3 %Si 无取向硅钢异步轧制织构的演变-钨钼稀土标准知识网

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以四丁铵六钨酸盐为可重复使用非均_省略_合成1_8_二氧十氢吖啶5p.
Tetrabutylammonium hexatungstate,[TBA]2[W6O19],has been used as an efficient,inexpensive,and recyclable green catalyst for the one-pot three-component synthesis of 1,8-dioxodecahydroacridines by the reaction of dimedone with aromatic or aliphatic aldehydes in the presence of a nitrogen source(ammoni
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caihuan 发布于2558天之前