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LnBSb 2 O 8 (Ln = Sm, Eu, Gd, Tb): A Series of Lanthanide Boroantimonates with Unusual 3D Anionic Structures A series of lanthanide boroantimonates, namely, LnBSb 2 O 8 (Ln = Sm 1 , Eu 2 , Gd 3 , and Tb 4 ) have been successfully synthesized by high temperatu... 被引量...
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某交变电流的电压为u=10sin100πt(V).则---( )A.把电磁打点计时器接在此电源上.打点周期为0.01sB.该交变电流电压的有效值为10VC.把额定电压为10V的小灯泡直接接在此电源上.小灯泡将被烧坏D.击穿电压为10V的电容器能直接接在此