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Article
Study the Density of the Double Salt (Ammonium iron (II) sulfate) Dissolved in Water and Ethylene Glycol at Different Temperatures

Author: Nagham H. Abood
Journal: Ibn Al-Haitham Journal For Pure And Applied Science مجلة ابن الهيثم للعلوم الصرفة والتطبيقية ISSN: 16094042/ 25213407 Year: 2017 Volume: 30 Issue: 2 Pages: 141-150
Publisher: Baghdad University جامعة بغداد

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Abstract

Densities of double salt [(NH4)2Fe(SO4)2.6H2O] dissolved in distilled water and in ethylene glycol at three temperatures (298.15,303.15 and 308.15)k have been utilized to calculate the apparent molar volume , limiting apparent molar volume ,experimental slop . These results provide as information about solute-solvent, solute-solute interaction and structure-forming, structure-breaking tendency from partial molar expansibility .


Article
Effect of Monomer Inhalation on The Lung Function Volume of Dentistry Female Students By Using The Spirometer

Authors: Anas Al-Yasiry --- Zainab Mahmood Al-Jammali --- Azad Almuthaffer --- Aoss Moez
Journal: Medical Journal of Babylon مجلة بابل الطبية ISSN: 1812156X 23126760 Year: 2017 Volume: 14 Issue: 2 Pages: 300 -308
Publisher: Babylon University جامعة بابل

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Abstract

The aim of this study was focused on the adverse effects of the poly methyl methacrylate monomers on the physiological lung functions.The total number of female students were 42 with range of age from 20-22 years. The lung function was measured by using a standard protocol and spirometry to measure (FVC), (FVC1), (FVC1/FVC), AND (PEF). The participants was exposed to monomer in prosthetic laboratory and immediately the test was repeated after exposure to the monomer, then the lung function test was repeated to measure the delayed post-work effect of monomer. The largest differences in the mean and standard deviation of the FVC and PEF between the pre-work and the measurement after the inhalation of the monomer immediately. FVC was significantly lower (p <0.05) in student after work with mean (2.3891±0.60623) than pre-work mean (5.7577±1.88277) .FEV1 show significant decrease (P<0.05) in student after work with mean (2.4782± 0.70515) than pre-work mean (4.5291± 1.39558) .Ratio of FEV1/FVC was significantly lower (P<0.05) in student after work with mean (65.7818±8.26448) than pre-work mean (87.6864±6.92760),but it will return after 4 days with mean (84.3759±9.85705) and the result was non-significant between pre- work and after 4 days . The effect of monomer in airway passage for the subject which exposed for one time causes obstruction and restriction but temporary effect and started to decrease or loss after 4days but if continuous exposure to monomer that given obstruction or restriction to airway passage and may lead to any respiratory problem.

Keywords

Monomer --- inhalation --- lung --- function --- volume --- dentistry --- students --- spirometer.


Article
The Utility of Platelet Indices in Differentiating between Hyper-productive and Hypo-productive Thrombocytopenia in Children

Authors: Zuhair Mahdi Al-Musawi --- Mohaimen Abdulmilk Al-Kabi
Journal: Karbala Journal of Medicine مجلة كربلاء الطبية ISSN: 19905483 Year: 2017 Volume: 10 Issue: 1 Pages: 2650-2655
Publisher: Kerbala University جامعة كربلاء

