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2026

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Hollow Fiber Ultrafiltration Membrane For Methyl Green Dye Removal, Saja Alardhi, Jamal Alrubaye, Talib Albayati Aug 2026

Hollow Fiber Ultrafiltration Membrane For Methyl Green Dye Removal, Saja Alardhi, Jamal Alrubaye, Talib Albayati

Engineering and Technology Journal

In this study, the behavior of a Polyvinyl chloride (18 wt % PVC) hollow fiber ultrafiltration (UF) membrane for methyl green (MG) dye removal from aqueous solution was estimated by studying the influence of varying the operation conditions (the concentration of the dye and volumetric flow rate) to determine their impact on the separation processes (permeate flux and rejection coefficient) at constant pressure and temperature. The PVC membrane was characterized by scanning electron microscopy. Furthermore, tests of the UF were carried out with pure water and MG aqueous solutions as feed. Outcomes explained a notable influence of feed concentration and …

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Experimental Investigation Of Thermodynamics, Kinetics, And Equilibrium Of Nickel Ion Removal From Wastewater Using Zinc Oxide Nanoparticles As The Adsorbent, Shurooq Remedhan Aug 2026

Experimental Investigation Of Thermodynamics, Kinetics, And Equilibrium Of Nickel Ion Removal From Wastewater Using Zinc Oxide Nanoparticles As The Adsorbent, Shurooq Remedhan

Engineering and Technology Journal

In the present study commercial zinc oxide (ZnO) nanoparticles in the size of 30 nm were utilized as an adsorbent for the removal of Ni (II) ion from synthetic waste aqueous solution. Adsorption capacity of ZnO for removing Ni (II) ions from aqueous solutions was measured at different pH, adsorbent dose, contact time, temperature and metal ion concentration. Moreover,  adsorption isotherms, kinetics and thermodynamics were studied to understand  the  nature  and  mechanism  of  adsorption. ZnO nanoparticles were characterized by X-Ray diffract analysis(XRD),Fourier Transform Infrared Spectroscopy(FT-IR), scanning electron microscopy (SEM),energy dispersive X-ray spectroscopy(EDS) and Brunauer-Emmett-Teller (BET). The maximum amount of Ni …

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Fabrication Of Ni-Zro2 Nanocomposite Coating By Electroless Deposition Technique, Hiba Algailani, Adel Mahmoud, Hanna Al-Kaisy Aug 2026

Fabrication Of Ni-Zro2 Nanocomposite Coating By Electroless Deposition Technique, Hiba Algailani, Adel Mahmoud, Hanna Al-Kaisy

Engineering and Technology Journal

This work aims preparation of Ni-based nanocomposite coating by electroless deposition method onto stainless steel (316L) substrate, the present work will compare the effects of incorporation of ZrO2 nanoparticles at different percentages (1.25 wt %, 2.25 wt %, and 4.25 wt %) Ni-based electroless deposition coating of the bath nanocomposite on the phase structure, microhardness, and corrosion resistance is studied. Where the structure and chemical composition of nanocomposite coatings were studied by using (X-ray), (SEM) and (EDS). of Ni - ZrO2 nanocomposite coating exhibits much-increased microhardness and remarkably improved corrosion resistance

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Optimizing Of Coating Layers Parameters Of (Nano Hydroxyapatite/Tio2 Nps) On Nitinol Smas By Electrophoretic Deposition, Riyam Rawdan, Makarim Abdulkareem, Ali Mustafa Aug 2026

Optimizing Of Coating Layers Parameters Of (Nano Hydroxyapatite/Tio2 Nps) On Nitinol Smas By Electrophoretic Deposition, Riyam Rawdan, Makarim Abdulkareem, Ali Mustafa

