119 research outputs found

    Profitability, Marketing Efficiency and Value Addition of Timber Industry in Ife East Local Government of Osun State, Nigeria

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    The study focused on marketing and value of additions of timber in Ife East Local Government, Osun state Nigeria. Specifically, the study examined the market efficiency, determined the profitability of the timber business, examine the level of value addition and the constraints facing the timber industry. Data were collected with the use of primary and secondary data. Primary data needed for the study were generated from structured questionnaire. Fifteen sawmills were randomly selected and one hundred and fifty questionnaires were distributed to the timber marketer and furniture m firm. One hundred and forty eight were retrieved. The data collected were analyzed using descriptive and budgetary analyses. The result showed that males had the highest percentage (89.2%). Majority of the respondents were within the age range of 40 -50 years (83.8%) and most were married (81.8%) it was further revealed that (67.6%) had regular supply of their product and the means of transportation was lorry (44.6%). The study also revealed that benches with 42% added more value addition to the industry. It showed that the year 2013 had the highest efficiency with 2.6. The budgetary analysis showed that the average revenue for the industry for the year 2012-2018 ranged between N2, 285,108.45, 889,107.12. It also revealed that the total profit for the timber ranged between 7, 340, 54.59 and 2,304,897.47.government policy, inadequate facilities in the market, inadequate facilities in the market, inadequate credit facilities, inadequate power supply and high cost of transportation were some of the constraint faced by the timber industry in Ife East Local Government. Keywords; profitability, marketing efficiency, timber, value addition, industr

    Scattering of the Exit Beam at the Patient–Cassette Front Material Interface by Ebony Wood

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    As part of the search for substitute materials for use asradiographic equipment accessories in developing countries,scattering of the exit beam at phantom-material (simulatingthe patient-cassette) interface has been investigated for Ebonywood and aluminium, for comparison, usingthermoluminescent detectors (TLD). Results for significanceof independent samples showed that, there was no statisticaldifference in the scattering of the exit beam towards thephantom, by the two tested materials (P = 0.3) at the 95%confidence interval, with changes in tube potential. Variationof radiation field size however produced a marked difference.This suggests the possible use of Ebony wood as a substitutefor aluminium as a radiographic accessory, subject however,to further radiographic tests and confirmation

    Antibiogram of nasal methicillin resistant Staphylococcus aureus (MRSA) from antenatal clinic attendees in a tertiary hospital, South-South Nigeria

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    The antibiogram of nasal methicillin resistant Staphylococcus aureus (MRSA) from pregnant women attending University of Uyo Teaching Hospital was investigated using standard microbiological procedures. Out of 772 women, 180(23.3%) harboured nasal MRSA while 592 (76.7%) had MSSA (Methicillin Sensitive Staphylococcus aureus). The highest frequency (33.3%) occured at week 16 while the lowest occured at week 36 of the pregnancy period. Evaluation by logistic regression showed no risk factor involvement for MRSA. The patients were evaluated on their first visit (booking) therefore the MRSA were likely community-acquired. Antibiogram of isolates showed sensitivity mostly to clindamycin (80%), amoxacillin-clavulanic acid (76.7%), ceftriazone (69.4%) and resistance to co-trimoxazole (51.7%). The asymptomatic nasal colonisation of MRSA in pregnant women may therefore be a risk factor for serious systemic infection after delivery

    Innovative use of tourniquet in the management of an advanced abdominal pregnancy to achieve an unusually normal postoperative outcome: a case report

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    Mrs. UVG was an un-booked G3P1+1 petty trader, who presented with an obstetric ultrasound scan report, with an incidental diagnosis of abdominal pregnancy at 32 weeks of gestation with the placenta attached to the fundus of the uterus. Her admission packed cell volume was 24%. She had pre-operative preparation and 2 units of compatible blood were transfused to correct the anemia. Four additional units of compatible blood were made available before she was scheduled for an exploratory laparotomy at 33 weeks of gestation. A grossly normal male infant weighing 2.2 kg was delivered from the peritoneal cavity with Apgar scores of 2 at 1 minute and the same at 5 minutes. The placenta which was attached to the fundus of the uterus was removed manually completely after a tourniquet had been applied distal to the point of separation. Intra-operative blood loss was 1000 ml. The infant died 1 hour after delivery due to respiratory failure. Autopsy report revealed massive intracerebral hemorrhage and pulmonary hypoplasia. The post-operative period was uneventful and the decline in serum assay of β-human chorionic gonadotrophin postpartum was normal. She was discharged home on the 8th post-operative day and seen at the postnatal clinic twice at weekly intervals with normal serum assay of β-human chorionic gonadotrophin. Her 6 weeks postnatal visit was also uneventful

    Cholecystectomy: Indications at University of Calabar Teaching Hospital, Calabar, Nigeria

