Zobrazeno 1 - 10
of 460
pro vyhledávání: '"Zoltán Németh"'
Autor:
Mohammed Alktranee, Qudama Al-Yasiri, Mohammed Ahmed Shehab, Péter Bencs, Zoltán Németh, Klara Hernadi
Publikováno v:
Alexandria Engineering Journal, Vol 94, Iss , Pp 55-67 (2024)
Photovoltaic modules are impacted by overheating, which degrades their conversion efficiency and shortens their lifespan. This work attempts to study the cooling potential for a hybrid photovoltaic/thermal (PV/T) system by employing CuO and Fe2O3 nan
Externí odkaz:
https://doaj.org/article/7c2fa3b814ce4b7e947b80052f5cb46c
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-18 (2024)
Abstract An efficient and reproducible growth of vertically aligned carbon nanotubes by CCVD requires accurate and specific setting of the synthesis parameters and the properties of catalyst thin layers. In this work, the growth of vertically aligned
Externí odkaz:
https://doaj.org/article/2bc68339f40647039cc579d0cd70c393
Publikováno v:
Energy Reports, Vol 9, Iss , Pp 1265-1277 (2023)
Recently, photovoltaic technology applications have occupied a wide range in electric generation. The temperature rising higher than the operating temperature permissible is the weak point facing this technology, which significantly influences the pe
Externí odkaz:
https://doaj.org/article/53dc972989144155b89132c8e52246d2
Publikováno v:
Heliyon, Vol 9, Iss 12, Pp e22535- (2023)
The energy and exergy efficiency of a photovoltaic thermal (PV/T) system at various volume fractions is investigated with mono TiO2 nanofluid and new hybrid TiO2–Fe2O3 nanofluid. Serpentine tubes soldered on an absorbing plate attached to the rear
Externí odkaz:
https://doaj.org/article/3f1580564a3a4db9adcae7361e5d72f1
Autor:
Dhiyaa A. Hussein Al-Timimi, Qusay F. Alsalhy, Adnan A. AbdulRazak, Mohammed Ahmed Shehab, Zoltán Németh, Klara Hernadi
Publikováno v:
Journal of Materials Research and Technology, Vol 24, Iss , Pp 6779-6790 (2023)
This study aims to optimize operating parameters of the effect of embedded silica nanoparticles (SiO2 NPs) and modified silica NPs with polyethylenimine (PEI) (SiO2-g-PEI NPs) into polyethersulfone (PES) to fabricate a mixed matrix membranes (MMMs) f
Externí odkaz:
https://doaj.org/article/0db3627e0dff409696350ae0669e1832
Autor:
Kadhum M. Shabeeb, Wallaa A. Noori, Ali A. Abdulridha, Hasan Sh Majdi, Mohammad N. Al-Baiati, Ali A. Yahya, Khalid T. Rashid, Zoltán Németh, Klara Hernadi, Qusay F. Alsalhy
Publikováno v:
Heliyon, Vol 9, Iss 11, Pp e21958- (2023)
A newly developed water-soluble polymeric nano-additive termed “partially cross-linked nanoparticles graft copolymer (PCLNPG)'' has been successfully synthesized and harnessed as a pore former for modifying a polyethersulfone ultrafiltration membra
Externí odkaz:
https://doaj.org/article/94451f08a5a14d8aa233a2bfabf8cdca
Publikováno v:
Arabian Journal of Chemistry, Vol 16, Iss 9, Pp 105102- (2023)
Overheating of photovoltaic (PV) cell is one of the most common issues that cause the degradation of their function and reduce conversion efficiency. This work investigates the effect of using a novel TiO2-CuO hybrid nanofluid to improve the energy a
Externí odkaz:
https://doaj.org/article/421f76c9c0d64a2bbe11aa9245b67b2a
Publikováno v:
Journal of Synchrotron Radiation, Vol 29, Iss 5, Pp 1216-1222 (2022)
The present work demonstrates the performance of a von Hámos high-energy-resolution X-ray spectrometer based on a non-conventional conical Si single-crystal analyzer. The analyzer is tested with different primary and secondary X-ray sources as well
Externí odkaz:
https://doaj.org/article/a0df752efc174245a79728de634c3c0b
Autor:
Mahitha Udayakumar, Pál Tóth, Henrik Wiinikka, Jaskaran Singh Malhotra, Blaz Likozar, Saso Gyergyek, Anett Katalin Leskó, Ravikumar Thangaraj, Zoltán Németh
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-13 (2022)
Abstract Plastic waste has become a major global environmental concern. The utilization of solid waste-derived porous carbon for energy storage has received widespread attention in recent times. Herein, we report the comparison of electrochemical per
Externí odkaz:
https://doaj.org/article/b9bd2f527e944c51b8374111dd995996
Autor:
Jiali Meng, Zoltán Németh, Mao Peng, Erzsébet Fekete, Sandra Garrigues, Anna Lipzen, Vivian Ng, Emily Savage, Yu Zhang, Igor V. Grigoriev, Miia R. Mäkelä, Levente Karaffa, Ronald P. deVries
Publikováno v:
Microbial Biotechnology, Vol 15, Iss 6, Pp 1839-1851 (2022)
Summary Filamentous fungi produce a wide variety of enzymes in order to efficiently degrade plant cell wall polysaccharides. The production of these enzymes is controlled by transcriptional regulators, which also control the catabolic pathways that c
Externí odkaz:
https://doaj.org/article/9fe84009d5d5479ebe29a4b653d1d1ea