Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Ndigui Billong"'
Autor:
Blaise Ngwem Bayiha, Fabien Kenmogne, Benjamin Bahel, Émilienne Yolande A'Paglan Bidime, Emmanuel Yamb Bell, Ndigui Billong
Publikováno v:
Heliyon, Vol 10, Iss 10, Pp e30801- (2024)
The composite material with a geopolymer matrix of 7 M molarity, obtained by incorporating microparticles from plastic bottles is developed and characterized in the present paper. To do this, we made cylindrical specimens whose the diameters are the
Externí odkaz:
https://doaj.org/article/a45bc04674ad429da1142302f20b24ce
Autor:
Ndigui Billong, Likiby Boubakar, B.N. Bayiha, S.M. Njimbouombouo, Uphie C. Melo, Jonathan Oti, John Kinuthia
Publikováno v:
Case Studies in Construction Materials, Vol 13, Iss , Pp e00369- (2020)
In the present study, physico-chemical investigations were carried out on hydrated lime produced from the limestone of the travertine outcrop of Bogongo in the South West Region of Cameroon. The aim was to evaluate the suitability of that hydrated li
Externí odkaz:
https://doaj.org/article/d3140fa2b4e74c37bb7b0047978ba8e9
Autor:
Kouamou Nguessi Arnaud, Yamb Emmanuel, Ndigui Billong, Ngwem Bayiha Blaise, Mbuh Moses Kuma, Tchemou Gilbert, Christian Hyeng Bock, Madouma Madouma Arnold
Publikováno v:
Materials Sciences and Applications. 14:255-272
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ffea38f4430879c35c980afa4bb148b2
https://doi.org/10.4236/msa.2023.144015
https://doi.org/10.4236/msa.2023.144015
Publikováno v:
World Journal of Engineering and Technology. 10:539-549
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1052e1393a5261b20b2dcfa7f2f7bc20
https://doi.org/10.4236/wjet.2022.103034
https://doi.org/10.4236/wjet.2022.103034
Autor:
null Blaise Ngwem Bayiha, null Benjamin Bahel, null Fabien Kenmogne, null Ulrich Nota Yemetio, null Emmanuel Yamb, null Ndigui Billong
The comparative study of some effects of natural and artificial pozzolans on the hydraulic properties of Portland cement mortar is performed in this work. The natural pozzolan used coming from the Djoungo deposit, Moungo department in the Littoral re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7ae87652ea9da8f0868423960401a24e
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 147:7693-7699
In the present study, un-densified silica fume was reacted with a 10 M sodium hydroxide solution to produce the sodium silicate gel having a pH of 14. The calorimetry of the reaction was evaluated. The gel was dried to increase its density by almost
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::987aef0c61e33c9dcadb62dd79c55623
https://doi.org/10.1007/s10973-021-11061-1
https://doi.org/10.1007/s10973-021-11061-1
Autor:
Thomas A. Bier, Nguimeya Nguepi Gide Audrey, Elsa Qoku, Arlin Bruno Tchamba, Thamer Alomayri, Linda Lekuna Duna, Ndigui Billong, Elie Kamseu
Publikováno v:
International Journal of Pavement Research and Technology. 15:821-834
In this study, the engineering characteristics of Portland cement samples (CM1, CM2, CM3 and CM4) from four manufacturers in Cameroon were evaluated to know their physical and mineralogical properties to be used in different environments. For this pu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::16eddb146db63855387a08c23d2b3f26
https://doi.org/10.1007/s42947-021-00055-9
https://doi.org/10.1007/s42947-021-00055-9
Autor:
Etone Macka Alexandre Dodo, Ondoua Abondo Ebengue Yannick, Ntamag Jacques Lionel, Njimbouombouo Mouliom Soualiou, Linda Lekuna Duna, Beleuk A. Moungam Lynn Myllyam, Medjo Eko Robert, Lezin Séba Minsili, Ndigui Billong
Publikováno v:
Journal of Building Pathology and Rehabilitation. 7
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::436259af308f84b7729ffd2348439ba0
https://doi.org/10.1007/s41024-022-00201-1
https://doi.org/10.1007/s41024-022-00201-1
Publikováno v:
Journal of Building Pathology and Rehabilitation. 7
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::26a12fb2aa812aba2fe60b5ace35ae9c
https://doi.org/10.1007/s41024-022-00187-w
https://doi.org/10.1007/s41024-022-00187-w
Autor:
Ndigui Billong, Lynn Myllyam Beleuk à Moungam, Ignas Tonle Kenfack, Rodrigue Cyriaque Kaze, Juvenal Giogetti Deutou Nemaleu, Patrick N. Lemougna, Antoine David Mvondo-Ze, Elie Kamseu, Hawa Mohamed
Publikováno v:
Silicon. 14:2595-2608
In the present study, multi-scale sized porous inorganic polymers were produced by alkaline activation of volcanic ash. Rice husk ash, an agricultural biomass, was used both in the synthesis of the alkaline activator and as pore inducing agent. Harde
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4e38818602e4d41ee40f9b5dcfa8d7e3
https://doi.org/10.1007/s12633-021-01004-8
https://doi.org/10.1007/s12633-021-01004-8