Mineral Processing Unit, Department of Chemistry, Federal University of Technology, Owerri, Nigeria - Articles

Comparative Kinetics of Iron Ore Dissolution in Aqueous HCl-HNO₃ System (Articles)

Onyedika Gerald, Nwoko Christopher, Oguarah Ayebatonworio, Ogwuegbu Martin

Journal of Minerals and Materials Characterization and Engineering Vol.1 No.4, July 23, 2013

DOI: 10.4236/jmmce.2013.14026 4,915 Downloads 7,432 Views Citations
Studies on Extraction Behaviour of Cobalt(II) with Nitrobenzoylprazolone-5 (Articles)

Onyedika Gerald, Arinze Judith, Ogwuegbu Martin

Journal of Minerals and Materials Characterization and Engineering Vol.1 No.3, May 24, 2013

DOI: 10.4236/jmmce.2013.13017 4,609 Downloads 6,551 Views Citations
Model for Prediction of the Concentration of Extracted Tin during Leaching of Cassiterite in Potassium Hydroxide Solution (Articles)

Onyedika Gerald, Ugwu Priscilla, Ogwuegbu Martin, Ejike Emmanuel, Nwoye Chukwuka, Jiann-Yang Hwang

Journal of Minerals and Materials Characterization and Engineering Vol.11 No.7, July 25, 2012

DOI: 10.4236/jmmce.2012.117060 6,037 Downloads 8,068 Views Citations
Comparative Study on the Acid-Base Indicator Properties of Natural Dye, Turmeric Rhizome (Curcuma longa) and Synthetic Dyes (Articles)

Genevive Chinyere Onuegbu, Onyekachi Onyinyechi Nnorom, Gerald Okwuchi Onyedika

Journal of Textile Science and Technology Vol.9 No.1, February 15, 2023

DOI: 10.4236/jtst.2023.91002 806 Downloads 8,245 Views Citations
Determination of Heavy Metals and Physicochemical Parameters of Crude Oil Polluted Soil from Ohaji Egbema Local Government in Imo State (Articles)

Ihenetu Stanley Chukwuemeka, Ihenetu Francis Chukwuebuka, Kalu Georgina Ijeoma

Open Journal of Yangtze Oil and Gas Vol.2 No.3, July 14, 2017

DOI: 10.4236/ojogas.2017.23012 1,896 Downloads 4,302 Views Citations
Modeling the Mechanical Properties of Clay Powder Filled Recycled Low Density Polyethylene Composites (Articles)

Gerald Okwuchi Onyedika, Genevive Chinyere Onuegbu, Chukwudike Onuoha

Journal of Materials Science and Chemical Engineering Vol.8 No.7, July 31, 2020

DOI: 10.4236/msce.2020.87004 632 Downloads 2,158 Views Citations
Model for Predictive Analysis of Heat Absorbed by Oxalic Acid Solution Relative to the Solution Temperature during Leaching of Iron Oxide Ore (Articles)

C. I. Nwoye, C. S. Nwobodo, C. Nlebedim, U.C. Nwoye, R. A. Umana, G. C. Obasi

Journal of Minerals and Materials Characterization and Engineering Vol.8 No.7, July 20, 2009

DOI: 10.4236/jmmce.2009.87046 5,586 Downloads 7,321 Views Citations
Marketing Mix Optimization in Nigeria’s Brewing Industry: A Regression and Geometric Programming Approach (Case Study of Nigerian Breweries PLC) (Articles)

Geoffrey Uzodinma Ugwuanyim, Harrison Obiora Amuji, Oforegbunam Thaddeus Ebiringa, Donatus Eberechukwu Onwuegbuchunam

Open Journal of Statistics Vol.15 No.2, April 8, 2025

DOI: 10.4236/ojs.2025.152010 144 Downloads 866 Views Citations
Land Capability Index Mapping for Waste Disposal Landuse Option Using Geographic Information System (GIS) in Enugu Area, South Eastern Nigeria (Articles)

A. A. Onunkwo, Samuel O. Onyekuru, G. I. Nwankwor

Journal of Geographic Information System Vol.4 No.5, November 1, 2012

DOI: 10.4236/jgis.2012.45049 6,683 Downloads 11,069 Views Citations
Assessment of Hazards in Gas Hydrates Recovery (Articles)

