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| 用17O核磁共振研究液态水的团簇结构 | |
| 引用本文： | 李福志,张晓健,吕木坚. 用17O核磁共振研究液态水的团簇结构[J]. 环境科学学报, 2004, 24(1): 6-9 |
| 作者姓名： | 李福志 张晓健 吕木坚 |
| 作者单位： | 1. 清华大学深圳研究生院环境工程和管理研究中心,深圳,518057 2. 清华大学环境科学与工程系,北京,100084 3. 北京大学化学学院分析中心,北京,100871 |
| 基金项目： | 国家自然科学基金 (项目批准号 :5 0 0 780 2 6 ) |
| 摘 要： | 阐述了利用核磁共振谱线宽表征液态水团簇结构平均相对大小的原理 ,通过试验确定了以 17O核磁共振谱线宽作为衡量液态水团簇结构平均相对大小的指标 ,并以温度升高过程中液态水 17O NMR谱线宽的变化对该指标进行了初步的验证 . |
| 关 键 词： | 17O核磁共振 谱线宽 水团簇 |
| 文章编号： | 0253-2468(2004)01-0006-04 |
| 收稿时间： | 2002-12-16 |
| 修稿时间： | 2002-12-16 |
Study on liquid water cluster with 17O NMR |
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| LI Fuzhi,ZHANG Xiaojian and LV Mujian. Study on liquid water cluster with 17O NMR[J]. Acta Scientiae Circumstantiae, 2004, 24(1): 6-9 | |
| Authors: | LI Fuzhi ZHANG Xiaojian LV Mujian |
| Affiliation: | Research Center for Environmental Engineering and Management, Graduate School at Shenzhen, Tsinghua University, Shenzhen 518057,Department of Environmental Science and Technology, Tsinghua University, Beijing 100084 and Analysis Center of Chemistry College, Peking University, Beijing 100871 |
| Abstract: | The principle of using NMR to measure liquid water cluster size was expatiated. Through a series of experiments the ~(17)O|NMR FWHM was selected to scale the average cluster size in liquid water. A preliminary verification was held by different water samples at different temperature. |
| Keywords: | O NMR FWHM (Full width at half maximum intensity) water cluster |
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