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Registros recuperados: 62 | |
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ARIMORO,FRANCIS O; MEYE,JACOB A. |
Preliminary investigation into some aspects of the biology of the palaemonid prawn, Macrobrachium dux (Lenz, 1910) in River Orogodo at Abavo, southern Nigeria was carried out between March and August 1995. The freshwater prawns were collected with properly baited cage traps and scooping with hand basket. The study revealed that the prawn species were widespread and abundant in the river. Abundance in terms of number and biomass was more during the wet season with a peak in August. Both adults and juveniles showed a progressive increase from late dry season to midrainy season (August). The malefemale ratio was 1:1.2. The fluctuation in the number and percentage of ovigerous females indicated that the prawn spawned during the midrainy season (JuneAugust).... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Growth pattern; Gravid; Condition factor; River Orogodo; Nigeria. |
Ano: 2007 |
URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-548X2007000200009 |
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Temitayo Abayomi EWEMOJE; Department of Agricultural and Environmental Engineering, University of Ibadan; O. S. Ewemooje; Department of Statistics, University of Ibadan. |
The paper discusses how Normal, Lognormal, and log-Pearson type 3 distributions were investigated as distributions for modelling at-site annual maximum flood flows using the Hazen, Weibull, and California plotting positions at Ogun-Oshun river basin in Nigeria. All the probability distributions when matched with Weibull plotting position gave similar values near the center of the distribution but varied considerably in the tails. The Weibull plotting position when matched with Normal, Log-normal and Log Pearson Type III probability distributions gave the highest coefficient of determinations of 0.967, 0.987, and 0.986 respectively. Hazen plotting position gave minimal errors with the RMSE of 6.988, 6.390, and 6.011 for Normal, Log-normal, and... |
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Palavras-chave: Probability distributions; Plotting positions; Maximum flood; Estimation; Statistical modelling; Nigeria. |
Ano: 2011 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/1380 |
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Adekola, Kehinde Adedeji. |
Termite hills are described as the structure built by termite using soil in the surrounding or within the earth. The mound has extremely hard walls constructed from bits of soil cemented with saliva and baked by the sun. This research is to determine the compressive strength of termite hill soil stabilized with rice husk. The study investigated the compressive strength of 150 mm x 150 mm x 150 mm cubes made from termite hill soil and rice husk in the different mix ratio of 50:50, 60:40, 70:30, 80:20, 100:0 and was cured for 28 d with crushing the cubes at 7 d interval. The weight, bulk density and dry density of the cubes at different THS/RH mix ratio ages were determined. Test results showed that the compressive strength of the cubes increases with age... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Termite hill soil; Clay; Rice husk; Compressive strength; Cubes; Structure; Farm; Nigeria. |
Ano: 2016 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3398 |
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Udom, Ikpe Jimmy; Nta, Samuel Akpan. |
UPFLOW model was used to provide assessments of capillary rise into root zone soil moisture in shallow water table soils of Obio Akpa river floodplain using drum-culture lysimeters. Soil moisture depletion experiment was undertaken through the use of drums with bases intact and drums with bases removed and sunk in the field at different depths during the dry period with no rainfall and no irrigation. UPFLOW model was validated by comparing simulated capillary soil moisture values from a falling water table with gravimetrically observed data from 0 – 500, 500-1000 and, 1000-1500 mm water table depth in sandy loam and sandy clay soils. Simulated runs mimic the observed fluctuations and trend of capillary rise to the root zone. The statistical pointers of... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: UPFLOW; Capillary rise; Shallow water table; Floodplain; Obio Akpa; Nigeria. |
Ano: 2020 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/5681 |
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Sanni,Silifat Ajoke; Oguntona,Clara Raquel Bernstein; Sanni,Lateef Oladimeji. |
Chemical composition of seven common foods viz. cooked rice, cooked beans, cooked yams, cooked fufu, fried fish, stew, and vegetable soup, sold by the selected (147) vendors in Abeokut, were investigated. Descriptive statistics was used to analyse the collected data. The results of the proximate analysis of food samples showed that the mean moisture content of the street foods ranged from 44.87% in fried fish to 72.43% in cooked fufu. Protein content varied from 0.03% in cooked fufu to 14.47% in fried fish while the fat content ranged from 0.03% in cooked fufu to 34.43% in fried fish. Ash and carbohydrate contents ranged from 0.42% in cooked rice to 16.07% in vegetable soup and 0.73% in stew to 29.27% in cooked rice, respectively. The energy content ranged... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Chemical and nutritional composition; Common foods; Abeokuta; Nigeria. |
Ano: 1999 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89131999000300010 |
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Olajubu,F. A.; Osinupebi,O. A.; Deji-Agboola,M.; Jagun,E.O.. |
