查询词典 hydraulic pressure

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。

On the basis of analyzing the reason that produce hydraulic impact, the dynamics of vibration wheel of vibration compactor and dynamics of vibration hydraulic system were analysed, the mathematics model of vibration hydraulic system was set up and its output models for pressure and flow were deduced.

在分析液压冲击产生原因的基础上，进行了振动压路机振动轮的动力学分析和振动液压系统的动态分析，建立了振动液压系统的数学模型，同时推导出系统压力和流量的输出模型。

Main Contents and Investment Scale: The construction project focuses on producing ship matching products including auxiliary project for the power station: marine diesel engine and marine generator; Auxiliary parts and equipment for cabins: marine gear box and electronical controlling device; pumps and valves: hydraulic rubber tubes, hydraulic oil cylinders, various valves, various pneumatic actuators, electric actuators, magnet valves, pressure regulators and electric appliance localizers etc.; marine electric appliance: marine APT series of pilot lamp buttons, GMC series of LG low-voltage electric appliances, voltage regulators, marine power distribution boxes, deck machinery: marine crane, electric hydraulic reamers, anchors, various hoists, marine materials: marine stainless steel pipes, marine watertight doors, portholes, rectangular windows, hatch covers, spring dragging hooks, coarse water screens, marine steel plates, marine communication navigators etc..

项目名称：船舶配套。2、项目主要内容及投资规模：建设项目以船舶配套产品为主，包括主机电站类的船用柴油机、船用发电机；机仓辅机类的船用齿轮箱、电子控制装置；泵、阀件类的液压胶管、液压油缸、各种阀门、各种气动执行器、电动执行器、电磁阀、调压阀、电器定位器等多种阀门配件、各种船用泵类；船用电器类的船用 APT 系列指示灯按钮、 GMC 系列 LG 低压电器、电力稳压装置、船用配电箱；甲板机械类的船用起重机、电动液压绞车、锚机、各种吊机等；舾装材料类的船用不锈钢管、船用水密门、舷窗、矩形窗、舱口盖、弹簧拖钩、粗水滤、船用钢板；船用通讯导航类设备等。

When fired, the barrel and bolt recoil together a distance of about 35mm, under the pressure of hydraulic oil delivered to room air hydraulic oil, hydraulic oil slowly through the Orifice of oil to squeeze into another room.

发射时，枪管与枪机共同后坐大约35mm的距离，液压杆将压力传递给油室中的航空液压油，液压油通过节流孔缓慢挤入另外一个油室。

Produce nominal pressure of 5,10,20,30,50,100,150,200,315,400,500 t Series Universal Hydraulic Press Four-column, etc., special hydraulic machine, brick making machine, color brick and concrete Curb forming machine machine; also produces a variety of single-pole, frame type hydraulic press; in order to constantly improve its products and complete sets of the complementary nature.

主要生产公称压力为5、10、20、30、50、100、150、200、315、400、500吨等四柱系列万能液压机、专用液压机、制砖机、彩砖机及混凝土路沿石成型机；也生产各种单柱式、框架式液压机；以不断完善其产品的配套性和成套性。

The factory is engaged in the production of specifications hydraulic equipment, hydraulic cylinders, cylinder, high-pressure presses cylinder hydraulic hose assemblies complete sets of equipment and other professional enterprises.

本厂是从事生产各种规格液压传动设备、液压缸、气缸、压力机高压缸软管总成及其它液压成套设备的专业企业。

The company since its inception has been engaged in the development of hydraulic parts and sales; main products have various types of hydraulic tubes and assembly of hard and soft, hydraulic components, Japan Construction Machinery Co., Ltd. chassis parts, instrumentation, etc.; distribution of the major brands have Germany Hose Sunway, Italy Manuli, Germany Aeroquip, the United States Sel, the United States MEGASPIRAL, Libao, etc.; Express connector (Italy: DNP brand), the management folder, resin tube (UK: EUROFLOW brand), high pressure ball valve, Teflon tube, withhold machine (Finland: FINN-POWER), a variety of industrial tubes, such as high-temperature steam pipes, cement pipes and so on.

