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Search Results: 1 - 10 of 292 matches for " Funmilyo Lawal "
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Sending Safety Video over WiMAX in Vehicle Communications
Jun Steed Huang,Oliver Yang,Funmilyo Lawal
Future Internet , 2013, DOI: 10.3390/fi5040535
Abstract: This paper reports on the design of an OPNET simulation platform to test the performance of sending real-time safety video over VANET (Vehicular Adhoc NETwork) using the WiMAX technology. To provide a more realistic environment for streaming real-time video, a video model was created based on the study of video traffic traces captured from a realistic vehicular camera, and different design considerations were taken into account. A practical controller over real-time streaming protocol is implemented to control data traffic congestion for future road safety development. Our driving video model was then integrated with the WiMAX OPNET model along with a mobility model based on real road maps. Using this simulation platform, different mobility cases have been studied and the performance evaluated in terms of end-to-end delay, jitter and visual experience.
Factors Affecting Academic Achievement of Students in Senior School Certificate Examination (SSCE) in Christian Religious Knowledge
BObZ Lawal
African Research Review , 2010,
Abstract: The study investigated the factors affecting academic achievement ofstudents in Senior School Certificate Examination (SSCE) in ChristianReligious Knowledge. A total of three hundred students in SS III from five secondary schools were randomly selected and used as sample for the study. Five hypotheses were tested, using chi-square analysis. The study established the following: Students who have positive attitude, interest and good perception of the subject perform better than those with negative attitude towards Christian Religious Knowledge. Students from high socio-economic status perform better than those from low socio-economic background in Christian Religious Knowledge. Students from private primary schools perform better than students from public schools in Christian Religious Knowledge. Girls perform better than boys in Christian ReligiousKnowledge. Arts oriented students show more superiority in ChristianReligious Knowledge compared to science students. Recommendations thatcan enhance the students achievement in the subject were made.
Board Dynamics and Corporate Performance: Review of Literature, and Empirical Challenges
Bello Lawal
International Journal of Economics and Finance , 2011, DOI: 10.5539/ijef.v4n1p22
Abstract: This paper is an attempt to conduct a comprehensive survey of relevant literatures in respect of the relationship between board dynamics and firm performance. The investigation reveals that equivocal findings still dominates most of the previous studies on key board dynamics such as Size, composition, CEO Duality and Diversity amongst others. While the need to assess the connection between board characteristics and corporate performance would for a longtime remained a legitimate and interesting area of investigation, the paper recommend that the researchers avoid mistakes of the past. These include over reliance on singular theory, the use of lone performance measure and most importantly the assumption of express relationship between the two variables. The use of more purposeful process based approach that identifies the cause effect of the relationship would be of tremendous benefit to this vital field of study.
Genetic control of protein and glucose-anabolic-enzyme syntheses by Saccharomyces cerevisiae in the fermentation of a Nigerian rice, Oryza sativa variety “Igbimo”  [PDF]
Bolatito Esther Boboye, Helen Adetoun Lawal
Advances in Bioscience and Biotechnology (ABB) , 2011, DOI: 10.4236/abb.2011.25052
Abstract: This work aimed at the control of the production of protein and glucose-anabolic-enzyme (GAE) by Saccharomyces cerevisiae during the fermentation of a Nigerian rice, Oryza sativa variety “Igbimo”. The yeast was mutated with ethylmethyl sulphonate. The variants and the parental yeast were separately inoculated into cooked rice and allowed to ferment at 27℃ for 7 days after which protein content and glucose-anabolic-enzyme synthesis were determined using Dinitrosalicylic acid and Biuret reagents techniques. Mutants with varying capacities to form protein and GAE were obtained. Glucose-Anabolic-Enzyme (GAE) activity ranged from 0.25 to 12.06 Units forming five groups (classes 1, 2, 3, 4 and 5) with the average activity of 0.52, 1.52, 2.28, 4.04 and 10.63 Units respectively compared with that (0.38 Unit) of the parent strain. All the mutants synthesized protein although many of them produced it at lower level while others at higher level than the wild-type. The highest (5.92 mg/mL) and lowest (0.10 mg/mL) levels protein producers are mutants 44 and 14 respectively. Mutants No. 4, 7, 22 and 78 formed total protein similar in concentrations (1.46, 1.46, 1.45 and 1.45 mg/mL) to that of the wild yeast (1.46 mg/mL). These three sets of protein concentration have ratios 4.1 (highest), 0.07 (lowest) and 1.0 (normal) to that of the parental yeast.
