Applying design patterns is considered a Shirt helpful technique for designing software systems.Patterns description, however, results not sufficiently precise providing a weak understanding and making it difficult to be certain when a pattern is being used correctly.We have formally specified a metamodel where properties of patterns and object-ori
The review contains a brief analysis of the results of investigations conducted during 40 years after smallpox eradication and directed to study genomic organization and evolution of variola virus (VARV) and development of modern diagnostics, vaccines and chemotherapies of smallpox and other zoonotic orthopoxviral infections of humans.Taking into a
The reasonable allocation of water resources runs through the main links of regional water resource planning and management, which is a complex decision-making issue, ensures the sustainable development and utilization of water resources, and makes a greater contribution to the sustainable development of social economy.In this paper, evolutionary g
Paper or cardboard with porous surfaces have been transformed into oil- and water-resistant surfaces by coating them with nano-PET to fill the pores and increase their ability to absorb oil while keeping the fibers from swelling.Experimental results show that using PET nanoparticle solution as coating for cartoon have a strong effect on its mechani