The level of blood endotoxin was detected in the experiment.该实验检测血中内毒素水平。Objective To establish the bacterial endotoxin test method for cefalotin sodium for injection.目的建立注射用头孢噻吩钠的细菌内毒素检查法.Objective To establish the bac...
然而近代电子学对调谐的频率范围很宽的带通放大器提出很多要求.There is a great deal of demand in modern electronics, however, for bandpass amplifiers.滤波器. 可指定高通 、 低通 、 带通 或带阻滤波器.Filter. High - pass, low - pass, band - pass , or band - stop filter can b...