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Les eaux souterraines du systeme aquifere complexe volcano-sedimentaire, exploite pour l’alimentation en eau potable de Djibouti-ville, connaissent une degradation de leur qualite face a une croissance demographique elevee, un exode rural, une desertification qui s’accentuent dans un contexte a climat aride severe. Cette degradation s’exprime par la salinisation et la contamination des eaux en relation directe avec la surexploitation. Les donnees hydrogeochimiques ont ete analysees en...

Background: Research outputs in sub-Saharan Africa may be limited by a scarcity of clinical research expertise. In Zambia, clinical and biomedical postgraduate students are often delayed in graduation due to challenges in completing their research dissertations. We sought to strengthen institutional research capacity by supporting student and faculty researchers through weekly epidemiology and biostatistics clinics.Methods: We instituted a weekly Analytical Support Clinic at the University...

Abstract The tropical forests of the Congo Basin and Gulf of Guinea harbor some of the greatest terrestrial and aquatic biological diversity in the world. However, our knowledge of the rich biological diversity of this region and the evolutionary processes that have shaped it remains limited, as is our understanding of the capacity for species to adapt or otherwise respond to current and projected environmental change. In this regard, research efforts are needed to increase current...

This paper discusses the roles of stakeholders in improving quality of university education in Nigeria.Internal and external stakeholders are identified and the various roles they could play in improving the quality of university education are discussed.The paper contends that continuous and holistic improvement in university education system requires the collaborative efforts of various stakeholders both internal and external.Collaboration will help to trigger improvement in university...

This paper examines the relationship between teacher-related factors and student’s attitudes towards Chemistry subject in secondary schools in Kenya. The paper is based on a study conducted in Bureti District in Kericho County, Kenya. This paper highlights issues on the teaching methods used by chemistry teachers, the teachers’ availability to attend to various needs of students on the subject, their use of teaching and learning resources in teaching, teachers’ personal levels of skills and...

Preventing and reducing vulnerability of people living with disabilities are key interventions that will determine the quality of life. The study focused on an analysis of provision of clean water to this special population in four peri-urban areas around the city of Harare, namely Whitecliff, Hopely, Caledonia and Epworth. The population included people with disabilities living in the four areas. The study was a descriptive survey where data from four local clinics was collected through...

Dental practice represents an occupational hazard for injuries and transmission of serious infections and dental students are generally considered at a higher risk because they undertake exposure prone techniques during their training years. No published literature is available on sharp injuries among dentists in Sudan. The aim of this survey was to describe the epidemiology of sharp instruments injuries in dental students at a dental school in Sudan. An anonymous self-administered...

The need for palliative care education remains vital to contribute to the quality of life of patients, both adults and children, with cancer in Africa.The number of patients with cancer continues to rise, and with them the burden of palliative care needs.Palliative care has been present in Africa for nearly four decades, and a number of services are developing in response to the HIV/AIDS epidemic.However, the needs of cancer patients remain a challenge.Education and training initiatives have...

Social Studies seen as helping pupils acquire relevant knowledge, positive attitudes, skills and values which in effect will equip them to be competent, concerned, reflective and problem solvers by the Junior High School (JHS) curriculum. Forming a better conception about Social Studies has necessitates the need to research into the scope of content of Social Studies in the Colleges of Education in Ghana since the subject is taught mostly by diploma teachers from the country’s thirty-eight...

278 paginas.-- 213 referencias.-- Aprendice con 5 tablas.-- Tesis doctoral presentada por Sameh Kotb Mohamed Abdelmabod en cumplimiento de los requisitos para optar al grado de Doctor por la Universidad con a calificacion: Sobresaliente Cum Laude. presentada en Sevilla el 10 de Diciembre de 2014. de Sevilla

Background. Attention-deficit hyperactivity disorder (ADHD) is the most commonly diagnosed behavioral problem in children. Global variations in diagnostic criteria and rating scales of ADHD either by DSM-IV or ICD 10 may contribute to variations in its prevalence. Objectives. The study was conducted to estimate the prevalence of ADHD and to determine its risk factors. Methodology. A cross-section comparative study was conducted in a randomly selected four primary schools in Menoufia...

Abstract. In eastern East Africa (the southern Ethiopia, eastern Kenya and southern Somalia region), poor boreal spring (long wet season) rains in 1999, 2000, 2004, 2007, 2008, 2009, and 2011 contributed to severe food insecurity and high levels of malnutrition. Predicting rainfall deficits in this region on seasonal and decadal time frames can help decision makers implement disaster risk reduction measures while guiding climate-smart adaptation and agricultural development. Building on...

 Abstract—Access to university education in Nigeria has become a serious issue due to sector's inability to provide an equal access to students that result in lowering the rate of student enrolment in higher education. This paper examines the issues entailing the education sector of Nigeria and inhibiting the process of providing equal access to university education. The research investigation shows that Nigerian Education sector is facing multiple issues related to administrative, social...

University students played a pivotal role in the Arab uprisings in 2011. This article explores the link between reform policies and social mobilisation through a comparison of university reforms and student protests in Egypt and Morocco. It argues that both—the fabrication of social policies and the formation of protest—are rooted in the specific political configuration of authoritarian regimes. Egypt and Morocco have both embarked on internationalising higher education, but the monarchy was...

The study was carried out to determine the prevalence of Entamoeba histolytica and Giardia lamblia among primary school pupils in four communities of Bosso Local Government Area in Niger State, Nigeria.Stool samples from 250 pupils were collected and examined for Entamoeba histolytica and Giardia lamblia using formol ether concentration technique.Out of the 250 samples analyzed, 115 (46%) for either Entamoeba histolytica or Giardia lamblia or both.Ninety (36.0%) subjects were positive for...

In this article, the authors provide portraits of three mathematics teachers: one European American man, one African American man, and one Middle Eastern woman. All three taught in secondary schools with predominantly African American student populations. Semi-structured interviews and observations were conducted to create a comparative case study that analyzed the teachers' "star" background experiences and skills (Haberman, 1995). The analysis also focused on whether or not there was a...