Open Access
Table 1
ΔK changes as the time of exposure sun and air is increased.
Time (h) | 2014 | 2015 | 2016 |
---|---|---|---|
0 | 0.037 Ca | −0.055 Db | −0.040 Db |
56 | 0.162 Aa | 0.024 Cb | −0.018 Cc |
112 | 0.111 Ba | 0.041 Bb | 0.006 Bc |
168 | 0.115 Bb | 0.140 Aa | 0.011 Ac |
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