那些在被和好斗老鼠关在一起之前没有跑步的老鼠的大脑视前内测核的神经元的活性要低得多。

The animals that had not run before moving in with the mean mice showed much less neuronal activity in these portions of the brain.

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在加拿大，如果一座核反应堆要取得经营执照，运营方就必须向加拿大核安全委员会(CNSC)提供一份“安全报告”。

For a nuclear reactor to be licensed in Canada its operators have to provide a "safety story" for the Canadian nuclear safety Commission (CNSC).

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中国和国际原子能机构承诺要相互合作，改善东亚的核安全。

China and the International Atomic Energy Agency have pledged to work together to improve nuclear security in East Asia.

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So, she is interested in how this molecule, gemcitabine, inhibits an enzyme. So, to do those studies, she needs to know a lot of the stuff on this list.

她对这个分子，二氟脱氧胞嘧啶核苷怎么抑制酶很感兴趣，要做这些研究。

麻省理工公开课 - 化学原理课程节选

So even though we see a nodal plane down the center, I just want to really point out that it's only when we have a nodal plane in the internuclear or the bond axis that we're calling that a pi orbital.

虽然在中间有个节面，我想要指出的是,只有节面在核间轴,或者键轴上时,我们才叫它π轨道。

麻省理工公开课 - 化学原理课程节选

Then we're going to actually use MO theory to describe bonding within these molecules, and we'll start with homonuclear diatomic molecules.

然后我们要利用MO理论,来描述这些分子内的成键，我们要讨论同核双原子分子。

麻省理工公开课 - 化学原理课程节选