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ether ring中文是什么意思

  • 醚環(huán)

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  • 例句與用法
  • 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(duì)稱(chēng)結(jié)構(gòu)和不同大小冠醚環(huán)的化合物, 16和18 ,它們的熔點(diǎn)和液晶態(tài)的清亮點(diǎn)高于含有不對(duì)稱(chēng)冠醚環(huán)的化合物17 ,且化合物18的熔點(diǎn)和液晶態(tài)的清亮點(diǎn)也高于化合物16的熔點(diǎn)和清亮點(diǎn)。
  • 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(lèi)將冠醚環(huán)插入或連接在具有液晶性的分子結(jié)構(gòu)中并保持液晶性質(zhì)的化合物,這種化合物是一類(lèi)結(jié)構(gòu)有序且功能特性一體化的體系,它是一類(lèi)既有液晶特性又有冠醚選擇配位功能的新型化合物,它們?cè)诜肿咏Y(jié)構(gòu)、性能和應(yīng)用功能等方面都與通常的液晶化合物不同。
  • 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(yōu)化和改進(jìn)了合成路線及方法,對(duì)席夫堿型液晶冠醚,因取代基的大小、冠醚環(huán)的大小和冠醚環(huán)的對(duì)稱(chēng)性以及不同結(jié)構(gòu)的順?lè)礃?gòu)型對(duì)液晶性能的影響等諸方面進(jìn)行了較系統(tǒng)的研究,取得了一系列具有規(guī)律性的結(jié)果。
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