117 research outputs found

    Berwirausaha dan Mengatur Keuangan Sejak Dini

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    Merubah pola pikir untuk berwirausaha sangat susah tapi tidak mungkin tidak bisa dibenahi mulai dari sekarang. Berwirausaha merupakan salah satu profesi yang menjanjikan, yang bisa membuat sesorang menjadi lebih mandiri. Banyak yang menganggap jika berwirausaha harus memiliki modal yang besar, faktor keberuntungan dan faktor keturunan. Kenyataannya kunci untuk menjadi wirausaha adalah tekad dan motivasi tinggi serta sistem pengaturan keuangan dan manajemen yang baik. Lebih baik lagi jika, sejak dini, anak-anak sudah diberikan kemandirian dengan menjadi seorang wirausaha, melalui pengaturan keuangan yang disiplin dan cermat, yang secara tidak langsung akan membuat manajemen keuangan terasah, serta menumbuhkan tekad dan motivasi dalam memulai wirausaha sejak dini. Kata Kunci : Berwirausaha, Mengatur Keuangan Changing the mindset of entrepreneurship is very difficult but there may not be addressed from now on. Entrepreneurship is one of the promising profession , which can make someone become more independent . Many consider if self-employed should have a large capital , the luck factor and heredity . In fact the key to being an entrepreneur is determination and motivation as well as the financial regulatory system and good management . Better yet, if , early on, children have been given independence to become an entrepreneur , through financial arrangements and careful discipline , which indirectly will make the financial management honed , and fostering determination and motivation in an entrepreneurial start early

    Determinants Identification of Poverty and Human Capital of Fisherman Household

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    This research was conducted to see the determinants of poverty and human capital in fishermen households in Bangka and Pangkalpinang (Bangka Belitung Province, Indonesia). The research was conducted in Fisherman I and Temberan Village, Air Itam and Sinarbulan. The samples were 118 fishermen, 59 households in Fisherman I and Temberan Village, Air Itam and Sinarbulan by distributing questionnaires. The research method used qualitative and quantitative with SPSS tool. The results show that poverty and human capital are defined as 15% in Fisherman Environment I and 1.4%, meaning that other variables such as human resources, fishermen lending, fishermen institutions and other variables have an enormous effect on poverty and human capital. Further research should be done to look at the pattern of households of young fishermen and households of elderly fishermen.Cite this articl

    Some Physical Properties of Suevites from the Bosumtwi Impact Crater, Ghana

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    Suevite is a polymict breccia of clastic material derived predominantly from the crystalline basement. It is an impact-derived rock usually found at meteorite impact crater sites. In Ghana, suevites have been found at two locations at the Bosumtwi meteorite impact crater. The suevites are located in the Northern and Southern parts outside the crater rim. Due to the presence of different rock clasts of various sizes, the suevite exhibits physical properties that are quite different from those of other rocks such as granites, gneisses, etc. Suevites found in the North and South locations have some characteristic differences. In this paper, we report on the anisotropic behaviour of the compressional wave velocity Vp with pressure and azimuth for suevite samples collected from the North and South locations. The effect of pressure on Vp for the sample from the South is more pronounced than that from the North because of the high porosity of the sample at the South location. Also, the seismic velocity anisotropy is more pronounced in the samples from the South probably due to the distribution of rock inclusions in the matrix. Vp-minimum directions determined for some samples indicate that the Vp-minimum axes seemed to point toward the center of the crater. This supports the reasoning that after the impact, the ejected material on the ground might have assumed a preferred orientation with respect to the center of the crater. It was also found that suevite samples require higher saturation pressures (650 MPa and above) than solid rocks such as amphibolite which reaches velocity saturation at 100 MPa. Key words: suevites, impact crater, compressional wave velocity, anisotropy, velocity saturatio

    2D Electrical Resistivity Tomography (ERT) Survey using the Multi-Electrode Gradient Array at the Bosumtwi Impact Crater, Ghana

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    The 10.5 km diameter Bosuntwi impact crater in Ghana is occupied by a lake of about 8.5 km in diameter. The multi-electrode gradient array has been used to carry out 2D electrical resistivity tomography (ERT) survey at different locations around the crater. The 2 m take-out cable of the ABEM LUND Resistivity Imaging System was modified to function as a 5 m take-out. 2D electrical resistivity survey was carried out along six (6) radial profiles running from the shore of the lake towards the crater rim. The least-square inversion technique was used to invert the topographically corrected data. The area extending from the lake shore towards the crater rim contains essentially three formations: the low resistivity regions from the shore of the lake towards uphill with resistivities < 64 W.m representing the lake sediments; the moderately high resistivity regions with values between 128 and 200 W.m interpreted as impact related breccias such as dikes, allochthonous or parautochthonous depending on their geometries; lastly, the model clearly differentiates the resistive basement metamorphic rocks of resistivities > 128 W.m from the lake sediments and the breccias due to their geometry and lateral extent. The ERT models allowed us to locate faults and fractures and also the thickness of the post impact lake sediments and the breccias. The results showed that the cables take-outs of the multi-core cable can be modified to suit the requirements of a particular survey thus highlighting the utility of this technique in impact cratering studies and geo-electrical imaging studies in general. Keywords: impact crater, target rock, electrical resistivity tomography (ERT), multi-electrode gradient array, roll-along techniqu