Engineering and Technology Journal

This study aims to obtain the optimal variable for depositing (HA, TiO2 and Composite) Nanomaterial on NiTi SMAs. Taguchi approach (with L9 array) was used to obtain the optimal conditions for coating produced by Electrophoretic deposition (EPD) techniques. The deposition process was done in different conditions (voltage, time, concentration and degree of grinding). Voltages were used (20, 40 and 60) volts, the time is (2, 4 and 6) min, the degree of the surface roughness (180, 500 and 1200) μm while the concentration of HA and TiO2 are (2, 4, and 6) g/L for each one. Chitosan (biopolymer) was used …

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Preparation And Characterization Of Polymer Blend And Nano Composite Materials Based On Pmma Used For Bone Tissue Regeneration, Sally Kadhum Alsaedi, Sihama Salih, Fadhil Hashim Aug 2026

Preparation And Characterization Of Polymer Blend And Nano Composite Materials Based On Pmma Used For Bone Tissue Regeneration, Sally Kadhum Alsaedi, Sihama Salih, Fadhil Hashim

Engineering and Technology Journal

As the elderly population increases, the need for bone loss treatments is increasing. Vital substances used in such treatments are required to continue for a longer period and work more effectively. The particularly important biological material is poly methyl methacrylate (PMMA) bone cement, which is widely used in damaged bone replacement surgery. So, this study focused on the role of added some nanoparticles consist of zirconia (ZrO2), and magnesia (MgO) on the binary polymeric blend (Acrylic bone cement: 15% PMMA) for a bone scaffold. Where, ZrO2 and MgO nanoparticle was added with selected weight percentages (0, 0.5, 1, 1.5 and …

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Synthesis And Characterization Of Complexes Of New Derivative Of Cyclopentaphenanthren-3-One With Manganese (Ii), Iron (Ii), Cobalt (Ii), Nickel (Ii), And Copper (Ii) Ions, Liblab Jassim Aug 2026

Synthesis And Characterization Of Complexes Of New Derivative Of Cyclopentaphenanthren-3-One With Manganese (Ii), Iron (Ii), Cobalt (Ii), Nickel (Ii), And Copper (Ii) Ions, Liblab Jassim

Engineering and Technology Journal

This work involves the chemical preparation from a series of metal Complexes having the general composition M(L)2(H2O)2, where M = [Mn+2, Fe+2, Co+2, Ni+2 and Cu+2].The ligand used was 9-fluoro-17-(1-hydrazono-2-hydroxyethyl)-11,17-dihydroxy-10,13,16-trimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[α]phenanthren-3-one (FHDTCP), who was diagnosed by H-NMR spectra.These complexes have been prepared and characterized by the ligand to metal by molar conductance, spectral (UV-Visible and FT-IR), and atomic absorption studies. The IR spectral measurements forecast interference to oxygen, nitrogen in coordination from the electron pairs to the metal ion in the center. And suggested the complexes geometry be octahedral for all.

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Semi-Quantitative Risk Assessment In The Chemical Stores Of The University Of Technology, Baghdad, Iraq, Azhar Haleem Aug 2026

Semi-Quantitative Risk Assessment In The Chemical Stores Of The University Of Technology, Baghdad, Iraq, Azhar Haleem

Engineering and Technology Journal

Chemicals are used daily at the university, by its students or staff so it’s necessary to develop a chemical management system to protect their workers and students from accidents caused by exposure to chemicals of various forms, the present study explains the methodology for assessing the health effects and risks of exposure to chemicals in the chemical stores of University of Technology (UOT) by using semi- quantitative risk assessment technique depends on a descriptive analytical approach, by collecting the requested information for seven main stores within the university by questionnaire form included inquiries about personal information about employees, level of …

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Analysis And Design Of 460 Ghz Microwave Gyrotron Oscillator, Luma Abbas, Nedal Hussain Aug 2026

Analysis And Design Of 460 Ghz Microwave Gyrotron Oscillator, Luma Abbas, Nedal Hussain

