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- Keywords Damage variable;Macro mesoscopic;Acoustoelastic method; 损伤变量;宏观;细观;超声波;
- Two parameters describing the damage variable can be determined according to the tri-axial tests of rocks. 根据岩石三轴试验，可确定该模型中表述损伤变量的双参数。
- The relationship between damage variable D(K_1 ) and number of fatigue cycles (N) can be used to detect fatigue damage and to divine fatigue life tbr metal materials. 利用损伤变量D(K_1)和循环次数N的关系曲线,可以对材料进行疲劳损伤检测并对其疲劳寿命进行预测。
- Introducing the time-dependent damage variable into the constitutive equations of the crack zone, we modified the Dugdale model of crack damage zone around crack-tip. 对裂尖银纹损伤区的Dugdale模型进行了修正，将时间、位置、应变相关的损伤变量引入到银纹区的本构方程中。
- According to basic damage principle, the shear damage variable of rock and the pull damage variable of grout body are defined, and the damage evolution equation is suggested. 摘要根据损伤理论的基本原理，分别定义了岩体剪切损伤变量和受拉浆体材料的损伤变量，确定了各自相应的损伤演化方程；
- Lastly, defined the damage variable about damage area and obtained the relation between damage variable and damage deviatoric stress which correspond exactly to the damage propagation characteristics. 结合损伤理论定义了以损伤面积作为损伤因子的损伤变量，损伤变量与偏应力间的曲线关系符合岩石损伤演化特性。
- Keywords Recycled Fiber;Hornification;Damage Mechanism;Damage Variable; 关键词回用;二次纤维;角质化;损伤力学;损伤变量;
- Keywords Damage Poisoning Pareto Chart Analysis; 损伤;中毒;帕累托图;分析;
- The damage factors suitable for recycled fiber damage were defined elementally, with which evolvement rules of paper strength with damage variables were studied. 最后本文引入了损伤力学理论，初步定义了适合二次纤维损伤的损伤变量，研究了纸页强度性能随损伤变量的演化规律；
- Keywords damage;viscoplasticity;constitutive equation;yield; 损伤;粘塑性;本构;屈服;
- Keywords Damage mechanics;Rock fracture;Damage factor;Intactness; 损伤力学;岩石破碎;损伤因子;完整度;
- The relations and differences of the existing various definitions of damage (single scalar, double scalar, second rank and fourth rank tensor damage variables) are expounded for the first time. 首次阐明了材料损伤度的多种定义（损伤的单标量、双标量、二阶张量与四阶张量描述）之间的区别与联系。
- Keywords Damaged axon;Axon regeneration;Glial scar; 损伤轴突;轴突再生;胶质瘢痕;
- Problems in the Definition of Blasting Damage Variable and Their Discussions 有关爆破损伤变量定义中存在的问题及探讨
- Dynamic Damage and Failure Mechanism of Rock and Its Damage Variable 岩石动态损伤断裂机理与损伤变量
- Keywords damage;plasticity;constitutive model;stress triaxiality;concrete; 损伤;塑性;本构模型;应力三轴比;混凝土;
- Keywords Rock mass containing multi-cracks;Damage variable;Stress intensity factor;Free energy function;Plastic multiplicator;Damage multiplicator;Elastic-plastic coupled with damage; 裂隙岩体;损伤变量;应力强度因子;自由能函数;塑性乘子;损伤乘子;弹塑性损伤耦合;
- Keywords damage,fracture,cleavagerupture, Gurson-Tvergaard-Needleman model stress, triaxiality, strain; 损伤;断裂;解理断裂;G-T-N模型;应力;应力三轴度;应变;
- Keywords damage control surgery;abdominal injuries;acidesis;hypothermia;coagulopathy; 损伤控制外科;腹部外伤;酸中毒;低温;凝血障碍;
- Keywords: GPRS; GPS; GIS; Protocol; Design?? 关键词：通用分组无线业务；全球定位系统；地理信息系统；协议；设计??
