力学的

PP was taking as basic material,and blended with ethylene propylene rubberby means of melt blending to prepare easy openable infusion bottle-cover materials,in which a certain amount of LDPE and plasticizer was added to improve the compatibility and mechanical properties of the blend.

以聚丙烯为基材，与二元乙丙橡胶用熔融共混的方法，制备易开启式输液瓶外盖用料，并加入一定量的低密度聚乙烯和增塑剂以改善体系相容性和力学性能，讨论了增塑剂邻苯二甲酸二辛酯、乙酰柠檬酸三正丁酯及丙三醇对共混体系力学性能的影响。

Based on the lab orthogonal tests,using self-manufactured constant head permeameter,the effect of gravel content,void ratio and particle shape on the coefficient of permeability of soil-rock-mixture was studied.

渗透同强度和变形特性一起，都是土力学中所研究的主要力学性质，在土木工程的各个领域中都有重要的作用[3]。

Assuming that the plastic deformation ofmaterial can be given by the internal states of material and theirevolution laws, a principal fibre bundle structure and the correspondentrelationships between the geometrical characterization and themechanical properties of the structure are obtained.

以连续介质力学内变量理论为基础，建立了一个以材料内部微结构变量为底流形，材料外部变形状态为对应纤维的材料状态纤维丛模型，使材料的力学特性与模型的几何性质自然对应起来。

The recompression phenomena have been found in the particle velocity histories of alumina specimens while the impact pressure between 7GPa-8GPa. From the point of view of phenomena, the recompression signals in terms of free surface particle velocity occurring in alumina ceramics under shock-loaded were similar to those in glass where failure wave has been widely verified.(4)The modified form for the Hugoniot Elastic Limit was given associated with

得到了A95陶瓷采用Drucker-Prager准则修正公式计算的σHEL值，并与实验得到的σHEL值进行了比较；(5)采用ANSYS/LS-DYNA有限元分析软件对冲击压缩下氧化铝陶瓷动态力学性能进行了模拟分析，数值模拟结果与实验结果吻合较好，数值模拟结果表明JH-2材料模型能够较好地模拟陶瓷的物理力学性能。

The welding parts of of small diameter tube of reheater in a thermo - electric factory were calculated by finite element methods.

结合某电厂锅炉再热器集箱小径管的焊口，将实际问题理想化为符合实际的力学模型，分析了采用有限元法来求解该力学模型的必要性。

He TGA curve shows that thermal decomposition temperature of 9518 resin is 260℃, EW220/9518 and SW220/95l8 composites have high mechanical properties at room temperature Compared the mechanical properties of EW220/9518 composites, its retentivity is more than 86% at 150℃.

GA曲线表明9518树脂的起始分解温度为260℃，EW220/9518和SW220/9518复合材料的力学性能良好，150℃下EW220/9518复合材料的力学性能保持率＞86%。

Combining mechanics theory of yield and fracture of ductile metal in classical strength theory with microcosmic fracture mechanics,and by studying fracture stress field in root of notched bar made of constructional steel,the author brought forward loci equation of constructional steel in stress triaxiality space.

结合古典强度理论和微观断裂力学对金属屈服和断裂解释的力学原理，通过对结构钢深槽刻痕杆刻痕根部微观断裂应力场的数值模拟，导出了结构钢在应力三轴空间的屈服轨迹方程。

Summarizing results show that study on the experiments and simulation of mechanical behaviors of carbon nanotubes is testing and simulating about its parameters, such as Young's modulus, shearing strength and tensile strength, the advantage...

综述结果表明：碳纳米管力学行为的试验与仿真研究主要表现在采用不同的试验方法与势函数对其弹性模量、抗剪强度、抗拉强度等参数进行测试与计算仿真，分析了这些方法用于研究碳纳米管力学行为的优缺点。

It indicates that singular solution exists in solving problems of elasticity, which is inconsistent to the theorem of uniqueness of solution.

结果表明，在弹性力学问题中存在奇异解的情况，这与弹性力学解的唯一性定理是不一致的。

The effect of bimoment and ratio of slenderness is considered in thegeometrical stiffness matrix.

根据线弹性统一分析力学模型，提出了相应的几何非线性分析力学模型，导出了考虑杆件双力矩贡献的几何刚度矩阵，并在几何刚度矩阵中引入了杆件长细比的影响项。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。