Volume 3, Issue 1
مرور بر اساس
ارسال های اخیر
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Development of the Group Malmquist Productivity Index on non-discretionary Factors
(University of Tehran/Springer, 2009-01-01)Data envelopment analysis (DEA) measures the relative efficiency of a homogenous set of decision-making units (DMUs) when multiple inputs and outputs are present. The DEAbased Malmquist productivity index measuring the ...
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Factors Influencing Non Government Organizations’ Participation in Environmental Conservation
(University of Tehran/Springer, 2009-01-01)Prevalence and diversity of non government organizations (NGOs) is indicative of social and political maturity in any given society. Nowadays, an important concern of NGOs is their efforts in how to attract people’s ...
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Biosorption of Cu (II) by Metal Resistant Pseudomonas sp.
(University of Tehran/Springer, 2009-01-01)Bioremediation of heavy metals remains a major challenge in environmental biotechnology. Biosorption is a novel technique for decreasing metal ion content in the waste water. Biosorption experiments for Cu (II) were ...
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Occurrence and Diagenetic Evolution of Perylene in the Sediments of Oginigba Creek, Southern Nigeria
(University of Tehran/Springer, 2009-01-01)Perylene and penta-aromatic hydrocarbons were determined in sediments as part of a study that was dedicated to the aquatic ecosystem of Oginigba Creek (southern Nigeria) in order to carry out a critical corroboration of ...
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Particulate Pollution Mitigating Ability of Some Plant Species
(University of Tehran/Springer, 2009-01-01)Foliar surface of plants is continuously exposed to the surrounding atmosphere and is, therefore, the main receptor of particulate pollutants. This physical trait can be used to determine the level of particulate pollution ...
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A Study of Iranian New Towns During Pre–and Post Revolution
(University of Tehran/Springer, 2009-01-01)The present paper studies the objectives and functions of constructing the new towns before and after the revolution in Iran. Before the revolution, new towns were established based on political – bureaucratic objectives, ...
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Metals Accumulation in Marine Bivalves and Seawater from the Lagoon of Boughrara in Tunisia (North Africa)
(University of Tehran/Springer, 2009-01-01)The hazardous effect of heavy metals on the histopathology of selected organs of the freshwater fish common carp (Cyprinus carpio L.) was investigated. Gill, liver, kidney and flesh samples were collected after 32 days of ...
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Impact of Cyanide Utilization in Mining on the Environment
(University of Tehran/Springer, 2009-01-01)Cyanide (CN ) is a toxic species that is found predominantly in industrial effluents generated by metallurgical operations. Cyanide’s strong affinity for metals makes it favorable as an agent for metal finishing and ...
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Trace Metal Contents in the Porites Corals of PeninsularMalaysia
(University of Tehran/Springer, 2009-01-01)The concentration contents of Ca, Mg, Sr and Zn in Porites corals from Pulau Langkawi, Pulau Redang and Pulau Tioman were presented. The corals were cleaned and the growth rate examined visually. The growth rate of Porites ...
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Comparison Study of Photocatalytic Properties of SrTiO3 and TiO2 Powders in Decomposition of Methyl Orange
(University of Tehran/Springer, 2009-01-01)Nano-SrTiO3 and TiO2 powders were synthesized using sol-gel method. The SrTiO3 and TiO2 powders were characterized using XRD, SEM, and spectrophotometry. XRD analysis indicated that the TiO2 powder was uniform anatase ...
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Performance of Profiled Vertical Reflective Parallel Noise Barriers With Quadratic Residue Diffusers
(University of Tehran/Springer, 2009-01-01)The paper presents the results of an investigation on the acoustic performance of vertical profile parallel barriers with quadratic residue diffuser tops and faces. A 2D boundary element method (BEM) is used to predict the ...
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Influence of Land-based Fish Farm Effluents on the Water Quality of Yanýklar Creek
(University of Tehran/Springer, 2009-01-01)This study evaluates the influence of Yanýklar Creek on the water quality of Fethiye Gulf. Accordingly, this study demonstrates (i) change in the water quality of Fethiye Gulf from 2006 to 2007; (ii) the water quality ...
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Removal of Arsenic From Aqueous Solution Using Silica Ceramic: Adsorption Kinetics and Equilibrium Studies
(University of Tehran/Springer, 2009-01-01)The removal of As(III) ions from aqueous solutions has been investigated using silica ceramic under different experimental conditions of initial arsenite concentration, adsorbent dose, temperature and pH. Better removal ...
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The Physiological Ecology of Cardamom (Elettaria cardamomum M) in Cardamom Agroforestry System
(University of Tehran/Springer, 2009-01-01)Since 1895 cardamom has been cultivated in the cardamom hills of Western Ghats, India, which form a part of global biodiversity hot spots. These tropical forests in the last couple of decades have been subjected for severe ...
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The Relationship of National and International Environmental NGOs in Bangladesh and Their Role in Wetland Conservation
(University of Tehran/Springer, 2009-01-01)Biodiversity degradation, lose of wetlands and arsenic pollution are becoming the major environmental threats of Bangladesh. Huge number of population, corruption and lack of capacity of the governmental agencies are ...



