Ionin约宁ionn.离子ion cyclotron wave离子回旋波ion chromatoghrphy离子色谱法Ionospheric dynamo电离层发电机ionosphere scatter前向(电离层)散射ion channel radius通道半径ion retarding lens离子减速透镜ion current signal离子电流信号ion exchange resin离子交换树脂ion exchange tower离子交换塔ionization thimble电离筒, 电离室