An experimental and theoretical investigation of the effect of flow separation on the performance of a cascade NACA 65_(12)10 axial compressor blade has been carried out. The experimental work includes the fabrication of three blades from wood, each having a chord (100mm) but one of these blades having a span of (90mm) for smoke tunnel testing and the other two blades having a span of (380mm) for wind tunnel testing. The two blades were connected by suitable mechanism in order to be fixed in the wind tunnel protractor and rotated in the required stagger angle. The cascade was tested in an open type low-speed subsonic (Mach number-0.117) wind tunnel, for Reynolds number (Re-239605) based on maximum velocity (35 m/s) and airfoil chord leng

Cognitive mapping in humans is the process of coding, storing, and processing information that. Can be used in special behavior . Several scientific Domains interfere in the concept of cognitive maps including cognitive Psychology and environmental Psychology. Three papers at the start of the last century introduced the concept of cognitive maps ,  ( Gulliverʼs  ,1908 ) brief note mentioned such maps in the context of teaching children orientation and there was a paper published by                ( Hutorowicz , 1911 ) comprising an abridged translation of a monograph written by ( B .F .Adler ) o

Annealing and normalizing treatment are one of the most important heat treatment for the steel and its alloys. In the present work a mathematical model has been used to simulate  this process, this model taken in account the variation in the physical material properties and heat transfer coefficient for the surface of metal. A numerical scheme based on control finite volume method has been used. A computer program with C++ language was constricted to found the final solution of the numerical equations.The model was used to estimate the temperatures distribution and the hardness value at each point of the workpiece. Good agreement has been obtained when compared the result of the present model with other experimental published data.<

Recovery of copper from actual spent etchant cupric chloride solution used in manufacturing of printed circuit board (PCB) containing 124 g/l Cu+2 ions concentration and 60 g/l hydrochloric acid was investigated in a batch mode jacketed tank. This tank was constructed with inner dimensions of 19×10×15 cm3 . Cylindrical rode-shape titanium was used as cathode, while two rectangular shaped graphite were used as anodes. The parameters studied were: current density (0.16-0.30 A/cm2 ), copper concentration in etchant solution (30-124 g/l) and the temperature (25-45o C). The highest current efficiency obtained was about 92% and the lowest power consumption achieved was about 2.7 W.h/g within the temperature range 25-35^o C.

احتوى الباب الاول على المقدمة واهمية البحث إذ تطرق الباحث الى الوسائل التعليمية التي تلعب دورا واسعا في عملية الإدراك إذ انها كل ما يستخدم من قبل المعلم من إمكانات متاحة تعمل على نقل وتوضيح المعلومات للمتعلم بغية الوصول إلى الهدف، وعادة يستخدم المدرس الوسيلة التعليمية المناسبة لطلابه لتساعد على إيصال المعلومات للمتعلمين بغض النظر عن الفروقات التي يمكن إن تظهر بينهم في استقبال المعلومات من خلالها لذا وجب ا

شمل البحث خمسة ابواب استهلها الباحث بمقدمة البحث واهميته الذي ذكر فيها التطور الحاصل في المجتمع البشري والذي خلف ورائه اثارا سلبية على صحة الانسان وخاصة الجهاز الدوري والجهاز التنفسي، وهذا ما اشارت اليه منظمات الصحة العالمية، وكانت المشكلة تدور حول وجود المناهج المختلفة للتأهيل ولكنها محددة العمل داخل المصحات والمستشفيات وبعيدة عن امكانية وواقع المريض الحياتية، وتهدف الدراسة الى التعرف على تاثير المنهج

. ان هدف من إعداد تمارين بأسلوبي (المتشعب والاشتقاق) لتعلم بعض المهارات الأساسية بالتنس الارضي لطلاب المرحلة الثالثة في كلية التربية البدنية وعلوم الرياضة/جامعة بغداد للعام الدراسي (2015-2016)، والتعرف على تأثير اسلوبي (المتشعب والاشتقاق) في تعلم بعض المهارات الاساسية بالتنس الارضي، والتعرف على افضلية اسلوبي المتشعب والاشتقاق في تعلم بعض المهارات الاساسية بالتنس الارضي، وتم استخدام المنهج التجريبي بأسلوب الم

