探讨了在聚乙烯醇（PVA）存在下，铌与溴邻苯三酚红及二安替比林甲烷的协同显色反应。

The synergistic chromogenic reaction of Nb(V) with both bromopyrogallol red(BPR) and diantipyrylmethane(DAM) in the presence of polyvinyl alcohol(PVA) is studied.

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探讨了在聚乙烯醇（PVA）存在下，铌与溴邻苯三酚红及二安替比林甲烷的协同显色反应。

The synergistic chromogenic reaction of Nb(V) with both bromopyrogallol red(BPR) and diantipyrylmethane(DAM) in the presence of polyvinyl alcohol(PVA) is studied.

youdao