Engineering and Technology Journal

This paper is concerned with the analysis and design of a gyrotron oscillator with 460 GHz that can excite both modes (TE231) the fundamental (230GHz) and (TE061, TE261) second harmonic (near 460GHz). The oscillator is operated with 12KV beam voltage and 100mA beam current, and a computer program was developed to study the cavity in this oscillator and the wave-particle interaction inside it using the forward finite difference technique as a numerical method. The input data of the program are electron energy, velocity ratio, normalized cavity length, the normalized value of the external magnetic field, the mode number (m,n,l), and …

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Word Retrieval Based On Freak Descriptor To Identify The Image Of The English Letter That Corresponds To The First Letter Of The Word, Ekhlas Naser Aug 2026

Word Retrieval Based On Freak Descriptor To Identify The Image Of The English Letter That Corresponds To The First Letter Of The Word, Ekhlas Naser

Engineering and Technology Journal

For the reason of colossal technological developments, the requirement of image information methods became a significant issue. The aim of this research was to retrieve the word based on Fast Retina Key-points (FREAK) descriptor .The suggested system consists of four stages. In the first stage, the images of English letters are loaded. Points are detected via SUSAN in the second stage. FREAK used in the third stage and then a database was created containing 26 English letters. The image to be tested was entered and the points are extracted in the fourth stage and then Manhattan distance was used to …

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Synthesis Of Some New Derivatives Of Pyrrolidine-2-One And Studying Their Antibacterial Potentials, Nadia Betti, Redha Hussain, Sahar Kadhem Aug 2026

Synthesis Of Some New Derivatives Of Pyrrolidine-2-One And Studying Their Antibacterial Potentials, Nadia Betti, Redha Hussain, Sahar Kadhem

Engineering and Technology Journal

New derivatives of pyrrolidine-2-one have been synthesized through lactamization of γ –butyrolactone (GBL) by hydrazine hydrate (80%), ethylene diamine and ethanol amine to afford compounds (1-aminopyrrolidin-2-one), (1-(2-aminoethyl)pyrrolidine-2-one) and (1-(2-hydroxyethyl)pyrrolidine-2-one), respectively. Compound (1-aminopyrrolidin-2-one) underwent several reactions to synthesize the rest of these derivatives. All synthesized compounds were approved by their FT-IR, 1H-NMR and some by Mass spectra. The biological activities of these derivatives were evaluated against Escherichia coli and Staphylococcus aureus. Many of these derivatives showed moderate biological activity against one or both kind of bacteria in comparison to amoxicillin and some showed no biological activity at all.

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Image Encryption Algorithm Based On Substitution Principle And Shuffling Scheme, Atyaf Hamad, Alaa Farhan Aug 2026

Image Encryption Algorithm Based On Substitution Principle And Shuffling Scheme, Atyaf Hamad, Alaa Farhan

Engineering and Technology Journal

This research presents a method of image encryption that has been designed based on the algorithm of complete shuffling, transformation of substitution box, and predicated image crypto-system. This proposed algorithm presents extra confusion in the first phase because of including an S-box based on using substitution by AES algorithm in encryption and its inverse in Decryption. In the second phase, shifting and rotation were used based on secrete key in each channel depending on the result from the chaotic map, 2D logistic map and the output was processed and used for the encryption algorithm. It is known from earlier studies …

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A Study Of Some Mechanical And Physical Properties For Palm Fiber/Polyester Composite, Samah Hussein Aug 2026

A Study Of Some Mechanical And Physical Properties For Palm Fiber/Polyester Composite, Samah Hussein

Engineering and Technology Journal

This research has been done by reinforcing the matrix (unsaturated polyester) resin with natural material (date palm fiber (DPF)). The fibers were exposure to alkali treatment before reinforcement. The samples have been prepared by using hand lay-up technique with fiber volume fraction of (10%, 20% and 30%). After preparation of the mechanical and physical properties have been studied such as, compression, flexural, impact strength, thermal conductivity, Dielectric constant and dielectric strength. The polyester composite reinforced with date palm fiber at volume fraction (10% and 20%) has good mechanical properties rather than pure unsaturated polyester material, while the composite reinforced with …

