Investigating the thermal and electrical gains and efficiencies influence the designed photovoltaic thermal hybrid collector (PVT) under different weather conditions. The designed system was manufactured by attaching a fabricated cooling system made of serpentine tubes to a single PV panel and connecting it to an automatic controlling system for measuring, monitoring, and simultaneously collecting the required data. A removable glass cover had been used to study the effects of glazed and unglazed PVT panel situations. The research was conducted in February (winter) and July (summer), and March for daily solar radiation effects on efficiencies. The results indicated that electrical and thermal gains increased by the incre

This study aims to build a volleyball produced thinking, preparing educational exercises in volleyball with a focus strategy for serious creativity, and to identify the strategy of focusing for serious creativity in productive thinking and the performance and accuracy of the skill of transmitting volleyball for students, and the two assumptions were that there are statistically significant differences between the results Tribal and posttests for the experimental and controlled research groups in productive thinking and the performance and accuracy of the skill of volleyball, and there are statistically significant differences between the results of the dimensional tests of the experimental and controlled research groups in productive thi

An investigation was conducted for the determination of the effects of the forming conditions in the production of Gamma Alumina catalyst support on the crushing strength property. Eight variables were studied , they are ;binder content which is the sodium silicate , Solvent content which is the water, speed of mixing , time of mixing, drying temperature , drying time , calcinations temperature and the calcinations time
Design of the experiments was made by using the response Surface method in Minitab 15 software which supply us 90 experiments .
The results of this investigation show that the crushing strength for the dried Gamma alumina extrudate was affected by the drying temperature and the drying time only and there is no inter

Background: Many previous studies were concerned with
the relationship between gestational diabetes and the
development of vaginal candidiasis in pregnant women. In
this study, our aim is directed to uncover glucose tolerance
status in non-diabetic pregnant women inflicted with
candida albicans.
Methods: Thirty-four pregnant women with vaginal
condidiasis (as demonstrated by microscopy) were enrolled
in this study. The patients were nearly similar in their
anthropometric and demographic criteria with those of the
healthy pregnant women (control group, forty –two
women). Fasting plasma sugar and glucose tolerance test
were alone for all patients and control group.
Results: fasting plasma sugar was

Hand written recognition problem can be done in two major steps, first by separating each character alone and second by detecting the separated shape to its corresponding like alphabetic letter. A backpropagation neural network found to be a good artificial intelligence algorithm in facing character recognition problem.In this work, backpropagation neural network is used with 3-layers to detect and separate 26 English letter from (A to Z). In addition, a previous steps should be taken to detect the boundaries of each single written letter. Detecting a complete text can be done by separating each character through finding its boundaries, resizing the separated character to be suitable for pre-trained neural network, detecting the hand-wri

     Arab and Muslim scholars have made influential contributions to the development of mathematics by providing it with many achievements and inventions. This research presents the most important of these achievements and assistance in mathematics during the period of the Islamic Renaissance for different Arab and Muslim Scholars. One of the clearest and most prominent examples of these achievements is the establishment of the science of algebra and the discovery of zero and added to the numbers by the Muslim Scholar of Al-Khwarizmi, which facilitated the solution of many arithmetic problems and issues to this day.

جاءت مشكلة واهمية البحث في التحليل الحركي لمراحل اداء مهارة التوريس على جهاز المتوازي وبالأخص مرحلتي الترك والطيران والتعرف من خلالهما على قيمة زاوية المسك وإمكانية التنبؤ بها، لذلك تلخصت أهداف البحث في التعرف على قيم بعض المتغيرات الكينماتيكية لمرحلتي الترك والطيران وزاوية المسك في أداء مهارة التوريس على جهاز المتوازي، وعلى العلاقة بينهما، ومن ثم إيجاد معادلة التنبؤ لزاوية المسك وفق المتغيرات المختارة

To reduce solar radiation transmittance into buildings through windows facing east or west during summer, a window inclination from vertical position is suggested. The inclination of the window glazing and the rate of unwanted solar radiation during summer can be calculated knowing the dialy inclination of the sun rays. The inclination of window glazing depends on the latitude of the position required. For instance in Baghdad which is at about 33o north latitude a slope of 15o for window glazing is sufficient to prevent about 419 MJ/m2 of total solar radiation energy from penetration during summer for clear glazing of window facing east. This value drops to about 96 MJ/m2 during winter. Therefore the ratio between the energy saved for co

In this paper, the Mars orbital elements were calculated. These orbital elements—the major axis, the inclination (i), the longitude of the ascending node (W), the argument of the perigee (w), and the eccentricity (e)—are essential to knowing the size and shape of Mars' orbit. The quick basic program was used to calculate the orbital elements and distance of Mars from the Earth from 25/5/1950 over 10000 days. These were calculated using the empirical formula of Meeus, which depended on the Julian date, which slightly changed for 10000 days; Kepler's equation was solved to find Mars' position and its distance from the Sun. The ecliptic and equatorial coordinates of Mars were calculated. The distance between Mars and the center of the E

