European Scientific Journal

http://eujournal.org/index.php/esj

List of Papers (Total 14,371)

Application De La Télédétection Et Du Sig Au Suivi Des Formations Végétales De La Forêt Classée Des Trois Rivières Au Nord-Est Du Bénin

The creation of protected areas was intended to counter the advance of the agricultural front and other forms of pressure on natural ecosystems, but today these pressures strongly affect these protected areas. The dynamics of the vegetation was studied in Trois Rivières forest reserve in north-eastern Benin, based on Remote Sensing and GIS techniques. This study aims to analyse...

The Influence of Brand Image, Brand Trust, Product Quality, and Price on the Consumer’s Buying Decision of MPV Cars

This paper focuses on testing the model of consumer’s buying decision of Multi-Purpose Vehicle (MPV) cars. The research model involved four independent variables of brand image, brand trust, product quality and price; and the dependent variable of buying decision. The study found that the four independent variables were proven to be capable of positively and significantly...

Dynamique De L’occupation Du Sol Dans Les Zones Humides De La Commune D’allada Au Sud-Benin (Sites Ramsar 1017 Et 1018)

The wetlands are the integral element of the natural resource of Benin Republic. However, anthropic pressure on those “fragil” environments, contribute to the reducing of their surface and accordingly, to a loss their biodiversity. The target objective is to make cartography of land units from 1990 to 2014 in order to identify the various pressures upon the wet ecosystems. A 2014...

Caractéristiques Dimensionnelles Des Principaux Organes Du Tractus Génital Mâle De Anisopteromalus Calandrae Howard (Hymenoptera: Pteromalidae) En Fonction De L’âge

The reproductive capacity of the parasitoïd of cowpea bruchids Anisopteromalus calandrae Howard (Hymenoptera: Pteromalidae) male depends on the number of spermatozoa produced and spilled in the seminal vesicle. The objective of this study is to determine the dimensional characteristics of the different parts of the male genital tract of A. calandrae depending on age. Photographs...

Factorial Structure of the Self-Report Barriers for Practice Physical Exercise in Mexican Athletes University Students

The present study intends to investigate if the psychometric results are replicated for the Self-Report of Barriers to the Practice of Physical Exercise (ABPEF) in Mexican athletes university students. A total of 651 university students participated (mean age = 20.8 ± 2.4 years). The factorial structure of the questionnaire was analyzed through confirmatory factor analyzes, which...

Integration of GIS and HEC-RAS in Floods Modeling of Martil River (Northern Morocco)

This work describes the application of Hec-RASas Hydrologic Engineering Center derived River Analysis System model to the establishmentof floodplain maps for Martil river. Modeling with Hec-Ras enables calculation of, among other variables, water levels, depths and flow velocities for the different flow configurations and different cross-sectional zones along Martil River, i. e...

Dynamique Des Eléments Nutritifs Et Du Phytoplancton Dans Le Barrage Béni Haroun Dans l’Est Algérien

In order to monitor the water quality of the Beni Haroun dam, used for the drinking water production, our research work aims to provide new scientific data on the phytoplankton population of the dam. This contribution is a qualitative and quantitative investigation of this important link in the ecosystem equilibrium. To our knowledge, this study has never been the subject of a...

Systèmes Agroforestiers A Garcinia Kola Heckel Au Sud-Est Du Bénin : Distribution Géographique, Connaissances Endogènes Et Retombées Financières

This study was carried out in three districts (Avrankou, Adjarra, and Ifangni) of south-eastern Benin, and aimed to analyze the socio-economic and ethnobotanical importance of Garcinia kola Heckel, in order to contribute to their sustainable management. Focus groups were conducted with three groups, composed of 10 owners of G. kola per district each and the result showed that...

Impacts De L’urbanisation Sur Les Caractéristiques Morphologiques Et Les Apports En Eau Du Barrage Hydro-Agricole De Nanan Dans Le Département De Yamoussoukro (Côte d’Ivoire)

The significant decrease in the water level of the Nanan agricultural dam is becoming very worrying for rice farmers. In this study, we analyzed the land use dynamics of dam watershed and its impacts on morphological characteristics and reservoir inflow. This analysis was conducted by coupling the satellites images of Landsat sensors over a thirty years, Digital Terrain Model...

Treatment Seeking Practices for Malaria: A Household Case of Uasin Gishu County, Kenya

Introduction: Malaria is among the leading cause of morbidity and mortality in Kenya. Malaria treatment seeking practices in epidemic areas in Africa such as Kenya are not well studied. The study aimed at assessing the treatment seeking practices in residents of Uasin-Gishu County following Malaria infection. Methods: Study was cross sectional study design. Stratified random...

Importance Ethnobotanique Et Des Menaces Sur Le Délice Du Boboye, Neocarya Macrophylla (Sabine) Prance, (Chrysobalanaceae) Dans La Vallée Fossile Du Dallol Bosso (Niger)

The present study conducted in the Dallol Bosso fossil valley aims to know the local perception of the level of threat on the Neocarya macrophylla species in order to provide indicators of sustainable management of the natural stand. To do this, surveys were conducted in two agro-ecological zones.The collection of information was carried out through a simple questionnaire based...

Suppressed HF Behaviour in the Periodic Anderson Model

The periodic Anderson model is applied to 4 electrons on 4 sites with periodic boundary conditions. We applied magnetic field to the localized forbitals, Eσf. The number of electrons is taken to be one per site and the interactions between different sites is restricted to nearest neighbors. The many body eigenvalues are calculated exactly using exact diagonalization technique. We...

