小兴安岭森林落叶分解与土壤动物的作用。
Decomposition of forest defoliation and role of soil animals in Xiao Hinggan Mountains.
延胡索酸对瘤胃微生物有促进作用,可能提高纤维的分解,减少氨的生成,因而产生有利动物的作用。
Fumaric acid can enhance rumen microorganisms, with a possibility to increase fiber degradation and reduce ammonia production. These effects favor animal performance.
这些研究发现,抗草甘膦转基因大豆与非转基因大豆不是“实质相同”,而是在它们的性质上、对于实验动物的作用上、在环境影响上,以及农田种植实际表现方面有区别。
The findings show that GM RR soy is not substantially equivalent to non-GM soy, but differs in its properties, effects on experimental animals, environmental impacts, and in-field performance.
此时,尽管绵羊、山羊和牛也会发挥非常重要的作用,马已经成为许多地区人们眼中珍贵的动物。
Here, the horse was already becoming the animal of prestige in many regions, though sheep, goats, and cattle could also play a vital role.
书页通常使用的材料是羊皮纸,羊皮纸是一种动物的皮肤,其在张力的作用下被拉伸和变干,因此它会变得非常平整,并且你可以在上面写字。
The material typically used for the pages was parchment, which is animal skin that's stretched and dried under tension, so it become s really flat and can be written on.
根据我们现有的数据,我们无法确切了解灵长目动物与大型食肉动物之间的相互作用是什么。
With our present data, we don't know what precisely the interactions were between a primate and a big carnivore.
人们提出了许多理论来解释食草动物,如浮游动物,在控制浮游植物高度集中地区的食草动物方面所起的作用。
Many theories have been formulated to explain the role of grazers such as zooplankton in controlling the excluded grazers from regions of high phytoplankton concentration.
食腐动物和细菌的攻击、化学性腐烂,以及侵蚀和其他地质作用的破坏,导致无法保存的可能性非常大。
Attack by scavengers and bacteria, chemical decay, and destruction by erosion and other geologic agencies make the odds against preservation very high.
光合作用减弱导致各种植物大规模减少,进而这首先会使大规模的食草动物饿死,随后就是食肉动物。
The reduced level of photosynthesis led to a massive decline in plant life of all kinds, and this caused massive starvation first of herbivores and subsequently of carnivores.
大多数深海动物依靠颗粒物质作为食物,这些颗粒物质最终来自于光和作用,下降的排放口会使平流的作用相形见绌。
Most deep-sea faunas rely for food on particulate matter, ultimately derived from photosynthesis, falling vent would dwarf any contribution from advection.
来自南佛罗里达大学的西德尼·皮尔斯说:“在地球上,藻类的基因不可能在动物细胞内起作用。”
"There's no way on earth that genes from an alga should work inside an animal cell," says Sidney Pierce from the University of South Florida.
巨噬细胞是在小鼠和其他哺乳动物的免疫系统对细菌等侵入性生物的反应中发挥作用的细胞。
Macrophages are cells that play a role in the response of the immune system of mice and other mammals to invasive organisms such as bacteria.
疫苗也可以通过提供取自动物或人身上的B细胞来发挥同样的作用,从而使我们获得被动免疫。
A vaccine may also give us passive immunity by providing B cells taken from an animal or a human to play the same role.
迄今为止,已知只有家禽在病毒从动物传给人类的传播循环中发挥作用。
To date, only domestic poultry are known to have played a role in the transmission cycle of the virus from animals to humans.
另一种多酚—姜黄素,也表明有保护大脑的作用,可减少因大脑损伤的动物的记忆缺失。
Another polyphenol, curcumin, has also been shown to have protective effects. It reduces memory deficits in animals with brain damage.
有一些动物一旦压力作用于它们的身体时就放松下来。
Some of the animals relaxed once pressure was applied to their bodies.
众所周知它对动物类有抗抑郁的作用(尽管取消不是开玩笑)。
It is known to have antidepressant like effects in animal models (though the withdrawal is no fun).
对于由动物油生成的可再生柴油来说,在高温高压下动物脂肪与氢气作用发生氢化反应。
For renewable diesel made from animal fat, fats are hydrogenated by reacting the tallow with hydrogen under high pressure at high temperature.
他还说:相反,居住在北极地区的哺乳动物长出了一层脂肪,起到了御寒的作用。
Conversely, he said, mammals that live in arctic regions develop a layer of fat to insulate against the cold.
有些杀虫剂对保护人类及动物健康起着至关重要的作用。
Some of the pesticides are essential for protecting human and animal health.
如果你想向我证明咖啡有抗抑郁作用,我想看对传统动物类型的抗抑郁行为方面的作用。
If you want to prove to me that coffee is having antidepressant effects, I want to see effects in traditional animal models of antidepressant activity.
酒精是如何保护伤者的,其作用细节尚不清楚,不过之前的一项动物实验已经得出了乙醇能够防止神经受损的结论。
Exactly how alcohol protects the injured is still not clear. But a past study on animals did find that ethanol protected against nerve damage.
而更可信的是,他将这些斑点的作用解释为:打散动物的视觉外形以便于在森林斑驳的光影下隐藏自身。
More plausibly, he had an explanation for what the spots are for: to break up the animal's shape when it is hiding in the dappled light of the forest.
他补充道,远古时期的羽毛并不用于飞翔,而是起到与其他动物沟通、求偶及取暖的作用。
He added that, since these ancient feathers didn't aid flight, they likely served for purposes of animal communication, mating, and warmth.
而更可信的是,他将这些斑点的作用解释为:打散动物的视觉外形以便于在森林斑驳的光影下隐藏自身。
More plausibly, he had an explanation for what the spots are for: to break up the animal’s shape when it is hiding in the dappled light of the forest.
而对非人类的动物而言,这种移情作用和利他主义的道德相关性究竟何在呢?
But what exactly is the moral relevance of empathy and altruism in non-human animals?
在这些压力以及以及其它一些因素的作用下,大多数哺乳动物很难在短时间内出现体型上的巨大变化。
Given these pressures, and additional ones affecting other animals, it's doubtful that most mammal species will experience much of an overall growth spurt anytime soon.
在这些压力以及以及其它一些因素的作用下,大多数哺乳动物很难在短时间内出现体型上的巨大变化。
Given these pressures, and additional ones affecting other animals, it's doubtful that most mammal species will experience much of an overall growth spurt anytime soon.
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