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2026

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Investigation The Morphological Characteristics Of The Particulate Matter Emissions From The Oxygenated Fuels Combustion In Diesel Engines, Mohammed Fayad, Bashar Al-Ogaidi Aug 2026

Investigation The Morphological Characteristics Of The Particulate Matter Emissions From The Oxygenated Fuels Combustion In Diesel Engines, Mohammed Fayad, Bashar Al-Ogaidi

Engineering and Technology Journal

Understanding the size and morphological properties of particulate matter (PM) is essential to improve analysis of the process of PM formation in diesel engines. These will help to reduce undesirable environmental impact and health effects. A scanning mobility particle sizer (SMPS) and thermal gravimetric analysis (TGA) were used to study the changes in size characteristics of PM/soot and soot reactivity. Furthermore, improve the oxidation of soot particles in diesel engines is necessary under the range of different fuel combustions. Oxygenated fuels (e.g., ethanol blend, E10 and butanol blend, B16) were used in this experimental study to show how insignificant changes …

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A Compact Single-Feed Patch Antenna With Frequency And Polarization Diversity, Fayyadh Ahmed Aug 2026

A Compact Single-Feed Patch Antenna With Frequency And Polarization Diversity, Fayyadh Ahmed

Engineering and Technology Journal

A new compact single feed square ring patch antenna using meandered 4λ transformer is designed, for frequency and polarization diversity. The proposed antenna is constructed from a square ring patch antenna, and two orthogonal meandered cascaded 4λ transformer (OMCT), incorporated with six switches for frequency and polarization reconfiguration purposes. The OMCT with switches is necessary to get good impedance bandwidth (BW) and axial ratio bandwidth (ARBW) for circular polarization state. In addition, it utilized to excite the antenna at two orthogonal locations, with equal magnitude and quadratic in phase, for achieving circular polarization mode at resonant frequencies 2.44GHz, 4.7GHz, and …

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Recycling Of Waste Paraffin Wax By The Addition Of Sio2 Nano-Powders To Improve Thermal Conductivity, Aseel Al-Zubaidi Aug 2026

Recycling Of Waste Paraffin Wax By The Addition Of Sio2 Nano-Powders To Improve Thermal Conductivity, Aseel Al-Zubaidi

Engineering and Technology Journal

Paraffin wax is an important material used in thermal energy storage (TES) systems. The thermal conductivity of the material is an important parameter that decides the degree of exploitation of the paraffin wax in TES systems. The thermal conductivity is improved by the addition of silicon oxide nanoparticles (1%, 2%, 4%, and 6%) to the paraffin wax. The average size of the SiO2 particles is equal to 38 nm. The addition of SiO2 nano-particles at very small ratios was found to enhance the thermal conductivity of the paraffin wax considerably. SiO2 nanoparticles, add to paraffin wax, have a significant effect …

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Point Cloud Pre-Processing And Surface Reconstruction Based On Chord Algorithm Technique, Ali Al-Badairy, Ahmed Al-Duroobi, Maan Tawfiq Aug 2026

Point Cloud Pre-Processing And Surface Reconstruction Based On Chord Algorithm Technique, Ali Al-Badairy, Ahmed Al-Duroobi, Maan Tawfiq

Engineering and Technology Journal

3D laser scanner is one of the modern technologies, which used to obtain the geometric information about the 3D scanned object surface. But, there are some problems that are associated with this technique such as the huge number of obtained points which require high memory to save and the required data processing processes. This paper proposed a data simplification algorithm for point cloud of a scanned object using 3D laser scanner (Matterand Form) in a manner to extract the necessary geometric features, which arerepresented by points for a 3D object. This algorithm based on theinstantaneous calculation of chord height of …

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Smoothing Smartphone Gps Raw Measurements, Tariq Ataiwe, Abbas Khalaf, Israa Mohammed Aug 2026

Smoothing Smartphone Gps Raw Measurements, Tariq Ataiwe, Abbas Khalaf, Israa Mohammed

