gas pyrolytic decomposition
gas pyrolytic decomposition
气体热解分解
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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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