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179 results for “ABR”
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Research ArticleOpen accessIn the abstractForecasting and Time Series Analysis of Air Pollutants in Several Area of MalaysiaMohd Zamri Ibrahim, Roziah Zailan, Marzuki Ismail, Muhd Safiih LolaProblem statement: In keeping abreast with Malaysia’s rapid economic development and to meet the nation's aspiration for an improved quality of life, clean-air legislation limiting industrial and automobile emissions was adopted in 1978. Approach: Yet, to this day, air pollution from both sources still poses a problem for the nation. In order to predict the status of future air quality … …American Journal of Environmental Sciences, Vol. 5, Issue 5 · 31 Oct 2009 · 7,761 accessesView PDFCite
Research ArticleOpen accessIn the abstractNorm Divergence Opportunity Structure and Utilization of Self-Employed Immigrants' QualificationsShahamak Rezaei, Marco GoliProblem statement: Denmark experienced one of the most successful periods of its economy in 2004-2008, with a tremendous reduction of 77% in unemployment. Due to the structural challenges with regard to the labor market the utilization of immigrants’ qualifications has come up to the surface of political and societal debate in Denmark. The focus of this study was challenges to … …Journal of Social Sciences, Vol. 5, Issue 3 · 30 Sep 2009 · 7,832 accessesView PDFCite
Research ArticleOpen accessIn the abstractMast Cells Inhibit CD8+ T Cell-Mediated Rejection of a Malignant Fibrous Histiocytoma-Like Tumor: Involvement of Fas-Fas Ligand AxisHiroshi Furukawa, Hiroshi Kitazawa, Izumi Kaneko et al.Problem statement: Mast cells develop from bone marrow-derived progenitor cells and are distributed in the skin or mucosa where they play proinflammatory roles in the first line of defense. Since some tumors in humans and experimental animals exhibited infiltration of increased mast cells, we investigated the contribution of mast cells to the override of tumor rejection. Approach: MRL/N-1 cells are … …American Journal of Immunology, Vol. 5, Issue 3 · 30 Sep 2009 · 7,670 accessesView PDFCite
Research ArticleOpen accessIn the abstractPreliminary Tests Concerning Zero-Valent Iron Efficiency in Inorganic Pollutants RemediationSilvia Fiore, Maria Chiara ZanettiProblem statement: This study was aimed to a preliminary evaluation of the applicability of granular Zero-Valent Iron (ZVI) to the on site remediation of groundwater polluted by inorganic contaminants by means of a Permeable Reactive Barrier (PRB). A particular interest was devoted to groundwater impacted by Acid Mine Drainage (AMD) that was caused by the oxidation of metal sulphide minerals … …American Journal of Environmental Sciences, Vol. 5, Issue 4 · 31 Aug 2009 · 6,789 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffect of the 2004 'Boxing Day' Tsunami on Water Properties and Currents in the Bay of BengalNaveendra Reddy, Than Aung, Awnesh SinghProblem statement: Variation of temperature, salinity and geostrophic current in the Bay of Bengal due to the 2004 Boxing Day tsunami was investigated in this project using ARGO float and absolute dynamic height topography data. This was done to determine the effect of the tsunami on the water properties in the bay. Approach: The study area was between latitudes 5º … …American Journal of Environmental Sciences, Vol. 5, Issue 3 · 30 Jun 2009 · 7,386 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Short-term Management Strategy for Improving Transit Network EfficiencyAmir Samimi, Hedayat Z. Aashtiani, Abolfazl (Kouros) MohammadianImproving the service quality of the public transport systems has always been an interesting research area in the field of transportation planning. Public transit system expansion and enhancement has been known as a recognized way to improve congested metropolitan areas. In order to make a transit system more attractive to people, both long and short term management strategies should be … …American Journal of Applied Sciences, Vol. 6, Issue 2 · 28 Feb 2009 · 7,208 accessesView PDFCite
Research ArticleOpen accessIn the abstractStudy of Benthic Fauna in the Discharge Lagoon of a Shrimp Farm With Special Emphasis on the PolychaetesLuis Rafael Martínez Córdova, Luis Fernando Enríquez OcañaA study of benthic fauna, with special emphasis on polychaetes, was made in the discharge lagoon of an experimental shrimp farm and a pond of the farm. The discharge lagoon was divided into three sections and stocked with shrimp at low density (6 Pl/m2). Neither formulated feed nor fertilization was used in these sections. The control pond was stocked with … …OnLine Journal of Biological Sciences, Vol. 7, Issue 1 · 31 Dec 2007 · 6,680 accessesView PDFCite
Research ArticleOpen accessIn the abstractPM Emissions in a Urban ContextEnrico Brizio, Giuseppe Genon, Stefania BorsarelliWithin a urban environment, three different sources of particulate matter should be considered: heating plants using different combustibles (natural gas, gas oil, fuel oil, wood), industrial plants placed in the surrounding area, traffic. While the effects of the first two origins can be easily calculated on the basis of existing emission factors, the PM emissions from traffic are of two … …American Journal of Environmental Sciences, Vol. 3, Issue 3 · 30 Sep 2007 · 6,872 accessesView PDFCite
Research ArticleOpen accessIn the abstractDevelopment of a Prototype Automated Sorting System for Plastic RecyclingD. A. Wahab, A. Hussain, E. Scavino et al.Automated sorting for plastic recyclables has been seen as the way forward in the plastic recycling industry. Automated sorting provides significant improvements in terms of efficiency and consistency in the sorting process. In the case of macro sorting, which is the most common type of automated sorting, efficiency is determined by the mechanical details of the material handling system as … …American Journal of Applied Sciences, Vol. 3, Issue 7 · 31 Jul 2006 · 8,824 accessesView PDFCite