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Prediction of Surface Roughness after Turning of Duplex Stainless Steel (DSS)
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Feed Forward Back Propagation artificial neural network (ANN) model utilizing the MATLAB Neural Network Toolbox is designed for the prediction of surface roughness of Duplex Stainless Steel during orthogonal turning with uncoated carbide insert tool. Turning experiments were performed at various process conditions (feed rate, cutting speed, and cutting depth). Utilizing the Taguchi experimental design method, an optimum ANN architecture with the Levenberg-Marquardt training algorithm was obtained. Parametric research was performed with the optimized ANN architecture to report the impact of every turning parameter on the roughness of the surface. The results suggested that machining at a cutting speed of 355 rpm with a feed rate of 0.07 mm/rev and a depth of cut 0.4 mm was found to achieve lower surface roughness with,  an increase in the cutting speed and feed rate with the increases of the surface roughness. In addition, an increase in the depth of cut was found to reduces the surface roughness. The outcome of this study showed that ANN is a versatile tool for prediction of surface roughness and may be easily extended with greater confidence to various metal cutting processes.

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Publication Date
Mon Dec 30 2013
Journal Name
Iraqi Journal Of Chemical And Petroleum Engineering
Permeability Prediction of Un-Cored Intervals Using FZI Method and Matrix Density Grouping Method: A Case Study of Abughirab Field/Asmari FM., Iraq
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Knowledge of permeability is critical for developing an effective reservoir description. Permeability data may be calculated from well tests, cores and logs. Normally, using well log data to derive estimates of permeability is the lowest cost method. This paper will focus on the evaluation of formation permeability in un-cored intervals for Abughirab field/Asmari reservoir in Iraq from core and well log data. Hydraulic flow unit (HFU) concept is strongly related to the flow zone indicator (FZI) which is a function of the reservoir quality index (RQI). Both measures are based on porosity and permeability of cores. It is assumed that samples with similar FZI values belong to the same HFU. A generated method is also used to calculate permea

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Publication Date
Sun May 01 2016
Journal Name
Journal Of Engineering
Prediction of Ryznar Index for the treated water from WTPs on Al-Karakh side of Baghdad City using Artificial Neural Network (ANN) technique
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In this research an Artificial Neural Network (ANN) technique was applied for the prediction of Ryznar Index (RI) of the flowing water from WTPs in Al-Karakh side (left side) in Baghdad city for year 2013. Three models (ANN1, ANN2 and ANN3) have been developed and tested using data from Baghdad Mayoralty (Amanat Baghdad) including drinking water quality for the period 2004 to 2013. The results indicate that it is quite possible to use an artificial neural networks in predicting the stability index (RI) with a good degree of accuracy. Where ANN 2 model could be used to predict RI for the effluents from Al-Karakh, Al-Qadisiya and Al-Karama WTPs as the highest correlation coefficient were obtained 92.4, 82.9 and 79.1% respectively. For

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Publication Date
Sat Sep 04 2021
Journal Name
القانون والعلوم السياسية
المصالح الامريكية في القارة الافريقية بعد عام 2000
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تنشر الولايات المتحدة قوات في جميع دول القارة الافريقية بهدف السيطرة الكاملة عليها وتحقيق اهدافها ومصالحها

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Publication Date
Sat Apr 17 2021
Journal Name
رؤوية افريقيا
المصالح الفرنسية في القارة الافريقية بعد عام 2000
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تنشر الدولة الفرنسية قواتها العسكرية في جميع دول القارة الافريقية بهدف السيطرة عليها وتحقيق مصالحها الشخصية

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Publication Date
Wed Sep 25 2019
Journal Name
Journal Of The College Of Education For Women
العلاقات المصرية- الامريكية بعد ثورة 25 يناير 2011
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مرت العلاقات المصرية – الامريكية بمنعطفات مهمة كان لها تاثيرها الكبير في مسار تلك العلاقات ولعل اهمها حرب حزيران 1967 و حرب تشرين الثاني 1973 ،الا ان تلك العلاقات اخذت منعطفا مختلفاً خلال عهد الرئيس المصري انور السادات واستمرت تلك العلاقات حتى عهد الرئيس المصري حسني مبارك وشملت مختلف المجالات السياسية والاقتصادية والعسكرية والامنية ،بل وصلت العلاقة بين البلدين الى حد الشراكة..ومهما قيل عن تحسن العلاقات المصر

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Publication Date
Sat Sep 30 2023
Journal Name
Tikrit Journal For Political Science
التأثير الدولي والإقليمي لإعادة بناء العراق بعد 2003
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: تفرض مرحلة إعادة بناء الدولة أو مرحلة بناء الدولة حالتين متقاربتين، لكن تختلف تجربة كل منهما عن األخرى، ففي الحالة األولى نعني بها أن دولة ما متكاملة المقومات سواء القانونية أو السياسية أو االقتصادية، وتمتلك هذه الدولة الشرعية القانونية واالعتراف الدولي، لكن تتعرض هذه الدولة لألزمة سواء كانت ثورة أو انقالب أو احتالل، وإلى السقوط ونهاية نظامها السياسي القانوني ومن ثم إعادة بناء الدولة ومنظومتها السياسية..

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Publication Date
Wed Mar 16 2022
Journal Name
Journal Of Educational And Psychological Researches
Administrative Empowerment and Its Relationship to Remote Supervision at Public Schools
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The study aims to identify the extent of the availability of administrative empowerment and the implementation of remote supervision in relation to two variables with respect to the employees of the Saudi Ministry of Education. The study included (456) male and female supervisors. The questionnaire has been administrated to collected data related to the research aims. The results indicated that both the extent of the availability of administrative empowerment and the implementation of remote supervision is of an average degree. There is a significant correlation relationship (p<0.05) between administrative empowerment and remote supervision of the educational supervisors of the Saudi Ministry of Education. The research recommends that

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Publication Date
Wed Feb 01 2006
Journal Name
Political Sciences Journal
نزع السلاح بعد انتهاء الحرب الباردة " دراسة نقدية"
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نزع السلاح بعد انتهاء الحرب الباردة " دراسة نقدية"

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Publication Date
Wed Mar 15 2023
Journal Name
Al-academy
Becoming and integrative film in postmodern cinema
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The subject of the tagged research (becoming and integration of the film in postmodern cinema) is summarized by studying the transformations and complementarity of the film in light of the emergence of the concern of postmodernism. Then the need for it, as well as the objectives of the research and clarify its limits, as well as its importance. Then the transition to the theoretical framework, which included two sections, the first topic was entitled: Postmodern Cinema Formation and Completion, while the second topic was entitled: Paradox in Postmodern Film.

After completing the theoretical aspect, the research concluded with a number of theoretical framework indicators that were adopted as a tool for analyzing the sample, then th

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Publication Date
Mon Dec 25 2017
Journal Name
Biomedical And Pharmacology Journal
Effect of the Addition of Polyamide (Nylon 6) Micro-Particles on Some Mechanical Properties of RTV Maxillofacial Silicone Elastomer Before and After Artificial Aging
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