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

J. of Minerals and Materials Characterization and Eng. Vol.1 No.4，July 23, 2013

DOI: 10.4236/jmmce.2013.14026 4,549 Downloads 6,514 Views Citations
Studies on Extraction Behaviour of Cobalt(II) with Nitrobenzoylprazolone-5 (Articles)

Onyedika Gerald, Arinze Judith, Ogwuegbu Martin

J. of Minerals and Materials Characterization and Eng. Vol.1 No.3，May 24, 2013

DOI: 10.4236/jmmce.2013.13017 4,403 Downloads 6,024 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

J. of Minerals and Materials Characterization and Eng. Vol.11 No.7，July 25, 2012

DOI: 10.4236/jmmce.2012.117060 5,802 Downloads 7,569 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 450 Downloads 5,257 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 1,751 Downloads 3,673 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 497 Downloads 1,611 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

J. of Minerals and Materials Characterization and Eng. Vol.8 No.7，July 20, 2009

DOI: 10.4236/jmmce.2009.87046 5,324 Downloads 6,725 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 32 Downloads 157 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 6,358 Downloads 10,404 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 1,108 Downloads 3,348 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 11,902 Downloads 19,148 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 5,329 Downloads 8,467 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 8,491 Downloads 13,078 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 3,375 Downloads 5,995 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 3,846 Downloads 8,305 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 3,160 Downloads 4,401 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 10,995 Downloads 20,539 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 962 Downloads 2,349 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 1,712 Downloads 10,743 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 1,045 Downloads 2,915 Views Citations

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