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SYNTHESIS AND CHARACTERIZATION OF COPPER OXIDE/REDUCED GRAPHENE OXIDE NANO COMPOSITE AND ITS PHOTOCATALYTIC DEGRADATION ACTIVITIES OF METHYLENE BLUE DYE

Mehariw, Bazezew (2021-06-29)

Copper oxide nanoparticles were deposited on a presynthesized graphene oxide (GO) by successive ionic layer adsorption and reaction method to form CuO/rGO nanocomposite. The crystal structure, vibrational frequency and ...

CATALYST ASSISTED EXTRACTION OF DIESEL FUEL FROM PURE AND MIXTURE WASTE PLASTICS

Nega, Chanie (2021-05-14)

Conventional fossil fuels are widely used as a source of energy for prime movers like IC Engines. The efficient prime movers like diesel engines are usually found applications in a wide array of areas, including ...

Partial replacement of cement by waste glass for concrete production.

Zemenu, Ngus (2021-03-04)

Reusing of waste glass in concrete production is among the attractive option of achieving waste reduction and preserving the natural resources from further depletion thereby protecting the environment and achieving ...

Investigation of Mechanical Properties of Hybrid Nettle-E glass Fiber Reinforced Epoxy Composite: A Numerical and Experimental Approach

TSEGAYE, CHEMERE (2021-03-04)

Natural fibers have been found to be excellent reinforcing materials for preparing natural fiber reinforced thermoplastics (NFRT). From that, natural fiber plants like nettle are available in many parts of Ethiopia. The ...

MONTE CARLO SIMULATION STUDY OF SURFACE INDUCED STRUCTURAL CHANGES IN CONFINED MODEL SINGLE STAR DIBLOCK COPOLYMER

YIMENU, YALEW (2021-03-04)

The study of ordered stable structures for a system of particles interacting through a specific kind of interactions is an interesting problem both from the scientific and technological point of views. The modern technology ...

Fabrication and Characterization of Glass Particle Reinforced Aluminum Matrix Composite

Shiferaw, Yingess (2021-03-04)

The mechanical property of Al 6063 metal matrix composites reinforced with glass particles was studied. The composites were prepared by stir casting with 0%, 5%, 10%, 15% and 20 % Wt. of glass particles as reinforcement ...

FABRICATION AND CHARACTERIZATION OF ALUMINUM MATRIX COMPOSITE REINFORCED WITH WASTE GLASS FOR DEVICES APPLICATION

SAMUEL, TENAGER (2021-03-04)

Materials exist in nature are non-renewable and scares. To overcome these shortcomings and to meet the ever increasing demand of modern day technology composites are most promising materials of recent interest that can ...

MONTE CARLO SIMULATION STUDY OF EFFECT OF ATTRACTIVE POTENTIAL ON THE STRUCTURE OF MODEL SINGLE STAR DIBLOCK COPOLYMER

Yemengist, Tesema (2021-03-04)

Star-shaped polymers, consisting of a core and a number of arms radiating from the core, have attracted more attention because of their highly branched structures and unique rheological properties. Star-shaped polymers' ...

MONTE CARLO SIMULATION STUDY OF SINGLE STAR DIBLOCK DENDRIMERS

BINIYME, ERKUYE (2021-03-04)

Star diblock dendrimers are a new class of polymeric materials. They are macromolecules with a well-defined and monodisperse (of a colloid) containing particles of uniform size), highly branched three dimensional ...

MANUFACTUR AND CHARACTERIZATION OF COMPOSITE MATERIALS FROM WASTE POLY(ETHYLENE TEREPHTHALATE) BOTTLES REINFORCED WITH GLASS FIBERS AND WASTE GLASS FILLER FOR TILE APPLICATION

Biruk, Gedif (2021-03-04)

After primary uses of the plastic product, most developing countries like Ethiopia are facing a shortage of post consumers disposal waste sites and it became a very serious problem on environmental pollution due to its ...