Engineering and Technology Journal

This  research aims  to  investigate  the  smoothing  of  the  pseudo-range raw  measurements  of  the  smartphone  using  a  Hatch  filter.  The  measurements  of  smartphones  suffer  from  high  noise  generated  from  low-cost  antennas  and  oscillators, which are designed to work in a certain way. These types of low-cost antennas  and  oscillators  are  entirely different  from  geodetic  instruments,  which  are  designed  for  high  accuracy  positioning.  The  GPS  measurement  data  were  collected   using   a   Huawei   P10   device,   41   minutes   and   24   seconds   GPS   observation  time  with  sampling  intervals  of  1  second  using  Geo++  Android  application.  The  GPS  measurements  are  processed  using  standalone  (epoch  by …

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Complex Surface Representation And Machining Time Estimation Upon Three Types Of End Mill Cutter, Rasha Marzoog, Ahmed A. Alduroobi Alduroobi, Sawsan Al-Zubaidy Aug 2026

Complex Surface Representation And Machining Time Estimation Upon Three Types Of End Mill Cutter, Rasha Marzoog, Ahmed A. Alduroobi Alduroobi, Sawsan Al-Zubaidy

Engineering and Technology Journal

The accuracy of data transition between CAD and CAM has been playing a great role in the product life cycle, and eventually, the product quality. As products complexity increased, the need to robust technique to data transition increased. On the other hand, Machining simulation facilitates deciding the process parameters. The aim of the present research is divided into two aims: first: building a free form surface and transforming its data accurately from CAD to CAM without any distortion. Second: study the milling process using different end cutters geometry and make a comparison between those in terms of machining time at …

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Effect Of Potassium Chloride And Potassium Sulphate Electrolyte Solutionon Surface Roughnessand Material Removal Rate In Electro Chemical Machining (Ecm), Heba Qasim, Shukry Aghdeab Aug 2026

Effect Of Potassium Chloride And Potassium Sulphate Electrolyte Solutionon Surface Roughnessand Material Removal Rate In Electro Chemical Machining (Ecm), Heba Qasim, Shukry Aghdeab

Engineering and Technology Journal

Electrochemical machining (ECM) is nontraditional machiningwhich is used to remove metal by anodic dissolution. In this study themetal workpiece (WP) was stainless steel (AISI 316) and potassiumchloride (KCl) and potassium sulphate (K2SO4) solutions were used aselectrolyte, and the tool was used from copper. In this work theexperimental parameters that used were concentration of solution,current and voltage as input. While surface roughness (Ra) and materialremoval rate (MRR) were the output. The experiments on electrochemicalmachining with using concentration (10, 20 and 30) g/l, current (2, 5 and10) A and voltage (6, 12 and 20)V. Gap size between tool and WP (0.5)mm. The …

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Vacuum Effect On The Performance Of Solar Air Collector With Micro-Channel Absorber Plate, Jalal Jalil, Nashwa A.Abdulkadhim Abdulkadhim Aug 2026

Vacuum Effect On The Performance Of Solar Air Collector With Micro-Channel Absorber Plate, Jalal Jalil, Nashwa A.Abdulkadhim Abdulkadhim

Engineering and Technology Journal

In this study, the effect of vacuum with micro-channel techniqueon solar air collector performance is investigated experimentally. Vacuumspace reduces the loss of heat for the absorption plate by conduction andthus improves the solar collector performance. It has been demonstratedthat the solar collector is evacuated to 0.1 bar of pressure for absorber-tocover spacing of 4cm. An absorber plate was manufactured from Aluminummetal with 30 rectangular micro-channels (length 0.9, width 0.004, height0.0008 m) is constructed with measurements facilities of velocity,temperature and differential pressure. The tests are carried out indoor usingsolar simulator. Results showed that the performance of solar collectorincreases with vacuum about …

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Effect Of Radial Clearance On Stress And Strain Distribution In The Astral Deep Drawing, Waleed Jawad, Ali Ikal Aug 2026

Effect Of Radial Clearance On Stress And Strain Distribution In The Astral Deep Drawing, Waleed Jawad, Ali Ikal

