The thermal fatigue liveswere evaluated by the methods of equivalent strain range and equivalent plastic strain energy density.
利用带缺口试件进行了同相和异相热疲劳试验,并借助轴对称热疲劳力学行为的有限元数值分析程序,计算和分析了缺口处的复杂应力和应变,探讨用当量应变范围和当量塑性应变能密度评价热疲劳寿命的可能性。
The experiments confirm that the equivalent strain range from Mises equivalent theory is related with the life as Manson Coffin formula.
采用Mises当量准则,求出当量应变范围,通过实验证实,它与寿命之间存在着MansonCoffin公式关系,并把这一表达式推广到复杂应力状态且摆脱结构形状和尺寸的影响,从而可把实验室中利用试件进行的一维状态下疲劳特性的试验结果用于复杂应力状态下不同形状和尺寸的构件。
Studies have shown that demand change is the main form of scope changes; from the point of view of scope changes\'
因此范围变更管理是铁路信息化项目管理的重要内容,加强铁路信息化项目范围变更的管理与控制不仅对实现项目按预期目标完成具有重要意义,而且还对项目进入运行维护阶段以后的业务扩展、功能升级同样具有重要意义。
Objective To investigate the relationship between the scope and degree of coronary artery stenosis and the structure of left ventricle.
目的探讨冠心病患者冠状动脉病变范围及狭窄程度与左心室结构的关系。
AIM: To investigate the relationship between the scope and degree of coronary artery stenosis and the function of the heart.
目的:探讨冠状动脉病变范围及狭窄程度与心脏功能的关系。
The total variation range in seed weight for all crosses was 16. 7 mg.
所有杂交在种子重量上的总变异范围为16.7毫克。
the estrous cycle and duration of estrus in doe were in a small range of varia-tion in the five populations;
5个品种(品系)母鹿的发情周期和发情持续时间的变异范围较小;
The variation scope of standard curve parameter of 12 groups of RIA tests for the eight kinds of pituitary and gonad hormones was basically controlled under 15%.
这8种垂体性腺激素12批RIA测定的标准曲线参数的变异范围基本控制在15%以内。
The range of Cv is 15.6%-58.3% in 8 plots.
8个种群的变异系数的变化范围为15.6%-58.3%。
Continuous variation (quantitative variation; multifactorial inheritance) A form of variation in which the characters show continuous variation within a certain range of values.
连续变异:变异的一种类型,其性状在一定的范围内是连续变化的。
Due to the concern of process variation, the delay of each clock buffer is treated as a range instead of a single value.
在制程变异上面,每个时钟缓冲器的延迟值被表示为一个范围值。
Such variations are in many ways similar to the large-scale regional anomalies observed in gravity work.
这种变化在许多方面与重力测量观察到的大范围区域异常接近。
Health officials fear that bird flu could change into a form that spreads person-to-person worldwide.
卫生官员担心病毒会变异,并且在世界范围的人们之间传播。
The output is usually either a varying electrical voltage or displacement of a moving pointer over a fixed scale.
所测出值不是电压变动量,就是固定范围内的指针异动值。
The species that make up natural ecosystems usually display a wide range of genetic variability.
构成自然生态系统的生物种,通常表现有较大范围的遗传变异性。
The Study on the Poly(N-Isopropylacrylamide) Hydrogel Microspheres with Narrow Phase Transition Temperature Range;
相转变温度范围窄的聚(N-异丙基丙烯酰胺)水凝胶微球的研究
The correlation between wall-motion abnormalities and area of coronary artery lesions in patients with acute coronary syndrome
急性冠状动脉综合征患者室壁运动异常与冠脉病变范围的关系
a wide price range.
极大的价格变化范围
the annual range of temperature
每年的温度变化范围
slewing range
(步进电机的)变速范围
Trans Range T3 Sense
变速箱范围T3感知
The spectral range for Grating #H6, #H7, #H9, #H10, #H11 and #H12 varies according to the starting wavelength range.
12号光栅的光谱覆盖范围随其始波长范围变化。
transition interval
变色范围, 转变区, 转变间隔