It is introduced in the feature extraction of the vibration signal induced from reciprocating machinery valve, and t.
提出了一种自适应提取往复机械振动信号冲击特征的信号处理方法。
2
Moreover, the condition of extraction about many factors, for example, the effect of extracting agent, temperature, time, pH valve and species were studied in th…
甘草酸提取的众多影响因素中，存在显著性差异的是提取温度、提取次数、提取时间、加酸量和甘草等级。
3
This paper introduced the design features of ADV advanced micro-dispersion valve tray and its application in aromatics extraction unit.