The research seeks to examine the image of women in Iraqi films produced after 2003 over the answer to questions such as “ level of the representation of women and appearing in films and features that are attributable to them and their relationships with men and their interests and tendencies , activities and ways and methods pursued to achieve their goals , or what appeared to be trying to achieve and whether made movies vivid and varied models for women, or confined to a rigid model and duplicate Is films raised issues concerning women? The research seeks to examine the image of women in Iraqi films produced after 2003 over the answer to questions such as “ level of the representation of women and appearing in films and features th

In this paper, game theory was used and applied to the transport sector in Iraq, as this sector includes two axes, the public transport axis and the second axis the private transport axis, as each of these axes includes several types of transport, namely (sea transport, air transport, land transport, transport by rail, port transport) and the travel and tourism sector, as public transport lacks this sector, as the competitive advantage matrix for the transport sector was formed and after applying the MinMax-MaxMin principle to the matrix in all its stages, it was found that there was an equilibrium point except for the last stage where the equilibrium point was not available Therefore, the use of the linear programming method was

CR-39 is a solid state nuclear track detector (SSNTD) that has been used in many research areas. In spite of the assumption that the CR-39 detectors are insensitive to beta and gamma rays, irradiation with these rays can have significant effects on the detector properties. In this study, beta and gamma rays mass attenuation coefficients μ/ρ (cm2 g-1) for the CR-39 detector have been measured using NaI(Tl) scintillation spectrometer along with a standard geometrical arrangement in the energy region of (0.546-2.274) MeV beta rays and standard gamma sources having energy 0.356, 0.5697, 0.6617 and 1.063 MeV. The total atomic cross-section (σtot), total electronic cross-section (σT E) and the effective atomic number (Zeff) of gamma rays a

Background: Anti-vascular endothelial growth factors commonly used intravitreally for treatment of variable retinal disease worldwide, which help to regulate the upregulation of vascular endothelial growth factors due to ischemia or/and other retinal insult.

Objective: To review all cases of intravitreal bevacizumab given in the retinal unit of the Eye Specialty Private Hospital in Iraq from December 2015 to June 2016, pointing out the common indications.

Methods: A retrospective study including all cases of intravitreal injections of bevacizumab recorded at the Eye Specialty Private Hospital from December 2015 to June 2016 were retrieved. Age, sex, laterality, diagnosis

تُعَد اتصالات الموجات المليمترية (mmWave) حلولاً مبتكرة لشبكات الجيل الخامس وما بعدها، نظرًا للتطورات السريعة في عالم الاتصالات. تقدم هذه الورقة شبكة وصول راديوي سحابي غير متجانسة (HC-RAN) تستخدم نطاقات تردد الموجات المليمترية والأقل من 6 جيجاهرتز لتلبية هذه الحاجة. يتم تقديم ارتباطات المستخدمين بوحدات رؤوس الراديو البعيدة (RRHs) للتخفيف من التداخل وتعظيم إنتاجية الشبكة باستخدام خوارزمية (Q-Learning). توفر عمليات النشر

Concrete-filled steel tubes (CFST) are structural members consisting of hollow steel tubes filled with concrete. Both steel and concrete work together to provide several advantages. The concrete increases the steel tube's resistance against local buckling while the steel tube confines the concrete, which increases its compressive strength. The use of CFST beams increased in high buildings due to their great mechanical properties. The researchers were interested in CFST beams because of their great ductility, stiffness, strength, and flexural capacity when compared to hollow steel beams. The properties of CFST beams were enhanced in several ways, for example, by using carbon fiber reinforced polymer (CFRP) wrapping, addin

هدفت الدراسة الحالية إلى تقييم مستوى ممارسات عادات التميز لدى طلاب الحلقة الثانية في محافظة ظفار من وجهة نظر المعلمين، مع الأخذ في الاعتبار متغيرات مختلفة. ولتحقيق أهدافها، استخدمت الدراسة المنهج الوصفي. شملت عينة البحث 54 معلمًا للعلوم من مدارس الحلقة الثانية. تم جمع البيانات باستخدام استبانة تعتمد على مقياس ليكرت الخماسي. أشارت النتائج إلى أن مستوى ممارسات عادات التميز لدى طلاب الحلقة الثانية في محافظة ظ

هدفت الدراسة تعرّف العلاقة بين التعبير الكتابي، والتفكير الإبداعي لدى الطلاب الموهوبين في المرحلة الابتدائية ولتحقيق ذلك أعدّ الباحث قائمة بمهارات التعبير الكتابي المناسبة للطلاب الموهوبين، واختبار التفكير الإبداعي لتورانس - الصورة اللفظية (أ). وتمّ استخدام المنهج الوصفي التحليلي، وطبّقت الدراسة على عينة مكوّنة من (٤٣) طالباً موهوباً في (۷) مدارس تابعة لقسم الموهبة والإبداع بإدارة

عانتْ دول أفريقيا عبَّر تاريخها الطويل من التقلبات الداخلية والخارجية، لعل أبرزها وقوع جميع تلك الدول تحت وطأة الاستعمار الأجنبي، وتقسيمها إلى مناطق نفوذ فرنسية وإسبانية وبريطانية وبلجيكية، مما أجبرتها على فقدان حريتها واضطهاد شعوبها، أدى هذا الأمر في نهاية المطاف إلى  نشوء ترابط بين دول أفريقيا لتحرير أوطانها.

