Determination of Molecullar Weights of Petroleum Residues and Asphalts by Cryoscopy(Ⅱ)─Application of the Method;
冰点降低法测定渣油和沥青的分子质量(Ⅱ)──方法的实际应用
Determination of Molecular Weights of Petroleum Residues and Asphalts by Cryoscopy (Ⅰ)─Feasibility of the Method;
冰点降低法测定渣油和沥青的分子质量(Ⅰ)──方法的可行性研究
Non-fluoride ionic number of Nd-F in dilute LiF-NdF3 melts and Nd-O-F species in dilute LiF-NdF3-Li2CO3 melts was researched by cryoscopic method,respectively.
采用冰点降低法分别研究了以LiF为溶剂的稀LiF-NdF3熔盐中Nd-F离子团及LiF-NdF3-Li2CO3熔盐中Nd-O-F离子团的非氟离子的个数。
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