Results 1 to 10 of about 8,240,197 (162)

NFAD: fixing anomaly detection using normalizing flows [PDF]

PeerJ Computer Science, 2021
Anomaly detection is a challenging task that frequently arises in practically all areas of industry and science, from fraud detection and data quality monitoring to finding rare cases of diseases and searching for new physics.
Artem Ryzhikov, Maxim Borisyak, Andrey Ustyuzhanin, Denis Derkach   +3 more
doaj   +2 more sources

Using machine learning to speed up new and upgrade detector studies: a calorimeter case [PDF]

EPJ Web of Conferences, 2020
In this paper, we discuss the way advanced machine learning techniques allow physicists to perform in-depth studies of the realistic operating modes of the detectors during the stage of their design.
Ratnikov Fedor, Derkach Denis, Boldyrev Alexey, Shevelev Andrey, Fakanov Pavel, Matyushin Leonid   +5 more
doaj   +1 more source

The effect of ammonia activation on the desalination potential of natural zeolite

Chimica Techno Acta, 2023
Despite the abundance of water bodies on Earth, there is a limited amount of potable water. Therefore, the desalination process is of great interest. Adsorption of the main contaminants of saline water (Na+, K+, Cl– ions) is an alternative process of ...
Aruzhan K. Kenessova, Akmaral B. Rakhym, Bagashar B. Zhaksybay, Gulziya A. Seilkhanova   +3 more
doaj   +1 more source

INVESTIGATION OF THE FUNCTIONAL LAYER FORMATION ON THE SURFACE OF CARBON MATERIAL

Studia Universitatis Babes-Bolyai Chemia, 2022
In this study, a comparison of walnut-based carbon materials (CM) obtained by hydrothermal carbonization (HTC) and HTC in combination with steam gas activation (SGA) was carried out.
Saken ABDIMOMYN, Azhar ATCHABAROVA, Dinara ABDUAKHYTOVA, Rustam TOKPAYEV, Kanagat KISHIBAYEV, Tamina KHAVAZA, Andrey KURBATOV, Graziella Liana TURDEAN, Mikhail NAURYZBAYEV   +8 more
doaj   +1 more source

Adaptive divergence for rapid adversarial optimization [PDF]

PeerJ Computer Science, 2020
Adversarial Optimization provides a reliable, practical way to match two implicitly defined distributions, one of which is typically represented by a sample of real data, and the other is represented by a parameterized generator.
Maxim Borisyak, Tatiana Gaintseva, Andrey Ustyuzhanin   +2 more
doaj   +2 more sources

Seasonal and Spatial Variation of Volatile Organic Compounds in Ambient Air of Almaty City, Kazakhstan

Atmosphere, 2021
Air pollution is one of the primary sources of risk to human health in the world. In this study, seasonal and spatial variations of multiple volatile organic compounds (VOCs) were measured at six sampling sites in Almaty, Kazakhstan.
Olga P. Ibragimova, Anara Omarova, Bauyrzhan Bukenov, Aray Zhakupbekova, Nassiba Baimatova   +4 more
doaj   +1 more source

Predicting mortality and visualizing health care spending by predicted mortality in Danes over age 65

Scientific Reports, 2023
Health care expenditure in the last year of life makes up a high proportion of medical spending across the world. This is often framed as waste, but this framing is only meaningful if it is known at the time of treatment who will go on to die. We analyze
Anne Vinkel Hansen, Laust Hvas Mortensen, Claus Thorn Ekstrøm, Stella Trompet, Rudi Westendorp   +4 more
doaj   +1 more source

A Stochastic Bilevel DEA-Based Model for Resource Allocation

Computer Sciences & Mathematics Forum, 2023
The optimal allocation of limited resources along with output target setting are critical in pursuing the sustainability and competitiveness of organizations.
Eleni-Maria Vretta, Kyriakos Bitsis, Konstantinos Kaparis, Georgios Paltayian, Andreas C. Georgiou   +4 more
doaj   +1 more source

Comparative Study of Physicochemical Characteristics and Catalytic Activity of Copper Oxide over Synthetic Silicon Oxide and Silicon Oxide from Rice Husk in Non-Oxidative Dehydrogenation of Ethanol

ChemEngineering, 2022
The article presents the results of comparative research on the physicochemical characteristics and catalytic activity of copper oxide supported on synthetic SiO2 and SiO2 (RH) from rice husk.
Manshuk Mambetova, Gaukhar Yergaziyeva, Kusman Dossumov, Kydyr Askaruly, Seitkhan Azat, Kalampyr Bexeitova, Moldir Anissova, Bedelzhan Baizhomartov   +7 more
doaj   +1 more source

Synthesis and evaluation of corrosion inhibitory and adsorptive properties of N-(β-ethoxypropionitrile-N,N-bis(2-hydroxyethylethoxy) fatty amide

Royal Society Open Science, 2021
The present study reports a synthetic condensation process of a vegetable oil (waste) reacted with triethanolamine, maleic anhydride and acrylonitrile in (1 : 1.2 : 2 : 1) mole ratios to obtain N-(β-ethoxypropionitrile)-N,N-bis(2-hydroxyethylethoxy ...
Gulmira Rakhymbay, Raigul Jumanova, Khaisa Avchukir, Yeldana Bakhytzhan, Akmaral Argimbayeva, Bibisara Burkitbayeva, Mirgul Turmukhanova, Florence Vacandio, Adewale Adeloye   +8 more
doaj   +1 more source