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Browsing Electrical and Computer Engineering by Issue Date

Browsing Electrical and Computer Engineering by Issue Date

Now showing items 1-20 of 176

Electrochemically Deposited Palladium as a Substrate for Self-Assembled Monolayers Article

Tesfaye Refera; Jorg Strutwolf; Ciara K. O’Sullivan (2007-03)

The vast majority of reports of self-assembled monolayers (SAMs) on metals focus on the use of gold. However, other metals, such as palladium, platinum, and silver offer advantages over gold as a substrate. In this work, ...
Electrochemical surface nanopatterning by selective reductive desorption from mixed metal surfaces Article

Tesfaye Refera; Jorg Strufwolf; Olivier Y.f. Henry et.al (2008-10)

a b s t r a c t We report on a novel strategy to the functionalisation of electrode surfaces based on the preparation and patterning of mixed metal electrodes using metal selective electrodesorption of a sacrificial ...
Electrode surface nanostructuring via nanoparticle electronucleation for signal enhancement in electrochemical genosensors Article

Tesfaye Refera; olivie Y.F.henry; Ciara k.oisullivan (2011)

a b s t r a c t Biosensor read out signals can be enhanced by carefully designing the transducer surfaces to achieve an optimal interaction between the recognition elements immobilised and the targeted analyte. This is ...
3d finite element analysis of circular tunnel The case of genale dawa hydropower tunnel Thesis

Enkuneh Eyob; Kifle Woldearegay; Elmer C. Agon (2015-02)

Tunneling is a recent practice in Ethiopia due to the fact there were no major engineering projects over the years. In this research, computing the stress and deformation of Genale Dawa Hydropower tunnel was the main ...
Mobile Jammers in Educational Institutions Article

K.A.Lathief (2015-04)

For many years plastics were well known merely as INSULATORS and were used predominantly for shielding copper wires. Now the emerging new technology POLYTRONICS, changes our viewpoint in visualizing the conducting polymers ...
Sodium Dodecyl Sulfate Modified Pencil Graphite Electrode Sensor for Dopamine Oxidation in Presence ofAscorbic Acid Article

Umesh Chandra; Kumara Swamy; Mahanthesha et.al (2015-07)

The graphite pencil electrode was modified with sodium dodecyl sulfate, an anionic surfactant, for simultaneous investigation of dopamine and ascorbic acid in 0.2 M phosphate buffer of pH 7.4. The modified graphite pencil ...
Design and modeling of hybrid pv-micro Hydropower generation: a case study on jimma Zone, menko toli, serbo woreda. Thesis

Getnet Zewde; Getachew Shunki; Dawit Leyikuen (2015-09)

Renewable energy technologies offer clean abundant energy gathered from self-renewing resources such as the sun, micro hydro, etc. Nowadays, due to the ever increasing demand of electricity, renewable energies are becoming ...
Design And Modeling Of Hybrid Pv-mido hydropower Gineration A Case study On Jimma Zone,Menko poli Serbo Woreda Thesis

Getachew Shunki; Dawit Leyikuen; Berhanu Gizaw et.al (2015-09)

Renewable energy technologies offer clean abundant energy gathered from self-renewing resources such as the sun, micro hydro, etc. Nowadays, due to the ever increasing demand of electricity, renewable energies are becoming ...
Let Radio Network Planning ,coverage and capacity estmation For Futue implementatation In jimma, Ethiopia Thesis

Getinet Garoma; Towfik Jemal (2015-10)

Radio network planning (RNP) has been a long-standing problem since the very starting commercialization of mobile communications,of which power coverage and capacity coverage are the two major objectives.RNP of a new Radio ...
Lte Radio Network Planning:Coverage And Capacity Estimation For Future Implementation In Jimma,Ethiopia Thesis

Getinet Garoma; Towfik Jemal (2015-10)

Radio network planning (RNP) has been a long-standing problem since the very start ing commercialization of mobile communications,of which power coverage and ca pacity coverage are the two major objectives.RNP of a new ...
Application of Poly (Fast Green) Based Sensor for the Detection of Dopamine in presence of Ascorbic Acid and Uric acid Article

Umesh Chandra; B. E. Kumara Swamy; Mohan Kumar et.al (2015-12)

The electropolymerisation of fast green was prepared on the surface of graphite pencil electrode using cyclic voltammetric technique. This poly (fast green) modified graphite pencil electrode shows good electrocatalytic activity ...
Octa-Cell HSPA+ Enabled UMTS Radio Access Network Planning: Article

Solomon Gebru; Towfik Jemal (2016-01)

This paper is based on the newly advanced cellular technology called Advanced-High Speed Packet Access plus (HSPA+) or just simply HSPA+. It gives a good understanding of the possibility of using multiple carriers ...
Transmission Line Loss Minimization And Regulation Of System Voltage Using Upfc (Facts Devices):- Case Study Of South Western Region Of Ethiopia Thesis

Alebachew Tenna; Ashamo Erengo; K. Saravanan (2016-01)

Now a days, electrical power system is very complex and it requires very careful design of new equipment’s which are needed to improve electric power utilization, enhancing power system stability, power loss minimization, ...
Transmission Line Loss Minimization And Regulation Of System Voltage Using Upfc (Facts Devices):- Case Study Of South Western Region Of Ethiopia Thesis

Alebachew Tenna; Ashamo Erengo; K.Saravanan (2016-01)

Now a days, electrical power system is very complex and it requires very careful design of new equipment’s which are needed to improve electric power utilization, enhancing power system stability, power loss minimization, ...
Reliability improvement of power distribution system using protection devices: case study of Bedele power distribution system Thesis

Teshome Tolesa; Tassew Tadiwose; Tefera Mekonnen (2016-09)

The majority of outage events experienced by customers are due to electrical distribution failures. Increasing distribution network reliability is a necessity in order to reduce interruption events. Unreliable power ...
Evaluation of Health and Safety Practice in Building Construction: A Case Study in Addis Ababa Article

Lucy Fekele; Emer T. Quezon; Yolente C. Macarubbo (2016-10)

The construction industry has been seen as one of the hazardous industries. This is because the industry has a poor health and safety performance record compared to other industries all over the world. Labor law in every ...
Optimum design and analysis of solar pv/diesel hybrid power generation system for cheri alga irrigation site and electrification of the nearby community at kosha kebele Thesis

Lemlem Misganaw; Getachew Shunki (2016-10)

It is highly costly and not feasible to supply power for rural areas which are far from grid and have low population density where their electric consumption is very low. Since currently PV prices are decreasing, it is ...
microrowave Link Design Between Main Compus And Agaro branch Thesis

Gemechu Dengia; Tofik Jemal; Sherwin Catlos (2016-10)

Microwaves are widely used for point to point communications, because their small wavelength allows conveniently-sized antennas to direct them in narrow beams, which can be pointed directly at the receiving antenna. This ...
Short Term Load Forecast In Jimma City By Using Artificial Neural Network Thesis

Ermias Shiferaw; Dereje Shiferaw; K. Saravanan (2016-10)

For optimal power system operation, electrical generation must follow electrical load demand. The generation, transmission, and distribution utilities require forecasting the electrical load so they can utilize their ...
Optimum Power Distribution Network Configeration For Jimma University Main Campus By Using Genetic Algerithm Thesis

Dawit Mendaye; Dereje Shiferaw; K. Saravanan (2016-10)

The distribution system is an important part of the total electrical supply system, as it provides the final link between a utility’s transmission systems and its customers. It typically has tie and sectionalizing ...

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Browsing Electrical and Computer Engineering by Issue Date

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