Methods for chemical analysis of tin concentrates determination of aluminum oxide content - the chromazuzol s spectrophotometric method 锡精矿化学分析方法三氧化二铝量的测定铬天青s分光光度法
Chemical analysis methods for acid slay of cupola . determination of aluminium oxide by volumetric method using sodium fluoride - edta 铸造化铁炉酸性炉渣化学分析方法.氟化钠- edta容量法测定三氧化二铝量
Methods for chemical analysis of lead concentrates - the chromazurol s spectrophotometric method for the determination of aluminium oxide content 铅精矿化学分析方法铬天青s分光光度法测定三氧化二铝量
It is processed by fibreboard of middle density to conglutinate paper dipped with melamine , treated with aluminum trioxide coating 系用中密度纤维板粘贴三聚氢氨浸渍纸，并经三氧化二铝涂层处理制成。
Methods for chemical analysis of spodumenite and lepidolite concentrates - the edta volumetric method for the determination of aluminum oxide content 锂辉石,锂云母精矿化学分析方法edta容量法测定三氧化二铝量
Chemical analysis methods for mixed rare earth oxide of ion - absorpted type re ore - determination of aluminum oxide content - edta titrimetric method 离子型稀土矿混合稀土氧化物化学分析方法edta滴定法测定三氧化二铝量
Chemical analysis methods for mixed rare earth oxide of ion - absorpted type re ore - determination of aluminum oxide content - atomic emission spectrographic method 离子型稀土矿混合稀土氧化物化学分析方法发射光谱法测定三氧化二铝量
The quality of the films is examined by afm , aes , eds , xrd , ftir , etc . the experimental results strongly suggest that as - deposited al2o3 films are fairly uniform and flat , chemically pure ( no hydrogen element existing ) and belong to high - hardness - value crystalline super - thin films 薄膜的质量用afm 、 aes 、 eds 、 xrd 、 ftir等实验手段进行表征，结果显示制得的三氧化二铝薄膜表面均匀而平整，化学组份纯正(不含氢元素) ，而且属于高硬度的晶态超薄膜。
