Qatar Foundation Annual Research Forum Volume 2012 Issue 1

This study was conducted over 45 days, on a total of 25 sample animals. It targeted the nutritional myopathies of camels, born and bred in Qatar, ranging in age from zero to three months. Blood and fecal samples of young were collected to identify the quality of commercially-used starter feeds and conventional feeds. Commercially manufactured silage stored and produced within the municipality is available for herdsmen Read More

Wind has been used as a natural renewable energy source for a few thousand years. Early applications included wind-powered ships, grain mills, water pumps, and threshing machines. With the evolution of technology, the last decades of the 20th century in particular, saw the development of machines which efficiently extract power from wind. These wind turbines are machines with rotating blades that convert the kinetic ener Read More

The darkling beetle Adesmia cancellata Solier, 1835 (Coleoptera: Tenebrionidae) is considered a dominant arthropod in the Qatari desert as suggested by previous studies. The species is also distributed in the Arabian Peninsula, Syria and Israel. The objective of our study is to explore the evolutionary history of this species in Qatar through genetic analysis. We first collected different individuals of A. cancellata in the field fr Read More

The critical ratio of Cl to HCO concerning the corrosion rate has been determined with and without electrolyte erosion in 0.3 M NaHCO3 by using various concentrations of NaCl for X52 and X100 steels. The open circuit potential (OPC) was recorded for both steels in electrolytes containing 0.3 M NaHCO3 and 0.1 M NaCl without erosion, with electrolyte erosion, and with electrolyte-silica sand erosion. Electrochemical techniques Read More

Solar power plants using parabolic trough solar collectors, operating Rankine steam cycles, are well proven and the most widely used type of solar power plant (SPP) worldwide. These plants have a low power cycle efficiency (30%) due to low throttling conditions of 350-375°C and 100 bar. Conventional steam power plants have high throttling conditions (535-560°C and 140-160 bar) and high efficiency (38-40%). An SPP was Read More

Background: Cobalt catalysts are employed in catalyzing several important and selective reactions, one of which is the Fischer-Tropsch (F-T) reaction that is becoming of particular importance because of its application in converting natural gas and coal into liquid fuels. Supported cobalt catalysts are used most commonly for F-T reactions because of their high activity, high selectivity for forming linear hydrocarbons, low a Read More

Passive control is preferred due to its simplicity and zero power consumption. A common passive control device is the impact damper which consists of a freely moving mass constrained by two stops inside a container mounted on the primary system. Typical application of impact dampers are vibration attenuation of cutting tools, television antennas, turbine blades, manufacturing machines, heavy armored person Read More

Background and Objective: The Arabian oryx (Oryx leucoryx) was hunted to near extinction in from the 1950s to the 1970s. Thus, the oryx ranks among the rarest mammals in the world. Qatar currently has ~800 oryx and has donated numerous oryx to breeding programs around the world. As such, Qatar may be a significant source of genetic diversity to the worldwide oryx population. The primary purpose of this project wa Read More

Background: Traditionally, household pest control relies entirely on the use of pesticides. Multiple hazards are associated with the use of pesticides. Objectives of the study: Because of the potential health effects of pesticides exposure, the main aim of this study is to seek alternative methods to control cockroaches. Management measures that keep unwanted pests out buildings and houses can control cockroaches and their ass Read More

Background and Objectives: Due to overuse and inappropriate use of antibiotics, many pathogens are now highly resistant to common antibiotics. This has caused difficulties in controlling disease, particularly in developing countries, where infectious, enteric and diarrheal diseases are a leading cause of illness and mortality. The purpose of this study was to determine the antimicrobial activity of Qatar's local desert plants in an ef Read More