闸

The invention relates to a tension-regulator for the braker is stationary bicycles characterized in that the regulator assembl has a single continuous cable from the lower mechanism to the control located on the upper part of the shank of the handlebars.

本发明涉及了一个静态自行车车闸的张力调节器，其特征在于：调节器装配件具有单根连续的钢绳，从下部机构到位于手把立柱上部的控制钮。

The key point of the structure of the utility model is that: the other side of the reducer that is arranged on the platform is provided with a hoisting device; the roller shaft end of the electronic controlled windlass is provided with a hub, a damper brake is arranged outside the hub; the input castellated shaft of the reducer that is arranged on the electronic windlass is provided with duplicate gears that have different amount of teeth.

本实用新型包括标准节，两侧标准节的中间为平台，电控卷扬机的卷绳通过平台上的滑轮同吊盘相连；平台上的减速器的一侧设置有可提升平台的具有卷绳的滚筒，平台上设置有具有滑轮的支架，其结构要点平台上的减速器的另一侧设置有提升装置；电控卷扬机的滚筒轴端设置有轮毂，轮毂外设置有制动闸；电控卷扬机的减速器的输入花键轴上设置具有不同齿数的双连齿轮，双连齿轮之间的凹槽内的拨杆同减速器外的摇把相连。

Its operating principle is that electric energy is changed into mechanical energy by drive unit, then the liquid in the cylinder body forms high and low pressure to drive piston up by impeller circumrotation, so vertical motion is changed into wagging of brake arm by leverage and declutch is completed. This product has passed the experiment test by National Quality Supervise Administration and every technical criterion is accorded with national trade standard.

电力液压块式制动器包括电力液压推动器和块式制动架两部分组成，其工作原理是通过驱动装置的电能变成机械能，通过叶轮旋转，使缸体内液形成高低压腔推动活塞向上运动，从而通过杠杆机构将垂直运动转变成制动臂的左右摆动、完成松闸。

For several decades, the construction of water power in our country has developed greatly. Sluice is not only used to block, but also flush water. So it has the features of blocking and flushing structures. Sluice pier and upper frame are the important parts in the sluice constructer. It is necessary to analyze and design on the structures.

近二三十年来，国内外水利水电事业蓬勃发展，水闸作为既能挡水，又能泄水的建筑物，因此它兼有挡水建筑物和泄水建筑物的工作特点，闸墩及上部排架为水闸很重要的一部分，其分析与设计工作是必要的。

In order to solve the problems of dewatering and hydraulic connection among the multi-aquifer system in the excavation of the pits of the Dasi deep well gate and the lock gate,pumping tests were conducted in the field and the characteristics of groundwater transport in the ③_2 and ⑤ find sands were analyzed.

为了解决大寺深孔闸、船闸基坑开挖时的降排水工作及多层含水层的相互联通关系，我们进行了现场抽水试验，查明了拟建场地地基土③2层极细砂和⑤层极细砂的地下水运移特征，提出了基坑开挖应采取的排水措施。

In the experimental processes, the degenerately p-doped silicon wafers with 100 nm silicon oxide were used as the back gate; palladium metal electrodes were formed by photolithography combined with lift-off technique, and finally deposited and aligned CNTs on the predefined electrode pairs to complete devices fabrication by using alternating current dielectrophoresis.

在实验制作方面，我们以退化型之重掺杂矽基材作为背闸极，基材上方长出100nm之氧化矽绝缘层，配合微影制程定义钯电极於介电层上，再利用介电泳力将奈米碳管接合至电极上方，完成奈米碳管电子元件之制作。

According to capability of the circuit of DC motor, build the model of DC motor; designed the speed-current double closed loop system based on the model of DC motor; analyzed the method to solve the problem of discontinuousness of current.

二、根据直流电机回路，建立电动机的数学模型；针对该电动机模型，选用速度——电流双闭环控制系统，建立双闭环系统的控制方框图；分析晶闸管相控整流方式中出现电流断续现象的解决方法。

Finally, general requirements on thyristor reverse recovery charge dispersity dictated by valve design at giving system conditions are proposed.

最后，得出在系统条件一定的情况下，阀设计时对所选用晶闸管的反向恢复电荷分散性的一般要求。

The screen mesh-typed dissipater was recommended,aimed at the structure,hydraulic calculation and the baffle energy calculation,some advice was given in this paper to offer some reference for water conservancy constructors to put into practice.

对中小型堰、闸、跌水等渠系建筑物消能设施的选择提出见解，推荐采用筛网式消能工，并且针对筛网式消能工的结构布置、水力计算、消能计算提出一些建议，供水利工作者在实际工作中参考。

Above all, emancipatory thought, change idea, establish brake handle to connect the new idea of the market.

首先，解放思想，转变观念，树立闸把子连市场的新观念。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。