CHARACTERIZATION OF THE MECHANICAL PROPERTIES OF RECYCLED GGG-40 CAST IRON CHIPS REINFORCED AlMg1SiCu ALUMINUM CHIPS COMPOSITE

AGUMAS, FELEKE (2021-03-04)

Metal matrix composites are undoubtedly a group of advanced engineering materials. Compared to unreinforced matrix material, they are characterized by increase strength, greater stiffness, increase wear resistance, better ...

PROCESS PARAMETERS OPTIMIZATION FOR CHIPBOARD MANUFACTURING

YECHALE, BISHAW…… (2021-03-04)

This thesis work is explaining about the parameter optimization of chipboard manufacturing process from eucalyptus and water hyacinth. Chipboard is a panel material manufactured under pressure from particles of wood and ...

MONTE CARLO SIMULATION STUDY OF MODEL STAR BLOCK COPOLYMER CONFINED IN A CYLINDRICAL PORE

Mikiyas, Mekete (2019-12-18)

Star shaped polymers are a relatively new class of super-molecules. Star shaped polymers are complex branched polymer which consists of at least three arms and one central core. Star shaped polymers have unique topological ...

Green Synthesis and Characterization of Zinc Oxide Nanoparticles Using Khat (Catha Edulis) Leaf Extract and Investigation of Its Antibacterial Activity.

TEMESGEN, ADERAW (2019-12-18)

In this study, green synthesis, characterization and antibacterial activity of zinc oxide nanoparticles was studied. The zinc oxide nanoparticles were successfully synthesized via a fast, convenient, cost-effective, and ...

DEPARTMENT OF MATERIAL SCIENCE AND ENGINEERING MONTE CARLO SIMULATION STUDY OF DIBLOCK STAR COPOLYMER ADSORBED ON IMPENETRABLE FLAT SURFACE

Assresaw, Workineh (2019-11-13)

Diblock star copolymers (DBSCP) are polymers of the two chemically distinct monomer units covalently bonded to form macromolecule of Diblock star copolymer unit. These types of polymer can be synthesized in three mechanisms ...

Montecare simulation stedy of diymers of viring spacre confind in asalt pore

TEMESGEN Amlaku (2019-09-08)

Dimers are low molar mass LC molecules consists of two identical rigid rod like structural molecule called mesogen jointed by highly flexible alkaline core spacer that provide the necessary mobility with in the LC phase. ...

Improving the Efficiency and Performance Analysis of Composite Material for Injera Baking pan (Mitad

Meseret, Addis (2019-04-16)

Ethiopian population uses biomass as a primary energy sources. More than 50% of this energy accounts for injera baking. Injera baking devices were prepared by combination of clay soil, copper metal powder and water as a ...

GREEN SYNTHESIS AND CHARACTERIZATION OF SILVER NANOPARTICLES USING ENDOD (PHYTOLACCADODECANDRA) LEAF EXTRACT AND EVALUATION OF THEIR ANTIBACTERIAL ACTIVITIES

Zelalem, Getu (2019-04-05)

In this study, We have used a plant mediated green synthesis of silver nanoparticles through thechemical reduction of 10 ml of 5 mM AgNO 3 solution and 1ml of 8 g Endod leaf extract areducing as well as coating (capping) ...

SYNTHESIS AND CHARACTERIZATION OF MAGNETIET IRON OXIDE NANOPARTICLIES USING MANGO LEAVEAS (MANGIFERA INDICA L.) EXTERACT AND THEIR ANTI BACTERIAL ACTIVITIES

Alemu, Debalkie (2019-04-05)

In this study, iron oxide nanoparticles (Fe 3 O 4 NPs) were synthesized using a completely green biosynthetic method by reduction of ferric chloride (FeCl 3 ) solution with Mango leaves extract. The preparation ...

OPTIMAIZATION TO ENHANCE OPTIMAIZATION OF TREATMENT PARAMETERS ENHANCE BENDING STRENGTH OF BAMBOO OF TREATMENT PARAMETERS OF BAMBOO

Andualem, Belachew (2019-04-05)

Materials found in nature are non-renewable and scares. As the need of peoples increased rapidly, new and modified materials in international manufacturing standard have to be manufactured as well utilized. Bamboo is one ...

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