水力的

Pretreatment of wastewater from pyrimidine production by iron-carbon microelectrolysis -Fenton oxidation process;2. The per-treatment of high strength cyclohexanone wastewater by iron-carbon microelectrolysis -coagulation process was studied, and four affecting factors,i.

研究了用铁炭微电解-混凝工艺预处理高浓度环己酮废水，通过实验确定了铁炭质量比、进水pH值、水力停留时间及曝气时间4个影响因素的最佳条件分别为：铁炭质量比为1∶2，环己酮废水进水pH为2～3，停留时间为4h且有曝气条件下，COD去除率达到55。

Principles of microseismic monitoring in imaging of hydraulic fracturing, monitoring of waterflooding front, and dynamic monitor of reservoir and earth stress were discussed.

重点介绍了在油田中用微地震监测技术进行水力压裂裂缝成像、水驱前缘监测、储层描述和地应力监测的应用原理。

A DS-3P valve controls the hydraulic motor. A multiturn absolute pulse generator is mounted on top of one spindle, and directly coupled to it to prevent any possible backlash in the gears.

DS-3P 阀门控制水力马达。multiturn 绝对脉冲发生器登上在一个纺锤顶部，和直接地被结合对它防止任一可能的后退在齿轮。

As for the excavation of the sand-gravel zones,except the toe slab and its 1/9 bottom width down stream,the alluvial layers are excavated to the micro-weathered rocks,while the other sections remain unexcavated.

闸门利用水力和杠杆原理实现自控关闭；闸坝平时挡水发电，洪水期自动翻倒泄洪冲砂，有效地解决洪水对上游库区实物的淹没损失及水库泥沙淤积问题；闸坝采用地下混凝土连续墙进行地基防渗处理及面流消能，消能效果显著，工程投资少。

According to flowing back problem at Hailaer exploration district ,a method of unflowing to acquire production by using long steel line and hydraulic pump is discussed.

针对海拉尔探区中深井排液难的问题，探讨了利用长钢丝绳抽汲排液及水力泵排液求产方法。

At last we improve the condition of activated sludge bulking successfully by taking the following measures.

同时我们发现，增加排泥以及增加水力停留时间也是有效的辅助措施。

Ocean Energy—Hydroelectric energy, from the damming of rivers, has been around for a long time.

海洋能源—透过建造水库利用河川水力进行发电，已是相当古老的发电方式。

Soil erosion is defined as the course of destroying, denudating, moving and depositing of soil and other substances on the ground, under the actions of hydraulic forces, wind, gravity and freeze-thaw.

土壤侵蚀是指在水力、风力、重力、冻融以及其它外营力作用下土壤、土壤母质及其它地面组成物质如岩屑、松散岩层等，被破坏、剥蚀、运转、沉积的过程。

During the process of design, the procedures about some key assemblies such as filtrating component power of water canister have been shown.

在设计过程中，提出了过滤器的过滤元件、水力、筒体等关键部件设计方法。

The experimental results coincide with the theoretical analysis and field observation of hydraulic fracturing made by others.

该实验结果与理论分析和水力破裂裂缝露头特征具有明显的可比性。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。