Engineering and Technology Journal

In this paper, an astral die was designed and constructed to produce anastral cup in the deep drawing operation by experimental work and numericalsimulation. The influence of radial clearance on drawing load, cup high, thedistribution of stress, strain and thickness along the side wall, minor and majoraxis were also studied. The deep drawing process was carried out to produce anastral cup with an inner dimension of (41.5mm × 34.69mm), and (30mm) heightdrawn from a blank sheet with a thickness of (0.7) and diameter (80) made of lowcarbon steel. A commercial program (ANSYS18.0) was used to perform thenumerical simulation. Three types …

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A Hybrid Neural-Fuzzy Network Based Fault Detection And Isolationsystem For Dc Motor Of Robot Manipulator, Arkan Jassim, Abbas Issa, Qusay Jawad Aug 2026

A Hybrid Neural-Fuzzy Network Based Fault Detection And Isolationsystem For Dc Motor Of Robot Manipulator, Arkan Jassim, Abbas Issa, Qusay Jawad

Engineering and Technology Journal

In this paper, the detecting and isolating fault that occurs in (actuator and sensor) in robot manipulator, which is used as a mathematical model were proposed for fault detection, where the neural network was used to detect the fault. The neural network was trained on the data set obtained from the Input/output on the (DC motor).The output of the sensor or actuator was compared with the output of the model (neural network) after that the residual signal is used to detect the fault. The fuzzy logic circuit was used for fault isolation that is depending on the residual signal from …

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Characteristics Of Artificial, Gypsified And Natural Gypseous Soils Under Dry Condition, Wisam Yaqoob, Falah Rahil, Moammed Al-Neami Aug 2026

Characteristics Of Artificial, Gypsified And Natural Gypseous Soils Under Dry Condition, Wisam Yaqoob, Falah Rahil, Moammed Al-Neami

Engineering and Technology Journal

Gypseous soil characteristics were studied types many researchers, but the bearing capacity of sandy gypseous soil with different preparing of the soil models were tested in dry condition under static and cyclic loads in this study, three types of gypseous soils are prepared (artificial, gypsified and natural gypseous soils). The laboratory tests were needed to evaluate geotechnical soil properties. The main objective of this study is testing of the soil models in dry condition for measuring earth pressures with displacements of the soil models under monotonic and repeated loads within relatively large manufactured physical model. The results found that the …

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A Cooperation Of Fog Computing And Smart Gateways In A Secure And Efficient Architecture For Iot-Based Smart Homes, Amin Seno, Sahar Alshammari Aug 2026

A Cooperation Of Fog Computing And Smart Gateways In A Secure And Efficient Architecture For Iot-Based Smart Homes, Amin Seno, Sahar Alshammari

Engineering and Technology Journal

Nowadays Internet of Things (IoT) is growing to be a serious factor in numerous areas of our daily life style. Internet of Things brings different opportunities of intelligence to important aspects such as health, payments, energy management, industrial sectors, transportation and also many other specialties. It is important to notice that the interaction between these two part the embedded equipment and Cloud based web services is such a common or prevalent scenario of Internet of Things deployment. When it comes to the security point of view, jointly users (consumer) and smart devices need to reassure and establish a secure and …

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Gait Analysis Before And After Total Knee Replacement, Sadiq Hamandi, Safa’A Al-Hussainy, Summer Sabeeh Aug 2026

Gait Analysis Before And After Total Knee Replacement, Sadiq Hamandi, Safa’A Al-Hussainy, Summer Sabeeh

Engineering and Technology Journal

Total knee replacement is a surgical procedure for treatment of knee Osteoarthritis, Rheumatoid arthritis and posttraumatic arthritis. The main goals of TKR are relieve the pain, restore function, mobility and restore normal limb alignment for the patients. The aim of the study to investigate the gait dynamic improvements following TKR surgery by compare the dynamic parameter pre-operative and post-operative and then comparing the results with the normal gait parameters. The gait analysis was performed on five patients before and after they underwent unilateral TKR surgery. After three months from the total knee replacement there was a remarked increase in the …

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Study The Behavior Of High Performance Concrete Circular Short Columns Confined By Cfrp, Asmaa Ahmed, Shatha Hasan, Ali Khalaf Aug 2026

Study The Behavior Of High Performance Concrete Circular Short Columns Confined By Cfrp, Asmaa Ahmed, Shatha Hasan, Ali Khalaf

