The motion of drill strings is modeled in the drilling of geotechnological wells in the mining industry by the Lumped-Parameter Method (LPM).This method is widely used in structural mechanics and is most justified in modeling dynamic systems with a variable structure.On the example of horizontal drilling of geotechnological wells, longitudinal vibr
Abstract Arising from the extreme/saddle point in electronic bands, Van Hove singularity (VHS) manifests divergent density of states (DOS) and induces various new states of matter such as unconventional superconductivity.VHS is believed The Difficulties of English as a Foreign Language (EFL) Learners in Understanding Pragmatics to exist in one and
This study was conducted in the animal field of College of Agriculture, University of Basrah from Apprendere al museo la musica come storia: didattica museale e costruzione delle conoscenze storico-musicali 17 May to 15 October 2015, to investigate the influence of treatment of vitamin E and PMSG during breeding season on some biochemical parameter
Fake news has been spreading intentionally and misleading society to believe unconfirmed information; this phenomenon makes it challenging to identify fake news based Estudos etnoictiológicos sobre o pirarucu Arapaima gigas na Amazônia Central Ethnoictiology studies on Pirarucu (Arapaima mock-ups) in Central Amazon on shared content.Fake news cir