mechanism and parameter study of jet hydraulic drilling for decreasing bottomhole pressure

a study of characteristic bottomhole flow field of jet bit

喷射钻头井底流场特性的研究与应用

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whole structural design of the diaphragm pressure converter used in bottomhole

分隔式井下增压器的整体结构设计

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development of a real-time bottomhole pressure acquisition transmission system

一种井底压力实时采集传输系统的研制

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calculating model of critical bottomhole pressure of sand production and its application

油井出砂临界井底流压计算模型及应用

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drawing and fuzzy cluster analysis of characteristic parameters of bottomhole pattern

井底模式特征量的提取与模糊聚类分析

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horizontal axial loading test of articulated mast

铰链式采油井架的卧式轴向加载型式试验

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experimental research of gfrp tube columns filled with steel-reinforced high-strength concrete subjected to axial loading

GFRP管钢骨高强混凝土组合柱轴心受压试验研究

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local buckling of square concrete-filled steel tubular column with binding bars under axial loading

带约束拉杆方形钢管混凝土轴压柱局部屈曲性能

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forward and reverse axial loading schemes were conducted to investigate the character of the material deformation history.

采用正向与反向加载方法研究材料变形历史特性。

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the elastoplastic analysis of cracked stiffened panel under axial loading

含裂绞加劲板在轴向载荷作用下的弹塑性分析

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study of mechanical behavior of aluminum alloy tube with square cross-section and thin wall under axial loading

铝合金薄壁方管在轴向载荷作用下力学行为研究

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the dq solution of buckling of column under axial loading

轴向均布载荷下压杆稳定问题的DQ解

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parametric equations on stress concentration factor of completely overlapped tubular joints under axial loading

轴向力作用下完全叠接管节点应力集中因子的参数方程

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earthquake response analysis of steel tube frames based on the hysteresis model of columns with axial loading change

基于变轴力柱恢复力模型的钢框筒地震反应分析

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study of carrying capacity of steel rc columns with double circular steel tubes under axial loading

配有双圆钢管的钢骨混凝土柱轴心受压承载力研究

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the test method for axial loading constant-amplitude low-cycle fatigue of metallic materials

GB/T15248-1994金属材料轴向等幅低循环疲劳试验方法

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behaviour of square reinforced concrete column strengthened by circular steel jacket under axial loading

圆形钢套管加固方形混凝土柱轴心受压性能

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mechanical behaviors study of frp tube filled with high-strength concrete subjected to axial loading

FRP管高强混凝土轴压力学性能研究

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flexural capacity of the axial loading rc column strengthened with cfrp

CFRP加固混凝土轴压柱承载力的分析

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analysis of shear lag of ribbed slab structure under combined bending and axial loading

压弯荷载共同作用下肋板结构剪力滞分析

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