Methods A serials of thiosemicarbazones were synthesized by utilizing aromatic aldehyde,aromatic ketone and thiosemicarbazide in aqueous solution under ultrasound irradiation.
目的利用超和水相体系相结合的绿色合成法优化缩氨基硫脲的合成条件,扩展超在有机合成的应用范围。
Methods A serials of thiosemicarbazones were synthesized by utilizing aromatic aldehyde,aromatic ketone and thiosemicarbazide in aqueous solution under ultrasound irradiation.
目的利用超和水相体系相结合的绿色合成法优化缩氨基硫脲的合成条件,扩展超在有机合成的应用范围。
Potted plant experiment was used in studying the effect of 7% glyphosate aqueous solution at five concentrations on soil salinize and alkalize.
通过室内盆栽模拟实验,研究了5种浓度的7%草甘膦水剂对土壤盐化和化的影响。
The authors discuss the applications of rosin and its derivant,including nonsulfide flotation and flotation separation of nonferrous metallic ions and organic compound from aqueous solution.
讨论了松香及其衍生物在非硫化物矿浮选分离、有色金属离子的浮选分离以及从水浮选分离有机物等方面的应用情况。
The perservative in liquid beverage was extrcated with n-hexane.The hexane layer was subjected to cyclodextrine polymer resin colume.The colume was eluted with aqueous solution of ethanol.
用正己烷萃取体饮料的防腐剂,使萃取经环糊精交联树脂分离后,用乙醇洗脱。
"In laboratory-scale studies, the data show that orange peel has a considerable potential for the removal of dyes from aqueous solutions over a wide range of concentrations," Bena?ssa says.
在实验室水平的研究,这些数据展示桔子皮被认为是能除去水污物的可行性材料。
A divided flow cell is used for electrolysis of NaBr aqueous solution.The anolyte containing Br 2 and catholyte containing NaOH are produced simultaneously and in turn to epoxide HFP to HFPO.
在由离子膜分隔的电解槽电解溴化钠,所产生的含溴阳极和性阴极,分别是由全氟丙烯合成全氟环氧丙烷的环氧化剂和皂化剂。
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