372 research outputs found
Good Governance: A Step towards Promoting Positive Attitude and Enhancing Productivity in the Civil Service
This is a research about good governance in the civil service. Five federal organizations served as research population: Ministry for Capacity Building, Ministry of Revenue, Federal Civil Service Agency, Ethiopian Civil Service College, and Ethiopian Management Institute. Fifty-six (56) respondents served as research sample. The research was conducted through the use of a research instrument (opinionnaire). Percentage (%) and Chi square (X2) were used as statistical tools. It was found out that reform program pays equal attention to all citizens; financial regulations are violated in Government expenditure; service delivery is poor in the Civil Service; unethical practices do exist in Civil Service; top management system is poor; and Civil Service (HR) is ineffective. Based on the research findings it was recommended that Civil servants need a lot more of education, training and development. African Research Review Vol. 2 (1) 2008: pp. 19-4
Assessment of heavy metals in water and fish from Ibrahim Adamu Lake, Jigawa, Nigeria
The study was conducted to assess the levels of heavy metals in water and the flesh of tilapia (Oreochromis niloticus). Water and tilapia were sampled for a period of 12 months from October, 2003-september 2004. Water and muscle tissue were analysed for Cu, Cr, pb, and Zn using flame atomic absorption spectrophotometer. The assessment showed Cr (3.35mg/l), Cu (0.75mg/l), pb (0.81mg/l) in water while Cr(2.27mg/kg) and pb (0.27mg/kg) were found to be high in the tissue samples and were above the values recommended by WHO and the Food and Agricultural Organization (FAO)of the United Nations and therefore not safe for human consumption
Effect of Values Clarification Counselling Technique on Aggressive Behaviour among Senior Secondary School Students in Kontagora Metropolis, Niger State
This study examined the effect of values clarification counselling techniques on aggressive behaviour among senior secondary school students in Kontagora metropolis, Niger State. Pretest posttest quasi experimental research design was adopted. The target population for the study consists of senior secondary school students. A sample size of 15 participants was purposively selected from senior secondary school two students for the study consisting of 11 males and 4 females. An instrument titled Students Aggressive Behaviour Questionnaire (SABQ) was used to obtain data for both pre and posttest. The intervention sessions lasted for ten weeks (two sessions of 60 minutes each per week) during the third term 2021/2022 academic session. Data collected were analyzed using descriptive statistical tools of mean, standard deviation and inferential statistical tools of paired sample t-test. The findings revealed that values clarification counselling technique had a significant effect on hostile, emotional and relational aggressive behaviour among students with t=11.00, p=.000; t=6.15, p=.000 and t=7.54, p=.000 respectively. It was concluded that values clarification counselling technique was effective in reducing aggressive behaviour among senior secondary school students. It was therefore recommended among others that, school counsellors and psychologists should employ values clarification counselling techniques in reducing aggressive behaviour among senior secondary school students
Epidemiological aspects of surgical site infections in an income country. The case of regional hospital center, Borgou (Benin)
ABSTRACT
Background: Surgical site infection is frustrating for the care team and depressing for the patient. Objective: To
determine the epidemiological aspects of surgical site infections in regional hospital, Borgou. Methods: The study
was crossed with prospective data collection. Recruitment was done for six months (from February 2013 to July 2013),
each patient operated in both surgical services (general surgery and maternity) consents to be followed for one month
or year. The surgical site infection was defined according to the CDC/NHSN 2009. Results: The frequency of surgical
site infections was 7.3% (44/603). The mean age was 30.7 ± 15.8 years with minimum and maximum of 5 months and
70 years, respectively. They were significantly (p<0.05) more common in general surgery than that of maternity and
visceral surgery and obstetrics were more concerned (14/44 each); the median time to SSI onset was 7.8 ± 3.8 days.
The deep incisional infection was the most frequent (34/44). The most encountered organism was Escherichia coli
(64.7%); multidrug resistance was 41.2%. The healing time averaged 30.5 ± 13.8 days with minimum and maximum
of 20 and 92 days. Conclusion: Monitoring measures must be taken to reduce surgical site infection at the Regional
Hospital Centre of Borgou.Background: Surgical site infection is frustrating for the care team and depressing for the patient. Objective: To
determine the epidemiological aspects of surgical site infections in regional hospital, Borgou. Methods: The study
was crossed with prospective data collection. Recruitment was done for six months (from February 2013 to July 2013),
each patient operated in both surgical services (general surgery and maternity) consents to be followed for one month
or year. The surgical site infection was defined according to the CDC/NHSN 2009. Results: The frequency of surgical
site infections was 7.3% (44/603). The mean age was 30.7 ± 15.8 years with minimum and maximum of 5 months and
70 years, respectively. They were significantly (p<0.05) more common in general surgery than that of maternity and
visceral surgery and obstetrics were more concerned (14/44 each); the median time to SSI onset was 7.8 ± 3.8 days.