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Comparative Study Of Different Organic Molecules As An Anti-Corrosion For Mild Steel In Kerosene, Eva Yaqo, Rana Anaee, Majid Abdulmajeed Aug 2026

Comparative Study Of Different Organic Molecules As An Anti-Corrosion For Mild Steel In Kerosene, Eva Yaqo, Rana Anaee, Majid Abdulmajeed

Engineering and Technology Journal

The investigation on the efficiency of three organic derivatives was done as inhibitors for carbon steel using electrochemical methods at four temperatures (303, 313, 323, and 333 K) and 100 ppm. The results showed that these prepared compounds gave good efficiencies at experimental conditions by adsorption process and they act as mixed-type inhibitor, the data of corrosion were measured and debated. Using SEM, the inhibited surface of specimens was characterized. In addition, for display the interaction between these compounds and the metallic surface, the Fourier transform infrared spectra was used. In addition, the activity of antibacterial of the inhibitors against …

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Design And Implementation Of A Fuzzy Logic Controller For Inverted Pendulum System Based On Evolutionary Optimization Algorithms, Ahmed Ghaliba, Ahmed Oglah Aug 2026

Design And Implementation Of A Fuzzy Logic Controller For Inverted Pendulum System Based On Evolutionary Optimization Algorithms, Ahmed Ghaliba, Ahmed Oglah

Engineering and Technology Journal

The inverted pendulum is a standard classical problem in the branch ofcontrol and systems. If a cart is bushed by force then its position and angleof the pendulum will be changed. Several controllers may employed,keeping the pendulum arm upright by controlling at the cart location. Inthis search paper, the fuzzy-like PID (FPID) controller has been used tocontrol the inverted pendulum, and the parameters of the controller aretuned with several evolutionary optimization algorithms like a geneticalgorithm (GA), ant colony optimization (ACO), and social spideroptimization (SSO.) The result of tuned FPID with evolutionaryoptimization is compared with conventional PID, and it shows that …

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Impact Of Climate Change On The Spatiotemporal Distribution Of Stream Flow And Sediment Yield Of Darbandikhan Watershed, Iraq, Mahmoud S. Al- Khafaji, Rana D. Al- Chalabi Aug 2026

Impact Of Climate Change On The Spatiotemporal Distribution Of Stream Flow And Sediment Yield Of Darbandikhan Watershed, Iraq, Mahmoud S. Al- Khafaji, Rana D. Al- Chalabi

Engineering and Technology Journal

The impact of climate change on stream flow and sediment yield in Darbandikhan Watershed is an important challenge facing the water resources in Diyala River, Iraq. This impact was investigated using five Global Circulation Models (GCM) based climate change projection models from the A1B scenario of medium emission. The Soil and Water Assessment Tool (SWAT) was used to compute the temporal and spatial distribution of streamflow and sediment yield of the study area for the period 1984 to 2050. The daily-observed flow recorded in Darbandikhan Dam for the period from 1984 to 2013 was used as a base period for …

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Detection Of Biomedical Images By Using Bio-Inspired Artificial Intelligent, Hanan A. R. Akkar, Sameem A. Salman Aug 2026

Detection Of Biomedical Images By Using Bio-Inspired Artificial Intelligent, Hanan A. R. Akkar, Sameem A. Salman

Engineering and Technology Journal

Computer vision and image processing are extremely necessary for medical pictures analysis. During this paper, a method of Bio-inspired Artificial Intelligent (AI) optimization supported by an artificial neural network (ANN) has been widely used to detect pictures of skin carcinoma. A Moth Flame Optimization (MFO) is utilized to educate the artificial neural network (ANN). A different feature is an extract to train the classifier. The comparison has been formed with the projected sample and two Artificial Intelligent optimizations, primarily based on classifier especially with, ANN-ACO (ANN training with Ant Colony Optimization (ACO)) and ANN-PSO (training ANN with Particle Swarm Optimization …

