• 利用高压毛细管流变SEBSTPU的流变能进行了研究。结果表明,SEBS熔体流动表现为非牛顿性粘度剪切速率增加而降低

    The rheological results of SEBS and TPU by means of high pressure capillary indicates that SEBS is non-Newton fluid, the viscosity decreases when the shear rate increases.

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  • 本文牛顿万有引力定律提出了黎曼几何相对论可能修正公式。

    In this paper, a possible Correction of non-Riemannian geometric relativity is made for Newton's Law of Gravitation.

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  • 讨论具有一般形式对流项扩散项、边界以及反应一维牛顿渗流方程初边值问题整体存在

    The present paper studied the global existence of nonnegative solutions of one-dimensional Newtonian filtration equation with more general boundary fluxes term, reaction, diffusion and convection.

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  • 矩阵应用牛顿法解决大规模优化问题。混合偏导数和海森矩阵的对称海森矩阵混合偏导数是海森矩阵主对角线上的元素。

    Hessian matrices are used in large-scale optimization problems within Newton-type methods because they are the coefficient of the quadratic term of a local Taylor expansion of a function.

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  • 宾汉极限应力描述非牛顿体流变特一个重要参数,由于流体中泥沙颗粒之间作用的复杂,使得宾汉极限切应力理论分析完善,其解析计算也较繁琐。

    As the role between the sands is so complex, the theoretical analysis of the Bingham yield stress has not been so perfect, and the analyzed calculation was much multitudinous.

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  • 本文讨论了在情况下一类牛顿流初边值问题整体存在唯一

    In this paper, we prove the existence and uniqueness of global weak solution of non Newton Filtration equation with a kind of nonlinear boundary condition.

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  • 本文讨论了在情况下一类牛顿流初边值问题整体存在唯一

    In this paper, we prove the existence and uniqueness of global weak solution of non Newton Filtration equation with a kind of nonlinear boundary condition.

    youdao

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