醌型結構 的英文怎麼說
中文拼音 [xíngjiēgòu]
醌型結構
英文
quinoid structure-
When the ph of the solution was lower than 4, the structure of dab changes from an azo type to a quinoid type. this change was studied by sers and the reversibility of transformation was found
當溶液ph值小於4時,由於質子化, dab分子將從偶氮型結構轉變為醌型結構,本章利用sers技術,研究了其結構的這種變化,並且發現這種結構的變化是可以逆轉的。More anthraquinone compounds was distributed in pith ray cells and the tissues of mature stem suchas bundle sheaths in large - scale vascular bundle, primary phloem and primary xylem than that in young stem. [ conclusion ] the distribution of anthraquinone compounds in the stem was of multilocus
結果隨著莖的不斷成熟,在莖的表皮、近表皮的1 ~ 2層皮層細胞及較內部皮層中,不同程度地增加貯藏和積累了一定數量的蒽醌類化合物,成為莖外部貯藏和積累蒽醌共化合物的主要結構部位成熱莖大型維管束的維管束鞘、初生韌皮部、初生木質部等組織和髓射線細胞分佈了比幼莖多的蒽醌類化合物。
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