The fatigue crack propagation behavior of the titanium alloy Ti-4Al-2V bearing hydrogen at a concentration of 110 g/g and 280 g/g under different load ratios was investigated.
研究了含氢量为110g/g和280g/g的Ti-4Al-2V钛合金在不同载荷比下的疲劳裂纹扩展行为。
th is normally viewed as a constant under different load ratios.
不同载荷比下的有效应力强度因子范围门槛值△Keff。
In the paper, the author utiliged the Lagrangian Multiplication changed a typical conditional extreme value into unconditional extreme value, then established the distribution of the load ratio about multistage rocket.
本文应用拉格朗日乘子法，将一个典型的条件极值问题化成无条件极值问题，从而确定多级火箭各级的载荷比。
The concepts of load,unit load and loading factor are introduced.
介绍机械密封常用的密封面载荷、比载荷和载荷系数。
A corelation curve describing the relationship between the dimensionless contact area and the unit load on the end-faces of GY70 mechanical seal was obtained by numerical calculation.
采用数值计算方法得到了GY70型机械密封摩擦副端面间的量纲1真实接触面积与端面比载荷的关系曲线。
The influences of the load combination ratio,rise-span ratio,sag-span ratio and resistant variable variance on the reliable performance are discussed.
分析了荷载比例、矢跨比、垂跨比和抗力类变量的变异系数对结构可靠性能的影响。
The load ratio △p/p has significant effects on C■.
结果表明:初始加荷时,次固结系数C■随固结压力p先增大后减小,但次固结系数峰值对应的荷载并非前期固结压力;在超固结状态下,第1次再加荷时,C■随p增大而减小,但35次荷载循环后再加荷时即使在超固结范围内C■随p增大而增大;次固结系数随荷载循环次数增加显著减小;荷载比对次固结系数的影响明显。
Under low temperatures,when the load ratio changes from 0.
低温下,μ在荷载比为0。
The new machine can increase3 times the payload asagainst1988.
新机器的有效载荷比1988年增加了两倍。
The comparative analysis of wave-induced loads to the series deck transport ships
系列甲板运输船波浪载荷比对性研究
payload-structure-fuel weight ratio
有效载荷、结构和燃料的重量比值
Research Report of Comparison Test for Quick and Slow Static Loading Test;
静载荷试验快速法与慢速法对比试验
Compare & Study on Vehicle & Lane Loading Effect of Highway Bridge Design Code;
公路桥梁规范汽车荷载效应比较研究
For a unit of projected area, the loading on a telephone pole or a smokestack will be less than on an I-beam.
对一个单位面积来说，电线杆或烟囱上的荷载要比工字架上的荷载
Study on Reinforcement-curtain Effect and Pile-soil Load Share Ratio of Pile Groups;
群桩“加筋遮帘”效应及桩土荷载分担比研究
Comparative Research on Consolidation Methods of Soft Clay Foudation in FoShan under Embankment;
路堤荷载下佛山市软土地基加固方法比较研究
Numerical Simulation of the Fatigue Nonproportional Hardening Rule under Nonproportional Loading;
复杂荷载下疲劳的非比例硬化数值模拟
A Comparative Study to the Displacement of Natural Tooth and Tooth Implant under Dynamic Loads;
动态载荷下天然牙与牙种植体位移的比较研究
The Theory of Assimilative and Vertical isomerism Board;
大中桥梁荷载横向分布比拟正交异性板法
Comparison Analysis of Internal Force Computation on Frame Structure under Vertical Loads;
竖向荷载作用下框架内力计算方法的对比分析
Study on Low Cycle Fatigue Fracture Surfaces of Titanium Alloy BT9 under Non-proportional Loadings
钛合金BT9非比例载荷低周疲劳断口显微分析
The comparison of design wind load parameters under complex terrain conditions in typhoon-prone region
台风多发区复杂场地设计风荷载参数比较
Comparison and Evaluation for Load Calculation and Stability Design of Large Steel Silos
大型钢板筒仓荷载计算及稳定设计方法比较
Contrast Analysis on Prediction Models for Load-displacement Curve of Uplift Pile
抗拔桩荷载-位移曲线拟合模型的比较分析
ANALYSIS AND COMPARISON OF WIND LOAD ON BUILDING BETWEEN CHINESE CODE AND VIETNAMESE STANDARD
中国与越南建筑风荷载规范计算分析比较
Study on Ratios of Effects of Different Loads to Gravity on Curved Box-Girder Bridges
弯箱梁桥各种荷载应力与自重应力之比的研究
