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The Main Engineering's Education Issues During And After Graduation, Abdullah Hussain, Merzah Imran Aug 2026

The Main Engineering's Education Issues During And After Graduation, Abdullah Hussain, Merzah Imran

Engineering and Technology Journal

The opportunity of teaching engineers is not easy as everybody thinks for many reasons, some of these issues are related to the students' disappointment as a result of getting the engineering field and the other one related to lack of available knowledge about the role of engineers in improving and developing the life quality and the country overall. So, this paper will focus the light on the main issues and challenges that face the engineering education, with the possible solutions in order to reduce the unemployment and expelled from the job due to the lack of experience or lack the …

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Develop And Analyze A Model For Teaching According To The Flipped Class Approach, Ibtisam Hasan, Hatam Karem, Sahar Fafraj Aug 2026

Develop And Analyze A Model For Teaching According To The Flipped Class Approach, Ibtisam Hasan, Hatam Karem, Sahar Fafraj

Engineering and Technology Journal

In this paper, the flipped class strategy has been designed for electromechanical devices lessons. As a first step towards flipping the classroom two lessons are selected from the curriculum common. Delivering lecture content of selected topics before coming to class through notes and other media has been done, while the class time is effectively engaged in high-level thinking. The first step is to try to create the required educational materials to provide content related to topics outside of classroom environment. The second step is to design effective learning strategies for Problem Solving. JIGSAW method has been used for the in …

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A Study To Improve The Biomedical Instrumentation Lab Training, Nebras Ghaeb Aug 2026

A Study To Improve The Biomedical Instrumentation Lab Training, Nebras Ghaeb

Engineering and Technology Journal

Constructing and testing the syllabus for experimental laboratory for Biomedical Engineering needs a lot of practical experiences and skills. Especially with the huge challenges and changes happened worldwide in this field of study. The present study discusses the available materials and directions presented up-to-date in the syllabus of the Biomedical Instrumentation Lab (BMIL), and suggest a new hybrid improvement depends on the real requirement for the educational output for the next few years. The object behind this suggestion is to close the gap between the academic university study and the real medical device market, making use the complementary between the …

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Study The Effect Of Apply The Problem Based Learning In Engineering Education, Raed Hwayyin, Azhar Ameed Aug 2026

Study The Effect Of Apply The Problem Based Learning In Engineering Education, Raed Hwayyin, Azhar Ameed

Engineering and Technology Journal

The study examined the effect of application of the problem-based learning method of teaching engineering students in the Department of Petroleum Technology compared to traditional teaching methods (lecture). The problem-based learning method involved a number of assessments and exams that students individually and collectively performed. The study investigates the first class students of petroleum technology department of two subjects which are the calculus and engineering practice subjects. The study is use the statistical calculations to compare between applying the problem based learning and tradition method “lecture method” in engineering education, and taking into consideration the individual differences between students to …

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Instructional Design For Engineering System Based Software Cycle Methodology (Idscm), Iman Kareem Aug 2026

Instructional Design For Engineering System Based Software Cycle Methodology (Idscm), Iman Kareem

Engineering and Technology Journal

An instructional program has been prepared depending on instructional design concepts to present concepts and information of an engineering system. The design and construction of an instructional program have done by using analysis design implementation and evaluation (ADDIE) instructional model. It is used for simulation the designing of engineering system using modern and intelligent controller technique. The simulation design was dependent on new methodology is named software cycle method. To achieve the aims from the program a questionnaire is prepared to evaluate the program by a number of experts and beneficiary groups. The result of the questionnaire is used as …

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Different Levels Of Engineering Education (Ee): Needs And Applications, Ameen Al-Juboori, Aws Al-Akam, Amir Saud Aug 2026

Different Levels Of Engineering Education (Ee): Needs And Applications, Ameen Al-Juboori, Aws Al-Akam, Amir Saud

