酶活力是指酶催化某一化学反应的能力,其大小可以用在一定条件下它所催化 的某一化学反应的反应速度(reaction velocity)来表示。酶催化的反应速度用单位时 间内单位体积中底物(substrate)的减少或产物(product)的增加量表示,反应速度 大,酶活力...
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眼肌是整个身体肌肉中反应最快的肌肉,反应速度超过每秒100次。
The eye muscle is the fastest reacting muscle of the whole body. It contracts in less than 1/100th of a second.
与此同时,核反应的作用会耗尽结构为{+7}的锂元素。 如果核反应在超对称性的宇宙空间中进行,那么核反应的速度就能快于在标准模式控制下的宇宙空间中的反应速度。
Meanwhile, reactions that deplete {+7}Li should also have proceeded faster in a supersymmetric universe than in one that is governed only by the Standard Model.
他补充道,“二氧化碳的反应比蒸汽快一点,但比不上氧气的反应速度。”
He added: "CO2 is a little more reactive than steam but not as reactive as oxygen."
So, when I threw that thing up and you caught it, what you are doing mentally was immediately figuring out where it started and at what speed.
所以当你接住我抛出的物体时,你大脑里的反应就是,立刻弄清它的初位置以及初速度
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