1.Pour the crude product into a separatory funnel and the aqueous layer is removed.
此粗产物倒入分液漏斗中,分去层。
2.Modified polyacrylic acid aqueous vehicle may be the headmost applied in electronic pastes of high sintering temperature.
其中改性聚丙烯酸有可能在高温电子浆料中率先应用。
3.Methods A serials of thiosemicarbazones were synthesized by utilizing aromatic aldehyde,aromatic ketone and thiosemicarbazide in aqueous solution under ultrasound irradiation.
目利用超声技术和相体系相结合绿色合成法优缩氨基硫脲合成条件,扩展超声技术在有机合成中应用范围。
4.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7%草甘膦剂对土壤盐和碱影响。
5.The increase of concentration of inorganic electrolyte in aqueous phase can also markedly raise the solubilization capacity of sodium naphthenates for oil.
相中无机电解质浓度越大,石油酸钠对馏分油增溶能力越强。
6.The reaction of triphenyltin with nitrous acid in aqueous phase in the presence and absence of O2 was studied by a laser flash photolysis technique.
利用激光闪光光解技术进行了有氧和无氧条件下氯基锡与亚硝酸溶液紫外光解反应研究。
7.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.
8.Aqueous titanium trichloride promoted intermolecular reductive cyclization of 1,2 -diketone and o-nitroaniline in basic media provides a convenient method for the synthesis of quinoxaline derivatives.
9.S-Methyl-isothiourea sulfate was oxidized by hydrogen peroxide to give methylsulfonyl chloride in 70% yield in aqueous hydrochloric acid solution.The product was characterized by 1HNNR and IR.
在盐酸介质中,利用双氧氧S-甲基异硫脲盐,合成了甲基磺酰氯,收率70%。
10.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.
用正己烷萃取液体饮料中防腐剂,使萃取液经环糊精交联树脂分离后,用乙醇溶液洗脱。
11.Methods The aqueous extract of all grass of Patrina villosa Juss was injected peritoneally to mice or that accompanied with suprathreshold or subthreshold dose of pentobarbital solution.
12."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.
在实验室平研究,这些数据展示桔子皮被认为是能除去溶中污物可行性材料。
13.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.