Masters Dissertations : Science: Recent submissions

Now showing items 21-40 of 1209

PhysicochemicalCharacterization of Gamma Irradiated Acacia seyalGum

Osman, Samah Mohamed Salih; Supervisor, -EssaEsmail Mohammad Ahmad (Sudan University of Science & Technology, 2020-10-22)

The effects of A. seyalvarseyal gum aqueous solutions varying gamma radiation doses (10, 30 and 50 KGy) on some physicochemical properties of. The crude and gamma irradiated samples were characterized usingpH measurements,specific ...
The Effect Of Magnetic Fieldon the operation of a Solar Cell,Illuminated with monochromatic light

Hamad, Mohammed Rabih Kela; Supervisor, -Rawia Abdelgani Elobaid Mohammed (Sudan University of Science & Technology, 2020-11-15)

In this study, an magnetic field was shed on the solar cell to study the effects of different wavelengths on the solar cell using three filters (yellow - green - purple), and also study the properties of both voltages and ...
Environmental Assessment for Water Quality of the White Nile River in Khartoum State

Babiker, Namarig Yasin Ahmed; Supervisor, -Mohammed Sulieman Ali Eltoum (Sudan University of Science & Technology, 2021-07-11)

The aim of this study was to assess the environmental quality of the White Nile water and identify pollution sources in Khartoum state (Aldabasin area was taken as a case study) because the area is located by many ...
Determination of Mercury Concentration in Soil and Water Samples from Gold Mining Areas in North and East Sudan

Ahmed, Elzuber Abdallah Alhassan; Supervisor, - Mohammed Adam Abbo (Sudan University of Science and Technology, 2022-02-10)

The main objective of this research is to determine the concentrations of mercury in soil and water samples from the mining areas in the north and east of Sudan to assess the pollutant risk of mercury on the environment, ...
Impact of Heat Treatment on Spray Dried Gum Arabic Powder and its Effects on Physico-chemical Properties of its Solution and its Emulsion

Mohamed, Abia Mohamed Yousif; Supervisor, - Elfatih Ahmed Hassan (Sudan University of science and technology, 2022-04-04)

The objective of this study is to investigate the effect of heat treatment on raw Acacia gums and its implications on the physico-chemical prosperities on gum solution viscosity and the stability of their emulsion. ...
Natural Plants Extract Mediated Synthesis of Silver Nanoparticles

Ezoo, Ismail Abaker Adam; Supervisor, - Abd Ellateef Abbass (Sudan University of Science and Technology, 2022-03-15)

Recently, noble metal nanoparticles have gained the interest of researchers due increases of its application in almost all fields particularly in biological application. This is actually due to their fascinating optical ...
Assessment of Quality of Sesame and Groundnut Oils Produced by Traditional and Industrial Methods

Brama, Hashim Ahmed Hasan; Supervisor, -Kamal Mohamed Saeed (Sudan University of Science & Technology, 2021-03-31)

The present research was designed to assess the quality of sesame and groundnut oils products by industrial and traditional methods, the Oil have been tested for other physical and chemical properties. For sesame oil: the ...
Quantitative Structure - Activity Relationship Study of some N-substituted -2-Isonicotinoyl Hydrazine Carboxamide Derivatives as Anti Tuberculosis Agents

Ali, Shima Ibrahim Mohammed; Supervisor, - Ahmed Elsadig Mohammed Saeed (Sudan University of Science & Technology, 2020-11-01)

Tuberculosis (TB) is a chronic disease caused by Mycobacterium tuberculosis. The appearance of multidrug-resistant strains of Mycobacterium tuberculosis (M.tb) has led to an urgent search for new and effective anti-TB ...
Phytochemical Screening ,Characterization and Antimicrobial Activity of Foeniculum Vulgare Mill(Fennel) Seeds And Its Volatile oil

SELAITIN, DUAA MOHAMMED MAHMOUD; Supervisor, - MOHAMMED SULIEMAN ALI ELTOUM (Sudan University of Science & Technology, 2021-08-01)

The Foeniculm vulgare mill belongs to the family Apiaceae known as fennel plant, its widespread annual or perennial plant. fennel is well known to ancient Indians, Chinese, Egyptians and Romans.In this study, Essential oil ...
A study of the Optical properties of Propylene Doped with Aluminum Oxide

Fadol, Sheima Abdalrahim Yahya; Supervisor, -Mahmoud Hamid Mahmoud Hilo (Sudan University of Science & Technology, 2022-03-05)

Propylene is a staple in the petrochemical industry and used in a very wide range of applications such as packaging, textiles, amplifiers, and automotive parts. This research aims to study the optical properties of doping ...
Investigation of Some Acid Radicals Content in Trona Ore Samples (Sudan)