Engineering and Technology Journal

Engineering education is often described as being constructivist, suggesting that learning involves constructing an understanding of several components. There is a commonly used series of levels of learning. It is most frequently presented in terms of six levels of understanding. Every learner has to follow these levels. However, the impact of these levels may vary from one learner to another. This paper study the impact of one different level of Engineering Education (EE) on the different background of learners. Furthermore, it investigates the problems that face EE in Iraq and offers several solutions. This work is the first step to …

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Assessing The Level Of Reflective Thinking In Engineering Teachers During The Process Of Research Action, Raudhah Ali, Abdulhadi Al-Saady, Najah Al Maimuri Aug 2026

Assessing The Level Of Reflective Thinking In Engineering Teachers During The Process Of Research Action, Raudhah Ali, Abdulhadi Al-Saady, Najah Al Maimuri

Engineering and Technology Journal

A hydrogeologic study has been adopted to conceptualize the concepts of groundwater levels lowering in swamped area of Tyass, middle of Iraq. 2D dimensional groundwater model and, mitigation model have been used to mitigate the aquifer against high salinity and chemical pollutants by the mitigation theory of heterogeneous subsurface media which basically depends upon physical and mathematical derivation, evaluation of chemical pollutants and total dissolved salts (TDS) of subsurface water before and after mitigation process. The water table level was lowered up to 2.43m at the center of a pumping well of abstraction discharge (400m3/day) obtained after 2755days in steady …

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Challenges Of Implementation E-Learning Platforms In Iraqi Universities, Nazhat Abdulrazak, Mariam Ali Aug 2026

Challenges Of Implementation E-Learning Platforms In Iraqi Universities, Nazhat Abdulrazak, Mariam Ali

Engineering and Technology Journal

The great development in the field of information and communication technology (ICT) moved the education reality to a new horizon, where the internet touches almost all aspects of digital learning, we are currently experiencing the existence of electronic platforms in  large extent, especially in the field of electronic learning (E-learning), The existence of these platforms stems from the importance of education in general and the importance of transferring the educational process to electronic areas to facilitate learning, in particular, This research aims to target the problems experienced by e-learning in Iraq and offer some recommendations that may contribute to reducing …

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Evaluation Of Teaching Process Using Capability Index, Hadeel Dekhn, Aqeel Husein, Ali Majdi Aug 2026

Evaluation Of Teaching Process Using Capability Index, Hadeel Dekhn, Aqeel Husein, Ali Majdi

Engineering and Technology Journal

This study introduces an application of using Process Capability Index as an approach in evaluating the teaching process. The goal of the study is to build and represent a measure to the effectiveness of teaching process and its impact on the learning level of students. Two groups of students in AL- Mustaqbal University Colledge are taken as a sample. Many quizzes (short exams) were done with each group and their scores were recorded. A statistical analysis is made and the process capabilities are calculated. Results shows that this control technique was effective in improving scores of students and hence the …

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E-Learning Applications In Engineering And The Project-Based Learning Vs Problem-Based Learning Styles: A Critical & Comparative Study, Hatim Abood Aug 2026

E-Learning Applications In Engineering And The Project-Based Learning Vs Problem-Based Learning Styles: A Critical & Comparative Study, Hatim Abood

Engineering and Technology Journal

The paper aims to critically review the learning styles and teaching methods of engineering curricula and to compare it with the requirements of engineering profession. Present engineers need to response effectively to the increasingly complex systems. The engineer has to deal with vector and scaler quantities, complex numbers, imaginary parts, electromagnetic fields, and complex constructions are designed and implemented in 3-Dimensions environment. This should be reflected in engineering education styles, where lecturers try to convey many aspects of complex systems. The purpose of engineering education is that to graduate engineers who can design and solve technical problems, and that design …

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Mapping Lclu Using Python Scripting, Oday Jasim, Khalid Hasoon, Noor Sadiqe Aug 2026

