SiBN三元陶瓷纤维的聚硼硅氮烷裂解转化制备和性能
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Preparation and Property of SiBN Ternary Ceramic Fibers Prepared by Polyborosilazane-Derived Method
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图4. 不同聚合温度制备的PBSZ前驱体的11B-NMR谱图 |
Fig.4. 11B-NMR spectra of PBSZ prepared at different polymerization temperature |
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