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DETERMINANTS OF RESIDENTIAL HOUSING CHOICE IN LAGOS STATE, NIGERIA
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TECHNICAL AND ECONOMIC EVALUATION OF NATURAL GAS RESOURCES FROM CAMPANO-MAASTRICHTIAN NKPORO SHALE OF ANAMBR...
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MATHEMATICAL MODELLING OF PNEUMATIC CLEANING OF COWPEA (Vigna unguiculata (L).Walp)
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Page will reload when a filter is selected or excluded.- Arts & Humanities 17 results 17
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- Poor finishing and aesthetic capabilities of metal fabrication companies in Nigeria have been identified as a major cause of the poor acceptance of locally fabricated products. This study was aimed at assessing some finishing and aesthetic capabilities of Nigerian companies.Five companies were selected for analysis. Their equivalent imported substitutes were identified for comparison.Ten basic operations(painting, electroplating, metal spraying, lapping, super finishing, abrasive belt grinding, buffing, parkerizing, polishing and chemical conversion coating) for accomplishing the three finishing processes (surface cleaning, surface smoothing and surface coating) on a given metal product were identified. Standard equipment types required for the operations were identified from the literature. The fabrication methods, practices and equipment types used by the companies to carry out the operations were compared with industry standards. The physical structures and aesthetics of the product were compared to the imported substitutes. The manpower level of each company based on the age, educational status, years of experience, familarity with finishing operation of workers was also evaluated. On the average the companies make only 40% of the standard finishing operation identified from the literature, 50% of the workers have post secondary school qualification and 50% have over 5 years experience on the job. Investment in equipment and technology is generally poor. It is concluded that comparatively, local metal fabricators lack the required finishing and aesthetics capabilities in area of equipment and manpower skills. 2 results 2
- Refrigeration, 2 results 2
- Seemingly unrelated regressions 2 results 2
- Solar, 2 results 2
- Students’ housing 2 results 2
- Systems theory 2 results 2
- Transit time 2 results 2
- University of Ibadan 2 results 2
- Women 2 results 2
- "A large percentage of Nigerian educational institutions use manual and paperbased system for collecting, processing, and disseminating information. This approach results in inefficient utilization of resources, low productivity and stunted growth of the educational sector. In this study the in-house users-development approach has been used to develop a computer based Educational Information Management System (ElMS) for a typical University academic department. The existing work system and the underlying Information flow pattern in a department were critically studied. The associated information needs were identified and analyzed. A broad review of the literature on Information Technology (IT) solutions were carried out to identify possible solutions frame work. Graphical User Interface (GUI) software embedded in Relational Database Management System (RDBMS), Microsoft Access was developed using Visual Basic Net. The software was deployed and tested using data from the department of Industrial Engineering, University of Ibadan. The GUI, compatible with the regular Windows environment, was shown to be user friendly. The capability of the EIS compares very well with the imported EIS systems. " 1 results 1
- "Colour Doppler sonography is used for visualization of blood flow,non-invasive evaluation of vascular resistance and measurements of velocities in renal and intrarenal arteries. Its usefulness in the evaluation of the kidneys ranges from the diagnosis of renal arterystenosis and renovascular disease to the assessment of intrarenal hemodynamics in several different pathological conditions such as essential hypertension, acute and chronicrenal failure, pre and post transplant assessment and graft:rejection. Objective:To determine the normal value of Renal Resistive Index in a healthy group of individuals in order to compare findings with those in existing literature and to serve as a normogram among Nigerians. Materials and Methods: Colour duplex Doppler sonography of interlobar arteries was performed in 68 patients with normal blood pressure, normal blood sugar and no known renal disease or any significant medical condition with normal B-mode sonography of their kidneys. The mean renal resistive index of the interlobar arteries was compared on the right and left, males and females and correlated with age, height, body mass index and renal volume. Results:The mean renal resistive index was 0.56 (±0.04) in the right and left kidney. No difference in mean was seen between the males and females. No significant correlation was seen with age ,height ,body mass index and renal volume. Conclusion: This study has provided normative value of renal resistive index' in a Nigerian population and established this data for use in future studies. " 1 results 1
- "Many engineering applications involve the problem of a dynamic loading property which is often hard to track and critical in design analysis. The winch-lift design learning software developed in this work incorporates the graphical display of dynamic loading on the cable or rope of the winch lift within the first seconds of its operation. The learning software allows the user to generate a profile of this load and its acceleration against time in order to obtain the maximum value of the load to be borne by the whole unit. This feature is underplayed in most engineering software which usually uses the static total nominal load for simplicity. The overall program flow is in three sections based on the software architecture. They are the study, practice and the assessment sessions. At the validation stage, the results generated were compared with those obtained by numerical procedures in literature. The results were in the same range with differences in values of the order 0.1%. In conclusion, a learning software for exploring motorized winch systems has been developed in this work. " 1 results 1
