Zobrazeno 1 - 10
of 60
pro vyhledávání: '"Ebenezer Njeugna"'
Autor:
Téclaire Ngoup, Nkemaja Dydimus Efeze, Thomas Kanaa, Jonas Peequeur Essome Mbang, César Segovia, Nnanga Nga, Ebenezer Njeugna
Publikováno v:
Journal of Natural Fibers, Vol 21, Iss 1 (2024)
ABSTRACTTo substitute synthetic fibers, which are non-biodegradable and environmentally unfriendly, studies have been carried out to exploit vegetable fibers. Within this concept, this work investigates Sida rhombifolia as a case study. Previous stud
Externí odkaz:
https://doaj.org/article/32c54728dad5477b9faaa86fb54e1ceb
Publikováno v:
Chemical Engineering Transactions, Vol 109 (2024)
The objective of this work is to investigate the physico-chemical properties of agro-industrial by-products in order to determine some potential valorization applications in composites materials. Four different by-products have been studied: coconut
Externí odkaz:
https://doaj.org/article/0b68820f7af04e2fac698f5b193197c3
Autor:
Solange Fogue Matchum, Nicodème Rodrigue Sikame Tagne, Paul William Huisken Mejouyo, Stanislas Tido Tiwa, Bernard Wenga, Ebenezer Njeugna, Jean-Yves Drean, Sophie Bistac-Brogly, Omar Harzallah
Publikováno v:
Heliyon, Vol 10, Iss 8, Pp e29656- (2024)
This study aimed to assess the potential of banana-plantain stalk fibers (BPSF) as a raw material for ropes and fabrics used in composites and geotextiles. Fibers were obtained by Biological retting and ropes used for geotextile weaving were obtained
Externí odkaz:
https://doaj.org/article/99b0a9f3a937408f9834184a294ea7cf
Autor:
Harrond Nimjieu Takoudjou, Nicodème R. Sikame Tagne, Peguy R. Nwagoum Tuwa, Romuald Tapimo, Médard Fogue, Ebenezer Njeugna
Publikováno v:
Alexandria Engineering Journal, Vol 61, Iss 12, Pp 12463-12474 (2022)
The permanent search for materials that can improve climatic conditions and thermal comfort in buildings remains a major concern for engineers. The choice of material is motivated by its behavior to the thermal stresses. To predict the distribution o
Externí odkaz:
https://doaj.org/article/adabb67642394f4cbd227c9b9c11de88
Publikováno v:
Journal of Tropical Forestry and Environment, Vol 12, Iss 02 (2023)
The present study deals with Ayous wood from the East Cameroon forest reserve in the locality of Abong-Mbang. The water absorption rate of Ayous wood and the absorption kinetics were evaluated. Ayous wood reached its absorption saturation around 28 d
Externí odkaz:
https://doaj.org/article/a0290d34420b493bb5ed770fe2521886
Autor:
Narcisse Defo, Rodrigue Nicodème Tagne Sikame, William Paul Mejouyo Huisken, Dieunedort Ndapeu, Stanislas Tiwa Tido, Sophie Bistac-Brogly, Ebenezer Njeugna
Publikováno v:
Journal of Natural Fibers, Vol 20, Iss 1 (2023)
The present work deals with the valorization of agro-industrial by-products to realize bonded abrasives. Four by-products were studied because of their wide availability and mechanical properties: palm nuts shells (Elaeis guineensis), Coco Nucifera s
Externí odkaz:
https://doaj.org/article/747e7422fd924dddabe7d5d5700881cf
Autor:
Tido Tiwa Stanislas, Yakum R. Nafu, N.R. Sikame Tagne, Assia A. Mohamat, P. W. Huisken Mejouyo, Josepha F. Tendo, Ebenezer Njeugna
Publikováno v:
Journal of Natural Fibers, Vol 20, Iss 1 (2023)
Hornification is an irreversible effect that occurs on lignocellulosic fibers when they are subjected to drying and re-wetting cycles. This study aimed to evaluate okra and raffia fibers morphological, physico-chemical, and mechanical properties. The
Externí odkaz:
https://doaj.org/article/dde6d256d1324dbf88e95ecbd36d955a
Autor:
Claude Takoumbe, Elvis Mbou Tiaya, Dieunedort Ndapeu, Paul William Huisken Mejouyo, Cédrick Valère konga Wagang, Ebenezer Njeugna, Sophie Bistac
Publikováno v:
Results in Materials, Vol 17, Iss , Pp 100354- (2023)
The present study deals with the determination of the physical and mechanical characteristics of cork from the pseudo trunk of oil palm (Ténera variety). Nine sampling zones were distinguished on the pseudo trunk, three according to the radial secti
Externí odkaz:
https://doaj.org/article/1d73965086e04446a091c070c9a44818
Autor:
Tido Tiwa Stanislas, Josepha Foba Tendo, Emeso Beckley Ojo, Odette Fayen Ngasoh, Peter Azikiwe Onwualu, Ebenezer Njeugna, Holmer Savastano Junior
Publikováno v:
Journal of Natural Fibers, Vol 19, Iss 5, Pp 1592-1608 (2022)
The goal of this study was to explore the feasibility of production of cellulosic pulp and nanofibrillated cellulose (NFC) from prevalent plants in west and central Africa; raffia fiber (Raphia vinifera), cassava bagasse (Manihot esculenta) and ambar
Externí odkaz:
https://doaj.org/article/fbdd62c988f04d4c92fb2985d90fffa4
Autor:
Syrille Brice Tchinwoussi Youbi, Omar Harzallah, Nicodème Rodrigue Sikame Tagne, Paul William Mejouyo Huisken, Tido Tiwa Stanislas, Jean-Yves Drean, Sophie Bistac, Ebenezer Njeugna
Publikováno v:
International Journal of Polymer Science, Vol 2023 (2023)
This study evaluates the effects of lengths and reinforcement ratio of Raphia vinifera fibres (RVFs) on the physical and mechanical properties of an epoxy matrix composite. Three volume fractions (20%, 30%, and 40%) and three lengths (5, 10, and 15 m
Externí odkaz:
https://doaj.org/article/c119beec2e844ea09db79d5c2a8568de