College of Natural and Computational Sciences: Recent submissions

Now showing items 421-440 of 783

Maximum Power Of Quantum Mechanical Carnot Engine Using The Woods-Saxon Model

Kemal, Mosisa (Ambo University, 2022-09)

Quantum mechanical Carnot engine was studied and its maximum power, as well as efficiency at maximum power were obtained by using Woods-Saxon potential for Carnot cycle which has four processes. These processes are ...
Determination of Essential and Toxic Heavy Metals in Selected Leaves of Medicinal Plants Grown in Delo Mena District, Oromia Regional State South-Eastern Ethiopia

Amin, Abdulhafiz (Ambo University, 2022-10)

Ethiopia is a home of diversity, having diverse plants as well as ethnic groups, each having different ways of utilization and manipulation of medicinal plants. More than 80% of the people are dependent on plants for ...
Determinations of levels of selected trace heavy metals in Teff sample from Minjar Shenkora Woreda, North Shewa Zone, Ethiopia

Abreham, Mesfin (Ambo University, 2022-12)

Determination of trace heavy metals level with high accuracy and precision is one of the most important concerns of the analytical methodology as they pose health threat at high concentrations. The aim of this study ...
Assessment of Physico-chemical Parameters and D e t e r m i n a t i o n o f S o m e Selected Heavy Metals in Ground Water the Case of Fitche Town, North Shoa Zone, Oromia Regional State, Ethiopia

Abiyu, Ayalew (Ambo University, 2022-09)

The aim of this study was to determine some selected heavy metals concentration levels and physicochemical water quality parameters of the ground water collected from Fitche Town, North Shewa, Oromia Regional State, ...
Assessment of the Physicochemical Parameters and Determination of the Levels of Some Selected Heavy Metals in Drinking Water in Assella Town, Oromia Regional State of Ethiopia

Tadele, Dekebo (Ambo University, 2022-10)

The aim of this study was to determine physicochemical parameters and some selected heavy metals in drinking water in Assela Town, Oromia Regional State, Ethiopia. A total number of three water samples were collected ...
An Electrochemical Detection of Lead and Copper Metals Using Glassy Carbon Electrode Modified with Ag-Cdo/Polyaniline Nanocomposite

Zara, Kombe (Ambo University, 2022-10)

This research work aimed to develop the cost effective, sensitive, precise and adequate techniques equipped with glassy carbon electrode modified with nanocomposite(NCs) for the electrochemical detection of Pb2+ and ...
Bio-synthesis of zinc oxide (ZnO) NPs using ruta chalepenusis leaf extract: its characterization and application as antibacterial

Robalie, Wogi (Ambo University, 2022-10)

The progress of green chemistry in the synthesis of NPs using plant extracts has attracted a great attention currently due to its low cost, simplicity of preparation, non-toxic and environmental friendly process. The ...
Students’ Conceptual Knowledge Development in Two dimensional Kinematics using simulation: a Case of Babicha High School, West Shawa, Oromia, Ethiopia

Girma, Megersa (Ambo University, 2022-12)

The purpose of this study was to investigate the conceptual knowledge development of students’ in two-dimensional kinematics using computer simulation in Babicha Secondary School. A quasi-experimental design was used ...
The photocatalytic degradation of waste water containing organic dyes effluent from Ginchi Paper Factory using polyaniline Treated Ag-CdO Nano particle Surface

Alemi, Amante (Ambo University, 2022-09)

In recent years, environmental pollution is the most important problem to be solved. As an ef ective method to control environmental pollution, semiconductor photocatalyst has been widely studied and applied in the field ...
Poly-Bernoulli Numbers and Polynomials

Addisu, Oljira (Ambo University, 2022-12)

In this paper we consider some generalizations of Poly-Bernoulli numbers and Poly-Bernoulli Poynomials. The generalization is by means of Polylogarithimic functions, Stirling numbers and via weighted Stirling numbers. ...
Determinates that affect the success of football players: the case of some selected oromia league in west shoa zone

Yohannis, Girma (Ambo University, 2022-06)

The purpose of this study was to assess and evaluate the Determinates that affect the success of football players: the case of some selected Oromia league in West Shoa Zone. For the implementation of the Study, a ...
Investigation Of The Electrical Properties Of Sofc Made From Ni_Ysz Anode, Lsm_Ysz Cathode And Ysz Electrolyte

Guta, Gerema (Ambo University, 2022-09)

Solid oxide fuel cells are an environmentally friendly alternative energy source because of their high efficiency. The purpose of this work was to model the electrical properties of SOFC made from NI_YSZ anode, LSM_YSZ ...
Determination of Levels of Selected Physicochemical Parameters and Heavy Metals in Drinking Water of Bichena Town, Amhara Regional State, Ethiopia

Addisu, Wale (Ambo University, 2022-05)

Groundwater is one of the most important sources of drinking tap water in Ethiopia. Hence, it is important to assess the quality of these water sources as it might be contaminated by various human activities. The primary ...
Floristic Composition and Structural Analysis of Langano Forest Nono District, West Shewa Ethiopia

Dejene, Gerema (Ambo University, 2022-02)

A study was conducted to investigate floristc composition and structural analysis of Forest in the central highlands of Ethiopia. Systematic sampling method was used to collect vegetation data from 42 sample plots with ...
Determination Of Levels Of Some Heavy Metals In Water, Soil & Fruit Samples Of Tibila Irrigation Farm, Boset District, East Shoa Zone, Oromia, Ethiopia

Dagnachew, Duguma (Ambo University, 2022-01)

Food contamination by heavy metals has been a major concern in recent years due to their potential to accumulate in bio-systems via contaminated water, and soil. Fruits are an important part of a healthy diet due to their ...
An Optimized Heat Engine Operating Between Finite- Sized Reservoirs

Bulo, Debele (Ambo University, 2022-09)

Thermodynamics of a heat engine running between two reservoirs of finite size and with well defined temperatures that is not in equilibrium. Importantly practical, heat engines that produce useful work often operate ...
Determinants That Affect Football Players Skill Related Physical Fitness Performance Of Oromia League Male Football Clubs In The Case Of West Shoa Zone Ethiopia

Derara, Shifera (2022-11)

The purpose of this study was to investigate the determinants that affect soccer players' skill-related physical fitness performance Oromia league male football clubs, the west Shoa zone, Ethiopia. A descriptive survey ...
Assessing The Effectiveness, Adoption Rate And Technology Gaps Of Household Biogas Technologies In Case Of Dugda Woreda And Adami Tulu Jido Kombolcha Woreda, Oromia Regional State, Eastern Shewa

Marema, File (Ambo University, 2022-11)

In Ethiopia, the national adoption of domestic biogas technology is a relatively new development. As a result, there is a lack of empirical data regarding the effectiveness, adoption rate, and technical gap. Therefore, ...
Modeling The Effect Of Temperature On The Performance Of Silicon Solar Cell

Gobine, Kenea (Ambo University, 2022-10)

In order to meet the demand for clean, affordable energy in the context of environmental concerns, new technologies in energy conversion must be applied because of human re quirements for energy. One of the sources of ...
Practices And Challenges Of Solid Waste Management: A Case Of Burayu Town Oromia National Regional State, Ethiopia

Gebisa, Alemu (Ambo University, 2020-11)

In Ethiopia, the increase of solid waste generation is resulted from rapid urbanization and population booming. The amount of solid waste in the country has been increasing overtime, largely attributable to rapid ...

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