Results showed that the curves of fatigue / creep have three stages at the 75 % stress and the curves of fatigue / creep have two stages at the 55 % stress 结果表明，在交变载荷最大值为75 %的应力水平下，其疲劳蠕变断裂曲线为3段式曲线；在55 %的应力水平下， 15小时内其疲劳蠕变曲线为两段式曲线。
This thesis takes the indifference curve and investment possibility curve as analyzing tools , ownership advantage and location advantage as analyzing factors to establish approaching model 本文以无差异曲线和投资可能性曲线为分析工具、以所有权优势和区位优势为分析要素来建立拟合理论模型。
With the proposed method , the internal operation of lijiaxia hydropower station is optimized and the optimized load distribution is derived based on three characteristic daily load curves 运用上述方法，分别以3条特征日负荷曲线为依据对李家峡水电站的厂内运行进行了优化，并得到其负荷分配方案。
In accordance with the damage data of gas pipelines collected in the chi - chi earthquake , the study assumes that the empirical fragility curves can be expressed in the form of two - parameter normal distribution functions 文中配合集集地震时天然气管线的灾损资料，假设易损曲线为一个具两参数的常态分布函数。
Previous algorithms either fitted general conies or were computationally expensive . by modifying the ellipticity constraint , we can ensure what we get is an ellipse , so that we can get the symbol to track moving objects 对此文中通过对椭圆拟合约束条件的修改确保拟合的二次曲线为椭圆，从而实现了符号化跟踪运动物体的系统。
And the inverse u curve of the difference between two s curve , which represents the developed city and developing city , should be the urban governance criterion based on the s curve of urbanization endowed economic meaning 通过城市发展s曲线的推导，赋予其经济学内涵。并以s曲线为工具，系统地描述了城市发展的自组织过程。认为s曲线之差所形成的倒u型曲线可作为城市治理的判据。
The results indicate that the load transfer law of squeezed branch pile is similar to that in the ordinary soil , the velocity of load - settlement curve changes slowly and the pile has high load bearing capacity , the principle of load transfer has apparently sequence 结果表明，支盘桩荷载沉降曲线为缓变型，具有较好的承载性能，荷载传递规律与在非湿陷性黄土地基中具有相似的性质，桩身各段承载力的发挥具有明显的顺序性。
Comparing with the neutral cave on the smooth plane that was thumb - like and opened at the bottom , the neutral caves on the plane with single roughness elements were closed circles . with the growing of roughness element s height , the closed circle became smaller 实验中发现与光滑平板边界层的下端开放式的拇指型中性曲线相比较，有粗糙元平板的中性曲线为封闭式的环形曲线，随着粗糙元高度的进一步增加中性曲线收缩为更小的闭合环。
Diurnal variation in transpiration rates for different plants followed a similar pattern ; transpiration rates were low in the morning , increased as temperature and light intensity increased , and then declined again . transpiration rates for most plants had a single peak each day . some plants had two peaks per day 中午光照最强时，有些植物会出现午休现象，其日变化曲线表现为双峰型，同种植物在有些月份的日变化曲线为单峰型，有些月份又表现为双峰型。
First according to the fact that tangential components of the evolution do not affect the geometric shape of the evolving curves , we introduce the evolution equation of geometric quantities for the general planar curves . then we describe the work of gage - hamilton briefly . last we consider a special curvature flow of curve which evolves with speed function of the principal curvatures along the inner norm and show that convexity of the curve is kept and its length and area are contracted if the initial closed curve is smooth and convex . so the final shape of the curve will be a point in finite time 首先根据曲线在切向分量上发展是不影响曲线的发展形状，我们引入了曲线的一些几何变量的发展方程；其次我们简要地回顾gage - hamilton研究曲线发展的一般步骤；最后我们考虑沿曲线的内法线以曲率的函数为发展速度的一类特殊的曲线族，证明了在初始曲线为凸的闭平面简单曲线条件下，曲线将保持凸的，并且它的面积和周长将同时收缩，并在有限时间内成为一个点。
