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Analysis of Exergy of an Experimental Domestic Scale Solar Water Heating System Situated in Owerri

Journal of Energy and Power Engineering 2021年第3期15卷 87-99页

作者： Joseph Maduabuchi Ibezim Kennedy Chinedu Owuama Kingsley okechukwu Ikebudu Jerry Odinakachi Azubuike Onyemauche Uzoma Anyanwu Department of Mechatronics Engineering Federal Polytechnic NekedeP.M.B.1036OwerriImo StateNigeriia Department of Mechanical Engineering Chukwuemeka Odumegwu Ojukwu UniversityP.M.B.02UliAnambra StateNigeria Department of Mechanical Engineering Federal University of TechnologyP.M.B.1526OwerriImo StateNigeria

Exergy analysis is a critical aspect of Energy Engineering that can not be *** need for constant study in this area is very crucial due to it evolving *** study involved the analysis of exergy of an Experimental Domestic Scale Solar Water Heating System situated in Owerri,Imo State,*** were couples of literature reviews done in relation to the *** was aimed at analyzing the efficiency of solar water heating *** materials involved in this study are solar radiation collector panel,storage tank,pump,heat exchanger,piping unit and heat transfer *** the results,it recorded that collector outlet temperature is a function of solar radiation and *** Collector Efficiency occurred at 1 *** the set up location *** was further revealed that performance of the flat plate solar water heater(SWH)obtained maximum of 97%and minimum of 38%efficiencies at 1 *** 5 *** highest exergy efficiency gotten was 60%at 1 *** the lowest was 1.9%at 9 ***,exergy analysis is a useful method for optimizing performance of a flat plate solar water heating system due to it proportionality to basic quantities in solar studies.

关键词： Flat plate collector exergy solar radiation and temperature

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Erratum to “Retrospective Evaluation of Intussusception in Under-Five Children in Nigeria” [World Journal of Vaccines Vol.4 No.3 (August 2014) 123-132]

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World Journal of Vaccines 2015年第3期5卷 147-147页

作者： Beckie Nnenna Tagbo Jason Mwenda Christopher Eke Tagbo Oguonu Sebastian Ekenze Uchechukwu Obiora Ezomike Benedict Edelu Ogechukwu Amadi Ifeyinwa Okeke okechukwu Ani Roservelt okechukwu Nnani Vina Okafor Henrietta Uche Okafor Egbuna Obidike Emmanuel Abanida Chris Elemuwa Toyin Odetunde Institute of Child Health and Department of Paediatrics University of Nigeria Teaching Hospital Enugu Nigeria World Health Organization Regional Office for Africa (WHO/AFRO) Brazzaville Republic of Congo Department of Paediatrics University of Nigeria Teaching Hospital Enugu Nigeria Department of Paediatric Surgery University of Nigeria Teaching Hospital Enugu Nigeria Department of Paediatrics Enugu State University Teaching Hospital Enugu Nigeria Institute of Child Health University of Nigeria Teaching Hospital Enugu Nigeria National Primary Health Care Development Agency Federal Ministry of Health Abuja Nigeria Department of Paediatric Surgery Enugu State University Teaching Hospital Enugu Nigeria

The original online version of this article (Tagbo, B. N., et al. 2014 “Retrospective Evaluation of Intussusception in Under-Five Children in Nigeria”, 2014, 4, 123-132, http://***/10.4236/wjv.2014.43015) was publis... 详细信息

关键词： Intussusception Children Rotavirus Surgery Bloody Stool Nigeria

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Blood pressure,prevalence of hypertension and hypertension related complications in Nigerian Africans:A review

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World Journal of Cardiology 2012年第12期4卷 327-340页

