In this paper,a new solvent-free crystal phase transformation approach for fabrication of nano β-form oxytitanium phthalocyanine(TiOPc) with high crystallinity
Thirty BemOn(m+n = 3, 4, 5) stable isomers are obtained with optimization and frequency analysis based on density functional theory and all-electron numerical b
<正>Dry FGD (Flue Gas Desulfurization) ash produced from iron industry is used as the main raw material to prepare recyclable wastewater phosphorus removal mate
因树型结构的良好表达能力,在互联网中传输的信息流越来越多以树型结构形式存储。但由于流式数据的时效性,隐含在数据流中的知识会随着时间的推移发生改变。针对数据流场景下挖掘最近时间段内的频繁子树模式的问题,提出了一种滑动窗口模型下挖掘频繁子树模式算法——SWMiner算法,用于挖掘数据流下任意时刻窗口所有的频繁子树模式。SWMiner算法使用基于前缀树的结构来压缩存储生成的树模式,并且使用trie me
Pentaerythritol(PET) crystal has been grown rapidly from the solution with sulfuric acid as the additive. The growth rate of PET crystal in prismatic shape exce