为什么离子色谱输液系统不能进入气泡?
参考答案：
因进入气泡会影响分离效果和检测信号的稳定性，会导致基线不稳定，产生较大噪声，使检测灵敏度降低.
_____, we decided to spend the night at the foot of the mountain.
A．With the moon appeared
B．The moon appeared
C．The moon being appeared
D．As the moon appeared
区域熔炼法制取高纯铝的原理？
