5.Pour the crude product into a separatory funnel and the aqueous layer is removed.
将此粗产倒入分液漏斗中,分去层。
6.Sodium naphthenate in aqueous solution can solubilize oil fractions durmg caustic treatment.
研究表明,石油酸钠平均相对分子质量越大,对馏分油的增能力越强;
7.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高温电子浆料中率先应用。
8.A new process was proposed to saponify the crude lanolin in alkaliaqueous solution with the addition of ethanol and then to separate the product by converting the sodium soap into calcium soap.
以粗羊毛为原料,提出了一条羊毛液中添加助剂乙醇皂化及其用钙皂转化来分离产的工艺路线。
9.Ziram was synthesized in an one-step with aqueous solution of dimethylamine carbon disulfide and zinc oxide,in yield 97%.waste water is reused.
以二甲胺液、二硫化碳和氧化锌为原料一步法合成了福美锌,产率达到97%以上.废循环利用.
10.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%草甘膦剂对土壤盐化和化的影响。
11.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,石油酸钠对馏分油的增能力越强。
12.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液的紫外光解反应研究。
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.
14.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分离后,用乙醇液洗脱。
15.The clean technologies such as hide chill, low or free sulphide and enzyme hair-saving unhairing, aqueous degreasing and CO2 deliming can reduce the degree of pollution in beamhouse;
16."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.
实验室平的研究,这些数据展示桔子皮被认为是能除去中污的可行性材料。
17.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非硫化矿浮选分离、有色金属离子的浮选分离以及从液中浮选分离有机等方面的应用情况。
18.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.
19.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.