欧盟资助的一项研究中,意大利热那亚大学的亚历山德罗•波塔罗设计出一种微小型角质蛋白刷毛,他仿照了鸟身上叫做覆羽那种最小的羽毛。
In research funded by the European Union, Alessandro Bottaro of the University of Genoa in Italy has devised small keratin bristles that mimic the smallest type of bird feathers, known as coverts.
哈勃望远镜新摄取的图像没有显示出那里有作为爆炸特征的黑羽碎片,如果确是对象爆炸,那么这些黑羽碎片是会出现的。
The new Hubble images show no dark debris plume, which would have been present if the object exploded.
西汉漆耳杯(羽觞)1986年出土,为一级文物。
Western Han lacquer ear cup (plume beginning) excavated in 1986, for the objects.
出飞后笼养雏鸟的“理翅羽”和“一侧翅下展,同时同侧脚下伸”行为频率最高,分别为18.81%和11.88%。
After leaving nest, the captived youth had two high frequency behavior as 18.81%(to comb the wings) and 11.88%(to stretch down both wing and leg in same side).
对广西不同商业鸡场、不同品种及不同日龄共466羽有呼吸道症状病鸡进行ORT的分离与鉴定,结果共分离出20株ORT;
ORT strains were isolated from 466 chicken samples collected from Guangxi different commercial flocks with respiratory clinic signs by culturing on blood plates.
对广西不同商业鸡场、不同品种及不同日龄共466羽有呼吸道症状病鸡进行ORT的分离与鉴定,结果共分离出20株ORT;
ORT strains were isolated from 466 chicken samples collected from Guangxi different commercial flocks with respiratory clinic signs by culturing on blood plates.
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