• Literature research of air hammer drilling in domestic and overseas.

    国内外空气锤钻井技术文献调研

    lib.swpu.edu.cn

  • This paper collects air hammer' using status in oil and gas fields drilling site at home and abroad.

    收集国内外空气锤技术油气田钻井现场使用现状

    lib.swpu.edu.cn

  • The contents of the paper include:the comparison of the electrohydraulic hammer and the steamair hammer;

    其中包括电液锤蒸汽-空气锤工作状况比较

    dict.cnki.net

  • This paper collects the typical structure of air hammer, understands the principle, determines the design principles and methods.

    收集了国内外典型空气锤结构了解空气锤工作原理,确定了空气锤结构的设计原则方法。

    lib.swpu.edu.cn

  • But that changes the instant you set eyes on some of the items set to go under the hammer next month as part of a sale of the contents from the Bel Air home that Michael was renting.

    一事实,则使得部分将要出现在下个举行拍卖会上物品显得与众不同,因为届时迈克尔曾在百莱荷租赁的房屋中的部分遗物将会进行拍卖

    gb.cri.cn

  • She found a match with a man wearing overalls and wielding a hammer in his profile photo and invited him over to install her air conditioning.

    一个简介照片身穿工装裤、手持榔头男人配对成功,然后邀请空调。

    www.voa365.com

  • The air-driven down-hole hammer drilling is still very effective and speedy in well drilling in karst limestone area.

    水文水井中,气动钻进可发挥它高效率、高速度的作用。

    dict.cnki.net

  • Installing air surge tank in pressure water system is a new and economically efficient measure to prevent water hammer accident.

    压力系统设置气压调压防护事故的、新的经济有效措施

    www.dictall.com

  • Taketo enforcement of such grip hammer Ji, zoned air-strike case, impassioned.

    武人执之戟,空击慷慨激昂

    enwaimao.cn

  • Owing to spatial confined, the paper enumerates air supply pressure and backpressure which influence the working parameter of the DTH hammer only.

    由于文章篇幅的限制,仅列出了气源压力背压对空气锤工作参数影响规律。

    dict.cnki.net

  • It is posed that angular air-hammer self-excited vibration and half frequency wobble self-excited vibration are two reasons for resulting angular wobble self-excited vibration for gas film face seals.

    提出造成端面密封摆动的内在机理,既有摆动自振又角向气锤自振。

    dict.cnki.net

  • The research results provide theoretic guide for field application of air tank to water hammer control.

    研究结果现场使用空气控制提供了理论指导

    www.chemyq.com

  • C is hammer automatic restore structure which is characterized by small area, saving energy, convenient adjustment and dependable discharge dust and air lock.

    C吊锤自动复位机构具有占地面积、节能,调节方便,卸灰、锁气可靠之功能。

    www.china-mining.cn

  • The impulsive force of the hammer of the Machine can reach 30t, to replace the big hammer, and air pick, which can well treat with the cement concrete.

    机器冲击力达到30t代替大锤、风镐,是水泥混凝土克星。

    www.tieluzb.com

  • The valve is mainly made up of body, disc, axle, rocker and heavy hammer etc. It realizes discharging and air locking using trimming moment.

    翻板主要阀体板、阀摇杆、重锤零件组成,利用力矩平衡的方法实现锁气卸灰。

    www.jzvalve.com.cn

  • The protection against the water hammer is introduced in this paper as follows: changing the character of the pipeline network, protection of by-pass pipe and the air bottle.

    介绍了几种常见防护措施,改变管网系统的特性、旁防护、空气防护等。

    www.dictall.com

  • The loose tooling forging of half shaft bushing on the steam-air forging hammer is numerically simulated using FEM software DEFORM3D.

    采用商用有限元软件DEFORM3D对半轴套管胎模锻成形过程进行了计算机模拟

    www.dictall.com

  • The solution of problems such as water hammer, hard to dispose the noncondensables, air lock and selection of steam trap were discussed to save energy, protect environment and lower the cost.

    指出蒸气凝结水回收重要性同时炼油厂蒸气凝结水回收系统中存在的诸如、非凝结性气体不能排除、水阀的选型安装等问题解决办法进行了探讨。

    www.dictall.com

  • Once dust is discharged, the torques from hammer and rocker will close quickly and realize air lock.

    一旦积灰卸去后,摇杆产生的力矩使阀板迅速关闭实现锁气。

    www.china-mining.cn

  • Once dust is discharged, the torques from hammer and rocker will close quickly and realize air lock.

    一旦积灰卸去后,摇杆产生的力矩使阀板迅速关闭实现锁气。

    www.china-mining.cn

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