研究了超声振荡技术应用于乙酸萃取硅灰石时的钙离子萃取率。
The use of ultrasonic vibration in acetic acid extraction of Ca2+ from wollastonite increased obviously the extraction ratio of Ca2+ ion.
研究了纳米氧化铁颜料的制备工艺，采用超声振荡和固相法相结合的方法合成纳米氧化铁。
Through orthogonal experimental design, the preparation of iron oxide nanometer particles by ultrasonic-solid phase reaction was studied.
采用对所研制的粘结剂进行超声波振荡及混砂时加入有机高聚物yppj对铝镁硼复合磷酸盐铸造粘结剂热硬砂进行改性。
The heat cured sand of Al-Mg-B compound phosphate inorganic binder was modified by ultrasonic oscillation to binder and adding organic polymer YPPJ while mixing of sand.
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