The effects of oxiammonolyzation by hydroperoxide on the main functional groups of wheat straw alkaline lignin were studied.
研究了麦草碱木质素的过氧化氢氧化氨解对主要官能团的影响。
The organic boric acid esters were assorted based by their active element containing and main functional groups. The researches of every types were discussed comprehensively.
按照分子中所含活性元素及主要功能团的不同对硼酸酯进行了分类，对其研究进展和应用现状进行了调研。
Among the synthetic helical polymers, polyacetylene derivatives with conjugated main chains and functional pendent groups, have gathered much more attention.
在已经合成的螺旋聚合物中，具有主链共轭双键和功能侧基的取代乙炔类聚合物更是引起了广泛兴趣。
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