Zobrazeno 1 - 10
of 35
pro vyhledávání: '"David Sink"'
Autor:
Kristen Moriarty, Mingfu Yu, Naveed Hussain, Kinga Zgutka, M. Melinda Sanders, Malini Harigopal, Jianhui Wang, Xi Wang, Pei Hui, Chen Liu, David Sink, Andrea Shields
Publikováno v:
Placenta. 124:62-66
COVID-19 has been associated with several adverse pregnancy outcomes, including perinatal loss. Differential effects of COVID-19 in a twin pregnancy may provide unique insights into virus-placental interactions. We present a case of perinatal loss of
Publikováno v:
Results in Surfaces and Interfaces, Vol 17, Iss , Pp 100292- (2024)
The popularity of fractal analysis studies is increasing in various fields. However, the literature has neglected the fractal analysis of fly ash (FA)-teff straw ash (TSA)-based geopolymer mortars. This fact inspires us to develop fractal analysis fo
Externí odkaz:
https://doaj.org/article/f716b4bbfef84ba1a5cfabe662e6653c
Publikováno v:
Green Technologies and Sustainability, Vol 3, Iss 1, Pp 100127- (2025)
Fly ash (FA)-based geopolymer mortar is being considered for sustainability since it enjoys peculiar properties such as high mechanical properties and environmental benefits. However, the high curing temperatures of FA-based geopolymer mortar play a
Externí odkaz:
https://doaj.org/article/2e948dbd1099461d91cab0e78058a7f5
Autor:
David Sinkhonde
Publikováno v:
Heliyon, Vol 10, Iss 4, Pp e26666- (2024)
Quantitative characterisation of morphology and shape parameters of pozzolanic materials, as a fundamental problem of characterisation of pozzolanic materials, has received significant consideration in literature. Thus far, previous research works ha
Externí odkaz:
https://doaj.org/article/0bb8ef0ef05146caa55bf595789e92ff
Autor:
David Sinkhonde
Publikováno v:
Heliyon, Vol 9, Iss 10, Pp e20539- (2023)
Scanning electron microscopy (SEM) permits to evaluate the surface morphology and surface roughness of pozzolans and admixtures. The field of mineral and organic admixtures has considerable interest in using SEM. However, several challenges are encou
Externí odkaz:
https://doaj.org/article/9904fd4fc6dd46fd96d8bc38138dde4a
Autor:
David Sinkhonde
Publikováno v:
Results in Engineering, Vol 19, Iss , Pp 101236- (2023)
Recently, the correlation between surface roughness and fineness of materials including pozzolans has been subjected to too much debate in literature. Exploiting the surface roughness of pozzolans has been proven to be significant for cement-based co
Externí odkaz:
https://doaj.org/article/721e307d9f094ceaaaf1844c720c6cfd
Publikováno v:
Heliyon, Vol 9, Iss 6, Pp e17514- (2023)
The existing literature shows that rubberised concrete suffers from reduced mechanical properties when it is compared with normal density non-rubberised concrete. This is due to the underlying reduced bonding between tire rubber and other concrete in
Externí odkaz:
https://doaj.org/article/d8f916bc8ca84408901b2bddeddd608a
Autor:
David Sink
Publikováno v:
Southeastern Political Review. 12:165-168
Autor:
David Sinkhonde
Publikováno v:
Cleaner Engineering and Technology, Vol 13, Iss , Pp 100631- (2023)
The advantages of utilising waste materials in concrete have led to the use of waste brick powder (WBP) and waste tire rubber (WTR) in concrete production. The awareness of factors influencing energy required during concrete production and the capabi
Externí odkaz:
https://doaj.org/article/09b7773edc284c2886d26095a64e033e
Autor:
David Sinkhonde
Publikováno v:
Cleaner Materials, Vol 7, Iss , Pp 100166- (2023)
Studying surface porosity and surface roughness of mineral and organic admixtures is vital in cement-based applications as these characteristics play a significant role in the behaviour of cement-based composites. Aiming to enhance the characteristic
Externí odkaz:
https://doaj.org/article/5b229f5f513b4d3399f3297be4ec05ee