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    Background/objective: The relative rarity of gallbladder disease has been documented in various parts of Africa. Recently the incidence has been reported as rising in some African countries. We undertook this study to evaluate the indications for cholecystectomy in our center and compare with others. Methods: This is a retrospective study of 18 open cholecystectomies in 10years. Results: The ages ranged from 13 and 65 years (mean 39.2years). There were 15 females and 3 males (F: M=ratio 5:1). Calculous cholecystitis 9(50%) in patients, acalculous cholecystitis 8(44.4%) and a patient with carcinoma of the gallbladder were offered cholecystectomy. The commonest stone was mixed multiple stones. Conclusion: The numbers of cholecystectomies attest to the rarity of gallbladder disease in this environment. This may be due to the high fiber and low cholesterol diet predominant in this costal population in southern Nigeria.Introduction/Objectif: La raret\ue9 relative de la maladie de la v\ue9sicule biliaire a \ue9t\ue9 document\ue9 dans la plupart des pays africains. Jusqu'\ue0 r\ue9cemment la fr\ue9quence a \ue9t\ue9 rapport\ue9e comme en hausse dans quelques pays africains. Nous avons entrepris cette \ue9tude afin d\u2019\ue9valuer les indications de la chol\ue9cystectomie dans notre centre et les compar\ue9 avec d\u2019autres. M\ue9thodes: Il s\u2019agit d\u2019une \ue9tude r\ue9trospective de 18 chol\ue9cystectomies ouvertes au cours d\u2019une dur\ue9e de dix ans. R\ue9sultats: Les \ue2ges varient entre 13 et 65 ans (moyenne 37,2 ans.) Il y a eu 15 du sexe f\ue9minin et 3 du sexe masculin (F: M = proportion de 5:1). Chol\ue9cystites calculs de 9 soit 50% chez les patients chol\ue9cystite acalculies de 8 soit 44,4% et un patient atteint d\u2019un cancer de la v\ue9sicule biliaire a \ue9t\ue9 donn\ue9 la chol\ue9cystectomie. Un mixte de multiples pierres \ue9tait la pierre la plus fr\ue9quente. Conclusion: Le nombre des chol\ue9cystectomies confirme la raret\ue9 de la maladie v\ue9siculaire dans cet environnement. Cela peut \ueatre du \ue0 la haute teneur en fibres et faible taux de cholest\ue9rol alimentaire pr\ue9dominant dans cette population costale dans le sud du Nig\ue9ria

    Biochar composites: Emerging trends, field successes, and sustainability implications

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    Global, regional, and national mortality among young people aged 10–24 years, 1950–2019: a systematic analysis for the Global Burden of Disease Study 2019

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    Summary: Background Documentation of patterns and long-term trends in mortality in young people, which reflect huge changes in demographic and social determinants of adolescent health, enables identification of global investment priorities for this age group. We aimed to analyse data on the number of deaths, years of life lost, and mortality rates by sex and age group in people aged 10–24 years in 204 countries and territories from 1950 to 2019 by use of estimates from the Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) 2019. Methods We report trends in estimated total numbers of deaths and mortality rate per 100 000 population in young people aged 10–24 years by age group (10–14 years, 15–19 years, and 20–24 years) and sex in 204 countries and territories between 1950 and 2019 for all causes, and between 1980 and 2019 by cause of death. We analyse variation in outcomes by region, age group, and sex, and compare annual rate of change in mortality in young people aged 10–24 years with that in children aged 0–9 years from 1990 to 2019. We then analyse the association between mortality in people aged 10–24 years and socioeconomic development using the GBD Socio-demographic Index (SDI), a composite measure based on average national educational attainment in people older than 15 years, total fertility rate in people younger than 25 years, and income per capita. We assess the association between SDI and all-cause mortality in 2019, and analyse the ratio of observed to expected mortality by SDI using the most recent available data release (2017). Findings In 2019 there were 1·49 million deaths (95% uncertainty interval 1·39–1·59) worldwide in people aged 10–24 years, of which 61% occurred in males. 32·7% of all adolescent deaths were due to transport injuries, unintentional injuries, or interpersonal violence and conflict; 32·1% were due to communicable, nutritional, or maternal causes; 27·0% were due to non-communicable diseases; and 8·2% were due to self-harm. Since 1950, deaths in this age group decreased by 30·0% in females and 15·3% in males, and sex-based differences in mortality rate have widened in most regions of the world. Geographical variation has also increased, particularly in people aged 10–14 years. Since 1980, communicable and maternal causes of death have decreased sharply as a proportion of total deaths in most GBD super-regions, but remain some of the most common causes in sub-Saharan Africa and south Asia, where more than half of all adolescent deaths occur. Annual percentage decrease in all-cause mortality rate since 1990 in adolescents aged 15–19 years was 1·3% in males and 1·6% in females, almost half that of males aged 1–4 years (2·4%), and around a third less than in females aged 1–4 years (2·5%). The proportion of global deaths in people aged 0–24 years that occurred in people aged 10–24 years more than doubled between 1950 and 2019, from 9·5% to 21·6%. Interpretation Variation in adolescent mortality between countries and by sex is widening, driven by poor progress in reducing deaths in males and older adolescents. Improving global adolescent mortality will require action to address the specific vulnerabilities of this age group, which are being overlooked. Furthermore, indirect effects of the COVID-19 pandemic are likely to jeopardise efforts to improve health outcomes including mortality in young people aged 10–24 years. There is an urgent need to respond to the changing global burden of adolescent mortality, address inequities where they occur, and improve the availability and quality of primary mortality data in this age group

