闸

Traditionally,loads of the arc gate are applied on the support or gate frusta as a set of concentrated load,but the effect range of such load on the frusta cannot be solved by Material Mechanics and Structure Mechanics. Most of the load cases are fulfilled through optic-elastic test.

通常弧门荷载作为一组集中荷载作用于牛腿或闸墩上，而这组荷载对闸墩受力的影响范围材料力学方法和结构力学方法是不能解决的，受力状况大部分是通过光弹试验完成。

There are transistor faults of conduction through and open easily to be happened in the power unit of generator excited system.

在发电机励磁系统功率单元中最常见的故障有晶闸管直通和晶闸管开路故障。

Scales were reliable for determining the ages of crucian carp in Dongting Lake which showed a faster growth and a relatively simple age structure.

为此，在1998年1月至1999年9月期间，于东洞庭湖的岳阳、六门闸和洪湖新闸、瓦沟子，逐月或隔月进行取样，共采集样本5620尾。

1 Laid on the observation points, the next gate in the first paragraph and the chamber are in side-dock-type pier and construction of a wide bottom seam laid 8 to each end of the settlement within 24 observation points nails; chamber 14 Fu wall segments are in lock wall at both ends of the floor laid four nails into account the settlement of 56 observation points; settlement nail making use of 40cmФ18 rebar welded copper top round hat hemisphere processed, buried, when coupled with oblique bars welded to the end of plate surface layer and vertical reinforcement, the top highlight the concrete surface, about 1.5 ~ 2.0cm in order to guarantee points are solid.

3.2.1观测点的布设上、下闸首及闸室坞式段均在边墩底板及施工宽缝的两端各布设8个沉降钉计24个观测点；闸室14节扶壁段均在闸墙底板两端各布设4个沉降钉计56个观测点；沉降钉的制作采用40cmФ18螺纹钢顶端焊接镀铜半球圆帽加工而成，埋设时配以斜筋焊接在底板面层及竖向钢筋上，顶端突出砼表面1.5～2.0cm左右，以保证点位稳固。

A new three-phase AC voltage-regulating AC circuit which use thyristor three-phase bridge controlled rectifier as three-phase symmetrical Y connection is presented.

提出了一种用晶闸管三相全控整流电路用作三相Y接对称性电阻性负载进行的三相交流调压电路，此调压电路由晶闸管三相全控整流电路改造而成，并分析了工作原理，给出了实验结果。

This paper presents a new structure of thyristors with a thin emitting region based on the pin diode model for thyristors.

在晶闸管的pin二极管模型基础上，提出了薄发射区晶闸管新结构。

Velan is one of the world's leading manufacturers of industrial valves, supplying forged and cast steel gate, globe, check, ball, butterfly, knife gate and engineered severe service valves for critical applications in power, chemical and petrochemical, oil and gas, pulp and paper, mining, marine, cryogenic and general construction industries.

Velan是世界工业阀门行业主要的制造商之一，提供锻钢和铸钢闸阀、截止阀、止回阀、球阀、蝶阀、刀闸阀和适用于关键部位的工作强度繁重的工程阀门，适用于电力、化工和石化、油气、纸浆和造纸、矿业、船舶、低温和普通建筑行业。

The land in the delta was seriously salified and it was very difficult for men and livestock to get drinking water.

华北平原由于水资源匮缺，各河口大都建河口挡潮闸，由此引起的闸外淤积问题严重。

In this paper,a software in the loop simulation system for Automobile Electric Parking Brake is designed and implemented using Matlab/Simulink as the simulating environment and the operating system Windows as the user interface.

根据汽车电动手闸系统控制单元软件开发的需要，研制了汽车电动手闸控制软件在线仿真系统，并描述了该仿真系统的原理、组成及功能。

The main research of the optimal reclosing time is the issue of stability and control. Automatic reclosure can be considered as the method of stability and control.

最佳重合闸时刻的研究实质是一个稳定控制问题，可把重合闸看成一种稳定控制手段。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。