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Ibn Al-Haitham Journal for Pure and Applied Sciences
ISSN 1609-4042 · University of Baghdad · 2.276 artikel di indeks
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Calculating the Linearly Polarized Modes and their Properties in Weakly Guiding Step Index Fibers
The modal properties of optical fibers were calculated at core radii (1.45–5.05) µm in 1.20 µm increments. In this work, the calculation was performed at a wavelength of 1.030 µm using the RP Fiber Calculator software (free version 2025). The results demonstrated that when the core radius is…
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Synthesis, Characterization and Dyeing Performance of Co(II), Ni(II), Cu(II) and Zn(II) Complexes with (E)-4-Chloro-N-(2-(Dimethylamino)Ethyl)-5-((8-Hydroxyquinolin-5-yl)Diazenyl)-2-Methoxybenzamide
The (E)-4-chloro-N-(2-(dimethylamino)ethyl)-5-((8-hydroxyquinolin-5-yl)diazenyl)-2-methoxybenzamide azo ligand (L) has been synthesized through the reaction of diazonium salt for 5-amino-4-chloro-N-(2-(dimethylamino) ethyl)-2-methoxybenzamide with 8-hydroxyquinoline and identified azo ligand (L)…
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Carbon Black in Electromagnetic Interference Shielding Effectiveness of Lightweight Polypyrrole in (C-Band and X-Band) Frequency Range
EMI (Electromagnetic Interference) shielding apeara lot of attention of that electronic devices are being used more widely and reports design progress for shielding..The EMI of PPy/Carbon black synthesized different weight (0,1,3,5 wt.%) of C.B using chemical oxidation method at (3-7)°C and…
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Development of UV-Resistant Low-Density Polyethylene/ ZnO Nano Composites for Irrigation Pipe Applications
This study investigates the influence of zinc oxide (ZnO) nanoparticles on the mechanical, thermal, and surface properties of low-density polyethylene (LDPE) nanocomposites under accelerated weatheringconditions, including UV exposure, elevated temperature, and humidity. LDPE samples were…
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Urbach Energy Estimation of Biosynthesized CMC+PEG/Ag Nanocomposites for Improving Photocatalytic Activity
Silver nanoparticles (Ag) were filled at different ratios (6, 12, 18, 24, 30, and 36%) into a polymer matrix consisting of carboxymethyl cellulose (CMC) and polyethylene glycol (PEG) using the solution casting method. The biopolymer (CMC) was prepared from rice husks (RH), which are locally…
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The Sediments of the Tigris as an Indicator of Environmental Pollution: The Relationship between the Nature of the Sediments, the Accumulation of Pollutants and their Effects on Health
The Tigris, a vital source of fresh water in Iraq, is a major source of pollution. Its sediments act as sinks and carriers of pollutants and pose a burden on the environment and a health risk to the population. A study analyzed the chemical and biological pollution of sediments from five areas…
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Estimating the Survival Function of Mixture Inverse Rayleigh and Inverse Gompertz Using a New Hybrid Meta Heuristic Algorithm
This paper proposes a new compound model involving the inverse Rayleigh and inverse Gompertz distributions with four versatile parameters. Some of the statistical measures of the newly suggested distribution are derived, including the survival function, hazard function, cumulative distribution…
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Morphological and Ecological Observations on Freshwater Snail Pseudosuccinea columella (Say, 1817) in Baghdad, Iraq
This study presents morphological observations on the freshwater snail Pseudosuccinea columella collected from an urban freshwater habitat in Baghdad, Iraq. A total of 30specimens were collected from a home garden in the Al-Karkh district and preserved in 70% alcohol for morphological…
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Callus Induction of Dianthus caryophllus L. and Economic Importance
The medicinal knowledge of herbal plants plays a crucial role in the discovery of new drugs. Among the Caryophyllaceae family, Dianthus caryophyllus (carnation) is an ornamental plant widely valued for its colorful flowers and pleasant fragrance. Beyond its aesthetic appeal, the plant possesses…
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The Potential Protective Role of Tiger Nut (Cyperus esculentus) Against Clomipramine-Induced Alterations in Sex Hormones and Testicular Tissue in Male Mice
Clomipramine (Clm.) is considered one of the most effective tricyclic antidepressant drugs. The present study focuses on the ability of the flavonoid extract of tiger nuts to reduce the damage caused by the drug. The study involved 48 male mice weighing 30 g ± 5 and divided into four groups of 12…
