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chemistry properties 纳米结构体系是含有丰富科学内涵的一个重要科学分支,以纳米尺度的物质单元为基础,按一定的规律构筑一种新的体系.随着目前科学的发展已经可以实现按照人类意志,利用物理和化学方法人为地将纳米尺度的物质单元组装,排列可以构成一维,二维和三维的纳米结构体系,即实现可控合成.纳米结构既有纳米微粒的量子尺寸效应,表面和界面效应以及宏观量子隧道效应等特性,又存在由纳米结构组.... Nanomaterials & nanostructures: Research progress of major state basic research development program of China[M]. Beijing: Chemistry Industry Press, 2004: 113-165. [4] ASAHI R, MORIKAWA T, OHWAKI T, AOKI K......
基于催化作用程度的焦炭灰组成催化指数模型研究郑明东1,徐静静1,单海燕1(1.安徽省马鞍山市安徽工业大学 化学与化工学院)摘 要:通过主焦煤和生产配合煤脱除部分矿物质以及分别添加不同矿物质后的碳化试验,研究了Na2O,CaO,MgO,SiO2,Al2O3,BaO,Fe2O3等主要矿物质对焦炭热反应性的催化作用行为,依据其催化作用程度导出新的矿物质催化指数模型,并对比验证了几种催化指数模型对高炉焦质量预测的适应性.关键词:焦炭； 催化作用； 模型......
Searching for novel materials via 4f chemistryCongting Sun1,Keyan Li2,Dongfeng Xue11. State Key Laboratory of Rare Earth Resource Utilization,Changchun Institute of Applied Chemistry,Chinese Academy...="ChDivSummary">4f chemistry studies the chemical bonding characteristics of fifteen lanthanide (Ln) elements in the periodic table and their wide applications in materials sciences and engineering, which forms......
Searching for novel materials via 4f chemistryCongting Sun1,Keyan Li2,Dongfeng Xue11. State Key Laboratory of Rare Earth Resource Utilization,Changchun Institute of Applied Chemistry,Chinese Academy...="ChDivSummary">4f chemistry studies the chemical bonding characteristics of fifteen lanthanide (Ln) elements in the periodic table and their wide applications in materials sciences and engineering, which forms......
Phase Chemistry of the Complexes of RE Amino Acids 高胜利1,李焕勇1,陈三平1,史启祯1 (1.Department of Chemistry, Shaanxi Key Laboratory of Physico-Inorganic Chemistry, Northwest University, Xi′an 710069, China... of combustion and standard enthalpies of formation were calculated for these complexes. Key words:rare earths; amino acids; phase chemistry; thermochemistry; [全文内容正在添加中] ......
Enhancing photothermal CO2 catalysis by thermal insulating substratesMu-Jin Cai,Chao-Ran Li,Le HeInstitute of Functional Nano and Soft Materials (FUNSOM),Jiangsu Key Laboratory for Carbon-Based... the catalyst temperature under illumination.Our study reveals the important role of thermal management between catalysts and substrates in photothermal catalysis and sheds light on reactor design......
Comparative Crystal Chemistry of Rare Earth Minerals杨主明,潘兆橹,张建洪摘 要:<正> Polyhedral analysis is used to study the geometrical limits of the crystal structure on isomorphic substitutionof rare earths.The rare earth sites in the structure may be distinguished into six groups on the basis of meanionic radii of the substituting cations in each rare......
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Characteristics of Trivalent Lanthanides in Coordination Chemistry 薛冬峰1,左森1 (1.State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology,Dalin 116012... coordination number.The difference of electronegative values decreases with the increase in the lanthanide coordination number. Key words:lanthanides; coordination chemistry: coordination number; rare......
A review on yttrium solvent extraction chemistry and separation process李德谦State Key Lab of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, CAS摘 要:This paper reviewed various systems such as neutral phosphorus and acid phosphorus, carboxylic acid and amine extractant for solvent extraction chemistry of yttrium, including......
