If, however, they are subjected instead to pyrolysis-a process of controlled burning in a low-oxygen atmosphere-the result is charcoal, a substance that is mostly elemental carbon.
但如果经过高温分解—在低氧环境下有控制的燃烧—它将会形成木炭，其大部分是永久碳。
Limits for elemental impurities in the final substance, as implemented by the CEP holder will be included on the CEP.
元素杂质在最终原料药中的限度会根据CE P持有人实施的情况包括在CEP上。
Elemental quantitative analysis and IR spectral analysis show the substance to be 1-triacontanol.
元素定量分析及红外光谱分析表明：该物质是三十烷醇- 1。
Elemental quantitative analysis and IR spectral analysis show the substance to be 1-triacontanol.
元素定量分析及红外光谱分析表明：该物质是三十烷醇- 1。
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