SLOPE STABILITY ANALYSIS USING COMPUTER SOFTWARE FOR BLACK COTTON SOIL OF NORTH – EASTERN NIGERIA

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Ashiru M. Ashiru, Jacob E. Sanni and Sule Mohammed

Department of Civil Engineering Technology,

The Federal Polytechnic, Nasarawa, Nasarawa state, Nigeria.

E-mail: ashiruashiru@yahoo.com

Abstract: Black cotton soils found across the globe have been described by researchers as problematic soils due to the present of montmorillonite and kaolinite minerals in large quantities. Its swell-shrink movement has been reported to pose serious problems to engineering structures and lives from landslides failures. This research work focuses on stability analysis of slope using limit equilibrium method as a technological solution to the adverse effect of these routine slope failures. The study utilises three limit equilibrium methods: stability charts, SLOPE/W software and traditional methods. There is no difference in the application of these analyses because they are all formulated based on the static of equilibrium and slices discretisation. The results obtained under dry condition from the entire methods shows that, the slope is safe; although, at wet situations, all methods indicated instability. Comparing the results between techniques shows that Bishop’s simplified method is similar with Morgenstern Price’s method. Furthermore, the results from Janbu and Ordinary method in some situations are similar. It has been demonstrated that loads, pressures and shear strength parameters significantly influenced the factor of safety for critical slip surfaces and the stability state of a slope.

YOLA SOUTH LOCAL GOVERNMENT OF ADAMAWA STATE

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Elishama, Lakam John

Department of Mathematics

Adamawa State Polytechnic, Yola, Nigeria.

E-mail: elishamalj@gmail.com

Abstract: This study ascertains the predictive  strength of  the Junior Secondary Certificate  Examination (JSCE) in predicting  the  performance  of  students in  the Senior  Secondary Certificate Examinations (SSCE) in Yola-South L.G.A Adamawa  State, Nigeria. As  an  ex-post facto  and  a  descriptive  research,  the  study  population  comprised of 1,655  and  1,366  students  who  registered  for  JSCE  and  SSCE  respectively  in  five  secondary  schools  in  Yola-South  metropolis  of  the  state.  Out  of  this  population,  a  sample  of  665  students  was  selected  through  the  stratified  random sampling  technique.  The  instrument used to collect  data  for  the study was an inventory while  the  data  collected  was  analyzed using percentages, z-test,  and correlation. The  results  of  the  investigation  revealed that  the  academic  achievement  of  the  students  in  the  Junior  Secondary  School Certificate Examination (JSCE) in  Yola-South metropolis  was  a  poor  predictor of low performance in Senior Secondary School Certificate Examination (SSCE). Since the performance level was generally low in both  examinations,  it is  recommended  that  the  state  government  should  intensify  more  effort  in  ensuring  better  teaching  and  learning strategies  in  schools  through  effective  supervision  and  monitoring  of  schools,  more  qualified  and  competent  teachers  should  be  trained  and  employed  to  teach  in  Junior  Secondary  Schools.


AN ASSESSMENT OF SUPERVISOR’S ROLES IN MASS LITERACY DELIVERY IN BORNO STATE

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Tijjani, Kalli and Abubakar, Abba Aji

Department of Continuing Education and Extension Services

University of Maiduguri, Maiduguri, Nigeria.

E-mail: abbaganabenisheikhali@gmail.com

Abstract: This study assessed supervisors’ roles in mass literacy delivery in Borno state. The objectives of the study were in terms of adequacy of visitation of literacy centres by supervisors and supervisors’ facilitation of provision of teaching materials to literacy centres. Survey design was used for the study, and a sample which consisted of two hundred and ninety five (295) instructors was randomly selected from a population of five hundred and ninety (590) instructors. Data were gathered from the respondents with a questionnaire prepared by the researcher. The data obtained were analysed using descriptive statistics of frequency counts and percentages. The results of the analysis revealed that: visitation of literacy centres by supervisors was low; the rate at which supervisors facilitate provision of teaching materials to the literacy centres in the state was inadequate and low. On the basis of the findings, it was recommended that, adult education policy makers and administrators, should provide the logistics to enable supervisors visit literacy centres frequently, and that government should provide incentives such as accommodation and better wages so that, the supervisors will give in their best in order to achieve the organizational goal.


