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A Survey On Deceptive Detection Systems And Technologies, Harith Thannoon, Wissam Ali, Ivan Hashim Aug 2026

A Survey On Deceptive Detection Systems And Technologies, Harith Thannoon, Wissam Ali, Ivan Hashim

Engineering and Technology Journal

There are many types of indicators that have been proven to be useful clues for deceptive detection techniques, and most of this indicators that have been presented and proven by psychology to be signs of lying. This paper presents a survey of most popular deceptive detection systems. Many techniques for lie detection have been presented by researchers; most of them are reviewed in this paper. This study focus on the algorithms, which are presented in some pervious work, and how the database has been collected for each technique, furthermore explain the adopted cues for each deception detection technique. The accuracy …

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Design Of Double Notch Band Half-Elliptical Shape Reconfigurable Antenna For Uwb Applications, Haydar Al-Tamimi, Salah O. Aug 2026

Design Of Double Notch Band Half-Elliptical Shape Reconfigurable Antenna For Uwb Applications, Haydar Al-Tamimi, Salah O.

Engineering and Technology Journal

A compact ultra-wideband (UWB) reconfigurable antenna with dual band-notched properties is presented in this paper. The dual notch band half – elliptical reconfigurable antenna is fed by (50 Ω) microstrip feed lines and it is printed above an FR-4 substrates (32 × 32.6) mm2 dimensions. This dual band notched characteristic is accomplished by embedding two crossing U-shaped slot in the half-elliptical radiating patch of the proposed reconfigurable antenna. The modeling procedure and performance evaluation of the presented antenna was achieved by using the electromagnetic simulator software, (CST) Computer Simulation Technology. The measured bandwidth of the presented antenna for (VSWR < 2) spans 2.6 GHz to 12 GHz, which covers the entire UWB band of 3.1 GHz to 10.6 GHz, with a controlling dual notched band (VSWR > 2) …

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Performance Of Geopolymer Concrete Exposed To Freezing And Thawing Cycles, Mohammed Shamsa, Basil Al-Shathr, Tareq Al-Attar Aug 2026

Performance Of Geopolymer Concrete Exposed To Freezing And Thawing Cycles, Mohammed Shamsa, Basil Al-Shathr, Tareq Al-Attar

Engineering and Technology Journal

In this study, the effect of rapid freezing and thawing (ASTM C666 – procedure A) on three different types of Geopolymer concrete studied using three types of pozzolanic material: fly ash, metakaolin and ground granulated blast furnace slag (GGBFS). The Geopolymer concrete was prepared using 400 kg of the pozzolanic material with alkaline liquid prepared at 8 molar concentration with normal fine and coarse aggregates. The ratio of alkaline to fly ash and GGBFS was 1.5: 1 and for metakaolin was 2: 1 for workability and compressive strength requirements. Specimens (100 × 100 × 400) mm were exposed to 100, …

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Application Of Wheat Husk In Color Removal Of Textile Wastewater, Mohamed Mohammed, Anaam Sabri, Eman Taha Aug 2026

Application Of Wheat Husk In Color Removal Of Textile Wastewater, Mohamed Mohammed, Anaam Sabri, Eman Taha

Engineering and Technology Journal

Adsorption is the most efficient technique used to remove organic pollutants from wastewater. Dyes represent one of the pollutants that may remove by adsorption. The textile industry used dyes for colorization of fibers and always generates a considerable amount of colored wastewater. In present work, the removal of Malachite green (MG) dye pollutant from synthetic wastewater onto mesoporous Wheat husk (WH) was studied in batch adsorption systems. The characterization for the prepared wheat husk was studied by, scanning electron microscopy (SEM), Fourier transforms infrared (FTIR) spectroscopy. The batch experiments were carried out to measure the removal efficiency of MG as …

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Diclofenac Removal From Wastewater By Iraqi Pillared Clay, Faris Al Ani, Ghayda Al-Kindi, Noor Al-Bidri Aug 2026

Diclofenac Removal From Wastewater By Iraqi Pillared Clay, Faris Al Ani, Ghayda Al-Kindi, Noor Al-Bidri

