The semileptonic decays of τ→μM(M=π0,η,η′)could be sensitive probes for new physics scenarios with lepton flavor violation(LFV).
在这个新物理方案中,轻子味破坏(LFV)耦合在树图水平存在。
The tensile strength of the bonded plate was measured,the crack propagation,the interface disbond between the patch and the plate,and the residual tensile strength of the bonded plates were also investigated.
结果表明,复合材料补片胶接修补能有效地提高裂纹板的破坏强度和刚度,降低裂纹板的疲劳裂纹扩展速率,提高其疲劳寿命。
The effectiveness of the repair scheme,including the tensile strength,the fatigue life and the crack progress during fatigue was investigated experimentally.
利用热压成型工艺、采用预固化的单向碳纤维/环氧复合材料补片对铝合金裂纹板进行了修补,测试了裂纹板胶接修补前后的破坏强度、疲劳寿命及裂纹扩展情况,观察了破坏后的断口形貌,分析了复合材料补片的止裂机理。
The effectiveness of the repair scheme, including the tensile strength, the fatigue life and the crack progress during fatigue was investigated experimentally.
利用热压成型工艺、采用预固化的单向碳纤维／环氧复合材料补片对铝合金裂纹板进行了修补,测试了裂纹板胶接修补前后的破坏强度、疲劳寿命及裂纹扩展情况,观察了破坏后的断口形貌,分析了复合材料补片的止裂机理。
The paper combined with the example of the 3629 working face in Zhuzhuang Coal mine,resolve the damage depth,the transferring character of the stress and the utmost pressure of water invasion in the floor of the water.
结合朱庄煤矿3629工作面实例,利用理论分析、相似材料模拟研究方法探讨了高承压水体上开采底板变形规律,解析煤层底板隔水层在采动矿压及底板含水层水压的复合作用下的破坏深度、应力传播特征、底板突水极限压力,并将解析解应用于朱庄煤矿3629工作面底板突水预测的实际工程中,取得较好的实际应用效果。
The relations between the damage depth or damage width and the initial pressure,the velocity,the angle incidence of drips,the thickness of target are shown by curves,and the physical mechanism is explained.
Dytran中的具有强度的多材料欧拉网格模拟水滴和有限长连续射流对靶板(岩石)的高速冲击作用,研究了靶板破坏深度、破坏宽度与水滴初压力、速度、入射方向、板厚以及连续射流的密度等的关系及其物理意义。
Dytran The relations between the damage depth or damage width and the initial pressure,velocity,the incident angle of bubbles and drips,and the thickness of target,are presented in curves,and the physical mechanism is discussed.
Dytram软件中的具有强度的多材料欧拉网格模拟了高速运动气泡对靶板(岩石)的冲击过程,研究了靶板破坏深度、破坏宽度与气泡初始压力、速度以及入射方向等的关系,试图指出这些关系的物理意义并分析射流破岩机理。
Coal floor strata failure depth test of working face at big mining depth
大采深工作面煤层底板采动破坏深度测试
Adopting the method of similar material simulation,simulating the distribution and the displacement characteristics of coal seam floor stress in mining,the authors introduced the study of failure regularity and failure depth of coal seam floor.
为研究煤层底板采动破坏规律,以邯邢地区9号煤层为原型,采用室内相似材料模拟技术,对煤层开采过程中煤层底板的应力分布、位移、破坏规律及破坏深度进行模拟和观测研究。
The sample height,water content,stress-strain behavior,failure strength,elastic modulus,cohesion and internal friction angle were measured in unfrozen soil as well as in thawed soil.
为研究冻融循环作用对土物理力学性质的影响,以青藏粘土为研究对象,通过对室内制备的粘土试样在经历0～21次完整冻融循环过程后,进行不同围压下三轴压缩试验,研究经多次冻融作用后,高度、试样含水量、应力–应变行为、破坏强度、弹性模量、抗剪强度指标等物理力学性质的变化。
The tensile failure strength is found to be in good agreement with the experimental results.
