Although sea and ocean waves have been widely acknowledged to have the potential of providing sustainable and renewable energy, the emergence of a self-sufficient and mature industry is still lacking.An essential condition for reaching economic viability is to minimise the cost of electricity, as Cutting Board Racks opposed to simply maximising the
In order to further improve the equity financing efficiency of listed companies in strategic emerging industries, this paper selects relevant data of 208 listed companies in strategic emerging industries from 2014 to 2018, and calculates the changes in scale efficiency, pure technical efficiency and total factor productivity through the Data envelo
Music is an integral part of the cultural heritage of all known human societies, with the capacity for music perception and production present in most people.Researchers generally agree that both genetic and environmental factors contribute to the broader realisation of music ability, with the degree of music aptitude varying, not only from individ
This paper presents a situational analysis of the level of life Sunglasses safety in the field of demographic regions of the Ural Federal District.The analysis is based on data from the Federal Statistics and covers the period 2000-2010.We have developed a system of indicators for evaluating safety in the demographic sphere.We set the main threats