He calls it "cow power to horsepower." Leonhardt says the challenge is to cost-effectively remove impurities from the manure-derived methane.
VOA: standard.2010.02.23
We ended the day with Bohr's model of the atom, which derived from the conceptualization of Rutherford.
那天课的结尾我们讲了从卢瑟福的概念中,衍生出来的波尔的原子模型。
They're derived from a precursor called triacylglyceride, which is as glycerol molecule with three fatty acid chains dangling off of it.
它们来源于一种叫三酰甘油的前体,由甘油分子上连接了,三个脂肪酸链构成
If one follows a diet that would be derived from the glycemic index; you're likely to have a pretty healthy diet.
如果一个人遵循基于血糖指数的饮食计划,你会得到一个相当健康的饮食
We can't actually go ahead and derive this equation of the wave function squared, because no one ever derived it, it's just an interpretation, but it's an interpretation that works essentially perfectly.
从这个方程中,导出,波函数的平方,没有人可以这样做,这仅仅是一种解释,但这种解释,能解释的很好,自从它第一次被提出来之后。
Once you get a formula, you've got to always remember the terms under which the formula was derived.
使用公式时,你一定不能忘记,公式使用的前提条件
OK, so here is just an engine like what we've already seen, and I'm going to specify that this is a Carnot engine which is to say all the results that we just derived hold for this case.
这一个热机,跟我们以前见过的差不多,我们把它确定为,卡诺热机,所以我们之前得到的结果都对它适用。
We said the third movement was dance derived, but in this case with Beethoven it's a very strange dance if it is dance derived.
我们说过,第三乐章是由舞曲衍生的,但贝多芬这第三乐章里,这舞曲很怪异,如果它的确是由舞曲衍生的话
Exactly, and society derived a lot of benefit and pleasure from watching Michael Jordan play.
确实是,社会也从中得到了很多好处,欣赏迈克尔·乔丹打球,乐在其中。
The trouble with the etymology of theory and the way in which the word has been used traditionally is that sometimes it actually means practice, and then at other historical periods it means something very different from practice, something typically from which practice is derived.
理论这个词在词源,和传统的使用方法上的复杂之处在于,它有时候指的是实践,但在特定的历史时期,它指的是和实践非常不同的东西,也就是实践产生的依据。
Those are obvious what the differences are, embryonic stem cells are derived from embryos .
这些名称就明确揭示了它们之间的区别,胚胎干细胞是源自于胚胎
That is, this is derived in the case for reversible paths.
即这些都是通过利用可逆过程推导出来的。
Many of them are derived from cholesterol and they're hydrophobic, which means they can penetrate through cell membranes.
多数分子都来自于胆固醇,它们是疏水性的,这意味着它们能够穿过细胞膜
Its molecules are pieces of molecules often derived from foreign pathogens which stimulate an immune response.
它通常是从激发免疫反应的,外源病原体中分离出的碎片
What we'll--later in the course we'll talk about how much of your body has been influenced by corn; how much of your diet is influenced by corn; how many products you touch in a given day have been derived in some way from corn.
我们会在以后的课堂上讲到,玉米对你身体有多少影响,玉米对你的日常饮食又有多少影响,一天之内你接触到的产品,有多少是由玉米加工而来的
Steroid hormones, on the other hand, molecules like testosterone and estrogen, progesterone, the sex steroids that determine sexual characteristics and are important for reproductive function are molecules that are all derived from a similar source.
另一方面,类固醇类激素,像睾丸激素,雌激素,黄体酮这样的分子,性激素决定了性征,它对生殖功能十分重要,这类分子有着相似的来源
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