December 2021
Since the mid-nineteenth century, petroleum has been the world’s primary energy source, and it has played a critical role in the economy and effective home management. The petroleum goods and allied services are required for daily use and as a medium of exchange. It exists as a liquid, gaseous,...
This paper investigates the existence of positive solutions for the sixth-order boundary value problem with three variable parameters: −u(6) + A(t)u(4) + B(t)u′′ + C(t)u = uφ + f(t, u, u′′), 0 < t < 1 −φ′′ + λφ = µg(t, u(t)), 0 < t < 1 u(0) = u(1) = u′′(0) = u...
En République Démocratique du Congo, les gestionnaires de ce pays viennent d’instaurer le Registre des Appareils Mobiles afin de lutter contre le vol des appareils mobiles en bloquant les appareils déclarés volés ; lutter avec sérénité contre la contrefaçon des appareils en déconnectant ceux...
This study was conducted with the objective of studying the effect of adding four levels of alfalfa plant powder on the performance of broiler chicks and on the weights of the carcass cuts (thighs, wings, and chest, Neck and back) and on the characteristics of some of the internal organs (...
Education of preschool children is a very important stage in life. Many studies have confirmed that the critical period for creativity development is between the ages of three and five. Preschool children's creativity can be enhanced through the creation of an environment and the inspiration of...
A series of isothermal adsorption experimental data of Xiayukou#11 coal sample in Shaanxi Hanchengmine is transformed into the isosteric adsorption data through a temperature-pressure-adsorption equation. The adsorption enthalpy is calculated by the Clausius-Clapeyron equation. Because the lnP~1...
Protected areas are an important means for the conservation of environmental systems. They have been used for this purpose since the nineteenth century, but it was only in the twentieth century that they became famous, mainly due to the influence of international organizations such as the...
This study is ascertained to assess the students’ academic performance in relation to their personal and socioeconomic profile. The descriptive - correlational research design was utilized in determining the relationship of the profile variables and academic performance of the eighty-two (82)...
In the petroleum industry pressure-volume-temperature (PVT) analysis and behavior of oil & gas condensate reservoirs depend on pressure, volume, fluid composition, temperature, and behavior in the phase envelope. The best way to calculate the performance of a reservoir, one of the key...
The regulation of journalist competence in the Press Council Regulation is defined as knowledge ability without any confirmation for journalists who have knowledge of certain disciplines. This means that all journalists who come from any discipline may be recognized as journalists who have the...