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The aim of this work is to study the existence of solutions to a class of fractional differential equations with a mixed of fractional integral boundary conditions involving the Hilfer fractional derivative. The proof is based on Monch's fixed point…

This work investigates measurements and simulations of a 2.25 kWp grid-connected amorphous photovoltaic power plant mounted on a parked car in a hot desert environment. This power station is located at applied research unit field (URAER), in the…

Background: Vitamin D deficiency has widely spared among different ages and become a major community health problem. What’s more, increased the rates of hypovitaminosis D in the sunniest areas of the world, such as Libya which considered as the most…

Background: Vitamin D deficiency has widely spared among different ages and become a major community health problem. What’s more, increased the rates of hypovitaminosis D in the sunniest areas of the world, such as Libya which considered as the most…

The Global Positioning System (GPS) is at present used for the location and the synchronization of the ground, marine and air meteorological measurements as well as for wind measurements. In the first part of the paper, are presented results of…

The Global Positioning System (GPS) is at present used for the location and the synchronization of the ground, marine and air meteorological measurements as well as for wind measurements. In the first part of the paper, are presented results of…

The study aimed to measure the impact of economic reform policies that were applied in the financial sector on inflation rates in Sudan during the period (1990-2020) using the autoregressive Distributed lags Model (ARDL), and it concluded that there…

The study aimed to measure the impact of economic reform policies that were applied in the financial sector on inflation rates in Sudan during the period (1990-2020) using the autoregressive Distributed lags Model (ARDL), and it concluded that there…

In this article, the study is based on the effect of initial steam curing using solar energy on the mechanical characteristics of concrete for precast concrete production. During the early hours of heating, the concrete reaches the minimum strength…

The transformation of knowledge, digitization, electronic planning and computer engineering is one of the most prominent areas in the new knowledge patterns in keeping with the epistemology of scientific modernity, where language has exceeded its…
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