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Now showing items 21-30 of 64
A Classification Model for Water Quality analysis Using Decision Tree
(2019-06)
A classification algorithm is used to assign predefined classes to test instances
for evaluation) or future instances to an application). This study presents a Classification
model using decision tree for the purpose of ...
Learner support system and academic performance of distance learning students in selected Kenyan public universities
(University of Pretoria, 2019)
Distance learning is a mode of study globally accepted as a tool for enhancing access, equity and
quality in education. The Kenyan Government has put in place mechanisms to promote open and
distance learning practices ...
Student-Teachers’ Acquisition of New Knowledge Teaching Practice Exercise. A Case of University of Embu
(Machakos University, 2019-04)
Teaching practice gives student -teachers an opportunity to apply theoretical knowledge into
practical knowledge. The student- teacher is able to interact with school administration, teachers
and learners as well as non- ...
Review of Carbonation Resistance in Hydrated Cement Based Materials
(Hindawi, 2019-01)
Blended cements are preferred to Ordinary Portland Cement (OPC) in construction industry due to costs and technological and
environmental benefits associated with them. Prevalence of significant quantities of carbon dioxide ...
Influence of Lysinibacillus sphaericus on compressive strength and water sorptivity in microbial cement mortar
(Elsevier, 2019-11)
Cement structures are subject to degradation either by aggressive media or development of micro/macro cracks
which create external substance ingress pathways. Microbiocementation can be employed as a self-intelligent
solution ...
Effects of biocementation on some properties of cement-based materials incorporating Bacillus Species bacteria – a review
(Taylor and Francis, 2019-11)
There is a growing need in the construction industry to improve transfer and
durability aspects of Portland pozzolana cement. Ureolytic bacteria have recently
emerged as potential micro-organisms well known for precipitation ...
Survey on Nanotechnology
(2019-07)
Nanotechnology is a field where scientific knowledge and ideas emanating from the sub-atomic, atomic and molecular levels are
applied in the manufacture of new and smart materials. Nanotechnology makes use of the novel ...
Cramer-Rao Bound of Direction Finding Using a Uniform Hexagonal Array
(2019-06)
Direction-of-arrival (DOA) estimation is a key area of sensor array processing which is encountered
in many important engineering applications. Although various studies have focused on the uniform
hexagonal array for ...
Crame´R-Rao Bound of Direction Finding using Uniform Circular Array And 2-Circle Concentric Uniform Array
(2019-09)
Source direction-of-arrival estimation problem has received much attention in recent years
following its significant role in array-signal processing and wide range of applications such
as radar, wireless communication, ...
Multinomial Logistic Modelling of Socio-Economic Factors Influencing Spending Behavior of University Students
(2019-06)
This study aims at determining the use of Multinomial Logistic Regression (MLR) model which is one of
the important methods for categorical data analysis. This model particularly deals with one nominal or
ordinal response ...