Your search
Results 4,278 resources
-
SUMMARY Increasing evidence suggests the involvement of oxidative stress in noise-induced hearing loss. The present study analysed, in an animal experimental model, the time course of the pathogenic mechanisms of noise-induced cochlear damage and the effi cacy of the antioxidant drug N-acetylcysteine in reducing noise ototoxicity. Animals were divided into two groups, exposed to noise one treated with N-acetylcysteine for 3 days and one (the control group) with saline. Acoustic trauma was...
-
Air pollution is a serious problem in thickly populated and industrialized areas in Egypt, especially in greater Cairo area. Economic growth and industrialization are proceeding at a rapid pace, accompanied by increasing emissions of air polluting sources. Furthermore, though the variety and quantities of polluting sources have increased dramatically, the development of a suitable method for monitoring the pollution causing sources has not followed at the same pace. Environmental impacts of...
-
This study examines agricultural education in Botswana among students and teachers. Since independence in 1966 to the present time, agricultural production has declined from about 40 percent to about 3 percent. Harsh climatic conditions and a general ignorance about agriculture contribute to the restricted perception of agriculture and careers in this field. Individual and focus group interviews were conducted with agricultural teachers who had resigned and former graduates in four secondary...
-
Distance learning mode provides for virtual interactive learning. However, people in certain social structures prefer customised and face-to-face learning to distance learning due to the influence of their culture-specific factors on the learning process. This paper examines the impact of cultural factors on face-to-face and distance learning modes in Papua New Guinea (PNG). The study used the Hofstede's cultural variables to assess the impact of culture on face-to-face and distance learning...
-
The women play a key role in economic growth and development. World Bank and IMF studies have shown that the economies of the developing countries are losing billions of US dollars because women are still discriminated against in economic life. Eritrean women contribute largely for the freedom and economic development. The girls' education during the colonial periods is found to be gloomy but the situation improved after the independence in terms of girls' number in the schools. The...
-
This research report provided results from the study of living conditions among people with functional limitation in Mozambique. Two comparative studies of different indicators of living conditions were carried out. These studies include: (i) a comparative study of households with and without family member(s) with functional limitation and (ii) a comparative study of individuals with and without functional limitation. In addition, a detailed study that specifically addresses the situation of...