Figure 1
From: Trace metals and magnetic particles in PM2.5: Magnetic identification and its implications
208Pb/206Pb ratios plotted against the 207Pb/206Pb ratios for the PM2.5 samples collected in summer and winter.
Figure 1 | Scientific Reports
From: Trace metals and magnetic particles in PM2.5: Magnetic identification and its implications
208Pb/206Pb ratios plotted against the 207Pb/206Pb ratios for the PM2.5 samples collected in summer and winter.