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Artificial Intelligent Technique For Power Management Lighting Based On Fpga, Hanan A. R. Akkar, Sameh J. Mohammed Aug 2026

Artificial Intelligent Technique For Power Management Lighting Based On Fpga, Hanan A. R. Akkar, Sameh J. Mohammed

Engineering and Technology Journal

The modern technological advances gave rise to new intelligent ways of performance and management in various fields of our lives. The employment of the artificial intelligent techniques proved influential in enhancing the technological developments and in meeting the demands for new, more efficient, more reliable and faster ways of performing activities and tasks. Lighting systems are an important part of human life. For this reason, it is important to reduce and manage energy consumption properly. Light dimming paves the way for massive energy saving in lighting applications. The options include simply reducing the output during the night and achieve maximum …

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Extraction Of Rare Earth Elements From Iraqi Phosphate Ore By Using Of Tributyl Phosphate, Muna K. Abbass, Moayyed G. Jalhoom, Aya M. Kadhim Aug 2026

Extraction Of Rare Earth Elements From Iraqi Phosphate Ore By Using Of Tributyl Phosphate, Muna K. Abbass, Moayyed G. Jalhoom, Aya M. Kadhim

Engineering and Technology Journal

Iraqi phosphate ore deposits have been ascertained to be the second global reserve after Morocco, it has been utilized successfully at Al-Qaim phosphate fertilizers complex in the period 1983-2009. The deposit has valuable content of rare piles of earth and uranium, which is expected to have a good impact on the Iraqi economy if they are recovered from the ore. In the present study, solvent extraction was employed for the extraction of the rare earth elements (REEs), tributyl phosphate (TBP) in kerosene was utilized for extracting ytterbium, yttrium, erbium, and lanthanum from an aqueous solution made via the nitric acid …

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Design Of Efficient Inductive Power Link With Small Size Planar Spiral Coil Receiver For Medical Applications, Muammer M. Omran, Ahmed S. Ezzulddin, Saad Mutashar Aug 2026

Design Of Efficient Inductive Power Link With Small Size Planar Spiral Coil Receiver For Medical Applications, Muammer M. Omran, Ahmed S. Ezzulddin, Saad Mutashar

Engineering and Technology Journal

The efficiency of a WPT system greatly depends on both the geometry and operating frequency of the transmitting and receiving structures. Genetic optimizations algorithms are presented to prepare the proposed design parameters using MATLAB to optimize the link efficiency. Single and double layer PSCs are optimally designed with minimal proximity losses effect. In this paper, we used the benefit of a double layer technique to miniaturize the receiver PCS size. The proposed single layer (10×10) mm2 and double layer (8×8) mm2 PSCs are validated and simulated using HFSS 15.03 software at a frequency of 13.56MHz in both cases of the …

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Assessment Of Uranium In Urine Samples Of Primary School Students, Sahar Amin, Azhar Haleem Aug 2026

Assessment Of Uranium In Urine Samples Of Primary School Students, Sahar Amin, Azhar Haleem

Engineering and Technology Journal

The environmental monitoring of radon in the children urine has been carried out by using solid state nuclear track detector CR-39. This study has been undertaken for the purpose of health risk assessments. The concentration of uranium values excreted with the boy's urine samples ranged from 0.203 Bq.L-1 (1.246 ng/L) and 2.201 Bq.L-1 (13.486 ng/L) with an average value of 0.698 Bq.L-1 (4.007 ng/L). While the concentration of uranium values excreted with the girl's urine samples ranged between 0.290 Bq.L-1 (1.777 ng/L) and 0.675 Bq.L-1 (4.135 ng/L), with an average value of 0.474 Bq.L-1 (2.901 ng/L). The amount of uranium …

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Fabrication And Characterization For Phosphate Nanofertilizer Through Polymer Coating Technique, Azhar Haleem Aug 2026

