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But Yum Brands responded in a very interesting way when the call to remove trans fat first came out.
但百胜餐饮集团对撤除反式脂肪酸的号召,刚一出台时的回应十分有趣
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where all the beats, the b-generation in the 50s gathered and they used to sell banned books.
那里全是50年代时的反传统一代留下的书，那些书当时是禁书。
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You might have thought before we started talking about molecular orbital theory that non-bonding was the opposite of bonding, it's not, anti-bonding is the opposite of bonding, and anti-bonding is not non-bonding.
你也许在我们讨论分子轨道之前,就想过非成键时成键的反面，它不是，反键才是成键的反面，反键不是非成键。
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Again, when you see that partially hydrogenated oils on an ingredient list, that means there's Trans fat.
当成分表出现"部分氢化油"时,就意味着含有反式脂肪
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And what we see here is now when we're combining the p, we have our 2 p x and our 2 p y orbitals that are lower in energy, and then our pi anti-bonding orbitals that are higher in energy.
这里我们看到,当我们结合p轨道时，在低能处我们有,2px和2py轨道，π反键轨道在更高的能级处。
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When we talk about anti-bonding, 1sb essentially we're taking 1 s a and now we're subtracting 1 s b, sigma1s and what we end up with again is sigma 1 s, and the important thing to remember is to write this star here.
当我们讨论反键时，本质上我们是用1sa减去，最后我们得到，记住这里有个星。
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But of course, there can be abuse of these when the food industry puts stuff in foods it doesn't really need to be there, and then they overstate the value of them and we'll talk about that, what's reasonable and what's not as we go through the class.
但是,当食品工业在食物中加入了,原本并不需要的成分,并夸大其作用时,自然也会反受其害,随着课程的深入,我们会探讨其中哪些合理,哪些不合理
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