نتایج جستجو برای: east and central africa
تعداد نتایج: 16930528 فیلتر نتایج به سال:
the study aimed to come up with a list of specific macroalgae species, which could be used to biomonitor specific metal elements in the coastal waters of east africa. water extraction, edta, aqua regia extraction and optimized bcr 3-step sequential extracts were used to mimic bioavailable metals under various environmental conditions. the results indicated that ulva lactuca could be used as a ...
Plague is an ancient disease of humans and animals, caused by the bacterium Yersinia pestis and transmitted by fleas. It continues to occur in many regions of the world: in the Far East, Central Asia, North Africa, subSaharan Africa, and North and South America. However, >90 % of cases of human plague are reported in Africa. Most cases result from flea bites and take the clinical form of buboni...
on- the-job training on of the most effective tools for managers to cope with the changing organizational environment. it grantess suitable services to customers, particularly in public service enterprises. if such training os goal oriented, planned systematically, and tailored to the employees, job content, then not only it could increase employees and organizational performance, but also it c...
In October 2003, 9 human cases of hemorrhagic fever were reported in 3 provinces of Mauritania, West Africa. Test results showed acute Rift Valley fever virus (RVFV) infection, and a field investigation found recent circulation of RVFV with a prevalence rate of 25.5% (25/98) and 4 deaths among the 25 laboratory-confirmed case-patients. Immunoglobulin M against RVFV was found in 46% (25/54) of d...
An American physician-traveler to East Africa presented with manifestations of cerebral malaria and was treated with intravenous quinidine for chloroquine-resistant falciparum malaria. He later relapsed with Plasmodium ovale infection, despite previous primaquine therapy. Treatment of chloroquine-resistant malaria is discussed. The difficulty in diagnosing P. ovale infections and the predominan...
BACKGROUND Genetic polymorphisms are known to influence outcomes with phenytoin yet effects in the Middle East and North Africa region are poorly understood. OBJECTIVES The objective of this systematic review was to evaluate the impact of genetic polymorphisms on phenytoin pharmacokinetics and clinical outcomes in populations originating from the Middle East and North Africa region, and to ch...
This paper briefly analyses the requirements for “share and reuse” of learning objects in Middle East and North Africa. We propose a framework that can be used to connect Learning Object Repositories of the Middle East and North Africa with networks of repositories worldwide; through the services of the ARIADNE Foundation (http://www.ariadne-eu.org/) and the GLOBE consortium (http://globe-info....
Unfavorable weather currently ranks among the major challenges facing agricultural development in many African countries. Impact mitigation through access to reliable and timely weather forecasts and other adaptive mechanisms are foremost in Africa’s policy dialogues and socio-economic development agendas. This paper analyzed the factors influencing access to forecasts on incidence of pests/dis...
Background and Aim: Arab revolutions occurred in late 2010, and the influence of these movements came from Deraa in Syria. Given that the Syrian crisis is a multifaceted, complex, and diverse political and security crisis with conflicting goals, then This research divides actors into three levels of internal, regional, and international in order to accurately explain the subject. Each domestic ...
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