物理化学性相关论文
Part physical and chemical characteristics of dust aerosol were determined for samples collected from Otindag Sandland o......
<正> 一、对火场的初步观察实验证明,被烧过的混凝土会发生爆裂、脱落、松软、变色等现象,这些现象会由于受热温温度不同而不同。......
