smectic-a 中文意思是什麼

smectic-a 解釋
距列形a
  • smectic : adj. 1. 【化學】碟狀液晶分子的，近晶的。2. 凈化的。
  • a : an 用在以母音音素開始的詞前〉 indefinite art 1 〈普通可數名詞第一次提到時，冠以不定冠詞主要表示類...
  1. Thirdly, order parameters, of smectic - a phase can be expressed as this two kinds of elementary excitations and its expression is accomplished

    第三，近晶a相的序參量， ，都可用上述兩種元激發來表示，給出了表達式。
  2. When liquid crystal ( lc ) is in smectic - a ( sa ) phase, its molecules disperse in layers ( sandwich ) and the molecular long axis tropism is in some order and the director is perpendicular to the layers

    液晶近晶a相，分子質心按層狀分佈（有層狀結構） ，分子長軸取向有序，指向矢垂直於層面。用三個序參量， ，描述。
  3. Psc - 11 displays a nematic and two smectic enantiotropic mesophases, which are of interest for application in thermal controlling devices that might be turned on and off by external electric or magnetic regulation

    這種性能應用於熱控制裝置很有意義，即可利用外界溫度調節來開和關這一裝置，這一性能在促進傳遞方面尚未見報導。
  4. 5, both melting point ( tm ) and isotropization temperature ( tj ) of all the three series compounds change regularly with the carbon numbers of the end alkoxy group increased. there is a gradual increase in smectic phase length and in the smectic - nemetic transition temperature. at the same time there is a gradual decrease in nemetic phase length

    五，三個類型化合物16ia至16id 、 16ila至16lid 、 17ia至17id 、 17ila至17lid 、 18ia至18id和18ila至18lid的熔點和液晶態的清亮點均化合物分子中末端烷氧基增大逐漸降低；近晶相的溫度范圍和近晶相一向列相轉變溫度逐漸增大，而向列相的溫度范圍遞減。
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