aqueous

Pour the crude product into a separatory funnel and the aqueous layer is removed.

此粗产物倒入分漏斗，分去层。

Modified polyacrylic acid aqueous vehicle may be the headmost applied in electronic pastes of high sintering temperature.

其改性聚丙烯酸有可能在高温电子浆料率先应用。

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化缩氨基合成条件,扩展超声技术在有机合成应用范围。

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7%草甘膦剂对土壤盐化和碱化影响。

The increase of concentration of inorganic electrolyte in aqueous phase can also markedly raise the solubilization capacity of sodium naphthenates for oil.

相无机电解质浓度越大，石油酸钠对馏分油增溶能力越强。

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化三苯基锡与亚硝酸溶紫外光解反应研究。

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化物矿浮选分离、有色金属离子浮选分离以及从溶浮选分离有机物等方面应用情况。

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.

本文研究了三氯化钛溶作用下,邻硝基苯胺与1,2-二酮在碱性介质分子间成环反应,提供了一个方便地合成取代喹喔啉类化合物方法。

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防腐剂，使萃取经环糊精交联树脂分离后，用乙醇溶洗脱。

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，利用双氧氧化S-甲基异盐，合成了甲基磺酰氯，收率70％。

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.

方法取白花败酱草提取分别单独、配伍使用阈上或阈下剂量戊巴比妥钠注入小鼠体内,观察小鼠自发活动和睡眠时间,并结果与对照组进行比较、分析。

"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污物可行性材料。

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.

在由离子膜分隔电解槽电解溴化钠溶,所产生含溴阳极和碱性阴极,分别是由全氟丙烯合成全氟环氧丙烷环氧化剂和皂化剂。