RESEARCH ON THE DEVELOPMENT STRATEGY OF PINGDINGSHAN IRON AND STEEL INDUSTRY CLUSTER WITH WUGANG COMPANY AS THE CORE

Research on the development strategy of Pingdingshan iron and steel industry cluster with Wugang Company as the core

Arouse the great potential of the industrial clusters will play a significant role in promoting the development of local WuGang company.The article takes the Pingdingshan City as the research object, who is a typical resource-based city and develops on the basis of the local resources of coal and iron ore, the core enterprise WuGang Mountaineering

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Distribution of the gill parasite Discocotyle sagittata (Monogenea: Polyopisthocotylea) in parr of Atlantic salmon Salmo salar and sea trout S. trutta in Norwegian rivers

The monogenean gill parasite Discocotyle sagittata is reported from parr of Atlantic salmon Salmo salar and sea trout S.trutta in button up the anadromous part of 86 out of 223 Norwegian rivers.The prevalence in each river varied from 1.5% to 88.9%.This study has significantly increased our knowledge about the occurrence of this salmonid parasite i

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