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Abstract

background: Thrombocytopenia refers to a reduction in platelet count to <150 × 109/L. It may occur due to decreased production) hypoproductive thrombocytopenia) such as aplastic anemia (AA) and acute leukemia (AL), or increased destruction of normally synthesized platelets (hyperproductive thrombocytopenia) such as immune thrombocytopenic purpura (ITP). Platelet indices, namely plateletcrit (PCT), mean platelet volume (MPV), platelet distribution width (PDW), platelet –large cell ratio (P-LCR) and immature platelet fraction (IPF) .Platelet Volume Indices (PVIs) are a group of parameters which are inexpensive to measure and are derived from routine blood counts.Objective In this study, we aimed to assess the sensitivity and specificity of these indices and set cutoff values that aid in diagnosis of thrombocytopenia causes.Patients and Methods: We recruited 90 individuals as thrombocytopenic patients, who were divided into two groups: group I (n= 40) included newly diagnosed immune thrombocytopenic purpura (ITP) patients (hyperproductive thrombocytopenia), whereas group II(n = 50) included hypoproductive thrombocytopenia patients. The MPV and PDW were derived from automated cell counter. A comparison of the sensitivity and specificity for MPV and PDW in both conditions (hypo and hyper-production thrombocytopenia) were evaluated.Results: All platelet indices were significantly higher in ITP than in ( AA and AL), and platelet indices showed sufficient sensitivity and specificity ; the best cutoff value for MPV was greater than 10.6 fl and for PDW was greater than 16fl, with a sensitivity(90,95) and specificity(86,80) respectively.. The area under the curve (AUC) of the receiver operating characteristics curve of platelet indices was large enough to enable the diagnosis of ITP. the PDW had the larger AUCs(0.938)than MPV where AUCs (0.900) , which means that these values are very reliable for ITP.Conclusion: Platelet volume indices can differentiate with some certainty ITP from AL and AA, and helps pediatricians to avoid the invasive bone marrow aspiration which need expert hematologist for its interpretation.


Article
Determination of Energy Requirements, Plowed Soil Volume Rate and Soil Pulverization Ratio of Chisel Plow Under Various Operating Conditions

Author: Sadiq J. Muhsin
Journal: Basrah Journal of Agricultural Sciences مجلة البصرة للعلوم الزراعية ISSN: 18175868 Year: 2017 Volume: 30 Issue: 1 Pages: 73-84
Publisher: Basrah University جامعة البصرة

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Abstract

A field experiments were conducted using a chisel plow in silty loam soil at Agricultural Research Station of Garmat Ali in 2017. Three different levels of forward speed (0.56, 0.87 and 1.36 m sec-1) and plowing depth (10, 20 and 30 cm) were used to study their effect on energy utilization efficiency, specific energy, plowed soil volume rate and soil pulverization ratio. The results showed that increasing the forward speed from 0.56 to 1.36 m sec-1, the specific energy, plowed soil volume rate and soil pulverization ratio were increased by 139.43%, 85.10% and 51.72%, respectively, while decreased the energy utilization efficiency by 30.04%. Increasing plowing depth from 10 to 30 cm led to increasing the energy utilization efficiency and the plowed soil volume rate by 34.30% and 87.38%, respectively. In contrast, the soil pulverization ratio and the specific energy decreased by 45.83% and 19.86%, respectively. The interaction between the forward speed and the plowing depth had a significant effect on all parameters in this study.


Article
Study of Minor Echocardiographic Indices of Cardiac Systolic Function in Subjects with Normal Ejection Fraction and Correlation with Age

Authors: Ali Jasim Mhaimeed Al-Sultani --- Ali Jaber Al-Mamoori --- Basim Mohammed Madloom
Journal: Medical Journal of Babylon مجلة بابل الطبية ISSN: 1812156X 23126760 Year: 2017 Volume: 14 Issue: 1 Pages: 156 -161
Publisher: Babylon University جامعة بابل

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Abstract

Many echocardiographic parameters should be added to traditional cardiac examination beside the EF (ejection fraction) as some conditions are with subclinical systolic dysfunction in spite of normal EF. To study the minor echocardiographic cardiac systolic function indices in subjects with normal ejection fraction and correlation with age.Sixty five healthy subjects with normal resting ejection fraction were involved in this study. They were divided into two age groups, group1: 40 subjects with age range (20-39) year and group2: 25 subjects with age range (40-60) year. Measurement of stroke volume index, pre ejection period, left ventricular ejection time and pre ejection period / ventricular ejection time ratio were done. There were no significant difference of stroke volume index, pre ejection period, ventricular ejection time , and pre ejection period / ventricular ejection time ratio of the two age groups. Correlation study between stroke volume index and ventricular ejection time show significant positive correlation (r=0.5478, p<0.05) and negative correlation with pre ejection period but statistically nonsignificant (r=-0.0111,p>0.05) . Correlation study between stroke volume index and pre ejection period / ventricular ejection time ratio was negative correlation but statistically nonsignificant (r= -0.2139,p>0.05). Minor echocardiographic indices of cardiac systolic function (systolic time periods) during routine echocardiographic examination are effortless and informative and not affected by aging and should be added to traditional cardiac examination beside the ejection fraction as some conditions are with subclinical systolic dysfunction in spite of normal EF.


