性能

By optimizing the auxiliary agents such as diluter, filling, accelerator and silane coupling agents, the epoxy adhesive JD was finally obtained, which has good performances of processing, mechanics and adhesion.

通过稀释剂、促进剂、偶联剂、填料等助剂对环氧树脂胶粘剂体系进行优化改性研究，最终获得了具有良好的施工性能、力学性能和粘结性能的低温固化环氧树脂结构胶粘剂。

The results are shown thatthe developed SBS-modified bitumen is excellent in dissolubility and stability, and canbe stored in long term.

评价结果表明，研制的SBS改性沥青产品性质优越，改性沥青体系具有较好的相溶性和稳定性，可以长期贮存；还具有优异的路用性能，即具有良好的高低温性能和抗老化性能，完全能够满足沥青路面对高性能沥青的要求。

From the mechanics analysis, the relationships between the configure parameters (such as the wheel parameters and the position of mass center) and the mobility performane indexes (such as the wheel sinkage, motion resistance and drawbar pull) are obtained. The design principles of the wheel parameters, position of mass center and the wheel space are given. It is demonstrated that the mass center is crucial to the mobility performance of the lunar rover.

通过对移动性能的分析，得到了构型参数和地形参数与下陷量、运动阻力、牵引力等性能参数间的关系曲线，给出了月球车车轮、质心位置和轮距等构型参数的设计原则，论证了质心对于月球车移动性能的重要性。

In order to avoid repeating job in the most extent and improve efficiency of design, using the idea of structure parametric design. Based on APDL, the FEA drill chuck model can be easily created by adjust several geometric parametric and the process of FEA is automatically executed.This paper discusses the affections of different parameters for the stress capability of drill chuck. The high efficiency drill chuck strength analysis system can help designer develop new products.

为避免重复工作和提高分析效率，本文结合ANSYS提供的二次开发参数化设计语言APDL，实现了对有限元分析软件ANSYS命令流的调用，解决了通用程序与专业需求之间的矛盾，完成了钻夹头有限元参数化程序分析，对钻夹头的强度性能进行了分析和仿真；模拟钻夹头实际生成过程中的性能测试试验，探讨加工误差引起的不同装配角度等参数对钻夹头强度性能的影响。

Their chemical structures,optical properties and electroluminescence properties were concluded,the characteristics of different polythiophenes were discussed.

对它们的结构、光学性能、电致发光性能进行了归纳和总结，讨论了不同类聚噻吩的特点，对比了随取代基种类、位置及个数的不同其聚合物性能的优缺点，并对其研究和应用前景进行了展望。

After testing the mechanical property of elytron with nanoindentation, the experiment result shows that values of Cybister tripunctatus's elytron chitin are higher than the average values, and the mechanical property of different testing areas are dissimilar.

在对多种甲虫鞘翅运用纳米压痕仪进行力学性能测试后，发现东方龙虱鞘翅壳质层的力学性能数值要大于总体的平均值，而且同一甲虫鞘翅的不同测试区的力学性能也存在差异。

In the redispersable powders, WACER powder is excellent. When fine percentage of redispersable emulsoid powder is 1, toughness, adhesive performance of mortar have improved.(3) When MC was mixed into mortar, water-retentive performance, toughness, adhesive performance of mortar have improved and 28d dry shrinkage of mortar has reduced.(4) When AEA was mixed into mortar, dry shrinkage of mortar reduced and infiltration resistance has improved.(5) When cement-to-sand ratio is 1:2.5 , toughness of mortar is perfect.

2WACKER的VAE和551Z两种乳胶粉的效果较好，最佳质量掺量均为1%，对砂浆的和易性、韧性、粘结性能均有较大改善；(3)在干拌砂浆中加入MC保水剂后，砂浆的保水性提高，韧性得到改善，粘结性能也得到了增强，砂浆的28d干缩值也有所下降；(4)砂浆中加入AEA膨胀剂后，砂浆的干缩下降，抗渗性也有一定提高；(5)灰砂比为1：2.5是较为理想的，砂浆的和易性较好，韧性较好；(6)砂浆中加入掺合料可以使砂浆的韧性得到提高，但是会使砂浆的粘结性能下降。

The superior mechanical performance of eutectoid steel is shown by in its pearlyte slice structure.

通过力学性能测试以及SEM观察，对拉拔大变形共析钢在不同应变量下的力学性能及微观组织演化进行分析，结果表明：共析钢优越的力学性能缘于其特有的珠光体层片结构。

This is because the effect of component in welding material is very complex and no explicit function expression can be gotten before build up the relationship between the recipes of welding material and its performance.

由于焊接材料配方的组份与性能间作用关系的复杂性，无法事先知道组份与配方性能之间关系的明确分析函数形式，本文选用了神经网络建模方法作为建立焊接材料的配方和性能之间的定量关系的工具。

The difference between dynamic performance and static performance of catalyst is studied by test. And the effect of A/F ratio fluctuation with difference amplitude and frequency has been studied.

对催化剂的动态性能和静态性能进行了试验对比，并针对不同幅值和频率的空燃比波动对催化剂性能的影响进行了试验研究。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。