他认为在，硼的下面也有个元素。

He said there should be an element under boron.

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实验确定了硼的最大吸收波长及氧化镁中硼含量的测定方法。

To measure the boron content in magnesia, the most absorption wavelength of boron had been determined.

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丹·艾罗塔·贝尔正计划将淡水与含盐加硼的地下水混合来毒化土壤。

Dan Errotabere is planning to mix fresh water with salty, boron-tainted groundwater, in effect poisoning his soil.

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So in the case of boron here, what we're starting with is the ion, and now we're going to pull one more electron out.

那么在硼的情况下，我们应该从这个离子开始，现在我们要再拿走一个电子。

麻省理工公开课 - 化学原理课程节选

So, if we want to think about what the first ionization energy is of boron, what you want to do is write out the electron configuration, because then you can think about where it is that the electron's coming out of.

如果我们要考虑,硼的第一电离能，你首先要做的是写出它的电子排布，因为在这之后,你才能知道拿走的是哪里的电子。

麻省理工公开课 - 化学原理课程节选

So, we have beryllium in the first case here, it has four electrons, that's how we know it's beryllium, boron has five electrons.

那么我们将铍作为第一个例子，它有四个电子，这也是我们为什么能知道它是铍的原因，硼有五个电子。

麻省理工公开课 - 化学原理课程节选