Figure 7
From: Characterization of humic acids from original coal and its oxidization production
Sites location of the five collected coals, 1, Liulin; 2, Qitaihe; 3, Hami; 4, Lingshi; 5, Yimin.
Figure 7 | Scientific Reports
From: Characterization of humic acids from original coal and its oxidization production
Sites location of the five collected coals, 1, Liulin; 2, Qitaihe; 3, Hami; 4, Lingshi; 5, Yimin.
