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Understanding the impacts of Al+3-substitutions on the enhancement of magnetic, dielectric and electrical behaviors of ceramic processed nickel-zinc mixed ferrites: FTIR assisted studies
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Publication Date
Fri Mar 31 2023
Journal Name
2nd International Conference On Mathematical Techniques And Applications: Icmta2021
Annealing effect on structural and optical properties of Sb2S3 thin film
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The effect of annealing on the structural and optical properties of Antimony trisulfide (Sb2S3) is investigated. Sb2S3 powder is vaporized on clean glass substrates at room temperature under high vacuum pressure to form thin films. The structural research was done with the aid of X-ray diffraction (XRD) and atomic force microscopy (AFM). The amorphous to the polycrystalline transformation of these thin films was shown by X-ray diffraction analysis after thermal annealing. These films' morphology is explained. The absorption coefficient and optical energy gap of the investigated films are calculated using transmission spectra. Both samples have strong absorption in the visible spectrum, according to UV-visible absorption spectra. The optical

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Publication Date
Sun Jan 01 2017
Journal Name
Journal Of Engineering
EFFECT OF PVD AND VACUUM PRESSURE ON SATURATED-UNSATURATED SOFT SOILS
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    Soft clays are generally sediments deposited by rivers, seas, or lakes. These soils are fine-grained plastic soils with appreciable clay content and are characterized by high compressibility and low shear strength. To deal with soft soil problems there is more than one method that can be used such as soil replacement, preloading, stone column, sand drains, lime stabilization and Prefabricated Vertical Drains, PVDs. A numerical modeling of PVD with vacuum pressure was analyzed to investigate the effect of this technique on the consolidation behavior of fully and different depths of partially saturated soft soils.  Laboratory experiments were also conducted by using a specially-designed large consol

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Publication Date
Thu Nov 29 2018
Journal Name
Iraqi Journal Of Science
On Soft LC-Spaces and Weak Forms of Soft LC-Spaces
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The main purpose of this article is to study the soft LC-spaces as soft spaces in which every soft Lindelöf subset of  is soft closed. Also, we study the weak  forms of soft LC-spaces and we discussed their relationships with soft LC-spaces as well as among themselves.

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Publication Date
Thu Jul 01 2021
Journal Name
Iraqi Journal Of Science
Improvement of Chacha20 Algorithm based on Tent and Chebyshev Chaotic Maps
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Chacha 20 is a stream cypher that is used as lightweight on many CPUs that ‎do not have dedicated AES instructions. As stated by Google, that is the reason why they use it on many ‎devices, such as mobile devices, for authentication in TLS protocol. This paper ‎proposes an improvement of chaha20 stream cypher algorithm based on tent and ‎Chebyshev functions (IChacha20). The main objectives of the proposed IChacha20 ‎algorithm are increasing security layer, designing a robust structure of the IChacha20 ‎to be enabled to resist various types of attacks, implementing the proposed ‎algorithm for encryption of colour images, and transiting it in a secure manner. The ‎ test results proved that the MSE, PSNR, UQI and NCC metrics

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Publication Date
Sun Mar 01 2020
Journal Name
Iraqi Journal Of Physics
Effect of Laser Energy and Repetition Rate on Holmium Plasma Emission
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The holmium plasma induced by a 1064-nmQ-switched Nd:YAG laser in air was investigated. This work was done theoretically and experimentally.  Cowan code was used to get the emission spectra for different transition of the holmium target. In the experimental work, the evolution of the plasma was studied by acquiring spectral images at different laser pulse energies (600,650,700, 750, and 800 mJ). The repetition rates of (1Hz and 10Hz) in the UV region (200-400 nm). The results indicate that, the emission line intensities increase with increasing of the laser pulse energy and repetition rate. The strongest emission spectra appeared when the laser pulse energy is 800mJ and 10 Hz repetition rate at λ= 345.64nm, with the maximum intensi

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Publication Date
Sun Apr 02 2017
Journal Name
Journal Of The Faculty Of Medicine Baghdad
Effect of laser on erythrocytes sedimentation rate and some hematological parameters
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Background: This study was conducted in pursuit of gaining an understand effects of the low level laser irradiation on whole blood is very essential way in revealing the mechanisms of the action of laser radiation  on biological tissues.
Objective: The purpose of this study is to investigate the in vitroeffect of laser radiation on some hematological parameters and erythrocyte sedimentation rate.
Subject and Method: Blood samples were obtained from 30 healthy volunteers, each sample was divided  into four new samples, one of them was considered as control while the other three were exposed to three  different laser doses. Thewavelength of532nm was used for irradiation with 4mm diameter beam spot on blood samples

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Publication Date
Sun Apr 01 2018
Journal Name
Journal Of The Faculty Of Medicine Baghdad
Health Literacy of Diabetic Patients and its Impact on Disease Outcome
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Background: Diabetes is one of the common and costly chronic health issues and a major cause of morbidity and mortality among other non-communicable diseases. Diabetes patients’ literacy about their diseases is to be addressed as an active factor of the disease outcome.

Objectives: The objectives of the current study were to determine the overall health literacy level among diabetic patients attending the PHC centers and to test the association between the measured health literacy and their glycemic control.

Methods: A cross-sectional study was conducted on a sample of randomly selected diab

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Publication Date
Tue Sep 26 2023
Journal Name
Brazilian Journal Of Biometrics
Bifurcation analysis of commensalism intraction and harvisting on food chain model
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In this paper, we study the incorporation of the commensalism interaction and harvesting on the Lotka–Volterra food chain model. The system provides one commensal prey, one harvested prey, and two predators. A set of preliminary results in local bifurcation analysis around each equilibrium point for the proposed model is discussed, such as saddle-node, transcritical and pitchfork. Some numerical analysis to confirm the accruing of local bifurcation is illustrated. To back up the conclusions of the mathematical study, a numerical simulation of the model is carried out with the help of the MATLAB program. It can be concluded that the system's coexistence can be achieved as long as the harvesting rate on the second prey population is

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Publication Date
Fri Sep 30 2022
Journal Name
Iraqi Journal Of Science
Cytogenetic and Cytotoxic Potentials of Borago officinalis on Albino Male Mice
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       The current study is an attempt to assess the cytogenotoxic potential of the ethanolic extract from the leaves of Borago officinalis on Swiss albino male mice. Young Swiss albino mice were orally administered with leaf ethanolic extract of Borago officinalis. Three mice groups were used using different doses of plant extract (T1: 100, T2: 200, and T3:400 mg\kg) in addition to the control negative group (untreated mice) for 7 days to assess mitotic index or 28 days to assess meiotic index.  The results revealed that the extract significantly induced the division of disruptive chromosomal changes in the bone marrow and the mean of abnormality was (3.5±0.47, 4.43±0.83, and 5.83±0.96%) for T1, T2, and T3 re

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Publication Date
Tue Dec 24 2024
Journal Name
Iraqi Journal Of Agricultural Sciences
EFFECT OF HAMMER SPEED AND GRAIN GENUS ON HAMMER MILL PERFORMANCE.
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