Engineering and Technology Journal

This study deals with the removal of Pharmaceutical pollutants such as Diclofenac, which caused hazardous pollutant for human health, from aqueous solution. The aim of this study is an investigation to remove the diclofenac from synthesis wastewater by using of pillared clay that made from Iraqi clay (ALAnbar clay) as adsorbent by using both batch and packed bed reactor to study kinetic model. The experimental work in batch reactor using different parameter (diclofenac, pillared clay and pH) in four beakers for 3 hours in jar test instrument , from the result show pH is the important factor effect on the …

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Impact Of A Bright Nickel Interlayer On The Performance Of Solar Absorber Nano Coatings Deposited By Electroplating On Copper Substrate, Mohammed Kadihm, Khalid Sukkar, Ahmed Abbas Aug 2026

Impact Of A Bright Nickel Interlayer On The Performance Of Solar Absorber Nano Coatings Deposited By Electroplating On Copper Substrate, Mohammed Kadihm, Khalid Sukkar, Ahmed Abbas

Engineering and Technology Journal

In this, work, a layer of bright nickel was deposited on the copper substrate using electroplating technique watts bath, before copper nanoparticles (CuNP) Evaporation via physically vapor deposition. The improvement of the solar absorber using CuNP and CuNP, combined with bright nickel, was found to be well than CuNP singly. Bright nickel improved the thermal stability of the absorber. Also the other optical properties absorption, emissivity slight decrease from (93% to 87%0) in another hand thermal conductivity was evaluated using hot disk analyzer with a good improvement obtain by CuNP( 89%) deposited on copper substrate while it decreases with percentage18.8% …

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Synthesis And Study Of Silver Nanoparticles Using Iraqi And Indian Lawsonia Inermis Plant And Their Catalytic Performance In Degradation Of Organic Pollutant, Bassam Alabdul Aziz, Ahmed Sadda, Thuraya Ibrahim, Zainab Al-Abdullah Al-Abdullah Aug 2026

Synthesis And Study Of Silver Nanoparticles Using Iraqi And Indian Lawsonia Inermis Plant And Their Catalytic Performance In Degradation Of Organic Pollutant, Bassam Alabdul Aziz, Ahmed Sadda, Thuraya Ibrahim, Zainab Al-Abdullah Al-Abdullah

Engineering and Technology Journal

In this work, we depict the cheap, friendly environment, an unreported and easy methodology for the synthesis of silver nanoparticles using the extract of leaf concentrate of Lawsonia inermis as a green, reducing agent. Silver nanoparticles display exclusive physical characteristics, which have appealed serious research attention due to their essential uses. In present work, silver nanoparticles were synthesized for environment uses by means of a completely green biosynthetic process using Lawsonia inermis flowers extract (henna). The structure, as well as properties of silver nanoparticles, was investigated with UV-visible spectroscopic techniques, scanning electron microscopy (SEM), energy dispersive X-ray spectrometers (EDS) and …

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Cement Based Solidification/Stabilization Leaching Performances Of Selected Heavy Metal Ions Under Different Ph Extractions, Basim A. Hussain Hussain, Shahlaa Ebrahim, Abbas Sulaymon Aug 2026

Cement Based Solidification/Stabilization Leaching Performances Of Selected Heavy Metal Ions Under Different Ph Extractions, Basim A. Hussain Hussain, Shahlaa Ebrahim, Abbas Sulaymon

Engineering and Technology Journal

Liquid to solid partitioning as a function of pH leaching Procedure LSP EPA method 1313 was carried out to test the effectiveness , performance and efficiency of the cement-based solidification / stabilization (S/S) of heavy metals contaminated sand samples using Ordinary Portland Cement OPC type A . Two cement based mix designs ( 7 and 25 % ) have been applied to (S/S) sand contaminated samples with different heavy metal ions ( Pb , Cu , Cr , and Cd ) having the following concentrations ( 500 , 1500 and 3000 mg / kg ). Fixed water to cement ratio …

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Environmental Impact Assessment Of Halfaya Oilfield Project, Amin Thamir, Souzan Lafta, Faras Mohammed, Mahdi Hanon Hanon Aug 2026

Environmental Impact Assessment Of Halfaya Oilfield Project, Amin Thamir, Souzan Lafta, Faras Mohammed, Mahdi Hanon Hanon

