力学的

In this paper, the mechanical properties and microstructure of flash butt welding joint of the austentic manganese steel frog and the track steel had been researched by the metallographical examination, TEM, SEM and tensile, impact and hardness test. Its result has the very important practice meaning.

本文在查阅大量国内外文献的基础上，运用光镜、透射电镜和扫描电镜等金相试验手段和拉伸、冲击、显微硬度等力学性能试验，对高锰钢辙叉与钢轨闪光对焊接头的显微组织形态、硬度分布和力学性能进行了研究和分析。

In this paper, a series of polysiloxanes crosslinked by tetraethyl orthosilicate, polyurethanes crosslinked by trimethanol propane, and polyurethane/polysiloxane IPNs were synthesized at the existence of catalyst at room temperature.

本论文室温催化合成了聚硅氧烷、聚氨酯阻尼弹性体、以及一系列不同结构和组成比例的聚氨酯/聚硅氧烷IPN体系，分析了聚硅氧烷、聚氨酯和IPN的力学性能和动态力学性能。

The relationship between the Riemannian geometric framework of Lagrange equation and the topology graph representation of classic mechanical systems is discussed.

讨论了经典力学系统中拉格朗日方程的黎曼几何表示和力学系统拓扑图表示之间的关系，作为应用。

［Objective］To study the biomechanical stability of slidable pedicle screw system with the comparison of slidable pedicle screw system and universal pedicle screw system in intensity,rigidity and other biomechanical functions.［Method］Twelve spinal specimens of the pig were randomly divided into two groups and the schubweg on the vertebra of T12 were measured in different conditions.In the end the intensity and rigidity of two groups were compared which were computed by the schubweg.

［目的］对滑动椎弓根钉系统与通用椎弓根钉系统在脊柱侧凸固定强度、刚度和稳定性等方面进行生物力学比较，以测试滑动椎弓根螺钉内固定系统稳定性的生物力学性能［方法］采用12具猪新鲜脊柱标本，随机分成两组分别测量不同工况下T12椎体的位移，并计算其强度和刚度进行比较。

The paper study the effect of silicon AlSi9Cu3 on the mechanical properties and the machinbality of its diecasting thring mechnical property tests and drilling experiments aiming at acpuiring enough data to direct the materials desigin.

本文从材料的设计角度出发，通过力学性能实验和钻削性能实验，研究了硅含量对AlSi9Cu3合金力学性能和加工性能的影响。

A cure-dependent viscoelastic model was applied to describe the mechanical behavior of underfill.

采用与固化过程相关的粘弹性力学模型描述倒装焊底充胶的力学行为。

In this paper, aiming at the mechanics in the plastic forming process of bimetal composite pipes, the finiteelement analysis is introduced. And the parametric finiteelement mechanics model is established.

针对机械复合管塑性成型过程中的力学问题进行了有限元模拟研究，建立了模拟双金属复合管塑性成型的参数化有限元力学模型。

After graduation, he continued to work at the same institute, engaged in the research of shock wave propagation in solids, hyper-velocity impact and shock wave consolidation. He obtained PhD in applied mechanics from the University of Cambridge in 1998 with a thesis about constitutive relations and elastic waves for cellular solids modeled as a micropolar solid.

毕业后继续在力学所从事高温高压下固体中冲击波传播、高速冲击及爆炸冲击波压实金属粉末的机理研究。1998年获英国剑桥大学应用力学博士学位，论文研究胞状固体材料本构关系及微极材料中弹性波传播的问题。

Mechanical properties of homopolymerized and copolymerized polypropylenes were compared and effect of ultraviolet radiation on their mechanical properties, infrared spectrum and X-ray diffraction was studied.

对比了均聚级和共聚级聚丙烯的力学性能以及紫外辐照对其力学性能、红外光谱和X射线衍射的不同影响。

Taken from a 9 year old clonal test site were analyzed in order to investigate the genetic variation of wood properties, including air dried wood density and some mechanical properties.

结果表明，木材气干密度组成及力学性质在无性系间存在显著或极显著差异，并受到中等强度的遗传控制；气干密度的径向和纵向变异与多数研究结果一致；力学性质除抗弯弹性模量和端面硬度外其株内变异趋势也基本符合木材学理论。

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。