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- Keywords high K ratio method;toughness;stress strength factor;fatigue precracking;welds; 高K比法;断裂韧度;应力强度因子;疲劳预制裂纹;焊缝;
- In this paper the difference of the theoretical values between the twin shear stress strength theory with the Tresca and the Mises strength theories are analysed and compared by a concise method. 应用双剪应力强度理论对拉压异性材料制成的圆环进行了弹塑性应力分析 ,得到了弹性极限内压力、弹塑性极限内压力与拉压比的关系式 ,并举例说明了其在岩土材料抗拉强度测试中的应用。
- So the void ratio method is feasible in compaction control of subbase. 因此,路基压实用空隙率法控制是切实可行的。
- Pearson correlation was used to analyze the absolute error of angle and E/I strength ratio. 以皮尔逊积差相关系数分析整体绝对误差角度与肌力比值的关系。
- There were no significant correlations between proprioceptive function and E/I strength ratio. 本体感觉功能和肌力比值未达显著相关。
- Reliability design of the mechanism of sliding leadscrew nut is studied by using the stress strength interference model. 应用应力-强度干涉模型,研究了滑动丝杠螺母机构的可靠性设计。
- The normal ranges derived with the radioulnar ratio method demonstrated larger variation than originally reported. 桡尺比率法正常范围显示与原先报道相比有更大的差异。
- The distribution patterns of Amanita population were analyzed by means of variance/mean ratio method. 摘要采用方差/均值比率法测定了鹅膏属种群的分布格局类型。
- The monotone property of multivariate function proved that the maximum stress strength point exists on the inner surface of casing under the triaxial stress conditions. 通过实例计算,对比分析了用“三向应力圆”理论与其他几种理论计算的抗挤强度值。
- The square ratio method and basin precipitation method are commended for annual runoff calculation. 在年径流计算中,建议采用面积比法和流域雨量法。
- When the SO 3 content in FBC (fluidized bed combustion) ash was varied, influence of SO 3 on K a of that ash was consistent with that on strength ratio of mortar. 改变循环流化床含硫废渣中的SO3含量 ;其对Ka 和胶砂强度比的影响也相同 .
- The composition and stable constant were measured by equimolar continuous change method and the molar ratio method. 用等摩尔法和连续变化法测定了缔合物的组成和稳定常数。
- Objective:To discuss the value of ratio method to estimated the function of thyroid nodule. 目的:探讨用比值法判断甲状腺结节功能状态的价值。
- Methods Found the relationship of aortic dissection false lumen s ectonexine of aortic tunica media by test and measurement their shape-changed strength ratio. 方法通过胸主动脉夹层假腔内外层的屈服形状改变比能,发现两者间的关系。结果60%25的实验犬形成夹层模型。
- The significant changes of muscle strength ratio in different directions could indicate compensatory mechanisms developed by the patients to unload the ACL. 结果表明各样本组肌肉力量比值在不同方向上存在显著性差异。
- The basic principle and its application of chronological loop curve method, later water level method, adjusting factor method and fluctuating ratio method were analyzed here. 介绍连时序绳套曲线法,水位后移法,校正因数法,涨落比例法的基本原理及其在梧州水文站的应用分析。
- Dividing the forehead into three lines, with well-distributed strength for both sides, and little stress strength on "Tai Yang", rubbing repeatedly for six to thirty six times on each line. 要领:把前额部划分出三条横线,起手时用力一定要左右用力均匀一致,并在“太阳”处稍用力揉按。每条线反复操作六至三十六次。
- The emphasis was put on the critical indentation depth with the influence of the yield strength ratio of the soft film to the harder substrate and the size of the indenter. 重点研究了平压头压入过程中;不同屈服强度比(软薄膜屈服强度与硬基体屈服强度之比)以及不同压头尺寸下硬基体对压痕规律的影响.
- The fixed ratio method has already been illustrated in the example of the Blair and Cross partnership, in which profits were shared equally. 固定比率法已在布莱尔和克罗斯合伙企业的例子中说明,他们的利润是平均分配的。
- Based the numerical simulation for sphere tank with defects,fracture safety assessment and stress strength verification are done under the cases of working pressure and over pressure. 在数值模拟计算含缺陷球罐应力场的基础上,对含缺陷球罐在工作压力和超压两种工况下进行了断裂安全评定和强度校核。