The principal purpose of this thesis is to extend results from reverse derivation prime rings to generalized
reverse derivations on prime near rings in the setting of semigroup ideals and discuss conditions under
which ...
In this thesis a deterministic mathematical model for COVID-19 with double dose vac-
cination is developed and analyzed by using Modi ed Adomian Decomposition Method
(MADM). To conduct the objective, secondary recent ...
In this thesis, a new deterministic model for the Dengue disease is developed and
analyzed with the homotopy perturbation transform method. The model comprises
six compartments namely human population susceptible class ...
Dina Abdela Ali; Dr. ManikandanMuthuswamy; Dr. MeseretChimdessa(Haramaya University, 2023-02)
Bio-fuel production from agricultural, municipal, and industrial wastes through anaerobic
digestion is meant for sustainable energy supply and eco-friendly waste management.
Therefore, the objective of this study was ...
Birhanu Getie Taye; Dr. Meseret Chimdessa; Dr. Manikandan Muthuswamy(Haramaya University, 2021-09)
The study was conducted in Getta district with the objective of assessing home garden
practices and plant species diversity. From purposively selected sample Kebeles', random
sampling method and selection of key ...
Teshale Areda; Meseret Chimdessa (Ph.D.); Mulugeta Desta (Ph.D.)(Haramaya University, 2021-11)
Large proportions of the world’s population use traditional medicinal plants to treat various
diseases. Brucea antidysenterica and Tagetes minuta are one of the most common medicinal
plants used to treat infectious ...
Biogas production is one of the technologies that can overcome the problems related to
energy Crisis. Therefore, this research was conducted to investigate the biogas production
potential of Xanthium strumarium leaves ...
Bacterial meningitis caused by Neisseria meningitides (Nm) is of particular concern due to its
potential to cause large epidemics, causing severe brain damage and fatality. Meningitis can
occur at any age but it has ...
Salahadin Abdella Usman; Dr. J. M. Sasikumar; Dr. Ameha Kebede(Haramaya University, 2022-03)
Green nanoparticle synthesis techniques for various biological activities and medical
applications are desired because of their bio-compatibilit. Hence, in this study, silver
nanoparticles (AgNPs) were synthesized using ...
Vernonia leaf scientifically known as Vernonia amygdalina, of Asteraceae family is one of
the traditional medicinal plants used found in Africa and Asia. Thus, the objective of the
study was to investigate major secondary ...
In developing countries, the value of traditional medicinal plant species gaining popularity as it is inexpensive compared to the modern health services. Hence, the purpose of this study was to identify traditional medicinal ...
Grapes (Vitis vinifera L.) are among the most widely consumed fruits for its asociated health benefits. Endophytic fungi are groups of fungi with very specific ecosystem inside plant tissues and produces varieties of ...
Water is one of the most valuable natural resources, an essential element for life development and human activities (Romeu-Álvarez et al., 2012). The generation of recent information about both the water quality status and ...
TOLOSA GUTA TUMSA; Mulugeta Desta (PhD); Zekeria Yusuf (PhD)(HARAMAYA UNIVERSITY, 2022)
Pectinase is a heterogeneous group of enzyme which hydrolyzes pectin. Fungi and actinomycetes have ability to produce a large amount of industrial enzymes. Therefore the present study was undertaken production of pectinolytic ...
Renewable resources play a significant role in reducing carbon dioxide emissions around the world, and with this in mind, biomass and waste is a candidate to be one of the most widely utilized renewable energy resources. ...
Energy is one of the most important factors for human development and global economic
growth. Renewable energy techniques give a great opportunity for the reduction of greenhouse
gas emissions and decreasing global ...
In this work, an approach based on quantum chemistry the electronic structures and opto electronic properties of Vinyl fused benzoxazole with a variety of organic donor accepter
materials based on vinyl fused monomeric ...
Mechalu Abebe Adose; Boobalan Maria Susai (PhD); Endale Teju (PhD)(Haramaya University, 2022-05)
Organic semiconductors are new important technologies for large-area and flexible thin-film
electronics. They are deposited into electronic devices to enhance their overall performance
and efficiency. Therefore, studying ...
Forests globally are known to be critically important habitats for the biodiversity they
contain and for the ecological functions they serve. The study was conducted to assess the
floristic composition, population ...
Lencho Mohammed Mumed; Deribachew Bekana (PhD); Endale Teju (PhD); Meseret Amde (PhD)(Haramaya University, 2022-05)
In this study, magnetic Cu-organic frameworks (MCu-MOFs) were synthesized and used
as a sorbent for magnetic solid phase extraction (MSPE) of two phthalates in plastic
bottled waters. The as-synthesized materials were ...