透比降均小于允许值；

The results reflected that the seepage quantity and the outfall seepage gradients in downstream of the dam is basically linear proportional to the impermeable body length .

依各流路演变过程实测资料和给定的预估水沙系列得到相应各序列年份的淤积比降Ja，水沙条件系数M和边界条件系数A值。

The deposition slope Ja , boundary condition coefficient A and Oncoming runoff and sediment condition coefficient M can be obtained according to measured evolution process of the courses and given runoff and sediment in sequence of date .

该方法使雷达将可靠检测的信噪比降到7dB左右，相当于将雷达的最大作用距离提高了近40%。

By applying this method , reliable detectable SNR of the radar can be decreased to about 7 dB , which means that the maximum radar range is increased by around 40 % .

振子共振时其动摩擦系数与静摩擦系数之比降为～0.1。箝位振子的激励电压仅为±80V（峰峰值）。

When the vibrator is in the resonance state , the ratio of moving friction coeff cient to static one will decrease to-0.1 . The driving voltage of position-gripped vibrator is only ± 80V ( Vp-p ) .

在洪水期水量沙量集中时，应尽量降低水位（295～298m）排沙运用，增加峰前比降，加大洪水冲刷力度，排沙效果会更好。

When incoming water and sediment are concentrated in flood season , the water level should be lowered for discharging sediment , the water surface slope before flood peak increased and flood scouring enlarged , the effect of discharging sediment can be better .

横比降在长江口河演中的作用

Role of Transverse Slope in River-Bed Evolution in the Changjiang Estuary

山前冲积扇河流变态动床模型与比降变态

Distortion Movable-bed Model of River on Piedmont Alluvial Fan and Slope Distortion

黄河山东段水文实测水面比降评价

Assessment on water surface slope in Shandong reach of the Yellow River

我国西南地区崇山峻岭，河流水量大、比降大，水力资源极为丰富。

Southwest of our country water resources is very abundance .

到了2005年，其收入与平均值之比降到了8%。

By 2005 , that was down to 8 % .

船闸灌泄水引航道内波幅与比降研究

Test on Wave Amplitude and Slope During Lock Filling and Emptying in Approach Channel

河流比降变缓；

The slope of the river became gentle ;

黄河下游萎缩性河道挖河减淤的临界比降研究

Critical slope of shriveling channel adopting dredge to reduce the deposition in Lower Yellow River

在进一步对一些慢性病进行校正后，优势比降到1.36。

After further adjusting for a number of chronic diseases , the OR was lowered to1.36 .

炼铁工序提高煤比降焦节能探讨

Study on raising coal rate reducing the coke ratio and energy consumption in the iron making working procedure

三峡电站日调节对下游河道水面比降的影响

Influences of the Three Gorges Hydropower Station ′ s daily regulation on water surface slope of downstream reach

进一步的敏感性分析表明，影响海塘抗渗可靠性的主要因素是抗渗比降的均值、变异系数和外江水位均值。

The result of analysis shows that the seepage-resistance reliability of Xiasha seawall is a lower value of0 .

弯道水流的动力特性主要集中在水面横比降、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 .

河床组成与河谷比降直接影响流量过程的作用效果。

The discharge process influences the channel pattern based on the relationship between the flow and the river bed .

防渗处理应满足于对地下水比降、水交替循环条件等方面的要求。

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

而堆积扇面积与沟床比降之间可用一个负的指数关系式表达。

And a negative power function can be used to express the relationship between channel gradient and debris flow fan area .

河道比降、床沙组成是河道边界条件中影响河型形成的最主要因素。

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

淤地坝淤积面有一定的纵比降，尾部存在显著的翘尾巴现象。

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

来水量增多而河道比降变小，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 .

1960年，这类家庭的收入等于平均值的0.16倍；到了2005年，其收入与平均值之比降到了8%。

In 1960 , such a household earned 16 % of mean income . By 2005 , that was down to 8 % .

裁弯后裁弯河段上游河道比降加大，河床冲刷，同流量的水位较裁弯前降低，其降低值自下游往上游减小，枯水期大于汛期；

The river channel slope upstream cutoff is increasing with riverbed erosion , and the water stages for the same discharge correspondingly lowered .

澜沧江属于典型的山区河流，航道普遍存在着水流急、比降大、弯道多的特性，这些严重地威胁着船舶航行的安全。

Since Lancang river belongs to the typical mountainous rivers . The waterway equipped with rapid flow , large falling gradient and many bends .