Hot mix recycling of asphalt pavements is increasingly being used as one of the major rehabilitation methods by various highway agencies. Besides general savings in costs and energy expended, it also saves our natural resources and environment.  Recycling process presents a sustainable pavement by using the old materials that could be reclaimed from the pavement; these materials could be mixed with recycling agents to produce recycled mixtures. The important expected benefits of recycling process are the conservation of natural resources and reduction of environmental impact. The primary objectives of this work are evaluating the Tensile and Shear Properties of recycled asphalt concrete mixtures, In addition to the

Compaction curves are widely used in civil engineering especially for road constructions, embankments, etc. Obtaining the precise amount of Optimum Moisture Content (OMC) that gives the Maximum Dry Unit weight g_dmax. is very important, where the desired soil strength can be achieved in addition to economic aspects.

In this paper, three peak functions were used to obtain the OMC and g_dmax. through curve fitting for the values obtained from Standard Proctor Test. Another surface fitting was also used to model the Ohio’s compaction curves that represent the very large variation of compacted soil types.

The results showed very good correlation between the values obtained from some publ

نظراً لخطورة الجرائم التي ارتكبتها عصابات داعش الارهابية في العراق كان لابد من تسليط الضوء على كيفية الحيلولة دون افلاتهم من العقاب ، لذا جاء هذا البحث ليبحث في التركيب لتلك العصابات وماهي طبيعتهم ومصدر تمويلهم، ومن ثم تشخيص طبيعة الجرائم المرتكبة من قبلهم وهل تندرج تلك الجرائم في اطار القانون الجنائي الدولي ام تنحصر في اطار قانون العقوبات العراقي وقانون مكافحة الإرهاب رقم 13 لسنة 2005، بعدها استطعنا ان نتوص

موضوع الحرية بشكل عام يعد من الموضوعات المهمة لدى المشرع الدستوري فلذا حرص كل الحرص ان ينص عليه في مقدمة ومحتوى نصوصه وذلك لما عان المجتمع من الويلات  والظلم والاستبداد من قبل الحكام و المحكومين جعلت الحرية تحت رحمة إفتاتهم ، فقد نصت الإعلانات العالمية و العربية على ضرورة إعطاء الحريات العامة بدون تمييز عرقي او قومي بل للإنسانية جمعاء وقد رتب اثارا على من تخلف عن الاتفاقيات تشجيعا منه لحث المشرعين الوطني

One of the most important parameters determining structural members' durability and strength is the fire flame's influence and hazard. Some engineers have advocated using advanced analytical models to predict fire spread impact within a compartment and considering finite element models of structural components to estimate the temperatures within a component using heat transfer analysis. This paper presented a numerical simulation for a reinforced concrete beam’s structural response in a case containing Water Absorbing Polymer Spheres (WAPS) subjected to fire flame effect. The commercial finite element package ABAQUS was considered. The relevant geometrical and material parameters of the reinforced concrete beam model a

The difficulty of building a secure network is due to the changing nature of the enterprise coupled with the increasing sophistication of the hacker threat, both from inside and outside of the network. Active networks enable individual user or groups of users to inject customized programs into the nodes of the network.
The proposed system depends on the basic concepts (authentication and authorization) and uses RSA algorithm to add additional level of security. The proposed system also depends on active packet architecture, the packet will represented in the active node as input, and when the packet is retransmitted to another active node it carries information about each node it visits. The result of execution the packet will display

       الاصل في القاعدة الجزائية انها تتكون من شقين التجريم والجزاء، شق التجريم هو الشق السلوكي الامر الذي يصف ما يجب فعله وما لا يجب فعله، فهو امر او نهي يتوجه به المشرع الى المكلف بالخضوع للقاعدة الجزائية، اما شق الجزاء فهو الاثر القانوني الذي يترتب على مخالفة شق التكليف، والاصل ان تأتي القاعدة الجزائية بشقيها في نص جزائي واحد، الا انها قد توجد مجزأة بين اكثر من نص تشريعي في قانون او قوانين مخ

