鲸类

改进了从鲸类陈旧骨骼标本中进行基因组DNA提取和PCR扩增的方法。

The method to extract genome DNA from old skeletal specimens of cetaceans was improved and the PCR amplification reaction was optimized .

PCR扩增Sry基因进行鲸类动物性别的鉴定

Sex Identification of Cetaceans by PCR with Sry-Specific Primers

通过这些分析，希望能够深刻的了解这些MHC基因在鲸类的变异水平，尤其关注那些由选择压力引起的序列变异。

It is expected to have an in-depth understanding on the behavior of these molecules , especially sequence variability possibly caused by selection pressure .

鲸类c-mos基因的序列变异性及在系统发生分析中应用的初步研究

A Preliminary Study on the Sequence Variability of Cetacean c-mos Genes and its Application in Phylogenetic Analysis

结果表明鲸类的c-mos基因遗传变异水平较低。

The result suggested that level of sequence variation of cetacean c - mos genes was low .

每个个体均不多于两种DRA序列，提示鲸类的DRA座位是单拷贝的基因。

No more than two sequences were found in each individual at the DRA locus , strongly suggesting only one DRA locus was amplified in this study .

通过猪等的c-mos基因保守区序列设计了用于扩增鲸类c-mos基因的引物。

Primers for amplifying the cetacean c-mos genes were designed based on the alignment of conservative region of c-mos genes from pigs and some other mammals .

北冰洋的鲸类仍然在遭到猎杀。

Whales are still being hunted and killed in the arctic .

鲸脑结构特征与鲸类认知能力关系的探讨

Relationship between the brain structure and cognitive ability of whales

鲸类动物在休息时减少它们的呼吸次数。

Cetaceans reduce the number of breaths they take during rest periods .

他们认为不必非要杀死鲸类才能进行研究。

They say whales can be studied without killing them .

在集中捕杀鲸类的期间，日本允许出售鲸肉。

Japan is permitted to sell meat collected during these whale hunts .

鲸类动物是否经历梦睡眠还不清楚。

It is not clear whether cetaceans undergo dream sleep .

鲸类微卫星引物对长江江豚的适用性研究

Applicability of cetacean microsatellite primers in the Yangtze finless porpoise

要想了解鲸类的语言，第一步是将它们的声音进行分类。

The first step in understanding whale talk is cataloging the calls .

日本鲸类的研究、饲养、繁殖及水族馆的建设

The Research , Husbandry and Reproduction of Cetacean and Aquarium Construction in Japan

他们认为鱼类数量的减少是人为的，而不是鲸类的原因。

They say decreasing fish populations are caused by people , not whales .

捕猎鲸类是日本的一个文化传统。

Whale hunting is a cultural tradition in Japan .

中国沿岸小型鲸类误捕情况的调查

A survey on the incidental catches of small cetaceans in coastal waters of China

中国鲸类动物的人工饲养

Rearing of cetaceans in captivity in China

吻部钝圆并长很多牙齿的几种小型群居的鲸类哺乳动物。

Any of several small gregarious cetacean mammals having a blunt snout and many teeth .

鲸类动物，正如我们知道的海豚和鲸鱼则是个显著的例外。

A notable exception are the cetaceans , which we all know as dolphins and whales .

为了下一代的福祉，我们必须保护鲨鱼和鲸类。

We need to preserve the sharks and whales for the wellbeing of the future generation .

挪威反对捕杀鲸类的禁令，并且继续捕杀。

Norway objected to the organization 's ban on killing whales and has continued to hunt them .

鲸类动物以及其它海洋生物依靠耳朵来辨别方向。

Which means more dead whales . Cetaceans and other marine life rely on their ears to navigate .

这张照片展示的是一头在鲸类前往其冬季栖息地的秋季迁徙中被捕获的弓头鲸。

This photo shows a bowhead whale that was harpooned during the whale fall migration to their winter grounds .

然而，鲸类想要从陆地迁往咸水区域需改变更多，而不仅仅只是把双腿换成鳍。

Moving from land to salt water requires more changes than simply trading in legs for fins , however .

任何需要呼吸空气的生物，比如鲸类和海豚，面对翻涌的海水空气界面都将难以存活。

Any animal that needs to breathe-such as whales and dolphins-would be hard-pressed to survive in the turbulent sea-air interface .

这个发现将意味着：蛇颈龙不仅在生态系统中占据与鲸类类似的位置，行为也和鲸类类似。

It would mean plesiosaurs not only occupied a similar ecological niche to whales , but behaved like them , too .

日本为捕鲸的人员担心，并且受到在南极地区的鲸类减少的压力。

Japan is anxious about the safty of its whaling crews as it comes under pressure to end culls in the Antarctic .