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Search Results: 1 - 10 of 387047 matches for " J.O. Gwendo "
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A Knowledge-based System for Selection of Trees for Urban Environments
J.O. Gwendo,L. Muchemi
Journal of Artificial Intelligence , 2012,
Abstract: Urban forestry is key in mitigating the environmental effects of urbanization however urban environments presents arboricultural challenges such as limited root and canopy space, poor soil quality, deficiency among others. This study presents findings of investigation into challenges caused by planting of inappropriate tree species and proposes a knowledge-based model. The model is validated through experiments based on a prototype that assists in the selection of the appropriate tree species for the diverse urban environments. Through the research it was evident that a better understanding of how urban ecosystems functions, how to take care of trees, where to strategically plant them and how to maintain them is the only way to maximize potential benefits of urban trees. The prototype was evaluated through selected test cases and the results were fairly accurate and promising when compared with the results of domain experts. Such a system would assist Governments, city-planners and conservationists to plan in advance for urbanizations threats to nature and thus shape the growth of cities through incorporation of successful urban forests initiatives.
Justicia dramática: una comparación entre estructuras literarias y jurídicas
Cofré,J.O;
Estudios filológicos , 2004, DOI: 10.4067/S0071-17132004003900008
Abstract: starting from a dialogic underlying structure, the paper intends to show the incredible similarity between "actors", functions and constitutive dramatic elements between a greek tragedy and a modern oral trial, as contemporary trial systems are used.
Un Modelo para la Distribución Racional de la Actividad Académica en una Universidad
Valderrama,J.O.;
Información tecnológica , 2005, DOI: 10.4067/S0718-07642005000300002
Abstract: some ideas and concepts about the work of a university professor are presented and a model to better distribute the academic work in a university is proposed. the model considers the usual activities of any chilean university but can be adapted to any other university in ibero america, in a simple way. the proposal has the main objective of quantifying in the best possible manner the work done by an academician so he or she can do in a proper and efficient way all the activities of a true university: teaching, research and community service, and not only teaching as erroneously considered in several universities. the model has been randomly applied in several iberoamerican universities. all the academicians that have voluntarily collaborated in the tests have ratified the quality of the model and the accuracy of the results.
Application of the RPN methodology for quantification of the operability of the quadruple-tank process
Trierweiler, J.O.;
Brazilian Journal of Chemical Engineering , 2002, DOI: 10.1590/S0104-66322002000200001
Abstract: the rpn indicates how potentially difficult it is for a given system to achieve the desired performance robustly. it reflects both the attainable performance of a system and its degree of directionality. two new indices, rpn ratio and rpn difference are introduced to quantify how realizable a given desired performance can be. the predictions made by rpn are verified by closed-loop simulations. these indices are applied to quantify the io-controllability of the quadruple-tank process.
Statistical mechanics model for orientational motion of two-dimensional rigid rotator
J.O Malo
African Journal of Science and Technology , 2005,
Abstract: A comparison of thermodynamics properties of two-dimensional linear rigid rotator is presented in the absence, and presence of an impressed weak electric field at low and high temperatures. It is shown that specific heat and entropy fall off rapidly at low temperatures. At ultra low temperatures, the entire normal entropy is lost and we have complete ordering by the impressed field. In the classical limit it is shown that there is a temperature dependent polarizability
Theoretical and Conceptual Aspects of Innovation: Supply Chain Management of Automobile Manufacturing Industry
Oluwoye, J.O.
Journal of Engineering and Applied Sciences , 2012,
Abstract: As the business environment of automotive manufacturing grows in complexity, management decision making of manufacturer becomes more difficult. Vast sources of information become available that often add to the decision-maker`s confusion. The purpose of this paper are two folds (1) to develop a conceptual model of process of innovation in auto industry and (2) to discuss the various symbolic models and techniques available for Automotive Production Coordinator (APC) use in decision-making towards planning and controlling responsibilities of auto manufacturing. The mathematical model comprises four types, namely heuristic, algorithmic, mathematical programming, network and simulation. It should be noted here that most of the mathematical models to be considered in this paper are essentially algorithmic models. It is envisaged that this theoretical model provides a useful tool for decision rules in assisting the auto production coordinator in planning and management of purchasing, manufacturing and distribution of automobile.
