查询词典 wicket gate

All the faces in the street were in the windows; the little maidservant flew to the wicket?gate; the Mesdames Clapp looked out from the casement of the ornamented kitchen; Emmy, in a great flutter, was in the passage among the hats and coats; and old Sedley in the parlour inside, shaking all over.

这条街上的人都从窗口探出头来张望；那小丫头飞奔到栅栏门口；克拉浦母女从兼做会客间的厨房窗口往外看；爱米心慌意乱，在过道里挂衣帽的地方等着；赛特笠老头儿在客室里浑身索索的抖。

As the complete characteristic curves of reversible pump turbine are often used to calculate the instantaneous parameters, this paper studies the characteristic curve and the wicket closure and opening law in pumped storage plants.Chapter 1 presents the importance and the necessity of this study and reviews the previous related research on hydraulic transient process and valve regulation in pumped storage plants.Chapter 2 analyzes the six collected characteristic curves of reversible pumped turbine and studies their diversification from the point of view of specific speed. The six collected discharge and moment curves with maximum efficiency have been fitted to piecewise continuous curves. This curve-fitting procedure is listed.Chapter 3 takes Liyang Pumped storage plant as an example and analyzes the effect of different characteristic curves on regulation guarantee parameters and the variety of its trochoid during the same operation status.Chapter 4 takes three pumped storage plants with different heads as examples and studies the characteristic of coordinated closure with wicket gate and ball valve and its effect on dynamic pressure in the spiral case, inlet pressure in the draft tube and the rise of rotating speed.Chapter 5 summarizes this paper and point out what should be done in the future research.

由于在过渡过程分析计算中，需要频繁利用可逆式机组的全特性曲线推求机组的瞬时参数，所以本文就特性曲线及关闭规律问题进行了研究，其主要内容如下：第1章，指出本文研究的意义和目的，回顾前人对水力过渡过程、抽水蓄能电站及阀调节的研究成果，在此基础上提出本文的研究内容；第2章，针对收集到的六套特性曲线，从比转速的角度出发来研究可逆式机组特性曲线的变化规律；并对六套曲线的最高效率流量和力矩曲线进行分段拟合，得到各分段函数的具体形式，再通过举例说明最高效率曲线的拟合步骤；第3章，以溧阳抽水蓄能电站为实例，分析讨论不同比转速特性曲线对调保参数造成的影响及对于相同工况其轨迹线的变化；第4章，结合高、中、低三水头段抽水蓄能电站，在导叶直线关闭的基础上，研究导叶与球阀协联关闭规律的特点及对蜗壳动水压力、尾水管进口压力及转速上升造成的影响；第5章，总结全文，提出今后研究的重点和方向。

In this paper,the principle for the orifice flow-meter to measure the hydraulic turbine wicket gate leakage was introduced.

本文介绍了用标准节流孔板流量计进行水轮机导叶漏水量测量的基本原理，结合实例介绍了计算方法并进行了误差分析。

But at last he heard the wicket gate in the great outer door click behind him , felt the fresh air of the outer world upon his anxious brow , and knew that he was free !

最后，他终于听到监狱大门上的便门在他身后咔哒一声关上了，感到外面世界的新鲜空气吹拂在他焦虑的额上，他知道，他自由了！

Tumbling history: a wicket gate, a small hard red ball, hard

的历史之幕上清晰凸现的图像：一个边门，一个小而硬的红球，坚固的白色

A small green court was the whole of its demesne in front; and a neat wicket gate admitted them into it.

沿着蜿蜒的山谷走上一英里多路，便来到她们的家，屋前只有个绿茵小院，她们母女几个穿过一道整齐的小门，走进院里。

Vibrations induced at both the lower guide bearing and a wicket gate are analysed in order to detect the cavitation occurrence and to quantify its aggressiveness.

而且他们还分析了在边门引起的震动以便于发现气窝并确定它的危害。

During the big fluctuation transient condition of a hydropower station operation, in order to minimizing the water pressure and the hydraulic units' run-speed rising, optimizing the wicket gate closing law is one of the most economic way to solve the station operation security problem during the process of big fluctuation transient.

水电站运行的大波动过渡过程中，为了最大限度地减少水压上升值与转速上升值，通过导叶关闭规律来解决大波动过渡过程中水电站的运行安全问题是最经济的有效措施之一。

Multiple class partial flow pump:(1)The head coefficient value should be low in the single class partial flow pump.(2)The total area of larynx wicket gate should be 200% the single classs larynx area.

2对于多级部分流泵：(1)部分流多级泵扬程系数的取值应比单级部分流泵的取值偏低一些；(2)部分流多级泵导叶总的喉部面积应是单级部分流泵喉部面积的两倍。

Firstly, turbine wicket gate bearing was held; secondly, overstressing of the turbine wicket gate appeared after storage of the unit being increased; thirdly, permeable quantity of turbine wicket gate clearance was high.

1水轮机导叶轴承抱轴问题；(2)机组增容后水轮机导叶所受应力超限问题；(3)水轮机导叶间隙漏水量较大问题。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。