This research was done on the tensile behavior of high performance cement-mortar to concrete through core-drilling and pull-stripping test.
研究了高性能水泥复合砂浆与混凝土之间的粘结性能。
For bedrock drilling ordinary hard alloy driller can be adopted for vertical core-drilling with the addition of clear water during rotation. for overburden dry drilling process can be adopted.
基岩钻探方法以采取普通硬质合金清水回转垂直取心钻进，覆盖层采用干钻。
Factors that influence the selection of compressive samples for core-drilling test of piling foundations are introduced and analyzed and methods to select the samples are provided in the paper.
介绍桩基础钻芯检测法抗压芯样选取方法的影响因素，并对各个因素进行分析，提出桩基础钻芯检测法抗压芯样的具体选取方法。
In "the Abyss," a highly sophisticated mobile drilling station is no match for Mother Nature, which nearly destroys the Deep Core base during a particularly nasty hurricane.
《深渊》里的高科技移动钻台就远非大自然的对手，一场肆虐的飓风差点把深海之心钻台给夷为平地。
The evidence comes from everything from core drilling to medieval financial records newly uncovered from state archives in Istanbul and Italy.
所展示的证据来源广泛，从岩心钻探到在伊斯坦布尔和意大利的国家档案馆新发现的中世纪财政记录。
Core decompression and drilling decompression were effective methods to treat IOH.
髓芯减压术和钻孔减压术是治疗骨内高压的有效手术方法。
Through resilience and core sampling drilling, we have examined the concrete intensity and the degree of carbonization and evaluated the safety of the upper part of an integrated building.
采用回弹法和钻取芯样法，对某综合楼上部结构混凝土强度和碳化深度进行了检测并对其上部结构进行了安全性评定分析。
The latter has a cylindrical groove at its center, thus generating a solid core, which guides the tool as it proceeds during the drilling operation.
后者在其中心有一圆柱形沟槽，这样能生成整体芯在钻孔作业过程中引导钻头。
The problems of low drilling efficiency and low core recovery due to borehole collapse were solved with pulling in casing while drilling through using combined BHA with casing.
采用组合钻具进行跟管钻进，通过随钻跟入的套管保护孔壁，解决因钻孔垮塌导致钻探效率和岩心采取率低等技术难题。
Diamond coring bits are utilized for core drilling.
在取芯钻井井段，选用金刚石取芯钻头。
To use different core drilling method in different geological environments can ensure the smooth progress of geological exploration work.
在不同的地质环境中，使用不同的岩心钻进方式，可以保证地质勘探工作的顺利进行。
This paper describes and summarizes the core drilling process and the technical measures.
文章介绍并总结了该项目岩芯钻探钻孔施工工艺与技术措施。
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.
以石油钻井和地质岩心钻探为例，论述了进入21世纪后，石油钻井和地质岩心钻中钻探技术研究与应用的新进展。
This project will reveal clues to how the mountains were formed and provide scientists with the best location for future ice core drilling campaigns.
这个项目将揭示甘毕采夫冰下山脉的形成线索，为科学家们将来进行取芯钻探活动提供最佳位置。
Sonic drilling is an effective means for collecting continuous core samples in all types of overburden formations.
声波钻进是在各种覆盖层中采集连续岩心样品的有效手段。
This paper discusses the procedures of DTH hammer and core drilling with casing.
本文主要论述了空气潜孔锤跟管取心钻进规程。
According to outcrop research, drilling core analysis, and sand distributed system drawing, we analyzed the lower member of Zhiluo Formation, northeastern Ordos basin.
作者通过露头调查、钻孔岩心分析和砂分散体系制图，对鄂尔多斯盆地东北部直罗组下段进行了成因分析。
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.
对那些深埋的矿物，就用地球物理勘探法来获取资料，如常用的地震勘探技术和钻取岩心法。这些技术对于找矿是最有用的。
As the core technology of smart drilling, intelligent drill pipe has long been a technical problem which can not be solved by domestic research staff.
智能钻杆作为智能钻井的核心技术，一直是国内研究人员久攻不下的技术难题。
Permian system in Tazhong area may be divided into three lithology groups: lower clastic group, volcanics group and upper clastic group based on the data of core, drilling, logging and so on.
前言：依据岩心、钻井、测井等资料，将塔中地区二叠系分为三个岩性组：下碎屑岩组、火山岩组、上碎屑岩组。
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.
岩心钻探是最重要的地球物理勘探技术之一。进行钻探时，用一根空心管穿过地表下层获取岩石样品。
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.
钻探也是常用的路由电缆制造或配售锚孔螺栓承载装置安装销子或酒吧，或混凝土样本分析。
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.
钻探也是常用的路由电缆制造或配售锚孔螺栓承载装置安装销子或酒吧，或混凝土样本分析。
The core drilling method and the obtained achievement are introduced with respect to the bit and core barrel used in different formation.
根据不同地层所采用的钻头和取心器，介绍了不同地层的钻进取心方法和取得的成果。
Diamond core bit is preferred for coring operation in terms of the special requirements of scientific drilling.
根据科学钻探对岩心的特殊要求，认为金刚石取心钻头是科学深钻取心钻进较理想的选择。
This method properly determined the sample quantity to make core drilling amendment with the confidence degree and precision estimate theory of error theory.
在该方法中，利用误差理论中的置信度和估计精度理论，合理确定钻芯修正所需要的芯样数量。
To introduce the problems existing in coal core fetch and appraisal in drilling and provide some Suggestions to solve them.
介绍了钻探岩煤芯采取及鉴定中存在的问题，并提出了解决问题的几点建议。
To introduce the problems existing in coal core fetch and appraisal in drilling and provide some Suggestions to solve them.
介绍了钻探岩煤芯采取及鉴定中存在的问题，并提出了解决问题的几点建议。
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