Article
Evaluation of Brain Natriuretic Peptide levels in Sera of Iraqi Patients with Hyperthyroidism and Hypothyroidism

Author: Zinah Abbass Ali
Journal: Karbala Journal of Medicine مجلة كربلاء الطبية ISSN: 19905483 Year: 2017 Volume: 10 Issue: 2 Pages: 2767-2770
Publisher: Kerbala University جامعة كربلاء

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Abstract

background: The thyroid gland is an endocrine gland that is normally positioned in the lower neck. Cardiovascular alteration that coexist with thyroid gland diseases could trigger off the secretion of Brain natriuretic peptide from heart. Stress environment conditions and various factors have an important thumb in pathogenesis of thyroid gland diseases and may possibly eventuality lead to this reply. Volume expansion and pressure overload stimulated Brain Natriuretic Peptide secretion from the ventricular myocardium.Aim: To evaluate the role of thyroid disorders in stimulating ventricular myocardium's to screate Brain natriuretic peptide. Materials and Methods: Serum Brain Natriuretic Peptide determined by enzyme- linked immunosorbent assay (ELISA). About 36 Iraqi patients with primary hyperthyroidism and primary hypothyroidism and Twenty two subjects who are apparently healthy were enrolled in this study.Results: Serum levels of BNP hormone showed a significant elevation in hyperthyroidism as compared with control (p<0.01) and significant decrease in hypothyroidism group compared with control group. The results revealed a significant positive correlation between T3, T4 and BNP level in patients with hyperthyroidism while there was no weighty relation between the corresponding thyroid hormones and BNP level in patients with hypothyroidism.Discussion: A raise in cardiac output, total blood volume, left ventricular end-diastolic volume (LVEDV) and heart rate in hyperthyroid status exerts the “stress” of the cardiac muscles and could be potential stimuli for the emission of BNP.Conclusion: the measurement of BNP is mine important in patients with hyperthyroidism compared with the cases of hypothyroidis.


Article
AN EXPERIMENTAL STUDY OF THE EFFECT OF HYDROGEN BLENDING ON LAMINAR FLAME SPEED FOR IRAQI LPG
دراسة تجريبية لتاثير خلط الهيدروجين على السرعة الطباقية للغاز المسال العراقي

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Abstract

An experimental study on laminar flame speed of the premixed Iraqi liquefied petroleum gas (LPG)-hydrogen /air flames is conducted in a centrally ignited constant volume chamber specially constructed by the authors; at different initial pressures (0.1-0.3MPa) and initial temperature of (308 K). The tests are carried out at a mixture equivalence ratio ranges from 0.8-1.3. The investigated blends of hydrogen are 0-80% by volume . Experimental results show that the effect of hydrogen addition becomes obvious when the hydrogen blend is larger than 60%. When hydrogen blending 80%, the laminar flame speed of LPG also increases from (2.2-4.75 m/s) for stoichiometric mixture at atmosphere pressure. Increasing initial pressure from (1-3 bar), reduces stretched laminar flame speed of LPG-air mixture from (2.2-1.5 m/s) .

تم اجراء دراسة عملية عن سرع الاحتراق الطباقيه لخلائط غازات البترول السائلة مع الهيدروجين والهواء المسبقة الخلط، باستخدام حجرة احتراق ثابته الحجم ذات اشعال مركزي تم تصميمها وبنائها خصيصا من قبل الباحثين وبضغوط ابتدائية مختلفة (0.1-0.3 MPa) ,عند درجه حرارية ابتدائية ثابته (308 K) بالإضافة الى نسب مكافئه مختلفة (0.8 - 1.3). ان نسب خلط الهيدروجين الحجمية التي تم اختبارها كانت0-80%. بيّنت الدراسة أن تأثير نسبة خلط الهيدروجين يصبح اكثر وضوحا عندما تزداد نسبة الخلط عن %60 وعند نسبة خلط 80% من الهيدروجين فان سرعه انتشار اللهب الطباقيه للخليط سوف تزداد من 2.2 m/s الى 4.75 m/s للخليط المتكافئ عند الضغط الجوي. بيّنت النتائج ازدياد الضغط الابتدائي (bar 1-3) فان سرعه ان تشار اللهب الطباقيه للخليط سوف تقل من 2.2 m/s الى 1.5 m/s .