Engineering and Technology Journal

Implement the necessary measures is necessary to limit the potential damages and risks resulting from oil and gas exploration activities to take the necessary precautions and arrangements to protect the land, air, waters and the groundwater basins from pollution and damage. The Environmental Impact Assessment (EIA) process is used to ensure that environmental and social sustainability considerations are included in decisions regarding the Projects considering the possible impacts associated with the proposed Centralized Waste Facility (CWF). The EIA was undertaken with consideration of the environmental standards and guidelines to determine the environmental impact assessment of Halfaya Oilfield; this facility is …

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Electrode Wear Evaluation In E.D.M Process, Ali Khleifa, Osama Sabbar Aug 2026

Electrode Wear Evaluation In E.D.M Process, Ali Khleifa, Osama Sabbar

Engineering and Technology Journal

Electric Discharge Machining (E.D.M) is a non-conventional machining process and has a larger extent of application in the manufacturing industry due to its accuracy. E.D.M simply uses an electrical spark between the workpiece and tool in the presence of medium dielectric to erode the workpiece in a controlled manner. This study investigates the enhance the various performance parameters measured in E.D.M process using Tagushi Technique. The main goals are to maximize the removal rate of material M.R.R and minimizing the wear rate of tool TWR.

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Phytochemical And Antioxidant Activity Of Asplenium Species (Spleenworts) Extracts From Northern Districts Of Iraq, Abass Ismail, Talib Al-Khasreji, Bahram Maulood Aug 2026

Phytochemical And Antioxidant Activity Of Asplenium Species (Spleenworts) Extracts From Northern Districts Of Iraq, Abass Ismail, Talib Al-Khasreji, Bahram Maulood

Engineering and Technology Journal

The main objective of the present investigation was to ascertain of different phytochemicals in two ferns: Asplenium scolopendrium L. from Malakan- Erbil district and A. trichomanes L. from Tweela-Sulaymaniyah district during Spring 2016. Antioxidant activity and total flavonoids contents were determined in methanol extracts. In qualitative analysis, the active compounds such as alkaloids, tanins, saponins and flavonoids were screened. In quantitative analysis, total flavonoids were quantified 234.7 µg /ml with IC50 of 113 mg/ml in A. scolopendrium but in A. trichomanes total flavonoids 1061µg/ml. with IC50 of 2.271 mg/ml comparison with Ascorbic acid IC50 of 0.0186 mg/ml as positive control.

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Geochemical Evaluation Of Heavy Metals (Cd, Cr, Fe, And Mn) In Sediment Of Shatt Al-Basrah, Iraq, Zahraa Al-Janabi, Shahed Zaki, Jinnan Alhassany, Abdul Hameed Al-Obaidy Al-Obaidy, Eman. Awad, Afrah Maktoof Aug 2026

Geochemical Evaluation Of Heavy Metals (Cd, Cr, Fe, And Mn) In Sediment Of Shatt Al-Basrah, Iraq, Zahraa Al-Janabi, Shahed Zaki, Jinnan Alhassany, Abdul Hameed Al-Obaidy Al-Obaidy, Eman. Awad, Afrah Maktoof

Engineering and Technology Journal

In this study, the sediment of Shatt Al-Basrah canal, was evaluated to illustrate the distribution of 4 heavy metals Cd, Cr, Fe and Mn in sediments collected from 5 sites. The assessment of heavy metals was conducted using three indices; the geoaccumulation index (I-geo), the enrichment factor (E.F.) and Pollution Index (PI). According to I-geo, the sediments collected from all sampling locations were unpolluted by Cd, Cr and Fe, where their values are less than 0 (<0), except Mn ranged between 0.98 to 1.37, the Igeo values for Mn show that sediments of Shatt Al-Basrah are unpolluted to moderately polluted for all sampling locations. Based on The enrichment factor, the sediment of Shatt Al-Basrah canal are classified as followed; significant enrichment for Cd, moderate enrichment to significant enrichment for Cr and deficiency to minimal enrichment for Mn. PI, which is based on individual metal Concentrations, shows that all sampling sites have no pollution effect for Cd, Cr and Mn, except Fe, which cause Slightly pollution affect in all site.

