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
In this work, 1-(4-methylsulfonyl phenyl)-3-(4-N, N dimethyl amino phenyl)-2-propen-1-one (MSPPP) chalcone was synthesized and examined as optical materials. The absorption and fluorescence characteristics of MSPPP chalcone were recorded in ten different solvents. The influence o...
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Research Article10.9734/ajopacs/2021/v9i130128
In this study, Ag–TiO2 was synthesized by reducing AgNO3. AgNO3 and anatase TiO2 nanoparticles (NPs) were boiled with sodium citrate, resulting in the reduction of Ag. Ag was used to coat the anatase TiO2 NP surfaces. At this stage, the assembly reaction on the anatase TiO2 surfa...
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Research Article10.9734/ajopacs/2021/v9i130127
In this prelude study, the gellan gum/kenaf core fiber (KCF) biocomposite films were fabricated with the addition of imidazolium-based ionic liquids such as 1-butyl-3-methylimidazolium chloride (Bmim Cl), 1,3-dimethylimidazolium methylsulphate (Dmim MeSO4), 1-ethyl-3-methylimidaz...
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Research Article10.9734/ajopacs/2021/v9i130126
Karina Milagros R. Cui- Lim, Judy Ann H. Brensis, Flyndon Mark S. Dagalea, Marlon John M. Bangco, Maria Rosabel Castillo, Hannah G. Pulga, Mark Gil M. Cruz, Jaymar L. Erivera, Feraldine M. Chiquito, Tom Jericho L. Abobo, Mary Jane Madario & Cherry I. Ultra·Asian Journal of Physical and Chemical Sciences·2020
Northern Samar is abundant when it comes to nipa resource which has a big potential as a raw material for ethanol. Utilization of nipa in Northern Samar is not optimal due to low interest and ability to process into useful products. The main aim of the study is to extract ethanol...
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Research Article10.9734/ajopacs/2020/v8i430125
This work presents the results on the preparation of new readily available zirconium-containing arylimine complex catalytic systems and their application together with metallocenes in ethylene polymerization. For this purpose, zirconium complexes with grafted ionic liquid type li...
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Research Article10.9734/ajopacs/2020/v8i430124
Chemical adsorption of anatase TiO2, silver nanoparticles (Ag NPs), and Cu particles (Cu Ps) on aluminum (Al) surface yielded an active surface-enhanced Raman scattering (SERS) substrate. TiO2 is known to reduce both silver (Ag) and copper (Cu). In an oxidizing environment, Ag NP...
Open access
Research Article10.9734/ajopacs/2020/v8i430123
Potassium (K) is the third most important major plant nutrient with numerous functions. The availability of K depends on concentration relative to that of Ca2+ and Mg2+ than on the total quantity of K present. The level of extraction of K by different extractants followed the ord...
Open access
Research Article10.9734/ajopacs/2020/v8i430122
Magnetic skarn ore (MSO) is one of the major copper bearing ore extracted by the Ok Tedi Copper Mine in Papua New Guinea (PNG). Copper minerals are recovered by flotation while the iron not associated with copper are discarded as tailings. The objective of this investigation was...
Open access
Research Article10.9734/ajopacs/2020/v8i430121