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发明人王建平,周伟,郑宇鹏. "Method for the Synthesis of 15N Labeled ammonium sulfate
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Ammonium-15N2 sulfate
Diazanium-15N2 sulfate" [P]. 中国发明专利, 专利号 CN 108974846 A, 授权公告日 2024-05-10.
发明人徐明华,韩伟,赵玉洁. "A Process for Preparing High-Purity 15N Labeled ammonium sulfate
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Ammonium-15N2 sulfate
Diazanium-15N2 sulfate" [P]. 中国发明专利, 专利号 CN 112228256 B, 授权公告日 2025-06-27.
参考文献 Literature
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