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- A existence result is obtained via upper and lower solutions method coupled with the monotone iterative technique. 利用上下解方法结合单调迭代技巧，我们得到了解的存在性结果。
- The sufficient conditions are obtained for existence of extreme solutions by using upper and lower solutions method couped with monotone iterative technique. 通过利用上下解方法并结合单调迭代技术得到了边值问题的极大解和极小解的一组充分条件。
- By aid of the monotone iteration technique and the upper and lower solutions method, the existence of travelling wave fronts is established for a single species population model with stage structure and distributed maturation delay. 利用单调迭代和上下解方法证明了一类具有分布成熟时间和阶段结构的单物种种群模型的波前解的存在性.
- Applying upper and lower solution method, we investigate the existence of solutions of a class of periodic boundary value problems for impulsive differential equations with piecewise constant argument. 利用上下解方法,研究了一类具逐段常数变元的脉冲微分方程的周期边值问题的解的存在性。
- upper and lower solutions method 上下解方法
- the upper and lower solution method 上下解方法
- Upper and Lower Solutions Method for First Order Impulsive Differential Equations with Integral Boundary Conditions 一阶脉冲微分方程积分边值问题的上下解方法
- The Upper and Lower Solution Method of a Class of Singular Impulsive Boundary Value Problems 一类奇异脉冲微分方程边值问题的上下解方法
- The dynamics of a coupled system of semilinear parabolic equations with discrete time delays is investigated using the method of upper and lower solutions. 动态的耦合系统的半线性抛物方程的离散时间的拖延，研究使用的方法，上部和下部的解决办法。
- Unit Mon small adjustments, technical indicators are up low金叉possible concern about the proposed bargain. 周一该股小幅度调整，技术指标低位有上行金叉可能，建议逢低关注。
- For future work, a well-designed cohort study to follow up low birth weight babies should be recommended. 个人推荐问延的世代研究，长期追踪体重过低的婴儿群是未来最佳研究；
- One way shape up low waist briefs that good elasticity, porous, comfortable, and beauty. 低腰一体成型，弹性佳、透气、舒适、美观不外露。
- The humble will not wither, but shall be replenished, just as flowing water fills up lower places on the ground as it passes by, making up the differences. 地的道理，不论什麽，凡是骄傲自满的，也要使他改变，不能让他永远满足；而谦虚的要使他滋润不枯，就像低的地方，流水经过，必定会充满了他的缺陷。
- The existence of solutions for singular nonlinear two point boundary value problems subject to Sturm Liouville boundary conditions with p Laplacian operators is studied by the method of upper and lower solutions. 利用上下解方法证明一类具有 p Laplacian算子的Sturm Liouville型二阶非线性奇异微分方程的两点边值问题的解的存在性 .
- Groups of ants climb up low branch one moment and high bracket of cucurbit like soldiers seized position one after another. 一只蝉儿，身体还呈浅浅的黄色，翅膀还不算硬朗，就显摆似的想飞离丝瓜的支架，结果重重地摔在地上。
- Using the lower and upper solutions method monotone iterative techniques, the existence of maximal and minimal solutions of first order implusive integro differential equations of mixed type are obtained. 摘要利用上下解方法和单调迭代技巧，证明了一类混合型一阶脉冲积分－微分方程初值问题最大解和最小解的存在性。
- We therefore have designed and made up low pressure multiwire proportional chambers (LPMWPC) which have good beam transparency and are also adequate to be used in vacuum. 介绍了为在放射性束流线上开展精确的散射和反应实验中,对入射束流的角度和有效数目等进行在线监测而设计制造的低气压多丝正比室。
- upper and lower solution method 上、下解方法
- Geometry parameters of dual Y junction subjected to stated situations were optimized using inner point solutions method integrated by improved POWELL means. 运用内点法和改进的powell方法对有约束条件下双Y结的几何参数进行优化；
- How much do all these figures stack up to? 这些数字的总和是多少？
