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
Discussion on adaptability of point load test of rocks;
试论岩石点荷载试验的适用性
In order that irregular rock pieces could be used at the site to test the point load strength of rockthe laboratory and the in-situ contrastive testing and analysis are conducted.
为了在现场采用不规则试件测试岩石点荷载强度,在实验室和现场进行了相关的对比测试与分析研究。
The writers put forward a new method: collecting some fresh irregular rock piece from the rock bed, the height, length and width of which are accoring accordance with certiai certain regulation, testing them on a point load apparatus at the workplace directly, and processing the data to find the point load strengh of ro.
由于点荷载数据符合正态分布规律,采用Grubbs准则对可疑数据进行取舍,从而代替了人为取舍方法。
By solving load-constant,this paper presents equivalent nodal load of several applied-loads on parabolic wedge-shaped beam with rectangular section in cross-beam structures.
本文通过求矩形截面抛物线楔形梁的单元柔度系数和刚度系数,提出了交叉梁系结构中矩形截面抛物线楔形梁的单元刚度矩阵,通过求矩形截面抛物线楔形梁的载常数,提出了交叉梁系结构中矩形截面抛物线楔形梁上几种作用荷载的等效节点荷载。
Breaking characters of coal-rock under point load press;
点载荷作用下煤岩体的破坏特性
The testing principle is point-load method,having the advantage of high efficiency,be quick,economic,reliable,time-saving and easy to operate.
介绍了HQC40混凝土强度检测仪,该仪器主要用于喷射混凝土的强度检测,其检测原理为点荷载法,具有高效、快速、经济、可靠、省时和省工且易操作等特点,为煤矿井下及其它锚喷支护工程质量的检测提供了一种实用的工具。
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