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、硝酸铜通过喷雾干燥、焙烧、球磨工艺制备纳米氧化钨铜复合粉末。

The hexadecanol bischloroacetate was synthesized fastly with the technique of microwave irradiation with the anhydrous cupric sulfate as catalyst.

研究了在无水硫酸铜的催化下,利用微波辐射技术快速合成氯乙酸的方法影响反的因素。

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.

并结合生产和用中的实际问题,对偶合-铜络一步完成中铜盐的作用、甲铜络合物的啮合形式其性能等研究成果进行了介绍。

The biruet can develop the color with the cupric sulfate in the alkaline solution, we call that the biruet reaction.Malonyl urea has acidity, so we call it barbituric acid.

巴比妥酸本身无镇静催眠作用，当它的五位亚甲基上的两个氢被烃基取代后才呈现镇静催眠的生理活性，是一类对中枢神经系统起抑制作用的化合物。