Ontology highlight
ABSTRACT:
SUBMITTER: Qi H
PROVIDER: S-EPMC4154736 | biostudies-literature | 2014
REPOSITORIES: biostudies-literature
Qi Hai H An Haizhong H Hao Xiaoqing X Zhong Weiqiong W Zhang Yanbing Y
PloS one 20140904 9
This paper employs an un-weighted and weighted exergy network to study the properties of ferrous metal ores in countries worldwide and their evolution from 2002 to 2012. We find that there are few countries controlling most of the ferrous metal ore exports in terms of exergy and that the entire exergy flow network is becoming more heterogeneous though the addition of new nodes. The increasing of the average clustering coefficient indicates that the formation of an international exergy flow syste ...[more]