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Textile Dye Removal By Activated Date Seeds, Seroor Khaleef, Huda Hamad Aug 2026

Textile Dye Removal By Activated Date Seeds, Seroor Khaleef, Huda Hamad

Engineering and Technology Journal

The objective of the study was to prepare activated carbon from date seeds (ADS) and use it as a medium for textile dye adsorption. Batch adsorption of reactive green dye showed that dye adsorption depends on the contact time, the dye concentration, and the pH equilibrium. Different concentrations of the prepared activated carbon were used with different dye concentrations and evaluated for dye removal efficiency. The maximum dye adsorption in this study was achieved after 270 min at a pH range of 5-9. In this study, the functional groups in the prepared ADS were identified using Fourier transform infrared (FTIR) …

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Framework For Solid Waste Management In Steel Fabrication, Luma Al-Kindi, Wadood Alghabban Aug 2026

Framework For Solid Waste Management In Steel Fabrication, Luma Al-Kindi, Wadood Alghabban

Engineering and Technology Journal

Solid Waste Management (SWM) is a term used to determine greatest energy-efficient and least-polluting ways to deal with the different components and items of community’s Solid Waste stream. The solid waste could be either in solid or liquid form. Solid waste could be defined as, ”Any material that is not required by the owner, fabricator or processor.” Solid Waste could be classified as Domestic waste, Industrial waste, Waste from oil plant, Electronic-waste, Construction waste, Agricultural waste, Food treating waste, Bio-medical waste, and Nuclear waste. Due to social and environmental significances, waste reduces, reuse, and recycle have become necessities in minimizing …

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Selecting The Potential Water Harvesting Sites Using Fuzzy Gis-Based Spatial Multi-Criteria Evaluation In Salah Al-Din Governorate, Iraq, Imzahim Abdulkareem, Hussein Karim, Nadia Aziz Aug 2026

Selecting The Potential Water Harvesting Sites Using Fuzzy Gis-Based Spatial Multi-Criteria Evaluation In Salah Al-Din Governorate, Iraq, Imzahim Abdulkareem, Hussein Karim, Nadia Aziz

Engineering and Technology Journal

Remote sensing and GIS-based techniques were used to select the potential sites for water harvesting in Salah Al-Din Governorate, northern Baghdad/ Iraq. Spatial Multi-Criteria Evaluation (MCE) was used where seven criteria layers have been evaluated to identify water-harvesting sites, such as slope, stream order, precipitation, potential evaporation rate, soil type, distance to roads and the Normalized Difference Vegetation Index (NDVI). This method helps in locating water-harvesting sites in suitable places as well as improves the management of water resources in the study area. Fuzzy logic modeling was used to standardize the criteria layers, and the Fuzzy Gamma overlay was used …

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Experimental Study Of 2-Amino-5-(4- Nitrophenyl)-1, 3, 4-Thiadiazole For Ms In Hcl Solution, Talib Abed, Khalida Al-Azawi, Shaimaa Jaber, Ahmed Al-Amiery Al-Amiery, Shaimaa Al-Baghdadi Aug 2026

Experimental Study Of 2-Amino-5-(4- Nitrophenyl)-1, 3, 4-Thiadiazole For Ms In Hcl Solution, Talib Abed, Khalida Al-Azawi, Shaimaa Jaber, Ahmed Al-Amiery Al-Amiery, Shaimaa Al-Baghdadi

Engineering and Technology Journal

The present work aims to study the inhibition performance of new organic inhibitor namely ANTD “2-amino-5-(4-nitrophenyl)-1,3,4- thiadiazole” on corrosion of mild steel (MS) in HCl environment at the concentration of 1.0 M through using weight loss techniques. Weight lost measurements demonstrates the presence of a film on MS surface in existence of organic substance. The inhibition performance of ANTD at various concentrations for mild steel increases with increasing concentration and with an increased in the immersion time and decreased with raising temperatures degrees. The optimal inhibition efficiency of (ANTD), 82%, was achieved for mild steel when immersed with the highest …

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Removal Of Reactive Red Dye (Cibacron Fn-R) From Synthetic Wastewater By Using Natural Substance, Safaa Al-Hussaini, Eman Mohammed, Abdul Hameed Al-Obaidy Aug 2026

