S german standard methods for the examination of water , waste water and sludge ; physical and physicochemical parameters group c ; determination of tritium 德国检验水废水和污泥的标准方法.污泥和沉积物
German standard methods for analysing of water , waste water and sludge ; physical and physical - chemical parameters group c ; determination of temperature 德国检验水废水和污泥的标准方法.物理和物理化学特
German standard methods for the examination of water , waste water and sludge - physical and physico - chemical parameters group c - part 10 : calcit saturation of water 德国检验水废水和污泥的标准方法.物理的及物理化学
German standard methods for the examination of water , waste water and sludge ; physical and physico - chemical parameters group c ; determination of the oxidation reduction potential 对水.废水和淤泥进行检查的德国标准方法.物理和物理
By using the characters and advantages of wavelet transform with mra and local time - frequency domain , the feature parameter group which reflecting gear fault features is built 摘要运用小波变换的多分辨和时频局部化特性,建立故障徵兆的初始徵参数集合。