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Search Results: 1 - 10 of 76 matches for " DICKO Abdourahamane "
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Multicultural Education in USA: Place of Ethnic Minorities
DICKO Abdourahamane
Asian Social Science , 2010, DOI: 10.5539/ass.v6n12p36
Abstract: It has become more obviously about the trends of the United States public schools’s diversification and the trends have led to the “figure crisis” which calls out to the effective education of minority students. Consequently a new field named Multicultural Teacher Education has been constructed by combining education and multicultural education. As to pursure the multicultural teacher education’s balance between theory and practice, the essay illustrates the way of attachment methods, field experience, service learning and actuality, besides the principle of practice on the multi-cultural background.
Debate on the Multiculturalism: Issues and Particularism
DICKO Abdourahamane
Asian Social Science , 2010, DOI: 10.5539/ass.v7n1p32
Abstract: In its appearances and its contemporary manifestation, the challenges provoked by the thrust of cultural identities have up to half a century of history. Since the 60s, it unveiled the broad social fragility and the problem of coexistence between cultures in democratic countries. This challenge has shacked the dictatorial, the authoritarian regimes, in particular when it alludes to the religious organizations, or national liberation groups. And it taps well our countries, under the shape of religious, nationalist movements, either still fights which recover from what we call indigenism. Faced with this challenge, we cannot formulate summary hypotheses. We are not any more at the beginning phase made by unknowns: we are engaged deeply in conflicts, tensions and transformations which we know already are not ephemeral .It does not obviously mean that their expressions are stabilized, or that their senses are fixed to the long term. To bring knowledge and more clarity on the nature of the problems in cause and on the way they are envisage in the public debate. We suggest analyzing in what the multiculturalism is a solution of the identical crises. Produce knowledge on the cultural differences, their production, their transformation and their reproduction; examine the problems which they generate in the social life, the meanings which they dress for the interested and for others; report their difficulties and their internal tensions: all is within the competence of the sociological analysis and requires as such specific theoretical and methodological tools. To return our coherent and practical work we are going to support our reflection with a case study, at least comparative between several multiculturalists’ models in particular French, American, Canadian and British. This exercise will allow us to kick away hypotheses which will be used as runway to the scientific community and to all society in the grip of the identical crises. However, the elaboration of a theoretical frame of the multiculturalists question stays a preliminary tool. As mentioned theoretical frame elaboration will serve as support of reflection .It will allow us to seize better the notion of the multiculturalism .it will include three main trunk dimensions which are: the Definition of the multiculturalism, the management of the multiculturalism and the identical tensions connected to the vertical and horizontal inheritances. According to Amnesty International multiculturalism is defined as a policy to maintain and to value the various cultures and the communities living within a society.
Foreign Direct Investment in Africa- Mali Attracts Foreign Investment
Dicko Mahamet
Journal of Applied Sciences , 2006,
Abstract: In general African countries have not been very successful in attracting Foreign Direct Investment (FDI). Some by their (abundant) natural resources and the size of their domestic market were able to attract multinational companies. We estimate FDIBC function which indicates that Mali has generated the interest of international investors by improving his business environment, suggesting that one country can become competitive internationally and attracts FDI on a sustainable basis.
Time Series Seasonality: Tourism in Mali
Dicko Mahamet
Journal of Applied Sciences , 2006,
Abstract: The purpose is to delimit, with seasonality (in part caused by weather) certain economic indicators in order to explain European demand for Malian tourist services: price, income and supply. These relevant indicators were included in a Structural Model to explain tourist demand. Modeling methodologies, allow apprehending tourist time series variability, were proposed. It is also suggested transfer function Model and Autoregressive distributed Lag Distribution. Final equations based on diagnostic checking were suitably fitted tourist demand. The estimated values of the flexibility of the demand are coherent in sign and in module with the economic theory.
Food Self Sufficiency: Maize Production in Southern Mali
Dicko Mahamet
Journal of Applied Sciences , 2006,
Abstract: According to several studies on the improvement of cereals varieties, in order to respond to the variability of the local conditions and production objectives, farmers in Sikasso (Southern Mali) grew several varieties of maize representing different characteristics. Always within the framework of the promotion of this culture we have led a study of the relationship between maize yields; high yielding varieties; rainfall; fertilizers use and irrigation. Through this research we have found that the growth of maize yields can be largely attributed to the introduction of the new dwarf high yielding variety, as well as the use of the associated complementary modern inputs, particularly fertilizers and irrigation. From the correlation results, it appears that the regression procedure may find it difficult to separate the effects of these three inputs on yields.
A novel method for extraction of oils from oleaginous seeds
Djilani, Abdelouaheb;Dicko, Amadou;
Journal of the Brazilian Chemical Society , 2011, DOI: 10.1590/S0103-50532011001000026
Abstract: a new method of extraction of oils from oleaginous seeds was developed. this method is based on the use of aqueous solution of polyethylene glycol sorbitan monolaurate (tween 20). compared with existing methods, the new technique is rapid and enviroμmentally friendly. in addition, the obtained oil by this method has the same physicochemical properties and similar composition as those obtained by the classical method with a better antioxidant potential revealed by dpph test.
