What was neat about it is before that time, the predominant species to use for air conditioning or refrigeration was ammonia.
在这之前是很整洁的,之前最主要的用于空调或者冰箱的,物质是氨。
And in fact, Skinner explicitly made the analogy from the natural selection of species to the natural selection of behavior.
实际上,斯金纳也确实明确地,对物种的自然选择,同行为的自然选择进行过类比。
For both John of the book of Revelation and for John Milton, it's the superior male of the species that's been singled out for the glorious practice of sexual abstinence.
对约翰的《启示录》和弥尔顿来说,是男人在人类中的优越地位,让禁欲的实行被挑选出来了。
There is a Darwinian semiotics, understanding the relationships among species in semiotic terms.
达尔文主义的符号学,用符号学来研究物种间的关系。
So we'll have an iron oxide species. It's a solid.
那么我们有氧化铁,它是固体。
You're taking advantage of a promoter system, or a gene activation system, that this species knows about because adult animals can make milk.
我们之所以能利用这个启动子系统,或者称之为可以被这一物种识别的,基因活化系统,是因为成年动物可以泌乳
They knew the techniques for grafting and improving, and domesticating species of grapes and olives particularly.
他们知道植物嫁接和改良的工艺,和为葡萄和橄榄培育良种的技术
We don't have two different species of hydrogen here, so the electrons are perfectly shared.
我们没有两个不同源的氢原子,所以电子很好的而得到了平分。
What you are born with or were born with, as species, is all we have.
作为人的物种,只有与生俱来的东西。
While other species," he notes, "may have voice, may have sounds and be able to distinguish pleasure and pain, Logos speech"--logos is his word for it.
他注明,“虽然其它动物也许能发声,也许有音调能区分出愉悦与痛苦,“辩论能力“或他所用的词汇。
Then we got into more deliberate hunting of animals, larger species were hunted and then you started to see humans eating things like mammoth, deer, horse, bison, and reindeer.
我们开始有意识地狩猎捕食,我们开始捕杀巨大的物种,于是你能发现人类食用大型动物,比如猛犸象,鹿,马,野牛及驯鹿
This was something we could not predict using Lewis structures, but we can predict using MO theory that we have a radical species here.
这是我们从Lewis结构里不能预测的,但我们可以用分子轨道理论,预测自由基。
And the idea of this--What that means is that development of an individual mimics or repeats development of the species.
这个短语的意思是,个体的发展,模拟或重演了种族的发展
Student: My question's not exactly like that one, but in other animals do they is there similar ? data on other species?
我的问题跟刚刚那个不太一样,其他物种,他们会否,其他物种是否有类似的情况?
Because only atomic hydrogen has that set of lines which means I could then take the spectra of gas phase species and use that information to identify.
我在这抬头看看然后离开,那就是氢原子,那就意味着,我可以测定,气相种类的光谱并且运用那个信息来鉴定。
Millions of humans affected by Alzheimer's disease, other species don't get Alzheimer's disease.
上百万人受阿尔茨海默氏症的侵扰,其它物种并不会得这种病
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