Leaching scheduling techniques are one of the suggested solutions for water scarcity problems .The aim of the study is to show the possibility of using leaching scheduling, when applying the irrigation scheduling program for a certain irrigation project, which was prepare by Water Resources Engineering –University of Baghdad with some modifications to generalized it and it make applicable to various climatic zone and different soil types.
The objectives of this research is to build a system that concerns the prediction of the leaching scheduling (depth and date of leaching water), illustrating the main problems (soil salinity, save the amount of leaching requirement, and to maintain crops growth).The other objective is to compare be

The current research aims to identify the occupational stresses of doctors who are working in governmental hospitals according to the variables of gender and career ranking. The researcher adopted a scale to measure the occupational stress of (1088) doctors (561 males and 527 females) working in governmental hospitals. The results have shown that doctors have a high level of professional stress, but there is no significant difference between doctors in terms of gender. However, there were significant differences in favor of novice residents.

أصبح مفهوم تكنولوجيا المعلومات والاتصالات بين الدول من المفاهيم المتعارف عليها, في المجتمع الدولي, وعلى ضوء ذلك قامت الدبلوماسية بدور هام وحيوي في مجال العلاقات الدولية, فمن خلالها تتم معالجة كافة الشؤون التي تهم بها مختلف الدول, والتوفيق بين مصالحها المتعارفة وكذلك وجهات النظر المتباينة, وفي ضوء ذلك أصبحت ثورة تكنولوجيا المعلومات والاتصالات عاملاً لا يمكن إغفال تأثيره على النظام الدولي والقانون الدولي ب

Nowadays power systems are huge networks that consist of electrical energy sources, static and lumped load components, connected over long distances by A.C. transmission lines. Voltage improvement is an important aspect of the power system. If the issue is not dealt with properly, may lead to voltage collapse.  In this paper, HVDC links/bipolar connections were inserted in a power system in order to improve the voltage profile. The load flow was simulated by Electrical Transient Analyzer Program (ETAP.16) program in which Newton- Raphson method is used. The load flow simulation studies show a significant enhancement of the power system performance after applying HVDC links on Kurdistan power systems. Th

The reality of the field of construction projects in Iraq refers to needing for the development of performance in order to improve quality and reduce defects and errors and to control the time and cost, so there is needing for the application of effective methods in this area, one of the methods that can be applied in this area is the manner of Six Sigma. This research aims to enhance the performance and quality improvement for the construction projects by improving performance in the work of the implementation of the concrete structure depending on the Six Sigma methodology, and for the purpose of achieving the aim of the research, the researcher firstly depends on the theoretical study that include the concepts of qual

A competitive adsorption of Cu²⁺, Ni²⁺, and Cd²⁺ ions from a synthetic wastewater onto nanomaterial was studied.(Fe₃O₄) nanoparticles obtained from US Research Nanomaterials, Inc., Houston, TX 77084, (USA), was used as nanosorbent. Experimental parameters included pH, initial metal concentrations, and temperature were studied for nanosorbent. The uptake capacity 11.5, 6.07 and 11.1 mg/g for Cu²⁺, Ni²⁺and Cd²⁺, respectively, onto nanosorbent . The optimum pH values was 6 and the contact time was 50 min. for Cu²⁺, Ni²⁺and Cd²⁺, respectively. The equilibrium isotherm for

         الدساتير مهما تفرعت وفصلت في القواعد الدستورية فان تصور وجود النقص الدستوري هنا او هناك في المسائل الدستورية امرا حتمي الحدوث, فلا يمكن للسلطة التأسيسية ان تدعي العصمة عن الخطأ او الغفلة والتحصن في دائرة النقص التشريعي, عليه تناول البحث مواطن النقص الدستوري في دستور جمهورية العراق وامكانية معالجته عن طريق التعديل والتفسير القضائي.

