Remember that these cells are relatively large compared to bacteria and so diffusion doesn't occur very quickly over this length scale.

要知道这些细胞相对细菌而言,还是比较大的,扩散作用在这种尺度上,发生得不是那么快

耶鲁公开课 - 生物医学工程探索课程节选

But the idea is--the clip is to make the point that the fear will extend to a rabbit, a white rabbit.

但关键是，这段影片试图说明,恐惧是会扩散到小白兔身上去的。

耶鲁公开课 - 心理学导论课程节选

And if you had a motor here that was causing a paddle to move up and down you could cause waves to form at one end of the tank and move from left to right.

如果在水槽里放个发动器,来让水上下起伏,波浪形成于,水槽的一端,然后从左向右扩散。

麻省理工公开课 - 固态化学导论课程节选

Movement down a concentration gradient occurs fairly rapidly over short distances like a micron or so, like the size of a bacterium.

顺浓度梯度扩散在一微米左右的短距离内,相当迅速,一微米相当于一个细菌的大小

耶鲁公开课 - 生物医学工程探索课程节选

I think maybe the concluding lesson the central banks were institutions that emerged out of experience with bankers.

新工具的迅速扩散,我认为也许结论就是,中央银行是银行主。

耶鲁公开课 - 金融市场课程节选

How successful was the cotton boom, how important was the cotton boom, what is the relationship between the spread of slavery, the spread of cotton, and power?

棉花业的兴盛是如何的成功,如何的重要,奴隶制的传播,与棉花业的兴盛,以及权利的扩散之间有什么关系

耶鲁公开课 - 美国内战与重建课程节选

You say, "Why shouldn't I fear the proliferation of meaning?

你会说：“我为什么不应该害怕意义的扩散？

耶鲁公开课 - 文学理论导论课程节选

It varies with the square of distance so it goes - in order to go twice as far it takes four times as long.

速度是与距离的平方正相关的--,如果要扩散两倍的距离要多花四倍的时间

耶鲁公开课 - 生物医学工程探索课程节选

Molecules are produced here and they flow directly over, usually by diffusion, to the neighboring molecule.

这里产生的分子,通常是以扩散的方式,直接到达临近的分子

耶鲁公开课 - 生物医学工程探索课程节选

The question is: how can these rating agencies manage the current distrust that has developed?

问题是,这些评级机构该如何应对,当前已然扩散的不信任感呢

耶鲁公开课 - 金融市场课程节选

Moreover, this fear extended to other things.

而且这种恐惧还会扩散到其他的事物上。

耶鲁公开课 - 心理学导论课程节选

These released particles can now go on and infect neighboring cells, they can travel in the bloodstream to infect cells at a distance and the virus spreads throughout a multicellular host.

这些释放出的病毒颗粒,可以继续感染邻近的细胞,它们可以随着血流去感染远距离的细胞,于是病毒可以在多细胞宿主体内全面扩散

耶鲁公开课 - 生物医学工程探索课程节选

The lesson is, I think, that we have a glamour-city phenomenon-- that excitement about real estate prices-- centered in places like Los Angeles, but it's spreading and becoming more and more of a national phenomenon and that's the bubble.

我想,教训就是,一种"魅力之都"现象,刺激了房地产的繁荣,起始于像洛杉矶这种城市,随后广为扩散,逐渐演变成一种全国性的现象,这就是泡沫

耶鲁公开课 - 金融市场课程节选

Diffusion mixes things very well, but as the size gets bigger, diffusion becomes very slow.

扩散作用使物质充分混合,但随着细胞变大后,扩散作用就捉襟见肘了

耶鲁公开课 - 生物医学工程探索课程节选

These details aren't important, it is described in your book, but the thing that is important to know is that diffusion occurs fast over short distances, but because of the physics of diffusion it occurs slowly over longer distances.

这些具体细节无关轻重,书上都有,重点是你要明白,距离越短扩散越快,由于扩散现象的物理特性,距离越长扩散越慢

耶鲁公开课 - 生物医学工程探索课程节选

This is a mechanism by which an electrical signal comes here, it gets translated into a chemical signal, the chemical diffuses across the gap and reinitiates a - an electrical signal in the next cell and that's one way that it happens.

这就是电信号产生的机理,电信号翻译成化学信号,化学物质扩散过突触间隙,重新激起下个细胞中的电信号,这是一种方式

耶鲁公开课 - 生物医学工程探索课程节选

But, part of the reason I think is, globalization is creating a global culture and the excitement and enthusiasm that we once saw in isolated cities, like Los Angeles, are spreading out and are seen more and more around the world.

不过,我认为原因之一是,全球化塑造了全球性的文化,原来只存在于单个城市,例如洛杉矶,的狂热与激情,扩散到了全世界各地

耶鲁公开课 - 金融市场课程节选

In general, inside of a cell molecules move by a process called diffusion.

总的来说,细胞内的分子通过扩散作用来移动

耶鲁公开课 - 生物医学工程探索课程节选

Because of the physics of diffusion it doesn't go linearly with distance.

由于扩散现象的物理特性,它和距离不是线性相关的

耶鲁公开课 - 生物医学工程探索课程节选

But in any event, the vaccine is intended to stimulate the immune system to produce an effector response— either antibodies or specific cells— that can combat spread of the microorganism through your body.

但无论如何,疫苗是通过,刺激免疫系统来使身体产生应答,无论是抗体还是特定的细胞,都可以阻止微生物在体内扩散

耶鲁公开课 - 生物医学工程探索课程节选

It refers to usually 'receptors' that are fixed in a cell, on a cell membrane, and 'ligands' which are dispersed throughout the body and free to diffuse around, and occasionally will find the cell.

受体这个词通常代表了,固定于细胞表面的分子,而配体分散于体内各处,能够自由扩散,它们偶尔会与细胞邂逅

耶鲁公开课 - 生物医学工程探索课程节选

So controlling the dose is really important and that's going to turn out to be very important in cancer therapy because these are very potent drugs that will have bad effects in other sites and you want to localize them where they want, so we're going to talk about that.

控制药物剂量非常重要,特别是在癌症的治疗当中,这一点尤为重要,因为这些药物效力强大,会对其他部位产生不良影响,你不能使药物扩散到别的组织,这就是我们要讲的问题了

耶鲁公开课 - 生物医学工程探索课程节选