The dietary protein to energy ratio (P/E) has proven influence utilization and/or growth in several fish species. This study intended unravel the bioavailability and metabolic fate of lysine methionine gilthead seabream (Sparus aurata) juveniles fed plant diets with different P/E ratios. Seabream were two isonitrogenous (45% crude protein) differing lipids (20 14%): LowP/E ( <math xmlns="http:/...

In Beijing, China, the rational consumption of energy is affected by the insufficient linkage mechanism of the energy pricing system, the unreasonable price ratio and other issues. This paper combines the characteristics of Beijing’s energy market, putting forward the society-economy equilibrium indicator R maximization taking into consideration the mitigation cost to determine a reasonable pri...