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This paper studies 35 examples by FEIS FEA PROGRAM written by author and proves that the rotational restraint of column base which exists in effect does not affect the intension of column root decide by the code and the method in the code is safe.

门式刚架轻型房屋钢结构技术规程》(CECS1 0 2 ：98)将简易柱脚视为铰接，本文用自行编制的有限元程序PFIS对 35个算例的验算证明了简易柱脚处实际存在的转动约束不会影响柱根处按惯例计算所得的强度，证明按现行规程进行设计是安全可靠的。

Then, the article derives finite element analysis equilibrium equation and element rigidity matrix in use of nonlinear finite element method.

然后运用非线性有限单元法推导了空间铰接杆单元的刚度矩阵和平衡方程。

This study first analyzes boundary condition of single column member and adopts relative joint bending stiffness ratio of AISC to find the effective length factor. For that a structural joint or connection is neither full rigid nor full hinge in practice, this study uses this concept to establish the semi-rigid joint model. This study then discusses the structural behaviors of tapered members results with those from and compares these previous studies.

本文先对於单一柱构件之边界条件进行分析，采用AISC规范求取有效长度系数之G值控制梁柱相对劲度，同时考虑一般实务上结构接合并非完全刚性或完全铰接，模拟介於两者间之半刚性接合，藉由模拟结果进一步探讨非均匀构架之结构行为，并与前人之研究相关成果比较。

Catenary single rib arch that carries vertical loadings and transverse wind loadings was analyzed in this paper, calculation formula of critical loading of lateral stability flexuosity by the energy principle.

本文通过对承受竖向均布荷载和横向风荷载的悬链线单肋无铰拱的分析，利用能量原理，建立了单肋拱的横向静风稳定屈曲临界荷载的计算公式。

Catenary assembled single rib arch that carries vertical loadings and was analyzed in this paper, calculation formula of critical loading of lateral stability flexuosity by the energy principle.

本文通过对承受竖向均布荷载的悬链线组拼无铰拱的分析，利用能量原理，建立了组拼拱的横向稳定屈曲临界荷载的计算公式。

The tribological properties of nanoparticles as oil additive were investigated with a four-ball tribometer.

在 四球试验机上考察了它们的摩擦学性能，发现季铰盐修饰(NH4)3PMo12O40纳米微粒在中低负荷下具有良好的抗磨性能和一定的减摩作用，可明显提高液体石蜡的承载力。

A simplified computed formula of a piezoelectric microgripper transmission organ′s transmission ratio and the angle of rotation is deduced according to the traditional method of the static equilibrium, geometric relation of mechanistic kinematics and flexible gemel.

以压电驱动式微夹钳为例进行微夹钳传动系分析，按传统的静力平衡和机构运动几何关系及柔性铰假设方法推导出其速比和转角简化计算公式。

Relative techniques are introduced, such as spherical gemel hoisting mechanism that made the active docking ring rotating in three-dimensional direction, intelligent gravity balance technique that could provide the force with high speed and precision to balance gravity and could automatically follow with the active docking r.

介绍了有关技术：主动环实现三轴转动的球铰吊装机构；能够高速度、高精度地提供重力平衡力，并能实现自动随主动环上、下运动的智能型重力平衡技术；保证平衡器随主动环随动的轮轨式二维平动技术，经轻量化设计，其摩擦阻力和惯性阻力很小，并对轮轨式方案进行了试验，当量摩擦系数仅为

Inaddition, it can be used in the geometrically nonlinear analysis of structures of mixed connection.

同时采用本文提出的的几何非线性分析力学模型和非线性分析方法还可实现刚接与铰接混合连接的空间杆系结构的几何非线性性能分析，且计算效率优于子结构法。

A link has a first end hingedly connected to the inside of the case, and a second end connected to the first guide rail and able to move in the direction of the first guide rail.

连杆具有铰接地连接到壳体内部的第一端和连接到第一导轨上并能够在第一导轨的方向上移动的第二端。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。