查询词典 experimental method

It introduces a kind of novel loading test system, based on the operation principle of damper. this loading system is operated by the driving motor. it realizes the loading, in that the damper has a negative drive force that puts on the motor. Based on the ordinary electromagnetic damper, the thesis presents a novel hybrid excitation electromagnetic damper which has adjustable work characteristic, analyses the working principle and structural feature of the electromagnetic damper, deduces the formulas to calculate the eddy current density through the Electromagnetic theory, analyses the distribution of the eddy current in the cotyloid rotor, and also studies the method of calculating the damp torque, establishes the mathematical model of the electromagnetic damper, analyses the relationship between the electromagnetic damper structural parameter and damp torque, researches the engineering design and analysis method of the electromagnetic damper, provides theory foundation for the design and analysis of the electromagnetic damper, contrives a hybrid excitation electromagnetic damper that satisfies the target request, designs a set of compound excitation electromagnetic damping loading control system whose control core is AT89C51 monolithic integrated circuit, analyses the electric circuit part, and carries on the experimental test to this set of electric circuits. Finally it debugs this electromagnetic damping loading system, this system satisfies the target request proposed.

论文提出了一个全新的加载测试系统种类，该加载系统是在阻尼器工作原理基础上，利用电动机拖动阻尼器运转，从而阻尼器产生一个与运动方向相反的阻尼力矩，该力矩作用在电动机上实现对电动机加载测试；同时，论文在一般电磁阻尼器基础上提出了一种新型的可调式复合励磁电磁阻尼器结构，该种阻尼器的工作特性在一定范围内可进行调节；论文分析了电磁阻尼器的工作原理和结构特点，运用电磁场理论分析推导了电磁阻尼器的涡电流密度公式，分析了涡电流在转子杯内的分布图，并对阻尼力矩计算方法进行了研究，建立了电磁阻尼器的数学模型，分析了电磁阻尼器结构参数和阻尼力矩之间的关系，对电磁阻尼器的设计和分析方法进行了研究，为电磁阻尼器的工程设计建立了理论基础；设计了满足技术指标要求的复合励磁电磁阻尼器和一套以AT89C51单片机为控制核心的复合励磁电磁阻尼加载控制系统，对该控制系统硬件电路各部分进行了分析和设计，对软件进行了设计，并对控制电路进行了试验调试，该系统满足所提出的加载指标要求。

Through block wall experimental study we can find out that cracks would appear late and the load of crack-resisting and limit-resisting are increased obviously by the constructional measures in the wall. It is very effective method that the splayed cracks are controlled by sill ring beam, the horizontal bending cracks are controlled by structural column on the side of the wall and the horizontal cracks on the top of the wall are controlled by the whole ring beam. It is the most effective method that wall cracks are controlled by structural column, crout column and sill ring beam.

通过试验主要得到在墙体中采取构造措施后，墙体裂缝推迟出现，开裂荷载和极限荷载都有很大程度的提高，同时发现窗台圈梁在控制窗角的八字缝、墙体两侧构造柱对于防止水平弯曲缝以及全截面的圈梁在防止墙体和圈梁交界处的裂缝的出现能起到很好的效果，通过试验确定在砌块墙体中采取&构造柱+芯柱+窗台圈梁&的构造措施来控制裂缝是最为经济合理有效的。

To overcome the shortcomings of the ammonia-alcohol method, this paper experimentally studied the green deacidification technology of diesel by the ammonia-alcohol method, which used low-temperature coalescence filtration in a self-made experimental device.

为克服醇氨法的缺点，在自制的实验装置上采用低温聚结过滤法对柴油醇氨法绿色脱酸技术进行实验研究。

The model had good duplicability and stability through the method of establishing the animal model in which the simple operative method,small wound and convenient nurse was obtained so easilyis that the animal model was spread easily.The study of the change of short and long period was made to provide the experimental base and reason through the animal model.

