According to sampling analysis the surface river water and ground water in borehole have micro-corrosion on concrete structure rebar in reinforced concrete and steel structure.
根据取样分析地表河水、钻孔内地下水对混凝土结构、对钢筋混凝土中钢筋、对钢结构均具微腐蚀性。
The structure and measuring principle of the full borehole conductance water-cut meter is briefly introduced.
对全井眼电导含水率计的结构和测量原理进行了简要介绍。
The reflected compressional waves of the full waveform acoustic logging can be used to evaluate fractures with high dips and image the near borehole geological structure.
声波全波列测井中的反射纵波可以用来评价高角度裂缝和对井周附近地质结构进行成像。
As a new pit supporting structure, clutching borehole grouting pile has overcome the deflection of traditional pile which can not prevent water leaking and is gradually used in subway pit engineering.
钻孔咬合灌注桩作为一种新的基坑围护结构，克服了传统桩在基坑围护结构中防水性能差的缺点，在地铁车站基坑围护中得到采用。
This paper analyses problems concerning the conventional continuous loading structure in open mining deep borehole blasting.
本文分析了露天矿深孔爆破长期沿用的连续装药结构存在的问题。
The drilling machine structure is compact, and at the same time promote the carriage with adjustable compensation function, when drilling carriage support on the ground, borehole stability is good.
该钻机结构紧凑，同时推进滑架具有伸缩补偿功能，钻孔时滑架支撑在地面上，钻孔稳定性好。
The structure and principle of operation of the stabilizer, and method for controlling borehole trajectory with the close_loop adjustable stabilizer at downhole are described in detail.
本文着重论述了井下闭 环可变径稳定器的结构、工作原理及其控制井眼轨迹的方法。
The pressurized mercury fissures were high. The fissure structure and the adsorption borehole were in overwhelming superiority and were taking 78 % of the total fissure value.
压汞孔隙度较大，孔隙结构以吸附孔占绝对优势，约占总孔隙含量的78%；
The pier structure and the placing of steel bars were proved by use of borehole surveying.
利用钻孔探明了桥墩的结构和配筋情况。
The paper quantitatively stated and researched the coal borehole fissure structure with the sharp geometry theory. The paper derived the expression of the coal borehole fissure sharp dimension.
利用分形几何学理论对煤孔隙结构进行了定量的描述和研究，推导了煤孔隙分形维数的表达式；
The paper quantitatively stated and researched the coal borehole fissure structure with the sharp geometry theory. The paper derived the expression of the coal borehole fissure sharp dimension.
利用分形几何学理论对煤孔隙结构进行了定量的描述和研究，推导了煤孔隙分形维数的表达式；
应用推荐