配套应用粉陶降滤和控制缝高等技术优化了水力压裂工艺。
Hydraulic fracturing technology is optimized using the technique of filtration reducing by fine pottery clays and fracture height control.
现场实验表明,清洁压裂液具有破胶性能,施工摩阻低,携砂能力强,可有效地控制缝高。
Field using verified that the fluid possesses good gel breaking property, the operating friction value is low, the proppant carrying ability is strong and fracture length is in control.
研究并提出了带缝混凝土坝运行期的馈控运行荷载的方法,推导了其计算控制荷载的公式,研制了相应的分析程序。
This paper studies and puts forward the feedback analysis method of operation and control loads of the dam with slot during operation period and derives its calculation control load formula.
—计算机控制的马桶:位于加利福尼亚州威斯敏斯特的AquaOne技术公司,引进了一种内置芯片的马桶,当出现漏缝或开始溢水时,就会自动关闭加水。
Computerized commodes: AquaOne Technologies of Westminster, Calif., has introduced a toilet containing chips that automatically shut off the water when it springs a leak or starts to overflow.
防冰系统可防止冰在缝翼前缘堆积,此系统包括供气管道、活门、终端开关、控制及指示器。
The wing anti-ice system prevents ice buildup on the wing leading edge slats, this system consists of air supply ducts, valves, terminal switches, controls and indications.
建立了非旋转管道环缝焊接自动控制系统,并介绍了其系统结构和工作原理。
The automatic control system of circular seam welding process for non - rotated pipeline was developed in the paper.
本文重点介绍坝体渗流控制,混凝土面板抗冻设计,及新型嵌缝止水材料,面板表面涂料的研究。
Seepage control in dam, design of freezing resistance for concrete face slab, new caulking water sealing material and surface coat on face slab are mainly presented.
基于断裂动力学理论,文章论述了切缝药包定向断裂控制爆破炮孔间贯通裂纹形成的机理。
Based on the theory of dynamic fracture mechanics, the mechanism of crack-forming among shot holes in the directional split of rock by controlled blasting is expounded.
同时配备缝焊控制器,对焊接时间,间歇时间,焊接电流能精确的设定和控制。
Equipped with welding controller, the welder has precise control and setting functions for the welding time and intervals and welding current energy.
由于缝饰带是惟一与机器接触而又不受其控制的部分,因此缝饰带会变形。
The piping would become distorted because it is the only section, which is not controlled by contact with machine parts.
针对某冷轧薄板厂轧机液压辊缝控制系统HGC进行了研究。
Took a research on hydraulic gap control (HGC) system of a cold rolled strip factory.
计算分析表明,只要合理控制浇筑温度,即使不设纵缝,坝体温度应力也能满足设计要求。
The results demonstrate that the thermal stress could meet the design criteria even without longitudinal joints so long as placement temperature is controlled reasonably.
利用流体力学有关原理,导出阿基米德螺线槽流量特性方程,为水力喷砂割缝设备微型流量控制阀的设计、制造、实验、应用提供了初步理论依。
The equation has preliminarily supplied a theoretical foundation for design, manufacture, experiment and application of miniature flow control valve of the water jetting slit-cut equipment.
本文介绍了公路桥梁伸缩缝施工容易出现的问题,提出了公路桥梁伸缩缝的施工与质量控制措施。
This paper introduces the construction of highway bridge expansion joints to the problems, and puts forward the highway bridge is adjustable seam construction and quality control measures.
GEL7511能控制辊缝调整的位置,发出起动、停止开关信号。
The position controller GEL7511 can control the position of roller seam adjustment, the switch signal of start and stop.
介绍了莱钢中小型轧钢车间轧机采用ABBMASTER系统进行辊缝调整的控制方法。
This paper introduces the controlling method to do roll gap regulation used of ABB MASTER system on medium small section mill of Laiwu iron and steel group co.
位移传感器的安装结构是否合理,直接影响轧机液压辊缝控制系统的分辨率、控制精度、响应时间和维护。
The installation of position transducer in hydraulic AGC cylinder has direct effect on the resolution, accuracy control, response time and maintenance of the hydraulic AGC system.
合理的人工压裂造缝规模应控制在井距的一半以内。
Rational fracturing scale of artificial fracturing shall be controlled within the half of well spacing.
指出改进屋面保温隔热层、加强女儿墙砌体刚度、屋面板设置伸缩缝等是控制裂缝产生的有效措施。
Then controlling measures such as improving thermal insulating course, strengthening the masonry rigidity of the parapet, setting the expansion joint on the roof sheathing, etc.
本文介绍一种具有速度显示,环缝搭接量精密控制的高精度焊接工作台。
The high Precision welding bench with speed display and control of girth lap behavior are described.
采用电脑数字控制系统,针距、珠点、半针按钮,自动正反点、倒缝、花样线迹设定,一屏操作,轻松方便。
Adopt digital computerized control system, needle stitch , stitch length, Automatically positive and negative points, backstitch , stitch pattern setting , one screen operation, easy to operate.
提出了温度控制与伸缩缝最大间距控制等防止引起裂缝的措施。
Measures of crevices preventing such as the control of temperature and interval of expansion joint are given forth.
本文介绍了直流冲击波缝焊微机控制器的控制原理及软件系统。
The control principle and software of the microcomputer controller used in DC impulse seam welding are introduced in this paper.
给出了该测试在绗缝控制中的一个应用实例,表明该方法通用性强、直观灵活,具有实用价值。
An illustration of this test in stitch control indicates that this method is general, flexible and high practical.
分析钢管环缝焊接生产线的组成,并采用可编程控制器技术对生产线进行自动控制。
Analyses the constitution of steel pipe wreath sews welding production line, and adopt the PLC technique to control the production line with automation.
试验结果表明,采用切缝药包爆破可以精确地控制岩石断裂方向。
It was found that the direction of rock fracturing can be controlled accurately by using slotted cartridge blasting.
液压压下控制系统是冷连轧机控制系统中十分重要的组成部分,它主要实现机架辊缝大小的控制,对于轧制板材的板形有着直接的影响。
HGC system is the important component in the control system of coldroll, it can control the rolling gap size of stand, and direct effect the shape of plate.
在扇形段轻压下控制中,通过对每个扇形段的入口侧和出口侧的两端辊子的辊缝进行控制,实现对板坯厚度及压下程度的控制,其控制是由液压系统来完成的。
In the soft reduction control process, the slab thickness and drafts can be controlled by the hydraulic system through controlling the inlet and outlet gaps of each segment.
在扇形段轻压下控制中,通过对每个扇形段的入口侧和出口侧的两端辊子的辊缝进行控制,实现对板坯厚度及压下程度的控制,其控制是由液压系统来完成的。
In the soft reduction control process, the slab thickness and drafts can be controlled by the hydraulic system through controlling the inlet and outlet gaps of each segment.
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