研究了斜孔爆破的特点、孔爆破参数的选择及起爆方案。
The features parameters selection and ignition plan of rat hole blasting are studied.
对三种不同结构的多斜孔气膜冷却结构进行了数值研究。
Three-dimensional numerical study is conducted to investigate the heat transfer characteristics for the inclined multi-hole film cooling with different configurations.
多斜孔壁上的倾斜小孔抽吸气流对斜孔周围换热增强有明显的效果。
The holes of inclined multi hole wall have a strong effect on the heat transfer intensification around the hole.
分析了锥面斜孔冲裁的工艺,介绍了一种新型的锥形件冲孔模结构。
Piercing technology for oblique holes on conical surface was analyzed and a new piercing die structure for the conical part was introduced.
采用传热传质类比的方法,对多斜孔壁气膜冷却的绝热温比进行了实验研究。
Using the method of heat-mass transfer analogy, experimental research was carried on to investigate adiabatic film effectiveness of inclined multi-hole full-coverage film cooling.
论述加工斜面、斜孔零件时工艺基准孔在夹具设计时的应用,并提出了计算分析。
The article presents the application of technique datum hole in designing special clamps for drilling diagonal bore and finishing inclined plane, and raises calculation analysis.
利用通用的微电极夹持器在其抽吸负压的侧管上方钻一斜孔直通夹持器中央管腔。
An oblique hole through the glass pipette holder above the lateral hole for cell seal suction is drilled, through which a microcatheter o.
文章通过斜孔角度测量仪的设计,开发了一种低成本、实用性强、精度高的专用仪器。
This paper describes the designation of a measuring instrument of the angle of the inclined hole, and develops a professional instrument which is low-cost, highly-practical and has a high precision.
在对塑料制件结构中的侧孔和斜孔加以界定的基础上,从模具设计角度对两者进行了比较。
On the base of defining a side hole and an inclined hole in plastic structure, both are compared on the hand of mold design.
本文介绍这种变开闭比斜孔壁的概况和马赫数0.6到1.2范围内的初步校测试验结果。
This paper describes the general characteristics of the variable porosity walls and the preliminary results of calibration at Mach Numbers ranging from 0.6 to 1.2.
以网架球为研究对象,分析族类零件多面斜孔的设计加工难点,提出一种平面形体的表达方法;
The frame node as the research object, analyzes machining problem about multi-surface inclined-hole processing, a way to express 2D view were presented;
要设计的模具满足要求,就需要斜孔冲裁模具设计时,既要掌握结构设计技巧又要进行力学分析。
To meet the design requirement of die, it needs to master the technique of structural design and conduct mechanical analysis when DE - signing punching die of oblique die.
测试和实焊表明,带有斜孔导气装置的TIG气冷焊枪,保护性能稳定可靠,结构简单,具有推广价值。
The results show that the stable and reliable shielding gas can be obtained with a simple gas cooling TIG gun when it possesses oblique holes on the nozzle device.
在此基础上对原有工艺和新工艺精馏塔板进行设计,塔板选用近年来广泛应用的新型多溢流复合斜孔塔板。
The trays in the distillation column were designed with new multi overflow compound slant hole trays commonly used in the recent years.
提出水平液面式孔内电视系统测量孔斜的误差因素。
This paper discusses the factors affecting hole inclination measurement with horizontal liquid surface bore hole TV system.
文章着重探讨孔斜成因及其不良影响,介绍了孔斜的预防和处理措施,对保证钻孔方向的重要性提出了一些建议。
The article mainly discusses the cause of ramp-hole and its blights, introduces the prevention and treatment measures, and brings forward some Suggestions to guarantee the drilling direction.
新的纠斜控制方法以减小测量点与开孔点垂线间的水平距离为目标,可以提高垂钻轨迹的垂直精度。
Its characteristics include that the counter force is proportional with the horizontal distance of a vertical line where BHA is offset from an open hole.
结合湖北省松阳河斜交连孔拱桥的加固改造工程,研究分析了该类桥的病害现象、病害原因及发展过程。
Combined with the strengthening reconstruction project of Songyang River oblique multiple-hole in Hubei, the disease phenomena, reasons and developing process of the kind bridge were analyzed.
在一般绘图仪上绘制出了斜兜孔保持架模具总图和主要零件图。
On general plotter, the assembly drawing and main parts drawings of die for bearing cage with slanting hole are made.
改造后的冲击钻成功地应用于码头斜桩的成孔工作。
The renovated cable drilling has been applied successfully to pore-forming of docks inclined piles.
沙溪口表孔弧门是我国第一个采用斜拉式双缸液压启闭机操作的水电站。
Shaxikou Spillway Segment Gate is the first hydraulic Power Station controlled by skew axis double drum hydraulic hoist in our country.
介绍岩滩水电站大坝倒垂线观测系统的倒垂线孔钻孔的孔斜控制、孔斜测量、孔斜纠偏等施工技术及廊道内遇长岩芯的处理方法。
This paper introduced construction technique of the inverted vertical line survey system, boring, hole slope measuring, slope correcting, etc. of the Yantan hydropower station.
阐述了预应力锚索框架的计算理论与应用方法,介绍了预应力锚索框架在深圳市龙岗区宝荷路高边坡加固工程中的应用和实际效果,提出用锚索框架结合仰斜疏干孔治理边坡。
At the same time, the new concept of reinforcement of slope by means of integrating the uses of tendon framework and the upward oblique unwatering hole techniques are presented by author too.
枕大孔水平脊髓前后径及斜径角较正常对照组为小,但枕大孔前后径无明显差别。
Although the spinal foramen magnum anteriorposterior diameter was smaller but not statistically different from the control.
枕大孔水平脊髓前后径及斜径角较正常对照组为小,但枕大孔前后径无明显差别。
Although the spinal foramen magnum anteriorposterior diameter was smaller but not statistically different from the control.
应用推荐