positron spectroscopy meaning in English

正电子谱学

Abstract : positron spectroscopy is a new and sensitive microanalytical probe for characterization of polymer microstructures . we report recent advances in this area , including studies on the free volume properties , structural transition , miscibility of blending polymers , physical aging , doping of functional polymers , interfacial interaction of multiphase polymers , etc
文摘:简要介绍了近年来正电子谱学在聚合物微结构研究中的主要应用及进展.大量实验事实表明，正电子谱学是表征高聚物微结构的极灵敏方法