2) ultrasonic dispersion
超声分散
1.
The contact mass prepared with ultrasonic dispersion method was proved to hold higher activity than that of prepared with simple mixing method.
采用简单混合法和超声分散法2种催化剂触体制备方法,将自制铜粉与适量的氧化锌助催化剂混合,由直接法合成甲基氯硅烷,并建立了毛细管气相色谱法定量分析甲基氯硅烷的方法。
2.
A PVDF/Polyacrylate composite emulsion was prepared by emulsion polymerization using mixture of polyvinylidene fluoride,methyl methacrylate and butyl acrylate monomers in presence of fluorine-containing surfactant by ultrasonic dispersion process.
在含氟表面活性剂存在下,将聚偏氟乙烯超声分散于甲基丙烯酸甲酯和丙烯酸丁酯的混合单体中进行乳液聚合,制备了聚偏氟乙烯/聚丙烯酸酯复合乳液。
3.
The influence of ultrasonic dispersion time,seed type and DVB concentration were discussed.
利用超声分散改进的二步溶胀法制备4~9μm的聚苯乙烯-二乙烯苯(PSt-DVB)多孔微球,并以防晒剂parsol 1789为模型组分考察了其缓释性能。
3) ultrasonic decomposition
超声分解
6) ultrasonic separation
超声分离
1.
The shape changes of cortical cell of yak hair fiber have been analyzed before and after stretching slenderization by means of ultrasonic separation.
借助超声分离技术,对细化前后牦牛纤维皮质细胞形态的变化进行分析,发现纤维皮质细胞被拉长变细且不发生细胞间的滑移。
补充资料:地理分期播种(见地理播种)
地理分期播种(见地理播种)
d 11bozhong粼龄燕羁见地理播种。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条