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Chemical Engineering: Недавние поступления

Отображаемые элементы 61-80 из 140

Raman Study of Polycrystalline Si3N4 Irradiated with Swift Heavy Ions

Zhumazhanova, Ainash; Mutali, Alisher; Ibrayeva, Anel; Skuratov, Vladimir; Dauletbekova, Alma; Korneeva, Ekaterina; Akilbekov, Abdirash; Zdorovets, Maxim (Crystals, 2021)

A depth-resolved Raman spectroscopy technique was used to study the residual stress profiles in polycrystalline silicon nitride that was irradiated with Xe (167 MeV, 1 × 1011 cm−2 ÷ 4.87 × 1013 cm−2 ) and Bi (710 MeV, ...
Purification of Tomato Bushy Stunt Virus Particles by One-Step Hydroxyapatite Column Chromatography

Tleukulova, Zh.; Stamgaliyeva, Z.; Dildabek, A.; Mukiyanova, G.; Omarov, R.T. (Eurasian Chemico-Technological Journal, 2021)

The main aim of this work was to develop a time-saving and cost-effective purification method of infectious plant viral nanoparticles. Virions of Tomato bushy stunt virus (TBSV), which is a member of Tombusvirus genus, ...
Preparation of Hydrophobic PET Track-Etched Membranes for Separation of Oil–Water Emulsion

Korolkov, Ilya V.; Narmukhamedova, Asiya R.; Melnikova, Galina B.; Muslimova, Indira B.; Yeszhanov, Arman B.; Zhatkanbayeva, Zh K.; Chizhik, Sergei A.; Zdorovets, Maxim V. (Membranes, 2021)

The paper describes the separation of an oil–water emulsion by filtration using poly(ethylene terephthalate) track-etched membranes (PET TeMs) with regular pore geometry and narrow pore size distribution. PET TeMs were ...
Personal protective equipment detection using YOLOv8 architecture on object detection benchmark datasets: a comparative study

Barlybayev, Alibek; Amangeldy, Nurzada; Kurmetbek, Bekbolat; Krak, Iurii; Razakhova, Bibigul; Tursynova, Nazira; Turebayeva, Rakhila (Cogent Engineering, 2024)

Over the past decade, global industrial and construction growth has underscored the importance of safety. Yet, accidents continue, often with dire outcomes, despite numerous safetyfocused initiatives. Addressing this, this ...
Performance of an Integrated Membrane Process with Electrochemical Pre-Treatment on Poultry Slaughterhouse Wastewater Purification

Meiramkulova, Kulyash; Devrishov, Davud; Zhumagulov, Mikhail; Arystanova, Sholpan; Karagoishin, Zhaskhaiyr; Marzanova, Saida; Kydyrbekova, Aliya; Mkilima, Timoth; Li, Jianxin (Membranes, 2020)

Industrial activities produce a variety of pollutants that may not be easily treated using centralized wastewater treatment systems based on a single treatment unit. The variability of the pollutants brings the importance ...
Numerical Modeling of Ammonia-Fueled Protonic-Ion Conducting Electrolyte-Supported Solid Oxide Fuel Cell (H-SOFC): A Brief Review

Rahman, Md. Mosfiqur; Abdalla, Abdalla M.; Omeiza, Lukman Ahmed; Raj, Veena; Afroze, Shammya; Reza, Md. Sumon; Somalu, Mahendra Rao; Azad, Abul K. (Processes, 2023)

Solid oxide fuel cells with protonic ion conducting electrolytes (H-SOFCs) are recognized and anticipated as eco-friendly electrochemical devices fueled with several kinds of fuels. One distinct feature of SOFCs that ...
Modification of PET Ion-Track Membranes by Silica Nanoparticles for Direct Contact Membrane Distillation of Salt Solutions

Korolkov, Ilya V.; Kuandykova, Azhar; Yeszhanov, Arman B.; Güven, Olgun; Gorin, Yevgeniy G.; Zdorovets, Maxim V. (Membranes, 2020)

The paper describes desalination by membrane distillation (MD) using ion-track membranes. Poly(ethylene terephthalate) (PET) ion-track membranes were hydrophobized by the immobilization of hydrophobic vinyl-silica ...
Modelling and Simulation of Heat Exchanger with Strong Dependence of Oil Viscosity on Temperature

Kurmanova, Dinara; Jaichibekov, Nurbolat; Karpenko, Anton; Volkov, Konstantin (Fluids, 2023)

The heating of oil and oil products is widely used to reduce energy losses during transportation. An approach is developed to determine the effective length of the heat exchanger and the temperature of the cold coolant ...
Methods for Modeling and Optimizing the Delayed Coking Process in a Fuzzy Environment

Orazbayev, Batyr; Dyussembina, Elmira; Uskenbayeva, Gulzhan; Shukirova, Aliya; Orazbayeva, Kulman (Processes, 2023)

Technological objects and processes are often characterized by fuzzy initial information necessary for developing their models and optimization. The purpose of the study is to develop a method for synthesizing linguistic ...
Methods for Developing Models in a Fuzzy Environment of Reactor and Hydrotreating Furnace of a Catalytic Reforming Unit

Orazbayev, Batyr; Zhumadillayeva, Ainur; Orazbayeva, Kulman; Kurmangaziyeva, Lyailya; Dyussekeyev, Kanagat; Iskakova, Sandugash (Applied Sciences, 2021)

