demethylation的意思？

The reactivity of wheat straw soda lignin ( WSSL ) can be improved by demethylation modification.麦草 碱木素在碱催化下经脱甲基改性可提高其反应活性.Benzbromarone was synthesized from salicylaldehyde by condensation with chloroacetone, reduction,...

demethylation的音标：demethylation的英式发音音标为：[dɪmeθɪ'leɪʃn]demethylation的美式发音音标为：[dɪmeθɪ'leɪʃn]...

在三四十年代, 中西乐器独奏与重奏曲创作有了新的发展.In and 1940 s , the creation of and Western solo and ensemble instrumental music underwent new development.钢琴在自己的展开主题中,演奏出一段贯穿在两行五线谱中的重奏.Noted in two staves , the piano plays a reprise of its o...

wan的近义词/同义词有：bloodless, ashen, doughy, weak, ghastly, sallow, haggard, faint, pale, pallid, colorless, pasty, ghastly, pallid, weak, haggard, sallow, pale, colorless, white, pasty, faint, peaked, ashen, chalky, bloodless...

lulls的音标：...

curragh的音标：curragh的英式发音音标为：['kʌrə]curragh的美式发音音标为：['kʌrə]...

enrol的音标：enrol的英式发音音标为：[ɪn'rəʊl]enrol的美式发音音标为：[ɪn'roʊl]...

n.漫画家...

parody的第三人称单数（三单）为：parodies...

“星期天”的英语可以翻译为：[财]Sundays and holidays excepted，[财]weather working days...

erratically的音标：erratically的英式发音音标为：[ɪ'rætɪklɪ]erratically的美式发音音标为：[ɪ'rætɪklɪ]...

巴拉克拉拉冶炼厂于1911年7月终于停产关闭.The Balaklala smelter was finally shut down in July, 1911.铅冶炼厂可以几乎全部使用报废的汽车电池作为它们的主要的铅的供应来源.Lead smelters may use almost entirely scrap automotive storage batteries as their essential lead supply.介...

The anthemion petal motif was especially popular on the moldings of ancient Greek cornices.古希腊飞檐的线脚尤其常用忍冬饰花瓣基本图案....

instrumentationsystem的音标：instrumentationsystem的英式发音音标为：[ɪnstrʊmen'teɪʃnsɪst]instrumentationsystem的美式发音音标为：[ɪnstrʊmen'teɪʃnsɪst]...

kersantite的音标：kersantite的英式发音音标为：[kɜ:zæn'taɪt]kersantite的美式发音音标为：[kɜzæn'taɪt]...

Goldring booked a berth on the first boat he could.戈德林订了他能订到的最早一班船的铺位。The referee booked him for a tussle with the goalie.他和守门员拉扯，因而被裁判记名警告。Today Mahoney booked himself into one of the best hotels in Sydney.今天，马奥尼自己到悉尼最好...

adj.领取退休金而退休的，落伍的，废弃的v.因落后于时代而废除，勒令退学( superannuate的过去式和过去分词 )...