Results 41 to 50 of about 705,997 (241)
Removal of heavy metal ions by blended periwinkle shells
Global Journal of Pure and Applied Sciences, 2006 No Abstract. Global Journal of Pure and Applied Sciences Vol.
Okuo, James M., P.O. Okolo
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OPTIMISATION OF COMPRESSIVE STRENGTH OF PERIWINKLE SHELL AGGREGATE CONCRETE
Nigerian Journal of Technology, 2016 In this paper, a regression model is developed to predict and optimise the compressive strength of periwinkle shell aggregate concrete using Scheffe’s regression theory. The results obtained from the derived regression model agreed favourably with the experimental data.
Egamana, S, Sule, S
openaire +3 more sources
Effect of sisal fibre on partially replaced cement with Periwinkles Shell Ash (PSA) concrete
Journal of Applied Sciences and Environmental Management, 2019 An investigation on the effect of sisal fiber on partially replaced cement with Periwinkle Shell Ash in Concrete was carried out. Sisal fiber of 40mm length which forms 1% of the mix by weight with Periwinkle shell Ash as a partial replacement for ...
J.O. Afolayan, U.N. Wilson, B Zaphaniah
doaj +1 more source
Texas coastal zone biotopes : an ecography : interim report for the Bay and Estuary Management Program (CRMP) [PDF]
, 1972 November 1972Because esthetics, biological environment and physiography are so interrelated and have changeable meanings in various environments, we are obligated to think of the environment in terms of biological change, as environmental protection is ...
Gordon, Kennith G. (Kennith Glenn), 1930- +1 more
core +1 more source
Cogent Engineering, 2021 Nigerian bentonite has low fluid loss control and poor rheological properties which are key API specifications. Foreign and imported bentonites are sodium-based, while local bentonites are calcium-based, and there is a need for beneficiation.
Igwilo K. Chinwuba +4 more
doaj +1 more source
Influence of mollusk species on marine DELTA R determinations [PDF]
, 2005 Radiocarbon ages were measured on replicate samples of burnt grain and 5 mollusk species collected from a single sealed layer at an archaeological site (Hornish Point) on the west coast of South Uist, Scotland.
Ascough, P.L. +4 more
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Journal of Taibah University for Science, 2018 The use of natural fillers in plastics to substitute conventional synthetic fibres is effective and economical. Eco-friendly bio-composites polypropylene matrix composites reinforced with blended carbonized Terminalia catappa (almond) shell particles and
Stephen Durowaye +3 more
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Photoadsorption and reaction mechanism of periwinkle shell ash in the removal of hazardous dye
Water practice and technology, 2023 Combined adsorption and photocatalysis synergy was explored in this research because the porosity of activated carbon and hydroxyl radicals' generation are the main drivers of the adsorption and photodecomposition efficiency of dyes.
A. Nkwoada +3 more
semanticscholar +1 more source
The structure and function of adhesive gels from invertebrates [PDF]
, 2002 SYNOPSIS. Many marine invertebrates form strong, temporary attachments using viscoelastic gels. To better understand these adhesives, an analysis of what is known of gel structure and function was performed.
Andrew M. Smith
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Proceedings of the Nigerian Academy of Science, 2023 This paper details the effect of adsorption variables on the removal of cadmium ions from wastewater using activated periwinkle shell. The periwinkle shells were carbonized for 1.5h for 900oC, and activated using HNO3 and calcium chloride solution.
C. Nworie +3 more
semanticscholar +1 more source