The European Union is a leading patron for the introduction of renewable energy, having set a target that renewable sources will represent at least 27% of total energy Arm Chairs consumption by the year 2030.Presently, the most significant Croatian renewable resource is hydropower, which is presently at its peak and will not develop further because

The article analyses the problems coax splitter of ecology and realization of sanitary-epidemiological requirements in construction, which play a significant role in the development of urban planning.It used such methods as studying current works in the given field and revealing practical examples of provision of Jeans sanitary-epidemiological secu

The recommendation system based on graph neural network is the current research hotspot of data mining applications.The recommendation performance can be improved by combining the graph neural network on the heterogeneous information network(HIN).However,the existing HIN-based recommendation methods often have problems that cannot effectively expla