氮化硼生产厂家价格
中国科学家造出世界最硬玻璃,比钻石还硬,可以直接划破钻石
org/w/index.php?curid=6675922crystal structure of alpha-si3n4.
crystal structure of alpha-si3n4. data from kato k., inoue z.
structural properties of stone–wales defective boron nitride
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