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  • 它是由“自身电离”这一过程形成的。

    It is formed by a process of "self-ionization".

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  • 为了使三联体结合 Mg2+,必须电离药效团生物等位体。

    For the triad to bind the Mg2+, a pharmacophore bioisostere has to be ionized.

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  • 耐辐射奇球菌作为DNA损伤和修复的典范生物,是对电离辐射最有抵抗力的细菌。

    Deinococcus radiodurans, as a model organism in DNA damage and repair, is the most resistant bacterium to ionizing radiation.

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  • 人们是如何暴露在电离辐射下的?

    Are people normally exposed to ionizing radiation?

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  • 经常你们会被问到关于电离能。

    So, oftentimes you'll just be asked about ionization energy.

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  • 对,好,我们再找最低的电离能。

    Yeah. OK. We're looking for the lowest ionization energy.

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  • 它炫目的色彩归功于电离氢。

    Its color is due to ionized hydrogen.

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  • 那么让我们来比较一下它们的电离能。

    So let's compare those ionization energies.

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  • 例如,我能观察锂的电离。

    For example, I could look at the ionization of lithium.

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  • 我们可以计算这的电离能。

    So, we can now calculate the ionization energy here.

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  • 电离能,我们知道也就是,负的结合能。

    The ionization energy, of course, is just the negative of the binding energy.

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  • 让我们来看一下电离能最低在中间的情况。

    Let's take a look at the lowest ionization energy in the center case.

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  • 红色部分来自电离氢。

    The red is from ionized hydrogen.

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  • 我们绝不会见到一个,电离能是负值的情况。

    We will never have a case where ionization energy is negative.

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  • 因此,我们把电离能,最低的原子放在中间。

    So, we keep the atoms with the lowest ionization energy in the center.

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  • 我们能够计算电离能。

    And we can calculate the ionization energy.

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  • 因此,按照电离能,我们应该把硫放在中间。

    So, in terms of ionization energy, we would expect to see sulfur in the middle.

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  • 人类每天都暴露在电离辐射下。

    Human beings are exposed to natural radiation on a daily basis.

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  • 为了达到最大效率,表面活性剂必须高度电离。

    For maximum effectiveness, the surfactant heads should be highly ionized.

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  • 我们知道结合能,总是负的,电离能总是正的。

    We know that binding energy is always negative, ionization energy is always positive.

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  • 什么是电离辐射?

    What is ionizing radiation?

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  • 我们的电离能将等于,入射能量,减去电子的动能。

    Our ionization energy is going to be equal to the incident energy coming in, minus the kinetic energy of the electron.

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  • 人们可能会因为核事故释放的小剂量电离辐射而致癌。

    People can get cancer from low doses of ionizing radiation, the kind released in a nuclear accident.

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