The determination of sulfate radical content in sulfated polysaccharides(SPS) by gravimetric analysis of hydrochloric acid hydrolysis and barium sulfate precipation was investigated methodologically.
对盐酸水解—硫酸钡重量法测定硫酸酯化多糖（SPS）中硫酸基含量进行了方法学考察。
The determination of total rare earth content of rare earth-magnesium alloy were studied. It was used oxalate to be sediment to determine of total rare earth content with gravimetric method.
主要研究稀土镁合金中稀土总量的测定。选择草酸作沉淀剂，重量法测定稀土总量。
Relative accuracy of regional gravimetric geoid determination is estimated by an frequency domain analysis, which is determined by regional terrestrial gravity measurements and geopotential model.
以频域解析方法，研究由地面重力数据、全球位模型确定区域重力大地水准面的相对精度估计。
应用推荐