N,N-dimethylformarnide surfactant methanol solution was developed to functionalize the surface of multi-waled carbon nanotubes (MWNTs).
摘要用二甲基甲酰胺表面活性剂来超声分散多壁碳纳米管,制备成碳纳米管增强的环氧树脂基聚合物。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
But in healthy people, alveoli stay properly inflated because they're full of chemicals called pulmonary surfactants that make the small alveoli more stretchy and less squeezy, balancing the pressure between air sacs.
但在健康
人体内,肺泡会适当
保持充气状态,因为肺泡中充满了一种叫做肺表

剂
化学物质,这种物质能使小肺泡更有弹
,挤压力度更小,从而平衡气囊之间
压力。