STUDY ON POSITRON ANNIHILATION LIFETIME SPECTRA IN RAW AND HEAT-CURED SILICONE RUBBER
The method of analyzing positron annihilation lifetime spectra was used to study molecular structures of raw silicone rubbers with different molecular weights and heat-cured silicone rubbers’s constitutions. The positron annihilation lifetime spectra were measured using a fast-fast coincidence circu...
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Veröffentlicht in: | 中国科学通报:英文版 1989 (7), p.612-612 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | The method of analyzing positron annihilation lifetime spectra was used to study molecular structures of raw silicone rubbers with different molecular weights and heat-cured silicone rubbers’s constitutions. The positron annihilation lifetime spectra were measured using a fast-fast coincidence circuitry positron lifetime spectrometer modified by us from a fast-slow delayed coincidence positron lifetime spectrometer |
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ISSN: | 2095-9273 |