Mapping Lclu Using Python Scripting, Oday Jasim, Khalid Hasoon, Noor Sadiqe

Engineering and Technology Journal

Land cover land use changes constantly with the time at local, regional, and global scales, therefore, remote sensing provides wide, and broad information for quantifying the location, extent, and variability of change; the reason and processes of change; and the responses to and consequences of change. And considering to the importance of mapping of (LCLU). For that reason this study will focus on the problems arising from the traditional classification (LCLU) that based on spatial resolution only which leads to prediction a thematic map with noisy classes, and using a new method that depend on spectral and spatial resolution to …

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The Extraction Of Alumina From Kaolin, Alaa Ali, Mohammed Al-Taie, Ihab Ayoob Aug 2026

The Extraction Of Alumina From Kaolin, Alaa Ali, Mohammed Al-Taie, Ihab Ayoob

Engineering and Technology Journal

Alumina has wide industrial and technological applications that can be extracted from different locations, different methods and materials. Kaolin from Iraq Alduikhla astrologer has used as a raw material source for alumina production. The alumina concentration in the Iraqi kaolin is more than 34% which considered as a good replacement for bauxite rack. Crushing andground is the first process to reduce the kaolin particle size to the micron level which increases the surface area of kaolin.The kaolin is heat treated at different temperatures (600, 650, 700 and 750) ̊C for 2 hours to remove some of ithe mpurity like organic …

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Experimental Study Of 3d Printing Density Effect On The Mechanical Properties Of The Carbon-Fiber And Polylactic Acid Specimens, Wafa Soud, Ihsan Baqer, Mohammed Ahmed Aug 2026

Experimental Study Of 3d Printing Density Effect On The Mechanical Properties Of The Carbon-Fiber And Polylactic Acid Specimens, Wafa Soud, Ihsan Baqer, Mohammed Ahmed

Engineering and Technology Journal

Two 3D printed materials (Polylactic Acid and Carbon fiber) with variable printing density have been investigated due to their practical uses in the engineering utilization. The effect of printing density composites was studied by the tensile test. The used materials stress-strain curves were analyzed to find modulus of elasticity and ultimate tensile strength of the mentioned materials. The results manifested that the carbon fiber has the highest strength-weight ratio. On the other hand, the carbon fiber showed more ductility than the Polylactic Acid. The results of this paper will be aiding the researchers or engineering students to decide which material …

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Study The Microstructure And Mechanical Properties Of High Chromium White Cast Iron (Hcwci) Under Different Martempering Quenching Mediums, Ali Ataiwi, Zainab Betti Aug 2026

Study The Microstructure And Mechanical Properties Of High Chromium White Cast Iron (Hcwci) Under Different Martempering Quenching Mediums, Ali Ataiwi, Zainab Betti

Engineering and Technology Journal

The aim of this study is to find an alternative quenching medium for the ordinary nitrate mixture that is cheaper and more available in Iraqi markets. So to obtain the suitable medium , the  effect of different quenching mediums used in martempering treatment on the microstructure and mechanical properties of  high chromium white cast iron was studied  . This type of cast iron is used in mining ,crushing and cement plants as mill liners so it is subjected to extreme conditions of wear and impact that eventually cause failure . In this study, two types of quenching mediums were used …

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Development The Physical Properties Of Polymeric Blend (Sr/ Pmma) By Adding Various Types Of Nanoparticles, Used For Maxillofacial Prosthesis Applications, Sihama Salih, Jawad Oleiwi, Hajir Ali Aug 2026

Development The Physical Properties Of Polymeric Blend (Sr/ Pmma) By Adding Various Types Of Nanoparticles, Used For Maxillofacial Prosthesis Applications, Sihama Salih, Jawad Oleiwi, Hajir Ali

