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That matrix has properties that vary in different locations in the body, but basically it's a highly hydrated or water-rich gel.
这种基质的性质,随其所在身体部位的不同而不同,但基本是高度水合的,即富含水的凝胶
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Why? Bundle of properties: mechanical strength, chemical inertness, ease of fabrication: that's not a unique solution.
为什么，属性的总和：,机械强度，化学惰性，易于制造，那不是独特的解决方法。
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If you make Jell-o and you make it right, then once it's set or gelled, it has mechanical properties.
如果你用正确方法做出了吉露果冻,它一旦凉下来定了型,就有了机械性能
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And when we talk about covalent bonds, there's 2 properties that we'll mostly focus on, and that's going to be thinking about the bond strength or the energy by which it stabilized when it bonds.
而当我们讨论共价键的时候，有两点特性是我们最关注的，那就是键的强度,或者说成键之后能量降低了多少。
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So strings also support things like selection, slicing, and a set of other parameters, other properties. And let's just look at that.
如果我要到这里来的话，就得把这儿注释掉，这里是我已经建立的。
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If it's not, then you're going to have trouble describing it using thermodynamic properties.
如果它不是，那么用热力学性质去,描述它就要有麻烦了。
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So it's which of these partials are sounding within each of these instruments, and the physical properties of each of these instruments are different.
所以是因为每种乐器发出的泛音不同,每种乐器的物理性质,都是不同的
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It's not one of my essential properties that I'm a person.
作为一个人不是我的基本性质之一。
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Hydrogenation is an interesting process and will bring us to the discussion of Trans fat in just a few minutes, but it's basically when you hydrogenate a food you are altering its chemical properties to take a soft fat and make it more solid.
氢化是个有趣的过程并且,一会儿我们将由它引出反式脂肪的话题,但基本上,对食物进行氢化,是在改变食物的化学性质,将软脂酸变为硬脂酸
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Chemical properties: so let's put something up as a hypothesis.
化学性质：,我们先提出一些假设。
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So it's a science that's based on macroscopic properties of matter.
所以它是一门,基于物质宏观性质的科学。
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Since then, since we know about atoms and molecules now, we can rationalize the concepts of thermodynamics using microscopic properties, 62 and if you are going to take 5.62, that's what you'd learn about.
既然我们现在已经知道了原子和分子,的概念），我们可以用,微观属性,来阐释热力学中的概念，如果你会选修5。,-那是你将要学到的。
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But, anyway, let's talk about the properties.
但是，不管怎样，我们谈谈它的特性。
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But you need to be able to predict what kind of properties a certain atom's going to have within a molecule, whether you're talking about something, for example, that's very electronegative, or something that is not electronegative at all, it is going to make a difference in terms of thinking about how molecules are structured and also how they interact with other molecules.
但是你需要能够预言，什么性质,某个原子在分子中能够具有，无论你讨论的是哪一种情况，比如，它有很高的电负性，还是它根本没有电负性，都将会产生影响,对这个分子的结构,以及与其它分子相互作用的情况。
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And there will be a little bit of history in there, but this is mostly modern chemistry and represents the basic properties of matter, and it's basic properties of all matter, including living matter, which was what really interested me, that connection between chemistry and biology.
它们都有一些历史，但都是最现代的化学,代表了物质的最基本的性质，而且是所有物质的最基本性质，包括生物，这个让我很感兴趣，因为它连接着化学和生物学。
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That's one of the properties of mitosis, that the DNA gets completely duplicated during the S phase, during DNA synthesis phase.
有丝分裂的一个特征,就是DNA在S期内完全复制,S期就是DNA合成期
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And we talked about periodicity and properties, so let's go and take a look at what we have and see if we can reconcile this.
现在我们讲一下周期性，我们先看一下我们已经掌握的知识,看看能不能和我们要讲的达成一致。
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So, that's the power of the choice of materials, and why? Properties.
所以，这就是选择物质的力量，为什么呢，因为属性。
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No, it's a bundle of properties.
不，这是属性的总和。
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So, my final example is from Alan Davidson's lab, and Alan is an inorganic chemist -- he loved those transition metals and they're unique properties, and he designed this compound, it's called Cardiolite, Cardiolite and it's used in heart imaging.
最后一个例子是Alan，Davidson实验室，他是个无机化学家-,他喜欢研究过渡金属,和它们的奇特性质，他设计了这种化合物，叫做。
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A primer is a short RNA sequence or DNA sequence that gets sort of the process of replication jump started, and that's just because of the biological properties of DNA polymerase that that primer's needed.
引物是一段短的RNA或者DNA序列,引物是整个复制的起点,因为DNA聚合酶的,生物特性,引物在复制过程是必不可少的
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