利用高压毛细管流变仪对SEBS和TPU的流变性能进行了研究。结果表明,SEBS熔体流动表现为非牛顿性,粘度随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.
本文对牛顿万有引力定律提出了一种非黎曼几何的相对论性的可能修正公式。
In this paper, a possible Correction of non-Riemannian geometric relativity is made for Newton's Law of Gravitation.
讨论具有一般形式的对流项、扩散项、边界流项以及反应项的一维牛顿渗流方程初边值问题非负解的整体存在性。
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.
海森矩阵被应用于牛顿法解决的大规模优化问题。混合偏导数和海森矩阵的对称性海森矩阵的混合偏导数是海森矩阵非主对角线上的元素。
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.
宾汉极限切应力是描述非牛顿体流变特性的一个重要参数,由于流体中泥沙颗粒之间作用的复杂性,使得宾汉极限切应力的理论分析还不完善,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.
本文讨论了在一维情况下一类非牛顿流初边值问题整体解的存在唯一性。
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.
本文讨论了在一维情况下一类非牛顿流初边值问题整体解的存在唯一性。
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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