Analysis of flow rate and polished rod load for hydraulic feedback hollow sucker rod pump;
液力反馈型空心杆抽油泵的流量及悬点载荷分析
Effect of centralizer on polished rod load for polymer flooding artificial lift wells;
聚合物驱抽油机井扶正器对悬点载荷的影响
Mathematical simulation for calculation chart of polished rod load in beam pumping unit
抽油机悬点载荷计算图版的数学模拟
Flooding of these different methods, as well as the specificity of low-permeability oil fields, directly affects the pumping unit horse head rod load calculation and model selection.
这些不同的驱油方式以及低渗透油田的特殊性,直接影响到抽油机驴头悬点载荷的计算及机型选择。
Calculating method on static horsehead load of water drainage and gas production equipment about beam pump for CBM wells
煤层气井有杆泵排采设备悬点静载荷计算方法
The effects of recombine human growth hormone on mandibles maximum load in ovariectomized rats with changes of stress;
应力环境与重组人生长激素对骨质疏松下颌骨最大载荷的影响
Based on the principles of mechanics of materials and fracture mechanics,explicit formulas,figures and tables of normalized maximum load,its corresponding deflection and stiffness are obtained for three-point bending specimens of brittle materials.
利用材料力学和断裂力学原理,得到脆性材料三点弯曲试样的最大荷载及其挠度和刚度的无量纲化显式表达式,并给出这些无量纲化力学量的图表,揭示它们随切槽深度变化的规律。
With the load datum time, maximum load s probability distribution can be estimated during the structure in service, thereby we can assess reliability of structure in service.
有了荷载基准期,即可估计结构在继续使用期间最大荷载的概率分布,进而对服役结构的可靠性作出评价。
Mathematical simulation for calculation chart of polished rod load in beam pumping unit
抽油机悬点载荷计算图版的数学模拟
Analysis of Friction Forces in Polished Rod Load on Pumping Units for Thick Oil Recovery
稠油开采区抽油机悬点载荷中摩擦力的分析
Two-horse head beam pumping unit rod load and torque variation
双驴头游梁式抽油机悬点载荷及扭矩变化规律
Research on Rod Load and Torque of Twin-horse Head Beam Pumping Unit
双驴头游梁式抽油机悬点载荷及扭矩研究
Calculating method on static horsehead load of water drainage and gas production equipment about beam pump for CBM wells
煤层气井有杆泵排采设备悬点静载荷计算方法
Construction of Fatigue Loading Spectrum on Grid Structure with Bolt-sphere Joints under Suspended Crane Loading;
螺栓球节点网架设置悬挂吊车疲劳载荷谱的编制
Research and implementation of key techniques in static tester of suspension mechanism with variable loading
变载荷外悬挂机构静力试验机的研究
Compilation of Fatigue Loading Spectrum of Flat-Panel Grid Structure with Welding-Hollow Ball under Suspended Crane Loading
焊接空心球节点平板网架结构在悬挂吊车作用下疲劳载荷谱的编制
Very little load was placed on the cantilever because of its size and the location of the curb.
由于尺寸及路缘石位置的原因,悬壁上的荷载很
Research on Influence of Cable Wind Load on Wind Action of Suspension Bridges
缆索风荷载对悬索桥风效应的影响研究
Characteristics of Wind Loads on Large Cantilevered Roofs;
大跨度悬挑屋盖结构的风荷载特性研究
Study of Wind Loads on Cantilevered Grandstand Roofs;
体育场主看台悬挑屋盖结构的风荷载研究
Load Investigation During Construction of Long-Span Continuous Beam Bridge by Cantilever Casting;
大跨度悬浇连续梁桥施工期荷载调查分析
Discussion on load transmission of cantilever structural unit in masonry structure;
砌体结构中悬臂构件荷载传递问题探讨
Displacement Exact Solution of Uniform Cantilever Beam under Distributed Load
等截面悬臂梁受均布荷载作用时位移的精确解
Analysis to Large Deflections of Elastic Cantilever Beam with Constraint under Uniformly Distributed Load
均布载荷下变形受约束悬臂梁弹性大变形分析
Detection and Experiment for the Tensile Force Of Suspended Cables Under Concentrated Load
集中荷载作用下悬索张力的检测与实验
Critical Lengths of Arc-shaped and S-shaped beams under the Action of Distributed Load
均布载荷下Arc型与S型悬臂梁的临界长度