يهدف البحث إلى تحليل إمكانية استثمار الغاز الحيوي الناتج من مشاريع تصفية المياه العادمة في جنوب بغداد بوصفه مصدرًا متجددًا لإنتاج الطاقة الكهربائية ، مع التركيز على غاز الميثان بوصفه المكوّن الرئيس ذي القيمة الحرارية العالية . اعتمدت الدراسة على القياسات الميدانية لتراكيز غاز الميثان في مشروعي الرستمية والكرخ الرئيسية خلال فصلي الشتاء والصيف ، مع مقارنة القراءات بين مراحل المعالجة المختلفة، ابتداءً من المعالجة التمهيدية وصولًا إلى المعالجة المتقدمة . أظهرت النتائج وجود تراكيز مرتفعة لغاز الميثان تجاوزت المحددات العالمية ، مع تسجيل أعلى القيم في مراحل المعالجة التمهيدية والأولية ، ولاسيما خلال فصل الصيف ، مما يشير إلى أن هذه المراحل تمثل المصدر الرئيس لانبعاث الغاز الحيوي . كما بيّن التحليل الإحصائي وجود تباين فصلي واضح ، إذ سجلت تراكيز الغاز متوسطات أعلى في فصل الصيف مقارنة بفصل الشتاء ، ويُعزى ذلك إلى تأثير ارتفاع درجات الحرارة في زيادة نشاط عمليات التحلل اللاهوائي للمواد العضوية . واعتمادًا على التقديرات التقريبية، أظهرت الدراسة أن تجميع نحو100 م³ يوميًا من الغاز الحيوي يمكن أن يسهم في إنتاج ما يقارب200 كيلوواط/ساعة يوميًا من الطاقة الكهربائية ، الأمر الذي يعكس جدوى اقتصادية وبيئية واضحة في تشغيل أجزاء من منظومة مشاريع التصفية وتقليل الاعتماد على مصادر الطاقة التقليدية . وتوصلت الدراسة إلى إمكانية استثمار الغاز الحيوي باستخدام تقنيات تحويل الطاقة ، مثل محركات الاحتراق الداخلي وخلايا الوقود ، بما يسهم في خفض الانبعاثات الغازية وتقليل كلف التشغيل ، فضلًا عن تعزيز توجهات الاستدامة البيئية والطاقة المتجددة في منطقة الدراسة .
To achieve excellence in the quality of performance in school sports administration, which has suffered a lot of problems and constraints on the administrative system, supervision and education level as well as the regulatory environment and available resources available and contribute to the provision of some processors and overcome difficulties to participate in the formation of the individual good of itself and society through sports activities. Hence the importance came this study to create a reference to the quality of the performance criteria school sports from the perspective of supervisors (specialists and technicians) in the districts of breeding Baghdad, to be of help to all those involved in school sports and maintaining an excep
... Show MoreObjective(s): This research aims at evaluating the quality of pulmonary tuberculosis patients life before and after applying the suggested instructional program, and to find out relationships among distribution of an overall assessment quality of life improvement and socio-demographic characteristics variables. Methodology: Self controlled design studying effectiveness of applying instructional program on quality of life for pulmonary tuberculosis patients among sample size (65) patients from primary health care centers/AL-Sadur City sector-the consultation clinic of chest and respiratory diseases at AL
This paper deals with social responsibility visible to the media and the role they play in spreading the culture of environmental protection, and make research on a sample of the University of Baghdad consisting students from 150 students, male and female were distributed questionnaire form on the sample to obtain the required information has been questionnaire included axes distributed questions achieve the objectives of the search, and after the form data were analyzed using statistical program spss results show that the visual media and its role in spreading the culture of environmental protection form averages arithmetic high, indicating a rise in the influence of th
... Show MoreThe aim of this study tousethree remedial method to the learning for mastering which :(learning for mastery incooperative small groups)and style (Re teaching using presentations by PowerPoint ), and style (homeworklearning by Microsoft word ) to in learning Movement Concatenation On Horizontal Bar in artistic gymnastics for men, as the aim of the research to identify any better methods to learn the movement in question , use the the experimental method to design with pretest and posttest equal totals , the subject of the study included on students second class in physical education and sport sciences , Baghdad University (2014-2015) ,The species used the specific manner by lot for selection , the subject divided into three empirical groups
... Show More
Iraqi conventional gasoline characterized by its low octane number not exceed 82 and high lead and sulfur content. In this paper tri-component or ternary, blends of gasoline, ethanol, and methanol presented as an alternative fuel for Iraqi conventional gasoline. The study conducted by using GEM blend that equals E85 blend in octane rating. The used GEM selected from Turner, 2010 collection. G37 E20 M43 (37% gasoline + 20% ethanol+ 43% methanol) was chosen as GEM in present study. This blend used in multi-cylinder Mercedes engine, and the engine performance, and emitted emissions compared with that produced by a gasoline engine.
The results show that this blend can formulate with available Iraqi pro
... Show MoreThree-dimensional (3D) reconstruction from images is a most beneficial method of object regeneration by using a photo-realistic way that can be used in many fields. For industrial fields, it can be used to visualize the cracks within alloys or walls. In medical fields, it has been used as 3D scanner to reconstruct some human organs such as internal nose for plastic surgery or to reconstruct ear canal for fabricating a hearing aid device, and others. These applications need high accuracy details and measurement that represent the main issue which should be taken in consideration, also the other issues are cost, movability, and ease of use which should be taken into consideration. This work has presented an approach for design and construc
... Show MoreThe objective of all planning research is to plan for human comfort and safety, and one of the most significant natural dangers to which humans are exposed is earthquake risk; therefore, earthquake risks must be anticipated, and with the advancement of global technology, it is possible to obtain information on earthquake hazards. GIS has been utilized extensively in the field of environmental assessment research due to its high potential, and GIS is a crucial application in seismic risk assessment. This paper examines the methodologies used in recent GIS-based seismic risk studies, their primary environmental impacts on urban areas, and the complexity of the relationship between the applied methodological approaches and the resulting env
... Show MoreEnglish has for long been one of the most widely used media of communication globally, especially in the Malaysian universities. It has been termed as a Lingua Franca because it is shared with other languages which are considered first languages by different speakers. For this reason, English as a Lingua Franca (ELF) has attracted a number of researchers to investigate its variety via other languages in various communities. The objective of this paper is therefore to establish the strategies which are employing by the international students at the National University of Malaysia/ UniversitiKebangsaan Malaysia (UKM) as an example of one of the Malaysian universities; when they e
... Show MoreThis study aims at evaluating the performance of MA students in the College of Education for Women in using the digital transformation and identifying the significant difference in performance evaluation according to the variable of academic qualification (Master or PHD). In order to achieve the aim of the research the researcher prepared a questionnaire of 20 items, and this happens after the researcher's getting acquaintance of the literature of previous studies related to the variable of the research. The apparent validity of the items was examined by exposing them to 10 juries specialized in education, psychology and evaluation and measurement. The stability of the items was examined via two methods, the test-repetition and half-divisio
... Show MoreThe research aims to identify the importance of using analytical procedures in the detection of creative accounting practices. To achieve this goal, (100) questionnaires were prepared and distributed to the auditors in the Federal Financial Supervision Bureau and the authorized auditors' offices and practitioners of the auditing profession in Iraq. For the purpose of testing the research hypothesis and analyzing data, some appropriate statistical methods have been used and the use of the statistical program (SPSS) to analyze the data. The results of the research showed that the analytical procedures and tests applied by the auditor have a role in revealing and limiting creative accounting practices and methods and that auditors u
... Show More