Calculation Analysis on Force Deformation of Packer String with Free Movement;
允许自由移动的封隔器管柱受力变形计算分析
A string-supporting centralizer used in water plugging and water injection operation;
一种ZC型堵水注水管柱支撑扶正器
l production technology of zone replacement by downhole immobile string.;
井下不动管柱换层采油工艺技术
The anomalous secondary thickening is by means of a succession of bidirectional cambia.
其异常的次生生长是由维管柱外围发生的异常形成层通过正常的活动方式完成的。
Three-Dimensional FEA of Large Opening Cylinder with Flatting Nozzle;
大开孔率圆柱壳平齐接管结构三维有限元分析
This type of stele was present in the earliest known vascular plants, such as Rhynia.
这种中柱类型存在于象莱尼蕨这样一些著名的原始维管植物中。
The arrangement of vascular tissue (the vascular system) in the stem is very varied, giving a number of different types of STELE.
茎中维管组织的排列方式多种多样，由此产生多种类型的中柱。
Application of flexibility-based fiber-model beam-column element in simulation analysis of CFRT columns
柔度法纤维模型在方钢管混凝土柱滞回仿真中的应用
Experimental study and FEM analysis on connections of rectangular hollow steel column and H-type beam
方管柱与工字钢梁连接的三维有限元模拟分析及试验研究
3D NONLINEAR FEM ANALYSIS OF CONCRETE-FILLED SQUARE TUBULAR COLUMN AND STEEL BEAM JIONT
方钢管混凝土柱-钢梁外隔板节点三维非线性有限元研究
Determination of benzene and toluene in gasoline by two-dimensional gas chromatography and capillary column
采用二维气相色谱及毛细管色谱柱分析汽油中苯和甲苯的含量
Real Time Analysis on the Planar Images of Exploding Columned Explosive
空爆圆柱型药柱二维图像的实时分析
tube and ball type steering column
球轴承套管式转向管柱
work string-casing annulus
工作管柱-套管环空
casing-work-string annulus
套管-工作管柱环空
The unfolding-correcting technique of 3-dimensional close of spinal canal after posterior vertebral column resection in treatment of severe angular kyphotic deformity
后路全脊椎切除折顶椎管三维同心闭合矫形治疗重度脊柱角状后凸畸形
Determination of the of Contents Methoxy and Hydroxypropoxy in Hypromellose by GC
毛细管柱气相色谱法测定羟丙甲纤维素中甲氧基和羟丙氧基的含量
A stele that has a solid core of vascular tissue.
原生中柱一种有管状组织的实心中柱
Numerical simulation of SRM with finocyl grain during ignition transient
翼柱形药柱发动机点火瞬态三维数值模拟
circular-passage gaslift string
环形空间出油气举管柱
