Aim: This research work aimed to determine the concentrations of some heavy and precious metals from printed circuit board (PCB) of a television set using Atomic Absorption Spectrophotometer (AAS) in order to identify elements with higher concentration as target source of raw mat...
Open access
Research Article10.9734/ajopacs/2021/v9i430143
A heterocyclic organic compound of 3-[(2z)-2-methyl-3-(4-nitrophenyl) prop-2-enoyl]-2H-(1-benzopyran-2-one) (MNB) is synthesized using Claisen-Schmidth condensation reaction. Structural characterization and presence of functional groups are carried out using powder X-ray diffract...
Open access
Research Article10.9734/ajopacs/2021/v9i430142
Background ionizing radiation around Lead/Zinc mining sites at Ishiagu, Ebonyi State was carried out using appropriate equipment. The background ionizing radiation of the environment was determined by measuring the radiation exposure rates using Radalert-200 and Geographical Posi...
Open access
Research Article10.9734/ajopacs/2021/v9i430141
Human are exposed to Background Ionizing radiation (BIR) due to the consumption of crops from fertilized farms within the study area.an in-situ measurement of BIR exposure rate in six fertilized farms and the unfertilized farm aws carried out using a well calibrated portable nucl...
Open access
Research Article10.9734/ajopacs/2021/v9i230135
This article is devoted to the study of the mechanical and water properties of concrete of Typha australis. The concrete is achieved by the mixture cattail aggregates with cement, sand and water. Mechanical study showed that the density and the mechanical compressive stre...
Open access
Research Article10.9734/ajopacs/2021/v9i230134
Evaluation of indoor radon level and its health risk parameters has been carried out in three communities Azuabie, Trans-Amadi and Nkpogu towns in Port Harcourt, Rivers State, Nigeria. A pocket sized Corentium Arthings digital radon detector meter was used to record the indoor ra...
Open access
Research Article10.9734/ajopacs/2021/v9i230133
The petroleum industry includes the global processes of exploration, extraction, refining, transportation and marketing of natural gas, crude oil and refined petroleum products. The oil industry demands more sophisticated methods for the exploitation of petroleum. As a result, th...
Open access
Research Article10.9734/ajopacs/2021/v9i230132
Based on the Gravito-Electro-Magnetic (GEM) equations as another form (for low fields) of Einstein's Equations of General Relativity Theory (GRT) an equation is derived for the total energy density in the universe, including the gravitational fields, the contribution thereof is a...
Open access
Research Article10.9734/ajopacs/2021/v9i230131
Aim: The amount of waste tire generated constantly in the modern society is on a rapid increase due to the world’s urbanization, industrialization and population increase. This research was conducted to recover useful products from waste tyre and harness the possibility of using...
Open access
Research Article10.9734/ajopacs/2021/v9i130130
The present study focuses on the non-linear stability in the transient rotary regime of the cooking process of gari. The process of cooking gari consists of a rotating rectangular cavity filled with grated cassava flour, pressed, retted and considered to be an anisotropic porous...
Open access
Research Article10.9734/ajopacs/2021/v9i130129