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All published articles 989

Review on Optimal Siting of Electric Vehicle Charging Infrastructure

Ahmadu Adamu Galadima, Tahir Aja Zarma & Maruf A. Aminu · Journal of Scientific Research and Reports · 2019

Concerns about the need for clean energy and the need to reduce green-house gases have led researchers and engineers to explore adoption of electric vehicle technology. Electric vehicles hold a promising future due to their efficiency, low maintenance cost and zero carbon emissio...

Open access Research Article 10.9734/jsrr/2019/v25i1-230175

Modeling Tree Mortality for Eucalyptus camaldulensis (Dehnh) Stands in Afaka Forest Reserve, Kaduna-Nigeria

B. Abubakar, S. B. Shamaki, A. Dantani, Z. Y. Gada & M. A. Gupa · Journal of Scientific Research and Reports · 2019

This research was conducted to investigate mortality using logistic regression (Models) for River red-gum (Eucalyptud camaldulensis Dehnh) in Afaka Forest Reserve, Kaduna, Nigeria. Stratified random sampling and proportional sampling allocation were used in selecting plots and in...

Open access Research Article 10.9734/jsrr/2019/v25i1-230173

Sewage Sludge as Fertilizer in Soybean Cultivation

Luan Danilo Ferreira de Andrade Melo, João Luciano de Andrade Melo Junior, Edilma Pereira Gonçalves, Jeandson Silva Viana, Priscila Cordeiro Souto, Vilma Marques Ferreira, João Correia de Araújo Neto & Reinaldo de Alencar Paes · Journal of Scientific Research and Reports · 2019

The objective of the present study was to evaluate the effects of the application of treated sewage sludge on the initial development of soybean plants (Glycine max L.). Seven treatments were used: (T1) only the soil (absolute control); (T2) soil + residue at the dose of 5.0 g/dm...

Open access Research Article 10.9734/jsrr/2019/v24i630172

Review of Motors for Electric Vehicles

Tahir Aja Zarma, Ahmadu Adamu Galadima & Maruf A. Aminu · Journal of Scientific Research and Reports · 2019

The need for clean energy and removal of toxic emission from internal combustion engines have led researchers and engineers into exploring and developing new drive systems. The development of hybrid cars has greatly reduced the emission level of vehicles. However, this is not eno...

Open access Research Article 10.9734/jsrr/2019/v24i630170

The Role of Urban Planning in Solar Energy

B. Yelmen, H. H. Sahin & M. T. Çakir · Journal of Scientific Research and Reports · 2019

Since the last quarter of the 20th-century technological advances and energy production and consumption processes in Parallel with the increasing urbanization of the world's energy demand, however, it raises ecological problems. Since the nineties, reducing the pressure on the ec...

Open access Research Article 10.9734/jsrr/2019/v24i630169

Concentration of Selected Heavy Metals in Soil and Edible Vegetables in Obanliku Urban Area of Cross River State, Nigeria

Michael Akomaye Akpe, Joseph Odey & John Akwagiobe Agwupuye · Journal of Scientific Research and Reports · 2019

The soil and edible vegetable samples were collected from Obanliku Urban Area of Cross River State and were digested and analyzed for the cadmium (Cd), chromium (Cr), iron (Fe) and mercury (Hg) (heavy metals) concentration using Flame Atomic Absorption Spectrometer (AAS) in Chemi...

Open access Research Article 10.9734/jsrr/2019/v24i630171

Modelling of Instructors Publication Factors in Ethiopia Public Universities: Advanced Count Regression Models

Alebachew Abebe · Journal of Scientific Research and Reports · 2019

Instructors’ publication (IP) is one of the major activity in higher education institutes. Currently, IP faced problem both high prevalence and severity in Ethiopia public universities. Even if the problem is common to both developed and developing countries, about 352 (73.9 %) o...

