Self-reported Psychosexual lifestyles of University Students in South-Western Nigeria: Implication for Professional Counselling

Human sexuality is generally described as the sum total of manner through which people experience and articulate their sexual sensation. It encompasses physiological make-up as well as socio-cultural, psychological and spiritual aspects of life.Considerable researches have been conducted on human sexuality among university students but this paper measures twelve psychosexual constructs among six hundred and eight university students (376 males and 232 females) randomly selected from three universities in South-western, Nigeria. Snell (1997) Multidimensional Sexuality Questionnaire (MSQ), consisting of 12 different psychological constructs related to sexual relationships was used to gather data. One research question and one research hypothesis guided the study. Descriptive statistics of frequency count, mean and t-test statistic were employed to analyze the data. The findings indicated that the participants reported higher mean score of 18.37 for psychosexual constructs of sexual esteem and the lowest mean rating of 10.76 for sexual depression,. Further analysis showed that there were no significant differences on sexual esteem and depression of the participants on gender basis. It is recommended that counsellors should broaden sexual recovery psychotherapeutic intervention programmes that will further enhance psychosexual lifestyles of university student

Potensi Mineral Kasiterit Indonesia sebagai Bahan Baku Pembuatan Senyawa Kimia Timah (Tin Chemical)

Indonesia mempunyai potensi mineral kasiterit yang cukup besar dan sampai saat ini belum dimanfaatkan secara maksimal. Kasiterit adalah mineral utama timah dengan rumus SnO2, berbentuk kristal dengan permukaan mengkilap sehingga tampak seperti batu perhiasan. Kasiterit merupakan mineral utama penghasil logam timah. Kasiterit di temukan dalam 2 jenis lapisan yaitu lapisan atau retakan di batuan granit atau batuan disekitarnya dan lapisan sedimen aluvial bersama-sama dengan mineral berat lainnya dalam bentuk pasir. Sifat fisik dan kimia dari kasiterit pada berbagai Negara akan berbeda tergantung ditemukannya kasiterit tersebut. Indonesia memiliki cadangan kasiterit berlimpah yang banyak ditemukan pada dataran dan sepanjang aliran di kepulauan Bangka, Belitung, Singkep dan Kundur. Kasiterit Indonesia mempunyai karakteristik yang cukup kompleks dibandingkan kasiterit di negara sekitanya seperti China, Brazil, Bolivia, Rusia, Peru, Malaysia, Australia, Thailand. Kasiterit Indonesia banyak berasosiasi dengan mineral lainnya diantaranya ilmenit, pasir kwarsa, zirkon, rutil, pirit, kalsit, lantanum dan monasit. Adanya mineral ikutan lainnya dalam kasiterit menjadi permasalahan apabila akan digunakan untuk bahan baku pembuatan senyawa kimia timah. Beberapa teknik pengolahan sudah dilakukan baik secara fisika maupun kimia untuk meningkatkan kemurnian kasiterit. Pada penelitian sebelumnya diperoleh data komposisi kimia kasiterit Indonesia sebagai berikut: 0,45% Si, 0,63% Ca, 1,45% Ti, 1,16% Fe, 57,82% Sn, 3,43% La, 0,63% Ce. Pada makalah ini akan dipaparkan secara detail potensi mineral kasiterit Indonesia sebagai bahan baku pembuatan senyawa kimia timah (tin chemical

Geophysical assessment of subsurface conditions at proposed building sites: implications for foundation failure and building collapse

Building collapse has been a recurrent environmental hazard in Nigeria in the last two decades. This is a corollary of inadequate foundation investigation prior to construction, poor government policies, and general lack of awareness on the importance of geophysical and geotechnical investigations. In this study, geological mapping and detailed geophysical investigation using Electrical Resistivity Imaging (ERI) and Vertical Electrical Sounding (VES) were carried out to understand the suitability of proposed building sites at the main campus of the Olabisi Onabanjo University (OOU), Ago-Iwoye, Nigeria for construction. Both Wenner array and dipole-dipole were used for profiling and Schlumberger for sounding. Four transverses and VES were used in each of the three areas investigated. Our results show that the subsurface of the study areas is underlain by Precambrian basement rock of Nigeria. Rocks in the study area include banded gneiss, porphyroblastic gneiss, biotite-hornblende granite and quartzite schist. The sounding stations across the three areas and 2D resistivity imaging revealed three principal geoelectric layers, the topsoil, the weathered layer and the fractured/fresh basement with varied resistivity values for each layers. At the VES stations, the three geoelectric layers have resistivity values of 62 to 1182 Ωm, 3.2 to 1360Ωm and 87 to 4680 Ωm. On the 2D resistivity imaging profiles, the resistivity of the three layers varies from 2 to 1182 Ωm, 30to 1360 Ωm, and 40 to 2904 Ωm for the topsoil, the weathered basement, and fractured/fresh bedrock. Our work demonstrates that some of the proposed sites are structurally incompetent for engineering or foundation purposes. Excavation of the topsoil and reinforcement are required to sustain the proposed structures