Depth and Seasonal Effects on the Settlement Density of Two Mussel Species (Perna Perna and Mytilus Galloprovincialis) in Offshore, Agadir (Morocco)

A study of spat settlement of two mussel species was carried out in Agadir area on the North Atlantic Coast, between Jan 2002 and Jan 2003. The preferred depth of settlement and settlement period of both species were monitored on collectors suspended in offshore at three different depths (1, 5, 10 m). For Perna perna, the effect of season on settlement was consistent, with...

Pollution Bactérienne Et Toxique Dans Les Eaux Des Rejets Industriels Et Domestiques Du Littoral Atlantique (Casablanca Est- Maroc)

In this work, we will focus on the assessment of the quality of the Casablanca EST coastline, including bacterial and toxic water pollution, before the realization of the SIDI BERNOUSSI pre-treatment station. For this purpose, a set of analyzes were carried out on the littoral waters to evaluate the quality of sea water. This companion of analyzes includes: Analyzes on the...

Modelisation Des Changements D’occupation Des Terres En Region Soudanienne Au Nord-Ouest Du Benin

In north-west Benin, land occupation is undergoing a significant dynamic due to intense human activities putting the ecosystem in precarious balance. The objective of this study is to quantify landscape dynamics and explore possible futures of land use using remote sensing, GIS and spatiotemporal modelling tools. Landsat socio-economic data and images (1987, 2000 and 2016) were...

The Effects of Patients' and Care-Givers' Knowledge, Attitude, & Practice (KAP) on Quality of Life Among Thalassemia Major Patients' in Damascus-Syrian Arab Republic

Background: Thalassemia is the most common autosomal abnormality in Syria. Its complications have an important effect on education; time off school; sport; difference from friends/ siblings; social interactions; and stigmatization. Knowledge of factors associated with quality of life in thalassemia patients is necessary for forming appropriate clinical programs, social support...

Contamination Métallique D’une Espèce De Poisson (Brama Brama) De La Côte Dakaroise

Pollution of metal origin constitutes one of the major risks in the world today. The metal elements can be very dangerous to human health when they are present in the environment at high concentrations. Thus, the evaluation of the metal contamination in marine organisms, especially fish, makes it possible to predict a possible contamination of humans. This paper focuses on...

Hypoglycemic Potential of Aqueous Extracts of Ageratum Conyzoides L., Anthocleista Djalonensis A. Chev. and Bidens Pilosa L., Three Plants from the Ivorian Pharmacopoeia

Ageratum conyzoides L. (Asteraceae), Anthocleista djalonensis A. Chev. (Gentianaceae) and Bidens pilosa L. (Asteraceae) are three plants used in traditional medicine to treat diabetes. The objective of this present study was to investigate the hypoglycemic potential of the aqueous extracts of these three plants, in order to justify their use by traditional healers. Each extract...

Petrology, Geochemistry and Geodynamic Significance of the Mafic and Ultramafic Rocks of the Akou (Okondja Basin, Gabon)

The Akou section (Okondja in the Francevillian Basins, Gabon) has a set of mafic and ultrmafic magmatic rocks with various deposit patterns; interbedded basaltic flows, sills and small intrusive bodies within the formations FB francevillian series. The succession of these rocks pyroxenites, gabbros and basalts characterizes the oceanic crust. These rocks mainly consists of...

Challenges of Coming Out: Inputs in Improving Mental Health

Homosexuals face challenges in unraveling their personality, thus, the process of coming- out becomes a very difficult experience. Most of the homosexuals are craving for the liberty to express their personalities which they believe would give essence to their existence. They are hampered by various factors in the society in which they need to come across and gain acceptance and...

Efficacité De La Pollinisation Entomophile Du Palmier A Huile Dans Les Plantations Du Sud-Ouest Et Du Sud-Est De La Côte d’Ivoire

Low fruit set rates in oil palm plantations may be related to inadequate entomophilous pollination. The objective of this study was to follow the variations of fruit set and to determine its relationships with the entomofauna visiting inflorescences at La Mé, Grand-Béréby and Iboké in Côte d’Ivoire. Densities of the insects were followed out on male and female inflorescences...

Evaluation Au Champ Du Potentiel De Croissance Et De La Production Du Riz (Oryza Sativa L.) Variété IR841 Inoculé En Pépinière Par Quatre Souches De Champignons Mycorhiziens À Arbuscules

The growth and production of rice (Oryza sativa L.) variety IR841 were evaluated in response to arbusular mycorrhizal fungus (AMF) inoculation. Four strains of AMF (Acaulospora spinosa, BEN 10, Glomus mosseae and G. hoi) were tested at 1.96 x 105 ; 3.91 x 105 and 7.82 x 10 5 spores/ha during two growing seasons 2016 and 2017, in a complete random block design. Uninoculated plants...

Comparative Evaluation of Serum Calcium and Magnesium Level in Preeclamptic and NonPreeclamptic Women in a Tertiary Hospital in Southern Nigeria

Background: Calcium and magnesium are two micronutrients whose role in the development of preeclampsia has been investigated over the years. There is paucity of studies on the role of serum levels of calcium and magnesium in the development of preeclampsia in south-south Nigeria. Objective: Our study evaluated the serum level of calcium and magnesium in preeclamptic and non...

Effect of Chromolaena Odorata on Hepatotoxicology and Histopathology in the Liver Induced by Salmonella Typhi in Wistar Rats

Typhoid fever, also known as enteric fever, is caused by the human restricted bacterial pathogen known as Salmonella enterica serovars typhi, which is always associated with liver pathology. This study attempts to investigate the Hepatotoxicological and Histopathological changes of the liver associated with Salmonella typhi infection in Wistar rats and to examine the potential of...