试验设计

Through the study on passivation condition of polyphenol oxidase of vegetable juice,orthogonal design experiment that dissociative pectase degradates the pectinase of vegetable juice and immobilized pectase dealing,draw the conclusion:(1) Polyphenol oxidase will be passivated by heating at 100℃ for 3 min,which prevents the concentrated juice from browning.

本试验通过对蔬菜汁多酚氧化酶的钝化条件的研究，以及游离果胶酶对蔬菜汁果胶降解的正交设计试验和固定化果胶酶处理，得出结论：(1)在100℃下加热3min可使多酚氧化酶钝化，达到防止褐变的要求。

The new method is given to design the optimum profile modification curve design The effects of optimum profile gear in improving the dynamic performance of gear transmission are verified in the Gear Dynamic Performance Test Rig In this dissertation, the main study contents and creative results are shown as following: The influences on the gear transmission system caused by the gear's accumulated error (periodic error and harmonic error) are theoretically studied. A new method is developed to simulate the gear's harmonic error by using the 2-order MARKOV process A simulated model of the dynamic performance which is excited by the gear's accumulated error is obtained.

本文在前人大量研究的基础上，结合作者承担的国家自然科学基金项目"齿轮传动动态系统辨识与三维修形研究"和山东省自然科学基金项目"齿轮传动动态性能仿真及结构参数、齿形的优化修形"，采用理论和试验相结合的新思路，系统地研究了齿轮传动的动态性能，建立了能正确描述齿轮传动系统动态性能的仿真模型和系统辨识模型，给出了确定齿轮传动轮齿修形曲线的优化设计方法，利用自行研制的齿轮传动动态性能试验装置，验证了优化修形齿轮对提高齿轮传动动态性能的突出作用。

The finite element models of two types of machine guns are set up, mainly based on the 3-dimensional beam elements, partly based on boundary elements. Modal experiment plan of the machine guns is designed and their modal analysis experiments are done. The inherent properties of structural vibration and dynamic response properties for type-02 14.5 mm anti-aircraft machine gun and type-89 12.7mm machine guns are completely realized through the method combining theory and experiment, and many valuable conclusions are obtained.

建立了以三维梁单元为主，边界元为辅的高射机枪和重机枪有限元模型，设计了模态试验方案并进行了两支枪的试验模态分析，采用理论与实验相结合的分析方法，全面揭示了 02 式 14.5mm 单管高射机枪和 89 式 12.7mm 重机枪的结构振动固有特性和动力响应特性，获得了许多有价值的结论。

Design methods of frequency conversion power supply and high voltage reactor in the equipment are discussed.

论述了装置中变频电源和高压电抗器的设计方法；进行了750 kV电压等级超高压电力变压器的交流耐压和局部放电试验，对试验数据进行了分析。

For power-driven valve, high pressure sealing test of the test pressure should be selected by using the power drive unit design pressure of 110%.

对于动力驱动的截止阀，高压密封试验的试验压力应是选定动力驱动装置所使用的设计压差的110％。

Including setting up system platform and measuring structure of the rigidity of pretension spring of the solenoid valve, designing the dynamic electric-current driver on the basis of power sink principal, variable pulse width modulation of voltage boosting and inversion technology, realizing the intelligence controlover the control parameters, satisfying the diversity requirement towards the dynamic feature experiment of the solenoid valve; furthermore, testing system software is developed, and filtering is conducted over the signals of armature displacement response and driving current educed from the experiment using wavelet analysis technology.

构建了系统台架和电磁阀预紧弹簧刚度测量机构，设计了基于功率吸收原理和可变脉宽升压逆变技术的电磁阀动态电流驱动器，实现了对驱动器参数的智能控制，满足了对电磁阀动态特性试验的多样性要求。开发了测试系统软件，提出了基于小波分析的方法，对试验所得衔铁位移响应信号和驱动电流信号进行了滤波。

The test and research on anti-floating anchor s are carried out based on the pump room engineering.

针对某泵房工程，对工程抗浮锚杆进行试验研究，通过锚杆的破坏性试验，得出抗浮锚杆的抗拔力，为抗浮工程的设计提供了依据。

By applying the computer techniques, randomized test method and ternary linear regression method, the test of turning force is introduced.

介绍应用计算机技术、随机试验法和三元线性回归法设计多因素车削力试验，并说明处理数据的原理和软件主要模块中难点的实现。

The experiment was designed according to orthogonal lable L25(5^4) and tested by rotatory viscometer .

试验按L25(5^4)正交表设计试验，使用双筒旋转粘度计对涂料的流变性能进行测试。

A neural network was used to design a PID controller with adaptively adjustable parameters for the vehicle stability control program, and a self developed hardware-in-the loop simulator was presented. The tests were made to debug the control program with the above mentioned simulator.

设计了面向车辆操纵稳定性控制的车轮制动神经网络PID控制器参数自调整算法，介绍了自行研制的车辆ESP硬件在环试验平台，采用该平台进行了控制算法的台架试验。

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。