Robust linear classifier for unequal cost ratios of misclassification

This paper focuses on the robust classification procedures when the assumption of equal cost of misclassification is violated. A normal distribution based data set is generated using the Statistical Analysis System (SAS) version 9.1. Using Barlett's approximation to chi-square, the data set was found to be homogenous and was subjected to three linear classifiers namely: Maximum Likelihood Discriminant Function (MLDF), Fisher's linear Discriminant Function and Distance Based Discriminant Function. To Judge the performances of these procedures, the Apparent Error Rates for each procedure is obtained for different cost ratios 1:1, 1:2, 1:3, 1:4 and 1:5 and sample sizes 5:5, 10:10, 20:20, 30:30, and 50:50. The results shows that the three procedures are insensitive to cost ratio exceeding ratio 1:2 and that MLDF was observed as robust discriminant function among classification functions considered

Abundances of Nitrates and Coliform with Regards to Water Quality. In Some Parts of lbadan, Southwest, Nigeria.

Water pollution has been reported throughout the world and Nigeria is not an exception. A very wide range of pollutants have been recognized, including Nitrogen species and bacteria. Nitrate (NO.) is the main form of Nitrogen which occurs in water and is becoming increasingly widespread because of agriculture activities, the disposal of sewage and wastes. This study thus focused on the assessment of the water samples in Ibadan, .Southwest, Nigeria based on these two pollutants (NO,) and. Colform) and possibility of natural denitrification in the study area. The surface and groundwater in Ibadan h:w e been polluted by municipal, industrial wastewater, agricultural activities among others. 1 he nitrate and coliform concentrations at thirty sampling points with in Tbadan ranged from 5.89 to 250mg/l and 74-IOOOcfu/ lOOmg/1 respectively. The concentration of nitrate and califom1 exceeded the WHO limit of I Omg/1 and Ocfu/ lOOmg!r'in 93% and 1OQ% of the sampled locations respectively. High nitrate and califom1 ·levels were observed in water from wells from the undeveloped part of the smdv area. The decrease in nitrate concentration viz a viz an increase in both HCO,- and pH along the groundwater flow direction confirmed the possibility of nitrate removal or natural denitrification in the study area

Integration of magnetic residuals,derivates and located euler deconvolution for structural and geologic mapping of parts of the precambrian gneisses of Ago-Iwoye, Southwestern Nigeria

