• 研究了斜孔爆破特点爆破参数选择起爆方案

    The features parameters selection and ignition plan of rat hole blasting are studied.

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  • 对三种不同结构的多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.

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  • 壁上抽吸气流斜孔周围增强明显的效果

    The holes of inclined multi hole wall have a strong effect on the heat transfer intensification around the hole.

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  • 分析了锥面斜孔工艺介绍了一种新型锥形件冲结构

    Piercing technology for oblique holes on conical surface was analyzed and a new piercing die structure for the conical part was introduced.

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  • 采用传热传质类比方法斜孔壁气冷却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.

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  • 论述加工零件时工艺基准夹具设计时应用提出了计算分析

    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.

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  • 利用通用的微电极夹持抽吸负压上方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.

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  • 文章通过角度测量设计开发了一种低成本实用性强、精度的专用仪器

    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.

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  • 塑料制件结构中的加以界定基础上,从模具设计角度两者进行了比较。

    On the base of defining a side hole and an inclined hole in plastic structure, both are compared on the hand of mold design.

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  • 本文介绍这种开闭比概况马赫数0.61.2范围内初步校测试验结果

    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.

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  • 网架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;

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  • 设计模具满足要求需要斜孔模具设计,既要掌握结构设计技巧进行力学分析

    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.

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  • 测试和实表明,带有装置的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.

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  • 此基础上原有工艺工艺精馏塔进行设计,塔板选用近年广泛应用新型溢流复合塔板。

    The trays in the distillation column were designed with new multi overflow compound slant hole trays commonly used in the recent years.

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  • 提出水平电视系统测量的误差因素

    This paper discusses the factors affecting hole inclination measurement with horizontal liquid surface bore hole TV system.

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  • 文章着重探讨成因及其不良影响,介绍预防处理措施保证方向的重要性提出一些建议

    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.

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  • 新的纠控制方法减小测量点垂线间水平距离目标,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.

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  • 结合湖北省松阳拱桥加固改造工程,研究分析该类病害现象病害原因发展过程

    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.

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  • 一般绘图仪上绘制出保持架模具总图主要零件

    On general plotter, the assembly drawing and main parts drawings of die for bearing cage with slanting hole are made.

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  • 改造后的冲击钻成功应用于码头工作。

    The renovated cable drilling has been applied successfully to pore-forming of docks inclined piles.

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  • 沙溪口表我国第一个采用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.

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  • 介绍岩滩水电站大坝垂线观测系统倒垂线控制、测量纠偏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.

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  • 阐述预应力锚索框架计算理论与应用方法,介绍了预应力锚索框架深圳市龙岗区宝荷路高边坡加固工程中的应用实际效果,提出锚索框架结合疏干治理边坡。

    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.

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  • 水平脊髓前后径角较正常对照组为枕大前后径明显差别

    Although the spinal foramen magnum anteriorposterior diameter was smaller but not statistically different from the control.

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  • 水平脊髓前后径角较正常对照组为枕大前后径明显差别

    Although the spinal foramen magnum anteriorposterior diameter was smaller but not statistically different from the control.

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