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1,809 articles for “AFT”
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Research ArticleOpen accessIn the abstractStatistical Verification of Folk Medicinal Potentiality of Wild Dicot Aquatic Plants in JordanS. Al-Qura'nThis study describes a floristic study of Jordan with its environs. The study was carried out during 2001-2003 and 287 aquatic dicot samples were collected and photographed in the field. After the identification of the specimens, the total wild aquatic dicot species have been determined as 87 species belonging to 59 genera and 33 plant families were presented in investigated … …American Journal of Environmental Sciences, Vol. 1, Issue 1 · 31 Mar 2005 · 6,478 accessesView PDFCite
Research ArticleOpen accessIn the abstractMethyltert-butyl Ether (MTBE) Degradation by a Microbial ConsortiumS. B. Mortazavi, A. Nikpey, A. Rezaee et al.Methyl tert-butyl ether (MTBE) is added to reformulated gasoline to meet the 1990 Clean Air Act directives. Widespread use of MTBE in gasoline has resulted in groundwater contamination. Because of its undesirable effects on drinking water and ecologically harmful effects, MTBE removal has become a public health and environmental concern. In this study, we have isolated a mixed bacterial culture … …American Journal of Environmental Sciences, Vol. 1, Issue 1 · 31 Mar 2005 · 6,994 accessesView PDFCite
Research ArticleOpen accessIn the abstractApplication of the Ozonation Pre-treatment for Biodegradation of Aqueous Solutions of Methyltert-Butyl EtherM. Sadeghi, A. Mesdaghinia, A. Badkoubi et al.The effectiveness of ozone treatment for improving the biodegradability of recalcitrant pollutants has been proved by investigating the ozonation reaction of Methyl tert-butyl ether (MTBE) a bioresistant gasoline oxygenate. Laboratory scale experiments have been carried out, at room temperature, by bubbling, for 120 min, ozonated air (3.4 ppm min-1 ) into 3 liter of an alkaline (pH=11.5) aqueous solution (100 … …American Journal of Environmental Sciences, Vol. 1, Issue 1 · 31 Mar 2005 · 6,463 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Development of a New, Rapid, Amperometric Immunosensor for the Detection of Low Concentrations of Bacteria Part II: Optimization of the System for Escherichia coliEric Carnes, Ebtisam WilkinsThe optimization of a flow-through immunoassay system was conducted to achieve rapid detection of low concentrations of E. coli bacteria. The system includes a new immunosensor that uses newly developed, disposable immunofiltration membranes to yield a system that is sensitive as well as simple. Comparison of the performance of this system with conventional immunoassays demonstrated a significantly shorter time for … …American Journal of Applied Sciences, Vol. 2, Issue 3 · 31 Mar 2005 · 6,780 accessesView PDFCite
Research ArticleOpen accessIn the abstractReplacement Heifer Selection in A Beef Cattle HerdAkin Pala, Roger McCrawThe relationship between a heifer's weaning weight and her fertility and weaning weight of her calves was studied. Also investigated was the effect of dam amount of fat (DAF=dam weaning weight/weaning height) on heifers' ability to breed and rebreed. This is similar to Body Mass Index (BMI) calculated for humans. The relationship of dam's average daily gain from birth to … …American Journal of Applied Sciences, Vol. 2, Issue 2 · 28 Feb 2005 · 6,814 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffect of Cathodically Charged Hydrogen on the Microhardness of Pure CopperGhazi S. AL-Marahleh, Amjad S. El-AmoushThe effect of hydrogen on the microhardness of pure copper was investigated after experiments conducted on specimens that hydrogen charged under different cathodic charging conditions. Microhardness measurements revealed that the introduction of hydrogen caused hardening on the surface of copper. The severity of the hardened region increased with either cathodic current density or charging time. Further charging increased the depth … …American Journal of Applied Sciences, Vol. 2, Issue 2 · 28 Feb 2005 · 7,280 accessesView PDFCite
Research ArticleOpen accessIn the abstractSimulation of Thermal Stratification in Urban Man-made LakesJ. Nouri, H. Rahimipour, R. NezakatiChitgar artificial lake, located in the urban District-22 Municipality of Tehran northwest of Tehran, Iran is by volume l0 Million Cubic Meter (MCM), by depth average 10 meters (m.) and by area 225 hectares (ha) as the Iran’s largest man-made lake. The most important water resources of the district, which can support the lake water, are Kan River, municipal runoff, … …American Journal of Applied Sciences, Vol. 1, Issue 4 · 31 Dec 2004 · 7,189 accessesView PDFCite
Research ArticleOpen accessIn the abstractProduction of a New Model for Evaluation of Iran Ecological Capabilities in Order to Establish Services and Civil Development ApplicationJ. Nouri, S. A. JoziThis study is aimed to design a new model for service and civil development application in order to be used in evaluation of Iran ecological capability studies. For this purpose in the first step, the frequency of sustainable and unsustainable ecological factors in Iran was known. In the next step, the Delphi method was used which is itself a branch … …American Journal of Applied Sciences, Vol. 1, Issue 3 · 30 Sep 2004 · 6,513 accessesView PDFCite
Research ArticleOpen accessIn the abstractSmall Business Critical Success/Failure Factors In Developing Economies: Some Evidences From BotswanaZelealem T. Temtime, J. PansiriAlthough the discovery of diamond has propelled Botswana from one of the poorest countries in 1966 to its current economic status as a middle-income country, the country still faces the problems of economic diversification, employment creation, income generation and distribution and poverty alleviation. Governmental and non- Governmental organizations have put many efforts on the development of small and medium Enterprises … …American Journal of Applied Sciences, Vol. 1, Issue 1 · 31 Mar 2004 · 9,322 accessesView PDFCite