好吧，我们对化学反应的极限有那些了解呢？
Well, what do we know about extremes of chemical reactivity?
我总是设想其他地方的极限生命能够运用比我们想象的更多的化学元素。
I've always assumed extraterrestrial life in exotic places USES an even broader array of exotic chemistry than we can imagine.
众所周知金刚石是一种在机械、热学、光学、化学、电子学等方面具有极限性能的特殊材料。
Diamond is one kind of limited functional material in the region of mechanics, thermology, optics, chemic and electronics.
工人每天接触不至于产生不良反应化学介质的空气浓度的极限值。
Limit Value Air concentration of chemical substances to which workers may be exposed to daily without adverse effect.
单原子的结构是个基本极限：若要做得更小，基本上就得操控原子核了，这可是把一种化学元素转换为另一种。
A structure the size of an atom represents a fundamental limit: to make anything smaller would require manipulating atomic nuclei—essentially, transmuting one chemical element into another.
本文讨论了物理化学中的几种研究方法，如科学抽象法、理想模型法、本质揭示法、极限外推法、相对数值法和控制变量法等。
This paper discussed a few research method about physical chemistry, such as scientific abstract, ideal mode, essential show, limit inference, relative number, variable control and so on.
传统的化学法和生化法几乎达到技术极限，处理效果很难提高。
Conventional biochemical treatment has reached its technical limit and is hard to improve its treatment effectiveness.
传统的化学法和生化法几乎达到技术极限，处理效果很难提高。
Conventional biochemical treatment has reached its technical limit and is hard to improve its treatment effectiveness.
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