力学

In view of the background, an axisymmetric finite element electro-thermo-mechanical model is developed in this dissertation.

针对点焊理论研究和发展点焊实时质量控制的需要，本文建立了点焊熔核形成过程的轴对称有限元电热力学模型。

All results mentioned above make a solid infrastructure for Babbitt alloy to use in industries.

对改性巴氏合金的力学、摩擦学以及成型工艺和检测方法的研究，为该材料由实验室走向工业生产打下了坚实的基础。

The aim of this work is to present a multi-factor method for the analysis of sitting posture and the resulting interactions of the car driver body with the cushion and the backrest.

汽车驾驶员姿势的生物力学研究，对於车辆的人体工学设计过程有许多的参考方向。

The conclusion of paper conclude two parts:1. the hand of the Geological Character(1) Shandong conclude six research plots: the hard magma rock plot, the hard sediment rock plot, the plain and riverway alluvium-proluvial plot, the alluvium strand plain plot, the bajada plot and the mountain front sedentary plot.(2) The span of physical and mechanical index is effected by the character of stratum and geological zone. The normal value of physical and mechanical index is not even. The coefficient of variation of synthesis is bigger than the coefficient of laminate. The coefficient of variation is divided into three level: dry density

为获得满意的成果，主要进行以下研究内容：分析研究山东省的地形地貌特征、地层岩性特征、地质构造特征、地下水特征、地质灾害特征及第四系分布特征等，全面系统地了解了山东省的区域地质特征；将山东省划分为两个研究区和六个研究亚区，给出各个研究亚区的工程地质特征和典型地层柱状图；根据山东省已建高速公路的工程勘察资料，统计分析3957个样本点，得到各研究区典型地层的地基承载力取值范围和9个物理力学指标的标准值；利用ARCVIEW和

Carbon fiber-Reinforced Bakelite is widely used in aerospace, and its high pressure mechanical properties become the study hotspot in recently years.

碳酚醛材料在航空航天领域有着广泛的应用，其高压力学性能的研究逐渐受到人们的关注。

Pore pressure through earth mechanical systems : the force balanced physics of the earth's sedimentary crust / by Phil Holbrook.

贯穿地球力学系统的孔隙压力：地球沉积壳的力平衡物理学。

Research on aero-engine high-speed ball bearing has important significance.

研究高速滚动轴承的力学特性具有十分重要的意义。

The gap in the mechanical properties of different grades of parallel bamboo curtain laminated panel is big.

由于不同等级竹帘层压板的力学性质差异大，因此竹篾分级有利于适材适用，具有很大的必要性。

The accelerated ageing tests of the parallel bamboo curtain laminated panels of grade Ⅰ,Ⅲ and Ⅳ2 were carried out in accordance to ASTM

利用老化处理前的初始厚度计算力学性质，Ⅰ级、Ⅲ级、Ⅵ2级竹帘层压板的抗弯强度保留率分别为107％、72％和63％（都在50％以上）；抗弯弹性模量的保留率都在100％以上。

To give the definition of the mass concrete and to concrete\'s cracks together with practical meanings of control ,and give a brief review on the research in the field at home and abroad, at last, methods to control temperature crack of the mass concrete from several aspects such as design measures,concrets material, construction schedules.etc are summed up; To explain the physical mechanics of the concrete and computing methods-Difference Method and Finite Element Method, and illustrate the application of their specific methods repectively;Several temperature factors that can influence the temperature stress of mass concrete baseplate are analyzed. The influence degree of temperature factor can be got through the ANSYS simulation computation the control of temperature can control the temperature stress, consequently control the temperature crack of mass concert baseplate; through the influence of the crack resistance ability of mass concrete baseplate which takes the reinforcement as a part is analyzed. By ANSYS simulation, the best suited volume ratio of reinforcement is found out, at same time the layout of reinforcement with the same volume ratio can also affect the resistance ability of mass concrete baseplate. Sum up of above analysis, anti-crack function of steel bar in early mass concrete baseplate is obvious, so it\'s necessary to consider beneficial effect of construction steel bar in research of temperature control on mass concrete baseplate.

本文先容了大体积混凝土及混凝土裂缝的基本概念，对国内外在这个领域里的研究现状作了扼要叙述，并从结构设计、混凝土材质、施工措施等方面总结了大体积混凝土温度裂缝控制的方法及防止措施；阐述了混凝土的基本物理力学性能，总结了大体积混凝土温度计算的方法——差分法和有限元法，并分别举例说明其具体应用的方法；分析了影响大体积混凝土底板温度应力的几种温度因素，利用ANSYS模拟计算，得出了每种因素的影响程度，通过分析提出了在这几种温度影响因素下如何通过控制温度以达到控制温度应力从而来控制裂缝的具体建议；针对大体积混凝土基础底板中配筋的不同对混凝土底板抗裂能力的影响不同，利用ANSYS进行模拟分析，得出底板中最合适的体积配筋率，同时分析了在相同体积配筋率下钢筋的具体布置对大体积混凝土基础底板抗裂能力的影响，分析表明，配置钢筋对混凝土结构的开裂阻止作用明显，在研究大体积混凝土温度裂缝题目时，要考虑钢筋在其中的有利作用。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。