Background: The preventive role of fluoride in caries control is mainly due to the formation of fluorapatite crystals which are more resistant to acid attack.Glass ionomer cement (GIC), its newer modifications, and certain composites in which fluoride has been incorporated show fluoride release.Aim: This research aims to compare the initial fluorid
Mechanical effect of clay under the acid-base action: A case study on montmorillonite and illite
To study the mechanical effect of clay under acidic and basic conditions, typical clay minerals, montmorillonite and illite, were taken as the main research objects in this study.The variation law and mechanism of the cohesive force and internal friction angle were studied by immersing the remoulded soil in HNO3 solution with pH = 3 and NaOH (alkal
MORAL EDUCATION ACCORDING TO IBN MISKAWAYH AND AL-GHAZALI
One of the most essential Islamic messages is to instill an excellent character to every human being, according to the guidance of the Prophet Muhammad (peace and blessings of Allah be upon him): "Allah sent me to fulfill akhlaq (morals)".The fundamental message of Islam is to build akhlaq in human life.In Islam, a good character is known as Al-Akh
Optimal Economic Dispatch Strategy for Cascade Hydropower Stations Considering Electric Energy and Peak Regulation Markets
With the evolution of the power market and the increase in the new energy penetration rate, the power industry will present diversified characteristics.The continuous development of the electric energy market (EEM) and the peak regulation market (PRM) is also affecting the economic benefits of cascade hydropower stations, in which the EEM, as a mar