常見例句雙語例句When the molecular weight of polymers was low, the oligomer cannot adopt stable helical conformation;結果表明,當分子量較低時,聚合物不能形成穩(wěn)定的螺旋結構;Moreover, the stability of helical conformation of poly(phenylacetylene) decreased with the increasing temperature.聚苯乙炔螺旋構象的穩(wěn)定性隨著溫度的提高而降低。In general, bulky side-chain and hydrogen bonding are in favor of the formation of stable helical conformation for polymers, which endows them with high optical property and some special performance.許多文獻報道證實,龐大的側基或具有形成氫鍵能力的基團有利于聚合物主鏈形成穩(wěn)定的螺旋構象,從而賦予材料高度的旋光活性和某些特殊功能。 返回 helical conformation