Muna Slewa

Muna Slewa
Al hamdaniya university · physics

Master of Science

About

16
Publications
1,618
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37
Citations
Introduction
Education
April 2020 - December 2020
Al Hamdaniya university
Field of study
  • medical physics

Publications

Publications (16)
Article
Full-text available
The purpose of this study is to see how low-power red laser helium-neon and diode lasers with wavelengths of 632.8 nm and 650 nm, respectively, affect some human blood sample factors like viscosity HCT, Platelets PLT, White blood cells WBC, white blood lymphocytes LYM, neutrophilic white blood cells NEUT, red blood cells RBC, and Erythrocyte Sedime...
Article
Full-text available
The dependence of the cross-section of the coherent and incoherent radiation peaks in the X-ray absorption experiment of different energies (20-800 Kev) was investigated. Cross-sectional dependence on the atomic number Z was included from the published data for (8) elements, ranging from carbon to silver (C-Ag). The proportional constant K was obta...
Article
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The paper for the survey is to recapitulate applications of laser, mathematically and also discusses whether the laser can furnish a similar or ameliorate treatment for traditional care. Studies have shown that the use of lasers in the different fields is an efficacious device to increase efficiency, quality, easiness, cost and convenience in denta...
Article
Full-text available
The process of edges detecting of images is an important process for the purpose of understanding and analyzing images for many applications, such as the process of distinguishing objects, and the process of edges detecting works to detect discontinuity or sudden change in some optical properties such as light intensity, composition, and color.In t...
Article
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TiO2 and TiO2: Ni films were prepared via spray pyrolysis technique (SPT). XRD measurements assure that film grown by this method was polycrystalline tetragonal structure. The dominant peak was along (110) plane. The grain size of the samples was maximum at the(TiO2:3% Ni)film and it was minimum at the nanocomposite the pure-TiO2, whereas the strai...
Article
Full-text available
Nowadays, most materials used to manufacture denture base are heat-cured PMMA, to overcome the low strength of this material, different methods were used to strengthen the denture base and enhanced their properties. This study investigated the effect of glass fiber woven powder kaolinite (Al2Si2O5 (OH) 4) to influence and strength of flexure. Acryl...
Article
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The objectives of this study were to estimate the effect of the blue light cure unit on the compression force and hardness for composite resin nanoCeram at different thickness. The basic material used in this study was Ivoclar Vivadent Tetric N-Ceram Light Cured Hybrid restorative composite resin. The samples were cured by applying a (LED.F) unit B...
Article
Full-text available
Fe2O3 thin films were deposited on glass substrate by chemical spray pyrolysis (CSP) technique at a temperature of 450 o C.X-Ray diffraction indicates that the films were polycrystalline with a dominant peak along (100). Surface morphology was studied using atomic force microscope (AFM). The grain size values were observed in the zone of (72.46), (...
Article
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تحديد الجرعة المؤثرة للبوتاسيوم من جراء ابتلاع معجون الاسنان
Article
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Uranium is a common radioactive element in Earth’s crust (soil, rock), so it is important there quantity to be under control. The concentration of uranium in soil varies widely, Depending on the geological location, its concentration in the surface soil vary from 0.1 mg.Kg-1 (ppm) to 20 mg.Kg-1 (ppm) with a world average of 2.8 ppm and the allowed...
Article
Full-text available
Abstract. The track registration technique with a CR-39 detector was used to measure radon concentrations, and uranium contents in ground water samples from the Nineveh plain region wells. Samples were selected from 20 locations for measurements. This research aimed to assess radiological risks from uranium ingestion, and measure annual effectiv...
Article
Full-text available
Radon is the air contaminant radioactive gas which people exposed to, is a reason for lung damages and lung cancer. The areas that are subject to high radon levels are found by radon concentration measurement. The radon activity concentration, annual effective dose, and potential alpha energy concentration (PAEC), were measured in houses of Ainkawa...
Article
Full-text available
The aims of the research was to determine the potassium content in a number of materials used in dentistry e.g. (permanent and temporary fillings, work crews editions materials and materials for bridges and crowns) by using UCS-20 system computerize with scintillation detector sodium iodide activated with thallium NaI (Tl). To calculate its content...
Article
Full-text available
This study was designed to improve the thermal conductivity of cold curing PMMA acrylic denture base material at different thickness 2, 3 and 4mm and by adding alumina powder Al 2 O 3 and investigate the effect of this additive on some mechanical-physical (hardness, compression and impact) properties. Alumina powder was added to PMMA powder in perc...

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