And the ultraviolet-visible absorption spectrum also changed little according to the analysis of UV-visible absorption. Third, compound modified emulsified asphalt with nano-SiO2 and SBR was prepared. The properties about evaporated residue and the mechanism of compound modification were investigated.
再次,制备了纳米SiO2/SBR复合改性乳化沥青,分析了复合改性机理,并对其蒸发残留物的有关性能进行了研究。
The alcohol is later evaporated, leaving only the residue behind.
后来酒精被蒸发掉, 只留下残渣.
简答网 · 高考英语
简答网 · 初中英语作文
简答网 · 四六级英语
简答网 · 中考英语