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锆石的合成及其固化核废物应用研究
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作者 丁艺 江正迪 +2 位作者 鲜强 旦辉 段涛 《矿产保护与利用》 2020年第6期8-15,共8页
锆石因其优异的物理化学性质,除在地质测年、陶瓷、玻璃、耐火材料及铸造等诸多领域得以广泛应用外,在核废物固化处理中也展现出良好应用前景,因此锆石是一种战略性非金属矿产。概述了国内外锆石固化核废物的研究现状,重点介绍了锆石基... 锆石因其优异的物理化学性质,除在地质测年、陶瓷、玻璃、耐火材料及铸造等诸多领域得以广泛应用外,在核废物固化处理中也展现出良好应用前景,因此锆石是一种战略性非金属矿产。概述了国内外锆石固化核废物的研究现状,重点介绍了锆石基核废物固化体的合成方法,锆石对模拟锕系核素的固化行为,锆石固化体的热稳定性、化学稳定性及辐照稳定性等方面的研究工作,并展望了今后锆石研究的发展方向。 展开更多
关键词 锆石 合成 应用 核废物 固化
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Reducing subspaces of multiplication operators with the symbol αz^k+ βw^l on L_a^2(D^2) 被引量:7
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作者 WANG XuDi dan hui HUANG HanSong 《Science China Mathematics》 SCIE CSCD 2015年第10期2167-2180,共14页
Multiplication operators defined on function spaces have been receiving enormous attention from both operator-theoretic and function-theoretic experts. One of the problems is to study reducing subspaces of them. The o... Multiplication operators defined on function spaces have been receiving enormous attention from both operator-theoretic and function-theoretic experts. One of the problems is to study reducing subspaces of them. The one-variable case has obtained fruitful remarkable results. However, little has been done in the multi-variable case. Under the setting of the Bergman space L2a(D2), this paper addresses those multiplication operators Mp defined by special polynomials p, where p(z, w) = αzk+ βwl, α, β∈ C. Those reducing subspaces of Mp are completely determined. 展开更多
关键词 von Neumann algebra reducing subspaces multiplication operators
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