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Numerous studies on inclusion phenomenon of cyclodextrin(CD) have attracted considerable attention and are widely used in pharmaceutical industry and analytical separations.Drug carrier represents one of the most important applications of the CD. 相似文献
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This paper proposed several new types of finite-difference methods for the shallow water equation in absolute coordinate system and put forward an effective two-step predictorcorrector method, a compact and iterative algorithm for five diagonal matrix. Then the iterative method was used for a multigrid procedure for shallow water equation. At last, an initial-boundary value problem was considered, and the numerical results show that the linear sinusoidal wave would successively evolve into conoidal wave. 相似文献
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本文给出了一个关于长圈和长路的新的充分条件.主要结果是:设在3-连通图G中,任一对距离为2的顶点u,v,都满足max{d(u),d(v)}≥m/2,那么d*(G)≥min{n-1,m-2}. 相似文献
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温度对螺栓紧固应力超声测量的影响研究 总被引:9,自引:0,他引:9
本文从理论和实验两方面研究了温度对螺栓紧固应力超声测量的影响。推导了考虑温度影响时,测量螺栓轴力的应力—声关系.同时,通过实验测定了纵、横波在螺栓中的传播时间与温度的关系,获得了温度修正曲线,其结果与理论分析相吻合. 相似文献
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