Water - Aeration
THE USE OF MECHANICAL AERATION AND ITS EFFECTS ON WATER MASS
... the aeration of fish ponds have been responsible for an increase in primary productivity, reducing stratification, and causing greater soluble nutrient availability, decreasing organic accumulation at the bottom ...
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Surface and incorporated liming effects on clay dispersion, water availability, and aeration capacity of a Dystrudept soil
... affect the soil structure and its thermodynamic processes. In this context, the aims of this study were to assess (i) the effects of the surface and incorporated liming on the clay dispersion, soil water ...
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Physiology and quality of Eugenia dysenterica DC seedlings grown in vermiculite and rice husk-based substrates
... available water, remaining water, aeration space and total porosity), seedling emergence percentage, emergence speed index, gas exchange, chlorophyll a fluorescence, relative seedling water ...
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Intermittent Aeration in Biological Treatment of Wastewater
... treatment, water aeration accounts for a significant portion of the total operating cost of the treatment ...Intermittent aeration is thus of benefit since it would reduce the energy consumption in ...
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Francisco Roberto dos Santos Lima, Davi de Holanda Cavalcante, Vanessa Tomaz Rebouças and Marcelo Vinícius do Carmo e Sá
... overnight water aeration significantly improved the growth and survival of the farmed animals in high density ...nocturnal aeration of water, which is already a consolidated management among ...
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ASPECTS REGARDING THE METHODS OF SOIL AERATION
... soil water content, wind, and changes in barometric ...of water during infiltration, causing displacement (and sometimes compression) of antecedent soil air, the fluctuations of a shallow water table ...
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Embedded system in Arduino platform with Fuzzy control to support the grain aeration decision
... and water content of the grain, as of the temperature and relative humidity of the outside ...the aeration of grain in function of representing a system of controlled environment can be studied in relation ...
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EVALUATION OF PHYSICAL QUALITY INDICES OF A SOIL UNDER A SEASONAL SEMIDECIDUOUS FOREST
... soil aeration capacity (ACt/Pt), and water storage capacity (FC/Pt) of the soil from a permanent plot in the Caetetus Ecological Reserve (Galia, São Paulo, Brazil) under a seasonal semideciduous forest and ...
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Quality of Brazil nuts stored in forced aeration silos
... In periods of larger production of total (120 days) and B1 (60 days) aflatoxins the temperature of the storage room was 28.05 and 29.60 °C and air relative humidity of 84.50 and 70.4%, respectively. These results are ...
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Factors Affecting the Oxygenation Capacity of Disc Aerators in an Oxidation Ditch System
... surface aeration is the result of bubble breakup and the velocity gradients present at the liquid air ...increased water velocity at the surface layer and improved the oxygen transfer ...
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THE EFFECT OF THE SLUDGE RECYCLE RATIO IN AN ACTIVATED SLUDGE SYSTEM FOR THE TREATMENT OF AMOL'S INDUSTRIAL PARK WASTEWATER
... The water shortage around the world is more severe and also greater attention is paid to reuse wastewater from municipalities and industrial plants ...tended aeration have high removal efficiencies for ...
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The effect of long-term forestry drainage on the current state of peatland soils: A case study from the Central Sudetes, SW Poland
... drainage water (Worall et ...present-day water conditions (Table 1) cannot support peat accumulation, the soils investigated here show rather minor impacts arising from the now derelict drainage ...enhanced ...
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Canthaxanthin biosynthesis by Dietzia natronolimnaea HS-1: effects of inoculation and aeration rate
... Aliquots (10-mL) of cultures at the appropriate times during the fermentation process were taken from the bio- reactor and centrifuged at 7500 g (2-4 °C) for 7.5 min. The supernatant to measure the glucose content was ...
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AERATION EFFECT ON SPIRULINA PLATENSIS GROWTH AND γγγγ-LINOLENIC ACID PRODUCTION Srinivasa Reddy Ronda ,Chandra Sekhar Bokka, Chandrika Ketineni, Binod Rijal, Prasada Rao Allu
... cultures (5 mL each). Culture samples were washed 1/10 (v/v) with distilled water to dissolve excess salt. The water added to each sample was filtered through Whatman GF/C filters (1.2 µm, 47-mm diameter). ...
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Experimental Ventilator-Associated Pneumonia: Distribution of Lung Infection and Consequences for Lung Aeration
... Fixation of the lungs. Following death and the intravenous injection of Heparin (5000 U), a sternotomy was performed, while maintaining mechanical ventilation, and the piglets were exsanguinated by cardiac punction. ...
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Lower nappe aeration in smooth channels: experimental data and numerical simulation
... surface aeration, showed that corrections must be made because the measurements involve air among water parcels of the surface distortions, not absorbed by the ...as water. Substantial sprays could ...
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Iron in the Middle Devonian aquifer system and its removal at Võru County water treatment plants, Estonia
... closed aeration and a quartz sand iron ...simple aeration – water is saturated with oxygen and ferrous iron is oxidized to ferric ...the water flow in the filter, which determines the duration ...
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Bulk density and relationship air/water of horticultural substrate
... porosity, aeration space and available ...the water release curve. The de- termination of the water release curve is important be- cause it yields data on available water to the plants at cer- ...
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Culture system for Wolffia globosa L. (Lemnaceae) for hygiene human food
... vertical aeration culture system, an air stone (400 l/hr flow) was used to circulate the water ...the water horizontally. For the system with top water spraying and the layer culturing system ...
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Microbiological and Physicochemical Treatments Applied to Metallurgic Industry Aiming Water Reuse
... the water in a system composed of a sewage treatment plant (STP) using prolonged aeration with activated sludge and a compact water treatment plant (CWTP) in a metallurgic ...the water for ...
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