例句與造句

1. Extraction mechanism of purple crystallize on the aqueous two - phase system of tetrabutylammonium bromide and 2so4 mixture
   硫酸銨雙水相萃取法萃取結晶紫的行為研究
2. Au . the influence of several variables such as gold and cosolvent concentrations , shaking times , the ratio of tdmba and gold on the extraction of gold and the water concentration of the organic phase were studied . while the cosolvent ratio is more than 10 % , in the tdmba system , gold was extracted completely . the gold extraction mechanism was discussed on the bases of water concentrations of organic phases and infrared spectrum . it was found that the aggregation ratio of tdmba and au
   等因素對萃取率的影響，并研究了有機相的連續(xù)萃取有機相金含量與水含量的關系。結果表明，助溶劑體積比10 %以上時，十四烷基二甲基芐基氯化銨對金具有萃取能力強，平衡時間短的特點。季銨鹽陽離子與au cn
3. It's difficult to find extraction mechanism in a sentence. 用extraction mechanism造句挺難的