Engineering and Technology Journal

As maxillofacial defects increased due to cancer; it became necessary to select high-quality prosthetic materials in this field. Silicone rubber is widely used in damaged maxillofacial affected areas replacement surgery as bio material. The aim of this research, prepared a nano composites materials, from polymer blend (silicone rubber: 5% PMMA) reinforced by different types of nano-powders; pomegranate Peels Powder (PPP), Seeds powder of dates Ajwa (SPDA) and TiO2 nano-powders with loading level (0.0, 0.1, 0.2, 0.3 and 0.4%). Some physical properties such as density, water absorption, and Thermo-Physical test, FTIR analysis, as well as, FTIR, antibacterial tests were done on …

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Assessment Of The Desalinationeffect On Shatal-Arab, Mohammed Al-Hashimi, Falah Alnedawy Aug 2026

Assessment Of The Desalinationeffect On Shatal-Arab, Mohammed Al-Hashimi, Falah Alnedawy

Engineering and Technology Journal

The resource of the dulcet water decreasing on our plant. Obstacles and problems that face water resources are the pollution and increasing of industrial wastes because of the human activities, lack of water resources in a place is considered dryness on well as unacceptable quality and quantity. The effect of outstretch and tide in estuaries of rivers increase the concentration of the salt in surface water. The city of Basra suffers from the lack of water discharge and high concentration of salt , wastewater, and the salt wedge ascending from downstream of Shat al – Arab river. The water decrease …

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Environmental Impact Assessment For Modern Brick Factory In Baghdad, Iraq, Saadi Al-Nuzal, Salih Al-Bakri, Sarah Zankana Aug 2026

Environmental Impact Assessment For Modern Brick Factory In Baghdad, Iraq, Saadi Al-Nuzal, Salih Al-Bakri, Sarah Zankana

Engineering and Technology Journal

The environmental and social impacts of a bricks factory was evaluated and the information's have been collected from a community questionnaire, as well as the analysis quadrilateral (SOWT) strategic for default modern bricks factory. The results devolve toward the manufacture of bricks with a modern and environment friend technology showed the extent of the community's awareness about contaminants posed by traditional brick plants. The analysis of the strategic quadrilateral project gave positive results in terms of overcome strength elements and of weakness in the internal environment and opportunities to overcome threats in the external environment for the modern factory. The …

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Rubber Pad Sheet Metal Forming Of Round Metal Blanks Into Multi Shape Axisymmetric Cups By Fea And Experimental Methods, Karem Younis, Adnan Mohammed, Jalil Shukur Aug 2026

Rubber Pad Sheet Metal Forming Of Round Metal Blanks Into Multi Shape Axisymmetric Cups By Fea And Experimental Methods, Karem Younis, Adnan Mohammed, Jalil Shukur

Engineering and Technology Journal

Rubber-pad forming process of round sheet blanks into axisymmetric cups is studied by numerical and experimental approaches. In the experiments, round metal sheets are formed into the axisymmetric cups by pressing them between a rubber pad and a former block with desirable shape. To investigate influences of different parameters on the forming load, three former blocks with different shapes, blank material of low carbon steel (ST12) with thickness 0.5 mm ,three polyurethane rubber with different hardness (50,60 and 70) shore A and rubber pad having three different thickness (40,60 and 80) mm . ANSYS Workbench utilized to perform the numerical …

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Seasonal Variations Of Air Pollutants Concentrations Within Baghdad City, Layla Alwan, Sedik Al-Hiyaly, Ayat Mahdi Aug 2026

Seasonal Variations Of Air Pollutants Concentrations Within Baghdad City, Layla Alwan, Sedik Al-Hiyaly, Ayat Mahdi

Engineering and Technology Journal

Air pollution is increased significantly nowadays due to variousindustrial activities and car combustion emissions. In this work, data have beencollected from Al-Jadrya Monitoring Station (JMS). The effects of seasonalvariation on the pollutants concentration were examined. Furthermore,relations of nitrogen oxides concentrations (NOx) were assessed during the firsthours of the working days. Three randomly days from each of January,February, July and August have been taken to represent winter and summerseasons, respectively. It has been found that concentrations of all examinedpollutants have not exceeded the acceptable limits. However, nitrogen oxides(NOx) seem to be effected by seasonal variation where its concentration hasincreased in June …

