当PTFE用于使用可以同水反应的酸性或碱性气体气体的系统时，它们的水蒸汽会在系统内导致腐蚀性酸性或碱性液体的生成。
When PTFE washers are used in systems using water-reactive acidic or basic gases, their moisture can cause the formation of corrosive acids or alkaline liquids in the system.
结果显示：利用碱性硼酸钠缓冲液系统及一个改进的毛细管冲洗程序分离麦醇溶蛋白，可获得较高的分辨度和重复性。
The results showed that, higher resolution and reproducibility of gliadin HPCE separations were obtained by using the alkaline sodium borate buffer system and an improved capillary cleaning procedure.
通过测定砂浆经不同养护阶段的碱集料反应膨胀率变化，探讨了碱性水泥系统碱集料反应的长期膨胀潜力。
The long-term expansion potential due to AAR of alkaline cement system is discussed with measuring the change of AAR expansion ratio of mortar at different age.
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