adj. 使 ... 清潔的(近晶的)

The trifluoromethoxy end-group favors for the formation of smectic phase. 三氟甲氧基有利于近晶相。

Distinctions are noted such as appearance of 2-brush defects and two types of domains in the tilted smectic phases. 受配向而呈現(xiàn)均勻排列的紋理圖中，雙折射隨著電場強(qiáng)度變化，顯示因電場驅(qū)動而分子極化方向隨之改變。

The structure of the as-spun filament ought to have the smectic crystal form, lower crystallinity andmoderate orientation. 加彈變形溫度和產(chǎn)生緊點(diǎn)的臨界溫度均低于普通丙綸。

All target compounds exhibitwide smectic A phase and compounds bearing short terminal tail chains exhibit narrow nematic phase. 發(fā)現(xiàn)目標(biāo)化合物都呈現(xiàn)很寬的近晶A相,當(dāng)另一側(cè)的碳?xì)滏溳^短時(shí),還有較窄的向列相存在。

DSC analyses show that these compounds have a broad nematic range and the substitute of lateral fluorine can suppress the smectic phase effectively,thus broaden the nematic phase. DSC分析表明產(chǎn)物具有較寬的液晶相區(qū),引入側(cè)向氟原子可以有效地抑制近晶相,從而擴(kuò)大向列相溫區(qū)。