Search Results - "Nyarko, B. J. B."

Design and Construction of Pneumatic Transfer System Controller Unit for Ghana MNSR by Amponsah-Abu, E. O., Edziah, Raymond, Nyarko, B. J. B.

“…Pneumatic Transfer System (PTS) is an auxiliary system of Ghana Research Reactor-1 (GHARR-1) used to transfer sample capsule in and out of the reactor…”
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Statistical Evaluation of Environmental Contamination, Distribution and Source Assessment of Heavy Metals (Aluminum, Arsenic, Cadmium, and Mercury) in Some Lagoons and an Estuary Along the Coastal Belt of Ghana by Adokoh, C. K., Obodai, E. A., Essumang, D. K., Serfor-Armah, Y., Nyarko, B. J. B., Asabere-Ameyaw, A.

“…An environmental pollution investigation was carried out to determine the concentrations of aluminum (Al), arsenic (As), cadmium (Cd), and mercury (Hg) (heavy…”
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Levels of arsenic and antimony in water and sediment from Prestea, a gold mining town in Ghana and its environs by SERFOR-ARMAH, Y, NYARKO, B. J. B, ADOTEY, D. K, DAMPARE, S. B, ADOMAKO, D

“…Arsenic and antimony concentrations in water and sediment samples collected from Prestea, a gold mining town in the Western Region of Ghana and its environs…”
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Determination of toxic elements in waters and sediments from River Subin in the Ashanti Region of Ghana by Adomako, D, Nyarko, B. J. B, Dampare, S. B, Serfor-Armah, Y, Osae, S, Fianko, J. R, Akaho, E. H. K

“…Waters and sediments of Subin River, which flows through the industrial and commercial areas of Kumasi in the Ashanti region of Ghana, were geochemically…”
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Biomonitoring of airborne heavy metals along a major road in Accra, Ghana by Affum, H. A, Oduro-Afriyie, K, Nartey, V. K, Adomako, D, Nyarko, B. J. B

“…Lichens collected in an unpolluted forest (background) in November 2004, transplanted at 41 sampling sites along the Madina-Tetteh Quarshie road, retrieved in…”
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Seasonal Trend of Potentially Toxic Trace Elements in Soils Supporting Medicinal Plants in the Eastern Region of Ghana by Dampare, S.B, Ameyaw, Y, Adotey, D.K, Osae, S, Serfor-Armah, Y, Nyarko, B.J.B, Adomako, D

“…Investigation was conducted into the occurrence and extent of potentially toxic heavy metals and/or trace elements in soils from three study areas in the…”
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The impact of small-scale mining activities on the levels of mercury in the environment: The case of Prestea and its environs by Serfor-Armah, Y., Nyarko, B. J. B., Adotey, D. K., Adomako, D., Akaho, E. H. K.

“…To obtain the baseline information of mercury pollution due to gold mining activities in Prestea and its environs total mercury (T-Hg) concentrations were…”
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Dietary supply of selenium for adolescents in three residential care orphanages in Southern Ghana by Adotey, Dennis K., Stibilj, Vekoslava, Serfor-Armah, Yaw, Nyarko, Benjamin J.B., Jaćimović, Radojko

“…Adolescents require optimum dietary supply of the essential trace mineral selenium (Se); however the absence of reliable and accurate data on the dietary…”
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The design of a multisource americium–beryllium (Am–Be) neutron irradiation facility using MCNP for the neutronic performance calculation by Sogbadji, R.B.M., Abrefah, R.G., Nyarko, B.J.B., Akaho, E.H.K., Odoi, H.C., Attakorah-Birinkorang, S.

