我们通常从动理学中推断出分子反应机制。
我们有一种分子反应了。
在高分子反应中试剂的纯度对反应有很大影响。
In the polymer reaction reagent purity has a great influence on the reaction.
And the reason we didn't do that is because we're actually going to spend much of the rest of the course relating these different properties to the properties of molecules in terms of bonding, and also in terms of chemical reactions.
我们至今没有这样做的原因是,实际上我们这门课程以后的大部分时间都将花在,如何将这些性质与分子的性质联系起来,在成键以及化学反应的方面。
if we have a very electronegative atom within a certain molecule, what you'll actually find is that it does affect how the molecule is going to take place or take part in different chemical or biological reactions.
如果在某个分子中有一个电负性很高的原子,你会发现它确实会影响到,这个分子所起的作用,在不同的化学反应或者生物反应中时。
So, antigens are molecules or pieces of molecules that stimulate an immune response.
所以 抗原是可以激发免疫反应的,分子或分子碎片
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