The IR ratio of Fe tourmaline is close to that of Mg tourmaline, and both are higher than that of Li tourmaline.
铁、镁电气石红外发射率相近，且都大于锂电气石的红外发射率；
The effects of reaction ratio and temperature on the reaction are studied. The product is analyzed qualitatively by means of IR and NMR.
研究了反应配比、温度对反应的影响，通过红外光谱、核磁共振光谱对产品进行了定性分析。
To analysis the chemical composition of 290 urinary stones by infrared (IR) spectroscopy and study the ratio changes of uric acid calculus.
对所收集的泌尿系结石进行红外光谱定性分析，测定其结石成分并分析尿酸结石所占的比例变化。
应用推荐