概述读后续写的研究现状,指出读后续写为英语教和学提供了可操作性强的方法.以人教版高中《英语》必修1第三单元Reading Task阅读课文A Night In The Mounting为例,探究如何基于读后续写培养高中生的英语学科核心素养.提出读后续写对落...概述读后续写的研究现状,指出读后续写为英语教和学提供了可操作性强的方法.以人教版高中《英语》必修1第三单元Reading Task阅读课文A Night In The Mounting为例,探究如何基于读后续写培养高中生的英语学科核心素养.提出读后续写对落实英语学科核心素养的五条建议,为落实《课程标准》探索一种切实可行的途径.展开更多
Radiation damping effects induced by the dominated solvent in a solution sample can be applied to suppress the solvent signal. The precession pathway and rate back to equilibrium state between solute and solvent spins...Radiation damping effects induced by the dominated solvent in a solution sample can be applied to suppress the solvent signal. The precession pathway and rate back to equilibrium state between solute and solvent spins are different under radiation damping. In this paper, a series of pulse sequences using radiation damping were designed for the solvent suppression in nuclear magnetic resonance (NMR) spectroscopy. Compared to the WATERGATE method, the solute signals adjacent to the solvent would not be influenced by using the radiation damping method. The one-dimensional (1D) ^1H NMR, two-dimensional (2D) gCOSY, and J-resolved experimental results show the practicability of solvent suppression via radiation damping effects in 1D and 2D NMR spectroscopy.展开更多
文摘概述读后续写的研究现状,指出读后续写为英语教和学提供了可操作性强的方法.以人教版高中《英语》必修1第三单元Reading Task阅读课文A Night In The Mounting为例,探究如何基于读后续写培养高中生的英语学科核心素养.提出读后续写对落实英语学科核心素养的五条建议,为落实《课程标准》探索一种切实可行的途径.
基金supported by the National Natural Science Foundation of China(Grant Nos.10974164 and 11074209)the Fundamental Research Funds for the Central Universities(Grant Nos.2010121008 and 2010121010)
文摘Radiation damping effects induced by the dominated solvent in a solution sample can be applied to suppress the solvent signal. The precession pathway and rate back to equilibrium state between solute and solvent spins are different under radiation damping. In this paper, a series of pulse sequences using radiation damping were designed for the solvent suppression in nuclear magnetic resonance (NMR) spectroscopy. Compared to the WATERGATE method, the solute signals adjacent to the solvent would not be influenced by using the radiation damping method. The one-dimensional (1D) ^1H NMR, two-dimensional (2D) gCOSY, and J-resolved experimental results show the practicability of solvent suppression via radiation damping effects in 1D and 2D NMR spectroscopy.