您要查找的是不是:
- rock damage model 岩石损伤模型
- Made ECs damage model induced by DS. 建立DS诱导的内皮细胞损伤模型。
- Optical fiber sensor is embeded in rock layer of model to find premonitory information of rock deformation and the process of rock damage with mining. 在模拟矿山开采引起的岩层运动时,将光纤传感器埋入模型的岩层中,研究采用光纤传感技术监测岩体变形的理论和技术。
- And with the introduction of the Modulus of Elasticity from Budiansky method, the general damage model of rock blasting is established in the paper. 引入了自洽法有效弹性模量,建立了爆破作用的岩石损伤的全过程模型。
- In rock mass, there exists rock damage expressing in the form of small opening, air-bubble, fracture, cleavage etc. 岩石中含有以孔隙、气泡、微观裂隙、节理面等形态表现出来的岩石损伤。
- The evolution regularity of microproe and constitutive relation of rock damage is discussed. 在此基础上,讨论了微空隙的扩展和演化率,以及损伤本构关系。
- Methods:We established an immunized mouse liver damage model through injection of BCG and LPS. 方法:采用BCG+LPS联合诱发小鼠免疫性肝损伤的方法复制动物模型。
- The existing damage model of concrete has a common defect, i , e, lacking of additivity. 目前所建立的砼损伤模型都有一个共同的不足之处即其所描述的损伤缺乏可加性。
- It is difficult to detect the absolute density of rock by CT image in quantitative analysis of rock damage process in compression. 用 CT图像定量分析岩石受力损伤破坏过程的难点 ,是难以知道岩石内部的绝对密度变化量。
- The Burch empirical damage model and Schonberg-Williamsen empirical hole size model are firstly reviewed in this paper. 穿孔孔径是研究弹丸超高速撞击下航天器舱壁撞击损伤的重要参数之一。
- From then, a general ductile damage model is proposed based on the micromechanism. 经计算结果与试验结果比较表明,模型可靠,可用于工程实 际。
- Based on the experiments of exploding on the surface of the cement sample, the phenomenon of the rock damage and fracture by shock waves in exploding was simulated. 摘要通过水中爆炸波对水泥试样的损伤破坏实验来模拟水力裂缝层内爆炸采油中激波使岩石损伤开裂的现象。
- Krajcinovic D,Fanella D.A micromechanical damage model for concrete [J].Eng Fract Mech ,1986(25):585596. 杨米加;贺永年.;岩体裂隙结构模型及其渗流规律研究[J]
- When adopting FEA to model, DFC could not only apply into incremental approach with a fully coupled elastic and plastic damage model, but to one step inverse approach. 利用有限元方法模拟时,韧性断裂准则既可以应用到完全耦合的弹塑性损伤模型的增量方法中,也可以应用到一步有限元逆算法中。
- The changes of calcium (Ca2+), calmodulin (CaM) and phosphodi-esterase (PDE) were tested in the brain damage model of newborn pigs hypoxic ischemic encephalopathy (HIE). 通过新生猪缺或缺血性脑损伤模型;检测了脑皮质组织钙、钙调素含量以及磷酸二脂酶活性的变化;探讨在缺氧缺血性脑损伤过程中以上三指标的改变.
- A dynamic module damage model was built to predict the dynamic strength and maximum dynamic module of the silty clay after every freeze thaw cycle. 建立了动模量损失模型,能够预测每一次冻融循环后的动强度和最大动模量。
- In view of the anisotropic damage characteristics of concrete under multiaxial stress state, an anisotropic elastoplastic damage model is presented. 针对混凝土多轴应力状态下各向异性损伤的特点,建立了各向异性弹塑性损伤模型。
- Based on the strain equivalent principle, anelastic-plastic damage model of steel fiber reinforced concrete is proposed. 根据钢纤维混凝土在反复荷载下的弹塑性变形规律,从应变等价性原理出发,提出了弹塑性损伤模型;
- Variable measurement of rock damage is the groundwork in study on damage mechanism of rocks and the key issue to bring the rock damage theory into practice in rock engineering. 岩石损伤变量的测定是岩石损伤力学分析研究的基础,岩石损伤理论付诸岩石工程实践必须解决岩石损伤检测的问题。
- INTERVENTIONS:Acute brain damage model of rats were made. Evans blue was injected into femoral vein to test the change of permeability of blood brain barrier in advance. 干预:制作大鼠急性脑损伤模型,创伤前从股静脉注入伊文氏蓝用于测定血脑屏障通透性的改变。