The back pressure at the outlet of supersonic cyclone separator usually causes aerodynamic shock wave in Laval nozzle, and the interaction of supersonic flow, shock wave and phase transition is very complicated.In order to explore the supersonic flow properties of wet gas under the action of shock wave, study was performed on the methane-water vapo
Clogging during excavation is one of the common problems in mechanized exm1996 excavation.Among the influential factors in clogging of the cutter head, we can mention the percentage of fine soil particles (under 200 mesh sieve), soil moisture, and soil type.In this study, to investigate the mechanism of tunnel excavation in the laboratory, a tunnel
The People of Peukan Bada generally work as fishermen.The ships used by the Peukan Bada people are generally wooden material.The capture fisheries sector in the Peukan Bada area flexcon reverse osmosis water storage tank is currently still small in scale.This can be seen from the type of fishing gear used by ships operating in the waters of Peukan
The purpose of this study is to investigate the relationship between poverty and carbon emissions in South Africa covering the period between 1994 and 2020.The study employed the ARDL bounds le boudoir de luna cognac test to assess the existence of a long run relationship between the variables.The results evidenced existence of a long run relations
Sicily is a Mediterranean island with an exceptional natural heritage, where gypsum outcrops are widespread and associated with an endemic flora.These ecosystems are prioritized by the European Habitats Directive (Mediterranean gypsum steppes, 1520*) in the Mediterranean Basin.Some studies have revealed the physiological mechanisms in gypsophile pl