参数曲线

Based on the load-slip curves, the propagation of debonding was analyzed and a mathematical model was founded using Stang's theory to calculate the debonding parameters. The maximum load was attained and agreed well with the experimental results.

由试验得到的荷载－滑移曲线分析了界面裂缝开展的过程；借鉴Stang的计算理论，建立了分析模型，计算出界面开裂的表征参数；并且推导出极限荷载的计算公式，与试验结果符合良好。

The test results indicated that the precision of thetorque Sensor on the cool-starting resistance torque and starting rotate speed of the diesel engine can respectively reach 0.6 %and 0.5%, which completely satisfy the cool-starting requirements of the diesel engine at low temperature; the performance curvesof the cool-starting resistance torque for diesel engine on the condition of the different low temperature were accurately obtained,and the variation rules of the performance parameters about the starting rotate speed and the starting power for the diesel enginewere estimated, whichwas the academic basis on the optimalmatching of the cool-starting parts about the diesel engine, the elec-tromotor and storage battery and so on.

结果表明：转矩传感器用来测试低温起动阻力矩和转速的准确度分别达到0·6%、0·5%，满足柴油机低温起动系统测试指标的要求；准确地测得了在不同转速和不同温度下的阻力矩性能曲线，同时也能判断出柴油机的起动转速和起动功率等性能参数的变化趋势及规律，为柴油机、电动机和蓄电池等低温起动部件的优化匹配提供了理论依据。

This paper takes standard straight-cut gear parameterization modeling for instance, introduces the method which is based on development of MDT technology and MDT three – dimensional modeling technology. This research provides three – dimensional entity modeling of parts with precise curve outline. And it demonstrates a practical method for similar situations as well.

本文以标准直齿圆柱齿轮的参数化建模为例，论述了采用MDT的二次开发技术及其本身的三维建模技术建立这类具有精确的曲线轮廓的零部件的三维实体模型，也为其它类似的零部件的三维建模提供了一种切实可行方法。

The expression of the stress-strain curve is chosen and analyzed, the correlation of the material parameters and the factors is analyzed.

在此基础上，进行了应力应变全曲线表达式的选择与分析，并对各材料参数与诸因素间的相关性进行了分析。

As an application, a length-preserving subdivision strategy is also proposed in the paper.

最后，通过选择合适的混合参数给出了一种曲线保长的动态细分方法。

The method of multiple scales is applied to the differential governing equations to analyze the parametric and subharmonic resonances of stay cables.

最后对斜拉索参数共振和亚谐波共振进行数值模拟，得到不同阻尼及不同初始条件下的拉索时间历程曲线。

It was found that sulfuric acid, 2-naphthalenesulphonic acid and sulfurous acid could be effectively separated by competitive exchange adsorption in views of action force difference of the components with the resin. The exchange adsorption dynamic diffusion parameters were calculated with diffusion equation for solids and liquid films, and the rate-determining step was determined. The model of breakthrough curve for the resin bed was suggested, and applied to simulate the breakthrough process for each component.

通过单组分、双组分和多组分平衡数据的测定，发现对于硫酸-萘磺酸-亚硫酸混合体系，可以利用不同组分与树脂作用能的不同，通过竞争交换吸附实现分离；以固相扩散方程和液膜扩散方程对交换吸附动力学参数进行了估算，确定了交换吸附过程的控制步骤；建立了床层穿透曲线模型，并对各组分穿透过程进行了模拟。

And responses under the principal parametric resonance,superharmonic reso-nance and subharmonic resonance are discussed respectively.

文中分析了几类典型方程在退化情况下的局部稳定性，同时研究了一类较广泛的周期参数激励与外激励共存的系统在各种不同情况下的共振响应及其分叉行为，并用奇异性理论进行了分析，绘出了系统的分叉响应曲线。

Given four boundary curves and a set of random points lying on a surface patch, a method for assigning parameters to these points is presented.

给定四条边界曲线和表面贴片上的一系列随机的点，那么就可以提出一种给这些点赋参数的方法。

By applying theory of displacement mat rix the equations have to be salisfied by parameters of mechanism with a first o rdered osculation at three points of a given straight line tangential to curve o f connecting rod were derived, and at the same time enable the equations to sati sfy the condition of velocity's direction by way of se...

应用位移矩阵理论推导了连杆曲线与给定直线在三个点上一阶密切时机构参数应满足的方程，同时通过设定机构初始位置，使其能够满足速度方向条件。也给出了用该方法综合的几个机构实例和一个应用实例。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。