A New Enhanced Soil Adjusted Vegetation Index: HYBRID
Adama Ouattara,Bruce E. Frazier,Abdourahamane Konare
Online Journal of Earth Sciences , 2012,
Abstract: First-order soil brightness effects are accounted for with orthogonal indices and Soil Adjusted Vegetation Indices (SAVI) and particularly true at very low Leaf Area Indices (LAI). However, they have limited dynamic range and they fail to account for residual soil brightness effects observed at intermediate LAI. The objective of the study is to devise an index from existing ones that would overcome these shortfalls. First, a graphical method is shown to give a general formulation for the orthogonal vegetation indices (i.e., ADVI). Then, from the analysis of ADVI, it is shown that ratio and orthogonal are functionally equivalent under certain conditions. Finally, by combining ADVI and SAVI, the new hybrid index (HYBRID) obtained is the least affected by soil brightness effects at all LAI values, has the greatest dynamic range, is the most sensitive to LAI changes, saturates at very high LAI and seems to evolve linearly with LAI.
Assessment of Regional Climate Models over C?te D'Ivoire and Analysis of Future Projections over West Africa  [PDF]
Kouakou Kouadio, Abdourahamane Konare, Adama Diawara, Bernard Kouakou Dje, Vincent Olanrewaju Ajayi, Arona Diedhiou
Atmospheric and Climate Sciences (ACS) , 2015, DOI: 10.4236/acs.2015.52005
Abstract: The ability of six Regional Climate Models (RCMs) used in AMMA-ENSEMBLES project is assessed over six meteorological stations in Côte d’Ivoire. The ensemble mean of the models is also used for the prediction of climate change over West Africa. The study focused on two periods: the period 1995-2005, the present-day simulations, is used to evaluate the skills of the models over the country and the years 2010-2013, for assessment of the future climate change scenario used. The results show that the skills of the models vary from one station to another and from one season to another. None of the models considered, presents an excellent performance over the entire country and in all the seasons. Generally, the ensemble mean of all the models presents better results when compared with the observation. These results suggest that the choice of any model for study over the country may depend on the focus of interest: intensity or variability of the rain and also on area of interest. The projection for 2020-2040, future climate change over West Africa shows that the Sahel exhibits a tendency to be drier while wetter Guinean coast is observed.
Assessment of Domestic Wastewater Management Practices in the Communal District I of Maradi City, Niger Republic  [PDF]
Ousmane Laminou Manzo, Hassidou Saidou, Salamatou Abdourahamane Illiassou, Saoudé Tidjani Idrissa
Journal of Geoscience and Environment Protection (GEP) , 2015, DOI: 10.4236/gep.2015.38006
Abstract: Wastewater treatment is a problem with much acuity in the city of Maradi in general, and particularly in the Communal District I of Maradi. It is for this reason that the present study was conducted which deals with wastewater sanitation. The main objective of this study conducted through a survey is to investigate in the domestic wastewater sanitation in the Communal District I of Maradi city. Specifically, the study aims to estimate the amount of wastewater produced by households and to analyze the sanitation system at household and at district levels. The wastewater management practices in this district were assessed through a descriptive cross sectional study in which a total of 129 households were selected by sample distribution technique in the district neighborhoods and studied using interviewer and administered questionnaires at communal and household levels. The results of the study showed that the amount of domestic wastewater generated is quite large, about 32.27 m3 per person per day, and this comes from several sources including showers, laundry, dishwashing and income generating activities. The results also revealed that the unhealthy state of the Communal District I of Maradi is related to the absence of a wastewater treatment system, the methods and practices used in its management, and the population is also largely responsible for this unhealthy state and not willing to participate to a sanitation project.
Sensitivity of Solar Photovoltaic Panel Efficiency to Weather and Dust over West Africa: Comparative Experimental Study between Niamey (Niger) and Abidjan (C?te d’Ivoire)  [PDF]
Alima Dajuma, Saleye Yahaya, Siaka Touré, Arona Diedhiou, Rabani Adamou, Abdourahamane Konaré, Mariama Sido, Michel Golba
Computational Water, Energy, and Environmental Engineering (CWEEE) , 2016, DOI: 10.4236/cweee.2016.54012
Abstract: Energy demand is increasing while we are facing a depletion of fossils fuels, the main source of energy production in the world. These last years, photovoltaic (PV) system technologies are growing rapidly among alternative sources of energy to contribute to mitigation of climate change. However, PV system efficiency researches operating under West African weather conditions are nascent. The first objective of this study is to investigate the sensitivity of common monocrystalline PV efficiency to local meteorological parameters (temperature, humidity, solar radiation) in two contrasted cities over West Africa: Niamey (Niger) in a Sahelian arid area and Abidjan (Cote d’Ivoire) in atropical humid area. The second objective is to quantify the effect of dust accumulation on PV efficiency in Niamey (Niger). The preliminary results show that PV efficiency is more sensitive to high temperature change especially under Niamey climate conditions (warmer than Abidjan) where high ambient temperatures above 33°C lead to an important decrease of PV efficiency. Increase of relative humidity induces a decrease of PV efficiency in both areas (Niamey and Abidjan). A power loss up to 12.46% is observed in Niamey after 21 days of dust accumulation.
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