Sentence examples for occurrence of groups from inspiring English sources

The existence of modules, marked by the occurrence of groups of densely connected nodes with relatively fewer connections between these groups [8], provides a natural meso-level description of many complex systems [9].

Recent monitoring of municipal wastewater effluent, urban surface waters, and biota has documented the occurrence of groups of previously unrecognized contaminants.

Flame appearance and detailed measurements confirmed the occurrence of group combustion.

Alternatively, the occurrence of group G blooms might have resulted from their recent introduction into Lake Kasumigaura from previously unexplored sources.

Occurrence of Group II sequences was limited to organisms in a small group of genera of methanogenic Archaea, and six genera of eubacteria.

Here, we adopted Cole's criteria [31] and incorporated a broad spectrum of clinical phenotypes, making thus the occurrence of group misclassification unlikely.

This adaptive explanation – i.e. the 'selfish herd' model – has been used to explain the widespread occurrence of grouping in many animals as a predator avoidance strategy [reviewed in refs. 25], [26].

Possibly the occurrence of group members getting cancer during surveillance affected other group members.

Despite the rare occurrence of group C streptococci in human infections, a high death rate is reported for invasive infections (7 – 9 ).

To compare the occurrence of group A and B strains in wine, a PCR assay was developed to detect specifically group A or B strains with two couples of primers targeting specific genes of each group.

The absence of group II introns in most of the analyzed glycerids as well as its presence in the outgroup species Nephtys sp. shows evidence that the occurrence of group II introns inside the cox1 gene of the here analyzed annelid species results from separate events.