This paper builds a complex network of weighted and directed coal trade based on the international coal trade data in the United Nations trade database from 1999 to 2018, specifically analyzes the trade scale, trade relations, and trade distribution and other characteristics of international...

"This book explores how green production refers to a process by which management and technological approaches are used to minimize and control the amount of pollutants produced during industrial production processes and how the purpose of GP is to conserve energy, reduce energy consumption, and...

"This book explores how green production refers to a process by which management and technological approaches are used to minimize and control the amount of pollutants produced during industrial production processes and how the purpose of GP is to conserve energy, reduce energy consumption, and...