ABSTRACT: We prove the existence of an asymptotically stable periodic solution of a system of
delay differential equations with a small time delay τ > 0. To achieve this, we transform the system
of equations into a ...
The chapters in this module are called units. Each unit contains a self - diagnosis, a list of specific objectives, an introduction, the unit text, an overview, questions, and notes, activities written exercises, written ...
Tithonia diversifolia is a tropical woody herb or succulent shrub cultivated in many countries; it’s an annual or perennial medicinal plant that has been a subject of
research due to its various benefi ts in the treatment ...
John Wamumwe Mwangi , Denis Kiragu , Bakari Chaka(2024)
Bioactive compounds and other constituents of plants have been shown to vary by cultivation
region, species, environmental conditions and method of extraction among others. Phytochemical
analysis of Cucurbita pepos farmed ...
Robert W. Nyukuri; Stella C. Kirui; Everlyn Cheramgoi; Elizabeth Chirchir; Ruth Mwale(2014)
This study aimed at determining the phytogeography of stem borer species of Zea mays L. and Sorghum bicolor L. and refugia graminae. It involved two growing gramineous crops: maize Zea mays L. and Sorghum bicolor L. and ...
Robert W. Nyukuri*1 Stella C. Kirui2 , Everlyn Cheramgoi3 , Elizabeth Chirchir 1 and Ruth Mwale4(2014)
This study aimed at determining the phytogeography of stem borer species of Zea mays L. and Sorghum
bicolor L. and refugia graminae. It involved two growing gramineous crops: maize Zea mays L. and
Sorghum bicolor L. and ...
Chiedza F. Munyeza, Aloys M. Osano, Justin K. Maghanga, and Patricia B.C. Forbes(2019)
Abstract: In developing countries, household energy use is highly variable and complex, yet emissions arising from fuel
combustion indoors are typically poorly quantified. Polycyclic aromatic hydrocarbons (PAHs) are emitted ...
Muthui Z. W.1, Kamweru P. K., Nderitu F. G, Hussein S. A. Golicha, Ngumbu R. and Njoroge G. N.(2015)
Polyethylene (PE) films are widely used in packaging. PE is a thermoplastic manufactured from nonrenewable petroleum resources. Due to its non–biodegradability, its films have posed serious pollution problems e.g. visual ...
Samuel Sindayigaya, Nyongesa L. Kennedy, Adu A.M. Wasike(2016)
This paper discusses on simple birth-death-immigration-emigration (BDIE) processes with genocide to stochastic differential equations (SDE) model. The general Solution for the distribution of the size of the population at ...
Fresh water snails of genus Biomphlaria, Bulinus and Ocomelinia are important vectors for human schistosomiasis. Human contact patterns with water infested with cercaria are important factors in transmission of schistosomiasis ...
Purpose
In 2009 we conducted a study to explore Ugandan nurses’ practice of universal precautions while caring for persons living with HIV. During our interviews about universal precautions, nurses’ also shared their ...
Due to challenges of controlling leishmaniasis in Kenya through the vector, the efficacy of pyrethrin EC (Pymos™ 0.6% W/V) a mosquito adulticide was evaluated against Phlebotomus duboscqi while incorporated in sucrose as ...
Kimenyu, PN; Oyaro, N; Chacha, JS; and Tsanuo, MK(2009)
Population in urban centres in Kenya is increasing rapidly due to rural urban migration in search of better paying jobs. This migration has resulted in unauthorized settlements in the various urban centres. The income per ...
This study was done to evaluate three herbaceous plants (Leonotis nepetifolia, Schkuria pinnata and Tagetes erecta) for their use in cultural control of Leptocybe invasa Fisher & La Salle (Hymenoptera: Eulophidae), a gall ...
Harmful effects of synthetic chemical insecticides including vector resistance, environmental pollution and health hazards have necessitated the current significance in the search for plant-based insecticide products that ...
Antitick plants and related ethnoknowledge/ethnopractices with potential for integrated tick control and management strategiesto improve livestock production are reviewed. About 231 plants reviewed showed a variety of ...
Oyaro Nathan; Kimenyu Phylis Njeri; Okong'o Eric Rang’ondi; Chacha Joseph Sarima(2012)
Waste-water from domestic use and from industrial effluent burden the water systems with high levels of heavy metal hence there is need to remove these heavy metals so that the waste water can be recycled for use for ...