The study aims to identify the degree of implementation of the coronavirus prevention standards (covid-19) in the kingdom of Saudi Arabia and compare it with the families of intellectual disabilities. The study population consisted of all families residing in the Kingdom of Saudi Arabia. To achieve the objectives of the research, the analytical descriptive approach was employed. The study sample consisted of (372) families, among them (84) families with intellectual disabilities, and (288) families without intellectual disabilities. They were chosen from the Saudi community according to what is available for collection in a simple random way, using the standard criteria for the prevention of coronavirus (Covid- 19) Prepared by the resear

        صاحب ظهور الحاسب الآلي والتوسع في استخدام شبكة الإنترنت في مجالات الحياة المختلفة ظهور بعض الآثار السلبية والمخاطر المترتبة على هذا التوسع، إذ كلما زاد الاعتماد على هذه التقنيات في التنمية، كلما زادت معه المخاطر الخاصة بحماية المعلومات، ومع تزايد الاعتماد العالمي على تكنولوجيا المعلومات والاتصالات, سيما فيما يتعلق الجانب الحكومي والمنشآت العامة، فقد تزايد أيضاً تعرض الدول للهجما

This  investigation was conducted to recognize the structure for (RHETI version 2.5  1999) by using exploratory and confirmatory factor analysis. Sample of (620) student of Al-Mustansrya University were administered the (RHETI).

The data of their responses was analyzed by using (PAF) and oblique rotating .

The findings explored (9) factors as one factor for each type and (184) items were loaded by the factors: (60) item for feeling center, (61) items for instinctive center and (63) items for thinking center.

Results of confirmatory factorial analysis supported a model designed by the researcher depended upon a theoretical views of Riso and Hudson

في العقود الملزمة للجانبين اذا لم ينفذ احد المتعاقدين التزامه تنفيذا كليا فانه يجوز للمتعاقد الاخر ان يطلب من المحكمة فسخ العقد فسخا كليا ، الا انه قد يقتصر عدم التنفيذ على جزء من التزامه فعندئذ يثار التساؤل الاتي: هل يمكن فسخ العقد فسخا جزئيا ؟ الملاحظ ان هنالك خلافا فقهيا وقضائيا كبيرا حول جواز الفسخ الجزئي ، فالبعض يجيز الحكم بالفسخ الجزئي ، والبعض الاخر لا يجيز الحكم بالفسخ الجزئي، وقد انتهينا الى القول

Due to the popularity of radar , receive often “ hear “ a great number of other transmitters in addition to their own return merely in noise . The dealing with the problem of identify and / or separating a sum of tens of such pulse trains from a number of different sources are often received on the one communication channel. It is then of interest to identify which pulses are from which source , based on the assumption that the different sources have different characteristics .This search deals with a graphical user interface (GUI) to generate the radar pulse in order to use the required radar signal in any specified location .

The present research is concerned with the future phase-out of halocarbon types of refrigerants used in the vapor compression refrigeration systems. A window-type air conditioner is selected for the tests to be conducted with two different refrigerants. It is well known that these cooling units are wide spread in their applications and are circulating R-22 as a refrigerant. It is intended to replace this type of refrigerant by another type which is considered to be as environmental friendly refrigerant for smooth operation. The refrigerant selected for this object was R-407C for its favorable thermal properties and acceptable pressure and temperature ranges. The effect of replacing this refrigerant as a substitute on the performance of t

This study investigates the performance of granular dead anaerobic sludge (GDAS) bio-sorbent as permeable reactive barrier in removing phenol from a simulated contaminated shallow groundwater. Batch tests have been performed to characterize the equilibrium sorption properties of the GDAS and sandy soil in phenol-containing aqueous solutions. The results of GDAS tests proved that the best values of operating parameters, which achieve the maximum removal efficiency of phenol (=85%), at equilibrium contact time (=3 hr), initial pH of the solution (=5), initial phenol concentration (=50 mg/l), GDAS dosage (=0.5 g/100 ml), and agitation speed (=250 rpm). Fourier transform infrared (FTIR) analysis proved that the carboxylic acid, aromatic, alk