结论通过自制冲击器冲击兔右侧髋臼软骨，模拟冲击伤机制，初步建立髋臼软骨冲击伤实验动物模型并量化冲击能，通过统计学分析，大体和组织病理学检查，并与国外动物模型相比，本模型重复性和稳定性好，术式操作简单，创伤小，护理方便，易于推广，为研究活体动物髋臼软骨冲击后的短期和长期变化提供实验基础和依据。

Experimental results show that the proposed method is robust to the severe projection transmutation. The proposed method provides robust scene matching during electrooptical imaging guidance.

仿真结果表明，该算法能够适应光电成像制导中图像的几何形变，实现稳定的景象匹配。

Comparing the experimental results with the results calculated using the OCIMF method, the reliability of using the OCIMF method is testified.Thirdly, the basic configuration plan of a ship undocking assisted by different number of tugs is given. The relationships among the gyroidal moment, gyroidal time and drag forces of tugs in the process of ship undocking are analyzed.

三、制定了不同数量拖轮协助船舶出坞时的基本布置形式，给出了不同拖轮协助船舶出坞时的拖轮布置示意图，并试验分析了船舶出坞回转力矩与回转时间和拖轮拖力之间关系，并确定了用于船舶出坞回转的拖轮拖力的余度大小。

The experimental results show that the proposed method is better than traditional HSI method and wavelet transformation.

将新的亮度分量进行增强处理后，进行HSI逆变换获得最终融合图像。

Based on the ETA/VPG and LS-DYNA software platform and "vehicle-barrier-curve-road" integrated system dynamics model, in the research, the orthogonal experimental design method and the dynamic explicit finite element method were applied jointedly. The rear wheel elevation was considered as criterion for evaluation and six cross-sectional shape design variables were created. The application of L25 (5^6) orthogonal table for simulation and the use of SPSS statistical package help the variance analysis of simulation results, and the influence levels of various factors were studied to determine the optimal parameters of concrete barrier.

为此，以NJ型混凝土护栏尺寸参数为参考基础，以防撞等级为SS级的护栏为研究目标，以大型客车总质量为18t、碰撞速度为80km/h、碰撞角度为20°的碰撞条件为研究工况，基于eta/VPG及Ls-dyna软件平台及&汽车－护栏－弯道&一体化车－路系统动力学模型，联合应用正交试验设计方法及动态显式有限元方法，以客车后轮抬高量为考核指标，对控制弯道混凝土护栏截面形状的6个设计变量，应用L25(5^6)正交试验表安排仿真试验，借助SPSS统计软件包，对仿真试验结果进行了方差分析，找出了各因素对结果的影响程度，并据此确定了弯道混凝土护栏的最佳尺寸参数。

Experimental results show that, the method is better than Ker's calibrating method, especially in detecting uncompressed high resolution raw image due to its simple realization without estimating the embedding rate beforehand.

实验结果表明，该方法要优于Ker的校准法，尤其对未压缩的高精度原始图像的检测更为有效，并且不用估计嵌入率，方法简单，易于实现。

Using Lithospermum erythrorhizon seeds grown in the northeast of China as raw material, tracing and analyzing quantitatively with gas chromatographic method and applying an improved method of urea inclusion,a thorough experimental research was performed on the technical conditions to separate and purify linolenic acid from Lithospermum erythrorhizon oil.

以中国东北地区产的紫草种籽为原料，气相色谱内标法进行跟踪定量分析，采用改进的尿素包合法，对从紫草种籽油中分离提纯亚麻酸的诸工艺条件进行了实验研究。

The studies on the developing of new media are very important to the increasing of the area density of HDD and to the implementation of hybrid recoding technology.

光磁混合记录方法，是一种可以突破超顺磁极限的限制，并进一步提高硬盘记录密度和读写速率的一种新型超高密度信息存储方式。

In io, mTOR inhibition promotes T cell anergy under conditions that would normally induce priming.

体内研究中，在正常可激发免疫反应的条件下，抑制mTOR可促使T细胞无能。