After analyzing the defects of gross domestic product(GDP) as a statistical indicator, this paper identifies and defines the concept of gross final product(GFP), emphasizing the attribute of GFP as the final product o...After analyzing the defects of gross domestic product(GDP) as a statistical indicator, this paper identifies and defines the concept of gross final product(GFP), emphasizing the attribute of GFP as the final product of a natural process and the actuator of the entire economic system. The paper also investigates the roles of foreign trade, production investment, public goods and private goods in economic growth under the GFP perspective, and explores the possibility for the GFP analytical framework to explain the economic growth process.展开更多
Pyrolysis experiments of a typical printed circuit boards has been carried out under various conditions in a laboratory installation Liquid yield of 15%～21%, gas yield of 15%～20% and solid yield of about 60% were ob...Pyrolysis experiments of a typical printed circuit boards has been carried out under various conditions in a laboratory installation Liquid yield of 15%～21%, gas yield of 15%～20% and solid yield of about 60% were obtained The liquid products had high gross calorific values that might be recycled as fuel oils after simple treatment CO, CO 2 and N 2 were the main constitutes of the gas products Using combustion method, organic carbon of 7% in the solid products could be removed Then the solid products, which contained high purity fiberglass and CaCO 3, could be reused as filling materials in the process of SMC production In addition, the effects of final pyrolysis temperature (FPT) and particle size on pyrolysis products had been investigated The yield of gas products will be increased under high temperature and with powder展开更多
文摘After analyzing the defects of gross domestic product(GDP) as a statistical indicator, this paper identifies and defines the concept of gross final product(GFP), emphasizing the attribute of GFP as the final product of a natural process and the actuator of the entire economic system. The paper also investigates the roles of foreign trade, production investment, public goods and private goods in economic growth under the GFP perspective, and explores the possibility for the GFP analytical framework to explain the economic growth process.
文摘Pyrolysis experiments of a typical printed circuit boards has been carried out under various conditions in a laboratory installation Liquid yield of 15%～21%, gas yield of 15%～20% and solid yield of about 60% were obtained The liquid products had high gross calorific values that might be recycled as fuel oils after simple treatment CO, CO 2 and N 2 were the main constitutes of the gas products Using combustion method, organic carbon of 7% in the solid products could be removed Then the solid products, which contained high purity fiberglass and CaCO 3, could be reused as filling materials in the process of SMC production In addition, the effects of final pyrolysis temperature (FPT) and particle size on pyrolysis products had been investigated The yield of gas products will be increased under high temperature and with powder