In this research a theoretical study has been carried out on the behavior and strength of simply supported composite beams strengthened by steel cover plate taking into consideration partial interaction of shear connectors and nonlinear behavior of the materials and shear connectors. Following the procedure that already has been adopted by Johnson (1975), the basic differential equations of equilibrium and compatibility were reduced to single differential equation in terms of interface slip between concrete slab and steel beam. Furthermore, in order to consider the nonlinear behavior of steel, concrete and shear connectors, the basic equation was rearranged so that all terms related to materials are isol

The purpose of the study is to investigate the effect of the constructivist model of yager in acquiring the geographical concepts among first intermediate students in geography. The study was carried on based on the null hypothesis, which states, there is no significant difference at the level of (0.05) between the experimental group that follows yager model in learning the principles of geography, and the control group that studies the same subject considering the traditional methods of learning, the. To do so, a sample of (70) first-intermediate student were chosen purposefully from two random class for the academic year (2016-2017) divided into two groups. The selected schools located at Al-rusafa side in the city of Baghdad, as well

The research aims to identify the psychological and health risks that a child might be exposed to by playing with hazardous toys such as pellet guns. To this end, the researcher has visited Ibn Al-Haytham Eye Hospital in Baghdad, the emergency department to figure out the rate of injuries in Children for the consecutive years (2017-2018) and the first Month of (2019). The psychological risks as a result of disability are represented by the inability to accommodate the surrounding environment well. Additionally, the child experiences a kind of tension, conflict, and going in psychological crises through introversion, isolation, withdrawal tendencies, and poor conformity with himself and the Society.

This study focuses on the modeling of manufactured damper when used in steel buildings. The main aim of the manufactured dampers is to protect the steel buildings from the damaging effects that may result due to earthquakes by introducing an extra damping in addition to the traditional damping.
Only Pure Manufactured Dampers, has been considered in this study. Viscous modeling of damping is generally preferred in structural engineering as it leads to a linear model then it has been used during this study to simulate the behavior of the Pure Manufactured Damper.
After definition of structural parameters of a manufactured damper (its stiffness and its damping) it can be used as a structural element that can be added to a mathematica

Abstract

The current research aims to identify the most prominent beliefs about coronavirus of Baghdad University students, as well as to identify the prominent beliefs toward coronavirus of male and female students. To achieve the research objectives, a questionnaire of (15) items was administered to a sample of (600) male and female students collected from ten different colleges at the university of Baghdad. The findings of the research illustrated that item (8) took priority as students believe there is a misleading about coronavirus spreading by governments, item (2) which indicated that coronavirus is man-made took level two, followed by item (10), it proposes that coronavirus emerged from the American milit

Coagulation - flocculation are basic chemical engineering method in the treatment of metal-bearing industrial wastewater because it removes colloidal particles, some soluble compounds and very fine solid suspensions initially present in the wastewater by destabilization and formation of flocs. This research was conducted to study the feasibility of using natural coagulant such as okra and mallow and chemical coagulant such as alum for removing Cu and increase the removal efficiency and reduce the turbidity of treated water. Fourier transform Infrared (FTIR) was carried out for okra and mallow before and after coagulant to determine their type of functional groups. Carbonyl and hydroxyl functional groups on the surface of

ABSTRACT:
Engineering education should involve practical laboratory to support theoretical foundation and develop
student skills. These hands on laboratories have some disadvantages such as expensive, supervision required, time and place restrictions. This paper presents design and evaluation of a web based virtual laboratory for teaching Digital Signal Processing (DSP) to undergraduate students in Electromechanical Engineering Department at the University of Technology. The laboratory experiments includes classification of signals, sampling theorem, Fourier series, complex Fourier series, Fourier transform, inverse Fourier transform, discrete Fourier transform, Fast Fourier Transform (FFT),convolution , Z-transform, and digital fi