作者： okechukwu S Ogah Ikechi Okpechi Innocent I Chukwuonye Joshua O Akinyemi Basden JC Onwubere Ayodele O Falase Simon Stewart Karen Sliwa Ministry of Health Nnamdi Azikiwe SecretariatUmuahia 440233Abia StateNigeria Division of Cardiovascular Medicine Department of MedicineUniversity College HospitalPMB 5116Dugbe GPOIbadan 200211Oyo StateNigeria Division of of Nephrology and Hypertension Department of MedicineE13Renal UnitGrootes Schuur HospitalObservatory 7925Cape TownSouth Africa Division of Renal Medicine(Nephrology) Department of MedicineFederal Medical CentreUmuahia 440233Abia StateNigeria Department of Epidemiology and Medical Statistics College of MedicineUniversity of IbadanIbadan 200211Oyo StateNigeria Division of Cardiology Department of MedicineUniversity of Nigeria Teaching HospitalEnugu 400001Nigeria NHMRC Centre of Research Excellence to Reduce Inequality in Heart Disease Baker IDI Heart and Diabetes Institute 75 Commercial RoadMelbourneVIC 3004Australia Hatter Cardiovascular Research Institute Faculty of Health SciencesUniversity of Cape TownCape TownPrivate Bag X3Observatory 7935South Africa

To review studies on hypertension in Nigeria over the past five decades in terms of prevalence,awareness and treatment and *** our search on Pubmed,African Journals Online and the World Health Organization Global cardiovascular infobase,1060 related references were identified out of which 43 were found to be relevant for this *** overall prevalence of hypertension in Nigeria ranges from 8%-46.4% depending on the study target population,type of measurement and cut-off value used for defining *** prevalence is similar in men and women(7.9%-50.2% vs 3.5%-68.8%,respectively) and in the urban(8.1%-42.0%) and rural setting(13.5%-46.4%).The pooled prevalence increased from 8.6% from the only study during the period from 1970-1979 to 22.5%(2000-2011).Awareness,treatment and control of hypertension were generally low with attendant high burden of hypertension related *** order to improve outcomes of cardiovascular disease in Africans,public health education to improve awareness of hypertension is *** epidemiological studies on hypertension are required to adequately understand and characterize the impact of hypertension in society.

关键词： Blood pressure Hypertension Prevalence Non-communicable disease Nigeria

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Socio-Demographic Determinant of Yellow Fever Patient: A Retrospective Study (2020), Federal Medical Center, Asaba

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Journal of Biosciences and Medicines 2022年第12期10卷 225-238页

作者： Ngozi Esther Ezunu Joy Ifeyinwa Egeonu Ajiri Henry Osihro Uyi-Oghosa Onyemushani Said Abdulkareem Omole Clementina Oyakhire Onyema Edith Wayemeru Chidera Olivia Okey-Ezufo Chikadibia Eze-Otulaka Faith Inegbejie Clever Ajiri Oghale Diana Chinenye Ofomata Grace Nnenna Onubogu Orhomuromo Paul Okpomo Eguolo Unique Okorhi Onobhase Theresa Agbele Anastacia Okwudili Ojimba Adesuwa Queen Aigbokhaode Francis Chinedu Ugoeze Victor Azubike Osiatuma Emmanuel okechukwu Ezunu Obianuju Nkemjika Jisieike Erhinyaye Omoyibo Efe Department of Nursing Federal Medical Centre Asaba Nigeria CCDRC Federal Medical Centre Asaba Nigeria Department of Internal Medicine Federal Medical Centre Asaba Nigeria Department of Radiology Federal Medical Centre Asaba Nigeria Department of Health Information Management Federal Medical Centre Asaba Nigeria Department of Pediatrics Federal Medical Centre Asaba Nigeria

Background: Yellow fever is transmitted primarily to humans and non-human primates through the bite of an infected female mosquito Aedes Spp. It is prevented mainly by vaccination. Method: This retrospective observational study at the Center for Communicable Disease Control and Research (CCDCR) Federal Medical Center Asaba (F.M.C) was conducted on all patients diagnosed and managed with yellow fever in the year 2020. We studied a total number of 57 patients’ case files seen within the period. A chi-square test was done to test the null and alternative hypotheses. Result: About 48 (84.2%) males and female 9 (15.8%) females were mostly affected and gender was significant with a chi-squared value of 26.6 and p-value of 0.00. Conclusion: To eradicate this virus, vaccination and health promotions should be encouraged by the health care workers supported by the government. This is to ensure that a greater proportion of the affected community can be immunized.

关键词： Yellow Fever Socio-Demograpic Determinants Asaba

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