• Diamond coring bits are utilized for core drilling.

    在取钻井井段,选用金刚石钻头

    dict.cnki.net

  • This paper discusses the procedures of DTH hammer and core drilling with casing.

    本文主要论述空气潜孔钻进规程

    www.chinaqking.com

  • This paper also probed into the mechanism of turbulent drag reduction and introduced its preliminary application to core drilling.

    探讨紊流机理介绍田菁岩心钻探中的初步应用效果

    dict.cnki.net

  • This paper describes and summarizes the core drilling process and the technical measures.

    文章介绍总结了项目岩芯钻探钻孔施工工艺技术措施

    www.chemyq.com

  • For the buried minerals geophysical techniques are used to get information. For example, seismic technique and core drilling are often used. These techniques are the most important in prospecting.

    那些深埋矿物地球物理勘探获取资料常用地震勘探技术钻取岩心法。这些技术对于最有的。

    www.juyy.net

  • One of the most important geophysical techniques is core drilling, which is carried out with a hollow cylinder through subsurface layers to obtain samples of rocks.

    岩心钻探重要地球物理勘探技术之一进行钻探时,根空心穿过地表下层获取岩石样品

    www.juyy.net

  • As one main technology in geological exploration engineering, the core drilling plays a indispensible role in geological exploration.

    岩心钻探作为地质勘探工程主要手段之一地质勘探工作中占据不可或缺重要作用

    www.jiexunlunwen.com

  • In this paper the status quo. technical level, achievements gained in recent years and existing problems of the core drilling in geological system of MMI are presented.

    介绍冶金地质系统岩心钻探发展现状技术水平近年来所取得成绩存在问题

    dict.cnki.net

  • This method properly determined the sample quantity to make core drilling amendment with the confidence degree and precision estimate theory of error theory.

    方法中,利用误差理论中的置信度估计精度理论合理确定钻芯修正需要数量

    dict.cnki.net

  • Core drilling is also commonly used to create holes for routing cables or placing anchoring bolts installing load carrying devices or dowel bars or for concrete sample analysis.

    钻探也是常用路由电缆制造配售锚孔螺栓承载装置安装销子酒吧混凝土样本分析

    www.websaru.com

  • Taking the oil well drilling and geological core drilling for examples, the recent advances of drilling technology at the beginning of the 21st century are briefly described.

    石油钻井地质岩心钻探论述进入21世纪后,石油钻井地质岩心钻探技术研究应用进展

    www.dictall.com

  • Two technical measures for diamond wireline core drilling into bad formations are introduced in this paper to solve two outstanding problems.

    对付金刚石绳索取钻进复杂地层施工中的两个突出问题项比较有效技术措施

    dict.cnki.net

  • The core drilling method and the obtained achievement are introduced with respect to the bit and core barrel used in different formation.

    根据不同地层采用钻头取心器,介绍了不同地层进取心方法取得成果

    dict.cnki.net

  • The optional borehole of small diameter in core drilling to extract rock core hydraulically is a new technique developed in recent years.

    小口径水力取芯钻探近年来推出一项技术,具有劳动强度低、岩芯采取率高和钻头寿命长的特点。

    dict.cnki.net

  • The evidence comes from everything from core drilling to medieval financial records newly uncovered from state archives in Istanbul and Italy.

    展示的证据来源广泛,岩心钻探伊斯坦布尔意大利国家档案馆发现中世纪财政记录

    www.zftrans.com

  • The description covers full-hydraulic core drilling machines, portable drills, geo-thermal drills, offshore and beach sampling equipment, all-casing drilling rig, etc.

    介绍的主要设备液压岩心钻机系列、轻便设备系列热泵钻机浅海滩涂取样钻机套管钻机

    www.dictall.com

  • The compressive modulus is higher 15 % in hammering core drilling.

    锤击钻进压缩15%左右。

    dict.cnki.net

  • In this article, authors introduce a structural concrete strength detection method, core drilling amendment method and amendment principles.

    介绍结构混凝土强度检测方法——钻芯法修正修正原理

    dict.cnki.net

  • This project will reveal clues to how the mountains were formed and provide scientists with the best location for future ice core drilling campaigns.

    这个项目揭示甘毕采夫山脉形成线索科学家将来进行取钻探活动提供最佳位置

    blog.sina.com.cn

  • Wire-line core drilling tools can lift core from drill rods without picking up coring system.

    绳索取钻具是一种钻杆内捞取岩芯的钻进工具

    www.fuercheng.net

  • 3 diamond core drilling for alloy steel plate is used for alloy steel pipe, core rod, casing of diamond core drilling.

    金刚石岩芯钻探合金钢板用于金刚石岩芯钻探钻杆岩心套管合金钢板

    www.jnyygt.com

  • It is emphasized that the role of high efficiency geology core drilling technology in the plan is not replaceable.

    强调高效地质取样钻探技术实施规划”中不可替代重要作用,提出了加速“规划”实施和降低施工成本的高效钻探技术。

    www.dictall.com

  • Lonnie Thompson is a pioneer of ice core drilling and an expert on the Himalayan glaciers.

    朗尼汤普森钻探领域开拓者,也是研究喜马拉雅冰川专家

    www.chinadialogue.net

  • Paper is divided into two parts, core drill equipment and mud system. Through theoretical analysis to experimental method to complete the design of core drilling and mud system.

    论文分为取心钻具泥浆部分通过理论分析实验方法完成取心钻具设计泥浆体系建立。

    www.fabiao.net

  • This machine can be used drilling, core drilling, reaming, boring, tapping, spot-facing and chamfering etc.

    可以进行钻孔镗孔攻丝平面,等工作

    www.dictall.com

  • Order parameters of core drilling in each production process are analysised to choose appropriate sensors to measure the order parameters, which combines the characteristics of existing drilling rigs.

    分析岩心钻探生产过程各个规程参数作用重要性,结合现有钻机特点选用适当传感器测量这些规程参数

    www.fabiao.net

  • Through lab experiment, the core drilling equipment and the mud system achieve the purpose.

    通过室内实验钻具泥浆体系达到设计的目的

    www.fabiao.net

  • In view of such a problem, the lithological electrical parameters in Archie formula were calibrated by use of the analysis data of sealing core drilling.

    文章针对问题利用密闭分析资料阿尔奇公式中的岩石电学参数进行了刻度

    http://dj.iciba.com

  • In view of such a problem, the lithological electrical parameters in Archie formula were calibrated by use of the analysis data of sealing core drilling.

    文章针对问题利用密闭分析资料阿尔奇公式中的岩石电学参数进行了刻度

    http://dj.iciba.com

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