进行试验
- 与 进行试验 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
Based on mechanism and vehicle theories theoretical analysis is pursued and normal driving conditions are put forward. The relations are analyzed between load distribution and power consumption. Mechanical formula is proposed. Furthermore in this paper the theoretical model of the total power consumption is established, and the relations of the total minimized power consumption with the air-cushion pressure and the fan revolution are discussed. The optimum operation point is put forward. The dynamic digital simulation studies are carried out on the operating procedure of the half-track air-cushion vehicle on soft terrain. Mechanical parameters and soil mechanics characteristics affecting vehicle power consumption and riding performance are analyzed. At the same time according to the model formula, the automation control problem is discussed. It is a theoretical instruction for further automation control.
本文还从力学和车辆原理的角度进行了理论分析,推导了半履带式气垫车的需求功率及正常行驶条件,研究了气垫压力和功率消耗之间的关系,提出了力学模型公式;建立了半履带式气垫车总功率消耗的理论模型,研究了最小功率消耗时功率与垫压及表征气垫车行驶状态的各参数的关系,分析了相应的影响因素,并提出了最佳工作状态的定义;同时进行了半履带式气垫车在软地面的行驶过程的动态数字仿真试验研究工作,对影响车辆功率消耗和行驶平顺性的各力学参数和土壤参数进行了分析,得到了各运行状态参数的变化规律,验证了最佳工作状态和最佳垫压的理论,根据力学模型公式对进一步的自动控制问题进行了探讨,为系统的控制提供了理论指导。
-
Five novel torsion-mirror optical actuators including double-beam thickness differential structure with single torsional axis, double flexible folded-beam structure with single torsional axis, double-beam vertical torsion comb structure with single torsion axis, four-beam differential compound-micromirror structure with double torsional axis and the combined structure of the four basis forms above, are brought forward. All of these devices could be fabricated by the same silicon micromachining process we have developed. The deformation compensation design with local enhancement for the thin torsional beam which is the key structure of these devices is also put forward to improve the reliability. The three-dimension solid model and two-dimension reduced order model of the torsion-mirror optical actuator are established and then the numerical simulations for evaluating the device characteristics of the statics, dynamics, electrostatic field, mechanical and electrostatic coupling, fluid and solid coupling are carried out to optimize the structure design. Furthermore, three optical fibre clamping structures which could be integrated monolithicly are designed and analyzed to improve the optical coupling capability. 4. Three flexible process flows combined with bulk silicon micromachining and surface silicon micromachining are brought forward to fabricate these novel single-crystal silicon or polysilicon torsion-mirror optical actuators by using the same lithography masks for both SOI wafer and regular silicon wafer. A series of important process experiments are carried out to optimize the process parameters and the process flows. Some novel and typical process phenomena which occurred during the microfabrication are analyzed and then the corresponding solutions are put forward. 5. A MEMS dynamic testing system which exploit blur image synthetic technique, stroboscopic image matching technique, stroboscopic mirau microscopic interferometry technique and microscopic laser dopper vibrometer technique is set up to measure three-dimension and six-freedom micro motions of any MEMS devices with nanometer resolution.
在对硅微机械扭转镜光致动器的光机电特性系统地理论研究的基础上提出了硅微机械扭转镜光致动器的结构设计准则。3、提出了单轴双梁厚度差分结构、单轴双柔性折叠梁结构、单轴双梁垂直扭转梳齿结构、双轴四梁差动复合微镜结构以及以上四种基本结构组合后的衍生结构等五种工艺加工技术兼容的新型的硅微机械扭转镜光致动器,对器件关键结构薄厚度、高耐疲劳扭转梁进行了局部加强的变形补偿设计,建立了器件的三维实体模型以及两维降阶模型,对提出的新结构硅微机械扭转镜光致动器进行了系统的静力学、动力学、静电场、力电耦合和流体固体耦合的建模仿真与优化设计,同时设计并分析了三种可实现单芯片集成的弹性光纤定位夹紧结构。4、提出了组合体硅微加工技术与表面硅微加工技术、兼容同一套光刻版图、可分别基于SOI 晶片和普通Si 晶片、适应于制造提出的各种新结构单晶硅和多晶硅硅微机械扭转镜光致动器的三套柔性加工工艺流程,开展了一系列重要工艺步骤的单项工艺试验,对工艺流程与工艺参数进行了优化,针对加工过程中出现的具有普遍意义的典型工艺问题进行了讨论和分析,并提出了解决方法。5、创新性地将模糊图像合成技术、频闪图像匹配技术、频闪Mirau 显微干涉技术与显微激光多普勒测振技术有机结合,建立起了一套周期运动测量与瞬态运动测量相结合、单点运动测量与全视场运动测量相结合、满足不同MEMS 器件各种动态测试要求的集成的MEMS 三维六自由度微运动精密测量系统。
-
Methods 100 patients with CSA and 100 people in the control group were examined by TCD,the change of blood flow of cerebrovascular (such as the velocity of blood flow, the form of spectrum, the souffle of blood flow) was analyzed.
