WU Ping Xiao 1 ZHANG Hui Fen 2 GUO Jiu Gao 2 HU Cheng 3 LIU Xiao Yong 3 1( South China Agricultural University Guangzhou 510642 China) 2( Guangzhou Institute of Geochemistry Guangzhou 510640 China) 3( Stat.MAS NMR Spectra of Montmorillonite and Its Thermal Treatment Products.Journal of ...
For instance, the 1H NMR spectra of dehydrated zeolite H,Na–Y give two signals of bridging hydroxyl groups, one at δ1H = 3.6–4.0 ppm (protons located in the large supercage volume), and a second one at δ1H = 4.8–5.2 ppm (Si–OH–Al in small sodalite cages). The larger ...
Crockford C,Geen H,Titman J J.Two-dimensional MAS-NMR spectra which correlate fast and slow magic angle spinning sideband patterns. Chemical Physics Letters . 2001Crockford C,Geen H,Titman JJ,et al.Two-dimensional MAS- NMR spectra which correlate fast and slow magic angle spinning sideband ...
MAS-NMR Spectroscopy: The spectra were obtained at 298 K using a Bruker Avance II 600 ...
Si MAS NMR spectra of surfactant-extracted问题补充:匿名 2013-05-23 12:21:38 的硅MAS NMR谱的表面活性剂提取 匿名 2013-05-23 12:23:18 Si MAS核磁共振光表面活化剂提取 匿名 2013-05-23 12:24:58 Si MAS核磁共振光表面活化剂提取 匿名 2013-05-23 12:26:38 Si MAS NMR 谱的表面...
High spinning speed 1 H magic-angle spinning nuclear magnetic resonance ( 1 H MAS NMR) was used to detect surface hydroxyl groups of diatomite, which include isolated hydroxyl groups and hydrogen-bonded hydroxyl groups, and water adsorbed on diatomite surface that include pore water and hydrogen-...
aDENA DENA[translate] astay ribbon 逗留丝带[translate] aStray birds of summer come to my window to sing and fly away. 夏天离群鸟来到我的窗口唱歌和飞行。[translate] aSi MAS NMR spectra of surfactant-extracted Si MAS核磁共振光表面活化剂提取[translate]...
Order-resolved sideband separation in magic angle spinning NMR of half integer quadrupolar nuclei We describe a new pulse sequence that separates spinning sidebands by order for MAS NMR spectra of half integer quadrupolar nuclei broadened to second orde......
Atomic electro-negativity interaction vector(AEIV) and Atomic hybridization state index(AHSI) were employed here for QSSR model establishment of 13C NMR chemical shift of carbon atoms for terpenoid compounds. 利用原子电性作用矢量(Atomic electro-negativity interaction vector,AEIV)和原子杂化状态指数(Ato...
Atomic electro-negativity interaction vector(AEIV) and Atomic hybridization state index(AHSI) were employed here for QSSR model establishment of 13C NMR chemical shift of carbon atoms for terpenoid compounds. 利用原子电性作用矢量(Atomic electro-negativity interaction vector,AEIV)和原子杂化状态指数(Ato...