ASSESSMENT OF THE LEVEL OF AWARENESS OF THE EFFECTIVENESS OF NATIONAL HEALTH INSURANCE SCHEME AMONG WORKERS IN

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KADUNA METROPOLIS, NIGERIA.

1Owu, E., 1 Ifatimehin, O.O. and 2Shaka, S.

1Department of Public Administration, University of Maiduguri, Borno State, Nigeria.

2 Forestry Research Institute Federal Ministry of Environment, Kaduna, Kaduna State, Nigeria.

E-mail: oifatimehin@rocketmail.com

Abstract: The perennial problems in Nigeria’s health system informed the decision by the government in 1999 to sign into law the National Health Insurance Scheme (NHIS) which was meant to serve as a major strategy for effecting the needed change, in function, form, structure and performance of Nigeria’s health system. However, there is perceived lack of awareness of the effectiveness of NHIS among workers resulting to non acceptance and enrolment in the scheme. This study assessed the level of awareness of the effectiveness of (NHIS) in selected Federal Establishments in Kaduna Metropolis. The study is a survey design; data were obtained by questionnaire, textbook, journals, conference paper etc. A total of 200 questionnaires were administered but 151 were recovered valid and analyzed using simple percentage and frequency tables. The analysis was done through the use of Statistical Package for Social Sciences (SPSS) version 19.0. Analysis of Variance (ANOVA) (f) was used to test the hypothesis, decision of significant difference among variables were based on 5% (0.05) A significant value that is less than 0.05 was adjudged and the null hypothesis accepted. The study also used the multi stage approach to select the federal establishment and respondents respectively. The study found that, there is a very high level of awareness of NHIS among workers, the performance of healthcare providers is satisfactory, the workers have positive attitudinal disposition towards the utilization of the National Health Insurance Scheme (NHIS), and therefore, there is a high level of acceptance of the scheme. The study concludes that the National Health Insurance Scheme (NHIS) is effective and it is embraced by workers in Kaduna Metropolis. The study hence recommended among others that NHIS awareness should be spread across to the states and private establishment in Kaduna Metropolis.  


IN VITRO ANTIOXIDANTS AND TOTAL PHENOLIC CONTENTS OF THREE MEDICINAL PLANTS COMMONLY USED IN NORTH – EAST NIGERIA

Aliyu Daja1, Korawinwich Boonpisuttinant2, Zainab Kassim M.1, and Abubakar Gidado1

1Department of Biochemistry, Faculty of Science University of Maiduguri Nigeria.

2Thai Traditional Medicine College, Rajamangala University of Technology Thanyaburi, Thailand

E-mail: aliyudaja@yahoo.com

Abstract: Crude aqueous and ethanolic extracts of three plants Parkia bigbolosa, Kaya senegalensis, and Leptadenia hastata were analysed for their antioxidant activities and total phenolic content. The antioxidant activities were measured as radical scavenging activity by 2, 2-Diphenyl-2-picrylhydrazyl DPPH, inhibition of lipid peroxidation by Ferric-thiocyanate method and metal chelating activity by ferrous ion chelating method and Folin-ciocalteau method was used to measure the total phenolic content expressed as mg/g GAE. The highest concentration of polyphenols was observed in extracts of Kaya senegalensis followed by Parkia bigbolosa and then Leptadenia hastata. For the radical scavenging assay by DPPH, both Kaya senegalensis and Parkia bigbolosa demonstrated very good ability of scavenging with SC50 value ranging between 0.025-0.027mg/ml when compared with 0.017mg/ml of ascorbic acid with no statistically significant difference (p>0.05) in terms of activity, but Leptadenia hastata showed a significantly weak scavenging activity with SC50 of 1.959mg/ml and 0.524mg/ml compared to the reference standard. Kaya senegalensis aqueous extract appeared to have better ability to inhibit lipid peroxidation having LP50 values of 0.257mg/ml with over five fold potency than that of the standard (p<0.05), leptadenia hastata aqueous and kaya senegalensis ethanolic extracts exhibited very poor inhibition activity (p>0.05) when compared with the reference standard Vitamin E which has LP50 of 1.440mg/ml. However, all of the extracts revealed a weak ability to chelating ferrous ion with MC50 values range of (3.837 to 13.838mg/ml) when compared with the standard EDTA that has MC50 of 0.450mg/ml. This indicates that these plants are good source of antioxidant for free radical scavenging and some having the ability to inhibit lipid peroxidation and thus, can be used in preventing, treating or managing oxidative stress related diseases.


