×
模态框（Modal）标题
在这里添加一些文本
Close
Close
Submit
Cancel
Confirm
×
模态框（Modal）标题
×
Home
About Us
Editorial Board
Instruction
Subscription
Advertisement
Contact Us
Chinese
RSS
NITROGEN-14 NUCLEAR MAGNETIC RESONANCE AS A METHOD OF QUANTITATIVE NITROGEN ANALYSIS AND ITS APPLICATION TO DETERMINATION OF NITRATE IN SEVERAL HUMIC ACIDS
ZHANG Yong-hong, MAO Xian
Chinese Journal of Magnetic Resonance . 2000, (
6
): 449 -454 .