Chinedu E. Ejike

Open Journal of Yangtze Oil and Gas Vol.4 No.4, August 7, 2019

DOI: 10.4236/ojogas.2019.44018 1,352 Downloads 4,170 Views Citations
Sequence Stratigraphic Analysis of “XB Field”, Central Swamp Depobelt, Niger Delta Basin, Southern Nigeria (Articles)

Samuel Okechukwu Onyekuru, Emmanuel Chukwudi Ibelegbu, Julian Chukwuma Iwuagwu, Akan Godfrey Essien, Casmir Zanders Akaolisa

International Journal of Geosciences Vol.3 No.1, February 28, 2012

DOI: 10.4236/ijg.2012.31027 12,398 Downloads 20,167 Views Citations
Effect of Deposition Temperature on the FTIR Absorbance of Zinc Oxide Thin Films Produced by MOCVD (Articles)

U. S. Mbamara, G. A. Alozie, K. B. Okeoma, C. Iroegbu

Journal of Modern Physics Vol.4 No.3, March 13, 2013

DOI: 10.4236/jmp.2013.43048 5,563 Downloads 9,088 Views Citations
Petrology and Geochemistry of Basement Complex Rocks in Okom-Ita Area, Oban Massif, Southeastern Nigeria (Articles)

Kelechi Denis Opara, Young E. Obioha, Samuel Okechukwu Onyekuru, Chikwendu Okereke, Sabinus Ikechukwu Ibeneme

International Journal of Geosciences Vol.5 No.4, April 24, 2014

DOI: 10.4236/ijg.2014.54038 8,814 Downloads 14,107 Views Citations
A Class of Estimators for Population Ratio in Simple Random Sampling Using Variable Transformation (Articles)

A. C. Onyeka, V. U. Nlebedim, C. H. Izunobi

Open Journal of Statistics Vol.4 No.4, June 20, 2014

DOI: 10.4236/ojs.2014.44029 3,535 Downloads 6,565 Views Citations
Estimation of Population Ratio in Post-Stratified Sampling Using Variable Transformation (Articles)

Aloy Chijioke Onyeka, Chinyeaka Hostensia Izunobi, Iheanyi Sylvester Iwueze

Open Journal of Statistics Vol.5 No.1, January 20, 2015

DOI: 10.4236/ojs.2015.51001 4,800 Downloads 13,413 Views Citations
Separate-Type Estimators for Estimating Population Ratio in Post-Stratified Sampling Using Variable Transformation (Articles)

Aloy Chijioke Onyeka, Chinyeaka Hostensia Izunobi, Iheanyi Sylvester Iwueze

Open Journal of Statistics Vol.5 No.1, January 30, 2015

DOI: 10.4236/ojs.2015.51004 3,305 Downloads 4,903 Views Citations
Earth Resources Exploitation and Sustainable Development: Geological and Engineering Perspectives (Articles)

C. C. Iwuji, O. C. Okeke, B. C. Ezenwoke, C. C. Amadi, H. Nwachukwu

Engineering Vol.8 No.1, January 21, 2016

DOI: 10.4236/eng.2016.81003 11,225 Downloads 21,787 Views Citations
The Usefulness of Dynamic Programming in Course Allocation in the Nigerian Universities (Articles)

Harrison O. Amuji, Geoffrey U. Ugwuanyim, Chukwudi J. Ogbonna, Hycinth C. Iwu, Bridget N. Okechukwu

Open Journal of Optimization Vol.6 No.4, December 29, 2017

DOI: 10.4236/ojop.2017.64012 1,088 Downloads 2,840 Views Citations
Analysis of the Impact of Treasury Single Account on the Performance of Banks in Nigeria (Articles)

Chukwudi J. Ogbonna, Harrison O. Amuji

Open Journal of Statistics Vol.8 No.3, June 7, 2018

DOI: 10.4236/ojs.2018.83029 1,847 Downloads 11,410 Views Citations
Optimal Water Pipe Replacement Policy (Articles)

Harrison O. Amuji, Chukwudi J. Ogbonna, Geoffrey U. Ugwuanyim, Hycinth C. Iwu, Okechukwu B. Nwanyibuife

Open Journal of Optimization Vol.7 No.2, June 8, 2018

DOI: 10.4236/ojop.2018.72002 1,193 Downloads 3,525 Views Citations

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