crown ether 中文意思是什麼

crown ether 解釋
冠醚
  • crown : n 1 （勝利的）花冠；榮譽；〈美俚〉錦標。2 王冠，冕；王位；君權；〈the Crown〉 國王，君主。3 王冠...
  • ether : n. 1. 【物理學】以太，能媒。2. 【化學】醚；乙醚。3. 〈詩〉上空，蒼天。4. 【哲學】靈氣；氣氛。
  1. Under acid condition open chaining crown ether diaromatic aldehyde can react, and they will synthesize a compound of chaining crown ether diaromatic aldehyde thiosemi - carbazone kind

    摘要鏈狀冠醚二芳醛在酸性條件下與氨基硫脲反應，合成了鏈狀冠醚二芳醛縮氨硫脲類化合物。
  2. Synthesis of open chaining crown ether compound

    開鏈冠醚衍生物的合成
  3. We have synthesized two novel crown ether compounds which possess the properties of lyotropic liquid crystals. the one is n - octoxymethyl - 15 - crown - 5, the other is ( 15 - crown - 5 ) methyl stearate. the hydrolysis of pnpp ( p - nitrophenyl pipolinate ) catalysis by n - octoxymethyl - 15 - crown - 5 micellar solution has been studied spectrephoto - meterically

    我們合成了兩種具有溶致液晶性質的冠醚化合物，正辛氧基甲基- 1 ， 4 ， 7 ， 10 ， 13 -五氧雜環十五烷和硬脂酸（ 15 -冠- 5 ）甲酯和3 -正辛氧基- 1 ， 2丙二醇。
  4. The compounds with symmetric structure and different size crown ether rings, 16 and 18, have higher tm and tj than those of the compounds 17 with the asymmetric structure. the tm and ti of compounds 18 is higher than the compounds 16

    含有對稱結構和不同大小冠醚環的化合物， 16和18 ，它們的熔點和液晶態的清亮點高於含有不對稱冠醚環的化合物17 ，且化合物18的熔點和液晶態的清亮點也高於化合物16的熔點和清亮點。
  5. Liquid crystal crown ether is a kind of compound, which remains the liquid crystal property when the crown ether ring link or insert to the molecular structure of liquid crystalline compound. it is in fine - order structure and unite its function and character into together. so it is a kind of novel compound with the characterstic of liquid crystal and the selecting of the crown ether

    液晶冠醚是一類將冠醚環插入或連接在具有液晶性的分子結構中並保持液晶性質的化合物，這種化合物是一類結構有序且功能特性一體化的體系，它是一類既有液晶特性又有冠醚選擇配位功能的新型化合物，它們在分子結構、性能和應用功能等方面都與通常的液晶化合物不同。
  6. Systemic research including the influence of the crown ether ring ' s symmetry, the size and the conformation on the liquid - crystalline behavior have been done in this paper. the synthesis way and method were improved. from the experimental results, it was found that : 1, compounds 2, 4, 16, 17 and 18 have liquid crystal properties

    優化和改進了合成路線及方法，對席夫堿型液晶冠醚，因取代基的大小、冠醚環的大小和冠醚環的對稱性以及不同結構的順反構型對液晶性能的影響等諸方面進行了較系統的研究，取得了一系列具有規律性的結果。
  7. Synthetizing bromoacetylic benzo - 15 - crown - 5 and biscrown of keto - ether type

    溴乙酰苯並15冠5和酮醚型雙冠醚的合成
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