• 一个有用的反应半衰期

    A very useful quantity is the half-time for the reaction.

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  • 现在我们看看这个一阶反应半衰期

    Now, we also can usefully look at the half life, in this case, in the case of first order kinetics.

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  • 反应完全熔解后,会释放另一种危险物质- 137。铯- 137的半衰期30

    Cesium-137, with a half-life of 30 years, is another dangerous substance emitted in a full-scale nuclear meltdown.

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  • 聚集反应冷却水中,通常微量排放环境中,半衰期12

    It accumulates in the cooling water of nuclear reactors and is often vented in small amounts to the environment. Its half-life is 12 years.

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  • 半衰期实际上,一半反应消失时间

    So, the half-life is just the time that it takes for half of the reactants to disappear.

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  • 半衰期实际上,一半反应消失时间

    So, the half-life is just the time that it takes for half of the reactants to disappear.

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