化学技术与冶金大学
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作者:Nikolay Karev , Dimitar Raychev
来源:[J].Journal of Chemical Technology and Metallurgy, 2019, Vol.54 (6)UCTM
摘要:The European Union’s Falsified Medicines (FMD) Directive 2011/62/EU modifies Directive 2001/83/EC to ensure public health by protecting the pharmaceutical supply chain from infiltration by counterfeit medicines. It also introduces new rules to regulate more strictly the supp...
作者:Joseph Tagbo Nwabanne , Christopher Chiedozie Obi
来源:[J].Journal of Chemical Technology and Metallurgy, 2019, Vol.54 (6)UCTM
摘要:The work involves the treatment of abattoir wastewater (AWW) by coagulation technique using snail shell biomass as coagulant. The raw snail shell (RSS) sample and the processed snail shell coagulant (SSC) were analyzed for the determination of the predominant functional groups an...
作者:Alexey Shapovalov , Roman Dema , Olga Kalugina ...
来源:[J].Journal of Chemical Technology and Metallurgy, 2019, Vol.54 (6)UCTM
摘要:To increase the productivity of the agglomeration process, preheating of the charge is proposed. A series of industrial experiments was carried out on the sinter machine No. 1 of the sinter department of JSC “Ural Steel”. The dynamics of the sinter mix temperature during the...
作者:Andrey О. Tolkushkin , Sergey N. Lezhnev , Abdrakhman B. Naizabekov ...
来源:[J].Journal of Chemical Technology and Metallurgy, 2019, Vol.54 (6)UCTM
摘要:The article describes the concept of a new forging method of billets with square and rectangular cross-section in dies, which design allows to develop shear and alternating deformation in the deformable metal. A computer simulation of the billet drawing process in the step-wedge ...
作者:Adeyinka Sikiru Yusuff
来源:[J].Journal of Chemical Technology and Metallurgy, 2019, Vol.54 (6)UCTM
摘要:This research work focuses on the optimization of an eggshell-anthill composite (EAC) adsorbent preparation conditions using a central composite design of the experiment. The effects of EAC preparation conditions (an activation temperature, an activation time and an eggshell/anth...
作者:Valeriy V. Shkatov , Marcin Knapinski , Igor P. Mazur
来源:[J].Journal of Chemical Technology and Metallurgy, 2019, Vol.54 (6)UCTM
摘要:A mathematical model for predicting a critical strain for dynamic recrystallization εc is presented making it possible to take into account the content of chemical elements in the steel. The results of εc prediction are compared with the experimental values of critical strai...
作者:Cleophas A. Loto , Roland T. Loto
来源:[J].Journal of Chemical Technology and Metallurgy, 2019, Vol.54 (6)UCTM
摘要:The inhibition and adsorption effects of Lavandula and Ricinus communis oils on mild steel corrosion in 0.5 M H2SO4 were studied at ambient temperature of 25°C. Gravimetric and potentiodynamic polarization measurement methods were used for the experiments. A Digi-Ivy potenti...
作者:Janna Mateeva , Anna Staneva , Boris Martinov ...
来源:[J].Journal of Chemical Technology and Metallurgy, 2019, Vol.54 (6)UCTM
摘要:The high-temperature ceramic superconductors and nanomaterials are among the most promising groups of materials that are intensively studied. Graphene is a new material with unique electrical, optical and biological properties. The high mobility of graphene charges implies t...
作者:Lev Chernyak , Liubov Melnyk , Natalia Dorogan ...
来源:[J].Journal of Chemical Technology and Metallurgy, 2019, Vol.54 (6)UCTM
摘要:The features of application of varieties of silica components in a raw mixture based on CaO - SiO2 - Al2O3 system for production of white binding material of Roman cement type at the low temperature baking are shown. Intensification of phase transformations in the material a...
作者:Igor Volodin , Pavel Zolotukhin , Alexander Volodin ...
来源:[J].Journal of Chemical Technology and Metallurgy, 2019, Vol.54 (6)UCTM
摘要:The paper advances an experimental method of estimation the effectiveness of lubricants in case of an open-die cavity filling by a metal during extrusion. The technique of the statistical processing of the experimental data and the results of the study of five types of technologi...

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