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ISSN
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Effects of Sand Quality on Compressive Strength of Concrete: A Case of Nairobi County and Its Environs, Kenya
(Articles)
Hannah Nyambara Ngugi
,
Raphael
Ndisya
Mutuku
,
Zachary Abiero Gariy
Open Journal of Civil Engineering
Vol.4 No.3
,September 18, 2014
DOI:
10.4236/ojce.2014.43022
19,301
Downloads
31,453
Views
Citations
Effect of Iron Powder (Fe
2
O
3
) on Strength, Workability, and Porosity of the Binary Blended Concrete
(Articles)
Moussa Anan Largeau
,
Raphael
Mutuku
,
Joseph Thuo
Open Journal of Civil Engineering
Vol.8 No.4
,November 2, 2018
DOI:
10.4236/ojce.2018.84029
2,003
Downloads
11,135
Views
Citations
Influence of Participatory Project Identification on Community Water Point Projects in Turkana County, Kenya
(Articles)
John Deng Diar Diing
,
Raphael
Ondeko Nyonje
,
John Mwaura Mbugua
,
Kisimbii Johnbosco
Mutuku
Open Journal of Social Sciences
Vol.10 No.3
,March 24, 2022
DOI:
10.4236/jss.2022.103026
174
Downloads
1,285
Views
Citations
Government Expenditure and Quality of Education: A Case of Public Primary Schools in Kenya
(Articles)
Stephen
Mutuku
,
Julius Korir
Modern Economy
Vol.10 No.12
,December 31, 2019
DOI:
10.4236/me.2019.1012152
969
Downloads
3,278
Views
Citations
The Effect of the Operational Parameters on the Draft Requirement of Ripping in a Sandy Clay Soil
(Articles)
John
Ndisya
,
Ayub Gitau
,
Duncan Mbuge
,
Angela Hiuhu
Open Journal of Optimization
Vol.5 No.1
,March 3, 2016
DOI:
10.4236/ojop.2016.51001
2,820
Downloads
3,816
Views
Citations
Cross-Correlation of Station-to-Station Free Surface Elevation Time Series for Breaking Water Waves
(Articles)
Raphael
Mukaro
Applied Mathematics
Vol.9 No.2
,February 28, 2018
DOI:
10.4236/am.2018.92010
875
Downloads
1,950
Views
Citations
Fusion of Model-Based and Data Driven Based Fault Diagnostic Methods for Railway Vehicle Suspension
(Articles)
Abdulai Ayirebi Ankrah
,
James Kuria Kimotho
,
Onesmus
Mutuku
Muvengei
Journal of Intelligent Learning Systems and Applications
Vol.12 No.3
,August 13, 2020
DOI:
10.4236/jilsa.2020.123004
860
Downloads
2,589
Views
Citations
Experimental Study of the Motion Modes of a Planar Mechanical System with Multi-Clearance Revolute Joints
(Articles)
Kifatsoa Kolani
,
Mutuku
Muvengei
,
Joshua Ngoret
,
James Kimotho
Open Journal of Applied Sciences
Vol.13 No.11
,November 24, 2023
DOI:
10.4236/ojapps.2023.1311158
52
Downloads
206
Views
Citations
Optimization of the Angle of Frog in Mouldboard Tillage Operations in Sandy Clay Soil
(Articles)
Angela Hiuhu
,
Ayub Njoroge Gitau
,
Duncan Onyango Mbuge
,
John
Ndisya
Mulwa
Open Journal of Optimization
Vol.4 No.4
,December 11, 2015
DOI:
10.4236/ojop.2015.44013
4,023
Downloads
5,226
Views
Citations
Optimization of an Ammonia Synthesis Converter
(Articles)
Jackson Gunorubon Akpa
,
Nwokoma
Raphael
Raphael
World Journal of Engineering and Technology
Vol.2 No.4
,November 21, 2014
DOI:
10.4236/wjet.2014.24032
8,203
Downloads
11,616
Views
Citations
Sponsor-investigator-relationship: challenges, recent regulatory developments and future legislative trends
(Articles)
Raphael
Richard Ciuman
Health
Vol.3 No.12
,December 8, 2011
DOI:
10.4236/health.2011.312128
6,158
Downloads
11,282
Views
Citations
Corrosion Studies on Stainless Steel (FE6956) in Hydrochloric Acid Solution
(Articles)
Raphael
Shadai Oguike
Advances in Materials Physics and Chemistry
Vol.4 No.8
,August 18, 2014
DOI:
10.4236/ampc.2014.48018
8,188
Downloads
12,889
Views
Citations
Disclosing Parental Human Immunodeficiency Virus (HIV) Status to Children in Ghana: Reasons for and against Disclosure and Effects of Decision
(Articles)
Raphael
Avornyo
,
John Amoah
Advances in Applied Sociology
Vol.4 No.9
,September 25, 2014
DOI:
10.4236/aasoci.2014.49025
2,851
Downloads
3,680
Views
Citations
Neonatal Risks of Vitamin D and Iodin Supplementations during Pregnancy
(Articles)
Catherine Lecoq
,
Raphael
Serreau
Open Journal of Obstetrics and Gynecology
Vol.9 No.11
,November 7, 2019
DOI:
10.4236/ojog.2019.911140
760
Downloads
1,855
Views
Citations
Factors Influencing Academic Aspiration of Females in Ezeagu Local Government Area of Enugu State
(Articles)
Raphael
I. Ngwoke
Open Journal of Social Sciences
Vol.8 No.3
,March 25, 2020
DOI:
10.4236/jss.2020.83028
333
Downloads
1,114
Views
Citations
Understanding Human Body Maintenance, Protection, and Modification: Antibodies, Genetics, Stem Cells and Connected Artificial Intelligence Applications—Where Are We?
(Articles)
Raphael
R. Ciuman
Health
Vol.13 No.7
,July 21, 2021
DOI:
10.4236/health.2021.137059
222
Downloads
887
Views
Citations
Coercion
(Articles)
Raphael
Cohen-Almagor
Open Journal of Philosophy
Vol.11 No.3
,August 24, 2021
DOI:
10.4236/ojpp.2021.113027
172
Downloads
2,467
Views
Citations
Performance of Visually Impaired Learners: Narok Integrated Program for the Visually Impaired in Kenya
(Articles)
Raphael
Birya
,
Elizabeth Kalu
Open Journal of Social Sciences
Vol.10 No.5
,May 25, 2022
DOI:
10.4236/jss.2022.105019
102
Downloads
657
Views
Citations
Gestational Diabetes Mellitus and Its Associated Risk Factors in Pregnant Women at Selected Health Facilities in Kigali City, Rwanda
(Articles)
Jean Baptsite Niyibizi
,
Florien Safari
,
Jean Bosco Ahishakiye
,
Jean Bosco Habimana
,
Herbert Mapira
,
Ngule Chrispus
Mutuku
Journal of Diabetes Mellitus
Vol.6 No.4
,November 2, 2016
DOI:
10.4236/jdm.2016.64028
2,896
Downloads
9,078
Views
Citations
Mathematical Modelling of Diabetes under a Constrained Hospitalisation Resources
(Articles)
Robert N. Andima
,
Winifred N.
Mutuku
,
Nyabadza Farai
,
Kennedy Awuor
,
Abayomi Samuel Oke
Open Access Library Journal
Vol.9 No.10
,October 25, 2022
DOI:
10.4236/oalib.1109371
72
Downloads
527
Views
Citations
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