Sentence examples for classification of elements from inspiring English sources

Relationships were discerned more readily among the compounds than among the elements; it thus occurred that the classification of elements lagged many years behind that of compounds.

In fact, no general agreement had been reached among chemists as to the classification of elements for nearly half a century after the systems of classification of compounds had become established in general use.

The indefinite inner product 〈 ⋅, ⋅ 〉 K on a Krein space K gives rise to a classification of elements of K.

Classification features of individual nodes in complex network, role requirements in network organization, and relationship classification of elements of network organization are potential driving force [ 33].

Fig. 1 Classification of NCL elements according to their references to/from other elements.

One group contains the LTR- Gypsy elements, the second contains LTR- Copia elements and the third contains the LINE elements, all strongly supported by high posterior probabilities, thus confirming the classification of these elements.

Since the similarity seen here is below 80%, we consider PtIFG7-3 a distinct but related element to PtIFG7 and PtIFG7-2, although we note that classification of these elements into classes and families is confused by the level of divergence among them.

After separating the elements into families, we study the phylogenetic relationship between these families, and extend the current classification of BEL/Pao elements.

The triad was the earliest atomic-weight classification of the elements.

The existence of francium was predicted by Russian chemist Dmitry I. Mendeleyev in his periodic classification of the elements.

This theory proved highly fruitful for later investigations of atomic weights, atomic theory, and the classification of the elements.