نتایج جستجو برای: sulfate concentration

تعداد نتایج: 432536  

Journal: :Microorganisms 2021

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Journal: :Journal of environmental quality 2008
Michela Schiavon Elizabeth A H Pilon-Smits Markus Wirtz Rüdiger Hell Mario Malagoli

The effects of chromate on sulfate uptake and assimilation were investigated in the accumulator Brassica juncea (L.) Czern. Seven-day-old plants were grown for 2 d under the following combination of sulfate and chromate concentration: (i) no sulfate and no chromate (-S), (ii) no sulfate and 0.2 mmol L(-1) chromate (-S +Cr), (iii) 1 mmol L(-1) sulfate and no chromate (+S), or (iv) 1 mmol L(-1) s...

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Journal: :Environmental Microbiology Reports 2016

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Journal: :Limnology and Oceanography 1995

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Journal: Iranian Journal of Oil and Gas Science and Technology 2015
Jamshid Moghadasi, Mohammad Jamialahmadi Saeed Naseri,

Sulfate scale deposition (BaSO4, CaSO4, and SrSO4) is a common problem in oilfield operations around the world, which causes significant formation damage during production and injection activities. This paper presents the results of an experimental study on the permeability reduction of porous media due to sulfate scale deposition. A set of experiments were cond...

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Journal: :Kanzo 1992

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Journal: :Applied and Environmental Microbiology 1986

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ژورنال: سلامت و محیط زیست 2011
شکر ریز, مرضیه, علی محمدی, محمود, محمدی, علی اکبر, محوی, امیر حسین, مصداقی نیا, علیرضا, ناصری, سیمین,

Background and Objectives: New studies indicate that nitrate concentration in groundwater is increasing in most cities. High concentrations of nitrate in water increase the potential health risk in the community and the environment. In infants, No3 _ is reduced to No2 _, which combines with hemoglobin in the blood to form met hemoglobin leading to blue-tinged blood for babies under six months o...

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Journal: :Journal of environmental quality 2005
Stefanie L Whitmire Stephen K Hamilton

Anaerobic microbial processes play particularly important roles in the biogeochemical functions of wetlands, affecting water quality, nutrient transport, and greenhouse gas fluxes. This study simultaneously examined nitrate and sulfate removal rates in sediments of five southwestern Michigan wetlands varying in their predominant water sources from ground water to precipitation. Rates were estim...

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Journal: :The American journal of physiology 1998
Melissa J Burne Yalçin Adal Neale Cohen Sianna Panagiotopoulos George Jerums Wayne D Comper

The anomalous increase in charge selectivity as previously observed with reduced dextran sulfate clearances in diabetic rats (L. D. Michels, M. Davidman, and W. F. Keane. Kidney Int. 21: 699-705, 1982) was confirmed in 4-wk streptozotocin (STZ) diabetic Sprague-Dawley rats using the isolated perfused kidney technique. The apparent charge selectivity in both control and diabetic rats could be ab...

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