力学的

Objective To explore the effect of hip surface replacement on the mechanical characteristics of proximal femur.

目的 探讨股骨头表面置换术对股骨近段生物力学性能的影响。

The influence of CO2 on the reaction is less significant than that of other traditional ferrochrome shift catalysts, which, very possibly, results from the diffusion or the behavior of Cu in this catalyst.

从动力学方程可以得出该高温变换催化剂内扩散影响严重；该催化剂上CO2组分对反应速率的影响与其它铁系变换催化剂相比变小。

In this paper, the strengthen mechanism of fiber chop was firstly analyzed based on stress transfer theory, fiber space theory and composite mechanism of fiber reinforced polymer concrete was studied, an then the mechanical properties of the polymer concrete was studied, which was mixed with Durafiber.

本文首先应用应力传递理论、纤维间距理论和复合材料机理对短纤维增强树脂混凝土的增强机理进行了初步分析；然后，在呋喃树脂混凝土中加入杜拉纤维，对其力学性能进行了研究。

Additionally, the products have excellent physical and mechanical properties after being overlaid with thin fiberboard or plywood.

然而该产品一经覆面，却具有优良的物理、力学性能和抗冲击性能。

Small samples of medium density fiberboard were treated at various temperatures and durations in a dry oven.

对市场随机购买的中密度纤维板进行热处理，以期改善其力学性质。

Experimental results show that effect of surface state of filler on dynamic mechanical properties of composites is very great.

研究结果表明，填料表面状态对复合材料的动态力学性能影响很大。

The three fail form of scoring,fillister and corrosion for 127 mm(5) S135 drill rod joint ,corrosion rate and corrosion production have been researched by means of analysis of chemical composition and microstructure,testing of mechanical property.

通过化学成分分析、力学性能测试、组织结构分析和高温高压模拟试验，对127 mm(5)S135钻杆接头内壁出现划痕、凹槽和腐蚀三种失效形式，钻杆的腐蚀速率和腐蚀产物进行分析研究。

The finite element model of base plate is used in modal analysis and transient dynamic analysis by means of the elasticity finite element method.

同时运用弹性力学有限元法对座钣建立的有限元模型进行模态分析和瞬态动力学分析。

This paper's research object is the whole drillstring and it builds nonlinear equations of the tangent drillstring by the finite element method on the base of the built drillstring mechnics model.

本文以整体钻柱为研究对象，根据所确立的钻柱力学模型，用有限元方法建立了钻柱接触非线性方程组。

The mathematics model of three-dimension temperature field of the machine tool spindle system is created, and based on elastic mechanics, basic equation of heat deformation and finite element theory, the mathematics model of heat deformation is built.

建立了机床主轴系统三维温度场数学模型，并基于弹性力学、热变形基本方程和有限元理论建立了热变形的数学模型。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。