他们的实验室正在尝试将只有20到30纳米大小的稀土磁性颗粒和非稀土填充物（锡钴）混合在一起。
The lab is mixing particles, just 20 to 30 nanometers in size, of rare-earth magnetic materials with a non-rare-earth complement (tin cobalt).
研究了偕二金属有机试剂3与氯化三烷基锡和碘的非对映选择性反应。
The diastereoselective reactions of organogembismetallic reagent 3 with trialkyl tin chloride and iodine were studied.
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