试验设计

The method of orthogonal design is applied in the DOE, and the experiments are simulated. The results are analyzed with the analysis of regression to study the effect of the drive and fuel economy performance by the factor of drive train parameters.

对动力传动系统参数进行试验方案设计，对试验方案进行动力性和基于循环工况的燃油经济性模拟计算，采用回归分析的方法对试验结果进行处理，研究了试验因子及其交互对试验指标的影响，并对参数进行了预测和优化。

As the maneuverability of the model of 800 t ship with double tail fins didn′t meet the design standard,this article turned the twin skeg of the models into tail-shaft strut,and then made tur-ning tests and Z shape tests.

针对某一采用双尾鳍形式的800 t级排水船在进行自航模试验时出现操纵性能不能满足设计要求的情形，文中将其尾部的双尾鳍改成轴支架，并在某露天操纵性水池中，对改进后的自航模进行了回转和Z形操纵试验，通过对实验结果进行比较发现合理设计轴支架的大小和安装位置能够较好地改善800 t级排水船的操纵性能，并能够满足给定的船舶操纵性能设计要求。

The dynamic measuring method of alignment parameters based on the Satisfaction Criterion Model is presented in this paper. Using the quadratic regression crosscut combination method to organize the experiment, the mapping relationship between side force of slippage and camber angle and toe-in of the testing vehicles is obtained by regressing the experiment data. In this experiment, side force and slippage are testing objects, camber and toe-in value are testing factors.

本文提出了基于满意准则数学模型的车轮定位参数智能化动态测量方法，运用二次回归正交组合设计方法组织和安排试验，以车轮外倾角和前束值作为试验因素，侧向力和侧滑量作为试验目标，通过对试验数据的回归处理得到了试验车辆的侧滑量或侧滑量同车轮外倾角以及前束值之间的映射关系。

Based on the security,efficacy,cheapness and easy gain three disinfectant drugs(acids, degerming agents,surface active agents)were chosen to killing coccidial oocysts in chicken.

本试验按照安全、有效、经济、来源容易的原则，从对鸡球虫卵囊有一定抑杀作用的三类消毒药物(酸类、消毒剂类、表面活性剂类)中，筛选了 17组不同药物和浓度的搭配组合，设计了 3个试验：抑制鸡球虫新鲜卵囊孢子化试验；抑杀孢子化卵囊试验；新鲜卵囊和孢子化卵囊经药物处理后感染小鸡试验。

At the end of the paper, based on the theory analysis, the results of tests in lab andthe design of test road, a new design method of the overlayer on the old PCC pavementis introduced, in that the influence of the interlayer in the overlayer is taken account.

最后，在以上的理论分析和室内试验结果基础上，本文对各种加铺层设计方法进行比较分析之后，结合试验路观测结果，提出了一种考虑反射裂缝的旧PCC路面上AC加铺层设计方法，并对该设计方法的进一步完善提出了设想。

The contact fatigue strength was measured after the 20CrNi2Mo and 15CrNi6 steel used asdragging gear on quasi high speed locomotive was carburized and quenched as well as peened,com-pared with that of 20CrMnMo steel.The results shown that the contact fatigue strength limits of thesethree types of steel carburized and quenched essentially same,and the contact fatigue strength Iimit hasbeen increased by 5 porcent after peening,and that the failure appoarances of all contact fatiguespecimen were delamination ...

对20CRrNi2Mo、15CrNi6及20CrMnMo渗碳淬火齿轮及15CrNi6渗碳淬火＋喷丸处理齿轮进行了弯曲疲劳试验，介绍了齿轮试件的设计与加工、试验装置与夹具、试验方法及试验数据的统计处理，试验结果表明，20CrNi2Mo和15CrNi6渗碳淬火齿轮在R＝0.99时的σFlim分别为530MPa和375MPa，与20CrMnMo渗碳淬火齿轮相比，弯曲疲劳强度分别提高80％和27％。15CrNi6经渗碳淬火＋喷丸处理齿轮在R＝0.99时的σFlim为490MPa，比未喷丸处理者提高30％。

In this paper, based on the feature of MR fluid and design principle of magnetic circuit, a shear and valve type MR damper with twoway pushover bar and 2stage coils is designed and manufactured.

本文根据磁流变液的材料特点和磁路设计原则，设计并制作了一个双出杆的剪切阀式磁流变阻尼器，在伺服试验机上对所设计制作的磁流变阻尼器的阻尼力性能进行了试验研究，并分析了影响阻尼力的各种因素。

The main points are as follows:1 Experiment researchThe twice throwing system structure of the aerial submunition has been designed according to the technical target, including the external-combustion type gasbag throwing system and the central tube bursting-type throwing system. The experiment studies of the gas-charge experiment of the gasbag and the throwing experiment of the sub system have been carried out, then find out the effect of the correlative parameters .

主要内容如下： 1 结构设计和试验研究根据技术指标完成了航空子母弹第一抛撒系统和第二抛撒系统的结构设计，分别对分系统和全系统进行了试验，研究各个参数的影响，通过对抛撒系统结构性能的实验和理论研究，完善抛撒系统的设计方案。

As well as the design of wheel force measuring instrument, the DAQ machine and the handheld device. The system is constructed and applied in roadway test to validate the preciseness and reliability of the system.

本文以设计开发一种通用型的汽车道路试验数据采集系统为目的，研究了车轮力测量技术的原理和采集方案，设计了车轮力测量装置、数据采集机、手持仪等硬件及相应的软件，并组成系统在汽车道路试验中得以应用，验证了系统设计的正确性和可靠性。

Based on the virtual prototype technology and simulative software platform Pro/E, the double rotating shaft supporting mechanism of wind tunnel testing model was designed and developed, and the mathematical model of angle control was established.

基于虚拟样机技术及仿真软件平台Pro/E，设计开发了风洞试验模型的双转轴支撑机构，建立了角度控制的数学模型，实现了机构的虚拟样机设计和运动学仿真，获取了被测试验模型运动情况的运动参数曲线，并对双转轴机构实施了干涉的动态检查，为双转轴机构设计方案的交流与评估，以及双转轴机构的制造与应用奠定了基础。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。