    Adolescent transport and unintentional injuries: a systematic analysis using the Global Burden of Disease Study 2019

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    Background: Globally, transport and unintentional injuries persist as leading preventable causes of mortality and morbidity for adolescents. We sought to report comprehensive trends in injury-related mortality and morbidity for adolescents aged 10–24 years during the past three decades. Methods: Using the Global Burden of Disease, Injuries, and Risk Factors 2019 Study, we analysed mortality and disability-adjusted life-years (DALYs) attributed to transport and unintentional injuries for adolescents in 204 countries. Burden is reported in absolute numbers and age-standardised rates per 100 000 population by sex, age group (10–14, 15–19, and 20–24 years), and sociodemographic index (SDI) with 95% uncertainty intervals (UIs). We report percentage changes in deaths and DALYs between 1990 and 2019. Findings: In 2019, 369 061 deaths (of which 214 337 [58%] were transport related) and 31·1 million DALYs (of which 16·2 million [52%] were transport related) among adolescents aged 10–24 years were caused by transport and unintentional injuries combined. If compared with other causes, transport and unintentional injuries combined accounted for 25% of deaths and 14% of DALYs in 2019, and showed little improvement from 1990 when such injuries accounted for 26% of adolescent deaths and 17% of adolescent DALYs. Throughout adolescence, transport and unintentional injury fatality rates increased by age group. The unintentional injury burden was higher among males than females for all injury types, except for injuries related to fire, heat, and hot substances, or to adverse effects of medical treatment. From 1990 to 2019, global mortality rates declined by 34·4% (from 17·5 to 11·5 per 100 000) for transport injuries, and by 47·7% (from 15·9 to 8·3 per 100 000) for unintentional injuries. However, in low-SDI nations the absolute number of deaths increased (by 80·5% to 42 774 for transport injuries and by 39·4% to 31 961 for unintentional injuries). In the high-SDI quintile in 2010–19, the rate per 100 000 of transport injury DALYs was reduced by 16·7%, from 838 in 2010 to 699 in 2019. This was a substantially slower pace of reduction compared with the 48·5% reduction between 1990 and 2010, from 1626 per 100 000 in 1990 to 838 per 100 000 in 2010. Between 2010 and 2019, the rate of unintentional injury DALYs per 100 000 also remained largely unchanged in high-SDI countries (555 in 2010 vs 554 in 2019; 0·2% reduction). The number and rate of adolescent deaths and DALYs owing to environmental heat and cold exposure increased for the high-SDI quintile during 2010–19. Interpretation: As other causes of mortality are addressed, inadequate progress in reducing transport and unintentional injury mortality as a proportion of adolescent deaths becomes apparent. The relative shift in the burden of injury from high-SDI countries to low and low–middle-SDI countries necessitates focused action, including global donor, government, and industry investment in injury prevention. The persisting burden of DALYs related to transport and unintentional injuries indicates a need to prioritise innovative measures for the primary prevention of adolescent injury. Funding: Bill & Melinda Gates Foundation

    Pt and CoB trilayer Josephson π junctions with perpendicular magnetic anisotropy

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    We report on the electrical transport properties of Nb based Josephson junctions with Pt/Co68B32/Pt ferromagnetic barriers. The barriers exhibit perpendicular magnetic anisotropy, which has the main advantage for potential applications over magnetisation in-plane systems of not affecting the Fraunhofer response of the junction. In addition, we report that there is no magnetic dead layer at the Pt/Co68B32 interfaces, allowing us to study barriers with ultra-thin Co68B32. In the junctions, we observe that the magnitude of the critical current oscillates with increasing thickness of the Co68B32 strong ferromagnetic alloy layer. The oscillations are attributed to the ground state phase difference across the junctions being modified from zero to π. The multiple oscillations in the thickness range 0.2 ⩽ dCoB ⩽ 1.4 nm suggests that we have access to the first zero-π and π-zero phase transitions. Our results fuel the development of low-temperature memory devices based on ferromagnetic Josephson junctions

    Participative Leadership and Organizational Identification in SMEs in the MENA Region: Testing the Roles of CSR Perceptions and Pride in Membership

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    The aim of this research is to explore the process linking participative leadership to organizational identification. The study examines the relationship between participative leadership and internal CSR perceptions of employees and also investigates the role that pride in membership plays in the affiliation of CSR perceptions with organizational identification. By studying these relationships, the paper aspires to contemplate new presumed mediators in the association of participative leadership with organizational identification as well as determine a possible novel antecedent of employee CSR perceptions. Empirical evidence is provided from data that was collected through a survey distributed to employees working for small- and medium-sized enterprises in three countries in the Middle East and North Africa regions, particularly the United Arab Emirates, Lebanon, and Tunisia. Findings show that participative leadership leads to positive internal CSR perceptions of employees and that these CSR perceptions lead to pride in membership which, in turn, results in organizational identification. Implications of these findings are also discussed
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