The current research aims to identify the possible self of university students and the differences in the level of possible self of students in terms of gender, specialization (scientific-humanitarian), and the interaction between them. In order to achieve the objectives of the current research, the two researchers have prepared a scale of the possible self, based on the theory (Markus and Nurius, 1986). The research tool was applied to a sample of (400) male and female students who were selected through a random stratified method from Al-Mustansiriya University students/morning studies for the academic year (2019-2020). The researcher reached the following results: the research sample has a high level of possible self; there is a differ

This study developed a plasma jet system using a power source that provides a high voltage of 10 kV and a total output power of 30 W. The system operates with three gases: air, nitrogen, and argon. The setup features a plasma torch placed within a steel tube with an internal diameter of 1.4 mm and a length of 5 cm. The research focused on the significance of gas temperature and plasma jet length, investigating how the type of gas and its flow rate influence these parameters. Electrical diagnostics were performed on the system using a high-voltage probe and a calibrated current probe with resistive measurements. The working gas temperature was found to be close to the ambient temperature across various flow rates. Nitrogen exhibited the h

تعد شخصية الوزير علي بن يقطين من الشخصيات التاريخية البارزة بالرغم من كونه
عمله كوزير ف

     A new series of ether and thioether derivatives of sulfadiazine (T1-T3 and E1-E3) have been synthesized from reaction of sulfadiazine with chloroacetyl chloride and the resultant compounds treated with different phenols and thiols. The structures of target ether and thioether derivatives were confirmed depending on their analytical and spectral data. The antimicrobial effect of the final derivatives has been tested in vitro with gram-positive and gram-negative bacteria and candida albicans. The antibacterial activity of the target compounds after three days of incubation demonstrated that all the evaluated derivatives exhibited

Preparation of epoxy/MgO and epoxy/SiO2 nanocomposites is
studding. The nano composites were processed by different nano
fillers concentrations (0, 0.01, 0.02, 0.03, 0.04, 0.05, 0.07 and
0.1 wt%). Epoxy resin and nanocomposites containing different
shape nano fillers of (MgO:SiO2 composites), are shear mixing with
ratio 1:1,with different nano hybrid fillers concentrations (0.025,
0.05, 0.1, 0.15, 0.2 and 0.25 wt%) to preparation of epoxy/(MgOSiO2)
hybrid nanocomposites. Experimental tests results indicate that
the composite materials have significantly higher modulus of
elasticity than the matrix material but the hybrid nanocomposites
have lower modulus of elasticity. The wear rate was decreased in
nanoc

Metal enhanced fluorescence (MEF) is an unequaled phenomenon of metal nanoparticle surface plasmons, when light interacts with the metal nanostructures (silver nanoparticles) which result electromagnetic fields to promote the sensitivity of fluorescence. This work endeavor to study the influence of silver nanoparticles on fluorescence intensity of Fluoreseina dye by employment mixture solution with different mixing ratio. Silver nanoparticles had been manufactured by the chemical reduction method so that Ag NP layer coating had been done by hot rotation liquid method. The optical properties of the prepared samples (mixture solution of Fluoreseina dye solutions and colloidal solution with 5 minutes prepared of Ag NPs) tested by using UV-V

اهمية البحث والحاجة اليه:

       تكتسب الدراسات الخاصة بالتعليم العالي ، اهمية حيوية من حيث كونها تتطرق الى محور مهم من محاور العلم والثقافة في المجتمع الذي يحدد اتجاه ومدى حركة التقدم الاقتصادي والاجتماعي  والعلمي فيه ، فضلا عن كونه تعبيرا مباشرا عن آمال وطموحات المجتمع  وتوفير ماتحتاجه عملية البناء والتقدم والتطور في جميع مجالات الحياة وفي جميع التخصصات0

The object of this work is to investigate the effect of the addition of methanol on the shelf life and color characteristics of novolak resin. Different percentages were added and two mechanisms were suggested for the addition. High ortho structure (1, 2-3) novolak resin was prepared and used in the above investigation. Experimental determination using FT-IR and UV-spectroscopy showed that on the addition of 30% of methanol and according to the second mechanism of addition novolak shelf life increased to 12 months without obvious decomposition and color change. It is suggested that methanol plays an important role in the inhabitation of the reactive sites on the resin that are responsible for the oxidation of the polymer when exposed to

