n.[化]鏷
The Shift of Stark Energy Leveis of Trivalent Protactinium Ion in Different Crystals with Isostructure Pr~(3+)在同类单晶体中斯塔克能级的移位
Keywords Protactinium;Uranium;Extraction-chromatographic separation;Quaternary ammonium; 镤;铀;萃取色层分离;季铵;
In color and fabric, is based on popular trends this year, chose to protactinium gather green camouflage fabric; 在色 彩和面料上，是根据今年流行趋势，选择了返镤归真的绿色迷彩面料；
protactinium alloy 镤基合金
protactinium pentachloride 五氯化镤
