空心菱形体微粒
Hollow rhombohedral particle
SiO2空心微球
Hollow silica microsphere
Silica hollow microspheres
封闭微空心阴极放电
closed micro-hollow cathode discharge
复合空心微球
composite hollow microspheres
高铝空心微球材料
high-aluminous hollow microspheres materials
高效微粒空气过滤器
High efficiency particulate air filter
间苯二酚－甲醛气凝胶空心微球
Resorcinol-formaldehyde aerogel hollow microsphere
聚苯乙烯空心微球
polystyrene hollow microspheres
聚合物空心微球
Polymer hollow microspheres