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Ripan首先合成以镧系元素为中心原子的杂多钨酸盐。尔后,镧系杂多钨酸盐相继问世。此系列化合物属于多核配合物,其中心原子和配位原子经氧原子桥联而成,具有确定的空间构型。杂多酸配合物有的具有抗病毒、抗癌作用;有的是阻燃阻腐剂;有的已成为有价值的工业催化剂;它的许多基础理论问题引人瞩目。
Ripan first synthesized lanthanide-based heteropolytungstates. Later, lanthanide heteropolytungstates came out one after another. This series of compounds are multi-nuclear complexes, the central atoms and coordination atoms by the oxygen atoms bridged, with a definite spatial configuration. Some heteropoly acid complexes have antiviral and anticancer effects; some are flame retardant preservatives; others have become valuable industrial catalysts; and many of its fundamental theoretical issues have drawn the attention.