过滤是聚合作用域的一个很自然的扩展。
通常由等当量的甘醇和二元羧酸制备,它们经过聚合作用而生成聚酯和水。
They are usually prepared from equivalent amounts of glycols and dibasic carboxylic acids, which undergo condensation polymerization to produce the polyester and water.
通过聚合作用制成的一种有机化合物,能被造型,挤压和塑铸成各种形状或薄膜,也可被拉成细丝用作纺织纤维。
Any of various organic compounds produced by polymerization, capable of being molded, extruded, cast into various shapes and films, or drawn into filaments used as textile fibers.
根据所提理论和胶凝时间曲线的特性数值,计算了所形成的硅酸的各级酸离解常数和聚合作用的比凝速常数的近似值。
On the basis of the theory and the characteristics of the gelation time curves, specific polymerization rate constants as well as successive acid dissociation constants are calculated.
根据所提理论和胶凝时间曲线的特性数值,计算了所形成的硅酸的各级酸离解常数和聚合作用的比凝速常数的近似值。
On the basis of the theory and the characteristics of the gelation time curves, specific polymerization rate constants as well as successive acid dissociation constants are calculated.
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