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   3,450 Downloads  4,641 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   3,917 Downloads  5,073 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   5,239 Downloads  6,616 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   1,135 Downloads  1,734 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   100 Downloads  298 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   4,588 Downloads  5,576 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   5,631 Downloads  9,000 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   465 Downloads  963 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   10,025 Downloads  16,617 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   4,610 Downloads  7,328 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   6,521 Downloads  9,864 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   2,937 Downloads  4,556 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   2,764 Downloads  3,886 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   2,728 Downloads  3,252 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   7,702 Downloads  12,849 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   599 Downloads  1,156 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   934 Downloads  5,158 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   654 Downloads  1,515 Views  Citations

Characterization of the Upper Cretaceous Sediments in the Ikpankwu-Ihube Axis, Okigwe, Southeastern Nigeria (Articles)

Samuel Okechukwu Onyekuru, Chukwuma Julian Iwuagwu, Joy Okenyi, Kelechi Denis Opara, Ukamaka Nwachiani Nwigbo

International Journal of Geosciences Vol.10 No.6，June 30, 2019

DOI: 10.4236/ijg.2019.106041   560 Downloads  752 Views  Citations

Model for the Calculation of the Concentration of Dissolved Hematite during Hydrogen Peroxide Leaching of Iron Oxide Ore (Articles)

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

J. of Minerals and Materials Characterization and Eng. Vol.8 No.5，May 20, 2009

DOI: 10.4236/jmmce.2009.85030   6,623 Downloads  7,899 Views  Citations