詞語：preconcentrator
preconcentrator的意思
preconcentrator 預濃縮器;vacuum preconcentrator 真空預濃縮器;
preconcentrator的參考例句
1.This paper presents the application of down-film vacuum preconcentrator for heat recovery, puts forward the problems and measures against them during the application. 介紹氨汽提尿素裝置中使用降膜式真空預濃縮器回收餘熱的情況和使用過程中遇到的問題及解決措施、經濟效益。
2.The deleterious ingredients in gas emission of sculpturing organic glass were studied, using gas chromatography-mass spectrometry coupled with 3-step preconcentrator. 研究了3階段預濃縮氣相色譜-質譜法檢測有機玻璃在雕刻過程中排放的有害氣體的組成。