The yield of furil increased to 91.7%(from 2-furaldehyde) after improvements in experimental procedure.
通过改进实验条件，使合成糠偶酰的产率提高到91.7%。
The structures of these compounds were determined as friedelin(1), 5 hydroxymethyl furaldehyde(2), limonin(3), nomilin(4), daucosterol(5)by spectral methods.
经光谱数据的分析，分别鉴定为木栓酮（1）、5羟甲基糠醛（2 ）、柠檬苦素（3）、闹米林（4 ）及胡萝卜苷（5 ） 。
The formation, measurement of 2 furaldehyde and 5 hydroxymethyl 2 furaldehyde in date and their influences on the dry date were discussed.
还讨论了红枣中糠醛和5羟甲基呋喃甲醛的形成、测定及其对干枣品质的影响。
The formation, measurement of 2 furaldehyde and 5 hydroxymethyl 2 furaldehyde in date and their influences on the dry date were discussed.
还讨论了红枣中糠醛和5羟甲基呋喃甲醛的形成、测定及其对干枣品质的影响。
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