Open access Research Article 10.9734/jsrr/2019/v24i630168

Evaluation of the Trend of CD4 Cell Count Over Time in Case of HIV/AIDS Patients under ART Follow-up

Kabtamu Tolosie Gergiso & Markos Abiso Erango · Journal of Scientific Research and Reports · 2019

Background: Globally 36.7 million people living with HIV, 1.8 million new HIV infection, and 1 million AIDS-related deaths in 2016.Patient mortality was high during the first 6 months after therapy for all patient subgroups and exceeded 40 per 100 patient years among patients who...

Open access Research Article 10.9734/jsrr/2019/v24i530167

Transient Stability Improvement on Jos – Gombe 330kV Line Using Static Var Compensator

Joseph F. Udo & Maruf A. Aminu · Journal of Scientific Research and Reports · 2019

In this paper, the result of a study carried out to determine the impact of static VAr compensator on voltage profiles and reactive power flow in the Nigerian 330kV transmission grid network is presented. The research seeks to mitigate the challenge of high reactive power on Jos...

Open access Research Article 10.9734/jsrr/2019/v24i530166

Pesticide Residue Levels in Soil, Water, Kales and Tomatoes in Ewaso Narok Wetland, Laikipia, County, Kenya

Peter Ngolo, Mildred Nawiri, Alex Machocho & Helida Oyieke · Journal of Scientific Research and Reports · 2019

Soil, water, kales and tomatoes from Ewaso Narok wetland were collected during wet and dry seasons and analyzed for 15 pesticide residues. Multi-residues method (QuEChERS EN) was used for sample preparation and Liquid chromatography-tandem mass spectrometry (LC-MS/MS) used for an...

Open access Research Article 10.9734/jsrr/2019/v24i530165

Annual Effective Dose and Lifetime Cancer Risks Due to Natural Radioactivity in Hand –Dug Well Water of Tai Rivers State, Nigeria

C. P. Ononugbo & N. N. Ndodo · Journal of Scientific Research and Reports · 2019

The presence of radionuclide in water poses a number of health hazards, especially when the radionuclide is deposited in the human body through drinking water. The aim of this study was to evaluate natural radioactivity and its associated health risk in hand dug well water of Tai...

Open access Research Article 10.9734/jsrr/2019/v24i530164

Conceptual Design and Finite Element Analysis of a Five-Minute Mini D.C Powered Air Compressor for Inflating Automobile Tyres

Peter Kayode Farayibi, Oluwole Timothy Ojo & Oluwajuwon Oluwagbemisola Caleb · Journal of Scientific Research and Reports · 2019

In this study, a Five-minute DC powered tyre inflator has been successfully designed. The machine was designed to satisfy a tyre specification of R205/65R15 95H because it is widely used by both private and commercial vehicle users. The design has two units; the compressor side a...

Open access Research Article 10.9734/JSRR/2018/46575

Occurrence and Antibiotic Profile of Some Enteric Bacteria in Retailed Sachet Water Sold in Oluponna, Osun State, Nigeria

Olayinka O. Elutade, Victory T. Emmanuel & Omowumi T. Akinola · Journal of Scientific Research and Reports · 2019

The research reports the occurrence and antibiogram pattern of the pathogenic organisms Shigella spp., Salmonella spp. and Escherichia coli in retailed sachet water to assess their microbial quality and potential health impact on consumers. A total of 50 sachet water, consisting...

Open access Research Article 10.9734/JSRR/2018/46568

Appraising of Air Conditional System Condensate Discharge Rate in Southwest, Nigeria

O. S. Bamisaye, P. K. Oke & U. A. Essien · Journal of Scientific Research and Reports · 2019

Aims: The aim of this research is to ascertain the condensate discharge rate from a split air conditional system with a view to channeling the condensate into a storage tank for other useful purposes. Study Design: Quantitative study. Relevant data on condensate discharge rate wa...

Open access Research Article 10.9734/JSRR/2018/45470