应用TCD对100例CSA患者和100例对照组进行脑血流动力学进行检测,再对TCD检测正常的CSA患者和对照组进行TCD转颈试验,并将检测结果进行分析。
-
In this paper, the 3-D finite element relocating mesh method is used to calculate the temperature field and the thermal creep stress field of spillway dam and mid level outlet dam in certain roller compacted concrete gravity dam, sensitivity analysis have been down with different parameters, such as placing temperature, the location of cooling pipe, cooling temperature, time for water supply, ascended-layer of concrete, intermissive time and different placing time, and the commendatory construction scheme have been put forward in such analysis; according by the test result on the two scheme of concrete aggregate combination (basalt as coarse aggregate and limestone as fine aggregate, basalt as coarse aggregate and basalt as fine aggregate), simulation analysis on temperature field and thermal creep stress field of the commendatory construction scheme have been down, and analysis have also been down on temperature field and thermal stress field of the two different aggregate combination, the result indicates that the spillway dam and mid level outlet dam which adopted these two aggregate combination can both satisfy the require of design crack resistance in concrete, furthermore limestone as fine is better than basalt as fine aggregate; the effect of summer water storage and winter water storage on the temperature field and thermal stress field have been analyzed, comparing with winter water storage, in summer water storage scheme the maximum tensile stress at abnormal concrete in upstream fill is decreased by 0.1~0.3MPa and there are no evidence change of the maximum tensile stress at other parts, which indicate that summer water storage is avail for the crack resistance of upstream fill; according to the simulation calculating result and comparing temperature simulation calculating results and temperature controlling measures of some similarity projects both completed and construction, synthesis appraise have been carried to the design temperature controlling measures of dam, and the temperature controlling measures of this project have been brought forward, all these have great reference value on the design of temperature controlling measures and the optimization of the construction scheme.
本文采用三维有限元浮动网格法仿真计算程序,对某碾压混凝土重力坝的溢流坝段和中孔坝段分别进行了三维有限元温度场和温度徐变应力仿真计算分析,对浇筑温度、冷却水管的布置方式、冷却水温、通水时间、浇筑升程和间歇时间、不同开始浇筑日期等参数进行了敏感性分析,在此基础上提出了推荐的施工方案;根据两种骨料方案(玄武岩粗骨料+灰岩细骨料方案;玄武岩粗骨料+玄武岩细骨料方案)的混凝土性能试验研究成果,对推荐的施工方案进行了温度场和温度徐变应力仿真计算,并对比分析了两种不同骨料情况下的温度场和温度应力,结果表明溢流坝段及中孔坝段采用上述两种骨料均能满足混凝土的抗裂设计要求,且灰岩细骨料优于玄武岩细骨料;计算分析了夏季蓄水和冬季蓄水对坝体温度场和温度应力的影响,夏季蓄水方案与冬季蓄水方案相比,坝体上游变态混凝土区域最大拉应力小0.1~0.3MPa,其他部位最大拉应力无明显变化,夏季蓄水对坝体上游面混凝土的抗裂有利;根据仿真计算成果并通过比较国内一些已建和在建的类似工程的温度仿真计算成果及采取的温控措施,对大坝的设计温控措施进行了综合评价,并提出了该工程的温控措施,对温控设计和优化施工方案具有重要参考价值。
-
Then detailedly introduces the principle of pole-changing modulating speed and design feature in times pole proportion and non times pole proportion in the Mixed pole-changing simplex winding multispeed asynchronous motor , carry on discuss to the main parts of electrical machinery electromagnetism computation; by using VISUAL BASIC under WINDOWS platform for computer-aided design method for the mixed pole-changing simplex winding multispeed asynchronous machine, carries on profound analysis for the computer-aided design in the following aspect such as rotor and setting flush piece size, groove shape size, the rotor and setting winding connection, and start performance.
