Based on the valence bond theory, a general molecular formula for organic com - pounds is derived.
本文根据价键理论导出了一个有机化合物的分子总通式。
Their general molecular formula were characterized with elemental analysis, ir, UV, XRD, TEM, TG-DTA and TPR techniques.
通过元素分析、IR、UV、XRD、TEM、TG DTA、TPR等测试手段对其组成、结构、颗粒大小、热稳定性以及表面性能进行了表征。
The invention discloses coal water slurry additive of polyacrylic acid series. The general molecular formula is shown in the right formula.
本发明公开了聚丙烯酸系列水煤浆添加剂，其结构通式如右式。
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