Mineral oil oas ba?adores derived from petroleum is the most preferred liquid insulation and coolant in power and distribution transformers because of its stability at high temperatures, as well as its excellent electrical insulating properties.Since it is non-biodegradable and inflammable, an alternative insulating liquid should be developed, or a

Abstract Background Viruses that have spent most of their evolutionary time associated with a single host lineage should have sequences that reflect codivergence of virus and host.Several examples for RNA viruses of host-virus tree congruence are being challenged.DNA viruses, such as mastreviruses, are more likely than RNA viruses to have maintaine

The promising direction of determine of air drag force is semi-empirical approach based on its approximation by functions that may describe 3 nef runes by the analytical expressions based on the experimental data of ballistic firing individual projectile.Nowadays, this is possible using a computer and does not require significant hardware and solvi