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Phytoremediation Of Heavy Metals(Cd, Cu, Fe, And Pb) By Using Aquatic Plants In Shatt Al-Arab River, Taha Al-Edani, Hayfaa Al-Tameemi, Zainab Jasim Aug 2026

Phytoremediation Of Heavy Metals(Cd, Cu, Fe, And Pb) By Using Aquatic Plants In Shatt Al-Arab River, Taha Al-Edani, Hayfaa Al-Tameemi, Zainab Jasim

Engineering and Technology Journal

The study conducted to evaluate the ability of some aquatic plants in absorption and accumulate some heavy metals (Cd, Cu, Fe, and Pb) in their tissues from contaminated water in two sites of Shatt Al-Arab River, Province of Basrah/Iraq. Water samples were collected from two sites one of them north of Basrah (Gurna) and the other from Sindbad island middle site of Shatt Al-Arab river. The chemical analysis had been performed to find out water quality. A laboratory experiment had been conducted by using three types of aquatic plants which were; Common Hornwort (Ceratophyllum demersum L., Common Reed (Phragmites australis …

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Heavy Metals Accumulation In Two Types Of Tree Leaves From Baghdad Urban Areas, Maha Mahmood, Athmar Al-Mashhady, Ali Ali Aug 2026

Heavy Metals Accumulation In Two Types Of Tree Leaves From Baghdad Urban Areas, Maha Mahmood, Athmar Al-Mashhady, Ali Ali

Engineering and Technology Journal

It is well known that environmental pollution by many heavymetals is a serious problem to the natural ecosystem due to their toxiceffects. Most heavy metals such as Cu, Mn, Fe, and Zn are needed byvarious organisms but at certain concentrations is very necessary forboth plants and animals. However, it has been suggested that ever greenplant trees can assist in controlling such pollution via various methodswhere one method is the ability of these plant trees to absorb heavymetals from contaminated soils. The current work was designed to assessCd, Mn and Pb plant content in two tree species (Eucalyptus sp. andAlbizia sp.) …

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Dna Fingerprints Of Two Tilapia Fish Species Of Euphrates River At Governorate Ofal-Muthanna Using Rapd Markers, Taha Al-Khafaji, Mustafa Ziyadi, Marwa Musad Aug 2026

Dna Fingerprints Of Two Tilapia Fish Species Of Euphrates River At Governorate Ofal-Muthanna Using Rapd Markers, Taha Al-Khafaji, Mustafa Ziyadi, Marwa Musad

Engineering and Technology Journal

During the last decade, tilapia species (Cichlidae: Teleostei) becamemembers of Iraqi fish fauna. They characterized with morphological similarity amonggenera and species. That makes species differentiation not easily. Molecular methodsfollowed to differentiate between redbelly tilapia Coptodon zillii (Gervais, 1848) andblue tilapia Oreochromis aureus (Steindachner, 1864) of the Euphrates River sectorat Al-Samawah city. RAPD-PCR method used to create the genetic fingerprints of twotilapia fish species. Seven decamer primers (OPA08, OPA10, OPA13, OPA17,OPA19, OPB08 and OPC02) used to amplify DNA fragments using PCR-RAPDtechnique. Forty-four bands scored after electrophoresis on 2% agarose gel alongwith molecular marker fragmented to each 100 base pair. The molecular …

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Behavior Of Recycled Aggregate Fibrous Reinforced Beams Under Flexural And Shear Loading, Eyad Sayhood, Ali Resheq, Farah Raoof Aug 2026

Behavior Of Recycled Aggregate Fibrous Reinforced Beams Under Flexural And Shear Loading, Eyad Sayhood, Ali Resheq, Farah Raoof

