移相全桥DC/DC变换器动态建模研究，希望大家有用，但是文章有点旧。-Move the whole bridge in DC/DC converter dynamic modeling study, hope everyone useful, but the article is a little old.

系统动力学建模方法在生态平衡中的应用，系统描述为：在一个封闭的海岛上，设有两个群体：1.狐狸(FOXES) 2.啮齿动物（RODENTS）-system dynamic modeling

Flaxseed may improve the adverse effects of the lack of oestrogens. This study compared the effects of brown and golden flaxseed intake on body composition, inflammation and bone biomarkers in overweight perimenopausal women.

本文在介绍双闭环PWM直流调速系统原理基础上，根据系统的动、静态性能指标采用工程设计方法设计调节器参数，并运用Matlab的Simulink面向系统电气原理结构图的仿真方法，实现了转速电流双闭环PWM直流调速系统的建模与仿真。(This paper introduces the principle of double closed-loop PWM dc speed regulation system based on the adopted according to the static an