• It was found that the coke precursor was mainly three ring aromatic compounds with a few of aromatic ethers.

    实验结果表明:焦炭前身主要三环取代芳香化合物组成,并醚类化合物存在。

    youdao

  • Based on the infrared spectra, it is suggested that the scale insects waxy compounds are composed majorly by long-chain fatty alcohol and fatty acids and some compounds with aromatic ring.

    此外,根据红外光谱特征分析,可以知道蜡泌的化学成分主要为长脂肪酸、脂肪醇一些芳香化合物

    youdao

  • Based on the infrared spectra, it is suggested that the scale insects waxy compounds are composed majorly by long-chain fatty alcohol and fatty acids and some compounds with aromatic ring.

    此外,根据红外光谱特征分析,可以知道蜡泌的化学成分主要为长脂肪酸、脂肪醇一些芳香化合物

    youdao

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