Fabrication And Characterization For Phosphate Nanofertilizer Through Polymer Coating Technique, Azhar Haleem

Engineering and Technology Journal

Many organic and inorganic materials were used to enhance plant growth and soil fertility, in the present study phosphate and polyvinyl alcohol ( PVA) was used to prepare nanocapsules fertilizer by using Emulsification Solvent Diffusion Method (ESDM), nanocapsules of phosphate and polymer provide long-term sustained-release preparations, ensure long existence of fertilizer in attach with the plant. Particle size distribution was evaluated in addition to particle shapes were characterized by Transmission Electron Microscope (TEM), the activity of Nano-fertilizer was studied on Nigella sativa production and its extracts activity. The emulsification solvent diffusion method (ESDM) provided a good yield of P-nanofertilizer, nanoparticles …

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Isolation, Purification And Characterization Of Novel Phytomitogen From Nigella Sativa Seeds, Azhar Haleem Aug 2026

Isolation, Purification And Characterization Of Novel Phytomitogen From Nigella Sativa Seeds, Azhar Haleem

Engineering and Technology Journal

The objective of the present study was to extract and purified proliferative factor for peripheral blood lymphocytes from Nigella sativa seeds. Dimeric 44, 32 and 26 -kDa glucosamine-specific lectins were extracted and purified from seeds of N. sativa L. by using different ionic strength solvents (deionized distilled water, phosphate buffer slain and 0.1 M HCl) purification procedure included, precipitation in saturated ammonium sulphate, then Sephadex G-100 gel filtration was used for further purification, finally electrophoresis by polyacrylamide gel to estimate the molecular weight in the presence of sodium dodecylsulphate. Single absorbance peak at 280 nm was recorded in each extracted …

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In Vivo Effect Of Different Doses Of Silver Nanoparticles On The Seminiferous Tubules In Albino Rats: Histopathological Study, Ruqayah Salman, Abdulrahman Ali, Amenah Salman Aug 2026

In Vivo Effect Of Different Doses Of Silver Nanoparticles On The Seminiferous Tubules In Albino Rats: Histopathological Study, Ruqayah Salman, Abdulrahman Ali, Amenah Salman

Engineering and Technology Journal

The study aims to investigate the effects of silver nanoparticles (Ag NPs) on the seminiferous tubules in Albino rats. Several in vitro studies have been performed in different cell models, using various nanoparticles. Pure and spherical AgNPs with an average size of 30 nm, was injected into two groups of male albino rats (6 rats for each group) in different doses. Histopathological changes in testis tissues were showed a harmful effect of the silver nanoparticles, manifested by reducing the number of spermatogenic cells, and a decrease in the number of leyidg´s cells (group 1), and hypotrophy in seminiferous and enlargement …

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Membrane Bioreactor With External Side-Stream Membranes And High Cross Flow Velocity To Treat Municipal Wastewater, Majid A. Dixon, Talib R. Abbas, Mustafa H. Al-Furaiji, Raed H. Abed-Ali H. Abed-Ali Aug 2026

Membrane Bioreactor With External Side-Stream Membranes And High Cross Flow Velocity To Treat Municipal Wastewater, Majid A. Dixon, Talib R. Abbas, Mustafa H. Al-Furaiji, Raed H. Abed-Ali H. Abed-Ali

Engineering and Technology Journal

In this work, a pilot unit using side-stream MBR configuration was operated in BioFlow mode (i.e. no back pulse) and BioPulse mode (with intermittent back pulses) to treat municipal wastewater with relatively low MLSS. The results showed that the trans-membrane pressure (TMP) was less in the case of BioPulse over the whole period of system operation compared to that of BioFlow mode. However, the energy consumption per unit volume of permeated water is slightly higher in the case of BioFlow mode (3.4 kW.hr/m3) than that in the case of BioPulse mode (3.2 kW.hr/m3). Therefore, operation in BioPulse is preferable due …