Engineering and Technology Journal

This paper presents the results of experimental study on reinforced concrete columns rehabilitation with carbon fiber reinforced polymer (CFRP) under concentrated load. Twelve short circular reinforced concrete columns (150 mm diameter and 600 mm height) were tested. Three specimens were unstrengthening and tested until failure as control specimens. Nine specimens were rehabilitation by carbon fiber reinforced polymer after loading about 75% from ultimate axial load capacity of control specimens. The test parameters were the type of concrete are normal strength concrete (NSC), high performance concrete (HPC) and high performance concrete containing engine oil (HPCEO) in additional to effective the ratio …

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Zoning Areas Susceptible To Land Subsidence In Tigris And Euphrates Basins, Ali Boloorani, Masoud Soleimani, Ramin Papi, Seyed Alavipanah Alavipanah, Ayad Fadhil Al-Quraishi Aug 2026

Zoning Areas Susceptible To Land Subsidence In Tigris And Euphrates Basins, Ali Boloorani, Masoud Soleimani, Ramin Papi, Seyed Alavipanah Alavipanah, Ayad Fadhil Al-Quraishi

Engineering and Technology Journal

Land Subsidence is considered as one of the riskiest hazards in nature and geology. It may be caused by human activities including but not limited to long-term depletion of water, petroleum, and gas from underground reservoirs. Monitoring and zoning of regions susceptible to land-subsidence within Tigris and Euphrates rivers basin can play a major role in predicting and preventing damages from subsidence and can aid in better planning for utilizing its water resources. Accordingly, this study proposed to employ 9 effective parameters on subsidence including: precipitation, total water underground changes, elevation, slope, population, land use, distance from petroleum and gas …

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Assessing Water Quality For Al-Diwaniyah River, Iraq Using Gis Technique, Khalid Hussein, Sataa Al-Bayati, Salih A.A. Al-Bakri Al-Bakri Aug 2026

Assessing Water Quality For Al-Diwaniyah River, Iraq Using Gis Technique, Khalid Hussein, Sataa Al-Bayati, Salih A.A. Al-Bakri Al-Bakri

Engineering and Technology Journal

In this  study,  Al-Diwaniyah  River  within  Al-Diwaniyah  Governorate was monitored for a set of chemical, physical,and bacteriological parameters for the assessment of water quality during January to July 2018. Water quality maps for  this  river  were  plotted  torepresent  the  change  in  each  parameter  during  the study  period  using  GIS  program.  Three  sampling  stations  along  the  river  and eighteen parameters were selected: air temperature, water temperature, turbidity, pH  value,  electrical  conductivity  (EC),  biochemical  oxygen  demand  (BOD), dissolved oxygen (DO), alkalinity, chloride, Sulfate, total suspended solids (TSS), total  dissolved  solids  (TDS),  calcium,  magnesium,  total  hardness,  lead,  total coliform,and  Escherichia  coli  bacteria.  The …

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Torsional Behavior Of Solid And Hollow Core Self Compacting Concrete Beams Reinforced With Steel Fibers, Tareq Al-Attar, Sarmad Abdul Qader, Hind Hussain Aug 2026

Torsional Behavior Of Solid And Hollow Core Self Compacting Concrete Beams Reinforced With Steel Fibers, Tareq Al-Attar, Sarmad Abdul Qader, Hind Hussain

Engineering and Technology Journal

Torsion of structural members and the behavior of steel fiber self- compacting reinforced concrete became the area of interest for many researchers nowadays. The experimental program of the present work consists of casting nine reinforced self-compacting concrete beams in three groups. Each group consists of three beams with the dimensions of 200×300×1500 mm. The first beam has a solid cross-section, the second beam has a hollow core with the dimensions of 60×120×1500mm and the last beam has a hollow core with the dimensions of 80×180×1500mm. The steel fiber contents were 0, 0.5 and 1.0 % by volume for first, second …

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Enhanced Solution Of Inverse Kinematics For Redundant Robot Manipulator Using Pso, Hind Khaleel Aug 2026

Enhanced Solution Of Inverse Kinematics For Redundant Robot Manipulator Using Pso, Hind Khaleel

