When permafrost thaws, it has concerning and far-reaching effects. The ground can fracture and collapse in on itself, and the landscape can experience flooding and erosion, making previously stable trees tilt and form so-called “drunken forests.” It ...
滴定误差时由于理论终点与滴定终点未重迭而产生的误差，它是由指示终点的方法不是很好所引起的。因此它是系统误差可以通过作空白实验对照实验对实验结果加以校正，能减少或克服滴定误差。