10楼: Originally posted by i404944678 at 2015-06-02 18:27:30
嗯嗯，太感谢了，我今天试试...

9楼: Originally posted by archbishop at 2015-06-01 22:44:31
比如6-12min，40%-80%B，梯度变化的速度是40%/6min=6.7%/min，改成30%-90%，梯度变化的速度是60%/6min=10%/min，这就是提高梯度变化的速度。
起始比例就是梯度一开始的有机相比例，比如从30%提高到40%。...