查询词典 preen gland

When we conducted a chemical assay of the uropygial preen gland secretions, we found 4 times more volatile octadecanol, nonadecanol, and eicosanol in ratios in males than in females, making them putative male pheromone candidates.

在这篇文章中，研究人员选取全世界最为广泛的笼养鸟和模式实验鸟－虎皮鹦鹉作为实验对象，利用传统的双向选择和GC-MS分析方法，证明鸟类确实存在"性信息素的通讯"。

Female birds also showed overt preferences for the odor of male preen gland secretions or the 3-alkanol blend equivalent preened onto the plumage of a male over that of female counterparts.

另一方面，以往认为尾脂腺在鸟类中主要起到羽毛防水和折射不同波长光的作用，化学研究上也主要集中在对尾脂腺分泌的蜡脂成分的分析上。

In another test device with visible male bird stimulus, females chose the male with the 3-alkanol blend of males over the other male with female preen gland secretion, whereas did not differentiate their responses between the males with either this blend or male preen gland secretions.

正如论文评阅人所说：尽管很久以来就推测有些鸟的尾脂腺可能产生性信息素，但是该论文第一次提供了这类信息素组成的实验证据，也为以后的同类研究提供了参考方法。

When we conducted a chemical assay of the uropygial preen gland secretions, we found 4 times more volatile octadecanol, nonadecanol, and eicosanol in ratios in males than in females, making them putative male pheromone candidates.

在这篇文章中，研究人员选取全世界最为广泛的笼养鸟和模式实验鸟－虎皮鹦鹉作为实验对象，利用传统的双向选择和GC-MS分析方法，证明鸟类确实存在&性信息素的通讯&。

When we conducted a chemical assay of the uropygial preen gland secretions, we found 4 times more volatile octadecanol, nonadecanol, and eicosanol in ratios in males than in females, making them putative male pheromone candidates.

在这篇文章中，研究人员选取全世界最为普遍的笼养鸟和模式实验鸟－虎皮鹦鹉作为实验对象，利用传统的双向选择和GC-MS分析方法，证明鸟类确实存在&性信息素的通讯&。

When we conducted a chemical assay of the uropygial preen gland secretions, we found 4 times more volatile octadecanol, nonadecanol, and eicosanol in ratios in males than in females, making them putative male pheromone candidates.

在这篇文章中，研究人员选取全世界最为普遍的笼养鸟和模式实验鸟－虎皮鹦鹉作为实验对于象，利用传统的双向选择和GD-MS分析方法，证明鸟类确实存在&性信息素的通信&。

Female birds also showed overt preferences for the odor of male preen gland secretions or the 3-alkanol blend equivalent preened onto the plumage of a male over that of female counterparts.

另外一方面，以往认为尾脂腺在鸟类中主要起到羽毛防水和折射不同波长光的效用，化学研究上也主要集中在对于尾脂腺排泄的蜡脂成分的分析上。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。