- "The motivation for the present study is derived from the fact that time rnanagernent is an integral part of good engineering practice. The present study investigated the quantification of the required computation time using two nonlinear and harmonically excited oscillators (Pendulum and Duffing) as case studies. Simulations with personal computer were effected for Runge-Kutta schemes (RK2, RK3, RK4, RK5, RK5M) and one blend (RKB) over thirty five thousand and ten excitation periods consisting the unsteady and steady solutions. The need for validation of the develope,d FORTRAN90. codes by comparing Poincare results with their conterpart from the literature informed the choice of simulation parameters However, the simulation time was monitored at three lengths of excitation period (15000, 25000 and 35000) using the current time subroutine call command. The validation Poincare results obtained for all the schemes including RKB compare well with the counterpart available in the literature for both Pendulum and Duffing. The actual computation time increases with increasing order of scheme. But suffered a decrease for the blended scheme. The diffencerence in computation time required between RK5 and RK5M is negligible for all studied cases. The actual computational time for Duffing (5-33seconds) remain consistently higher for corresponding Pendulum (3-23seconds) with difference (2-10seconds). Interestingly, the quantitative difference betweenthe corresponding normalised computation time for systems and schemes is insignificant. It is insensitive to systems and schemes and fonmed a simple average ratio{ (1.0) :(1.5) : (2.0) : (3.1) :(3.1) : (2.4)} for RK2, RK3, RK4, RK5, RK5M and RKB respectively. It is concluded that the end justified the means provided that computation accuracy is assured using the higher order scheme (with higher computational time ratio). " 1 results 1
- "The motivation for the present study is derived from the fact that time rnanagernent is an integral part of good engineering practice. The present study investigated the quantification of the required computation time using two nonlinear and harmonically excited oscillators (Pendulum and Duffing) as case studies. Simulations with personal computer were effected for Runge-Kutta schemes (RK2, RK3, RK4, RK5, RK5M) and one blend (RKB) over thirty five thousand and ten excitation periods consisting the unsteady and steady solutions. The need for validation of the develope,d FORTRAN90. codes by comparing Poincare results with their conterpart from the literature informed the choice of simulation parameters However, the simulation time was monitored at three lengths of excitation period (15000, 25000 and 35000) using the current time subroutine call command. The validation Poincare results obtained for all the schemes including RKB compare well with the counterpart available in the literature for both Pendulum and Duffing. The actual computation time increases with increasing order of scheme. But suffered a decrease for the blended scheme. The diffencerence in computation time required between RK5 and RK5M is negligible for all studied cases. The actual computational time for Duffing (5-33seconds) remain consistently higher for corresponding Pendulum (3-23seconds) with difference (2-10seconds). Interestingly, the quantitative difference betweenthe corresponding normalised computation time for systems and schemes is insignificant. It is insensitive to systems and schemes and fonmed a simple average ratio{ (1.0) :(1.5) : (2.0) : (3.1) :(3.1) : (2.4)} for RK2, RK3, RK4, RK5, RK5M and RKB respectively. It is concluded that the end justified the means provided that computation accuracy is assured using the higher order scheme (with higher computational time ratio). " 1 results 1
- "The problem of repetitive calculations involved in the comparative analysis of forecasted energy loads to determine the most applicable model out of a variety has been reduced by the development of a forecasting software algorithm done in this work. Three models and two test tools were catered for by the developed software at this preliminary stage. They are the linear, compound growth and cubic models while the test tools are the rank of correlation coefficient (ROCC) and the mean absolute percentage error(MAPE).The numerical modelling and forecasting procedures were presented and an algorithm flow chart was subsequently developed for the software. The programming language selected for the design of the software is MATLABJ because of its versatility in mathematical applications. On the completion of thesoftware, it was applied to an existing energy consumption case study available in literature to ascertain its reliability. The results obtained were in the range of the estimations found in literature. " 1 results 1
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- CLCWeb : Comparative Literature and Culture 2 results 2
- Glossa Psycholinguistics 2 results 2
- ICAME Journal 2 results 2
- Computational Intelligence and Neuroscience 1 results 1
- ExELL. Explorations in English Language and Linguistics 1 results 1
- Himalayan Linguistics 1 results 1
- International Journal of English Language Studies 1 results 1
- International Journal of Speech Technology 1 results 1
- International Journal of Turkic Dialects Research 1 results 1
- Sel?uk ?niversitesi Edebiyat Fak?ltesi Dergisi (SEFAD) / Sel?uk University Journal of Faculty of Letters 1 results 1
- Sustainable Multilingualism 1 results 1
- Söylem Filoloji Dergisi / Söylem Journal of Philology 1 results 1
- The Vernal Pool 1 results 1
- Topics in Linguistics 1 results 1
- WikiJournal of Humanities 1 results 1
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