原因是40 - 42指的标准化都芳樟醇和乙酸芳樟酯造成了非常一致的花香味。
The reason is that the 40-42 refers to the standardization of both Linalool and Linalyl acetate resulting in a very consistent floral scent.
要界定这些混乱的话，我们听到芳芳约每天都害怕问的意思？
Need definitions of those confusing words we hear bantered about every day and are afraid to ask the meaning of?
以取代的芳基酮为原料，合成了一系列6,6 -取代芳基富烯，这些富烯都经过了核磁共振、元素分析、质谱和红外光谱的鉴定。
Some new 6, 6-diaryl fulvenes were synthesized from the diaryl ketones. Their structures were characterized by ir, 1h NMR, MS spectra and elemental analysis.
应用推荐