化学技术与冶金大学
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作者:Azamat Yessengaziyev , Almagul Ultarakova , Bagdaulet Kenzhaliyev ...
来源:[J].Journal of Chemical Technology and Metallurgy, 2019, Vol.54 (5)UCTM
摘要:The paper presents the results of a physico-chemical analysis of titanium sludge produced in studies on the extraction of titanium dioxide and calcium nitrate. The material composition and the main phases of the investigated sludge are determined. According to the results of...
作者:Kairat A. Kadirbekov , Dauren K. Zhambakin , Almaz K. Kadirbekov ...
来源:[J].Journal of Chemical Technology and Metallurgy, 2019, Vol.54 (5)UCTM
摘要:The structures, the compositions and the states of the surfaces of clinoptilolite based systems catalyzing hydrocarbon cracking processes have been studied using modern physico-chemical methods (XPS, SEM, TEM, BET and IR with low temperature carbon oxide adsorption). It has ...
作者:Dimka Ivanova
来源:[J].Journal of Chemical Technology and Metallurgy, 2019, Vol.54 (5)UCTM
摘要:In this investigation three type phosphating concentrates containing zinc, manganese and nickel phosphates in different ratios have been studied. Gravimetric, chemical, electrochemical and physical methods were used to determine the main characteristics of the concentrates a...
作者:Dimitrina Todorova , Kiril Dimitrov
来源:[J].Journal of Chemical Technology and Metallurgy, 2019, Vol.54 (5)UCTM
摘要:This study presents the results from the investigation of the effect of constant magnetic field over the refining process of soft and hardwood pulp suspensions and an evaluation of its white waters and paper samples strength properties. In our experiment were used two types ...
作者:Gergana Alexieva , Anna Amova
来源:[J].Journal of Chemical Technology and Metallurgy, 2019, Vol.54 (5)UCTM
摘要:The acoustic and optical properties of Ag4SSe.2PbTe solid solution are experimentally studied. A low longitudinal acoustic velocity of 2994 m/s is measured while the transverse acoustic wave is found to exhibit a very high attenuation due to viscous losses related to the polycrys...
作者:Rachid Hsissou , Mohamed Berradi , M’hammed Grich ...
来源:[J].Journal of Chemical Technology and Metallurgy, 2019, Vol.54 (5)UCTM
摘要:The study reported aims at synthesis, characterization, development, a viscosimetric and a rheological study of the new pentaglycidyl ether pentaphenoxy phosphoric (PGEPPP) polymer. The initial step refers to the identification of the polymer by Fourier Transform Infrared Spectro...
作者:Andrea Di Schino
来源:[J].Journal of Chemical Technology and Metallurgy, 2019, Vol.54 (5)UCTM
摘要:The high quality standards required for metal forming call for compliance tests aimed to guarantee that such standards are met. Such tests often imply a waste of time and of economic resources. In particular, if stainless steel pipe forming is considered, many factors need to be ...
作者:Omar Dagdag , Mehdi El Bouchti , Omar Cherkaoui ...
来源:[J].Journal of Chemical Technology and Metallurgy, 2019, Vol.54 (5)UCTM
摘要:This work presents the characterization of the thermal and rheological behavior of a new composite materials based on a Diglycidyl Ether of Bisphenol A (DGEBA) epoxy resin reinforced with Triglycidyl-2-Aminothiophenol (TGATP). The hardener used refers to 4,4’-Methylene Diani...
作者:Tatiana Overchenko , Olena Ivanenko , Iryna Trembus ...
来源:[J].Journal of Chemical Technology and Metallurgy, 2019, Vol.54 (5)UCTM
摘要:This paper presents the results of research on the efficiency of reagents for mine water stabilization depending on the conditions of their application, characteristics, type and added amount of the reagents. Estimation of the efficiency of stabilizers of the scale formation was ...
作者:Irena Mihailova , Paunka Vassileva , Dimitar R. Mehandjiev
来源:[J].Journal of Chemical Technology and Metallurgy, 2019, Vol.54 (5)UCTM
摘要:The purpose of this study was to investigate the prospective use of calcareous clay in its natural state and after thermal treatment for removal of heavy metals from aquatic environment. The study included 6 natural products from clay deposits in Bulgaria, five of which were calc...

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