Removal Of Reactive Red Dye (Cibacron Fn-R) From Synthetic Wastewater By Using Natural Substance, Safaa Al-Hussaini, Eman Mohammed, Abdul Hameed Al-Obaidy

Engineering and Technology Journal

Synthetic textile wastewater was simulated by using Cibacron reactive red dye FN-R. Pomegranate peels were used as adsorbents to remove the red dye by applying a continuous fixed bed column reactor system having a filter with a diameter of 30mm and a length of 110mm. The effect of different parameters on the removal efficiency was studied; pH levels (2, 4, 6, 8, 10, and 12), flow rate (27, 45, and 60 ml/min), initial dye concentration (10, 15, 20, and 25 mg/l), and the contact time (30, 60, 90, 120, 150, and 180 min). It was found that the optimum pH …

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Oil Removal From Oilfield Produced Water, North Rumaila By Combination Coagulationflocculation And Microfiltration Technique, Thamer Mohammed, Eman Awad, Thabit Ahmed Aug 2026

Oil Removal From Oilfield Produced Water, North Rumaila By Combination Coagulationflocculation And Microfiltration Technique, Thamer Mohammed, Eman Awad, Thabit Ahmed

Engineering and Technology Journal

The Southern Oil Company, which is operated in North Rumaila oilfield in Basrah/ Iraq, is one of the important companies which produced huge amounts of produced oilfield water. The aim of this study is to treat the produced water by hybrid methods: the process of coagulation-flocculation and microfiltration technique (ceramic membrane) to remove the oil content and improve the water quality to meet the allowable limit of reinjection into the reservoir. Poly-aluminum chloride (PAC), and Ferric Chloride (FeCl3.6H2O) coagulants were used separately and in combination with cationic polyelectrolyte (PE). After produced water was treated with different doses of coagulant, it …

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Wavelet-Based Denoising Of Images, Alauldeen Yaseen, Rafid Zamel, Jabbar Khlaief Aug 2026

Wavelet-Based Denoising Of Images, Alauldeen Yaseen, Rafid Zamel, Jabbar Khlaief

Engineering and Technology Journal

Wavelet-analysis has become a powerful tool for denoising images. It represents a new way to achieve better noise reduction and increased contrast. Here, experimentally demonstrate abilities of discrete wavelet transform with Daubechies basis functions for improving the quality of noisy images.in this research two methods has been compaired for modify the coefficients using soft and hard threshold to improv the visual fineness of noisy image depend on Root-Mean-Square error (RMS). The low RMS value and better noise reduction find in soft threshold method which is based on Daubechies wavelet (db8) for first example image RMS=0.101 and second example RMS=0.109

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Optical And Thermal Characterizations Of Pmma Composites, Raghad Al-Khafaji, Kareem Jasim, Adil Ibraheim Aug 2026

Optical And Thermal Characterizations Of Pmma Composites, Raghad Al-Khafaji, Kareem Jasim, Adil Ibraheim

Engineering and Technology Journal

Thick composite films were prepared employing hand – layup method . A definite quantity of PMMA ( 98%wt ) , fixed content ( 2% wt ) of rutile titanium dioxide TiO2 , gamma alumina ( ᵞ- Al2O3 ) and Zirconia powder ( ZrO2 ) , were added to polymer solution gradually and separately. Optical constants were obtained of the prepared samples using spectrometer (UV- VIS). The prepared composite samples were thermally characterized by differential scanning calorimeter ( DSC ). We notice increasing value of glass temperature and differential heat capacity ( ∆Cp ) for composites compared with pure PMMA .

