考虑了一个具有非线性边界条件的抛物系统，证明了这个问题非负古典解的存在唯一性。
A parabolic system with nonlinear boundary conditions is considered. T he existence and uniqueness of a nonnegative classical solution are proved to this problem.
用纯分析的方法给出了一类单部件可修系统动态非负解的存在唯一性和单调稳定性证明。
By using pure analysis method, are proved the monotone stability, existence and uniqeness of a dynamic state nonnegative solution of a repairable syatem with some singleness components.
用纯分析的方法给出了一类单部件可修系统动态非负解的存在唯一性和单调稳定性证明。
By using a direct analysis technique, the existence of nonnegative solutions was established for singular semi-positone problems with p-Laplacian.
通过初等方法，证明了此冗余系统非负解的存在唯一性。
A new algorithm that finds nonegative solution of system of linear equations is described and proved.
应用有界线性算子半群理论证明一类成批服务系统的解的存在唯一性和非负性。
In this paper, by using C0-semigroup theory the existence of a unique positive time-dependent solution of a bulk service queue with finite waiting space is proved.
运用纯分析的方法给出了具有共因故障的四部件冗余可修系统动态非负解的存在唯一性证明。
This paper, using pure analysis method has, proved the qualitative analysis of a dynamic state nonnegative solution of a 4 unit redundant repairable system with common cause failures.
通过初等方法，证明了此冗余系统非负解的存在唯一性。
The existence and uniqueness of nonnegative solution for a class of age-structured SEIR epidemic model;
通过初等方法，证明了此冗余系统非负解的存在唯一性。
The existence and uniqueness of nonnegative solution for a class of age-structured SEIR epidemic model;
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