The volumetric determination of lead dioxide and lead tetroxide in minium 单道扫描电感耦合等离子体发射光谱法测定珊瑚礁中主量和微量元素
4.
Abstract : the most pollution sources in hubei province alu minium electrolysis enterprises are the electrobaths in their electrolysis works hops 文摘:湖北铝电解企业的主要污染源是电解车间的电解槽。
5.
A generalized minium variance pole assignment pid self - tuning controller can be used for the system with gentle time - varying delay . the controller algorithm is simplified . its effectiveness has been shown in many simulation uses 在考虑系统时滞特性的情况下，提出了适合一类时滞系统的广义最小方差极点配置自校正控制器，并对控制器算法进行了简化，使该控制器简单易行，适应性强，仿真结果表明它的有效性。