采用有限子层剪滞模型,并结合线弹性断裂力学,研究了带裂缝钢纤维混凝土试样的拉伸破坏问题,求得了与实验结果较吻合的拉伸破坏强度,证实了该分析方法的正确性和可靠性,可为钢纤维混凝土的破坏分析提供一种新的研究途径。
Mechanical behaviors such as deformation,stress distribution and failure strength are analyzed.
应用连续介质力学有限变形基本理论和超弹性理论,建立钢丝编织胶管的多层圆筒模型,得到了胶管变形和应力分布与内压的关系,分析了胶管的变形、应力分布和破坏强度等力学性能,并且讨论了钢丝层的弹性模量、胶管的轴向伸长等材料或几何因素对其变形、应力分布和破坏强度的影响。
Mechanical Behavior and Failure Strength of Fiber Braided High Pressure Rubber Hoses
钢丝编织高压胶管的力学性能及破坏强度
Macro- and Micro-mechanics Strength Analysis of Composite Structures;
复合材料结构宏、细观强度破坏分析
Progressive Collapse Analysis of Ship Hulls under Longitudinal Bending;
逐步破坏法计算船体梁总纵极限强度
Composite Laminates with Centric Hole in Static Strength;
含孔复合材料层合板的静强度破坏分析研究
Investigation of Inclusions on Micro Fracture Mechanisms of High Strengthened Steels;
夹杂物对超高强度钢微观破坏机制的研究
The Analysis to Intensity Breakage of Damping Spring in Train Carriage Pedestal;
火车车箱底座减振弹簧的强度破坏分析
Strength prediction for rock mass based on Barton-Bandis nonlinear failure criterion
基于Barton-Bandis非线性破坏准则的岩体强度预测
Study on the deformation,failure and strength of sandstone with various declined bedding
层理倾角不同的砂岩变形破坏和强度的研究
Research on the Dynamic Strength Failure of Large-span Steel Arch Truss under Severe Earthquakes
强震作用下大跨度拱形立体桁架结构动力强度破坏研究
STRENGTH AND FAILURE CRITERION OF PLAIN HIGH-STRENGTH HIGH-PERFORMANCE CONCRETE UNDER BIAXIAL COMPRESSION SURVIVING HIGH TEMPERATURES
高温后高强高性能混凝土双轴压强度规律与破坏准则
Plain bearings-Metallic multilayer plain bearings-Destructive testing of bond for bearing metals
GB/T12948-1991滑动轴承双金属结合强度破坏性试验方法
Shipbuilding--toughened safety glass panes for ships' side scuttles and ships rectangular windows--punch method of non-destructive strength testing
GB/T3385-1982船用舷窗和矩形窗钢化安全玻璃非破坏性强度试验冲压法
Embedded columns can increase shear strength as well as control of displacement and failure.
配以暗框边柱能提高剪力墙的抗剪强度、位移控制和破坏控制能力。
Microcosmic Numerical Reaserch on the Failure Mode and Strength Property of Intermittent Jointed Rock Mass;
非贯通裂隙岩体破坏模式与强度特性细观数值试验研究
Elastoplastic Seismic Response and Strength Fracture Anaysis of Space Lattice Structures under Multi-Support Excitation;
多点输入下大跨空间网格结构弹塑性地震响应及强度破坏分析
Bioeffects of canine myocardium under microbubble destruction via diversity of ultrasonic intension
不同强度超声破坏微泡对犬心肌组织的生物学效应
Determination of the Shear Strength Parameters of Rock Mass Based on Nonlinear Failure Criterion
基于非线性破坏准则的岩体剪切强度参数确定方法
Change of soil erosion intensity during the course of plant destruction and plant reconstruction in the Loess Plateau
黄土高原植被破坏与重建过程中土壤侵蚀强度变化