Engineering and Technology Journal

Kinematics of the robot is divided into two parts: the forwardkinematics, which evaluates the end-effector’s position from joint angles, and theinverse kinematics, which demonstrates the joint angles from the end-effector'sposition. The solution of the inverse kinematics problem is too difficult andcomplicated for the redundant robot arm manipulator. A Particle SwarmOptimization (PSO) algorithm is an effective method to solve global optimizationproblems. This paper presents the solution of inverse kinematics problem of athree-link redundant manipulator robot arm using PSO without using the inversekinematics equations. The circle, square and triangle generated trajectories usingPSO are enhanced as compared with the trajectories of other works. …

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Investigation Of External And Internal Inversion For Aluminum Tube With Various Die Parameters Effect, Basim Fadhil, Ava Kamal Aug 2026

Investigation Of External And Internal Inversion For Aluminum Tube With Various Die Parameters Effect, Basim Fadhil, Ava Kamal

Engineering and Technology Journal

Finite element modeling has been conducted to investigate theeffect of die radius fillet, tube wall thickness, and friction coefficient on bothexternal and internal inversion forthealuminum tube. A 3D model was usedto build the contact pair for the aluminum tube and the steeldie. Due to theaxial symmetry, a 45osector for the contact pair has been chosen. It has beenfound that there is an important role for those parameters to govern theinversion process and the mode of deformation beside the value of theapplied force. No local buckling was seen in the external inversion incontrast with internal inversion. A good correlation for current …

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Using Microbial Desalination Cell To Treat Iraqi Wastewater, Talib Abbas, Majid Dixon, Mustafa Al-Furaiji Aug 2026

Using Microbial Desalination Cell To Treat Iraqi Wastewater, Talib Abbas, Majid Dixon, Mustafa Al-Furaiji

Engineering and Technology Journal

A Three-chambers MDC was made using three identical cubicalplexi-glass sections. Each chamber has an effective volume of 35 cm3. An anionexchange membrane (AEM) was used to separate the anode from thedesalination chambers while a cation exchange membrane (CEM) was used toseparate the cathode from the desalination chambers. Two graphite sheets wereused as anode and cathode electrodes. Biotic experiments have included aircathode MDC fed with synthetic municipal wastewater, Bio-cathode MDC inwhich the cathode chamber was inoculated with microalgae as an oxygensource and air-cathode MDC was fed with floated oil layer in the anodechamber as an organic source. Maximum power density obtained …

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Monitoring Of Agricultural Drought In The Middle Euphrates Area, Iraqusing Landsat Dataset, Imzahim Alwan, Abdul Razzak Ziboon, Alaa Khalaf Aug 2026

Monitoring Of Agricultural Drought In The Middle Euphrates Area, Iraqusing Landsat Dataset, Imzahim Alwan, Abdul Razzak Ziboon, Alaa Khalaf

Engineering and Technology Journal

This study was conducted to monitor the agricultural drought inthe Middle Euphrates area, Iraq during the period from 1988 to 2018.Multispectral Landsat TM, ETM+, and OLI images were used. The imagesdated 1988, 1993, 2000, 2005, 2010, and 2018, which obtained duringgrowth months of plants (January, February, March, November, andDecember).A computerized drought monitoring was adopted using ERDASImagine 2015, ENVI 3.2, and ArcGIS 10.5 environments to process andanalysis the data. The spectral indices, which used in this study were: TheNormalized Difference Vegetation Index (NDVI) and Vegetation ConditionIndex (VCI). The change analysis presented in this study is based on thestatistics extracted from the …

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Physical And Chemical Characteristics Comparison Of The Drinking Water And Water Produced From The Conventional And Modification Solar Water Distillery, Hussein Mohammed Ali, Sabah Ahmed Aug 2026

Physical And Chemical Characteristics Comparison Of The Drinking Water And Water Produced From The Conventional And Modification Solar Water Distillery, Hussein Mohammed Ali, Sabah Ahmed

