查询词典 mechanical

Due to reassembly and maintenance,the reliability model for mechanical equipment is broken,so it is necessary to research and estimate the safety reliability of mechanical system.

基于机电系统中零件的失效时间分布密度函数，研究了在重组维护过程中机电系统服役期间零件年龄结构的分布规律，发展了机电系统可靠性数学模型。

The data management of the mechanical product is a technology that manages all the information and the process of the relative mechanical product.

机械产品数据管理是一种管理所有与机械产品有关的信息和所有与机械产品相关过程的技术。

Rice moisture content can be controlled by use of different consistency salt and acidliquor,the method of preparing different moisture contents rice sample also be studied and adopted.Such as, temperature humidity preservation box used in testing mechanical physical properties ofrice kernel, tensile and bending experiment device which can be used on rice samples. Configureddark box, CCD photography, image-taking system, pre-experiment to forcast mechanical physicalproperty and moisture transfer property, from which we can know that distance of elastic modulusand passion ratio in tensile process test is not big when renitency strength is much larger thanresist-pull strength, tensile test can be replaced by bending test to research tensile property ofrice, because tensile test is hard to do, experiment research methods and feasibility werediscussed, and suitable humid stress field experiment research plan ere made.

研究、采用了合适的盐溶液及不同浓度的酸溶液调节稻米含水率、制取不同含水率稻米试样的方法；研制了测量稻米材料机械物理特性时使用的保温保湿箱、适用于稻米试件使用的拉伸和弯曲试验装置；配置了暗箱、CCD摄像机、竖直与水平摄像装置及计算机图像采集系统等；进行稻米机械物理特性和水分传递特性的各种预备试验，得到：稻米的抗拉强度远小于抗压强度而拉压时的弹性模量、泊松比相差不大，稻米籽粒的拉伸试验难度极大，成功率很低，可以用籽粒的弯曲试验代替拉伸试验研究籽粒材料的拉伸特性；探讨试验研究方法及其可行性，制定了合理的稻米湿应力场试验研究方案。

In high-voltage var compensation field, when switching the capacitor banks by mechanical switch, it is easy to bound when it closes and to restrike when it opens, and the mechanical switch can not be switched frequently. When switching the capacitor banks by electronic switch in series, it needs dynamic and static voltage sharing circuit and synchronous triggering circuit. It leads to complex structure and high cost.

为解决当前高压无功补偿领域采用常规机械开关投切电容器组开关合闸时触点弹跳产生过电压，分闸时易重燃及不可频繁操作，而采用串联固态电子开关需要相应的动、静态均压及同步触发电路导致系统结构复杂且成本较高的问题，提出一种基于新型高压投切开关的高压动态无功补偿装置。

He TGA curve shows that thermal decomposition temperature of 9518 resin is 260℃, EW220/9518 and SW220/95l8 composites have high mechanical properties at room temperature Compared the mechanical properties of EW220/9518 composites, its retentivity is more than 86% at 150℃.

GA曲线表明9518树脂的起始分解温度为260℃，EW220/9518和SW220/9518复合材料的力学性能良好，150℃下EW220/9518复合材料的力学性能保持率＞86%。

In this paper, research on domestic and foreign documentation about large-roots ecological protection and mechanical analysis slope, consider the Hubei Sui （Suizhou - Yue Expressway for the landscape design as the practical engineering background, and in view of the current domestic vegetation revetment mechanical effect of the gaps, make a series of discussions and research.

首先，在分析了生态护坡作用机理的基础上，从复合材料学角度将根系和土壤看作按照一定规律组成的复合材料，并用微观力学研究分析根土复合体的弹性常数和基本强度，探求根系和土壤两种材料的特性对复合材料特性的影响。

The relationship between torque and temperature was investigated with a rheometer and dynamic mechanical property was analyzed by dynamic mechanical thermal analysis.

用硫化仪考察了不同温度下材料转矩随时间的变化情况，并对材料的动态力学性能进行了分析。

In order to study the mechanical behavior of special joint at connection between stiff suspension cable and upper chord of truss beam for stiff suspension reinforced steel truss bridge, a 1:2 scale-down model test and three-dimensional finite element analysis of Dongjiang Bridge's special joint S25 were investigated in order to find the stresses distribution rule and mechanical property of the special joint.

为研究刚性悬索加劲钢桁梁桥刚性悬索与桁梁上弦杆的连接处特殊节点的力学行为，结合东莞市东江大桥，采用1：2的几何缩尺比例，对其特殊节点S25进行了模型试验研究，并进行了详细的空间有限元分析。

Scanner is in the mid-19th century only 80 of the optical-mechanical-electrical integration products, which scan head, control circuit and mechanical components.

扫描仪是19世纪80年代中期才出现的光机电一体化产品，它由扫描头、控制电路和机械部件组成。

The microstructure, mechanical properties and hardness of Mg-2% Mn-x%Y alloy were analyzed by optical microscope, mechanical apparatus and sclerometer.

用光学显微镜、力学万能试验机和显微硬度仪等分析了Mg-2% Mn-x% Y合金的显微组织和力学性能。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。