Zobrazeno 1 - 10
of 19
pro vyhledávání: '"John Ngolui Lambi"'
Autor:
Roussin Lontio Fomekong, Paulin Kammi Yontchoum, Tobie Junior Matemb Ma Ntep, Hypolite Mathias Tedjieukeng Kamta, Patrice Kenfack Tsobnang, Svitlana Krüger, Jiří Šturala, Zdenek Sofer, Christoph Janiak, Bilge Saruhan, Arnaud Delcorte, John Ngolui Lambi
Publikováno v:
Advanced Energy & Sustainability Research, Vol 5, Iss 3, Pp n/a-n/a (2024)
The large‐scale application of water electrolysis, for clean H2 production, requires the development of eco‐friendly and low‐cost electrocatalysts with high activity for hydrogen evolution reaction (HER) in alkaline media. The excellent alterna
Externí odkaz:
https://doaj.org/article/2f5ba0cc85aa4dfcaef8459f739a7ef6
Autor:
Edwin Akongnwi Nforna, Patrice Kenfack Tsobnang, Roussin Lontio Fomekong, Hypolite Mathias Kamta Tedjieukeng, John Ngolui Lambi, Julius Numbonui Ghogomu
Publikováno v:
Royal Society Open Science, Vol 8, Iss 2 (2021)
Samples of cobalt-doped neodymium orthoferrite compounds, NdCoxFe1−xO3 (0.0 ≤ x ≤ 0.5) were synthesized via glycine auto-combustion between 250 and 300°C and calcined at 500°C for 2 h. X-ray diffraction showed that all compounds had an orthor
Externí odkaz:
https://doaj.org/article/e1f83be92fdc4018a887a8730a94adbe
Publikováno v:
Journal of Chemistry, Vol 2019 (2019)
This study focuses on the assessment of the nutrients in the leachate and the groundwater quality around the Nkolfoulou landfill in Yaoundé known in French as “Centre de Traitement de Déchets (CTD).” Landfilling generates leachate that can poll
Externí odkaz:
https://doaj.org/article/50f5c3cbf77d4425a28f49d37fd3b05b
Publikováno v:
Journal of Chemistry, Vol 2019 (2019)
Landfill operations generate particulate matters (PM) and toxic gases that can jeopardize human health. This study was conducted in February 2016 to assess the air quality in the residential areas around the Nkolfoulou landfill in Yaoundé. The conce
Externí odkaz:
https://doaj.org/article/49b4fde3ee8f478db0ef1a97db61798b
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 12, Pp i90-i90 (2009)
Single crystals of the title Ag-substituted calcium magnesium germanide, CaMg1–xAgxGe [x = 0.13 (3)] were obtained from the reaction of the corresponding elements at high temperature. The compound crystallizes with the TiNiSi structure type (Pearso
Externí odkaz:
https://doaj.org/article/0d8b684f7aae46cd8305e98a5ca2a629
Autor:
Hypolite Mathias Kamta Tedjieukeng, Edwin Akongnwi Nforna, John Ngolui Lambi, Patrice Kenfack Tsobnang, Roussin Lontio Fomekong, Julius Numbonui Ghogomu
Publikováno v:
Royal Society Open Science, Vol 8, Iss 2 (2021)
Royal Society Open Science
Royal Society Open Science
Samples of cobalt-doped neodymium orthoferrite compounds, NdCo x Fe 1−x O 3 (0.0 ≤ x ≤ 0.5) were synthesized via glycine auto-combustion between 250 and 300°C and calcined at 500°C for 2 h. X-ray diffraction showed that all compounds had an o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e0ddbdbffc369f5567ca816b3b6645b0
https://royalsocietypublishing.org/doi/pdf/10.1098/rsos.201883
https://royalsocietypublishing.org/doi/pdf/10.1098/rsos.201883
Autor:
Patrice Kenfack Tsobnang, Roussin Lontio Fomekong, John Ngolui Lambi, Ekane Peter Etape, Arnaud Delcorte, Hypolite Mathias Kamta Tedjieukeng, P. A. Joy
Publikováno v:
RSC Advances. 8:38621-38630
Nanoparticles of undoped and copper-doped cobalt ferrite Co1−xCuxFe2O4 at very low dopant concentrations (x = 0; 0.02; 0.04; 0.06; 0.08) were successfully synthesized by pyrolysis of the corresponding hetero metal octanoate precursors obtained via
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f74db84b91a9c6d07d8a08f595766e84
https://doi.org/10.1039/c8ra08532c
https://doi.org/10.1039/c8ra08532c
Autor:
Peter Etape, Ekane1, John Ngolui, Lambi1, Foba-Tendo, Josepha1, Yufanyi, Divine Mbom1, Victorine Namondo, Beckley1
Publikováno v:
Journal of Applied Chemistry (2356-7171). 6/4/2017, p1-10. 10p.
Autor:
Hypolite Mathias Tedjieukeng Kamta, John Ngolui Lambi, Arnaud Delcorte, Roussin Lontio Fomekong, Cedrik Ngnintedem Yonti, Guy Roland Ebede, Patrice Kenfack Tsobnang
Publikováno v:
Journal of Solid State Chemistry, Vol. 241, p. 137-142 (2016)
Nickel oxide nanoparticles were synthesized via thermal decomposition of two precursors, the first, a simple nickel malonate and the second, a nickel malonate modified by oleylamine, a surfactant, both having been synthesized by precipitation. While
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fa9c210b0cfb4d30fc9195594c9b8001
https://doi.org/10.1016/j.jssc.2016.06.012
https://doi.org/10.1016/j.jssc.2016.06.012
Publikováno v:
American Chemical Science Journal. 15:1-11
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fbf3c73d70fd2280a91875e40cf6f12e
https://doi.org/10.9734/acsj/2016/28010
https://doi.org/10.9734/acsj/2016/28010