Volume 8, Issue 3
مرور بر اساس
ارسال های اخیر
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Spatial Decision Analysis on Wetlands Restoration in the Lower Reaches of Songhua River (LRSR), Northeast China, Based on Remote Sensing and GIS
(University of Tehran/Springer, 2014-07-01)Wetlands in the Lower Reaches of Songhua River (LRSR), Northeast China, are rich in biodiversityand natural resources, which provide crucial staging and wintering habitats for various endangered species.However, ...
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Persian Gulf is a Bioresource of Potent L-Asparaginase Producing Bacteria: Isolation & Molecular Differentiating
(University of Tehran/Springer, 2014-07-01)L-asparaginase is a candidate enzyme for anti-neoplastic agent againstacute lymphoblasticleukemia and also extensively use in the food industry for prevention of acrylamide formation. L-asparaginase is widely distributed ...
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Polycyclic Aromatic Hydrocarbons Levels in Sediment, Benthic, Benthopelagic and Pelagic Fish Species from the Persian Gulf
(University of Tehran/Springer, 2014-07-01)In this study, three stations of the north Persian Gulf were analyzed in order to determinethe effect of trophic levels on the concentration of harmful PAHs in fish and sediment. In all cases,similar distributions ...
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Application of Nanofiltration and Reverse Osmosis for Tanning Wastewater
(University of Tehran/Springer, 2014-07-01)The aim to achieve in this study is to recover the Cr(III) and process waters used in thewastewaters of chrome tanning operation by membrane process during leather production. In the treatmentalternative contains, ...
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Variable Exposure and Responses to Cyanotoxins in Cattle Grazing on Pastures in the Coastal Zone of the Baltic Sea: A field Study
(University of Tehran/Springer, 2014-07-01)Cyanobacteria blooms are common in Baltic Sea and their intensity have been increased due toanthropogenic eutrophication. In this study we investigated the cyanotoxin levels in the water samplescollected from ...
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Physicochemical Characteristics of Fine Ambient Aerosol from Quasi-Rural Area in Southern Poland
(University of Tehran/Springer, 2014-07-01)24-hour samples of PM1 (submicron particles, aerodynamic diameters ≤1 μm) and PM2.5(fine particles, aerodynamic diameters ≤ 2.5 μm) were collected at a quasi-rural area in Racibórz (1 January-30 June 2011). The ...
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Trends Analysis of Ecological Environment Security Based on DPSIR Model in the Coastal zone: A survey study in Tianjin, China
(University of Tehran/Springer, 2014-07-01)The “Driving force - Pressure - State - Impact – Response" modeling framework isadopted to consider the formation mechanisms of environmental risks and the requirements ofecological environment protection. ...
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Peat Water Treatment using Chitosan-Silica Composite as an Adsorbent
(University of Tehran/Springer, 2014-07-01)The objective of this study is synthesis and characterization of the chitosan-silica composite (CSC) and use them as an adsorbent material for peat water treatment. The resulting composite was characterizedby Fourier ...
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Treatment of Toxic Organics in Industrial Wastewater using Activated Sludge Process
(University of Tehran/Springer, 2014-07-01)In Pakistan besides pesticide contamination from agricultural field, the manufacturing industriesare also contributing relatively high quantities of toxic pesticides into the environment. These pesticides maybe ...
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The Trophic State of Patagonian Argentinean Lakes and its Relationship with Depth Distribution in Sediment Phosphorus
(University of Tehran/Springer, 2014-07-01)The parameters used to determine the trophic state of a water body are: total phosphorus (TP),transparency (Secchi disk depth) and chlorophyll a. However, these parameters show strong seasonalfluctuations which ...
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Trace Metal Concentrations in Size-Fractionated Urban Atmospheric Particles of Sarajevo, Bosnia and Herzegovina
(University of Tehran/Springer, 2014-07-01)A study of the atmospheric particulate size distribution of total suspended particulate matter(TSPM) and associated heavy metals concentrations has been carried out for the urban part of Sarajevo city,Bosnia ...
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Effectiveness of Crude Biosurfactant Mixture for Enhanced Biodegradation of Hydrocarbon Contaminated Soil in Slurry Reactor
(University of Tehran/Springer, 2014-07-01)A crude biosurfactant mixture was produced in a 1.4 L tubular reactor by a mixed culture; afterthe thermal treatment of the whole culture an increase in emulsification activity and surface tension wasobserved, ...
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Adsorption of Ni(II) by Exiguobacterium sp. 27 and Polyaniline Nanoparticles
(University of Tehran/Springer, 2014-07-01)The present study was carried out to investigate three different adsorbents; dry cells of thebacterium Exiguobacterium sp. 27, polyaniline and a mixture of both in different ratios for removal of Ni(II)from ...
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Probabilistic Risk Assessment of Consumer Exposure to Particle-Bound PAHs at a Taiwanese Night Market
(University of Tehran/Springer, 2014-07-01)The purpose of this study was to conduct a quantitative risk assessment for PAH exposure forconsumers at a night market in Taiwan. The major methods assessed potential risk under different exposure scenarios based ...
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Environmental Orientation as a Determinant of Innovation Performance in Young SMEs
(University of Tehran/Springer, 2014-07-01)The popular press, as well as most academic literature, claims that innovation activities areinherently linked to higher company performance. Successful innovations usually increase the firm's marketscope or ...
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Soil Water Availability and the Renewal of Oak Forest Stands in a Coastal Mediterranean Area: an Experimental Study
(University of Tehran/Springer, 2014-07-01)this study was aimed to assess the causes of the structural decline in the renewal rate of apristine oak forest close to Rome (central Italy) by analyzing long-term measurements of the water budget in open and fenced ...
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Multi-Criteria Decision Modeling for Environmental Assessment. An Estimation of Total Economic Value in Protected Natural Areas
(University of Tehran/Springer, 2014-07-01)The conceptualization of Total Economic Value (TEV) associated with protected natural areasnecessarily requires an analytical reordering that ensures a simultaneous incorporation of natural, social andeconomic ...
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Measurement of Extremely Low Frequent Magnetic Induction in Residential Buildings
(University of Tehran/Springer, 2014-07-01)In this paper are present the results of measurements of magnetic induction at some locationsin city Bor (the east Serbia) dating from the household electric devices and transformer stations suited near the residental ...
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Selenium Content in Selected Organs of Roe Deer (Capreolus capreolus) as a Criterion to Evaluate Environmental Abundance of this Element in Poland
(University of Tehran/Springer, 2014-07-01)Due to the fact that a considerable part of Europe, including some regions of Poland, isconsidered to be deficient in selenium, it seems necessary to develop a selenium map for different regions of Poland, which will ...
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Evaluation of Effectiveness of Domestic Wastewater Treatment by Infiltration Through Sand and Pozzolana in PVC Columns
(University of Tehran/Springer, 2014-07-01)The purpose of this work was to test the efficiency of the treatment of wastewater by infiltrationunder laboratory conditions, to remove bacterial and organic load and to convert it to available nutrient for crop plants. ...



