They observed that for every molecule of carbon dioxide taken in by the plants, they lost forty-four percent less water.
VOA: special.2010.01.26
And you would find that the bond energy of the heteronuclear molecule was nowhere on the average of the two.
你将发现,电子相同的分子的总能量,并不是平分的。
And in this case, the tie-breaker goes to the molecule in which the negative charge is on the most electronegative atom.
而在这种情况下,我们需要进行“附加赛“,也就是看看分子中带有负的,形式电荷的原子是不是电负性最高的。
Harris Perlman says the suicide molecule halted and even reduced rheumatoid arthritis in seventy-five percent of mice in the study.
VOA: special.2010.03.16
And, likewise, if we look at fluorine in its diatomic molecule, it is 160 kilojoules per mole.
一样的,如果我们观察二价的氟,它是每摩尔160焦。
He developed what he calls a suicide molecule that acts like the protein which tells cells to self-destruct.
VOA: special.2010.03.16
It tells you what kind of molecule it is andgives you twovariables that are state variables You could have the volume and the temperature.
告诉你它是哪种分子,还给你了两个状态变量,它们可以是体积或温度。
However,each time a plant takes in one molecule of carbon dioxide gas, it loses hundreds of water molecules.
VOA: special.2010.01.26
So, now you have a single molecule, very large molecule, with not just two binding sites but with ten binding sites.
所以如果你体内有一个细胞,一个体积很大的细胞,细胞表面不只有两个抗原结合位点,而有十个抗原结合位点
The researchers note,however, that they could also be seeing evidence of another molecule,hydroxyl.
VOA: special.2009.09.30
We can say that a nonpolar molecule you can have as a result of two different conditions.
所以你可以说非极性分子,有两种构成方式。
They noted,however, that they could also be seeing evidence of another molecule,hydroxyl.
VOA: special.2009.12.30
So if we add them all up, there should be no net charge on the molecule, if the molecule is neutral.
因此如果我们把它们都加起来,这个分子上应该没有净电荷,如果这个分子是中性的话。
Professor Perlman developed what he calls a suicide molecule.
VOA: special.2010.05.19
PROFESSOR: No. So, compared to the atoms, it should be somewhat the same energy, we shouldn't get any extra stabilization from forming the molecule.
不会,所以和原子相比,它的能量相同,形成分子并不会带来额外的稳定性。
When the skin samples were heated to 48 degrees, they produced this capsaicin-like molecule into a solution.
VOA: standard.2010.05.04
This is the fact that we occupy a finite volume in space, because they're little hard spheres in this molecule.
这是由气体分子在空间中,占据有限体积造成的,因为事实上它们是硬的小圆球。
But if a medication can block the capsaicin-like molecule from reaching the neuron, it could stop the brain from ever registering there was any pain to begin with.
VOA: standard.2010.05.04
And because, of course, we have this carbon here what you end up doing is adding a carbon to your molecule.
因为,当然,我们这里有一个碳,接下来需要做的就是在你的分子中再加上一个碳。
One would stop the body from producing the capsaicin molecule.
VOA: standard.2010.05.04
Now, chlorine I have to do a little bit more heavy lifting here because chlorine starts as a diatomic molecule.
现在,对于氯,我将会做更多的说明,因为氯元素起初存在于双原子分子中。
That's not what I do. I work with actors," "My proposal to the actors was: 'okay,we're going to be in a room we're going to do this strange thing, but every molecule of what you create will be what your character does.
VOA: standard.2009.12.19
we know that h is always terminal, right after the molecule that it's attached to.
我们知道氢原子永远都在末端,放到和它成键的分子的后面。
The center of excess negative charge on all of the dipoles is at the very center of the molecule.
多出来的键,的负电荷中心都集中在,分子的正中间。
So that means that the more stable molecule is going to be this molecule here, which actually puts the negative charge on be more electronegative atom.
因此这意味着更稳定的分子,应该是这一个,它真正把负的电荷放到了,电负性更高的原子上。
So, she is interested in how this molecule, gemcitabine, inhibits an enzyme. So, to do those studies, she needs to know a lot of the stuff on this list.
她对这个分子,二氟脱氧胞嘧啶核苷怎么抑制酶很感兴趣,要做这些研究。
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
It's easy to know what nucleotide to put in each position as you're going along and polymerizing a new molecule.
这使得复制过程中决定下一个核苷酸位点,应该用哪一个核苷酸更为容易
What's hanging off of the side of this long molecule that's formed by polymerizing nucleotides are - is this base unit.
在这条由多聚核苷酸,构成的长链分子,一侧悬挂着碱基单位
It's going to be a stronger bond because it's more stabilized when it when it comes together as a molecule.
这将是一个更强的键,因为它会变得更加稳定,在形成分子之后。
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