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Modeling The Plasma Frequency For F2-Region Using Modified Chapman Function And Nequick2 Model Over Different Geographical Locations And Months, Ali Nima Aug 2026

Modeling The Plasma Frequency For F2-Region Using Modified Chapman Function And Nequick2 Model Over Different Geographical Locations And Months, Ali Nima

Engineering and Technology Journal

This study aims to modeling the plasma frequency profile of the F2 region as a function of geographical location and month of the y ear. The most important model and function used are Chapman function and NeQuick 2 model which have been defined both by exponential function. These models need some ionospheric parameters such as the critical frequency of F2 layer (foF2), maximum peak height (hmF2), semi thickness (ymF2), and the M factor (M (3000) F2). The results of these models are compared with the results of the International Reference Ionosphere (IRI) model. For north hemisphere, the results of Chapman …

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Weak Convergence Of Two Iteration Schemes In Banach Spaces, Salwa Abed, Zahraa Mohamed Hasan Aug 2026

Weak Convergence Of Two Iteration Schemes In Banach Spaces, Salwa Abed, Zahraa Mohamed Hasan

Engineering and Technology Journal

In this paper, we established weak convergence theorems by using appropriate conditions for approximating common fixed points and equivalence between the convergence of the Picard-Mann iteration scheme and Liu et al iteration scheme in Banach spaces. As well as, numerical examples are given to show that Picard-Mann is faster than Liu et al iteration schemes.

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Catalytic Reaction Of Ethanol Into Light Olefins Over 2wt%Cuo/Hzsm-5, Fanar G. Hashim Hashim Aug 2026

Catalytic Reaction Of Ethanol Into Light Olefins Over 2wt%Cuo/Hzsm-5, Fanar G. Hashim Hashim

Engineering and Technology Journal

There was increasing in the international needing for fossil fuel, which is formed from nonrenewable materials such as crude oil. Bio-ethanol considered one of the materials that can be produced from renewable sources like the fermentation of sugar cane. 2wt% CuO doped HZSM-5 has been modified by the impregnation method. All experimental runs have conducted at 500 °C, 1 atmosphere pressure and WHSV 3.5 h-1 in a fixed bed reactor. Catalyst, which modified in this work, was analyzed by SEM and XRD as well as TGA experiment. The analysis hydrocarbons products have done by gas chromatographs provided with flame ionization …

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Diagnosis And Evaluation Of Defects Encountered In Newly Constructed Houses In Erbil City, Kurdistan, Iraq, Khalil Wali, Noori Ali Aug 2026

Diagnosis And Evaluation Of Defects Encountered In Newly Constructed Houses In Erbil City, Kurdistan, Iraq, Khalil Wali, Noori Ali

Engineering and Technology Journal

This study investigated the types and profile of defects facing newly constructed houses through conducting a survey and analyzing defect records of data observed for 652 houses out of 1000 houses newly constructed for Salahaddin University academic staff in Erbil City. The result of analysis revealed that the overall of 6758 defects identified with the mean average of 10 defects per house. The overall percentage of defected houses for each type of defects and the location of the defect ranged from 10% to 67%. The most defected components found in the doors and windows, which comes in rank 1 with …

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Optimal Location And Parameter Setting Of Statcom Device Based Pso For Iraqi Grid Voltage Profile Enhancement And Power Losses Minimizing, Rashid Al-Rubayi, Mohammed Eesee Aug 2026

Optimal Location And Parameter Setting Of Statcom Device Based Pso For Iraqi Grid Voltage Profile Enhancement And Power Losses Minimizing, Rashid Al-Rubayi, Mohammed Eesee

Engineering and Technology Journal

The main goal of this work is to enhance the Voltage stability by using optimum location and parameters setting of STATCOM device. The parameters are the magnitude of the output voltage ������ and the angle ������, these parameters are taken to control the device performance. The simulation results have been done by using power flow program solution by Newton-Raphson method (Matlab program / M-file) with Particle Swarm Optimization (PSO) technique, for power losses minimizing and improving voltage profile. Two systems have been implemented:- IEEE 5-bus test system and Iraqi (400 kV) National super Grid System 27-bus. The MATLAB programs are …

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Examining The Impact Of Different Thermosyphon Diameters And Working Fluids On Their Performance, Talib Farge, Sahar Al-Sakini, Aseel Ismael Aug 2026

Examining The Impact Of Different Thermosyphon Diameters And Working Fluids On Their Performance, Talib Farge, Sahar Al-Sakini, Aseel Ismael

