Objective To evaluate the level of T-lymphocyte subpopulations in blood of senior citizen with acute coronary syndromes(ACS) when the disease occurred.
方法采用SAP法分别测定28例老年ACS患者、34例老年对照组(NC)的外周血T淋巴细胞亚群水平。
A new method for SAPWM in direct current control of PWM rectifier;
三相PWM整流器直接电流控制中进行SAP WM调制的新方法