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Article
The effect of solar cells distribution on the Performance of solar panel
تاثير توزيع الخلايا الشمسيه على اداء اللوح الشمسي

Authors: Wildan M. Awaad ولدان محمد عواد --- Mohammed A.R. Hussain محمد عبد الرضا حسين --- Ali H. AL-Hamdani علي هادي الحمداني
Journal: Baghdad Science Journal مجلة بغداد للعلوم ISSN: 20788665 24117986 Year: 2010 Volume: 7 Issue: 3 Pages: 1250-1253
Publisher: Baghdad University جامعة بغداد

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Abstract

Three different distribution modules of silicon solar cells in a panel are used in this study . Each module consists of five identical circular silicon solar cells of radius (5cm) and then the total panel areas are identical. The five solar cells are arranged in the panel in different shapes: circular, triangular and rectangular .The efficiency for these three panel distribution are measured indoor and outdoor. The results show that the efficiency is a function of the cells distribution.

درست في هذا البحث ثلاث اشكال من توزيعات الخلايا الشمسيه السيلكونيه في اللوح الشمسي يتالف كل تورزيع من خمس خلاياسيلكونيه متشابهه نصف قطر الواحدة منها (5سم) وبذلك تكون المساحه الكليه للماده الحساسه متساوية. رتبت الخلايا الشمسيه الخمسه في اللوح الواحد باشكال مختلفه هي الدائرية والمثلثة والستطيلة، ثم تم قياس كفائة هذه التوزيعات مختبريا وحقليا وقد اوضحت النتائج ان الكفاءة هي دالة لشكل توزيع الخلايا في اللوح الشمسي.


Article
Effect of Red Blood Cell Distribution Width on The Mortality f Patients With Ischemic Stroke

Author: Ali Jaber Al-Mamoori
Journal: Medical Journal of Babylon مجلة بابل الطبية ISSN: 1812156X 23126760 Year: 2014 Volume: 11 Issue: 4 Pages: 877-881
Publisher: Babylon University جامعة بابل

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Abstract

Objective: To investigate a possible correlation between elevated levels of red blood cell distribution width (RDW) and the mortality of ischemic stroke.Patients and methods: Seventy patients admitted to Merjan Medical City in Babylon; suffering from ischemic stroke were enrolled in this study which lasted from February to June 2014. The study contain 40 males and 30 females, their ages ranged from 36-97 years witha mean age of 69.26±14.870 years. The patients were divided into two groups: those who survive the disease and those who died; in order to assess the impact of RDW values on the severity and mortality of the disease. Blood samples were taken from the patients to estimate RDW. Results: The study results showed a statistically significant difference between the two groups of patients regarding the values of RDW and the age distribution, on the other hand, there were no statistically significant differences between the two groups of patients regarding sex distribution and history of diabetes, hypertension and previous stroke attack.Conclusion: Red blood cell distribution width is an independent predictor of mortality in patients with ischemic stroke. Higher RDW values correspond to higher mortality.


Article
Impact of Elevated Red Cell Distribution Width on Patients with Acute Myocardial Infarction

Author: Sami R. Al‑Katib, Mohammed S. Abdul‑Zahra1, Basim A. Abd
Journal: Medical Journal of Babylon مجلة بابل الطبية ISSN: 1812156X 23126760 Year: 2018 Volume: 15 Issue: 4 Pages: 320-325
Publisher: Babylon University جامعة بابل

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Abstract

Background: Red cell distribution width (RDW) is an important parameter that has a critical impact on the severity of coronary arterydisease, especially on that of acute myocardial infarction (AMI). Objective: This study was aimed to determine the effect of elevated RDWon the outcome of AMI. Materials and Methods: This is a retrospective, case–control study conducted on two groups of participants;the first group (cases) comprised 87 patients suffering from AMI, while the second one (controls) comprised an equal number of patientshaving stable angina. Matching of controls to patients was done according to age (within 5 years) and gender. The study extended from thebeginning of October 2017 to the end of March 2018. Participants in both groups were collected from Al‑Sadr Teaching Hospital and MerjanMedical City at Iraqi Najaf and Babylon Governorates, respectively. RDW values were determined by the use of hematological auto‑analyzer.Results: Statistically significant differences found between the study groups regarding RDW (P = 0.0001, odds ratio [OR] = 9.481, 95%confidence interval [CI] = 5.127–17.535) and cardiac troponin I (cTnI) (P = 0.0001, OR = 1.325, 95% CI = 1.109–1.584). Strong positivecorrelation was found between RDW and cTnI (r = 0.272, P = 0.0001). Other measured parameters which are age, gender, history of hypertension,diabetes and smoking, body mass index, hemoglobin (Hb), packed cell volume, mean cell volume, and mean cell Hb concentration all showedno significant differences between the study groups regarding them. Conclusion: RDW owns substantial diagnostic and prognostic value thatcan aid in the management of AMI patients.

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