Engineering and Technology Journal

A comparison of the physical and chemical characteristics of water samples produced from the conventional and modification solar water distilleries, and water samples of networks from different regions in Kirkuk were carried out. Two samples of each water type were tested. The study has focused on measuring the total dissolved solids, pH, electrical conductivity, sodium, calcium, potassium, magnesium, sulfate, nitric and chloride. The results show that all tests of distillate water produced from the solar water distillery are within Iraqi and world standards lower than the other samples, but only pH values ranged from 7 to 8.3, which are within …

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Removal Performance Assessment Of Dyes In Solution Using Mesoporous Mcm-41 Prepared From Iraqi Rice Husk, Najat Saleh, Anaam Sabri, Ban Abdul Hussein Aug 2026

Removal Performance Assessment Of Dyes In Solution Using Mesoporous Mcm-41 Prepared From Iraqi Rice Husk, Najat Saleh, Anaam Sabri, Ban Abdul Hussein

Engineering and Technology Journal

In this study, mesoporous silica MCM-41 material was synthesized using Iraqi rice husk for the first time, as silica precursor and Cetyltrimethylammonium bromide (CTAB) as a template. MCM-41 was characterized by means of X-ray diffraction (XRD), scanning electron microscopy (SEM), BET surface area, Fourier transform infrared (FTIR) spectroscopy and Thermal Gravimetric Analysis (TGA). Then the ability of MCM-41 as adsorbents were tested to treat dyes as one of the organic pollutants from synthetic wastewater . The adsorption behavior of Gentian violet(GV), Methylene blue(MB) and Congo red(CR) dyes from synthetic wastewater onto mesoporous MCM-41 was tested. Batch adsorption was employed to …

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Modification Of Prepared (Al 2024/Alumina/Mn) Composite By Laser Surface Sic Clad Layer, Marwa Juber, Amer Majeed, Mohammed Hamza, Thair Tawfiq Tawfiq Aug 2026

Modification Of Prepared (Al 2024/Alumina/Mn) Composite By Laser Surface Sic Clad Layer, Marwa Juber, Amer Majeed, Mohammed Hamza, Thair Tawfiq Tawfiq

Engineering and Technology Journal

The present work shows the cladding process of silicon carbide on the substrate of prepared composite (Al 2024/Alumina/Mn) by using a laser beam (pulsed Nd-YAG). To obtain the desired results, the best laser parameters were chosen. The parameters of the laser beam that have chief affected during the experiments in this work are peak power (1.9)kW, work frequency (8)Hz and pulse duration (5.3)ms, the preplaced powder technique favorite during a cladding process and the results in this work were proved by SEM, micro-hardness, EDS, and chemical corrosion tests. The results of the experimental work have shown that a micro-hardness increased …

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Improving The Properties Of Main Drainage Water By Using Of Magnetic Field Technique, Olla Kareem, Abdul Hameed Al-Obaidy, Riyad Al-Anbari Aug 2026

Improving The Properties Of Main Drainage Water By Using Of Magnetic Field Technique, Olla Kareem, Abdul Hameed Al-Obaidy, Riyad Al-Anbari

Engineering and Technology Journal

In this research, main drainage channel treated by using a magnetic field with a density of (6000 Guesses). The general drain water samples flowed through the magnetic field with three levels of treatment (5 minutes, 15 minutes and 30 minutes) depending on the contact time. After treatment, it was found that the magnetic field works to improve more than ten physical and chemical properties of water. Essentially, Magnetic treatment has had a significant effect on the high salt content found in general drain water samples as it has been reduced and converted into simpler compounds. In addition, the magnetic field …

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Study On Removal Of Vanadium From Iraqi Crude Oil By Prepared Nanozeolites, Amin Tamer, Faras Mohammed, Luma Mahmood, Marwan Hussein Hussein, Mahdie Hanyn Aug 2026

Study On Removal Of Vanadium From Iraqi Crude Oil By Prepared Nanozeolites, Amin Tamer, Faras Mohammed, Luma Mahmood, Marwan Hussein Hussein, Mahdie Hanyn

