Ionel约内尔ionn.离子ion-exchange radiochromatography离子交换放射色谱法ionization transmission microscope场致离子透射显微镜ion-acoustic current instability离子声电流不稳定性Ionospheric critical fre- quency电离层临界频率ion-selective electrode analysis离子选择性电极分析ionexchangewate purifying apparatu离子交换纯水器ion-pair partition chromatography离子对分配色谱ion-pairing liquid chromatography离子对色谱ionization cross-section detector截面积电离检测器ion-exchange paper chromatography离子交换纸色谱法