本文在介绍了单绕组多速电动机的概况,阐述了目前多速电机的发展现状与前景;利用槽号相位图以及混相原理对变极绕组进行了研究,确定了绕组的混相方案;并详细地介绍了混相变极单绕组多速电机在倍极比与非倍极比时的变极调速原理以及设计特点;对电机电磁计算的主要几个部分进行了讨论;介绍了使用WINDOWS平台下的VISUAL BASIC对混相变极单绕组多速异步电机的计算机辅助设计方法,对混相变极单绕组多速异步电机的定转子冲片尺寸、槽形尺寸、定转子绕组接法、定转子相带、起动性能的几个方面的计算机辅助计算进行了深刻分析;最后,对混相变极单绕组多速异步电机的样机检测试验结果进行了分析。
-
And do the slagging characteristic research on CWS used in Test.
通过多种结渣预测模型,对所使用的注汽锅炉所用的水煤浆及其灰渣,进行了结渣特性进行了研究;对锅炉改造和所用的燃烧器的进行了系统的试验和计算,对炉内的飞灰轨迹进行了模拟以研究炉内可能产生的积灰与结渣。
-
One hour later, the nuclear protein of the monocytes was extracted for electrophoretic mobility shift assay and the monocyte coverslips were collected for immunofluorescence staining for nf κb p65 subunit.
提取核蛋白进行nf κb的电泳移动迁移率改变试验;提取rna进行inos的rt pcr;提取总蛋白进行inos的western blotting;并留细胞爬片进行p65亚基的免疫荧光检测和inos的免疫酶学检测。
-
GEHP has much predominance that the traditional EHP hasn't: Firstly, gas is a clean resource and GEHP has much superiority in environmental protection ; Secondly, avoiding the process of the electrical generation in power plant and its transmission to the end, GEHP has higher PER than EHP; Thirdly, GEHP system avoids the "cold blow" associated with EHP by recovering and using waste heat from engine jacket coolant and exhaust; Finally, the engine speed can be easily adjusted to match varying heating and cooling loads and get higher IPLV A GEHP system is designed in this paper, on the basis of which an experiment table has been built to test the system performance.
本文对系统流程进行了设计,对装置各个部件进行了选型和计算,对使用燃气作为空调能源的可行性进行了评价,并且在此基础上搭建了一个用于实验分析的试验装置,对系统性能参数、变转速部分负荷特性、发动机余热回收性能进行了理论分析和实验研究。
-
This article first introduces the surveys of marine monitoring buoy, elaborates many kinds of form in buoy mooring, then illustrates the tighten elastic mooring technology, analyses the requirement of material choice and technical specification in each part of the buoy. It also demonstrates the concrete technology in attachment devices and proves the usage of tighten elastic mooring technology in this project.
文中首先介绍了海洋监测浮标的概况,论述了浮标锚系的多种形式,然后对绷紧式弹性系留技术进行了阐述;分析了材料的选择要求、部件的技术指标;对接头装置的具体技术进行了论述;作为一种锚泊手段,对绷紧式弹性系留技术在小浮标中的应用进行了相关论述;最后对研制过程中的相关试验进行了阐述。
-
The study on drilling collar screw-stick,analysis of drilling collar screw thread and test of material and thread parameter have been done.
对钻铤粘螺纹事故进行了调查研究,并进行了宏观形貌和材质分析;对新钻铤材质和螺纹参数进行了检验,并采用不同旋螺纹扭矩对新钻铤试样进行了上卸螺纹试验。
- 推荐网络例句
-
It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.
从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。
-
The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.
集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐
-
The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.
血精的原因很,以良性病变为主。