基本单元

The theory of geometrical non-linear finite element method is researched, which includes equilibrium equation, Lagrange formulation, assembled equations and tangent stiflhess matrix.

中文摘要：本文从大变形的基本理论出发，对几何非线性有限单元法的平衡方程、Lagrange格式、求解方程以及切线刚度矩阵进行了研究。

Use the grid, re-size and snap them into position – select shapes that match the underlying colour for best results.

使用grid ，重新大小和单元成立场-选择形状相匹配的基本颜色为最好的结果。

The tissue pattern can also change into relevant heddle pattern and weaving pattern through tissue disintegration.

组织设计还具有扩展功能，实现基本组织单元的拷贝、延拓等。

Chapter 4 puts up the basic theory of non-linear finite element calculation methods and deduces calculation iterative formula and relevant accelerating iterative format. In the calculation of non-linear finite element, yielding element calculation is a difficult problem,"fictitious elastic stress" methods propounded in this paper puts the axe in the helve.

第四章提出了非线性随机有限元法的基本理论，并推导了计算迭代公式，为加快计算速度，提出了相应的加速迭代格式，对于基于非线性随机有限元的可靠度计算中，屈服单元的计算方法是一个难题，本文提出了"虚拟弹性应力"法，较好的解决这个难点。

In the design of automatic control system for isomerization unit from heptane tower of PX devices, single-loop control is used in the control programme. There is a total of 11 circuit , of which is 8 single-loop control system and 3 cascade control system. It has done the choice and relevant calculation on the controller, control valves and measurement devices used in the control system. There is a total of eight chapters in this design.

在对PX装置异构化单元脱庚烷塔自动控制系统进行设计时，控制方案基本采用单回路控制，总共有11个设计回路，其中单回路控制系统8个，串级控制系统3个，并对控制系统所要用到的控制器，控制阀和测量元件等进行了选择且进行了相关的计算。

Natural rubber which is cis 1,4 - polyisoprene is composed of isopentenyl pyrophosphate In Hevea brasiliensis.

巴西橡胶树中的天然橡胶是顺式-1，4-聚异戊二烯（cis-1，4-polyisoprene），其基本组成单元是异戊烯基焦磷酸(isopentenyl diphosphate ，IPP)。

The basic hexahedral module can be deployed and stowed with the motion of the spring in the diagonal stretchy member, so is the whole structure.

该抛物面天线的基本组成单元是六棱柱，其展开驱动力主要依靠对角杆件中的拉伸弹簧。

Logic statistical analysis predictive model is established, and through homogeneous meshing, the space quantitative evaluation on landslide susceptivity is realized.

根据计算的单元格滑坡发生概率值，将雨城区滑坡危险性划分为 5个等级，即极不稳定、不稳定、潜在不稳定、基本稳定和稳定。

Assisting with the main requirement to nanoindentation test, the mechanism of precision loading device was designed and analyzed, and the scheme to realize nanoindentation test of diamond indenter under the help of hybrid process of piezoelectric stack and flexure hinges was established. The force signal of nanoindentation was measured via flexure hinge based on Hooke's law.

结合纳米压痕测试的基本要求，对精密加载装置进行了结构设计分析，建立了以压电叠堆推动柔性铰链推进单晶金刚石工具头实现压痕测试的方案，依据胡克定律利用柔性铰链敏感单元实现对压入力信号的检测。

In the case of similar hospitalize days and payment, patients treated by stroke unit gain evidently better prognosis than traditional therapy's, satisfaction grade of patients and relations advance, and the treatment should obtained broad popularizing.

在患者住院天数及住院费用基本相同的情况下，采用卒中单元治疗的患者治疗效果明显好于传统治疗方法，患者及家属满意度提高，取得广泛推广。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。