C distributions of different types of humic acid in solid-state polarization magic-spin <sup>13</sup>C nuclear magnetic resonance spectroscopic analysis in Black Soil under different fertilization treatments.
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C distributions of different types of humic acid in solid-state polarization magic-spin 13C nuclear magnetic resonance spectroscopic analysis in Black Soil under different fertilization treatments.
创建时间:
2017-11-03