Altahir, Ahlam Hassan Mohammed; Supervisor, -Omer Adam Mohamed Gibla (Sudan University of Science & Technology, 2022-01-02)

The aim of this study was to investigate the occurrence of the main acid radicals in Sudanese Trona ore samples. Eight (8) Trona ore samples were obtained from Khartoum state local markets and Elfasher city markets at ...
دراسة تأثيرالأشعة السينيةفي مجال الصناعي

مالك, فيصل موسى علي; مشرف, -أحمد الحسن الفكي (جامعة السودان للعلوم والتكنولوجيا, 2020-06-13)

يهدف البحث لدراسة آثار واستخدامات الأشعة السينية في الصناعة متمثلة في كشف عن الشروخ والعيوب التي لا تظهر على السطح.في هذا البحث اٌتبعت الطريقة الوصفية للتعرف على الأشعة السينية واستخداماتها وآثارها في الصناعة ومقارنتها مع ...
Production Of Biodiesel From Waste Frying Oil Using Calcium Oxidebio-Derived Catalyst From Waste Eggshells

Abdelrazig, Mohammed Hassaballa; Supervisor, -Elfatih Ahmed Hassan (Sudan University of Science & Technology, 2022-02-02)

Waste Frying Oil (WFO) has significant potential as a raw material for biodiesel production. About 80% of the total production cost of biodiesel goes to feedstock when high-grade oil is used. The objective of this research ...
preparation and Characterization of Succinic Acid-cross-linked Acacia seyal (Talha) Gum Hydrogel

Alhossiun, Esraa Hassan Alamin; Supervisor, -Essa Esmail Mohammad Ahmad (Sudan University of Science & Technology, 2019-08-18)

The aim of this study was to prepare and characterize a hydrogel samples based on Acacia seyal var seyal gum cross-linked with succinic acid. The samples were prepared using varying concentrations of the succinic acid ...
Numerical Solution of The Solitons Propagation IN Optical Fibers Using Sptit-Step Fourier method

Baharadine, Hissein Hassane; Supervisor, -Isam Ahmed Attia (Sudan University of Science & Technology, 2020-09-03)

Despite the vast research in the notions of Maxwell's equations, the propagation equation of an electromagnetic wave and the notion of soliton allowed us to derive a model known in optics as the Nonlinear Schrodinger ...
GC-MS Study and Antimicrobial Potency of Brassica herta Seed Oil

Osman, Reem Abd Almutalib Ahmed; Supervisor, -Mohammed Abdel Karim Mohamed (Sudan University of Science & Technology, 2021-08-04)

Brassica hirta oil was analyzed by GC-MS. Identification of the constituents was accomplished by consulting the MS library (NIST) and also by matching retentions times with the database of the GC-MS library.Twenty nine ...
Constituents and Antimicrobial Activity of Pimpinella anisum oil

Elkhider, Alaa Babiker Hasabelnabi; Supervisor, -Mohamed Abdel Karim Mohamed (Sudan University of Science & Technology, 2021-07-28)

Pimpnella anisum oil was analyzed by GC-MS . Ten constituents were identified by GC-MS analysis dominated by the following major components: i) 9-Octadecenoic acid methyl ester (14.21%) ii) Cyclopropaneoctanoic acid, ...
Using Inverse Power Law Potential and Method of Image to Study Charge Distribution in Conductors

Omer, Nazik AbdAllah Hajmusa; Supervisor, -Ali sulaiman Mohamed (Sudan University of Science & Technology, 2019-07-20)

Various methods to study the electric charge distribution on conductors were presented in details in this thesis. The electrostatic potential is mediated by potential law that varies as inverse power potential instead of ...
Preparing and Study of Optical Properties of Nano Copper Oxide (CuO) by Sol-Gel Method

Adam, Dahawi Ahmed Mohammed; Supervisor, -Amal Abdalla Ahmed Al-Faki (Sudan University of Science & Technology, 2020-01-05)

This study is focused on the optical properties of p-type semiconductor Nano copper oxide (CuO) prepared by Sol-gel method. The optical characteristics have been investigated by UV/Vis spectrophotometer in the wavelength ...
Determination of Sodium and Potassium in some Sudanese Vegetables and Fruits by Using Flame Photometry

Mohamed, Osman Abdelmunim Elbashir; Supervisor, -Mohamed El-Mukhtar Abdel Aziz (Sudan University of Science & Technology, 2021-10-26)

In this study potassium and sodium have been determined in four Sudanese vegetables (watercress, tomato, potato and parsley) and four Sudanese fruits (banana, mango, date and orange). Dry ashing method was used to prepare ...

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