thoriated cathode 涂钍阴极...thoriated emitter 涂钍钨丝极...thoriated filament 涂钍灯丝...thoriated tungsten filament 涂钍钨丝极...thorides 钍系元素...thorin 钍试剂;2-(2-羟基-3,6...thorite n.钍石硅酸钍矿...thorium n.钍钍Th钍(90号元素)...thorium anhydride 氧化钍...thorium carbide 碳化钍...thorium chloride 氯化钍...thorium decay series 钍衰变系...thorium deuteride 氘化钍...thorium dioxide 二氧化钍...thorium emanation 钍射气...thorium fluoride 氟化钍...thorium hydroxide 氢氧化钍...thorium nitrate 硝酸钍...thorium nitride 氮化钍;四氮化三钍...thorium oxalate 草酸钍...thorium oxide 氧化钍...
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