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

将产物倒入分液漏斗中，分去层。

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

其中改性聚丙烯酸将有可能在高温电子浆料中率先应用。

Methods A serials of thiosemicarbazones were synthesized by utilizing aromatic aldehyde,aromatic ketone and thiosemicarbazide in aqueous solution under ultrasound irradiation.

目的利用超声技术和相体系相结合的绿色合成法优缩氨基硫脲的合成条件,扩展超声技术在有合成中的应用范围。

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%草甘膦剂对土壤盐和碱的影响。

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

相中无电解质浓度越大，石油酸钠对馏分油的增溶能力越强。

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三苯基锡与亚硝酸溶液的紫外光解反应研究。

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硫物矿浮选分离、有色金属离子的浮选分离以及从溶液中浮选分离有物等方面的应用情况。

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.

本文研究了三氯溶液作用下,邻硝基苯胺与1,2-二酮在碱性介质中分子间的成环反应,提供了一个方便地合成取代喹喔啉类合物的方法。

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.

用正己烷萃取液体饮料中的防腐剂，使萃取液经环糊精交联树脂分离后，用乙醇溶液洗脱。

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％。

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液分别单独、配伍使用阈上或阈下剂量的戊巴比妥钠注入小鼠体内,观察小鼠的自发活动和睡眠时间,并将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.

在实验室平的研究，这些数据展示桔子皮被认为是能除去溶中污物的可行性材料。

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中电解溴钠溶液,所产生的含溴阳极液和碱性阴极液,分别是由全氟丙烯合成全氟环氧丙烷的环氧剂和皂剂。