A new trough solar concentrator vegas golden knights background which is composed of multiple reflection surfaces is developed in this paper.The concentrator was analyzed firstly by using optical software.The variation curves of the collecting efficiency affected by tracking error and the deviation angle were given out.It is found that the deviatio

A suitable kinetic model for the consumption of stabilizer (diphenylamine) in click here single base gun propellants was investigated and successfully verified.The model assumes that a reaction of shifting order can be applied for the consumption of diphenylamine in single base gun propellants.It was found that the experimental data were well evalu

Abstract Cenozoic world-class bauxite deposits developed on sedimentary sequences of the Parnaíba and valhalla axys Amazon Basins.The Décio pilot mine, excavated in the Rondon do Pará bauxite deposit, exposes a 3 m thick bauxite-bearing lateritic profile on the top of a 350 m high plateau.From the base to the top, this profile is composed of cla

The author ascertains the death toll among Yermak Cossacks during their acquisition of acure face lotion Siberia.The Synodik to Yermak Cossacks and the early Tobolsk chronicles make it possible to determine that out of 540 associates of the famous ataman, about 200–225 returned to Russia.Apart from Ivan Koltso’s detachment that perished