Through the transformation function of modifier, it successfully realizes zero emission of such harmful substance as CH2O in combustion of low-carbon fuel.

通过改性剂的转化作用，成功实现低碳燃料燃烧时甲醛(CH2O)等有害物质的零排放。

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Primary factor analysis was used in this paper to analyze the factors which affect the main index such as free CH2O content, shear strength, solids content and stability.

应用主因子分析法探讨了氧化淀粉改性脲醛树脂的合成工艺中，游离甲醛含量、 固含量、贮存稳定性、 剪切强度等主要技术指标的影响因素。

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