Article
EXCESS MOLAR VOLUMES, SURFACE TENSIONS,VISCOCITY DEVIATION AND FTIR SPECTROSCOPY OF 1-BUTANOL-ETHYL ACETATE BINARY SYSTEM MIXTURE

Author: Mustafa J. Nuhma
Journal: Al-Qadisiyah Journal for Engineering Sciences مجلة القادسية للعلوم الهندسية ISSN: 19984456 Year: 2017 Volume: 10 Issue: 4 Pages: 643-653
Publisher: Al-Qadisiyah University جامعة القادسية

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Abstract

The physical properties (viscosity, surface tension and density) were computed in laboratory using different laboratory equipment for binary and pure system at (P=1 atm and T=25C). At mole fraction 0.5, the excess volume was found to be positive value while the deviation in viscosity and surface tension was found as negative values at the same mole fraction. Experimental excess properties were compared using Redlich-Kister equation and showed acceptable standard deviation. The inter molecular interaction of the 1-Butanol and Ethyl acetate found to be negligible and the vulnerability of the hydrogen bonds according to the FTIR spectra to a mixture of 1-Butanol and Ethyl acetate is consistent with the positive values of excess volume. Overlying the values of surface tension and the deviation in viscosity was found as negative values for all mole fractions studied.


Article
GIS APPLICATION TO EVALUATE TRANSPORTATIONS NETWORK IN NASIRIYAH CITY

Authors: Abdul-Razzak T. Ziboon --- Zaynab I. Qasim --- Khaldoon T. Falih
Journal: Journal of Engineering and Sustainable Development مجلة الهندسة والتنمية المستدامة ISSN: 25200917 Year: 2017 Volume: 21 Issue: 5 Pages: 75-87
Publisher: Al-Mustansyriah University الجامعة المستنصرية

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Abstract

Transportation is an essential element for the development of countries economically, socially, and culturally, where the progress in countries is measured through the progress in transportation systems and urban road network .In Iraq, the urban roads network in Nasiriyah city suffer strongly from problems, such as low speed, long travel time, and drop in level of service. Al-Nasiriyah is one of the highly congested urban centers within Dhi-Qar province. Network in the city center suffers congestion, The selected network suffers congestion, particularly during morning and evening peak hours simply because of the existence of vitality centers (educational, commercial and government) that this network uses In the present study was to assess the flow of the current traffic network patterns through several programs such as the Trans Cad), GPS, GIS) has been collecting different types of data, such as (Traffic volumes of intersections and free flow speed) using a device (MSSS), furthermore field surveys for the work of largescale map road network The results of the evaluation showed that most of the roads in the city have a level of service type (B), as the network showed service-level type (F) at which the vehicle relative to the road capacity (v/c) is greater than the one in the city center, such as (Habboubi Street, Nasir bridge, Sumer Street, etc.) and this illustrated in analysis map. On the basis of that proposed to add new roads to change path of external - external trips and also add new bridges to get rid of the congestion that appeared in the city center, reducing the intersections and symptoms as much as possible to reduce congestion, maintenance major road and work to reduce the turns to reduce access time.