Engineering and Technology Journal

The use of recycled concrete aggregates (RCA) to replace part or all of the natural coarse aggregates (NCA) in the production of concrete has been on the increase. Such use helps in the protection of the natural resources and in the reduction in the use o f landfills. The experimental work consists of casting and testing ten rectangular simply supported reinforced concrete beams of dimensions (1500*150*240) mm with concentric point load at mid span as well as tests for control specimens to determine the mechanical prope rties of the concert. Five beams of these ten beams were designed to fail …

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Study The Performance Of Dissolved Air Flotation As Industrial Wastewater Treatment Method, Thamer Mohammed, Mohammed Albarazanje Aug 2026

Study The Performance Of Dissolved Air Flotation As Industrial Wastewater Treatment Method, Thamer Mohammed, Mohammed Albarazanje

Engineering and Technology Journal

This research aimed to study the removal efficiency of oilpollutant from industrial wastewater by dissolved-air flotation (DAF)with and without chemical coagulants. The sample test of wastewater isdischarged from Daura Refinery. The performance of dissolved airflotation for example saturation pressure and recycle ratio were studied.The industrial wastewater treated by DAF is carried out with two typesof chemical coagulants: Alum and Polyacrylamid. The treatment methodof wastewater by DAF with and without chemical coagulants and theireffect on the removal efficiency of oil, results were obtained at differentparameters such as saturation pressure (2,5-5.5atm) and recycle ratio(20-50). It has been found the oil removal efficiency …

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Removal Of Nitrate From Contaminated Groundwater Using Solar Membrane Distillation, Alaa Al-Fatlawi, Mohsen Karrabi, Ghassan Abukhanafer, Ahmed Al Samlan Al Samlan Aug 2026

Removal Of Nitrate From Contaminated Groundwater Using Solar Membrane Distillation, Alaa Al-Fatlawi, Mohsen Karrabi, Ghassan Abukhanafer, Ahmed Al Samlan Al Samlan

Engineering and Technology Journal

Nitrate contamination is worldwide water pollution posing a majorhealth hazard to human and animal life. Challenges are being faced to get freshwater for the areas having a low amount of usable water. This study aims toasses and evaluates the feasibility of removing nitrate from groundwater byusing cheap approaches. A pilot-scale solar distillation membrane filter, wasdesigned and constructed for this study, the set up was designed into twopartitions: i) water heater and ii) membrane distillation. The effect of severaloperating parameters such as feed and distillate temperature, nitrateconcentration, and pH, on water flux and nitrate removal efficiency, wasinvestigated. The results showed that …

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Isolation And Identification Of Ureolytic Bacteria Isolated From Livestock Soil To Improve The Strength Of Cement Mortar, Hussein Khadhim, Saad Ammar, Shahlaa Ebrahim Aug 2026

Isolation And Identification Of Ureolytic Bacteria Isolated From Livestock Soil To Improve The Strength Of Cement Mortar, Hussein Khadhim, Saad Ammar, Shahlaa Ebrahim

Engineering and Technology Journal

The aim of the present study is to isolate and recognize calciumcarbonate-producing bacteria and to check these bacterial strains for use incement mortar to improve its properties such as strength and water absorption.Bacteria were isolated from livestock soils were examined for urease producingactivity, the possibility to precipitate calcite and its activity to improve thecompressive strength. Based on the results, four isolates were selected andidentified. They were characterized as B. atrophaeus, B. subtilis, B. aryabhattaiand B. amyloliquefaciens. Experimental work was performed to evaluate theeffect of bacterial concentration in term of optical density (OD) on thecompressive strength. Bacterial cement mortar samples revealed …

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Hydrogeologic Sustainability And Mitigation Of Shallow Groundwater Against High Saline And Chemical Pollutants, Najah Al Maimuri, Arkan Ali, Abdulhadi Al-Sa’Adi, Mohammed Abed Abed Aug 2026