HIV/AIDS continues to remain a nightmare in the developing nations of the world especially in Nigeria, where about 2.9 million people are living with this problem. This study aimed at determining the sero-prevalence of HIV among both patients and blood donors at the Olabisi Onabanjo University Teaching Hospital, Sagamu, Nigeria. Samples were collected between January 1st, 2005 and December, 31st 2006 and were screened using two rapid test kits, with two different principles (enzymatic and agglutination). Samples positive to the two methods were taken as truly sero-positive. The seropositive rate among blood donors, antenatal women, in- and out patients were, 3.2%, 6.9% and 17.5% respectively. There were five cases of positivity to both HIV I and II.... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: HIV; Blood donor; Antenatal; Sagamu; Nigeria. |
Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702009000400008 |
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Entonu,P.E.; Agwale,S.M.. |
In order to amalgamate research findings on HIV/AIDS in Nigeria as well as the trend of the infection in a concise manner, we reviewed published articles on the HIV/AIDS situation in Nigeria. We categorized this review into several subheadings. The HIV prevalence rate has continued to rise steadily from less than 0.1% in 1987, to 5.8% in 2001, with a slight decrease in 2003 to 5.0%. Although the knowledge about HIV and its mode of transmission is widespread, it is however disheartening to note that this did not result into appreciable attitudinal change and behavior modification among Nigerians. Both HIV-1 and HIV-2 have been identified in Nigeria, with HIV-1 being the predominant type. Furthermore, several subtypes like subtypes A, B, C, G and J have been... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: HIV; Review; Nigeria. |
Ano: 2007 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702007000600011 |
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Igbeneghu,Christopher; Olukanni,Folake; Olisekodiaka,Japhet; Adesina,Adekunle. |
This study was carried out among 144 individuals (18 years) from the Yoruba tribe of Southwestern Nigeria in order to determine the association between tongue rolling and folding. Participants were examined for the ability to roll and/or fold their tongues. The incidence of tongue rollers and folders were 59.7 % and 79.2 % respectively. Tongue rolling was higher in females than male but the difference was not significant (X2= 1.039, df = 1, p= 0.308). Tongue folding was significantly higher in females than males (X2= 4.211, df= 1, p= 0.04). Of the 144 participants, 76 (52.8 %) were tongue rollers and folders, 10 (6.9 %) were rollers and non-folders, 38 (26.4 %) were non-rollers and folders and 20 (13.9 %) were non-rollers and non-folders. These classes did... |
Tipo: Journal article |
Palavras-chave: Association; Traits; Tongue roller; Tongue folders; Osogbo; Nigeria. |
Ano: 2016 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022016000300008 |
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Yakubu,A; Okunsebor,S. A. |
Morphological differences between two close fish populations were investigated in Doma Dam, north central Nigeria using principal component and discriminant analyses. The purpose was to identify the two species correctly and assign them into distinct genetic groups. To achieve this, seven morphometric measurements (body weight, standard length, total length, head length, body depth, dorsal fin length and caudal fin length) were made on each of the studied 252 fish specimens (153 Oreochromis niloticus and 99 Lates niloticus). The analysis of variance showed that significantly (P<0.05) higher values were recorded for Lates niloticus in all the body traits examined, except dorsal fin length. From the principal component analysis, the differences between... |
Tipo: Journal article |
Palavras-chave: Fish; Genotypes; Conservation; Morphological traits; Multivariate analysis; Nigeria. |
Ano: 2011 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022011000400060 |
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Igbokwe,I. O; Grema,H. A; Ikpo,A. E; Mshelbwala,F. M; Igbokwe,N. A. |
Out of 1608 Nigerian Sahel male goats (bucks) examined for cryptorchidism in an abattoir, 9 (0.6%) had right unilateral cryptorchidism. The coat colour-specific prevalence was highest among the brown bucks (2.1%); and was 0.8%, 0.6%, and 0.3% among black, white, back-and-white bucks, respectively. The condition was not found among bucks with brown-and-black, brown-and-white, and multiple coat colours. The right and left testes of normal bucks and the descended testes of cryptorchid bucks had comparable gross testicular measurements, but the retained cryptorchid testes were smaller in size. The estimates of the testicular measurements showed that testicular weights (with the entire epididymes), peripheral longitudinal lengths and mid-circumferences of the... |
Tipo: Journal article |
Palavras-chave: Abdominal; Cryptorchidism; Goat; Hypoplasia; Morphometry; Nigeria; Sahel; Subcutaneous; Testis; Unilateral; Degeneration; Orchitis; Fibroplasia. |
Ano: 2009 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000300027 |
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Jaja,Blessing N.R; Fawehinmi,Hakeem B; Jack,Joy T. |
The measurement of craniofacial parameters have clinical, forensic and anthropologic significance. Local data on inner canthal and outer canthal distances and the canthal index may reveal the pattern of differential growth in craniofacial features resulting from factors such as sex, diet and genetic distinctions. In the present study, we provide normative data on canthal distances in a Nigerian population which has not been studied previously, utilizing a study design which optimises the effect of age and minimise bias and confounding than previous studies in Nigerian groups. The mean inner canthal distance was 1.85±0.30cm and 2.07±0.29cm (males vs. females, p= 0.000); mean outer canthal distance, 10.39±0.56cm and 10.40±0.98cm (males vs. female, p= 0.899).... |
Tipo: Journal article |
Palavras-chave: Biological anthropology; Craniofacial anthropometry; Canthal distance; Nigeria; Kalabari. |
Ano: 2011 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022011000300041 |
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Registros recuperados: 62 | |
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