Engineering and Technology Journal

The present study has been conducted to investigate the removal of vanadium from Iraqi crude oil by prepared zeolite nanoparticles. Ball milling was used as a top-down approach to synthesize zeolite nanoparticles. Different variables such as adsorbent loading, Vanadium loading, and operating time were investigated for their influence on Vanadium removal. Experimental results of adsorption test show that both Langmuir and Freundlich isotherms predict well with the experimental data. Kinetic analysis of the studied system gives the following linear equations, For Langmuir isotherm: 1����=1.6505 1����−0.0139 with R2 = 0.9738, For Freundlich isotherm: ��������=1.0848 1���� – 0.4412 with R2 = 0.9711XRD …

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Optimization Using Taguchi Method For Physical And Mechanical Properties Of Bio Mimicking Polymeric Matrix Composite For Orthodontic Application, Jenan Kashan Aug 2026

Optimization Using Taguchi Method For Physical And Mechanical Properties Of Bio Mimicking Polymeric Matrix Composite For Orthodontic Application, Jenan Kashan

Engineering and Technology Journal

This work take in consideration the application of Taguchi optimization methodology in optimizing the parameters for processing (composition, compounding pressure) and their effects on the output physical (Density and true porosity) properties and mechanical(fracture strength and microhardness) properties for the Nano HA,Al2O3 fillers reinforced HDPE hybrid composite material for orthodontic application. An orthogonal array of the Taguchi approach was used to analyses the effect of the processing parameters on the physical and mechanical properties. On the other hand, the surface roughness and particle size distribution were also calculated to study their effect on the output properties. The result shows that …

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Lung Cancer Detection From X-Ray Images By Combined Backpropagation Neural Network And Pca, Israa Abed Aug 2026

Lung Cancer Detection From X-Ray Images By Combined Backpropagation Neural Network And Pca, Israa Abed

Engineering and Technology Journal

The lungs are portion of a complex unit, enlarging and relaxing numerus times every day to supply oxygen and exude CO2. Lung disease might occur from troubles in any part of it. Carcinoma often called Cancer is the generally rising and it is the most harmful disease happened in humankind. Carcinoma occurs because of uncontrolled growth of malignant cells inside the tissues of the lungs. Earlier diagnosis of cancer can help save large numbers of lives, while any delay or fail in detection may cause additional serious problems leading to sudden fatal death. The objective of this study is to …

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A Group Authentication Protocol On Multilayer Structure For Privacy-Preserving Iot Environment, Maytham Azhar, Amin Seno Aug 2026

A Group Authentication Protocol On Multilayer Structure For Privacy-Preserving Iot Environment, Maytham Azhar, Amin Seno

Engineering and Technology Journal

In the Internet of Things (IoT) systems, large amounts of data are accumulated from anywhere at any time, which may attack individuals' privacy, especially when systems are utilized in medical and everyday environments. With the promise of IoT's proactive systems, the integration of smart things into standard Internet creates several security challenges, because most Internet technologies, communication protocols and sensors are not designed to support IoT. Recent research studies have shown that launching security / privacy attacks against IoT active systems, in particular, Wearable Medical Sensor (WMS) systems, may lead to catastrophic situations and life-threatening conditions. Therefore, security threats and …

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Removal Oil From Produced Water By Using Adsorption Method With Adsorbent A Papyrus Reeds, Firas Al-Zuhairi, Rana Azeez, Suhair Mahdi, Wafaa Kadhim Kadhim, Muna Al-Naamee Aug 2026

Removal Oil From Produced Water By Using Adsorption Method With Adsorbent A Papyrus Reeds, Firas Al-Zuhairi, Rana Azeez, Suhair Mahdi, Wafaa Kadhim Kadhim, Muna Al-Naamee

Engineering and Technology Journal

A papyrus reed, as a type of unusable farming waste, was used as akind of low-cost biosorbent for the elimination a crude oil from produced waterthat was produced in an Al-Ahdab field, Iraq, in a batch stirred operationmode. Fourier transform infrared spectroscopy (FTIR) and scanning electronmicroscope (SEM) were used to characterize the biosorbent before and afteradsorption. Batch tests were employed as a function of the contact time,adsorbent dose, and the pH of the solution. The experimental results show atincreases the amount adsorbent dosage, pH and contact times, the removalefficiencies were increases and optimum condition was obtained at pH valueequal to …

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