Zobrazeno 1 - 10
of 280
pro vyhledávání: '"A. J. Cilliers"'
Publikováno v:
Curationis, Vol 16, Iss 2, Pp 17-23 (1993)
An exploratory contextual study was undertaken to expand the insight into and the meaning of the perceptions of the mother of a hyperactive child. The phenomenological method of interviewing was used to gather data. The interviews were recorded on ta
Externí odkaz:
https://doaj.org/article/c60a35f9e7304ee7bb56201e2dd2ac1d
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-12 (2023)
Abstract Triboelectric charge transfer is complex and depends on contact properties such as material composition and contact area, as well as environmental factors including humidity, temperature, and air pressure. Saturation surface charge density o
Externí odkaz:
https://doaj.org/article/3ee4f44b5b184bfab9f02a82e98da12b
Autor:
Paul Baki, Babatunde Rabiu, Christine Amory-Mazaudier, Rolland Fleury, Pierre J. Cilliers, Joseph Adechinan, Anas Emran, Aziza Bounhir, Claudio Cesaroni, J. Bienvenue Dinga, Patricia Doherty, Idrissa Gaye, Hassen Ghalila, Franck Grodji, John-Bosco Habarulema, Bruno Kahindo, Ayman Mahrous, Honoré Messanga, Patrick Mungufeni, Bruno Nava, Melessew Nigussie, Joseph Olwendo, Patrick Sibanda, René Tato Loua, Jean Uwamahoro, Naima Zaourar, Jean-Louis Zerbo
Publikováno v:
Atmosphere, Vol 14, Iss 12, p 1791 (2023)
Space weather science has been a growing field in Africa since 2007. This growth in infrastructure and human capital development has been accompanied by the deployment of ground-based observing infrastructure, most of which was donated by foreign ins
Externí odkaz:
https://doaj.org/article/634e3b2137724710932a909d861cdf58
Publikováno v:
Frontiers in Sustainable Cities, Vol 3 (2021)
The United Nations Sustainable Development Goals (SDGs) intend to encourage liveable urban environments by 2030 with a main focus on strategies to achieve environmental and human well-being. In the same way, the multifunctionality principle of green
Externí odkaz:
https://doaj.org/article/41dfdd3ae2564dafbe3e70146d8942bd
Publikováno v:
South African Journal of Science, Vol 115, Iss 1/2 (2019)
Geomagnetic storms are space weather events that result in a temporary disturbance of the earth’s magnetosphere caused by a solar wind that interacts with the earth’s magnetic field. We examined more closely how some southern African magnetic obs
Externí odkaz:
https://doaj.org/article/cf5acb70c2f649729d5b4fd576e9699d
Autor:
D. A. Sims, F. J. Cilliers
Publikováno v:
Advances in Health Sciences Education.
In pursuing assessment excellence, clinician-educators who design and implement assessment are pivotal. The influence of their assessment practice in university-run licensure exams on student learning has direct implications for future patient care.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::753cc8019b2cbb94224a7b8ac12d0763
https://doi.org/10.1007/s10459-022-10197-5
https://doi.org/10.1007/s10459-022-10197-5
Publikováno v:
Advances in Space Research. 68:2876-2889
In recent decades, the reliance on Global Navigation Satellite System (GNSS) applications is gaining ground in the East African region. This region lies within the low geomagnetic latitudes where signal scintillation events due to ionospheric irregul
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1770f742d6535669f2b4f49cfaa10b88
https://doi.org/10.1016/j.asr.2021.05.012
https://doi.org/10.1016/j.asr.2021.05.012
Publikováno v:
Advances in Space Research. 68:2204-2217
A new method is proposed for improving the IRI2016 vertical electron density profile by ingesting the in situ Ne values from Swarm A, B and C. The method is validated by comparing the improved electron density profiles with measured full height profi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3e5030c6f0b23d441a559f3315db350b
https://doi.org/10.1016/j.asr.2021.01.031
https://doi.org/10.1016/j.asr.2021.01.031
Publikováno v:
Advances in Space Research. 67:3187-3201
Ionospheric irregularities are well-known phenomena associated with ionospheric scintillation. These irregularities comprise steep electron density gradients in the equatorial F region some 1 to 2 h after sunset in regions close to the geomagnetic eq
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::54c3f8395e030e3f2ad25297ef657bfd
https://doi.org/10.1016/j.asr.2021.01.052
https://doi.org/10.1016/j.asr.2021.01.052
Autor:
P. Prikryl, L. Spogli, P. T. Jayachandran, J. Kinrade, C. N. Mitchell, B. Ning, G. Li, P. J. Cilliers, M. Terkildsen, D. W. Danskin, E. Spanswick, E. Donovan, A. T. Weatherwax, W. A. Bristow, L. Alfonsi, G. De Franceschi, V. Romano, C. M. Ngwira, B. D. L. Opperman
Publikováno v:
Annales Geophysicae, Vol 29, Pp 2287-2304 (2011)
Arrays of GPS Ionospheric Scintillation and TEC Monitors (GISTMs) are used in a comparative scintillation study focusing on quasi-conjugate pairs of GPS receivers in the Arctic and Antarctic. Intense GPS phase scintillation and rapid variations in
Externí odkaz:
https://doaj.org/article/dddea0fa9523431583216e4c3785049c