Zobrazeno 1 - 10
of 41
pro vyhledávání: '"E. Mgbemere"'
Publikováno v:
Mağallaẗ Al-kūfaẗ Al-handasiyyaẗ, Vol 15, Iss 2, Pp 61-73 (2024)
This study investigated the physical, mechanical and thermal characteristics of insulating refractory bricks produced from Nigerian clay blended with melon seed husk. The aim is to reduce the cost of production which arises from importation. This is
Externí odkaz:
https://doaj.org/article/041b67770e7d42bea757f7bcc63577be
Autor:
Henry E. Mgbemere, Viktoriya Semeykina
Publikováno v:
Mağallaẗ Al-kūfaẗ Al-handasiyyaẗ, Vol 15, Iss 1, Pp 81-94 (2024)
Glycine exhibits a little piezoelectric response when poled, while lead-free alkaline niobate-based ceramics show much higher responses. This research investigates the synthesis of a dielectric composite from a combination of glycine and (K0.45Na0.51
Externí odkaz:
https://doaj.org/article/c536fa08cb7649c4b06a997fde9002a7
Publikováno v:
Mağallaẗ Al-kūfaẗ Al-handasiyyaẗ, Vol 14, Iss 2, Pp 57-70 (2023)
Surface finishing operation is a very vital aspect of the manufacturing process and would not fully be achieved without abrasives such as emery paper. Some materials used in the production of abrasives like alumina (Al2O3), and Boron Carbide (B4C) ar
Externí odkaz:
https://doaj.org/article/a36d0359cb6247fc9fc591be16f41b3c
Publikováno v:
Results in Engineering, Vol 14, Iss , Pp 100444- (2022)
A micro-macro model based on deterministic continuum mechanics and the modified source term method has been used to study the solidification problems involving binary Al-4.0 wt% Cu eutectic system. The model is further tested with other equiaxed eute
Externí odkaz:
https://doaj.org/article/cf28cb3126cc45f6883d0684b38ea3d0
Publikováno v:
Nigerian Journal of Technological Development, Vol 16, Iss 1, Pp 43-48 (2019)
Barite ore from Azara in Nassarawa State has been beneficiated using Jigging and Froth Flotation techniques by varying the pH of the solution. The chemical analysis indicates the presence of major elements Ba, S, O and minor elements like Ti, V, Al a
Externí odkaz:
https://doaj.org/article/ff3fced939d144ef868537a060b127e0
Publikováno v:
Journal of Asian Ceramic Societies, Vol 5, Iss 1, Pp 49-55 (2017)
The effect of modifying the properties of KNN-based ceramics with Bi2Ti2O7 (BiT) been investigated in this work. The density measurements show that additions of BiT to the samples slightly increase the density values. Scanning electron microscope ima
Externí odkaz:
https://doaj.org/article/92e050164145400c9c198b409fc03a16
Autor:
Henry E. Mgbemere, Gerold A. Schneider
Publikováno v:
Journal of Asian Ceramic Societies, Vol 4, Iss 1, Pp 97-101 (2016)
Lead-free ferroelectric (K0.44Na0.52Li0.04)(Nb0.86Ta0.1Sb0.04)O3 ceramics co-doped with different amounts of both La and Mn have been produced using solid-state synthesis method. The relative density values of the unmodified sample are between 92 and
Externí odkaz:
https://doaj.org/article/064734eafd57475f90cf3ee7fb9d7872
Zeolites are microporous materials that find a lot of applications in today’s world due to their different properties. In this research, the effect of different calcination temperatures (700oC and 900oC) and acid leaching (7% and 15% dilution) on z
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2de13851763e66070be00a0e81c7b206
https://doi.org/10.21203/rs.3.rs-1944140/v1
https://doi.org/10.21203/rs.3.rs-1944140/v1
Publikováno v:
Nigerian Journal of Technology. 39:1123-1130
Brake blocks are usually made from asbestos, metals and ceramics. It has been realised that asbestos discharges dangerous gases which can be harmful. This problem necessitated the search for human-friendly materials. Therefore, this paper studies the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d24604f6c7aaa888d52921138f16e439
https://doi.org/10.4314/njt.v39i4.20
https://doi.org/10.4314/njt.v39i4.20
Autor:
S. Amaechi, C. S. Durunna, M. C. Uchegbu, O. A. Adeyemo, E. Mgbemere, T. E. Akor, C. T. Ezeokeke
Publikováno v:
Nigerian Journal of Animal Production. 37:184-189
Test diets (2-5) for layers were prepared using graded levels of 5, 8, 10 and 12% levels of inclusion of palm oil supplemented with 0.11, 0.17, 0.22 and 0.27g, respectively, of vitamin E/Kg of feed. The control diet for the layers had no palm oil and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::28dd0550e4d34de5185a22cd95e4f65a
https://doi.org/10.51791/njap.v37i2.2012
https://doi.org/10.51791/njap.v37i2.2012