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INTERNATIONAL JOURNAL OF NATURAL AND APPLIED SCIENCES

VOLUME 2. NO.1

Gender-labour implications for food crop production: evidence from farm households in Kaduna State of Nigeria. – S. A. Rahman, N. D. Marcus and J. I. Usman

ABSTRACT Despite the important roles that women play in farm and household production, they have not been given due recognition ...
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Biodeterioration of palm oils from dura and tenera varieties of oil palm (Elaeis guineensis) jacquin by fungi. – U. N. Ekwenye and G. S. C. Okpokwasili

ABSTRACT Palm oils extracted from dura and tenera varieties of the oil palm (Elaeis guineensis) were examined for their stability ...
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Bioconversion of water hyacinth lignocellulose into feed supplement by lignocellulolytic streptomyces. – C. A Etok and S. P. Antai

ABSTRACT The bio-conversion of Eichhornia crassipes (MART) (water hyacinth) into feed supplement by some Streptomyces species isolated from compost dump ...
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Extraction and physicochemical characterization of oil and proximate composition of Poga oleosa seeds. – M. E. Kooffreh, E. B. Ikor and E.C . Okpako

ABSTRACT The proximate composition analysis using the standard method of analysis of the A.O.A.C (1979) showed that Poga oleosa seeds ...
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Phytoplankton community response to increase petroleum hydrocarbon in Niger delta estuaries, southern Nigeria. – I. Ewa-Oboho, O. Oladimeji, F. E. Asuquo1and E. I. Oboho

ABSTRACT Phytoplankton communities from eight estuaries of the Niger delta (S. Nigeria) covering a range of oil and grease (total ...
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Effect of genotype on growth and yield of sweet potato (Ipomoea batatas) (L.) Lam.) in Jos-Plateau, Nigeria. – O. A. T. Namo and O. P. Ifenkwe.

ABSTRACT Two field experiments were conducted during the 2000 and 2001 cropping seasons at the Vom Garden of the Plateau ...
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Time course of production of pectolytic enzymes by pathotypes of choanephora cucurbitarum. – E. J. Umana , B. E. Madunagu, S. E. Udo2 and A. A . Markson

ABSTRACT The in vitro and in vivo production of pectolytic enzymes by three pathotypess of Choanephora cucurbitrarum isolated from Amaranthus ...
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Isotopic composition of groundwater of a semi-arid carbonate terrain, Sokoto basin, Nigeria. – S. A .Alagbe, K. Schoeneich and E. C. Ike

ABSTRACT A study of the origin and recharge of groundwater in the semi-arid carbonate terrain, Sokoto Basin, northwestern Nigeria was ...
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Assessment of the impact of contaminated soils from petroleum storage facilities on groundwater using column leaching experiment. – T. N. Nganje, A. E. Edet, S. J. Ekwere and A. N. Ugbaja

ABSTRACT In this study, the column leaching experiment was used to assess the impact of contaminated soils from petroleum handling ...
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A simple review of amplitude variation with offset (AVO) analysis as a direct gas indicator (DGI). – O. O. Olagundoye, C. S. Okereke, E. U. Egeh and D. A. Obi

ABSTRACT A major risk in the use of the Bright Spot Technique in natural gas detection is the possibility that ...
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Effect of faecal waste on groundwater quality in Calabar South Local Government Area of Cross River State, southern Nigeria: a guide for water quality assessment in environmental monitoring. – A. N. Ugbaja, T. N. Nganje and I. E.Bassey

ABSTRACT Physico-chemical and bacteriological analyses were conducted on eight discharging wells/borehole in Calabar South L.G.A, Southeastern. Nigeria for two season ...
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An ARIMA model for Nigerian aviation traffic data. – E. H. Etuk, C. E. Onwukwe, I. E. Egong and J. N. Ezeorah

ABSTRACT The Nigerian aviation data has been analyzed by traditional time series methods. These methods are getting out of fashion ...
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On step-by-step approximation of linear delay differential equation. – D. K. Igobi, C. E. Onwukwe and I. E. Egong

ABSTRACT A new numerical method of solving linear delay differential equations based on the concept of step-by-step approximation of the ...
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Shortest path (route) determination in telecommunication network systems in Nigeria. – O. A. Ofem and E. E. Williams

ABSTRACT An algorithm that is designed essentially to find a path of minimum length between two specified vertices of a ...
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Estimation in two-stage sampling of equal clusters with subsampling the nonrespondents. – G. A. Udofia

ABSTRACT We consider estimation of the mean and variance in two-stage sampling of equal clusters with large sizes. The subgroups ...
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Super convergent line series’ approach in solving linear programming problems. – T. A. Ugbe, S. S. Akpan and M. E. Udo

ABSTRACT The solutions of linear programming problems using super convergent line series’ approach is considered in this paper. It is ...
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Deductive enterprise model (DEM): a better approach to enterprise modeling. – E. E. Williams, P. C. Bassey and B. O. Akinkunmi

ABSTRACT This work is centered on the deductive enterprise model (DEM) as a better approach to enterprise modeling and integration ...
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Some aspects of environmental pollution in Nigeria. – G. U .Chukwu

ABSTRACT There has been persistent hue and cry against the rate at which our environment is being abused. This outcry ...
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Gully erosion in southern Nigeria: an integrated geological and electrical resistivity study. – C. N. Ehirim and J. O. Ebeniro

ABSTRACT The study area lies in the rainforest belt of sourtheastern Nigeria, an area of about 15, 600Km2, devastated by ...
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Power spectral depth from residual magnetic field of Calabar flank, southeastern, Nigeria. – A. A. Okiwelu, E. E. Okwueze and C. S. Okereke

ABSTRACT The study area lies in the rainforest belt of sourtheastern Nigeria, an area of about 15, 600Km2, devastated by ...
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Design and construction of a loop antenna and its application in the reception of VLF standard time and frequency signals. – E. O. Ukem

ABSTRACT This paper presents the design and construction of a small loop antenna which has been used in the reception ...
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An extension of Krawtchouk’s polynomials to the construction of orthogonal polynomials for unequally weighted means. – A. Okolo

ABSTRACT A simple method is described for the construction of a set of orthogonal polynomials for any case where the ...
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Recent Posts

  • The visual basic plotter manager: meeting the challenges of well log digital data conversion. – A.J. Ilozobhie and D. A. Obi
  • Detection and estimation of overpressure using borehole data from oil fields in the Niger Delta. – N. E. Umorem, J. O Ebeniro and C. N. Ehirim
  • Issues on concurrency controls in transactional database system: The automatic teller machine (ATM) problem. – F. U. Ogban and P. Asagba
  • Pore systems evolution in the karstified Albian Mfamosing Limestone, Calabar Flank southeastern Nigeria. – A.A. Aderogba
  • Threats to the conservation of the West African manatee (trichechus senegalensis) in Eniong Creek, Southern, Nigeria. – A. U. Ogogo, E. A.Eniang, A.A.Nchor and O. O Nkamenyin

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