查询词典 avian

It could draw a conclusion that the Bt crystal proteins had the effect of prevention and treatment of avian coccidiosis and improved the growth of chicken.

试验表明，苏云金杆菌晶体蛋白对雏鸡球虫病有防治作用，并有促进雏鸡生长的作用。

In a word, we thought that strain BT6 was the especially effective on avian coccidiosis in all the 15 strains.

所有结果证明，苏云金杆菌BT6是鸡球虫的敏感高效菌株。

Avian coccidiosis is an infectious and deadly parasitosis which infects chickens.

鸡球虫病是一种感染鸡的传染性的、致死性的寄生虫病。

To study the effect of nematode-induced forest succession on avian communities, we chose three forest types at different seral stages, including evergreen broad-leaved coppice infested by the pine wood nematode for five years and evergreen broad-leaved forest infested for 12 years, both from Xiangshan County, Zhejiang, and one 40-year-old evergreen broad-leaved forest from Tiantong National Forest Park, Zhejiang.

为了探讨在松材线虫侵袭所引起的森林演替过程中植被结构变化对鸟类群落的影响，我们研究了这此常绿阔叶演替林中的鸟类群落结构。2004年5-6月，我们在浙江省宁波市选择了分别处于3个不同演替阶段的7个样地：包括象山县被松材线虫侵袭5年后的常绿阔叶灌丛和侵袭12年后的常绿阔叶林样地各3个，同时在天童国家级森林公园选择了约40龄的常绿阔叶林样地1个。

Three batches of bivalent inactivated oil adjuvant vaccine to avian infectious coryza were produced and the safety and efficacy of them were also evaluated in this study.15 chickens were injected intramuscularly with 4-5 mL vaccine,there was no significant sign to be observed,and no lesions on the injecting spot after 2 weeks.

应用3批鸡传染性鼻炎二价油乳剂灭活疫苗进行了安全性和近期免疫效力检验，安全性试验采用15只鸡进行，胸肌注射疫苗4～5 mL/只后，逐日观察，结果鸡只食欲、精神未见异常，2周后观察，注射部位未发现明显异常和病变。

In particular, the morphology and distribution of the feathers on Liaoning dromaesaurids, among other features, strongly suggest that dromaeosaurids might have been able to parachute or even glide, representing a group of transitional animals between the cursorial non-avian theropods and volant birds.

尤其重要的是，通过分析辽宁奔龙类化石保存的羽毛形态和分布情况，本文认为这些动物可能具有降落甚至滑翔能力，它们代表地栖的非鸟类兽脚类恐龙和会飞的鸟类之间的过渡类型。

The 'Dinosaur-trees-down' hypothesis, which combines the dinosaurian origin of birds and the arboreal hypothesis of avian flight, is thus well collaborated.

恐龙下树的假说结合了鸟类起源于恐龙的学说和鸟类飞行的树栖起源学说，因此也得到了化石证据的支持。

As the oldest avian-line archosaur, Asilisaurus demonstrates the antiquity of both Ornithodira and the dinosaurian lineage.

但其真正的意义在于年代早，这表明，我们对恐龙和飞龙演化的最早阶段仍然知之甚少。

Song learning and production in birds involve a discrete set of interconnected song nuclei in the avian brain.

鸟类的发声和发声学习涉及处于脑中不同水平的相互联系的一些发声核团。

Shanghai Expo site ; avian community ; diversity ; environmental factor

上海世博园；鸟类群落；多样性；环境因子

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。