Zobrazeno 1 - 10
of 89
pro vyhledávání: '"Ramzi Nasser"'
Publikováno v:
Education Sciences, Vol 14, Iss 2, p 131 (2024)
College students’ positive experiences were examined before and during COVID-19 when courses transitioned to a new format. During COVID-19, university courses at a state university in the US transitioned to a new online format. This study observed
Externí odkaz:
https://doaj.org/article/81d33d4197f94a57ac23d39f27cc5fd3
Autor:
Wiem Bouslama, Ramzi Nasser, Bernard Gelloz, Amira Ben Gouider Trabelsi, Fatemah Homoud Alkallas, Ji-Ming Song, Ezzeddine Srasra, Habib Elhouichet
Publikováno v:
Applied Sciences, Vol 13, Iss 14, p 8448 (2023)
Undoped and codoped (Eu/Na) ZnO nanocrystals (NCs) were successfully manufactured through an economical sol-gel method. X-ray diffraction (XRD) analysis demonstrated pure hexagonal wurtzite structure without secondary phases for all the samples. The
Externí odkaz:
https://doaj.org/article/74e3bcd3fb504fec963a2605682cb88e
Autor:
Fatemah. H. Alkallas, Amira Ben Gouider Trabelsi, Ramzi Nasser, Susana Fernandez, Ji-Ming Song, Habib Elhouichet
Publikováno v:
Applied Sciences, Vol 12, Iss 1, p 34 (2021)
Chromium (Cr)-doped zinc oxide (ZnO) nanorods with wurtzite hexagonal structure were prepared through a thermal decomposition technique. The concentration effect of the Cr doping on the structural, morphological, and optical properties of the ZnO nan
Externí odkaz:
https://doaj.org/article/136b2b465e9b43fb88a12bcb7629f7b7
Autor:
Asma Al-Attiyah, Ramzi Nasser
Publikováno v:
International Journal of Adolescence and Youth, Vol 21, Iss 1, Pp 84-95 (2016)
Recent decades have witnessed a surge of interest in the measures of subjective well-being, including mental and physical health, happiness and life satisfaction. The purpose of this study was to determine if there are differences between Qatari male
Externí odkaz:
https://doaj.org/article/ffd0ad797e4146bbb2a5df5e5110484f
Publikováno v:
International Review of Research in Open and Distributed Learning, Vol 12, Iss 6 (2011)
In an attempt to enhance teacher and student performance in school, a learning management system (LMS) known as Knowledge-Net (K-Net) was introduced in Qatari independent schools. (All public schools in Qatar have transformed to independent schools;
Externí odkaz:
https://doaj.org/article/e395ba148dd741cbb750c87d65849a53
Autor:
Monaam Ben Ali, Saad Melhi Alshahrani, Habib Elhouichet, Hamadan A.S. Al-Shamiri, Belal Elgammal, Ramzi Nasser
Publikováno v:
Ceramics International. 47:32882-32890
Transition metals doping has been proved to be a feasible way for tuning the physical properties on the surface and bulk of nanomaterials and also for the good performance in decontamination of emerging pollutants. In this context, doped samples of z
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5375f8ee7ee1a1aba182739cf2267e53
https://doi.org/10.1016/j.ceramint.2021.08.185
https://doi.org/10.1016/j.ceramint.2021.08.185
Publikováno v:
Work (Reading, Mass.). 72(3)
BACKGROUND: This study compares Canadian and German healthcare workers employment status and wages based on age, gender, and educational training. The German and Canadian healthcare systems are rarely compared, that if such a comparison between the t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7a7fe13bcc83a0996bc906b7ff51a04c
https://pubmed.ncbi.nlm.nih.gov/35661044
https://pubmed.ncbi.nlm.nih.gov/35661044
Publikováno v:
ACS Applied Energy Materials. 4:2014-2019
High thermoelectric performance and low material cost are essential to the commercialization of thermoelectric modules. Microstructural design, size effects, and rational band engineering are among...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d7183f0402da537ba8157f4504a1677e
https://doi.org/10.1021/acsaem.0c03255
https://doi.org/10.1021/acsaem.0c03255
Autor:
Xiao-Lu Wang, Tian-Tian Jiang, Ramzi Nasser, Qing-Wen Cao, Ming-Ze Gong, Xin-Yi Li, Ji-Ming Song
Publikováno v:
Biomass and Bioenergy. 166:106602
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::74d2588fa02b6eaf70724c4b537809bf
https://doi.org/10.1016/j.biombioe.2022.106602
https://doi.org/10.1016/j.biombioe.2022.106602
Publikováno v:
Ceramics International. 45:8000-8007
The effect of antimony doping on electrical and dielectric behaviors of ZnO nanocrystals was investigated using impedance spectroscopy. The XRD diffractograms suggest that the ZnO lattice parameters are closely affected by Sb doping. The electrical c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb03f3103304b1291ab061ecef44714c
https://doi.org/10.1016/j.ceramint.2018.12.089
https://doi.org/10.1016/j.ceramint.2018.12.089