• This is the idea that a patentshould be given to a machine or something that creates a material change, like a chemical process.

    VOA: special.2010.07.16

  • I can take an insulated box, and I can have a chemical reaction in that insulated box.

    里面进行着化学反应,比如说把一个药店。

    麻省理工公开课 - 热力学与动力学课程节选

  • I figured Chemical Engineering would be the best way to get into it because it's a really broad major.

    我发现化学工程应该是接触新能源的最好方式,因为这个专业覆盖面也很广。

    学习化学专业的原因 - SpeakingMax英语口语达人

  • The National Institutes of Health says levodopa is a chemical found naturally in plants and animals.

    VOA: special.2009.04.07

  • To ask questions like how much heat is released in a chemical reaction that takes place at constant temperature.

    当我们想要知道,当一个化学反应在恒定的温度下发生时,会放出多少热量时。

    麻省理工公开课 - 热力学与动力学课程节选

  • The chemicals form when amino acids react with creatine, a chemical found in muscles.

    VOA: special.2010.06.01

  • These are actually all examples that we'll talk about in freshman chemistry at some point, as an example of a connection between a chemical principle we learn, and what we can know about how it functions.

    作为联系一个我们,所学的化学原理,和我们能知道它,如何工作的例子。

    麻省理工公开课 - 化学原理课程节选

  • Cholinesterase inhibitors may work by protecting a chemical messenger needed for brain activities.

    VOA: special.2009.09.15

  • All of them could potentially be receiving signals from a ligand or a chemical.

    它们全都能接收,由配体或某种化学物质传递的信号

    耶鲁公开课 - 生物医学工程探索课程节选

  • The cells slowly lose their ability to produce a chemical called dopamine.

    VOA: special.2009.04.07

  • You could be a chemical engineer.

    你就可能成为一个化学工程师。

    麻省理工公开课 - 固态化学导论课程节选

  • The polymer was a chemical product that formed the basis for Kevlar.

    VOA: special.2010.02.09

  • Is it a chemical?

    还是化学制品呢

    耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

  • Glyphosate is a chemical used in Round-Up and other weed killing products.

    VOA: special.2010.04.27

  • Generally, there are a couple of elements that one might set down as in a Petri dish, and wait to see if some chemical reaction might take place, but not at all sure of what it might be.

    一般来说,都有几个元素,作者会把它们像放入培养基中一样培养,等待某种化学反应的产生,但对可能的结果却一无所知。

    普林斯顿公开课 - 人性课程节选

  • The inside is treated with urea, a chemical commonly used as fertilizer.

    VOA: special.2010.03.15

  • So recently we also set up a meeting with the new director of undergraduate studies in chemical engineering and

    最近我们还和化学工程本科部的新主任开了一次会,

    请支持一下社团小组 - SpeakingMax英语口语达人

  • In the study, researchers tested curcumin, a chemical compound taken from turmeric.

    VOA: special.2010.06.01

  • This conversion from a mechanical energy into a chemical energy can be nicely visualized when one fills a hair cell with a sensitive die that responds to the calcium ions that influx into the cell.

    如果在毛细胞中注入,对钙离子敏感的物质,可以精确地模拟,这一机械能到化学能的转化过程。

    斯坦福公开课 - 7个颠覆你思想的演讲课程节选

  • Here is her opinion on why people like chocolate so much: "Well,scientists tell us that we all love chocolate because there's a chemical response that takes place in our brains.

    VOA: special.2010.02.17

  • So, in talking about covalent bonds, we should be able to still apply a more general definition of a chemical bond, which should tell us that the h 2 molecule is going to be lower in energy than if we looked at 2 separate hydrogen atom molecules.

    那么,既然提到了共价键,我们应该还可以,给化学键下一个更普遍的定义,那就是告诉我们氢分子能量应该更低,与两个分开的氢的单原子分子相比。

    麻省理工公开课 - 化学原理课程节选

  • Soap is made from a chemical reaction called saponification.

    VOA: special.2011.03.09

  • Now, if you're an engineer, and you use the ideal gas law to design a chemical plant or a boiler or an electrical plant, you know, a steam plant, you're going to be in big trouble.

    比如说锅炉,蒸汽机,我们会遇到一个大问题:,我们设计的机器将无法运作,因为对大部分实际气体。

    麻省理工公开课 - 热力学与动力学课程节选

  • Next,the stone is covered with a chemical mixture.

    VOA: special.2009.09.02

  • Some proteins can be switched from an 'off' position where they don't do anything to an 'on' position where they now do something by only a chemical reaction like this where a phosphorous is added.

    一些蛋白质可以从关闭状态的,无所作为,到成为开启状态后,执行某种功能,中间只发生了一个引入磷酸基的化学反应

    耶鲁公开课 - 生物医学工程探索课程节选

  • Dopamine is a chemical that produces pleasure.

    VOA: special.2010.03.09

  • Don't worry about how they work in the immune system, but what if you could manufacture antibodies then you could make a chemical, an antibody, that is capable of binding to a specific other chemical and you could use that for things.

    别管它们在免疫系统内是怎么工作的,只要考虑能不能制造抗体,那么假设你能制造这种化学物质 抗体,抗体又能够同其他特别的化学物质结合,你就可以让抗体为我所用

    耶鲁公开课 - 生物医学工程探索课程节选

  • She is a chemical engineer, a medical doctor,a college professor, and in 1992, was the first African-American woman astronaut to go into space.

    VOA: standard.2010.03.26

  • 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

  • It performs a chemical reaction on the protein, taking a phosphorous from ATP and moving that phosphorous onto the protein.

    它能够催化蛋白参与如下反应,即将ATP上的一个磷酸基团,转移到蛋白质上

    耶鲁公开课 - 生物医学工程探索课程节选

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定