Ground based magnetic survey conducted between longitude 06O 55I 51IIN –06O 55I 54IIN and latitude 03O 52I 06IIE –03O 52I 4.8IIE (Olabisi Onabanjo University) remarkably revealed a consistent subsurface NW -SE structural azimuth of localized discontinuities within the shallowly buried heterogeneous basement rocks, which at exposed locations are composed of strongly foliated granite gneiss and migmatite-gneiss with veins and veinlets principally orientated in NNW –SSE direction.Magnetic survey of the area was preceded by site inspection to avoid metallic objects interferences. Field procedure in the area involved Cartesian gridding, base station establishment, data acquisition at gridded points, and repeated bihourly diurnal checksat the base station. At the processing stage, diurnal variation effect was aptly removed before subjection to Kriging (gridding). The gridded data was then prepared as input for Forward Fourier Filter Transform (FFT), which upon definition and implementation enabled Butterworth filtering of isolated ringing effects, reduction to the equator (RTE) for geomagnetic correction, and the use of Gaussian and Upward Continuation filtering for regional magnetic intensity trend determination. Removal of the regional magnetic intensity (RMI) from the total magnetic intensity (TMI) resulted in the derivation of the residual anomaly. Enhancement filters adopted for better resolution of the residual magnetic gradient include analytical signal (AS), tilt-angle derivative (TDR), vertical derivative deconvolution (VDD), and the first vertical derivatives (FVD).TMI and RMI values range between 32925nT –33050nT and 32935nT –333050nT respectively, while the residual gradient ranges between 15nT/m and10nT/m; AS ranges between 0.28nT/m and4.1nT/m; and TDR ranges from-1.4nT/m to 1.4nT/m. Source depth calculation estimated from power spectrum analysis and Euler deconvolution ranges between 1m and15m. Composite overlay of magnetic maps revealed jointed and faulted zones within the area; exhibiting a NW-SE principal azimuth of Liberian orogenic impress, which are in consistence with the foliation direction of the jagged foliated bedrock with an estimated maximum overburden of about 15m.The structural significance of this area as a prospective hydro-geological centre, and as an undesirable spot for high-rise building has been accurately evaluated from research findings. Application of integrated geophysical approach, complemented by detailed geological studies may furnish greater information about the subsurface structural architecture.Keywords:Gneisses; Ground Magnetic Surveying;RTE;Structural discontinuities;TDR.1INTRODUCTIONStructuralmapping is an integral part of geologic surveys. It involves measurements, analyses, interpretation and recognition of geometrical features (structures) generated by rock deformations [1]. These structures often serve as fountains of environmental challenges or unparalleled opportunities depending on their modesof occurrences, which in most cases are imminently controlled by the dynamic interplay of differential stress distributions within the earth interior. In line with the principle of uniformitarianism, a broad understanding about Earth’s paleo processes and internal workingsare deductible from the various deformation types for diverse applications. Deductible inferences from brittle deformationsinclude the kinematics of crustal blocks, orientation of principal axes of regional and local stresses, and geometry. Deeper insights indeep seated stresses, regional movements and block motions are obtainable from ductile deformations

Potensi Pemanfaatan Limbah Pengolahan Emas Proses Heap Leaching

Kabupaten Sukabumi memiliki potensi mineral emas yang tersebar dalam jumlah yang kecil sehingga tidak dapat ditambang dalam skala penambangan yang besar. Oleh karena itu banyak USAha pertambangan skala kecil yang dijalankan secara legal melalui koperasi. Salah satu lokasi pertambangan emas rakyat adalah daerah Jampang Kulon yang berada di Kecamatan Simpenan – Kabupaten Sukabumi yang menjadi obyek penelitian ini. Pada awalnya pertambangan emas skala kecil menggunakan proses amalgamisasi yaitu menggunakan air raksa untuk mengekstrak bijih emas dalam peralatan gelundung. Seiring dengan semakin tingginya harga air raksa dan sulitnya mendapatkan barang tersebut maka para petambang berganti mengolah bijih emas dengan metode heap leaching. Proses heap leaching adalah proses mengolah bijih emas dengan media larutan natrium sianida dan karbon aktif untuk menangkap bijih emas. Limbah yang dihasilkan dari proses pengolahan bijih emas ini sampai saat ini tidak dimanfaatkan sama sekali dan dibuang di sekitar lokasi proses heap leaching. Hasil karakterisasi dengan metoda SEM-EDX terlihat bahwa limbah hasil pengolahan emas mengandung bahan logam tanah jarang yang sangat berharga. Potensi logam tanah jarang yang terdapat dalam limbah pengolahan bijih emas antara lain Gadolinium, Samarium, Tulium dan Terbium. Hasil analisa SEM-EDX pada salah satu sampel heap leaching menunjukkan indikasi awal adanya unsur Samarium 5,632 % , Gadolinium 6,053 % , Tulium 7,175 % dan Terbium 15,67 %

ANALYSIS OF PARENT – TEENAGER’S COMMUNICATION ON SEX EDUCATION AMONG SELECTED PARENTS IN ABEOKUTA, OGUN STATE

The study examined the impact of parents – teenagers’ communication on sex education. Three research questions were generated for this study. The study utilized a purposive sampling technique to select 246 parents in Abeokuta Metropolis. Results indicated that 59.8% of parents disagreed to discussing sex education with their children until they are fully matured, 76.8% of the parents wait for the right mood of their teenagers before giving them sex education and 63.7% of the parents reported that their teenage child find them boring whenever they want to give them sex education. It was recommended that parents should endeavour to be a friend to their children even before their teen years so as to enable an effective parent – teenagers’ communication.   &nbsp