Optimization of Blasting Parameters Using Regression Models in Ratcon and NSCE Granite Quarries, Ibadan, Oyo State, Nigeria  [PDF]
Jide Muili Akande, Abiodun Ismail Lawal
Geomaterials (GM) , 2013, DOI: 10.4236/gm.2013.31004
Abstract:

This research examines optimization of blasting parameters for economic production of granite aggregates in Ratcon and NSCE quarries located atIbadan,OyoState. Samples were collected from the study areas for the determination of rock density and porosity. Schmidt hammer was used for in situ determination of rock hardness. Uniaxial compressive strength of in situ rock was estimated from the values obtained from Schmidt hammer rebound hardness test and density determined from laboratory test. Blasting data were collected from the study areas for optimization. Multiple regression analysis using computer aided solution SPSS (Statistical Package for the Social Sciences) was used to analyse data obtained from the laboratory test, field test and the study areas. The estimated mean uniaxial compressive strength value of NSCE is 240 MPa and that of Ratcon is 200 MPa and their average densities and average porosities are2.63g/cm3,2.55g/cm3, 1.88% and 2.25% respectively. Eleven parameters were input into the multiple regression analysis to generate the models. Two parameters out of eleven input parameters such as geometric volume of blast (Y1) and number of boulders generated after blasting (Y2) were dependent variables and the remaining nine such as X1 (Drill hole diameter), X2 (Drill hole depth), X3 (Spacing), X4 (Burden), X5 (Average charge per hole), X6 (Rock density), X7

Use of Laryngeal Mask Airway in the Management of a Difficult Airway: A Case Report  [PDF]
Elizabeth Ogboli-Nwasor,Ahmad Tijjani Lawal
Open Journal of Anesthesiology (OJAnes) , 2013, DOI: 10.4236/ojanes.2013.32024
Abstract: Background: Difficulty in management of the airway occurs most frequently in patients who have Mallampati grade III and IV, and other unfavourable airway findings like short neck, restriction in range of motion of the temporoman-dibular joints and inadequate neck flexion and extension. Because of unavailability of fibreoptic bronchoscopes or inexperience in their use, laryngeal mask airway (LMA) has become a common and acceptable airway management option. This is a case report of a postmenopausal woman who had her airway managed with LMA following initial failed intubation necessitating a rescheduling of the operation. Result: The patient had a successful surgery and postoperative recovery was uneventful. Conclusion: The LMA is a useful option in the management of an anticipated or unexpected difficult airway, especially in resource-poor settings where fibreoptic bronchoscopes may not be readily available.
Use of Laryngeal Mask Airway in the Management of a Difficult Airway: A Case Report  [PDF]
Elizabeth Ogboli-Nwasor, Ahmad Tijjani Lawal
Open Journal of Anesthesiology (OJAnes) , 2013, DOI: 10.4236/ojanes.2013.32024
Abstract:
Background: Difficulty in management of the airway occurs most frequently in patients who have Mallampati grade III and IV, and other unfavourable airway findings like short neck, restriction in range of motion of the temporoman-dibular joints and inadequate neck flexion and extension. Because of unavailability of fibreoptic bronchoscopes or inexperience in their use, laryngeal mask airway (LMA) has become a common and acceptable airway management option. This is a case report of a postmenopausal woman who had her airway managed with LMA following initial failed intubation necessitating a rescheduling of the operation. Result: The patient had a successful surgery and postoperative recovery was uneventful. Conclusion: The LMA is a useful option in the management of an anticipated or unexpected difficult airway, especially in resource-poor settings where fibreoptic bronchoscopes may not be readily available.
Criteria for Maximizing Jobs in Imperfect Production Centers  [PDF]
Sulaiman Sani, Hamisu Musa, Mustapha Lawal Malumfashi
Applied Mathematics (AM) , 2017, DOI: 10.4236/am.2017.89094
Abstract: The imperfect production center complexity to do with job maximization strategies is shown to have some criteria under which an optimal solution exists. 2010 Subject Classification: 60K25, 97M40, 35Q93
An evaluation of waste control measures in construction industry in Nigeria
AB Wahab, AF Lawal
African Journal of Environmental Science and Technology , 2011,
Abstract: Improper control of materials during different stages of construction has caused waste and associated environmental problems. Hence, this research assesses the forms, causes and factors incidental to waste and measures to effectively control construction waste. It is shown that among the factors incidental to waste, last minute client requirement was ranked highest as the factor that leads to design variation with relative importance index value of 3.97; cost of construction materials was ranked highest as a factor that affects selection of construction materials with relative importance index value of 4.05, and construction cost was ranked highest as the factor that leads to construction method with relative importance index value of 3.86. The research also showed that most of the firms do not calculate waste indices which could assist them to determine the amount of waste that could be generated on sites. Sorting exercise that could help firms to identify economy advantage associated with the waste streams is not adequately carried out. It was also discovered that most firms do not incorporate “waste management plan” into the collection of documents that are required of contracting firms during tendering process. To control waste, designers should be able to co-ordinate dimensions between materials specified during design and those procured for use at sites. There is need to allow proper control in the handling, storage and use of materials on site. Also, “waste management plan” should be incorporated as one of the documents dearly expected to be submitted by contracting firms during tendering process.
Synthesis, characterization and antibacterial activity of aspirin and paracetamolmetal complexes
A Lawal, JA Obaleye
Biokemistri , 2007,
Abstract: Novel complexes of Co (11), Ni (11) and Fe (111) with aspirin and paracetamol have synthesized and characterized using infrared, electronic and Hnmr spectral, melting point and conductivity measurements. The two ligands have been found to act as bidentate chelating agents. Aspirin complexes coordinate through the carbonyl oxygen of the carboxyl and the ester groups, while paracetamol complexes coordinate through the oxygen of the hydroxyl and the amide groups. Antibacterial screening of the complexes against Bacillus substilis, Serratia species and Escherichia coli, was also investigated. The metal complexes were found to have varied degree of inhibitory effect against the bacteria.
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