陽離子交換柱的英文：
cation exchange column
cation是什麽意思：n. 陽離子
Study on synthsis application of cationic flocculant PDA
陽離子絮凝劑PDA的合成與應用研究Abstract: Cationic and amphoteric flocculants have many advantages.
陽離子型高分子絮凝劑及兩性高分子絮凝劑具有許多優點The number of cationic bromine and chlorine compounds is restricted
溴、氯陽離子化合物的數量受局限。exchange是什麽意思：
n. 交換，互換，交流；兌換，匯率；交易所
v. 交換，互換；交流；兌換
regional exchange
美國在紐約以外地區的證券交易所 This exchange takes place in the foreign exchange market.
匯兌是在外匯交易市場上進行的。He gambles on the stock exchange.
他從事股票投機。column是什麽意思：
n. 圓柱；欄；專欄；縱隊，列
Drag a column header here to group by that column.
金山快譯:在這裏拖拉壹個專欄首領藉著那專欄聚集。 thing shaped like a column
圓柱形物 The sum of a column of figures.
總額壹列數字的總和