Note that the element atomic contents of N and W in GOAP were 4.27% and 3.21%, respectively. That is, the densities of the introduced amine and phosphotungstic acid
groups were about 2.17 and 0.14 mmol g−1 (calculated using the W atomic ratio), respectively
我想知道从W的原子比例3.21%，怎样计算磷钨酸的量0.14 mmol g−1 。
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