Zobrazeno 1 - 10
of 488
pro vyhledávání: '"Abdelowahed"'
Autor:
Meryiem Derraz, Chouaib Ennawaoui, Hicham Mastouri, Youssef El Hmamssy, Nourredine Abouricha, Abdelkader Rjafallah, El Mehdi Laadissi, Abdelowahed Hajjaji
Publikováno v:
Micro and Nano Engineering, Vol 23, Iss , Pp 100253- (2024)
In the contemporary quest for sustainable energy, the potential of piezoelectric energy harvesters to convert mechanical vibrations into electrical energy has become increasingly important. This study focuses on piezoelectric composites, in particula
Externí odkaz:
https://doaj.org/article/8614c52bebbe4f3789e25c1f84679cb1
Publikováno v:
Arabian Journal of Chemistry, Vol 16, Iss 11, Pp 105208- (2023)
Annually, over one billion m3 of sediment are dredged worldwide to ensure safe access for ships to harbors. Dredged sediment from harbors, considered as waste, presents an interesting opportunity for sustainable development projects by valorizing it
Externí odkaz:
https://doaj.org/article/1236b290246b49648e27a9040031dcf6
Autor:
Meryiem Derraz, Abdelaziz Elouahli, Chouaib Ennawaoui, Mohamed Aymen Ben Achour, Abdelkader Rjafallah, El Mehdi Laadissi, Hamza Khallok, Zineb Hatim, Abdelowahed Hajjaji
Publikováno v:
Journal of Composites Science, Vol 7, Iss 6, p 260 (2023)
Chitosan, which is a derivative of chitin, is particularly popular due to its biodegradable and renewable nature. However, the properties of chitosan can be inconsistent due to the extraction process and its natural origin, which poses a challenge to
Externí odkaz:
https://doaj.org/article/0e33e8b4318145feb77790f577da405d
Publikováno v:
Materials, Vol 16, Iss 11, p 3945 (2023)
Investigated in this work, Cd1−xZnxSe-mixed ternary compounds were grown by the Bridgman method. Several compounds with zinc content varying in the range 0 < x < 1 were produced between two binary parents, CdSe and ZnSe crystals. Using the SEM/EDS
Externí odkaz:
https://doaj.org/article/34c83f94d6a54afc94e8e0bd77b67c83
Publikováno v:
World Electric Vehicle Journal, Vol 14, Iss 2, p 40 (2023)
Consumption habits are changing due to the development of new technologies around renewable energy, environmental awareness, and new incentive policies. Smart grids are seen as an effective way to accommodate more renewable energy, achieve better con
Externí odkaz:
https://doaj.org/article/e88e501fb7ed40659b5b046582b7b200
Publikováno v:
Environmental Sciences Proceedings, Vol 16, Iss 1, p 22 (2022)
In this work, we will present a new protocol to identify solid matter quickly, and at low cost, by physico-chemical analysis methods. The fast and less expensive methods for identification that we investigate, using principal component analysis (ACP)
Externí odkaz:
https://doaj.org/article/eada0c93c433410fa194cc20e93bd5c3
Autor:
Marouane EL Alouani, Saliha Alehyen, Mohammed EL Achouri, Abdelowahed Hajjaji, Chouaib Ennawaoui, M’hamed Taibi
Publikováno v:
Advances in Civil Engineering, Vol 2020 (2020)
The influence of alkali cations on mix design of geopolymers is essential for their mechanical, thermal, and electrical performance. This research investigated the influence of alkali cation type on microscale characteristics and mechanical, dielectr
Externí odkaz:
https://doaj.org/article/f178d5873bad454a9e86ad36f20cd7ce
Autor:
Chouaib Ennawaoui, Abdelowahed Hajjaji, Cédric Samuel, Erroumayssae Sabani, Abdelkader Rjafallah, Ikrame Najihi, El Mehdi Laadissi, El Mehdi Loualid, Mohamed Rguiti, Abdessamad El Ballouti, Azeddine Azim
Publikováno v:
Applied System Innovation, Vol 4, Iss 3, p 57 (2021)
This paper investigates energy harvesting performances of porous piezoelectric polymer films to collect electrical energy from vibrations and power various sensors. The influence of void content on the elastic matrix, dielectric, electrical, and mech
Externí odkaz:
https://doaj.org/article/1efc9713f39e409096846dc1d13c1804
Autor:
Mustapha El Kanzaoui, Chouaib Ennawaoui, Saleh Eladaoui, Abdelowahed Hajjaji, Abdellah Guenbour, Ratiba Boussen
Publikováno v:
Journal of Composites Science, Vol 5, Iss 6, p 151 (2021)
Given the amount of industrial waste produced and collected in the world today, a recycling and recovery process is needed. The study carried out on this subject focuses on the valorization of one of these industrial wastes, namely the fly ash produc
Externí odkaz:
https://doaj.org/article/180432db0b6d4b7abe36d18f283081d3
Autor:
Said Bouzit, Said Laasri, Mohamed Taha, Abdelaziz Laghzizil, Abdelowahed Hajjaji, Francesca Merli, Cinzia Buratti
Publikováno v:
Applied Sciences, Vol 9, Iss 12, p 2443 (2019)
Building retrofitting plays a key-role in energy saving and a growing interest is focused on insulating materials that allow a reduction in heat loss from envelopes with low thickness, by a process of reducing heating and cooling demand. In this cont
Externí odkaz:
https://doaj.org/article/89eb6780841f43b891ff5b2d23375dfa