谷酰胺或天门冬酰胺的酰胺氮作用较氨更有效.The amide nitrogen of glutamine or asparagine functions more effectively than ammonia.这些不稳定性促使琼脂糖和琼脂糖 -- 丙烯酰胺凝胶的发展.These liabilities prompted development of agarose and agarose - acrylamide gels.这类含氮...
Switched capacitor ( SC ) unit delayer , positive negative proportors and adder were designed using two phase clocks.用二相时钟设计了对寄生电容低灵敏的开关电容单位延时器 、 负比例器和加法器.Final, improve of beam - pointing drift with digital delayer at e...