“…The americium–beryllium neutron irradiation facility at the National Nuclear Research Institute (NNRI), Ghana, was re-designed with four 20Ci sources using…”
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Rhodophyta seaweed species as bioindicators for monitoring toxic element pollutants in the marine ecosystem of Ghana by SERFOR-ARMAH, Y, NYARKO, B. J. B, OSAE, E. K, CARBOO, D, ANIM-SAMPONG, S, SEKU, F

“…Six seaweed species of the Rhodophyta family were sampled for atwo-year period from June 1996 to August 1998 along the Atlanticcoast of Ghana (part of the…”
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Feasibility study for production of I-131 radioisotope using MNSR research reactor by Elom Achoribo, A.S., Akaho, Edward H.K., Nyarko, Benjamin J.B., Osae Shiloh, K.D., Odame Duodu, Godfred, Gibrilla, Abass

“…A feasibility study for 131I production using a Low Power Research Reactor was conducted to predict the yield of 131I by cyclic activation technique. A maximum…”
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Characterization of low power research reactor neutrons for the validation of k(0)-INAA standardization based on k(0)-IAEA software by Baidoo, I K, Nyarko, B J B, Akaho, E H K, Dampare, S B, Sogbadji, R B M, Poku, L O

“…Channel Bsite2 of Ghana research reactor-1 has been characterized for k0-INAA application. Cadmium ratio and bare multi-monitor were used to determine flux…”
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Fuel burnup calculation of Ghana MNSR using ORIGEN2 and REBUS3 codes by Abrefah, R.G., Nyarko, B.J.B., Fletcher, J.J., Akaho, E.H.K.

“…Ghana Research Reactor-1 core is to be converted from HEU fuel to LEU fuel in the near future and managing the spent nuclear fuel is very important. A fuel…”
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Design of an additional safety rod for Ghana Research Reactor-1 using MCNP5 code by Boffie, J., Odoi, H.C., Akaho, E.H.K., Nyarko, B.J.B., Tuffour-Achampong, K.

“…In many licensed reactors, there are both control rods and shutdown or safety rods with the latter specifically designed for rapid shutdown of the chain…”
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Neutron Activation analysis for Dy, Hf, Rb, Sc and Se in some Ghanaian cereals and vegetables using short-lived nuclides and Compton suppression spectrometry by Nyarko, B.J.B., Akaho, E.H.K., Fletcher, J.J., Chatt, A.

“…A pseudo-cyclic instrumental neutron activation analysis (PCINAA) method has been developed to determine selected elements in various types of cereal and…”
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Comparison of the effects of cadmium-shielded and boron carbide-shielded irradiation channel of the Ghana Research Reactor-1 by Abrefah, R.G., Sogbadji, R.B.M., Ampomah-Amoako, E., Birikorang, S.A., Odoi, H.C., Nyarko, B.J.B.

“…The MCNP model for the Ghana Research Reactor-1 (GHARR-1) was redesigned to incorporate cadmium-shielded irradiation channel as well as boron carbide-shielded…”
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Determination of thermal hydraulic data of GHARR-1 under reactivity insertion transients using the PARET/ANL code by Adoo, N.A., Nyarko, B.J.B., Akaho, E.H.K., Alhassan, E., Agbodemegbe, V.Y., Bansah, C.Y., Della, R.

“…The PARET/ANL code has been adapted by the IAEA for testing transient behaviour in research reactors since it provides a coupled thermal hydrodynamic and point…”
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Transient analysis of Ghana Research Reactor-1 using PARET/ANL thermal–hydraulic code by Ampomah-Amoako, E., Akaho, E.H.K., Anim-Sampong, S., Nyarko, B.J.B.

“…PARET/ANL (Version 7.3 of 2007) thermal–hydraulic code was used to perform transient analysis of the Ghana Research Reactor-1. The reactivities inserted were…”
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Design of boron carbide-shielded irradiation channel of the outer irradiation channel of the Ghana Research Reactor-1 using MCNP by Abrefah, R.G., Sogbadji, R.B.M, Ampomah-Amoako, E., Birikorang, S.A., Odoi, H.C., Nyarko, B.J.B

“…The MCNP model for the Ghana Research Reactor-1 was redesigned to incorporate a boron carbide-shielded irradiation channel in one of the outer irradiation…”
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Modeling and simulation of cogeneration nuclear power plant for seawater desalination by Asiedu-Boateng, P., Akaho, E.H.K., Nyarko, B.J.B., Yamoah, S.

“…Nuclear desalination of seawater remains a very viable option to solving the perennial fresh water shortage problem along the coast of Ghana especially as…”
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