Zobrazeno 1 - 10
of 109
pro vyhledávání: '"Naveed Ashraf"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-16 (2024)
Abstract Direct AC–AC converters are strong candidates in the power converting system to regulate grid voltage against the perturbation in the line voltage and to acquire frequency regulation at discrete step levels in variable speed drivers for in
Externí odkaz:
https://doaj.org/article/4c0a87bb70b2417e98ab575d32ba9985
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-12 (2023)
Abstract A multifunctional beam splitting frequency selective surface (FSS) is modeled, analyzed, and tested in transmission and reflection modes. The proposed FSS comprises a C-shaped split-ring resonator designed and fabricated on an ultrathin, fle
Externí odkaz:
https://doaj.org/article/c59dd34e05fc46a898fda5463be1501a
Autor:
Mohammad Ashraf, Huzaifa Ahmad Cheema, Minaam Farooq, Biah Mustafa, Ammar Anwer, Saman Shahid, Naveed Ashraf
Publikováno v:
Journal of the Pakistan Medical Association, Vol 73, Iss 05 (2023)
Objective: To assess gender bias, discrimination and bullying at medical schools, and to explore the phenomenon of ‘doctor brides’. Method: The multicentre survey was conducted at 14 medical education institutions across Pakistan from September
Externí odkaz:
https://doaj.org/article/3b6c356e21bd4ea39d6062f92045fed9
Publikováno v:
IEEE Access, Vol 9, Pp 90402-90417 (2021)
Single-stage power conversion with simple circuit arrangement is one of the attractive features of direct bipolar voltage ac-ac converters. This increases their potency in various applications that require voltage and frequency regulation. The grid v
Externí odkaz:
https://doaj.org/article/b95a150a80254750a2eaf107d1760faf
Publikováno v:
IEEE Access, Vol 8, Pp 48886-48903 (2020)
Voltage sags and swells are the major problems of the power distribution system that arise due to uneven distribution of the single-phase and nonlinear loads. They severely degrade the power quality and may cause the failure of the equipment at the u
Externí odkaz:
https://doaj.org/article/49ea5b4fa7a542c799b59c5dc7f42244
Autor:
Mohammad Ashraf, Syed Shahzad Hussain, Usman Ahmad Kamboh, Mehreen Mehboob, Saman Shahid, Naveed Ashraf
Publikováno v:
Journal of the Pakistan Medical Association, Vol 71, Iss 5 (2021)
https://jpma.org.pk/article-details/10679?article_id=10679
Externí odkaz:
https://doaj.org/article/5287077549ac48beb13ff4ede2b3055b
Publikováno v:
Energies, Vol 15, Iss 20, p 7534 (2022)
The development of single-phase symmetrical bipolar voltage gain matrix converters (MC) is growing rapidly as they find their application in power systems for dynamic restoration of line voltages, high voltage AC–DC converters, and variable frequen
Externí odkaz:
https://doaj.org/article/0e586150a9a64b399731c45d955162b6
Autor:
Naveed Ashraf, Ghulam Abbas, Nasim Ullah, Ahmad Aziz Al-Ahmadi, Alsharef Mohammad, Umar Farooq
Publikováno v:
Applied Sciences, Vol 12, Iss 17, p 8582 (2022)
Single-phase AC–AC converters with a direct power conversion approach are receiving rapid development as they have the ability to produce the regulated non-inverting and inverting form of the input voltage at the output. This feature enables them t
Externí odkaz:
https://doaj.org/article/233acda5e0c0419f92a49224f7aad1c8
Publikováno v:
The Rehabilitation Journal, Vol 03, Iss 01, Pp 85-90 (2019)
Objective: to evaluate the effects of plyometric training program on speed and agility of young Pakistani cricketers. Material & Methods: A Randomized Controlled Trail (NCT03830632) was conducted in Fitdiction Gym Islamabad after the approval from th
Externí odkaz:
https://doaj.org/article/0bcb721a29a34bce87ca1bca0d271abf
Autor:
Naveed Ashraf, Ghulam Abbas, Nasim Ullah, Ahmad Aziz Al-Ahmadi, Ali Raza, Umar Farooq, Mohsin Jamil
Publikováno v:
Applied Sciences, Vol 12, Iss 7, p 3663 (2022)
Single-phase direct frequency converters are gaining attraction at the research and academic level as they are rapidly getting space over conventional multistage converters. The converters developed with a rectification and inversion process using a
Externí odkaz:
https://doaj.org/article/62c5882b62b5441faffcc94e567d4308