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Browsing PhD theses : Laser by Title
Now showing items 16-35 of 52
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(Sudan University of Science & Technology, 2004-01-04)The separation between the RF antenna and the rest of the equipments of radar is considered as an important process. It is possible to achieve this task by converting the radar signals into corresponding optical signals, ...
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(Sudan University of Science and Technology, 2022-06-21)In this work, Laser Induced Breakdown Spectroscopy (LIBS) was used to Investigate, and identify, the heavy metals in samples of cement collected from different local markets in Khartoum state. Four cement samples were used ...
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(Sudan University of Sciences and Technology, 2016-02-03)In this work, acomputer simulationwas built andoperatedto simulate the plasma ofAlkaline earth group produced by different lasers,Iodine laser at wavelengthsof 1.3µm, and0.44µm.Nd-YAG laser with wavelengths of1.064µm, ...
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(sudan univesity of scince and technology, 2011-01-01)The aim of this study is to produce plasma by laser, (LPP) from different targets; iron, copper, gold and tin, with different thicknesses, and to correlate effect of the temperature on the thin film properties. In this ...
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(Sudan University of Science and Technology, 2019-03-24)The field of this research was thin films fabrication using pulse laser deposition technique. The aim of this work is to study the effect of the laser parameters (number of pulses and laser pulse energy) on the optical ...
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(Sudan University of Science and Technology, 2017-08-22)Using Radiation Technology by laser pulsation it does not need to bring samples but it could be irradiating by pulses laser co2 into small spaces being taken into account so as not to make damages on sample during ...
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(sudan univesity of scince and technology, 2011-12-01)Dental caries is chronic infectious disease affecting all population .Conventional ways of prevention by fissures sealant and fluoride application ,these two main methods inherited draw back as fluoride only act on ...
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(Sudan University of Science & Technology, 2022-01-12)This work focuses on the laser food irradiation; mainly on investigating of the influence of green laser (532nm) radiation on some physicochemical properties of sesame oil before and after storage period of 15 consecutive ...
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(Sudan University of Science and Technology, 2019-06-19)Scar is an inevitable consequence of skin disruption following trauma, burn, or surgery. Burn and traumatic wounds are the most challengeable to be treated, because these are the worst in clinical medicine. CO2 lasers were ...
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Evaluation of Using Fourier Infrared Spectroscopy and Laser - Raman in Bladder Malignancy Diagnosis (Sudan University of Science and Technology, 2009-03-03)Bladder cancer is one of the most common cancers In Africa. It takes several days to reach a diagnosis using histological examinations of specimens obtained by endoscope, which increases the medical expense. Spectroscopic ...
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(Sudan University of Science and Technology, 2016-03-22)This work aimed to fabricate multilayers thin films by liquiddeposition and to determin their optical properties.Three dyes were used for this aim; Phenexazon, Rohadamine and Coumarin. Five samples were made fromthese ...
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(Sudan University of Science and Technology, 2017-08-03)In this work, Laser Induced Breakdown Spectroscopy (LIBS) was used to investigate, and identify, the heavy metals in samples of water collected from different places in Khartoum state during the period from 2013 to 2015. ...
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(sudan univesity of scince and technology, 2012-07-01)This thesis addresses the issues of chemical characterization of crude oil and soil samples with respect to identification of organic, inorganic materials and heavy metal components. In this work, a new method to identify ...
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Improvement of Electrical Characteristics of Silicon Diode by Using Q-Switched Nd YAG and CO2Lasers (Sudan University of Science & Technology, 2015-07-27)In this work, enhancement of defects arising from conventional thermal annealing, electrical characteristics and dynamic resistance of silicon diode has been carried out by using two types of lasers in order to improve the ...
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(Sudan University of Science and Technology, 2019-07-15)Among the available thin film deposition techniques, pulsed laser deposition (PLD) is an effective technique to deposit high-quality thin films of various multicomponent materials which based on laser ablation, where ...
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(Sudan University of Science and Technology, 2019-07-30)The field of this research was materials characterization using Raman spectroscopy technique. The aim of this research is to investigate the toxic molecules in some artificial sweeteners using Raman spectroscopy. Six ...
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Laser- Induced Graft Copolymerization of Some Acrylic Acid Derivatives on Gum Arabic and Gum Karaya (sudan university of scince and technology, 2010-08-01)The grafting of Acrylamide (AAm) and 3,3-dimethyl acrylic acid on Gum Arabic and Gum Karaya, in aqueous medium initiated by ceric ammonium nitrate (CAN), has been studied in this work under a slow stream of nitrogen gas. ...
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(Sudan University of Science and Technology, 2019-06-30)Spectroscopy is the main field of this research which aims to mapping and characterize the molecules on Nile water in Northern Sudan using Raman spectroscopy. Ten samples of water were collected from different five areas ...
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(Sudan University of Science and Technology, 2019-05-05)This research aim to use modern scientific technique which is laser induced breakdown spectroscopy to identify the components of some crude oil samples. This technique was selected in this work due to its unique characteristics ...
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(Sudan University of Science and Technology, 2016-06-23)The main aim of this study was to deposit thick films of Titanium dioxide, Zinc oxide and Aluminum oxide, all deposited individually on a glass substrate by pulsed laser technique . In this technique a Q-Switch Nd:YAG laser ...
Now showing items 16-35 of 52
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