By changing that chemical balance, the clock of aging can be reset.

人体衰老的时钟可以通过改变这种化学平衡予以重新设置。

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For a heart to beat and give life, there must be the right chemical balance of electrolytes.

一颗心脏之所以是跳动的、活着的，是因为电解质刚好达到了化学天平。

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Most lubricants are necessary, to maintain a certain chemical balance, or there is corrosion.

大多没情况下光滑剂是需要的，以便维持某种化学均衡，否者就会有腐蚀。

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Jean Shin made this work, "Chemical Balance,"

VOA: special.2009.07.17

So the point is, this balance between energy thatyou could think of as say bond energies in chemical reactions, and entropy that you can think of in terms of disorder, how many different possible combinations or configurations of something wrong, will dictate where the equilibrium lies.

关键在于，这种能量与熵之间的平衡,确定了平衡的条件，在化学中能量涉及键能，而熵和无序有关,即有多少可能的不同组合或者形位，二者的平衡会告诉我们平衡态是什么样子。

麻省理工公开课 - 热力学与动力学课程节选

Drug companies and researchers are trying to find new drugs to restore the brain's chemical balance -- ones that work more quickly and with fewer side effects than the ones available now.

CNN: Research on depression shows genetic and chemical link

Most strikingly, Mr Gore is interested in science: his famous concern for the chemical balance of environment is matched by similar passions for the Internet, the genome map, new research on learning.

ECONOMIST: 2001: A Gore Odyssey

How to balance a chemical equation?

FORBES: How Can Mainstream Education Meet The Needs of Post-Modern Society?