Programs directed to children through the media in general and in television in particular are among the main factors that help in forming the cultural and educational values of this important segment of society, and in light of this the study problem was identified in answering a major question: What are the cultural and educational values that Ajyal channel seeks Space planted in children through my program, Iftah Ya Simsim (in its new season) and Friends of Ajyal? , While the objectives of the study were evident in identifying the most prominent cultural and educational values that the Ajyal satellite channel worked to instill in children, and identifying the nature of the techniques used by Ajyal channel in providing the value conten

يهدف البحث الحالي إلى بناء وتطبيق أطار نظري لبعض الأساليب التي تنمي الإبداع والتي تركز على :1.مفهوم الإبداع.2.بعض أساليب التدريس التي تنمي الإبداع الرياضي.3.العوامل النفسية التي تؤثر على الأداء الرياضي المبدع.4.القدرات العقلية التي تؤثر بالإبداع. وتوصل الباحثان للاستنتاجات الآتية :1-التوعية بأهمية الإبداع لدى الطلاب وأولياء الأمور، وتدريب المدرسين على طرق تدريس تثري الإبداع عند الطلبة.2-تحويل طريقة التدريس إ

أدّتّ الاختبارات والقياسات دورا مهماً واساسياً في وصول الرياضيين الى المستويات العليا وتحقيق الإنجازات من عمليات عدة ومنها عملية الانتقاء، وذلك لان عملية الانتقاء تساعد المدربين والمختصين في اختيار اللاعبين الذين يمتلكون المؤهلات البدنية والمناسبة التي تتوافق مع متطلبات اللعبة، وإنَّ عملية الانتقاء تسهم في وصول اللاعبين الى المستويات ولاسيما إذا كان الانتقاء في مرحلة عمرية مبكرة كونها تعطي الفرصة للا

Provisions related to nails in Islamic Fiqh

يعد الحق في التعليم من حقوق الانسان المتجددة والتي تكاد تجمع الدساتير والقوانين المختلفة على معالجة الاحكام المنظمة له، والسبب في ذلك أنَّ هذا الحق يعد مقياس لتحضر وتقدم المجتمع لاي دولة.

ومن هذا المنطق جاء بحثنا ليسلط الضوء على التنظيم الدستوري والقانوني للحق في التعليم في العراق مع مقارنته بدول أخرى كجمهورية مصر العربية من اجل وضع ضوابط تنظم هذا الحق وكيفية التمتع به.

Sixty patients (male and female) with β-thalassemia major and thirty healthy subjects were enrolled in this study during their attendance at "Abin AL-Baladi Hospital in Baghdad" from September 2022 to January 2023. All patients and healthy subjects ranged in age from 15 to 30 years, and we collected the necessary data with their consent, adhering to the College of Science's ethics (CSEC/0922/0104 in 2022/9/28). Venous blood was collected and divided into two parts: the first part for the determination of CBC, and the second part was allowed to coagulate for serum separation to measure the level of C-reactive protein, ferritin, and pro-inflammatory cytokines like interleukin-1β and interleukin-6 by using the ELISA Kit. The results showe

The level density is a parameter that has great importance in the theoretical nuclear calculation, and it is considered a key of many theoretical studies, therefore, the level density in pre-equilibrium reaction or what is the so-called accurate partial level density PLD has been studied. The partial  level density PLD  used  in pre-equilibrium reactions is dependent on the parameter called single particle level density which can be calculated by two methods either using the equidistant spacing model (ESM) or non-equidistant spacing model (non-ESM)  In this study, the parameter   is estimated by using the relation between the level density parameter  and  based on Ericson and Williams's formulas (  )  is substituted from the Tho