Engineering and Technology Journal

This work was designed to examine the effect of various thermosyphon diameters and working fluids on the thermosyphon performance. A thermosyphon made from copper tubes with three different external diameters 7, 13 and 22mm with thickness of 1mm is used in this work. The length of evaporator and condenser were 120 and 300 mm respectively. Working fluids were water, acetone and Freon R11 working fluids are tested. The obtained results have shown that the temperature gradient was decreased when increasing the thermosyphon diameter. Also, the results showed that the Merit for water had the highest value than the other working …

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Investigation Of Corrosion Protection For Steel By Eco-Friendly Coating, Majid Abdulmajeed, Hiba Abdullah, Slafa Ibrahim, Ghaith Alsandooq Alsandooq Aug 2026

Investigation Of Corrosion Protection For Steel By Eco-Friendly Coating, Majid Abdulmajeed, Hiba Abdullah, Slafa Ibrahim, Ghaith Alsandooq Alsandooq

Engineering and Technology Journal

The coupling effect of coating and inhibition has been investigated in the present work. polypyrrole coating with adding coumarin was applied on carbon steel to protect it against corrosion. Electropolymerization process by cyclic voltammeter was carried out in 0.2M oxalic acid electrolyte containing 0.1M pyrrole monomer without and with 0.01M coumarin as an eco-friendly inhibitor. SEM/EDS, AFM and FTIR techniques were used to identify the coating film. Corrosion test using Potentiostat was achieved for uncoated and coated specimens and the results indicated that the corrosion potentials became nobler compared with uncoated specimen, this means that the anodic sites were covered …

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Effect Of Using Local Insulation Materials On The Indoor Temperature Of Residential Buildings At Iraq, Abdulrahman Mahmood, Haqi Qatta, Nassr Hussein Aug 2026

Effect Of Using Local Insulation Materials On The Indoor Temperature Of Residential Buildings At Iraq, Abdulrahman Mahmood, Haqi Qatta, Nassr Hussein

Engineering and Technology Journal

In this research, a thermal insulation between the two layers of a wall has been used for the residence buildings to reduce the heat transmitted across the walls and thus reducing the power consumption for cooling load. A MATLAB program was used to obtain the thermal response for various types of walls from the energy sources (solar radiation and ambient temperature) in summer season in Baghdad, Iraq. Local materials used in this study as thermal insulators between the two layers of walls are: local cane mat, wood sawdust and cork grains. Modeling tests were carried out on June, July and …

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Response Of Bread Wheat To Abscisic Acid Under Water Stress, Shatha Ahmed, Emad Hashim, Ahmed Al-Taie Aug 2026

Response Of Bread Wheat To Abscisic Acid Under Water Stress, Shatha Ahmed, Emad Hashim, Ahmed Al-Taie

Engineering and Technology Journal

Field experiments were carried out at the Field Crops Research Station of the Agricultural Research Office - Abu Ghraib, during Seasons of 2014-2015 and 2015-2016 to study the effect of four concentrations of abscisic acid (ABA) on some of the physiological characteristics of cultivar bread wheat (Bohooth10) under water stress. The experiments were applied according to randomized complete block design (RCBD) by split plot arrangement with three replicates. Water treatments, which occupied the main plots, included four water irrigation quantities, which were irrigated when depletion 50%, 70% and 40% of available water, in addition to rainy treatment (germination irrigation + …

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The Effect Of Using Multi Types Of Mineral Admixtures On Some Properties Of Lightweight Self-Compacting Concrete, Waleed Razaq, Qais Freih, Shubbar Al Obaidey Aug 2026

The Effect Of Using Multi Types Of Mineral Admixtures On Some Properties Of Lightweight Self-Compacting Concrete, Waleed Razaq, Qais Freih, Shubbar Al Obaidey

Engineering and Technology Journal

The main objective of this research was studying the effects of using multi types of mineral admixtures as high reactivity Attapulgite (HRA), high reactivity Metakaolin (HRM) and fly ash (FA) on some rheological and mechanical properties of lightweight self - Compacting concrete (LWSCC), when were used as a partially replacement by weight of cement. The results showed that using of (HRA) and (HRM) increased the superplasticizer (SP) dosage, while (FA) with spherical particles reduced the (SP) dosage relative to reference mix (Ref. mix) to get the same slump flow target value. The optimum content for (HRA) used in this study …

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