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1 2 INTER-WORLD JOURNAL OF SCIENCE AND TECHNOLOGY VOLUME 4 AUGUST 2014 NUMBER 4 ISSN-1597-488X Blended Learning Versus Conventional Learning Approach in Teaching Science Schools in Owerri Municipal Council, Imo State, Nigeria Obasedo Roseline A. Nwaeze U.C.; Mba O. Mba; Ibe C. O.; and Mbadiugha C.N. Evaluation of the Nutrient Content of Avocado Seed ( Persea Americana ) Okere C.S.; Ogwo V.; Okorie A., Osuoha V., Ukpai Kalu U; and Azoro A.V. Natural Petroleum: Chemistry and Valuable Products Fractions Azunna I.B. Ekejiuba Effects of Aqueous Extracts of Capsicum. Fruitensce, Azadirachta. Indica, Zingiber Officinale, Eucalyptus Spp, and Venonia. Amygdalina, On Some Important Insect Pests of Cowpea Vigna Unguiculata , (L) Walp. Isika P.I, Azuike P. and Okoro L. New Model Standoff Casing Pipes and Liner Pipes For High-angle, Horizontal, Multilateral and Tie-back Wells. Azunna I.B. Ekejiuba Study of Water Cement Ratio Influence on Strength Characteristics of Millet Stem Ash (MSA) Concrete Oseni Olumide Waheed Identification of Gifted Children in Basic Sciences for Early Training and Harnessing of the Potentials in Nigeria. Ikwuanusi, E.N andOzioko, S.U Ipomea Batatas (Sweet Potatoes): A Sustainable Source of Food and Ethanol for the Achievement of Millennium Development Goals. Ogbuneke R. U., Ngwu S. U., and Okonkwo S. I. Information Communication Technology (Ict): A Value Added Imperative For Library Operation And Services In The 21 st Century Nigerian Library Oti Ifeanyichukwu Microbial Evaluation of Frozen Fish Sold in Makurdi Metropolis in Nigeria Nwachukwu, C.N; Igyor, M, A and Okorie, S.U. A Review of Demand side Managemtn and Climate Change Mitigation on Electrical Energy Lawal Abdur-Raheem Olasupo; and Adeoti, J. Adeshina Cumulative Potential Petroleum Deposit in the Provincial Geology of Nigeria Azunna I.B. Ekejiuba Compressive Strength Properties of Millet Stem Ash Concrete in Structures Oseni, Olumide Waheed Models Developed For Leak Locating Estimation in Oil Pipelines Obibuike Ubanozie Julian, Anyadiegwu C.I. and Abonyi Chukwunonso 3 Development of Gas Utilisation Model in Nigeria Obibuike U. J., Anyadiegwu C.I.C, Ogwo, O. J and Ekeh O. Cynthia Enhanced Recovery Assessment of a Gas Condensate System Using Experimental Design Approach Kevin Igwilo, Ogbunude Basil, Ubanatu Samuel, Comparative Approach to Optimum Selection of Artificial Lift System Igwilo Kevin Chinwuba, and Ubanatu Samuel, INTER-WORLD JOURNAL OF SCIENCE AND TECHNOLOGY VOLUME 4 AUGUST 2014 NUMBER 4 ISSN-1597-488X Blended Learning Versus Conventional Learning Approach in Teaching Science Schools in Owerri Municipal Council, Imo State, Nigeria 1-13 Evaluation of the Nutrient Content of Avocado Seed ( Persea Americana ) 14-21 Natural Petroleum: Chemistry and Valuable Products Fractions 22-53 Effects of Aqueous Extracts of Capsicum. Fruitensce, Azadirachta. Indica, Zingiber Officinale, Eucalyptus Spp, and Venonia. Amygdalina, On Some Important Insect Pests of Cowpea Vigna Unguiculata , (L) Walp. 54-66 New Model Standoff Casing Pipes and Liner Pipes For High-angle, Horizontal, Multilateral and Tie-back Wells. 67-89 Study of Water Cement Ratio Influence on Strength Characteristics of Millet Stem Ash (MSA) Concrete. 90-106 Identification of Gifted Children in Basic Sciences for Early Training and Harnessing of the Potentials in Nigeria. 107-113 Ipomea Batatas (Sweet Potatoes): A Sustainable Source of Food and Ethanol for the Achievement of Millennium Development Goals. 114-119 Information Communication Technology (Ict): A Value Added Imperative For Library Operation And Services In The 21 st Century Nigerian Library 120-129 4 Microbial Evaluation of Frozen Fish Sold in Makurdi Metropolis in Nigeria 130-137 A Review of Demand side Managemtn and Climate Change Mitigation on Electrical Energy 138-148 Cumulative Potential Petroleum Deposit in the Provincial Geology of Nigeria 149-172 Compressive Strength Properties of Millet Stem Ash Concrete in Structures 173-191 Models Developed For Leak Locating Estimation in Oil Pipelines 192-203 Development of Gas Utilisation Model in Nigeria 204-226 Enhanced Recovery Assessment of a Gas Condensate System Using Experimental Design Approach 227 – 240 Comparative Approach to Optimum Selection of Artificial Lift System 241-255 INTER-WORLD JOURNAL OF SCIENCE AND TECHNOLOGY CALL FOR PAPER ã Inter-World Journal of Science and Technology. ã Inter-World Journal of Medical and Dental Science. ã Inter-World Journal of Educational, Social and Economic Studies. ã Inter-World Journal of Earth and Environmental Science. ã Inter-World Journal of Information and Information Studies. ã Inter-World Journal of Law and Jurisprudence. ã Inter-World Journal of Management and Development Studies.