     Antioxidant compounds are considered essential materials because they prevent or reduce free radical side chain reactions, which cause much damage. It is widely acknowledged that these damages are a major contributing factor to numerous diseases. Phenolic antioxidants are considered one of the most important antioxidant species. There is ample evidence that the antioxidant substances found in fruits and vegetables can prevent various diseases such as cancer, heart disease, diabetes, and cataracts. The food and pharmaceutical industries also make extensive use of it. Additionally, quite several phenolic medicinal compounds for anticancer, anti-inflammatory, anti-necrotic, hepato-protective, and neuroprotective purposes possess an

Rheumatoid arthritis (RA) occurs through joint inflammation and affects approximately one in 200 adults worldwide, with women affected two to three times more frequently than men. The design of this study is to examine serum levels and changes in immunological markers in Iraqi patients with RA. To evaluate the advantages of clinical biomarkers of autoimmune disorderliness as well as changes in some immunological markers and clinical outcomes associated with Iraqi rheumatoid arthritis patients. Interleukins-3 and 5 (IL-3 and IL-5) were quantified by ELISA assay kits in the serum of 60 patients with RA disease (age range 20–60 years) and 30 age-matched healthy control groups. The BMI (body mass index), C-reactive protein (CRP), erythrocy

Study of hypothyroidism and its relationship to the levels of the hormone hepcidin and C-reactive protein in people treated with levothyroxine. This study was carried out between November 2022 and March 2023. The study had a total of 90 male and female participants with an average age of 25 to 50 years old. All samples were obtained from both hospitals in Baghdad and the Medical Lab. The diagnosis of hypothyroidism based on symptoms and the hypothyroidism control test score led to the collection of 30 samples from healthy individuals, 30 from those with untreated hypothyroidism, and 30 additional samples. From people with hypothyroidism who were treated with levothyroxine, where the necessary tests were conducted for the three groups, Bl

تعد فعالية ركض 100م من الفعاليات التي تتطلب توافق في قدرة الربط حركي(عصبي- عضلي) عالي في جميع مراحلها لأجل أداء تكنيك صحيح يحقق انجازا جيدا وتحتوي على التوافق الدقيق بين حركة الذراعين والرجلين ، وكل هذا لا يتحقق إلا من خلال وجود تدريبات وتمرينات للقوة العضلية والسرعة والتوافق تساعد في الأداء الصحيح وخاصة عند اللاعب ذو الإعاقة العقلية البسيطة ، لذلك فأن العمل على هذه القدرات البدنية منها والحركية لدى إفراد الإ

In the present study, the physical characteristics of elastomer (EL) blend with natural polymers such as polyvinyl alcohol (PVA), Dexrin (D), Arabic gum (AG), and corn starch (CS) based on high-density fiberboard wood adhesives were investigated. The EL blends were prepared by dissolving AG, D, PVA, and CS in deionized water at 70 °C for 1 h under magnetic stirring continuously until the solution was clear, and blends were made with a weight of 60/40 (w/w); then were cast into a mold with a 20 cm diameter and left at room temperature for 24 h to ensure complete water removal and drying of the samples. The prepared EL and EL blend structures, adhesion strengths, roughness, wettings, and dielectric strengths, were investigated. The modifi

Due to the importance of solutions of partial differential equations, linear, nonlinear, homogeneous, and non-homogeneous, in important life applications, including engineering applications, physics and astronomy, medical sciences, and life technology, and their importance in solutions to heat transfer equations, wave, Laplace equation, telegraph, etc. In this paper, a new double integral transform has been proposed.

In this work, we have introduced a new double transform ( Double Complex EE Transform ). In addition, we presented the convolution theorem and proved the properties of the proposed transform, which has an effective and useful role in dealing with the solution of two-dimensional partial differential equations. Moreover

Carbamazepine (CBZ) is an antiepileptic medication (AED) intended to treat epilepsy, although it is also used to treat psychiatric problems and neuropathic pain. CBZ use has been linked to male reproduction problems such as hormonal changes, sexual problems, and sperm quality loss in addition to its effect on the hypothalamic-pituitary-gonadal (HPG) axis. The present study aimed to check the potential consequences of carbamazepine on the histology of the testis. In this experiment, 24 adult males of Swiss albino mice were divided into four groups. The control group was gavaged with distilled water, and the others were treated with carbamazepine orally administered with 0.1 ml of a daily dose of concentrations (2.5, 5 and 10) mg/kg bw for