损伤过程,damage process
1)damage process损伤过程
1.Based on continuum damage mechanics, the deformation-damage process of a multilayer target impacted straight by a bullet is simulated with 3-dimensional numerical analysis and the basic equations are derived.基于连续损伤力学,对于子弹冲击多层板靶的变形─损伤过程以三维数值模拟作了理论研讨,给出了必要的基本方程。
2.In situ investigations on the laser induced damage of the infrared windows by photothermal displacement technique (PDT) were described by the studies on thedamage process of the Si window, Si window with half reflectancee protecting films and Si window with full reflectancee protecting films.利用光热偏转技术对红外窗口材料进行了激光损伤实时研究,通过对硅片、加半反保护膜的硅片和加全反保护膜的硅片的损伤过程的研究,发现介质保护膜能大大提高硅窗口的激光损伤阈值,同时发现了全反介质保护膜的激光损伤逐层的破坏过
英文短句/例句
1.Study on Nonlinear Punching Shear Damage Process Imitation of Thick Raft Foundation;厚板筏基础非线性冲切损伤过程模拟
2.Hemorrhoids can itch and bleed (usually bright red blood, during defacation).痔疮发痒、出血(在损伤过程中通常是鲜红的血)。
3.Numerical Simulation of Creep and Fatigue Damage for Interface Moving Graded Materials;移动界面异质材料的蠕变疲劳及损伤过程模拟
4.Contributions of Endothelin in the Process of the Noise-induced Injury of Cochlea;内皮素在噪声性耳蜗损伤过程中的作用
5.Synchronized Survey on the Thermal Dissipation and the Microscopic Structure during Fatigue Damage;疲劳损伤过程热耗散与微观形貌的同步测量
6.Impact of Kidney Schemia-Reperfusion Injury on Brain of Rats;大鼠肾缺血再灌注损伤过程对脑的影响
7.OPTIMAL IMPERFECT PREVENTIVE MAINTENANCE POLICIES FOR A CUMULATIVE DAMAGE MODEL;基于累积损伤过程的不完全预防维护决策
8.A Study of the Battlefield Damage Analysis Process for Vehicle Equipment Based on Damage Tree;基于损伤树的车辆装备战场损伤分析过程研究
9.DUCTILE DAMAGE ANALYSIS FOR FRACTURE IN SHEET METAL FORMING BASED ON GTN MESOSCOPIC DAMAGE MODEL基于GTN细观损伤模型的板料成形过程损伤分析
10.The process of wearing down or rubbing away by means of friction.磨损,磨耗破损的过程或是因摩擦而损伤
11.Protection against damage for conductors during laying and straining in a mountainous area山区放线、紧线过程中导线防损伤保护
12.Research on Creep Damage Model of P91 Steel;P91钢蠕变损伤全过程模型的研究
13.The Numerical Simulation of Mesoscopic Damage and Failure Process of Concrete;混凝土损伤破坏过程的细观数值模拟
14.The Dynamic Evolution Procession on Coal and Gas Burst煤与瓦斯突出动态损伤演化过程研究
15.Investigation on the damage-fractured process of single fractured rock单裂隙岩石损伤断裂过程的试验研究
16.Chemical injury of eyes may produce complicated pathology process,serious injuries,with difficulty in treatment and bad prognosis.眼的化学伤病理过程复杂、损伤重、治疗难、预后差。
17.The expression of α6β4 correlate with the injury and repair of myelin during EAN.α6β4表达变化与髓鞘的损伤和修复过程密切相关。
18.The Theory of Fiber Length Damage and Distribution in the Worsted Spinning Process;毛精纺加工过程中纤维长度损伤及其分布理论
相关短句/例句
damage-fracture process损伤-断裂过程
3)rock damage process岩石损伤过程
4)process of damage creation损伤建立过程
5)the same damage process同一损伤过程
1.The D ε curves ofthe same damage process in the tension of LY12CZ board specimen were analysed both individually and by contrast.分别从宏观与细观的角度定义了D(E)、D(A)和D(Ra)3个损伤变量,对LY12CZ铝合金薄板同一损伤过程的D-ε曲线进行了分析与对比。
6)damaging process of the earth crust地壳损伤过程
延伸阅读
正规过程和倒逆过程讨论完整晶体中声子-声子散射问题时,由于要求声子波矢为简约波矢(见布里渊区),所得到的总波矢守恒条件会相差一个倒易点阵矢量G)。例如对于三声子过程有下列条件 ,(1)式中q1和q2是散射前的声子简约波矢, q3为散射后声子波矢,式(1)中G)的取值应保证q3也是简约波矢。这时会出现两种过程,其一是当q1+q2在简约区内时,可以取倒易点阵矢量G)=0,式(1)则简化为总波矢守恒条件,称为正规过程或N过程。其二是当q1+q2超出简约区时,所取G)应保证q3仍落于简约区内,由于q3与q1+q2相差G),显然q3位于q1+q2的相反一侧,这时散射使声子传播方向发生了倒转,故称为倒逆过程或U过程。U过程总波矢不守恒,但总能量守恒,因为声子频率是倒易点阵的周期函数,而q3与q1+q2只相差一个倒易点阵矢量。N过程在低温长波声子的散射问题中起主要作用。当温度升高,简约区边界附近的声子有较多激发时,U过程变得十分显著,它对点阵热导有重要贡献。在能带电子与声子散射问题中存在着与式 (1)相仿的总波矢条件k+G=k┡±q,(2)式中k与k┡分别为散射前后电子的简约波矢,±号分别对应于吸收或发射q声子。类似的在热中子-声子散射以及晶体中一切波的相互作用过程中,总波矢变化都相差一个倒易点阵矢量G),因此也都有N与U过程之分。这是晶体和连续媒质不同之处,连续媒质对无穷小平移具有不变性,才能求得总波矢守恒,而晶体只具有对布喇菲点阵的平移不变性,因此总波矢守恒条件会相差一个倒易点阵矢量。