النقل هو عنصر أساسي لتنمية الدول اقتصاديا، اجتماعيا، وثقافيا ، حيث يتم قياس التقدم في البلدان من خلال التقدم في أنظمة النقل وشبكة الطرق الحضرية. وفي العراق ، وشبكة الطرق الحضرية في مدينة الناصرية تعاني بشدة من المشاكل ، مثل انخفاض سرعة ، وقت السفر الطويل ، والانخفاض في مستوى الخدمة الناصرية هي واحدة من المراكز الحضرية المزدحمة جدا في محافظة ذي قار. الشبكة في مركز المدينة تعاني الازدحام ، خاصة خلال ساعات الذروة في الصباح والمساء بسبب وجود مراكز حيوية (التعليمية والتجارية والحكومية) التي تستخدم هذه الشبكة , في هذه الدراسة، تم إجراء تقييم أنماط تدفق حركة المرور الحالية للشبكة عن طريق عدة برامج مثل Trans Cad) , GPS، GIS) تم جمع أنواع مختلفة من البيانات ، مثل (حجم التقاطعات المرورية وسرعة تدفق الحرة) باستخدام جهاز ( MSSS) ، علاوة على ذلك اجريت المسوحات الميدانية لعمل خارطة لشبكة الطرق في المدينة على نطاق واسع. أظهرت نتائج عملية التقييم إلى أن اغلب الطرق في المدينة لديها مستوى من خدمة نوع ( B) , كما ان الشبكة اظهرت نوع خدمة من المستوى ( F) الذي تكون فيه نسبة المركبات الى سعة الطريق (v/c) اكبر من الواحد في مركز المدينة مثل ( شارع الحبوبي , جسر النصر , شارع سومر, الخ ) وهذا مبين بخارطة التحليل. وعلى اساس ذلك اقترح إضافة طرق جديدة للتخلص من الرحلات الخارجية – الخارجية وأيضا إضافة جسور جديدة للتخلص من الازدحام التي ظهرت في وسط المدينة , تقليل التقاطعات والعوارض قدر الامكان لتقليل الازدحام , صيانة الطرق الرئيسية والعمل على تقليل الانعطافات لتقليل زمن الوصول .


Article
Numerical Study of Heat Transfer Enhancement for a Flat Plate Solar Collector by Adding Metal Foam Blocks
دراسة عددية لتحسين الاداء الحراري لمجمع شمسي ذو الصفيحة المستوية بإضافة كتل من رغوة معدنية

Authors: Mohammed Abdulraouf Nima محمد عبد الرؤوف نعمة --- Ali Mohammed Ali علي محمد علي
Journal: Journal of Engineering مجلة الهندسة ISSN: 17264073 25203339 Year: 2017 Volume: 23 Issue: 12 Pages: 13-32
Publisher: Baghdad University جامعة بغداد

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Abstract

Numerical study has been conducted to investigate the thermal performance enhancement of flat plate solar water collector by integrating the solar collector with metal foam blocks.The flow is assumed to be steady, incompressible and two dimensional in an inclined channel. The channel is provided with eight foam blocks manufactured form copper. The Brinkman-Forchheimer extended Darcy model is utilized to simulate the flow in the porous medium and the Navier-Stokes equation in the fluid region. The energy equation is used with local thermal equilibrium (LTE) assumption to simulate the thermofield inside the porous medium. The current investigation covers a range of solar radiation intensity at 09:00 AM, 12:00 PM, and 04:00 PM on the 8th of July 2016 under Iraq climate conditions, and a range of Reynolds number of (207يقدم البحث الحالي دراسة نظرية لتحسين الاداء الحراري لمجمع شمسي مائي ذو الصفيحة المستوية حيث ان تحسين الاداء تم باضافة قطع من الرغوة المعدنية الى مصاعد المجمع الشمسي. تم فرض الجريان على انه مستقر, غير قابل للانضغاط, و ثنائي الابعاد يتدفق داخل مجرى مائل حاوي على ثماني قطع رغوة معدنية مصنوعة من النحاس. تم استخدام نموذج دارسي- برنكمان- فورشهايمر لمحاكاة الجريان في الوسط المسامي ومعادلة نـﭬير ستوك في منطقة المائع و قد اختيرت معادلة الطاقة مع فرضية الاتزان الحراري (LTE) داخل الوسط المسامي. ان البحث الحالي يغطي عدة مديات للاشعاع الشمسي و المقاسة عند الساعة 09:00 ص, 12:00م, و 04:00م في الثامن من شهر يوليو لسنة 2016 تحت الضروف المناخية العراقية و لعدة مديات من رقم رينولد (207

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