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A Comparative Phytochemical Profiling of Phenolics, Flavonoids and Alkaloids in Alfalfa Cultivars Grown in Iraq
Natural substances obtained from medicinal plants have long served as valuable sources of therapeutic agents because they contain important secondary metabolites. This study aimed to identify the qualitative and quantitative content of some active secondary metabolites (SMs) in the aerial parts of…
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The Role of Nano-Titanium and Nano-Curcumin in the Production of Biofuel from Sunflower Plants (Helianthus annuus L.) Exposed to Water Stress
The sunflower (Helianthus annuus L.) is one of the economically important crops that can be used for biofuel production, which aids in protecting the environment against the negative effects of fossil fuels. There is an increasing need for employing modern materials and technologies such as…
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Z- Essentail Small Compressible Modules
Let C be the left unitary R-module , and let R be a commutative ring with 1. In this paper, we introduce a detail and study the concept of a Z- essential small compressible module (Z-ess-s-comp module for short), if C can be embedded in each of its non-zero Z-small sub-module. Equivalently, C is a…
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Detection of Chemical Compounds of Two Green Algae Chlorococcum humicola and Chlorella vulgaris Using GC–MS
Microalgae have been identified as excellent sources of various bioactive compounds for applications in pharmaceuticals, nutraceuticals, and biofuels. The objective of this study was to evaluate the chemical composition of Chlorococcum humicola and Chlorella vulgaris using Gas Chromatography-Mass…
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Evaluation of Radioactivity and Heavy Metal Concentrations in Some Liquid Supplements Samples
In recent years, it has become clear that consumers of nutritional supplements, especially adults, tend to consume these supplements for the purpose of improving health and delaying chronic diseases associated with age, in addition to improving physical and mental performance. These supplements are…
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Effect of Tryptanthrin on the Expression of the Bap Gene in Biofilm-Forming Acinetobacter baumannii
Acinetobacter baumannii is an opportunistic pathogen that mainly causes disease in individuals with immunocompromising conditions, burn and wound infections, and individuals who are hospitalized in an intensive care unit (ICU). The aim of this study was to investigate the prevalence of…
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Improvement of Carbon Steel Surface Hardening and Corrosion Resistance by Using Pulse Laser
This study examines the surface modification of steel through Nd:YAG pulsed laser processing. Laser surface hardening enables it can focus energy very precisely over very short periods of time it can focus energy very precisely over very short periods of time. The effects of laser energy and pulse…
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Study of the Charge Transfer Rate and Injection Dynamic of Indoline Dye Contacting TiO2 in a Sensitized Solar Cell
In this study, the theoretical framework relied on the quantum charge (electron) transfer theory to investigate and calculate the probability of transfer and charge transport behavior in the heterojunction D102/TiO₂ device. Electronic transport characteristics were calculated using MATLAB…
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Synthesis, Characterization and Investigation of Industrial, Biological Applications for Complexes Containing Diazonium Salt of 4-Aminoantipyrine
By reacting the diazonium salt of 4-aminoantipyrine with 2,4-dimethyphenol, 4-(2-hydroxy-3,5-dimethyl-phenylazo)- 1,5-dimethyl-2-phenyl-1,2-dihydropyrazol-3-one was synthesized. Elemental analysis (C.H.N.), FT-IR spectrum, UV-Vis spectroscopy, and 1H NMR spectrum have been used to identify the…
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Analytical Determination of Diosmetin 7-O-Rutinoside through Reversed Flow Injection Analysis with Brady’s Reagent and NaIO4 as Oxidizing Agent
Diosmetin 7-O-rutinoside (DSM) is an important pharmaceutical compound requiring reliable quantification methods. This study aims to develop and optimize a spectrophotometric procedure using reverse flow injection analysis (rFIA) with 2,4-dinitrophenylhydrazine (DNPH) as a derivatizing agent in an…
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