Access And Use Of Information And Communication Technology For Administrative Purposes By Institutional Administrators In Colleges Of Education In Nigeria: An Example Of Emmanuel Allayande College Of Education, Oyo

This study examined the access and use of Information and Communication Technology for administrative purposes by Institutional Administrators in Emmanuel Alayande College of Education, Oyo. The study states the various ICT resources that can be used for effective and efficient institutional administration. The study highlights the role of ICT in institutional administration. A sample of forty five institutional administrators was drawn from the college. A questionnaire tagged “ICT and College of Education Administration” was used to collect the data needed for the study. The instrument solicited for information on the ICT facilities available for administrative purpose in the college, extent of using ICT by institutional administrators’ for administrative purpose and their attitude toward ICT usage and administrative effectiveness of college of education administration. The result of the study revealed that there are inadequate ICT facilities in the college which institutional administrators can be used to perform different administrative purposes effectively. Also, the findings showed that the level of ICT usage of the institutional administrators for administrative purposes is very low. The findings also revealed that a significant relationship exists between ICT usage and Administrative Effectiveness of College of Education Administration. However, administrators’ gender differences have no influence on their attitude towards ICT usage and Administrative Effectiveness of College of Education Administration. Recommendations are suggested that need assessment should be carried out to facilitate development and deployment of ICT in Colleges of Education and government should look into the issues of funding of education in general and ICT in particular. Also the institutional administrators should be encouraged to be ICT driven so as to boost their productivity

Organic geochemical analysis of shaly facies from two wells within Anambra Basin, Southeastern Nigeria

Organic geochemical analysis of two selected wells penetrating shale facies of the Anambra basin was conducted with the view of evaluating the section in terms of quantity and quality of organic matter, genetic potential, organic matter type, thermal maturity as well as determining the type of hydrocarbon that could be generated. Geochemical parameters such as Total Organic Carbon (TOC), S1 (representing free and adsorbed hydrocarbons present), S2 (representing hydrocarbons generated directly from the kerogen), S3 (carbon dioxide CO2 present) and maximum temperature (Tmax) as well as Hydrogen Index (HI), Oxygen Index (OI), Production Index (PI) and Genetic Potential (GP) were derived and calculated from the pyrolysis data. Result indicated that Well 1 samples have an average TOC of 1.21 wt % which is considered good in organic matter quantity and fair in quality, while Well 2 samples are organically lean, poor in quantity and quality with average TOC value of 0.15 wt %. The Genetic Potential (GP) expressed as (S1+S2) for Well 1 and Well 2 averages 2.03 and 0.68 mg HC/g respectively, indicating, a poor generational potential. The HI, OI and S2/S3 values of Well 1 samples are 146.56 mg HC/g, 226.78 mg HC/g and 0.86 respectively which on plots suggest the kerogen as type IV although few samples fall within the type III area. This contrasts with Well 2 samples having HI, OI and S2/S3 values as 343.67 mg HC/g, 276.78 mg HC/g and 1.26 respectively. Thus making the kerogen type to be interpreted as type III. Judging from Tmax (average of 441.670C for Well 1 and 470.440C for Well 2) and PI (average of 0.13 for Well 1 and 0.24 for Well 2) values, Well 1 samples are within the oil generating window whereas Well 2 samples are overmatured generating dry gas. Deductions from the result of geochemical analysis, depicts that the kerogen of Well 1 samples will generate oil while that of Well 2 samples have propensity to generate dry gas

Transmission Network Enhancement with Renewable Energy

Wind and solar energy play an important role in the de - carbonization of electricity generation. However, high shares of these Variable Renewable Energies (VREs) challenge the power system considerably due to their temporal fluctuations and geographical dispersion. This paper systematically reviews and analyzes transmission grid extensions as an integration measure for VREs. Effects of grid extensions for fundamental properties of the power system as a function of the penetration and mix of wind coupled with solar energy were revealed in the study. The paper also provides an overview of the system implication of wind and solar PV energy and investigates a way to partly overcome transmission grid extension

Effect of Land Use on Soil Degradation and Soil Productivity Decline on Alfisols and Ultisols in Ogun State in South Western, Nigeria

One of the critical factors influencing land degradation is land use. However, the extent to which land use influences land degradation has not been fully ascertained in the southwestern part of Nigeria (i.e. particularly in Ogun State). Thus, this study was designed to assess the extent to which land use influences crop productivity in Ogun State. Two major soil types identified at the site were Alfisols and Ultisols. Within these, three land use types (LUT) were identified: arable crop - Land Use 1, cash crop production - Land Use 2, and non-agricultural use – Land Use 3. Th ese were evaluated for three commonly cultivated crops in the area, namely: maize, cassava and oil palm, using the FAO framework for Land Sustainability Evaluation (LSE). Soil degradation levels were assessed under three LUTs using parametric approach. Descriptive statistics and rank ordered correlation were used for the data analysis. The results of the LSE showed that all the pedons were marginally suitable (S3) for maize, 60 % were of moderate (S 2) and 40 % of marginal (S 3) suitability for cassava respectively. However, for oil palm, 47 % of the lands were classified as being marginally suitable (S 3) while 53 % were not suitable (N). The major limitations identified were sub-optimal, poor soil (i.e. texture(s) and fertility), poor drainage/ wetness (w), steep topography (t), and sub-optimal climate (c) (i.e. annual rainfall, mean annual temperature and length of growing season). Parametric assessment revealed that chemical degradation was moderate within LUT 2, but ranged between slight to none in LUTs 1 and 3 respectively. Land uses 2 and 3 were slightly degraded physically, while 1 was moderate. Land use was found to be significantly (P < 0.01) correlated with land degradation (r = 0.47**) at all sites. The degradation level ranked from moderate to high due to inappropriate land uses. Thus, it is recommended that in all LUTs must be a careful choice of appropriate use of land in order to reduce degradation

Synchronous Generator Excitation Chatter-Free Sliding Mode Controller

A chatter-free sliding mode controller (SMC) for synchronous generator excitation is presented in this paper. A linearized model of a single machine connected to an infinite bus is employed to design a variable-structure controller which not only stabilizes the system, but also ensures that this is maintained in the face of system parameter variations. Validating the robustness feature of an SMC, simulation results that show the dynamic performance of the system under both constant excitation and SMC-controlled excitation are presented