... high purity niobium oxide 高纯氧化铌 high purity phosphorus 高纯磷 high purity sulphur 高纯硫 ...
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High-purity phosphorus pentasulphide 高纯五硫化二磷
high purity phosphorus P4 高纯磷
high purity phosphorus trifluoride 高纯三氟化磷
preparation of high-purity phosphorus 高纯磷制备
·2,447,543篇论文数据，部分数据来源于NoteExpress
The obtained high-quality phosphine has purity of 95%, and can be directly used as a fresh-keeping gas or a raw material gas for preparing high-purity yellow phosphorus by pyrolytic decomposition.
制得的优质磷烷，纯度可达95％，可直接 作为保鲜气使用或作为高温分解制取高纯黄磷的原料气；
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