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white carbon black
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white carbon black
Encyclopedia
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white carbon black
白炭黑
由原生粒子(一次粒子)和聚集体(二次粒子)及附聚集体(三次粒子)混合组成的水合二氧化硅。分子式为SiO2•nH2O。
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Portrait of Queen Tiy with a Crown of Two Feathers
Portrait of the Days of Youth
portrait of the goddess and the lady of the Xiang
portrait of the King Miaozhuang of the Sansheng Opera Troupe in Xihe County
Portrait of Yang Zhuxi
Portrait of Yang Zhuxi by Wang Yi
Portrait of YouSong by Du Qiong
Portrait of Zhang Qingzi
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Portraits of Four Heavenly Kings
Portraits of Periodical Offering
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