In view of the abuse of power by managers in the traditional centralized trading system, a security model without managers for the blockchain-based trading system was proposed, which also solved the problems of unsafe endorsement, untimely trading, low auditing efficiency and dynamic inefficiency caused by the elimination of managers.The proposed s
Abstract Background Appraisal of arid land status is very crucial one to know the extent and factors associated with their degradation.Previous studies from arid regions are mostly qualitative in nature (indicator assessment Mugs For Mom like good, moderate, severe, and very severe) and generally overlooked the significance of temporal fluctuation.
Voltage sag and harmonic pollution have a serious impact on the medium-voltage premium-power-supply-required park represented by optical semiconductors, data storage, precision instruments and biopharmaceuticals.Which makes existing equipment require higher voltage capacity of power electronics, higher economic cost Western Irons and compensation p
This LCD TV paper focuses on the application of the Verhulst logistic equation to model in retrospect the total COVID-19 cases in Senegal during the period from April 2022 to April 2023.Our predictions for April 2023 are compared with the real COVID-19 data for April 2023 to assess the accuracy of Hand Soap the model.The data analysis is conducted