    Application of Electromagnetic and Electrical Resistivity Methods for Borehole Siting in Low-Grade Metavolcanic and Metasedimentary Rocks, Sunyani West, Ghana

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    This paper employs the electromagnetic (EM) and the electrical resistivity methods for siting boreholes for communities in the Sunyani-West district of Ghana, a terrane comprising a mixture of granites and low-grade metavolcanic and metasedimentary rocks. These communities which depend on groundwater for livelihood have over the past few decades been hit by drastic seasonal irregularities in rainfall, making it imperative to seek an alternative source of potable water (preferably groundwater). Measurements to locate sites for boreholes were made by employing the Geonics EM-34 conductivity meter. In addition, co-located measurements were made with the ABEM SAS 1000C Terrameter in the Schlumberger electrode array configuration. Results of the measurements showed that each community could have at least two borehole sites with a high potential for groundwater extraction. The overburden of selected sites varied for the communities and ranged from 40 to 67 m. However, recommended drilling depths at these sites were 60 m for Adwinsa community, 70 m for Akurakan community and 60 m for Nana Ameyaw community. Test boreholes sunk at respective depths of 45 m, 55 m and 68 m in Adwinsa, Nana Ameyaw and Akurakan had yields of 12 m3/h (200 l/min), 24 m3/h (400 l/min) and 1.14 m3/h (19 l/min) respectively. In all three communities the aquifer was intercepted in phyllite bedrocks. Keywords: aquifer, groundwater potential, borehole, electrical resistivity, vertical electrical sounding, conductivity DOI: 10.7176/JEES/10-10-05 Publication date:October 31st 202

    Groundwater Exploration using 1D and 2D Electrical Resistivity Methods

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    Integrated geophysical techniques involving 2D electrical resistivity imaging (ERI) and vertical electrical sounding (VES) were used to delineate groundwater potential zones for borehole siting in the Pru District of the Brong Ahafo Region of Ghana. The ABEM Terrameter LS was employed in the survey. A total of fifteen (15) 400 m - ERT profiles and thirty-one (31) VES points were investigated using the Schlumberger protocol. The Res1DINV and Res2DINV inversion software were used for data analysis. The 2D ERI images showed a lot of fractures within the subsurface of the study area. The results of the VES generally revealed either three or four subsurface geological layers at the selected points. The second and third layers were found to possess relatively low-to-moderate resistivity values indicative of potential aquifer zones. The resistivity of the fourth layer indicated the presence of slightly-fractured to fresh bedrock. The borehole logs depict four sequences: brownish or lateritic sandy clay overlying highly weathered sandstone which is underlain by moderately weathered sandstone and highly fractured sandstone basement. Keywords: Electrical resistivity tomography, vertical electrical sounding, groundwater, aquifer, geological layer and hydrogeology

    Risk of Exposure to Marketed Milk with Antimicrobial Drug Residues in Ghana

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    Performance of three local chicken ecotypes of Ghana naturally exposed to velogenic Newcastle disease virus

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    This study was to evaluate the performance of three Ghanaian local ecotypes that were exposed to a natural velogenic Newcastle Disease Virus (NDV) challenge. The birds at four weeks of age had been challenged with a lentogenic (vaccine) form of the virus and later exposed to velogenic NDV when their anti-NDV antibody titres had fallen below 1000. All the birds lost weight over the 21 days of exposure to the virus, with the Coastal Savannah ecotype showing the fastest weight loss albeit not significant (p\u3e0.05). Lesion scores for all ecotypes were low and similar across ecotypes suggesting that the challenge was not severe. Heritability was zero for the lesion scores and low (0.01) for post-challenge growth rate across ecotypes. Hence, not much progress can be made in selection to improve post infection growth rate

    Genotypic and phenotypic characterisation of three local chicken ecotypes of Ghana based on principal component analysis and body measurements

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    This study was to characterise three Ghanaian local chicken ecotypes, namely, Interior Savannah, Forest and Coastal Savannah ecotypes, based on morphological data and single nucleotide polymorphism (SNP) genotypes. Morphological data including shank length, body girth, back length, thigh length, beak length, comb length and wattle length were collected. Blood samples were also obtained for SNP genotyping with Affymetrix chicken 600k SNP chip. Principal component analysis showed that Forest and Coastal Savannah birds were closely related. Generally, all three ecotypes seemed very diverse especially birds from the Interior Savannah zone. Morphological characterisation showed ecotype, sex and pen had significant effect on body weights (p0.05). Very few of the phenotypes reported to be associated with heat resistance – frizzle (2%) and naked neck (1.6%) – were found in the current study. It is concluded that the three local ecotypes are genetically diverse but with similar morphological features
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