公司自成立以来一直从事液压零件的研制和销售；主要产品有各种型号的液压软硬管及总成、液压零部件、日本株式会社工程机械底盘件、仪器仪表等；经销的胶管品牌主要有德国Sunway 、意大利Manuli 、德国Aeroquip、美国Sel 、美国MEGASPIRAL、Libao等；快速接头，管夹，树脂管（英国：EUROFLOW品牌），高压球阀，铁弗龙管，扣压机（芬兰：FINN-POWER），各种工业管，如高温蒸汽管，水泥浆管等。

The following results are got:(1) the analytical equation between the overburden pressure, the pore fluid pressure and the matrix stress is established;(2) the nonlinear relation between the porosity of saturated soils and the pore fluid pressure are obtained, which relates to the initial state and the initial pore pressure of saturated soils;(3) Based on the new principle, the rock shear strength theory and hydraulic fracturing pressure formulation are reacquired, which are much more reasonable than the traditional ones.

第二章讲述的是该有效应力原理的一些工程应用研究，通过该研究，我们取得如下成果：（1）建立了上覆岩层压力、孔隙流体压力、基岩应力之间的解析关系式；（2）推导出了饱和土体孔隙度与孔隙水压之间的非线性关系式，该关系式与多孔介质的初始状态及初始孔隙水压有关；（3）建立了基于多孔介质的岩石剪切强度理论和岩石破裂压力计算公式。

The following results are got:(1) the analytical equation between the overburden pressure, the pore fluid pressure and the matrix stress is established;(2) the nonlinear relation between the porosity of saturated soils and the pore fluid pressure are obtained, which relates to the initial state and the initial pore pressure of saturated soils;(3) Based on the new principle, the rock shear strength theory and hydraulic fracturing pressure formulation are reacquired, which are much more reasonable than the traditional ones.

笔者在第一章中提出，在建立多孔介质的有效应力原理时，必须考虑其细观结构，并解析推导出了基于多孔介质之上的饱和多孔介质有效应力原理。该原理包含了孔隙度φ这一表征多孔介质结构性的重要参数；并体现了孔隙流体与固体骨架对总应力的分担作用，分担比例为φ：（1-φ）。

Now the main production: 1092,1575,1760,1880,2400 multi-cylinder single-cylinder single network to multiple networks, net short-and long net paper machine, rotary screen machine to machine short-long network, Winder, pressure-ray machine , Dry pressure-ray machine, level-sizing machine, ramp-sizing machines, screen-basket, two-phase pump, ZBJ small pump,Ф500-1000 mm screw propeller, the slurry pond blender, 5 m3 Dajiang Ji , 12-inch circulating pump, a high concentration of vertical hydraulic pulper, horizontal hydraulic pulper, 1575,1092 standards and widening of Cutter, thin slurry valve 5 t and 8 t-cut grass and dust collector 606 Cleaner And so a variety of products, production of paper making equipment in various gears, sprockets, shaft length and various derivative Roll, Roll and maintenance Dryer, the drying system to do all kinds of steel gear.

现主要生产：1092、1575、1760、1880、2400单缸单网到多缸多网、短长网、长网纸机、圆网纸机改短长网纸机、复卷机、压光机、半湿压光机、水平式施胶机、斜式施胶机、振筐筛、两相流浆泵、ZBJ细浆泵、Ф500-1000mm螺旋推进器、方浆池搅拌器、5m3打浆机、12寸循环泵、立式高浓水力碎浆机、卧式水力碎浆机、1575、1092标准及加宽型切纸机、薄型浆料阀5t和8t切草机及除尘器606除渣器等多种产品，生产造纸设备用各种齿轮、链轮、长短轴及各种导辊、光辊并维修烘缸，制做各种烘钢大齿轮。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。