水力的

This paper establishes a physical model Based on this technology; explains the mechanism and methods; Analyses revolve jet's kinetic characteristic; studies how revolve jet affects manually produced borehole wall's buildup; designs the hydraulic tool; analyzes the relation of waterpower between the tool and the aiguille.

本论文建立了基于该项技术的井下物理模型，并以流体力学为研究基础分析了该项技术防漏堵漏的机理和方法；通过对旋转射流的运动特性的分析，研究了射流对"人造井壁"形成的影响；设计了水力工具，对侧向水力工具与钻头的水力能量分配关系进行了研究。

Experiments of flow conductivity closure stress of typical propping agent are done, propping agent short-term flow conductivity alteration index is defined, by this, the relation between fissure short-term flow conductivity and closure stress, it is close to exponential relation. 4. Establishing the mathematical simulator of hydraulic fractured well's production in a steady state, finding the relation curve between dimensionless flow conductivity and fracture penetration coefficient by means of calculation and analyses, it is the basis of hydraulic fracture. 5. Expatiating the importance of optimized hydraulic fracturing design in reservoir engineering, advancing the optimizing design method, fracture dimension can be calculated easily when the physical parameters are known. 6. Production rate decline standard curve of vertical fractured wells is achieved by mathematical simulation, when the flow pressure is certain , by asymptotic analyze, this decline curve is close to exponential relation.

完成了国内外典型支撑剂的导流能力闭合应力影响实验，在数据分析中定义了支撑剂短期导流能力变异系数，并由此发现裂缝短期导流能力随闭合应力变化的近似符合指数关系式； 4 建立了一种水力压裂井稳态产能的数学模拟器，计算分析找到了最优无量纲导流能力与裂缝穿透比之间的新型关系曲线，它是水力压裂优化设计的基础； 5 阐述了水力压裂油藏工程优化设计的重要性，提出了优化设计方法，在已知支撑剂物性参数条件下可简洁计算最优裂缝尺寸； 6 数学模拟给出了垂直裂缝井产量递减标准曲线，在井底定压条件下通过渐近分析表明，该递减曲线满足指数关系式。

A hydraulic model test has been conducted and the test results show that the impact-type energy dissipator has an excellent hydraulic characteristics and the design method proposed is applicable.

介绍了某水库非常溢洪道末端转向冲击墩的具体布置方案，它包括3个转向冲击墩(长14.4 m、高22.0 m、厚2.5m)，相应的水力模型试验结果表明所设计的转向冲击墩具有良好的水力特性，所给的水力计算方法是适用的。

Pulper with water, sediment well, composed of cylindrical screen pieces of paper solution purification system for hydraulic pulper of the tailings and to further ease the severity of the separation of impurities.

与水力碎浆机、沉渣井、圆筒筛组成废纸碎解净化系统，对水力碎浆机的尾渣进一步疏解并分离轻重杂质。

The physical and chemical properties of DF from the white trumpet lily and tiger lily were analyzed to be water-binding capacity 4.1mL/g and 3.5mL/g, dilatability 6.5mL/g and 6.1mL/g, combining water capacity 7.1 g/g and 6.5g/g, exchangeable cation capacity 0.73 mmol/g and 0.83 mmol/g, and fat binding capacity 4.4mL/g and 5.2mL/g, respectively.

麝香百合和卷丹膳食纤维的理化特性分别是：持水力4.1mL／g和3.5mL／g，溶胀性6.5mL／g和6.1mL／g，结合水力7.1g／g和6.5g／g，阳离子交换能力0.73mmol／g和0.83mmol／g，结合脂肪能力4.4mL／g和5.2mL／g。

Studied the solid particles cyclone separation under structural parameters and operating parameters of different hydrocyclone, the results showed that major factor influence split ratio is in the ratio of entrance to exit pressure of hydrocyclone. Exit pressure has a certain influence on the split ratio, the various of the diameter and cone angle of hydrocyclone (in the ratio of entrance to exit pressure is constant) have no influence on split ratio; With diameter and cone angle increase, the separation granularity gradually increasing and recovery ratio decreasing; With entrance pressure increase, the separation granularity of hydrocyclone decrease, the split ratio of underset will increase slowly; With the diameter of overflow pipe increase, the separation granularity of hydrocyclone increasing and recovery ratio decreasing; With the diameter of underset pipe increasing, the separation granularity of hydrocyclone decreasing and recovery ratio increasing.

在不同的水力旋流器结构参数和操作参数下，对固体颗粒的旋流分离进行了分析研究，结果表明：旋流器的排出口比是影响分流比的主要因素，进口压力对分流比有一定影响，水力旋流器的直径变化和锥段角度变化对分流比基本上没有影响；随着直径、锥段角度的增大，分离粒度逐渐增大，回收率降低；随着入口压力增大，水力旋流器的分离粒度变小，底流的分流比会缓慢增加；随着溢流管管径的增加，分离粒度增大，分流比明显减小，回收率降低；随着底流管直径的增加，分离粒度减小，分级效果明显下降，回收率会增加。

Through the comparative analysis that: the arc-tooth flow of hydraulic performance is better than the arc, Adopting optimize the design parameters of the structure, reducing the flow rate of 0 regions, and strengthen vortices regions, improved irrigation arc tooth for hydraulic performance and anticlogging ability, irrigation design recommended by arc-tooth flow structure.

通过对比分析认为：弧齿形流道水力性能优于弧形流道，可以通过结构参数优化设计，减小0流速区域，强化旋涡区，提高弧齿形灌水器的水力性能与扰堵塞能力，灌水器设计中推荐采用弧齿形流道结构形式。

The conclusion is that the "ω" shape suction champer has excellent hydraulic characteristic in different inlet flow conditions. Its hydraulic loss is small and velocity-averaged streamline angles on special cross sections are approximately 90°.

试验和数值分析结果表明：采用&ω&形后壁吸水室钟形进水流道在不同进水条件下均具有良好的水力性能，水力损失小，流道出口断面速度加权平均入流角接近90？

The structure of hydrocyclones are compact,treating amount is large and exallent in effect, Tests prove that it can be used as the main facilities in high water cut oilfield and it has formed a continuous line including produced fluid preseparation, crude dehydration, and produced water pretreatment etc- The conventional once completed instal1ation of settli...

水力旋流器结构紧凑，处理量大、效果好。试验证明，在高含水油田地面建设中，可以水力旋流器为主要设备，构成采出液预分离、原油脱水和采出水处理一条龙工艺流程，可替代常规的一次沉降脱水设备。

However, the biomass of nitrifying biofilm could only increase slightly.

水力负荷对脱氮效果有很大的影响，低水力负荷能提高脱氮率。

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。