EUREKA: Physics and Engineering

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2022-05-23

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EUREKA: Physics and Engineering - scientific journal whose main aim is to publish materials allowed to see new discoveries at the intersection of sciences.

Current Issue

No. 4 (2022)

Published: 2022-07-30

Chemistry

Theoretical approach for Fe(II/III) and its chlorophyll-related complexes as sensitizers in dye-sensitized solar cells

Mohamad Rodhi Faiz, Denny Widhiyanuriyawan, Eko Siswanto, Fazira Ilyana Abdul Razak, I Nyoman Gede Wardana

3-15
Abstract views: 51 | PDF Downloads: 47
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Chemical Engineering

Analysis of duck eggshells as hydroxyapatite with heat treatment method

Asmeati Sabir, Hammada Abbas, Ahmad Yusran Aminy, Sapta Asmal

16-24
Abstract views: 10 | PDF Downloads: 16
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Energy

Experimental study of the correlation for turbulent burning velocity at subatmospheric pressure

Arley Cardona Vargas, Hernando Alexander Yepes Tumay, Andrés Amell

25-35
Abstract views: 29 | PDF Downloads: 21
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Engineering

Development of the project of modular prefabricated buildings

Galym Issabayev, Aimash Slyambayeva, Alpysbay Kelemeshev, Dina Amandykova

36-45
Abstract views: 15 | PDF Downloads: 17
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Quality comparison of Y-shape joints by tube hydroforming with and without counterforce

Quang Vu Duc, Duy Dinh Van, Trung Nguyen Dac, Quang Nguyen Huu

46-56
Abstract views: 59 | PDF Downloads: 32
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Analysis of three-layer gasket performance affected by flange surface

I Made Gatot Karohika, Shigeyuki Haruyama

57-66
Abstract views: 17 | PDF Downloads: 20
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Heat loads analysis and creation of a uniform model for commercial refrigeration equipment calculation

Ivan Konstantinov, Mykhailo Khmelniuk, Oleksii Ostapenko, Ruslan Talibli, Olga Yakovleva

67-76
Abstract views: 12 | PDF Downloads: 16
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Development of free water knock-out tank by using internal heat exchanger for heavy crude oil

Ismail Ismail, Ambar Tri Mulyanto, Reza Abdu Rahman

77-85
Abstract views: 57 | PDF Downloads: 24
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Heat transfer analysis cabinet-type ERK solar dryer machine for drying agricultural products

Yayat Ruhiat, Yudi Guntara

86-92
Abstract views: 19 | PDF Downloads: 20
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Analytical study of the velocity of the lubricating fluid in the hydrodynamic journal bearing with the effect of centrifugal force for short bearing type

Nguyen Van Thang

93-100
Abstract views: 60 | PDF Downloads: 71
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Material Science

Characterization of WO3 thin films deposited by spray pyrolysis technique and its role in gas sensing

Sivaraman Sethu Sivathas, Sambandam Murugan, Arthur Victor Babu, Singaravelu Ramalingam, Ramalingam Thirumurugan, Devanugraham Clement Easter Raj Bernice Victoria

101-113
Abstract views: 25 | PDF Downloads: 25
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Detection of the synergetic influence of chemical and microbiological factors on the properties of concrete constructions at chemical plants during the long-term service

Oksana Shkromada, Alina Pikhtirova, Vadym Chivanov, Viktoriia Ivchenko, Nataliia Sribniak, Olha Shvets, Yuliia Litsman

114-126
Abstract views: 14 | PDF Downloads: 13
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Mathematics

Geometric approach to the proof of Fermat’s last theorem

Yuriy Gevorkyan

127-136
Abstract views: 11 | PDF Downloads: 12
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Computer Science

Study of the secondary characteristics of the bistatic scattering of a combined object in a covert radar surveillance system

Stanislav Horielyshev, Pavlo Volkov, Igor Boikov, Dmitro Baulin, Hryhorii Ivanets, Aleksandr Nakonechnyi, Svyatoslav Manzhura, Valentyn Yuriev, Natalia Gleizer

137-151
Abstract views: 8 | PDF Downloads: 15
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Analysis of GPON capacity by hybrid splitting-ratio base on customer segmentation for Indonesian market during the Covid-19 pandemic

Gunadi Dwi Hantoro, Purnomo S. Priambodo, Gunawan Wibisono

152-169
Abstract views: 18 | PDF Downloads: 12
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Development of a convolutional neural network joint detector for non-orthogonal multiple access uplink receivers

Raed S. H. AL-Musawi, Ali Hilal Ali, Kadhum Al-Majdi, Sarmad Al Gayar

170-178
Abstract views: 15 | PDF Downloads: 14
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Synthesis of decision making in a distributed intelligent personnel health management system on offshore oil platform

Masuma Mammadova, Zarifa Jabrayilova

179-192
Abstract views: 11 | PDF Downloads: 13
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