This study investigated the temporal variations of solar UV radiation during Solar
Cycles 23 (1996-2008) and 24 (2009-2020). The broader implications of the UV
irradiance variation for Earth’s atmosphere, climate and ...
This graduate project work focuses on the practical application of Josephson tunneling.
Using the time-dependent Schrödinger equation, we derived the mathematical
expressions for current density (J), phase difference , ...
This study focuses on synthesizing, characterizing, and exploring the electrochemical
properties of resorcinolate, 2,2’-bipyridine, and their Cu(II) metal complexes. Various
techniques such as FT-IR, UV-Vis, ICP-OES, ...
The purpose of this study was to identify and analyze the problems faced by teachers in
teaching mathematics at Adet town administration secondary schools West Gojjam, Amhara
Region, Ethiopia and also to find causes ...
Birds are the most known animals however; the majority of avian species have been threatened
as a result of habitat modifications. The aim of this study was to investigate diversity, relative
abundance and habitat ...
The textile industry is one of those industries that discharges great amounts of effluents with
synthetic dyes into the environment, causing public concern. This study focuses on the
effectiveness of Ethiopian kaolin, a ...
Transition metal complexes are a promising class of compounds as antibacterial
agents for inhibition of bacterial infectious diseases.
This fact drives researchers to dedicate their time, energy, and resources towards ...
In this study, a new Manganese (II) complex with tartaric acid (C
4
H
6
O
) and 1, 10-phenanthroline
(C
12
N
2
H
8
6
) ligands were synthesized and characterized using various Physico-chemical (molar
conductance, ...
This work presents Synthesis, characterization and biological investigation of new mixed complexes of zinc
(II) metal containing resorcinolate ligands. The synthesized complex was characterized by different
analytical ...
The rapid depletion of floral resources in the northern Ethiopian highlands, driven by
anthropogenic activities, has resulted to a significant decline in biodiversity, with some species
on the verge of local extinction. ...
The main purpose of this project is to show the application of fractional calculus on solving
electrical circuit problems. The basic concepts of fractional calculus on solving electrical
RLC circuit problems are justified. ...
Barley, a fundamental cereal grain, is extensively grown for its nutritional advantages and
adaptability in food and beverage manufacturing. Hence, this study aimed at profiling the fatty
acid composition and quantifying ...
The stem bark of Azadirachta indica, one of the most widely distributed plants in tropical and
sub-tropical countries, is used in traditional medicine for treatment of several diseases. This
study was conducted to analyze ...
Traditionally in Ethiopia, Clematis Hirsuta leaves have been utilized to prevent diarrhea, tooth infection,
and gonorrhea. This particular study aimed to examine the phytochemical composition, as well as the
antimicrobial ...
The study intended to investigate the phytochemicals, antioxidant and antibacterial activities of
petroleum ether, chloroform and methanol extracts of C. macrostachyus. The antioxidant activity
was determined by the DPPH ...
In the realm of coordination chemistry, the manipulation of metal ion properties through diverse
ligands is pivotal, encompassing the stabilization of various oxidation states and the adjustment
of solvophilicity, ...
In the realm of coordination chemistry, the manipulation of metal ion properties through diverse
ligands is pivotal, encompassing the stabilization of various oxidation states and the adjustment
of solvophilicity, ...
Ginger (Zingiber officinale) is one of the most versatile medicinal plants that have been a variety
of biological activities due to the presence of large number of bioactive compounds. The present
study is conducted to ...
Actually great distribution and drug resistance of microorganisms is one of our most concern
and serious health problems. Infections from resistance bacteria are now common, and certain
pathogens have developed resistant ...
Dodonaea angustifolia (Kitkita) is one of the most adaptable medicinal plants, possessing a
multitude of bioactive chemicals that allow it to have a broad range of biological actions. The
current study is conducted to ...