لا شك، أن مشكلة الصحراء الغربية في المغرب العربي تُعد مجرد صورة واحدة من صور التقسيم ال

This study was aimed to investigate the response of two types of ornamental herbaceous plants (Wedelia trilobata and Jacobaea maritima 'Cirrus') to different agricultural environments and the application of potassium silicates to the living walls system LWS (Felt layer system) under the climate conditions of Baghdad city. Each experiment involved the cultivation of a different plant species, and the study duration was from September 15, 2021, to August 1, 2022. A Strip-Plot Design experiment was conducted using two factors: factor M with four levels of substrates (50% peatmoss and perlite (M1), 50% Vermicompost and perlite (M2), 50% Water hyacinth compost and perlite (M3), 50% wheat straw compos

يعد الدفع بالتجريد من أبرز الدفوع التي للكفيل الشخصي ان يتمسك بها تجاه الدائن ؛ ليتسنى له من خلاله المحافظة على ذمته المالية من الضياع , فالكفيل الشخصي لا يعدو عن كونه مسؤولا ثانويا عن الدين , إذ من العدل والانصاف ان تكون الذمة المالية للمدين هي الضمان الاول للوفاء بديونه , ويستمد الكفيل هذا الدفع من عقد الكفالة الشخصية ذاته , أي ليس بمقتضى تبعية التزامه للالتزام المكفول به , فقد اقرت التشريعات المدنية ومنها ال

بسم الله .. والصلاة والسلام على خير خلق الله نبينا محمد صلى الله عليه واله وسلم، وبعد :

لازالت المخطوطات التاريخية الاسلامية بحاجة ملحة إلى دراستها، وطبعتها، ونشرها، والاعتناء بها ، وذلك لكشف جانباً من جوانب التاريخ وحقيقة من حقائق النصوص المفقودة التي قد ترفدنا بمعلومات قيمة ، او نصوص تصلح ان تكون حلقة وصله او مفتاح لنصوص اخرى غامضة في تاريخنا، ومن هذا المنطلق عمدت الى دراسة احد تلك المخطوطات وهي ( احسن

يهدف البحث الحالي إلى:-

1. بناء برنامج إثرائي على وفق قوة السيطرة المعرفية للطالبات المتفوقات في الصف الأول المتوسط.
2. معرفة أثر البرنامج الإثرائي في الكفاية الذاتية المدركة للطالبات المتفوقات في الصف الأول المتوسط.

  ولتحقيق أهداف البحث تم اعتماد المنهج التجريبي، وتكون مجتمع البحث من طالبات الصف الأول المتوسط في ثانويات المتفوقات التابعة للمديريات العامة (الرصافة الأولى، والرصافة الث

هدف البحث إلى بناء برنامج تدريبي لمدرسي مادة علم الأحياء وفقاً لاستراتيجيات التفكير العميق، ومعرفة أثر البرنامج التدريبي في التجول العقلي لديهم، وتم بناؤهُ بالاعتماد على منحى النظم في مراحل اساسية تمثلت بالمدخلات والعلميات والمخرجات والتغذية الراجعة، وتم تطبيقه على عينة البحث والبالغة (32) من مدرسي ومدرسات مادة علم الاحياء للصف الرابع العلمي، والتابعين للمدارس الاعدادية والثانوية في مركز مدينة الموصل/ ا

يهدف البحث إلى معرفة أثر استراتيجية التدريس التبادلي في الفهم القرائي والأداء التعبيري لدى تلامذة الصف السادس الأساسي، ولتحقيق ذلك الهدف اختارت الباحثة تصميما تجريبيا ذا ضبط جزئي واختارت الباحثة قصدياً قضاء چم چمال ضمن محافظة السليمانية، واختيرت عشوائيا مدرسـة (ئاشـتي) الاساسية للعام الدراسي 2021-2022، واختيرت شعبتان من أصل ثلاث شعب وكان عددهم (60) تلميذاً وتلميذة، درست المجموعة التجريبية باستراتيجية (التدري

This paper describes a practical study on the impact of learning's partners, Bluetooth Broadcasting system, interactive board, Real – time response system, notepad, free internet access, computer based examination, and interaction classroom, etc, had on undergraduate student performance, achievement and involving with lectures. The goal of this study is to test the hypothesis that the use of such learning techniques, tools, and strategies to improve student learning especially among the poorest performing students. Also, it gives some kind of practical comparison between the traditional way and interactive way of learning in terms of lectures time, number of tests, types of tests, student's scores, and student's involving with lectures