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Comparative Study for Grinding of Two Cement Clinkers
Ibrahimi, Soumaya,Jamaa, Nejib Ben,Mliki, Khaoula,Bagane, Mohamed Korea Concrete Institute 2011 International Journal of Concrete Structures and M Vol.5 No.2
The purpose of this work is the comparative study for grinding of two cement clinkers. X-ray fluorescence, physical and granulometric tests and optical microscopy were used to characterize the clinkers. Also grinding tests were carried out for ten samples to determine the parameters influencing grindability of its clinkers. The results of calculation of the energies of grinding according to the law developed by Von Rittinger and the study of the microstructure of the two clinkers shows good agreements. Indeed, frequent clusters of belite which indicate a lack of uniformity and fineness have an effect on lowering the grindability. The obtained analyses and the results enabled us to interpret the granulometry and the microstructure of clinker to control quality and resistance.
Comparative Study for Grinding of Two Cement Clinkers
Soumaya Ibrahimi,N jib Ben Jamaa,Khaoula Mliki,Mohamed Bagane 한국콘크리트학회 2011 International Journal of Concrete Structures and M Vol.5 No.2
The purpose of this work is the comparative study for grinding of two cement clinkers. X-ray fluorescence, physical and granulometric tests and optical microscopy were used to characterize the clinkers. Also grinding tests were carried out for ten samples to determine the parameters influencing grindability of its clinkers. The results of calculation of the energies of grinding according to the law developed by Von Rittinger and the study of the microstructure of the two clinkers shows good agreements. Indeed, frequent clusters of belite which indicate a lack of uniformity and fineness have an effect on lowering the grindability. The obtained analyses and the results enabled us to interpret the granulometry and the microstructure of clinker to control quality and resistance.
Breast Cancer in Morocco: A Literature Review
Slaoui, Meriem,Razine, Rachid,Ibrahimi, Azeddine,Attaleb, Mohammed,El Mzibri, Mohammed,Amrani, Mariam Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.3
In Morocco, breast cancer is the most prevalent cancer in women and a major public health problem. Several Moroccan studies have focused on studying this disease, but more are needed, especially at the genetic and molecular levels. It is therefore interesting to establish the genetic and molecular profile of Moroccan patients with breast cancer. In this paper, we will highlight some pertinent hypotheses that may enhance breast cancer care in Moroccan patients. This review will give a precise description of breast cancer in Morocco and propose some new markers for detection and prediction of breast cancer prognosis.
An effective and smart corrosion inhibitor in acidic environment: Experimental & theoretical studies
Asmae Bouoidina,Rajesh Haldhar,Rajae Salim,Elhachmia Ech-chihbi,Hamza Ichou,Fadoua El-Hajjaji,김성철,Brahim El Ibrahimi,Savas Kaya,Mustapha Taleb 한국화학공학회 2023 Korean Journal of Chemical Engineering Vol.40 No.1
The application of corrosion inhibitors is the best way to protect metals from degradation. Therefore, the P-anisidine molecule was investigated as a corrosion inhibitor for mild steel in a 1 M HCl medium. This study used different methods, such as electrochemical impedance spectroscopy, polarization potentiodynamic curves, scanning electron microscopy, and theoretical method. The addition of this molecule to the aggressive medium achieved inhibition of 81% at a concentration of 10−3M. The potentiodynamic polarization curves reveal a mixed type character (anodic and cathodic) and adsorb on the metal surface according to Langmuir adsorption isotherm. This adsorption was also proved by scanning electron microscopy proving the presence of a protective layer on the steel surface used. The theoretical results confirmed the experimental part and showed that P-anisidine adsorbed parallel onto the steel surface covering a large surface area.