The deep incisional infection was the most frequent (34/44). The most encountered organism was Escherichia coli
(64.7%); multidrug resistance was 41.2%. The healing time averaged 30.5 ± 13.8 days with minimum and maximum
of 20 and 92 days. Conclusion: Monitoring measures must be taken to reduce surgical site infection at the Regional
Hospital Centre of Borgou
Implementation of Standard Solar PV Projects in Nigeria
The basic operating principle of Photovoltaic device is the conversion of solar irradiation into electricity. There are several applications of this principle. In Nigeria, most solar PV projects are designed for street lighting, water pumping and general stand-alone/minigrid rural electrifications. However, several solar PV projects being installed in various parts of this country fail to meet the minimum life-span due to a number of limiting factors. These include poor or improper fundamental design, use of sub-standard components, adoption of poor installation procedure by inexperienced personnel, bad construction/civil works among other factors. This has become a problem in the country and many are beginning to feel disgusted with solar PV projects as the heavy investments in such projects do not seem to be commensurate with their performances and satisfactions derivable. This paper therefore presents an overview of the performances of solar PV projects and a concise procedural approach to the implementation of standard solar PV projects in the country. In-depth analysis of performances of existing systems was also considered and the limiting factors identified with specific recommendations for improvement. We believe that if power projects are designed and executed properly by experienced technical experts, using the appropriate components and best technical procedures, standard PV projects with maximum performance output could be achieved
Fuzzy logic based intelligent temperature controller for cassava post-harvest storage system
Significant amount of stored agricultural products are lost as a result of poor and inefficient storage systems in most developing countries, especially in tropical regions of the world. Improvements on the existing storage methods is important to guarantee food security. This study proposes the development of intelligent temperature control technique for fresh cassava roots crop post-harvest storage system using fuzzy logic controller (FLC). The intelligent controller which has two inputs (error in temperature and rate of change in the error) and one output (change in fan speed) was simulated with the developed storage system model for temperature control of fresh cassava roots crop. The results obtained shows that the controller can track appropriately the reference temperature and also gives good stability and robustness towards input disturbances. Faster response to maintain the storage temperature within acceptable limit close to reference point was also achieved successfully
Occurrence and phase distribution of benzothiazoles in untreated highway stormwater runoff and road dust
The study about how tyre-derived particles can potentially worsen the water quality and how traffic pollution markers can affect the environment is crucial for environmental management. Road emissions are known to contribute to pollution in various environments, and benzothiazoles and their derivates can be used to trace pollutant inputs related to surface runoff in the aquatic system. A total of eight benzothiazoles were determined in highway stormwater runoff and road dust collected from February to August 2022 near Venice (Casale sul Sile, Veneto Region, Italy). A new analytical method was validated, by using an UHPLC system coupled to a mass spectrometer (triple quadrupole). The target compounds were determined in both dissolved phase and suspended particulate matter of runoff, and the road dust samples were divided into seven fractions depending on particle diameters to understand the fraction partitioning. The results indicate that 2-SO3H-BTH was the most concentrated benzothiazole in all the analysed substrates, suggesting tyre debris as the main source because it is usually used in the vulcanization process. 2-SO3H-BTH reached a mean concentration of 115 +/- 59 mu g L-1, 4 +/- 3 mu g L-1, and 411 +/- 441 mu g Kg(-1) for dissolved phase, suspended particulate matter, and road dust, respectively, while 2-OH-BTH and BTH showed values about an order of magnitude lower. The size distribution of most BTHs suggests that they are distributed in the finest fraction of road dust. An exception was given by 2-SCNMeS-BTH being present only in particles with a diameter > 1 mm
The Occurrence of Glyphosate and its Degradation Products in the Urban Stormwater: A Short Review
