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A review on hydrogen as a fuel for automotive application
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Rural women lifestyles: lessons from Nigeria
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Page will reload when a filter is selected or excluded.- Computer Science & IT 26 results 26
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- "Face recognition is an attractive field in enhancing both the security and the image retrieval activities in the multimedia world. Its natural basis in verification or identification purposes is a major factor of its wide acceptance in this evolving world of information technology. In this paper, experiments based on black African faces using Principal Component Analysis (OPCA) and Fisher Discriminant Analysis (OFDA) techniques were carried out. The design of the face recognition system was separated into three major sections - image acquisition and standardisation, dimensionality reduction, training and testing for recognition. Under static mode, experiments were performed on single scaled images without rotation, OPCA and OFDA both give recognition accuracies of between 89% and 97%;and) 88% and 98% respectively. These have been achieved at different levels of cropping. Despite the constraint created by the resources available, different results got showed that standard face recognition system could be developed using both algorithms. " 1 results 1
- ArXiv cs.CE Recent Papers 1 results 1
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- Automotive 1 results 1
- Background: Pre-labour rupture of membranes (PROM) contributes immensely to the potential risk of maternal morbidity and mortality. Objective: To explore the incidence and management outcome of PROM at Ladoke Akintola University of Technology Teaching Hospital (LTH), Ogbomoso, Nigeria Methods: A retrospective study of 61 cases of PROM managed at LTH, Ogbomoso over a 3-year period. Information on the socio-demographics and obstetrics characteristics, management instituted, and outcomes were obtained using a structured proforma. Data were analysed using SPSS version 20. Level of significance was set at <0.05 and 95% confidence interval. Results: The incidence of PROM was 4.1% with a perinatal mortality rate of 0.18 per 1000 deliveries. Twenty (33%) were pre-term while 41 (67%) were term PROM with 10% of the perinatal death occurring among those with preterm PROM. The mean age of the women was 36.9 (SD=2.1) years and median parity of 1(range 1-5) children. There was a significant association between the women’s gestational age at which PROM occurred with the latency period (p< 0.001). Fetal birth weight, apgar score and neonatal intensive care unit (NICU) admission were all significantly associated with the gestational age at which PROM occurred (p<0.05). There was a significant difference between the intervention instituted and mode of delivery (p=0.009). Conclusion: The incidence of PROM at term was high and conservative/ expectant management was effective. The latency period and fetal outcomes such as birth weight, apgar score and NICU admission were determined by the gestational age at which PROM occurred. 1 results 1
- Biotechnology 1 results 1
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- Chaos is one of the most important behavioural modes exhibited by dynamical systems and refers to the unpredictable, seemingly random, motion of trajectories of a dynamical system. In recent time, non-linear dynamics and chaos have become familiar in the technical vocabulary of most sciences and technology due to the various applications of chaos in these areas. Chaotic systems display chaotic behaviours only for specific range of values of their parameters. It is therefore important to understand the chaotic features as well as parameter values resulting in its emergence in systems. In this paper, the emergence of chaos in six chaotic systems was demonstrated using Simulink with specific initial conditions and parameter values. The simulation results obtained in form of time series illustrated noise-like waveforms which were unpredictable even after a long interval of time, while the phase portraits were irregular and sponge-like in appearance. The noise-like and unpredictable trajectories as well strange attractors observed clearly demonstrated the emergence of chaos the chosen parameter values. 1 results 1
- Civil & Construction 1 results 1
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- Curriculum || Education || Colonisation || Decolonisation || Education ||Self-reliance 1 results 1
- Digital education, Information and communications technology (ICT) 1 results 1
- Distance Education Programme (DEP) was introduced in the 1970s by some Nigerian universities as an alternative mode to the conventional delivery. However, reports have shown that the programme has been bedevilled by low quality learning, unethical practices and mismatch between policy and practice. Previous studies focused on enrolment, retention and analyses of some factors for motivating distance learners with less attention paid to evolution, practices and challenges of the programmes. Therefore, this study was designed to investigate the evolution, practices and challenges of the undergraduate DEP in dual-mode federal universities in South-Western Nigeria, 1974-2014. Cognitive Dissonance, Independent Study and Transactional Distance Learning theories provided the framework, while historical and descriptive survey methods were adopted. The DEP of the three accredited dual-mode federal universities in South-Western Nigeria were enumerated, namely University of Lagos Distance Learning Institute (DLI), University of Ibadan Distance Learning Centre (DLC) and the Obafemi Awolowo University Centre for Distance Learning (CDL), Ile-Ife. Primary data included oral interviews with the centre / institute directors and archival materials of the National Universities Commission (NUC) and sampled institutions, while secondary sources included relevant textbooks, journal articles, bulletins, periodicals and unpublished Ph.D theses. Questionnaires were administered to the 77 tutors, 102 administrative staff and 959 distance learning students that were purposively selected based on their experience. Historical and descriptive methods were employed for data analyses The DEP began in 1974 with the establishment of the University of Lagos Correspondence and Open Studies Unit which eventually transmuted to DLI in 1997. The University of Ibadan External Studies Programme later changed to the Centre for External Studies in 1988 and became DLC in 2002, the same year the CDL was established in Ile-Ife. Although the institutions ran DEP on part-time basis between 2002-2009, accreditation of courses by the NUC in 2011 transited the programmes to full-fledged practice. The period 2009-2014 featured improved institutional commitment, better compliance with the NUC guidelines, general increase in enrolment and a reduction of face-to-face interactions. The DLI, DLC and CDL organised orientation programmes for new students and packaged instructions into tablets, but conducted interactive sessions respectively at weekends, week days and two weeks to examinations. The weighted mean across the centres / institute was high against > 2.50 threshold in term of Capacity Development (CD), Learner Support Services (LSS) and Quality Assurance (QA) respectively. The mean values of DLI, DLC and CDL on CD, LSS and QA are (2.98 + 0.75; 2.84 + 0.85; 3.35 + 0.83), (3.10 + 0.75; 2.89 + 0.74; 3.35 + 0.50 and (3.08 + 0.85; 2.92 + 0.87 3.41 + 0.90) respectively. Despite constraints of low internet bandwidths and erratic power supply in the Universities, the undergraduate DEP had transformed from correspondence to a technologically-driven mode. Within the four decades of existence, the undergraduate Distance Education Programmes in dual-mode federal universities in South-Western Nigeria had witnessed better regulatory framework and improved productivity in spite of infrastructural constraints. To enhance better practice of the programmes, all stakeholders should be more committed. 1 results 1
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- IEEE Access 17 results 17
- Chinese Journal of Electronics 6 results 6
- PLOS ONE 5 results 5
- Advances in Power Electronics 4 results 4
- Fracture and Structural Integrity 3 results 3
- JMLR 3 results 3
- Accurate 2 results 2
- Facta Universitatis Series: Mechanical Engineering 2 results 2
- IET Cyber-systems and Robotics 2 results 2
- IET Renewable Power Generation 2 results 2
- Logical Methods in Computer Science 2 results 2
- ArXiv cs.CE Recent Papers 1 results 1
- ArXiv cs.CL Recent Papers 1 results 1
- ArXiv cs.HC Recent Papers 1 results 1
- Chinese Journal of Aeronautics 1 results 1
- Electronics Letters 1 results 1
- Exploration 1 results 1
- First Monday 1 results 1
- Geoenvironmental Disasters 1 results 1
- IEEE Journal of the Electron Devices Society 1 results 1
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