• 采用有限体积固接坐标系直求解三维欧拉方程。

    The approach is to solve the Euler equations in a rotor fixed frame of reference using a finite volume method.

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  • 另一成型(40),位于述板(36,36)下部优选固接地面

    A further forming roller (40), situated in the lower part of the plates (36, 36 '), is preferably secured to the ground.

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  • 使用过程中发现主要存在问题中下面部位混凝土开裂。

    But in the use process discovered the main existence the questions are the cross center down-warping and concrete of the fixing of pier and girder dehiscence.

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  • 根据理论,对内缘固接圆环横向载荷作用进行了解算,并编制计算机程序

    Based on the theory of plates, a solution is given to the ring plate of which the inner rim is rigidly coupled under transversely concentrated load, with a computer program provided.

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  • 运用ANSYS分析桩桩顶铰直桩桩桩基码头水平地震作用下动力反应

    The concrete work of herein is as follows:1. Using ANSYS analyze the reaction of pile-wharf with knuckle in straight pile and usually pile-wharf in horizontal earthquake.

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  • 本文根据轻型钢结构门式架柱脚具体形式,分柱脚门式刚柱脚门式刚架两个章节进行研究

    The research work of this paper is classified as two separated chapters, which is according to the form of frame-column bases (pined base or fixed ones).

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  • 南京奥体中心中央大平台梁柱固接形成框架情况建立有限元模型分析其温度收缩作用内力分布情况

    The finite element model of Nanjing Olympic Center is created, and the distribution of internal force under temperature and shrinkage load is analyzed.

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  • 探井在钻进过程中出现套管挤毁、井而常规封堵无效复杂问题影响了下一步正常钻进,尾管技术很好解决技术难题

    The short liner cementing technique can successfully solve some difficult technical problems, such as casing collapse, loss circulation during ultra deep exploratory well drilling operations.

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  • 箍式套管两端螺纹,所以套管外径尺寸增大环形间隙便于套管下提高质量

    It connects with threads on both ends of pipe body, which allows a smaller casing O. D. and increases annular gap to facility casing running in and improve cementing quality.

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  • 筒配套用于尾管的一种专用工具

    The tie-back assembly is a special cementing tool for tieback operation.

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  • 探讨PET两种方法引入活性基团作为口,分别选用DCCEDC试剂,以A表面原位枝四肽GRGD

    In this article two methods were used to connect active group on the surface of PET material. DCC and EDC were used to graft peptide. Method A is to graft GRGD on permanent dot of the solid surface.

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  • 传统上加入不同材料必要的,机械使用

    Traditionally, when joining dissimilar materials is needed, solid phase joining, adhesion and mechanical joining are used.

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  • 传统上加入不同材料必要的,机械使用

    Traditionally, when joining dissimilar materials is needed, solid phase joining, adhesion and mechanical joining are used.

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