THE IMPACT OF THE CONSTRUCTION OF GEN. M.I. WUSHISHI HOUSING ESTATE ON THE KAFFIN TELA COMMUNITY

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1Idris Abdulrahman Baba, 1Salihu Suleiman and 2Usman Aliyu

1Department of Architecture, Federal Polytechnic Bida

2 IBB University Lapai

E-mail: drsabdu120007@gmail.com

ABSTRACT

Human being requires shelter from adverse effect of weather, and this shelter is being provided mostly through construction. As human population increase so as increase in the rate at which buildings are constructed. This construction leads to the extensive exploitation of natural occurring vegetation which later result to; global warming, greenhouse effect, reduced soil cohesion, soil erosion and reduced biodiversity. The building industry is faced with the challenge of designing and construction of buildings which exploit the natural resources without destroying the ecological balance of the area. This paper examines the impact of the construction of Gen. M.I. Wushishi  housing estate to Kaffin Tela community by sampling considerable hectare of land adjacent to the estate to know the nature of the vegetation at the site before construction and the extend of re-vegetation carried out by the resident after the completion of the project. The result shows that, apart from loss of species, there is significant increase in heat level and little has been done to revive the vegetation. It has been observed that an alternative approach to building construction that has positive impact to the environment is all about suitable practice, in terms of choice of material, their source, construction methodologies as well as design philosophy.




PHYSICOCHEMICAL PARAMETERS OF WATER AND THEIR EFFECTS ON FISH PRODUCTION

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Kasim Lawal Ibrahim

Department of Agricultural Science Education

Federal College of Education (Technical) Bichi, Kano State

Email: talk2klawal@yahoo.com

ABSTRACT

Water quality includes all physical, chemical and biological factors that influence the beneficial use of water where fish culture is concerned any characteristic of water that affects the survival, reproduction, growth, production or management of fish in any way is a water quality variable (Boyd, 1990). There are many water quality variables in pond fish culture, fortunately only a few of these normally play an important role. These variables are what fish farmers should concentrated on an attempt to control to some extend by management techniques. These physicochemical parameters includes; Temperature, pH, Dissolve oxygen, Turbidity, color, Hardness and salinity. etc. Since water is the entire home/environment of Fishes it’s good to the fish farmers to understand some basic water quality management techniques in order to achieve successful fish farming.


EUCOCYTE COUNTS OF HIV INFECTED CHILDREN IN ABA METROPOLIS

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1Godwin U. Ndukwe,2Clement .K. Okpora,3Smart E Amala 1&2Department of Human Anatomy, Abia State University Uturu, Abia State, Nigeria

    3Department of Medical Laboratory Sciences, Rivers State University Port Harcourt Nigeria

                        E-mail:-Okpobrows2006@yahoo.com

ABSTRACT

This study investigated the leucocyte counts of children infected with HIV in Aba Metropolis.  The study population was 242 subjects recruited from Abia State University Teaching Hospital Aba, Abia State.  They were made up of 121 children infected with HIV and 121 children not infected with HIV.  They were male and female children who visited the hospital for HIV screening test.  Those with HIV were the children that tested positive while those without HIV were the children that tested negative.  Their records were retrieved from the record section of the hospital.  Routine laboratory methods for the determination of white blood cell count, Differential count and CD4+ Cell Counts were used.  The result showed that the mean values for the parameters studied in both male and female children without HIV infection were higher than those of the children with HIV in all the age ranges, except the total white blood cell count that reverse were the case. For the CD4+ cell count, the mean values for the age range 5-9 years was the highest, followed by age range 1-4 years and lastly 10-14 years in both the male and female children. The study therefore concludes that the leucocytes counts in children without HIV infection were higher than those of the children with the infection and that this might be due to the fact that the virus attacks the cells thereby decreasing their number.

Keywords: Leucocytes, children, infection, human immunodeficiency, and Lymphocyte.


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