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1.It was shown that the curing process of resoles, at first, proceeded by condensation reaction of methylol groups, and the formation of dimethylene ether linkage was predominant.

1.结果表明热性酚醛树化过程,先是羟生缩合反应,缩合反应形成醚键是主要

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Dictyoptera, Dictyosiphoniales, dictyosome, Dictyospongiidae, Dictyosporae, dictyosporangium, dictyospore, dictyostele, Dictyostellaceae, Dictyotales,

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3G, 401(K), a,

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