元素组合(element association)是能反映地质体、矿化体或研究对象地球化学特征的一组指示元素。
元素组合的频率分布可以发现能够惟一确定数据的复合元素。
Frequency distributions of element combinations may find compound elements that do uniquely determine the data.
这些草图很快而且粗糙,目的是想得到一些元素组合的想法。
These sketches are quick and rough in order to get some idea of the composition of the elements.
更有用的是,您可以将它与其他元素组合,以支持更复杂的输出和过滤。
More usefully, you can combine it with other elements in order to support more complex output and filtering.
So here, I'm going to have delta H, is just the sum for all the products of delta heat of formation right? Here I'm going to put together all the products. So this is a positive heat of formation.
所以这里△H就是所有生成物的,生成热的和,对吧?这里,我要把元素组合成所有这些,生成物,所以这里是正的生成热。
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