1.Composite W-Cu oxide nanopowder was prepared by spray-drying and milling of ammonium metatungstate(AMT) and cupric nitrate.
采用偏钨酸铵、硝酸通过喷雾燥、焙烧、球磨工艺制备纳米氧化钨复合粉末。
2.The hexadecanol bischloroacetate was synthesized fastly with the technique of microwave irradiation with the anhydrous cupric sulfate as catalyst.
研究了在无水硫酸的催化下,利用微技术快速合成氯乙酸十六酯的方法及影响反应收率的因素。
3.According to the problems in dyes production,the role of cupric ion in coupling-cupric complexation was discussed,and the chelated forms of formazane reactive dyes were introduced.