Hydrogeologic Sustainability And Mitigation Of Shallow Groundwater Against High Saline And Chemical Pollutants, Najah Al Maimuri, Arkan Ali, Abdulhadi Al-Sa’Adi, Mohammed Abed Abed

Engineering and Technology Journal

A hydrogeologic study has been adopted to conceptualize the concepts of groundwater levels lowering in swamped area of Tyass, middle of Iraq. 2D dimensional groundwater model and, mitigation model has been used to mitigate the aquifer against high salinity and chemical pollutants by the mitigation theory of heterogeneous subsurface media, which depends upon physical and mathematical derivation, evaluation of chemical pollutants and total dissolved salts (TDS) of subsurface water before and after mitigation process. The water table level was lowered up to 2.43m at the center of a pumping well of abstraction discharge (400m3/day) obtained after 2755days in steady state. …

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Recycling Of Sewage Sludge Ash In Polymer Structures, Mohamad Alsaadi, Aseel Al-Zubaidi, Mukhallad Haider, Hasanain Hashim Hashim Aug 2026

Recycling Of Sewage Sludge Ash In Polymer Structures, Mohamad Alsaadi, Aseel Al-Zubaidi, Mukhallad Haider, Hasanain Hashim Hashim

Engineering and Technology Journal

In this study sewage sludge ash (SSA) particles were used as filler in the polyester resin to fabricate particulate composites with various filler contents of 0, 1, 2, 3, 4, 5, 6 and 7 wt%. The tensile, flexural, impact, hardness, chemical composition and scanning electron microscope tests wear done on the samples in accordance with ASTM standards. The results were improved at the particle content of 5 wt% for the tensile and flexural strength and then showed reducing trend with extra particle addition. Tensile and flexural modulus values of the particulate polyester composites significantly enhanced compared with the unfilled polyester …

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Effect Of Hashimoto Disease In Diabetic Patients In National Center For Diabetes, Aufaira Nsaif, Wafaa Alfatlawi, Abdulnasser Algobori Aug 2026

Effect Of Hashimoto Disease In Diabetic Patients In National Center For Diabetes, Aufaira Nsaif, Wafaa Alfatlawi, Abdulnasser Algobori

Engineering and Technology Journal

The most two common autoimmune disease in endocrinology was Diabetes mellitus (DM) and thyroid dysfunction (TD). This study aimed to investigate the prevalence of TD in DM patients of type 1. The current study is carried out in the National Center for Diabetes of Endocrine and Genetic (NCDEG), AL- Mustansiriyah University, Baghdad. This study comprised of (36) patients with hypothyroidism diagnosed clinically under supervision of specialist physician in endocrinology. Their ages ranged between (30-40) years, among them there were 17 males (48%) and 19 females (52%). In addition there were (36) healthy control their age ranged between (28-42) years, among …

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Weathering Effect On Surface Characteristics Of Superhydrophobic/ Hydrophobic Nanocomposites Coating, Hassan Jaafar, Balqees Aldabbagh Aug 2026

Weathering Effect On Surface Characteristics Of Superhydrophobic/ Hydrophobic Nanocomposites Coating, Hassan Jaafar, Balqees Aldabbagh

Engineering and Technology Journal

Superhydrophobic and hydrophobic nanocomposites coating synthesized by electrospinning, polymer solution of (PS/DMF, PMMA/THF and Si/Th) were prepared in different wt% of composition for each solutions and also prepared with addition of TiO2 nanoparticles. Coated specimens were exposed to accelerated weathering test for 6 months. The aim of this research is to study weathering changes and physical properties of these superhydrophobic and hydrophobic nanocomposites coating to demonstrate these coatings in which can keeps their hydrophobicity properties for long period of time. Viscosity, surface tension, contact angle, roughness surface and hardness tests were calculated for all specimens before and after submitted to …

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