烟酸和烟酰胺是一种白色结晶体，都是很容易从小肠吸收的。
A white crystalline substance that is soluble in water and alcohol, niacin and niacinamide are both readily absorbed from the small intestine.
维生素b3有两种基体形式——烟酸(又称烟酸)和烟酰胺(也称为烟酰胺)。
Vitamin B3 comes in two basic forms - niacin (also called nicotinic acid) and niacinamide (also called nicotinamide).
研究了室温条件下结构相似的烟酸和烟酰胺以及烟碱的太赫兹光谱。
The terahertz (THz) spectra of nicotinic acid, nicotinamide and nicotine were studied at room temperature. The time-domain THz spectra were measured.
结果表明，数值模拟和实验结果相结合，可以用来分析烟酸和烟酰胺的分子结构和分子振动模式。
It was shown that the molecule structure and vibrational modes of nicotinic acid and nicotinamide can be analyzed by the combination of simulation and experimental results.
结果表明，数值模拟和实验结果相结合，可以用来分析烟酸和烟酰胺的分子结构和分子振动模式。
It was shown that the molecule structure and vibrational modes of nicotinic acid and nicotinamide can be analyzed by the combination of simulation and experimental results.
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