School of Science, Technology and Engineering

On Numerical Range of Multiplication Operator

Beatrice, Odero Adhiambo; Agure, J. O; Nyamwala, F. O (International Journal of Mathematical Analysis, 2019)

Let H be an infinite dimensional complex Hilbert space and A, B ∈ B(H) where B(H) is the C ∗ -algebra of all bounded linear operators on H. Let MAB : B(H) → B(H) be a multiplication operator induced by A and B ...

Improving Health Systems:

Otieno, George; Tenambergen, Wanja; Otieno, George Ochieng (International Journal of Computer Applications., 2018-07)

WHO identified six key pillars of an effective health system namely: leadership and governance; service delivery; health workforce; health information systems; medical products, vaccines and technologies and healthcare ...

On Numerical Range of Multiplication Operator

Odero, Beatrice Adhiambo; Agure, J. O.; Nyamwala, F. O. (International Journal of Mathematical Analysis, 2019)

Let H be an infinite dimensional complex Hilbert space and A, B ∈ B(H) where B(H) is the C ∗ -algebra of all bounded linear operators on H. Let MAB : B(H) → B(H) be a multiplication operator induced by A and B defined ...

Diversity of Sorghum (Sorghum bicolor L. Moench) Germplasm from Tanzania

Ringo J.H.; Mneney E. E; Onkware, Augustino; Owuoche J. O; Were B.A; Too E.J; Gudu, Samuel (2014)

Sorghum (Sorghum bicolor L. Moench) is an important cereal crop cultivated in varied agro-ecological zones of Tanzania ranging from the southern highlands to coastal lowlands. Different cultivars and varieties of sorghum ...

Assessment of temporal primary production in tropical inland swamp wetlands of Uasin Gishu County, Kenya

Josephine M. Mulei; Agustino O. Onkware; Donald F. Otieno (J. Wetlands Biodiversity, 2018-07-03)

Wetlands are highly productive ecosystems offering valuable ecosystem and socio-economic services. Worldwide they are threatened by encroachment due to increasing human population. Limited research has been done on the ...

Factors contributing to bacterial diversity and load in Bulawayo restaurants, Zimbabwe

Memory, Chihava Shoko; Sibanda, .N; Sibanda, M.M.; Otieno-Ayayo, Z. Ngalo (Baraton Interdisplinary Research Journal, 2012)

An analysis of factors contributing to bacterial diversity and count was done on Bulawayo restaurants. Focus was on equipment, foods, personnel and working surfaces. Twenty ve restaurants were selected using simple ...

Micronutrient Zinc Deficiency as a Possible Co-factor in the Transmission and Progression of HIV/AIDS in Kenya

Mbakaya, Charles; D Bulimo, Wallace; Jumba, Isaac; Nyambaka, Hudson Nyabuga (2004)

Thirty-four HIVIAIDS patients at various stages of disease progression volunteered to manage their ealth using a nutritional supplement that contained several micronutrients that included a 15 mg daily dose of elemental ...

Selling Sprinkles micronutrient powder reduces anemia, iron deficiency, and vitamin A deficiency in young children in Western Kenya: a cluster-randomized controlled trial

Mbakaya, Charles; Ruth, Laird J; Woodruff, Bradley A; Mandava, Usha; Ayala, Rafael Flores; Jefferds, Maria Elena D; Quick, Robert (2012)

Background: Although the efficacy of micronutrient powders [MNPs; eg, Sprinkles MNP (Sprinkles Global Health Initiative)] in the reduction of anemia has been established, the effectiveness of these powders in real-world ...

Institutional pluralism, access and use of wetland resources in the Nyando Papyrus Wetland, Kenya

Nasongo, A. A Serena; Zaal, Fred; Dietz, Ton; Owuor, J. B. Okeyo (Academic journal, 2005)

Wetlands support livelihoods of communities living around them as in the Nyando Papyrus Wetland in Kenya. The Nyando Papyrus Wetlands provide multiple resources hence there are multiple uses and users who often overlap ...

Larviciding potency of water and ethanol extracts of Phytolacca dodecandra (L’ Herit) on Anopheles gambiae (Diptera: Culicidae)

Jared Owiti, Yugi; Joash Barack, Okeyo Owour; Caleb Auma, Awiti; Jacqueline India, Juma; Pamela, Were Kogogo; Vulule; John, . M (BIO publisher, 2015)

Introduction: Plant extracts are an attractive target for search of effective malaria vector control agents. The reason for this is that they present a cost effective, target specific and bio-degradable insecticides. The ...

Macroinvertebrate-based Index of biotic integrity (M-IBI) for monitoring the Nyando River, Lake Victoria Basin, Kenya

Okoth Raburu, Phillip; Owuor, J. B. Okeyo; Onderi Masese, Frank (Academic journal, 2009-12)

A macroinvertebrate-based Index of Biotic Integrity (M-IBI) was developed to monitor ecological integrity of the Nyando River and its tributaries. Macroinvertebrates were sampled with a scoop net between September and ...

Qualitatative Study and Factors Associated with Home Deliveries and Practices in Kilifi County-Kenya

Mbakaya, Charles; Moindi, Rodgers O.; Nyambati, Venny; Habtu, Michael (2015)

Background: Maternal morbidity and mortality is a global health challenge and majorities are associated with lack of trained supervision at delivery especially in sub-Saharan Africa. In Kenya, according to the demographic ...

Carpet characteristics of eichhornia crassipes [mart.] solms (water hyacinth) in the winam gulf (lake victoria, kenya)

Otieno, Wagai Samuel; Opande, George; Onyango, Charles; Musyimi, David (2017-07-31)

The occurrence and spread of the water hyacinth (Eichhornia crassipes [Mart.] Solms), in the Winam gulf has created numerous attributes to the human population that live around the lake, thereby making its control a ...

Laboratory Mix Design of Cold Bitumen Emulsion Mixtures Incorporating Reclaimed Asphalt and Virgin Aggregates

Shitote, Stanley; Gariy, Zachary C. Abiero; Chelelgo, Kiplagat (2018-12-10)

Bitumen emulsion asphalts, especially those incorporating marginal and secondary aggregates, are energy efficient, environment friendly, and sustainable alternatives to hot-mix asphalts. This study set out to compare ...

Experimental Investigation on Engineering Properties of Concrete Incorporating Reclaimed Asphalt Pavement and Rice Husk Ash

Shitote, Stanley; Getahun, Mulusew Aderaw; Gariy, Zachary C. Abiero (2018-06-11)

Waste generation from agricultural and construction industries is growing at an upsetting rate that causes a heavy burden on landfill facilities. On the other hand, the construction industry is exhausting natural resources ...