Based on the study of melting behavior of thermoplastic polymers tested in the cone calorimeter, a differential numerical model for one-dimensional unsteady burning of polymers was put forward.
针对热塑性聚合物在锥形量热仪中燃烧测试时的熔融行为，提出了有限厚度的聚合物固体一维不稳态燃烧微分模型。
By using fixed point index theory in a cone, we study the existence of positive solutions of boundary value problems for systems of nonlinear second order singular differential equations.
使用锥上拓扑度理论，研究二阶非线性奇异微分方程组两点边值问题正解的存在性。
By using fixed point theorem in cone, the authors discuss the existence of positive solutions of fourth order two-point ordinary differential equations.
应用锥上不动点定理讨论一类四阶两点边值问题正解存在性。
By using fixed point theorem in cone, the authors discuss the existence of positive solutions of fourth outer two-point ordinary differential equations.
应用锥上不动点定理讨论一类四阶两点边值问题正解存在性。
Nonlinear ordinary differential systems boundary value problems cone fixed point index theory positive solution.
常微分方程组边值问题锥不动点指数理论正解。
Nonlinear ordinary differential systems boundary value problems cone fixed point index theory positive solution.
常微分方程组边值问题锥不动点指数理论正解。
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