查询词典 under load

Refer to the especialness of distribution system,the dynamic performance of StatCom control system is explained under the condition of periodic greatly changed amplitude load.

作为无功补偿来讲，它主要用于输电和配电系统中。在配电系统中，采用就地补偿是比较普遍的一种方案。

Experiment result demonstrates that its surface isn't oxidized by contrast with the stainless steel at 1 000 ℃. Under the single pulse high voltage, the film shows feeblish discharging characteristic after the bombardment of the high energy microparticles at hundreds times. This can increase the voltage holding capability and reduce the dynamic load of pulse power.

实验证明：在高达 10 0 0℃的温度下，相比不锈钢材料，薄膜表面几乎不被氧化；在单次脉冲高压作用下和在经受数百次高能微粒子轰击后，仍呈现出弱放电特征，既提高了耐压能力，又降低了脉冲电源的动态负载

Secondly, the paper carries on the destruction processes and the stress distribution situation numerical simulation of the concrete three point bending specimen with bias crack under static load function,, and analyze specimen crack expansion and the destruction mechanism, obtain the reason that the crack expanding flectional way is because the material nonuniformity, in the same time, from the specimen destruction process chart we can see that the crack bias degree has some influence on the crack expansion way.

其次论文对含偏置裂纹的混凝土三点弯曲试件在静态载荷作用下的破坏过程和应力分布情况进行了数值模拟，并对试件的裂纹扩展和破坏机理进行了分析，得出裂纹扩展的曲折性是由于材料不均匀性所引起的，同时从试件的破坏过程图中可以看出，裂纹的偏置程度对裂纹的扩展路径有一定的影响。

According to the experimental data obtained, the variation of the HEER under different operational rate and different partial load was discussed.

通过对数码涡旋多联式空调系统的夏季运行状况进行的实验研究；分析了数码涡旋多联式空调系统的运行特点；采用小时能效比的概念对其能耗特性进行了评价，根据数码涡旋多联式空调系统的实测数据，考虑机组部分负荷特性和不同开机率条件，分析了系统小时能效比的变化规律。

Researching the static performance of angle-contact ball bearings in this paper, the load and deformation characteristics of the rolling bearing under axial and radial loads are studied by using the quasi-dynamic method on the basis of Hertzian contact theory.

研究角接触球轴承的静态性能时，本文主要在Hertz接触理论的基础上采用拟动力学方法，研究了轴向和径向载荷作用下滚动轴承的承载和变形特性，推导了轴承的轴向和径向刚度公式，并进行了实例计算。

Durability of CFRP and GFRP under aggressive environmental conditions such as wet dry cycles, freeze thaw cycles and hygrothermal aging either in an unstressed state or loaded in about 30% or 60% of the initial ultimate load are investigated.

结果表明了本文的CFRP有效搭接长度在荷载与恶劣环境(冻融循环、干湿交替和湿热)共同作用下可以满足耐久性要求。2。

The using instance of mould is complex, its always abated by abrasion, fatigue, or bad hot stability, and so on. To extend the longevity of mould, people try to use general heat treatment and other surface treatment, especially the gas nitriding, because of its inherent excellence, such as wearable、incohesive、co-fatigue、stand against permanence intensity and causticity under changeable load and so on, also the gas nitriding facility is cheapness, so the gas nitriding technics is abroad used.

为了提高模具的使用寿命，人们除了采用常规热处理外，各种表面强化技术也被广泛应用，特别是气体氮化工艺，因其能显著提高工件的耐磨性、抗擦伤性能、抗粘和性能、接触疲劳性能、冲击或交变载荷下的持久强度和耐腐蚀性能等，而且气体氮化工艺设备投资、生产成本低，更是被广泛关注。

Incurrent research, aiming at the rupture problem engendered in the shooting process of acertain 5.56mm automatic rifle, the strain and stress distributions on the cartridge caseunder the action of axial pull have been analyzed. Based on the theories of elastic-plasticmechanics and contact mechanics, a mathematic and physical model of the cartridge-caseand chamber system has been set up; and based on the platform of the general softwarepackage APDL of ANSYS for finite element analysis, a parameterized model of thecartridge-case and chamber system has also been established. The method for nonlinearFEA has been adopted to analyze the stress distribution on the entire cartridge-case andchamber system, and the method of contact element has been employed to investigate thecontact stress between the cartridge case and chamber, and then the influences of frictioncoefficient and locking space on the static and dynamic stress and strain response of thecartridge case and chamber to the action of power gas have also been discussed. On thebasis of a lot of numerical tests, a kind of element Plane13, which is concentrated incoupled computation of heat and construction, has been used finally to simulate thetransient response of the cartridge-case and chamber system to the power gas. Throughloading the temporary thermal characteristics of explosive gas in the procedure of emulate, the corresponding transient thermal stress distributed on the entire system under thecombined load of transient thermal stress and transient pressure has been obtained. Owingto these comprehensive considerations, the numerical results obtained in this paperrepresent the actual situations comparatively exactly.

本文针对某5.56mm自动步枪在工作中出现断壳的问题，分析了弹壳在轴向拉力作用下的应力应变；基于弹塑性力学及接触理论，建立了弹壳弹膛系统的数学、物理学模型，在通用有限元ANSYS软件的参数化建模工具APDL平台上，建立了弹壳弹膛系统的参数化模型；采用非线性有限元法计算了弹壳弹膛系统的整体应力，引入接触单元法分析弹壳和弹膛的接触压力，探讨了在不同的摩擦系数和不同的闭锁间隙对弹壳弹膛静、动态响应的影响；本文进行了大量的尝试，最后确定采用热、结构耦合单元Plane13，在计算中加载了火药气体的温度历程，成功的获得了弹壳弹膛系统在瞬态的热载荷和瞬态的压力载荷同时作用下弹壳弹膛系统的热应力数值解，考虑因素全面，比较真实的反映了弹壳弹膛系统在火药气体压力和热载荷下作用的情况。

This paper is aimed specifically at moisture damage issue of asphalt pavement, and the( axis-symmetric) finite element method is adopted to analyze the variations of interbedded pore water pressure of pavement under different load condition.

针对沥青路面水损害问题，运用轴对称有限元方法分析了不同等级轴载作用下沥青路面层间孔隙水压力的变化规律。

The analysis method is carries on the finite element grid division to X-STOP, under exerts the restraint and the load in above, calculates the restraining stress, thus judges this interspinal to open whether to have the obvious effect.

分析方法是对X-STOP进行有限元网格划分，在其上下面施加约束与载荷，计算出收敛应力从而判断此棘突间撑开器是否有明显功效。

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。