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Development Of Surface Roughness And Mechanical Properties Of Pmma Nanocomposites By Blending With Polymeric Materials, Hussein Sadeq, Sihama Salih, Auda Braihi Aug 2026

Development Of Surface Roughness And Mechanical Properties Of Pmma Nanocomposites By Blending With Polymeric Materials, Hussein Sadeq, Sihama Salih, Auda Braihi

Engineering and Technology Journal

This work aims to a development of mechanical properties of PMMA that is utilized in denture material, by using two types of polymers; blends (PMMA:2%NR) and (PMMA:2%SR) as a matrix materials strengthen with natural nanoparticles from the pomegranate peel powder (PPP) that were added at different weight fractions (0.0, 0.1%, 0.3%, 0.5% and 0.7%). Two groups of bio nanocomposites specimens were prepared, using (Hand Lay-Up) method. Experimental tests were carried out on surface roughness, hardness and wear rate as well as analyzing of FTIR test. The minimum values of surface roughness and wear rate were reached 1.51 nm and 0.317×10-8 …

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Experimental Study Of Vibration On Pipe Conveying Fluid At Different End Conditions For Different Fluid Temperatures, Kayser Ameen, Mustafa Al-Dulaimi, Ali Hatem Aug 2026

Experimental Study Of Vibration On Pipe Conveying Fluid At Different End Conditions For Different Fluid Temperatures, Kayser Ameen, Mustafa Al-Dulaimi, Ali Hatem

Engineering and Technology Journal

Dynamic behavior of a copper pipe conveying fluid at different fluid temperatures is investigated experimentally. Three types of supports are used, which are simply support - simply support, fixed – fixed support and fixed – free support. The effect of the support's types on the frequency and the amplitude of vibration for the pipe conveying the fluid are studied for various flow temperature. These vibration characteristics were tested at temperatures 50, 65 and 80 ºC

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Synthesis And Characterization Of Chitosan- Polyvinyl Alcohol Blend Modified By Genipin And Nanohydroxyapatite For Bone Tissue Engineering, Ishraq Kadhim, Zuhair Abdul Ameer, Assel Alzubaidi Aug 2026

Synthesis And Characterization Of Chitosan- Polyvinyl Alcohol Blend Modified By Genipin And Nanohydroxyapatite For Bone Tissue Engineering, Ishraq Kadhim, Zuhair Abdul Ameer, Assel Alzubaidi

Engineering and Technology Journal

Use nanohydroxyapatite into the polymeric matrix as bioactive material for bone tissue engineering has enormous therapeutic potential because beneficial properties biocompatibility, biodegradability, and consider a major inorganic constituent of the bone matrix. The blended films of Chitosan and Polyvinyl alcohol with Genipin as cross-link agent were studied with and without addition Nanohydroxyapatite. Samples were prepared by solvent casting. The resulting films blended composite were characterized by Fourier transfer infrared (FTIR) spectroscopy, degradation behavior, swelling degree and tensile strength. Degree of swelling, and weight loss of the films blended composite was decreased with an increase of genipin and nanohydroxyapatie concentrations while …

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Toxic Effect Of Inhalation Polyurethane In Lungs, Liver, And Kidneys Fume In White Male Mice, Sura Ahmed, Amel Hussain Aug 2026

Toxic Effect Of Inhalation Polyurethane In Lungs, Liver, And Kidneys Fume In White Male Mice, Sura Ahmed, Amel Hussain

Engineering and Technology Journal

In this study, the toxic effect of exposure to inhalation of polyurethane resin fumes by White Male Mice was evaluated over 36 days. The study included the use of the inhalation method in an exposition room filled with the fume chemical to a period of 10, 20 and 40 minutes per day, and were then transferred to the fumigant section of the animal house. The organs of the mice was dissected, and the change of the weight determined. The lungs, liver, kidneys tissues of the exposed mice showed typical structural structures when compared with the control group. The liver cells …

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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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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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