香期

1

这种结构对油性香精具有非常好的留香作用，最长保香期为96天，耐洗48次。

These nets can absorb and store oiliness spice well , longest storing time is 96 days and the most times washed are 48 .
2

麝泌香盛期麝香腺超微结构和麝香分泌研究

Study on ultrastructure of musk gland and musk secretion
3

5新梨7号与香梨花芽期总氨基酸的变化趋势相似，但不同年份有一定差异。

And Fragrant Pear in flower bud period were similar .
4

大兴安岭地区杜香不同采集期精油和熊果酸的含量均不同，二者的最高含量均出现在果实成熟的8月份，在生产中其采集期可适当放宽。

The content of essential oil and ursolic acid was not same in different collection period of the species . Their content was the highest in August when fruit was mature . The collection period can widen during the yield .