The molecular weight can be1MD-5MD,这里的“MD”是什么概念?1MD与平时说的分子量为1000,怎么比较大小?3Q

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The molecular weight can be1MD-5MD,这里的“MD”是什么概念?1MD与平时说的分子量为1000,怎么比较大小?3Q
The molecular weight can be1MD-5MD,这里的“MD”是什么概念?
1MD与平时说的分子量为1000,怎么比较大小?3Q

The molecular weight can be1MD-5MD,这里的“MD”是什么概念?1MD与平时说的分子量为1000,怎么比较大小?3Q
基本单位是:“道尔顿”,符号为“Dalton”或“D”.
MD就是兆道尔顿:1 Dalton = m (O)≈1.660 1×10-27 kg.
道尔顿”是氧单位的名称,也就是以一个氧原子的质量作为基准.
所以通常我们说的氧原子的质量为16,也就是1D.他们的比例为16:1

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