Modeling Water Movement in Furrow Irrigation
J.O. Aribisala
Journal of Engineering and Applied Sciences , 2012,
Abstract: A green element formulation was developed for horizontal flow as found in furrow irrigation. The model was tested on clay and sandy soils. An integral equation was developed using a one-dimensional horizontal equation for flow through unsaturated soils. The integral equation was implemented by discretize the soil column into elements. The values of the soil water content and the fluxes were obtained directly from the formulation. The soil water content profiles obtained were compared with that of vertical infiltration under the same condition.
Evaluation of Yield and Quality Performance of Grain Amaranth Varieties in the Southwestern Nigeria
J.O. Olaniyi
Research Journal of Agronomy , 2012,
Abstract: The production and use of amaranth as leaf vegetable and grain production and consumption, calls for more efforts in selecting varieties with high chemical composition and nutritive values. Four varieties of grain amaranth were evaluated for growth, yield, chemical composition and nutritive values in southern guinea savanna of southwestern Nigeria in 2003 and 2004. The varieties tested were NH84/451, NH84/452, NH84/494 and NH84/493-1. These were assigned randomly into three blocks and fitted into a randomized complete block design. Growth, yield and quality data were collected and subjected to analysis of variance and significant means compared using Duncan Multiple range test. Results revealed that the plant height and number of leaves of grain amaranth varieties increased as the plant aged. There were significant (p< 0.05) differences among the varieties from one sampling occasion to another in the 2 years. The highest growth, shoot and grain yields parameters were recorded from NH84/493-1 closely followed by NH84/451 while NH84/452 gave the lowest values in both cropping season. In the two growing seasons, there were significant (p< 0.05) different between the fresh and dry matter yields of different plant parts among the varieties with the stem recorded the highest values. The chemical compositions and the nutritional values in the leaves, stems and roots varied significantly among grain amaranth varieties with the leaves recorded the highest values. The distribution of protein, fat, carbohydrate, fibre and minerals in the plant parts of the grain amaranth were similar irrespective of the varieties. Although, all the four grain amaranth varieties are good sources of quality and mineral elements, the consistent better performance in term of higher yield and nutritive values in both planting seasons of NH84/493-1 variety confirmed its ability to thrive well in the southern guinea savanna zone of Nigeria and its related ecological zones.
Land Transport and HIV Vulnerability: A Conceptual Framework of Vulnerability of Road Users, Road and Environment
J.O. Oluwoye
Research Journal of Medical Sciences , 2012,
Abstract: A highway facility must, to varying degrees, serve three interests simultaneously, the road user, the abutting property owner and the general public. AIDS is not just a public health concern in the sub-Saharan Africa. The epidemic threatens to reverse decades of development. The more people travel the faster and further HIV can spread. Thus, population movement in the form of transportation usage is an important factor in the spread of AIDS. The purpose of this paper is to develop a conceptual framework for reducing the HIV/AIDS vulnerability of road users and their environment through a systems approach based on a transport sector s unique attributes. It is anticipated that development planning and creative problem solving can also lead to new modes of cooperation within the transport sector, enabling economic survival in places most severely impacted by the HIV epidemic. The transport sector has unique potential to contribute to the reduction of HIV transmission. Many of the situations in which HIV spreads can be changed through strategies and policies relating to the transport sector. The study concludes that strategic planning can reduce the number of people infected and help ensure that everyone is prepared for challenges that will arise from widespread illness and death through assessing impacts and charting longer-term directions as the basis for shorter-term tactical and operational actions.
Impact of Effluents from Garri Processing Industries on the Environment in Bida, Niger State of Nigeria
J.O. Okafor
Journal of Engineering and Applied Sciences , 2012,
Abstract: Effluent and soil samples were collected from 5 different garri processing industries in Bida. Soil samples were obtained 5 m away from each discharge point. Result obtained from Efumadami discharge point showed that pH, BOD5, COD, total solid has the highest values of 4.0, 616, 400 and 700 ppm, respectively while those from Efumayaki has the lowest values of pH, BOD5, COD, total solid with 4.3, 513, 120 and 420 ppm, respectively. It was equally of interest to observe that most of the ions tested for in the soil samples increased as the depth of collection increased. The soil samples were observed to be seriously polluted by cyanide ion. A two-way ANOVA showed that as the depth of collection of soil samples increased, cyanide concentration also increased.
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