基于simulink的三相增强型锁相环，实现电网不对称故障下的锁相。 内含： 1.可自由调节电网不对称情况的电源 2.普通锁相环 3.增强型锁相环-Based on the the simulink of three-phase enhanced phase-locked loop, phase-locked grid asymmetric fault. Contents: 1. Freely adjustable power grid asymmetric. Ordinary

油藏物理第九章，多相渗流涉及表面化学、渗流力学等学科，是阐释油藏的驱油机理及探讨提高石油采收率的基础-Chapter IX reservoir physics, surface chemistry involving multiphase flow, hydrodynamics and other disciplines, is flooding reservoirs and explain the mechanism of enhanced oil recovery basis Discuss

附件为全球各大油田常用CMG数值模拟软件的化学驱部分的知识，对于模拟提高原油采收率很实用。-Annex knowledge of chemical flooding part of the world major oil fields commonly CMG numerical simulation software for the simulation of enhanced oil recovery is very practical.