尾水

In light of the actual hydrological characteristics of a certain hydropower station, small fluctuation stability of the two kinds of tailrace layout, tailrace tunnel with sloping ceiling and tailrace surge tank, of hydropower station under extremely low head is compared and analyzed.

结合某电站的实际水文特性，比较与分析了两者在超低水头这一特殊条件下的小波动稳定性，得出变顶高尾水洞对超低水头的适应性较之尾水调压室要强的结论

The tail tunnels with sloping ceiling is a new bodily form of pipeline for hydro-power stations. In the specific conditions, it can replace the surge tank of tailrace tunnel .It is applicable specially, if the water lever fluctuates greatly in lower reaches of a river and the length of tailrace tunnel system is between 150m and 600m.

变顶高尾水洞是一种新型的水电站管道体型，它在特定条件下能够取代尾水调压室，尤其适用于下游水位变幅大、尾水系统长度在150—600m之间的情况，从而节省较多的工程量，加快施工进度。

This paper presents the main results of the research on the transition process of the diversion system at the Hongjiadu hydropower station in the presence or absence of the tailwater surge chamber.

对洪家渡水电站引水系统在设置尾水调压室和取消尾水调压室两种情况下的过渡过程进行了计算研究。

The water flow movement basic equations of transient process caused by small fluctuation in the inclined roof tailrace system were deduced, and then analyzed and calculated.

推导了变顶高尾水系统小波动过渡过程水流运动的基本方程，对基本方程进行分析与求解，并以某电站为例，探讨了变顶高尾水系统小波动过渡过程的基本规律。

The results indicate that the tailrace tunnel has a good effect on air cooling and dehumidification in summer, and that the parameters of outlet air in the tailrace tunnel are mainly influenced by the temperature of tail water rather than by the parameters of outdoor air and the terminal air parame...

测试结果表明，夏季运行时无压尾水洞对引入空气有良好的降温除湿效果；在无压尾水洞足够长的条件下，尾水洞末端引风参数主要受尾水温度的影响，而受室外空气参数的影响很小，尾水洞出口空气接近对应尾水温度的饱和状态。

Based on the heat and moisture transfer theory, establishes the quasi three-dimensional and simplified model of heat and mass transfer between air, tailrace water and surface of tailrace tunnel using the lumped parameter model.

在水－空气热湿交换理论的基础上，采用集总参数法建立了无压尾水洞引风过程空气与尾水及洞壁面之间进行热湿交换的准三维数值模型及其简化模型。

In tailrace tunnels of Baise Hydropower Station, a transient mixed free-surface-pressure flow may occur, which has a complex effect on the stability and transient of the power plant, so it is needed to build a reasonable and feasible mixed free-surface-pressure flow numerical model.

百色水电站运行时，尾水隧洞中有可能出现明满交替流动而使尾水系统对电站运行的稳定性和过渡过程都带来复杂的影响，因此建立合理可行的明满交替流动数值模型是完全必要的。

Nowadays the single tube and single-unit hydroelectric station have been used widely and skillfully, but it is necessary for some large hydropower stations to use tailrace bifurcated tubes, just as Xiaolangdi, Xiangjiaba, Baishe project and so on. So it is significant to study the transients of long tailrace tunnel with tank or without tank.

对于尾水系统，单管单机的布置方式比较成熟，尾水岔管的布置方式目前在大型电站中用的较多，如小浪底、向家坝、百色等，因而研究其在有尾水调压井和无尾水调压井的情况下的过渡过程，很有实用意义。

Vertical curtain grouting method, assisted with direct engineering measures of seepage-proof covering and damming, was adopted to control the draining and reutilize the tail water.

某尾矿库位于较为典型的岩溶地区，曾发生尾矿水渗漏造成环境污染，经采取垂直帷幕灌浆为主，辅以防渗铺盖、防渗堤坝的直接工程措施和对库内尾水进行回收利用、控制外排的综合治理措施，库水的渗漏得到了有效的遏止，防渗工程项目顺利通过环境检测验收。

A model for optimization of the bottom shape of the rectangular orifice surge tank in the tail tunnel used by three units is studied in this paper.

针对3台机组合用1条有压尾水隧洞的矩形阻抗式尾水调压室底部流道的体型进行了优化试验研究。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。