Methods for the development of fuzzy and linguistic models of technological objects, which are characterized by the fuzzy output parameters and linguistic values of the input and output parameters of the object are ...
Magnetic Properties of the Densely Packed Ultra-Long Ni Nanowires Encapsulated in Alumina Membrane

Tishkevich, Daria; Vorobjova, Alla; Shimanovich, Dmitry; Kaniukov, Egor; Kozlovskiy, Artem; Zdorovets, Maxim; Vinnik, Denis; Turutin, Andrei; Kubasov, Ilya; Kislyuk, Alexander; Dong, Mengge; Sayyed, M. I.; Zubar, Tatiana; Trukhanov, Alex (Nanomaterials, 2021)

High-quality and compact arrays of Ni nanowires with a high ratio (up to 700) were obtained by DC electrochemical deposition into porous anodic alumina membranes with a distance between pores equal to 105 nm. The nanowire ...
Machine Learning for the Communication Optimization in Distributed Systems

Kazhmaganbetova, Zarina; Imangaliyev, Shnar; Sharipbay, Altynbek (International Journal of Engineering & Technology, 2018)

The objective of the work that is presented in this paper was the problem of the communication optimization and detection of the issues of computing resources performance degradation [1, 2] with the usage of machine ...
Low-Dose Radiation Exposure with 56MnO2 Powder Changes Gene Expressions in the Testes and the Prostate in Rats

Fujimoto, Nariaki; Amantayeva, Gaukhar; Chaizhunussova, Nailya; Shabdarbayeva, Dariya; Abishev, Zhaslan; Ruslanova, Bakhyt; Zhunussov, Yersin; Azhimkhanov, Almas; Zhumadilov, Kassym; Petukhov, Aleksey; Stepanenko, Valeriy; Hoshi, Masaharu (International Journal of Molecular Sciences, 2020)

To investigate the biological effects of internal exposure of radioactive 56MnO2 powder, the major radioisotope dust in the soil after atomic bomb explosions, on male reproductive function, the gene expression of the ...
LLM-Powered Natural Language Text Processing for Ontology Enrichment

Mukanova, Assel; Milosz, Marek; Dauletkaliyeva, Assem; Nazyrova, Aizhan; Yelibayeva, Gaziza; Kuzin, Dmitrii; Kussepova, Lazzat (Applied Sciences, 2024)

This paper describes a method and technology for processing natural language texts and extracting data from the text that correspond to the semantics of an ontological model. The proposed method is distinguished by the ...
Kinetic and Isotherm Study of As(III) Removal from Aqueous Solution by PET Track-Etched Membranes Loaded with Copper Microtubes

Russakova, Alyona V.; Altynbaeva, Liliya Sh.; Barsbay, Murat; Zheltov, Dmitriy A.; Zdorovets, Maxim V.; Mashentseva, Anastassiya A. (Membranes, 2021)

This paper reports on the synthesis and structure elucidation of track-etched membranes (TeMs) with electrolessly deposited copper microtubes (prepared in etched-only and oxidized polyethylene terephthalate (PET) TeMs), ...
Comparative Analysis of Swirl Burner and Cross Jet Burner in Terms of Efficiency and Environmental Performance

Zhumagulov, Mikhail G.; Dolgov, Maxim V.; Baubek, Askar A.; Gribkov, Alexander M. (Journal of Combustion, 2023)

Te article contains a comparative analysis of two types of burners used in diferent methods of fuel-air mixture preparation: (1) vortex mixing and (2) mixing with transverse jets. Te analysis was carried out in order to ...
Ion-Track Template Synthesis and Characterization of ZnSeO3 Nanocrystals

Dauletbekova, Alma; Akylbekova, Aiman; Sarsekhan, Gulnaz; Usseinov, Abay; Baimukhanov, Zein; Kozlovskiy, Artem; Vlasukova, Liudmila A.; Komarov, Fadey F.; Popov, Anatoli I.; Akilbekov, Abdirash T. (Crystals, 2022)

ZnSeO3 nanocrystals with an orthorhombic structure were synthesized by electrochemical and chemical deposition into SiO2/Si ion-track template formed by 200 MeV Xe ion irradiation with the fluence of 107 ions/cm2 . The ...
Investigation of the Structural Changes and Catalytic Properties of FeNi Nanostructures as a Result of Exposure to Gamma Radiation

Borgekov, Daryn B.; Zdorovets, Maxim V.; Shlimas, Dmitriy I.; Kozlovskiy, Artem L. (Crystals, 2020)

The paper presents the results of changes in the structural characteristics, and the degree of texturing of FeNi nanostructures close in composition to permalloy compounds as a result of directed modification by gamma ...
Installation of Bored Piles with a Protective Silicate Shell of a New Design in Saline Silty-Clayey Soils

Unaibayev, Bulat B.; Unaibayev, Bulat Zh.; Alibekova, Nurgul; Sarsembayeva, Assel (Applied Sciences, 2021)

Designing advanced methods of corrosion protection and increasing the bearing capacity of pile foundations on saline clayey soils is a priority geotechnical task in Kazakhstan. The formation of a suffusion-resistant ...
Innovative Technologies for Producing Foam Concrete Products Using Solar Energy

Aruova, Lyazat; Dauzhanov, Nabi; Tokmyrza, Batyrkhan; Utkelbaeva, Aizhan; Shashpan, Zolaman (International Journal of Engineering & Technology, 2018)

An energy efficient technology and a method for the production of foam concrete products have been developed. They involve the use of solar energy in the process in order to reduce energy consumption for heat treatment, ...

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