云南高校图书馆联盟文献共享服务平台- MAS-NMR

MAS-NMR: 作品数：12被引量：10H指数：2; 导出分析报告; 相关领域：理学更多>>; 相关作者：杨俊陈艳可李丽云徐奕德胡红兵更多>>; 相关机构：复旦大学中国科学院华南理工大学吉林大学更多>>; 相关期刊：《Journal of Chemistry and Chemical Engineering》《南开大学学报（自然科学版）》《Science China Chemistry》《Chemical Research in Chinese Universities》更多>>; 相关基金：国家自然科学基金广东省科技计划工业攻关项目广州市科技计划项目霍英东基金更多>>

Compositional dependence of thermophysical properties in binary alkaline earth borate melts:Insights from structure in short-range and intermediate-range order: 《Journal of Materials Science & Technology》2022年第36期195-203,共9页Jian Yang Il Sohn; financially supported by the Ministry of Science and ICT(MSIT)through the National Research Foundation of Korea(NRF)(Grant No.2018R1A2B2006609)。; In this work,the thermal conductivity of alkaline earth borate melts was measured using hot-wire method from 1323 to 1623 K,and the thermal diffusivity was extrapolated from the thermal conductivity and heat capacity....; 关键词：Thermal conductivity Magic-angle spinning nuclear magnetic resonance(MAS-NMR) X-ray photoelectron spectroscopy(XPS) Raman spectroscopy Thermal diffusivity

磷对白云瓷力学和降解性能的影响被引量：3: 《华南理工大学学报（自然科学版）》2018年第2期140-146,共7页张志杰李宇琴张晨阳钟明峰; 国家自然科学基金资助项目(51372090);广东省科技计划项目(2014B090908012);"扬帆计划"引进创新创业团队专项(201312C07);广州市科技计划项目(201604016042)~~; 通过磷的引入调控白云瓷显微结构的形成,来提高白云瓷的抗弯强度及降解性能.采用X射线衍射(XRD)Rietveld全谱拟合、拉曼光谱、傅里叶红外光谱(FT-IR)、^(31)P魔角旋转核磁共振光谱(MAS-NMR)和扫描电子显微镜(SEM)等方法对样品的结构及...; 关键词：磷白云瓷玻璃相力学性能降解性能 ^31P MAS-NMR

Formation of six-coordinated silicon in calcium phosphosilicate xerogels assisted by polyols at low temperature and pressure: 《Chinese Chemical Letters》2015年第6期768-772,共5页Ai-Ling Li Yan-Ping Ma Dong Qiu; supported by the State Key Development Program of Basic Research of China (No.2012CB933200);National Natural Science Foundation of China (No.51173193); Silicon is usually found to be four-coordinated when neighbored with oxygen. Six-coordinated silicon is only seen in samples at very specific composition or made at high temperature/pressure. In this study, we managed...; 关键词：Phosphosilicate Six-coordinated silicon PolyolsMAS-NMR

^(27)Al MAS-NMR study of inorganic polymer formation at ambient temperature: 《Transactions of Nonferrous Metals Society of China》2011年第A01期182-187,共6页Sang-Wook AHN Hee-Soo LEE Wan-Hee YANG Jung-Woo LEE Young-Keun JEONG; supported by Energy Resource Technology Development Project [The Development and commercialization of Inorganic Polymer Ceramic Panel] of Korea Energy Management Corporation;supported by NCRC(National Core Research Center) Program through the National Research Foundation of Korea funded by the Ministry of Education, Science and Technology; Inorganic polymers are a novel class of materials formed by the polymerization of silicon, aluminium and oxygen species to form an amorphous three-dimensional framework structure. The basis of this process is the alka...; 关键词：inorganic polymer AMORPHOUS TETRAHEDRAL

Effect of Alkali-NaOH Solution on the Nature of Synthesized Zeolite from 2：1 Tunisian Clays： XRD and MAS-NMR Investigation: 《Journal of Chemistry and Chemical Engineering》2011年第3期246-249,共4页Mahdi Meftah Walid Oueslati Abdesslem Ben HajAmara; This work focuses the effect of alkali-NaOH solution on the nature of synthesized zeolite from 2：1 Tunisian clays. This study was achieved using correlation between results obtained from X-ray diffraction （XRD） and...; 关键词：Alkali-NaOH solution bydrothermal reactor zeolite P HS.

Structure and base properties of calcined hydrotalcites被引量：2: 《Chinese Journal of Chemistry》1999年第4期319-330,1,共12页刘海超杨锡尧冉国鹏闵恩泽刘建科应品良辛勤李灿; Five hydrotalcites with Mg/Al molar ratio range of 3–15 were prepared. The structure and basicity of Mg-Al mixed oxides (Mg(Al)O) transformed from hydrotalcites were investigated by TPD, XPS, XRD, FT-IR and NMR techn...; 关键词：HYDROTALCITES base property CATALYST MAS-NMR

^(27)Al和^(29)Si MAS-NMR对Mo/HZSM-5催化剂的研究被引量：3: 《物理化学学报》1997年第8期693-699,共7页刘薇徐奕德李丽云胡红兵; 使用29Si和27Al固体高分辨核磁技术对甲烷无氧芳构化催化剂Mo／HZSM－5分子筛进行了研究，发现HZSM－5分子筛本体中仅含有少量非骨架Al，Mo物种与分子筛骨架Al及骨架外Al的相互作用随Mo担载量以及焙烧温度的升高而增加，在高温焙烧下，M...; 关键词：钼催化剂铝27 硅29 HZSM-5 甲烷芳构化

SOLID STATE ^(27)AL MAS-NMR STUDY OF POLYOXY-ALUMINUM PILLARED MONTMORILLONITE: 《Chinese Chemical Letters》1992年第2期137-138,共2页; Solid state magic-angle-spinning nuclear magnetic resonance spectroscopy (MAS-NMR) has been used to probe the signal of ^(27)Al in polyoxyaluminum pillared montmorillonite. The experimental results show that the polyh...

Structure and Catalytic Behaviour of Saponite and Its Cross-Linking Product: 《Chemical Research in Chinese Universities》1991年第3期156-161,共6页Jiang Dazhen, Liu Ziyang, Sun Tie and Ren Beiyuan (Department of Chemistry, Jilin University, Changchun)Min Enze and He Mingyuan (Research Institute of Petroleum Processing, Beijing); Synthetic saponites have been intercalated with hydroxyl aluminium oligomers and characterized with several techniques. The basal 001 peak of the pillared saponite (PS) is 1. 8 nm. The amount of the aluminium in the t...; 关键词：SAPONITE Cross-linking MAS-NMR CATALYSIS

SAPO分子筛的^27Al.^29Si.^31P MAS—NMR研究: 《南开大学学报（自然科学版）》1991年第1期80-85,共6页赵永记丁大同; 关键词：SAPO MAS-NMR 分子筛晶体骨架

MAS-NMR