Due to urbanization and industrialization, water pollution is now one of the major environmental challenges of the twenty-first century. Considering the increasing of agricultural and non-agricultural settings in the last decades, the investigation of the relationship between such pesticides and urban stormwater is critical to understand how urban, residential, and industrialized areas can affect environmental safety. Recently, scientific interest has grown in stormwater chemical characterization with the aim to define its impacts in the environment and possibly to make it potable water. In this context, glyphosate, glufosinate, and their degradation products have been identified as the key knowledge gap for the chemical characterization of stormwater. Research investments are needed for a better understanding of the highly polar pesticides to estimate their load, source, and dispersion of urban runoff due to residential use of herbicides. Furthermore, a more comprehensive study of wet and dry deposition and spray drift should be considered for a correct evaluation of source apportionment
Evaluation of the antimicrobial susceptibility testing process in clinical microbiology laboratories at Niamey, Niger
Background: Risk assessment is the means of identifying and evaluating potential errors or problems that may occur in testing process. The aim of this study was to perform risk assessment of antimicrobial susceptibility testing (AST) process in clinical microbiology laboratories of Niamey, Niger Republic.Methodology: We conducted a descriptive cross-sectional study from October 1 to December 31, 2019, to evaluate AST performance in seven clinical microbiology laboratories at Niamey, the capital city of Niger republic. The evaluation focused on the determination of the criticality index (CI) of each critical point (frequency of occurrence of anomalies, severity of the process anomaly, and detectability of the anomaly during the process) in the AST process and the performance of the AST through an observation sheet using two reference strains; Escherichia coli ATCC 25922 and Staphylococcus aureus ATCC 29213.Results: The criticality index (CI) was greater than 6 for most of the critical points related to material, medium, equipment, method and labour for the AST process in all the laboratories. A range of 18-100% errors on the inhibition zone diameters of the reference strains were observed. Major and/or minor categorization (Sensitive S, Intermediate I and Resistance R) discrepancies were found at all the laboratories for either one or both reference strains. The antibiotics most affected by the S/I/R discrepancies were trimethoprim (100%), vancomycin (100%), amoxicillin (80%) and amoxicillin + clavulanic acid (70%).Conclusion: This study showed a deficiency in the control of critical control points that impacts the performance of the AST reported by the laboratories in Niger. Corrective actions are needed to improve the performance of AST in clinical microbiology laboratories in Niger.
French title: Evaluation du processus de réalisation de l’antibiogramme dans les laboratoires d’analyses de biologie médicale de la ville de Niamey, Niger
Contexte: L'évaluation des risques est le moyen d'identifier et d'évaluer les erreurs ou les problèmes potentiels qui peuvent survenir dans le processus de test. L'objectif de cette étude était de réaliser une évaluation des risques du processus d'antibiogramme (ABG) dans les laboratoires de microbiologie clinique de Niamey, en République du Niger.Méthodologie: Nous avons mené une étude transversale descriptive du 1er octobre au 31 décembre 2019 pour évaluer la performance des ABG dans sept laboratoires de microbiologie clinique à Niamey, capitale de la république du Niger. L'évaluation a porté sur la détermination de l'indice de criticité (IC) de chaque point critique (fréquence d'apparition des anomalies, gravité de l'anomalie du processus et détectabilité de l'anomalie au cours du processus) dans le processus et la performance des AGB à travers une fiche d'observation en utilisant deux souches de référence; Escherichia coli ATCC 25922 et Staphylococcus aureus ATCC 29213.Résultats: L'indice de criticité était supérieur à 6 pour la plupart des points critiques liés au matériel, au milieu, à l'équipement, à la méthode et à la main-d'oeuvre pour le processus AST dans tous les laboratoires. Une fourchette d'erreurs de 18 à 100% sur les diamètres des zones d'inhibition des souches de référence a été observée. Des écarts de catégorisation majeurs et/ou mineurs (Sensible: S, Intermédiaire: I et Résistance: R) ont été constatés dans tous les laboratoires pour l'une ou les deux souches de référence. Les antibiotiques les plus touchés par les écarts S/I/R étaient la triméthoprime (100%), la vancomycine (100%), l'amoxicilline (80%) et l'amoxicilline + acide clavulanique (70%).Conclusion: Cette étude a montré une déficience dans le contrôle des points de contrôle critiques qui a un impact sur la performance de l'antibiogramme rapportée par les laboratoires au Niger. Des actions correctives sont nécessaires pour améliorer la performance des ABG dans les laboratoires de microbiologie clinique au Niger
Disaggregated Optical Network Orchestration based on the Physical Layer Digital Twin
The architecture and functionality of an open and disaggregated optical network is presented, focusing on the orchestration of the physical layer digital twin and the optical network controller, implemented on an experimental multi-vendor triangular-topology setup
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