Exemplos de uso de Dissolved oxygen concentration em Inglês e suas traduções para o Português
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Their occurrence promotes excessive growth of algae,decreased dissolved oxygen concentration.
The temperature, conductivity, ph and dissolved oxygen concentration were within the established limits.
This enabled recognition of the different forms that lead to states of low dissolved oxygen concentrations.
Decrease in dissolved oxygen concentrations in water is a natural cyclic phenomenon in the pantanal and amazon watersheds.
The water in the both lakes showed lightly acidic ph,low electrical conductivity, dissolved oxygen concentrations less than.
Dissolved oxygen concentration and biological oxygen demand: these are a measure of water quality and pro vide information on the degree of pollution by organic matter and nutrients.
Additionally, analysis of abiotic parameters:temperature, dissolved oxygen concentration, ph and conductivity were carried out.
Aeration is the process by which compressed air is forced through a liquid or substance, normally from the bottom of a tank, in order toreach a certain level of dissolved oxygen concentration.
Parameters such as herbicide concentration, ph, dissolved oxygen concentration, nitrate concentration, and propan-2-ol as a free radical scavenger were considered.
The reverse flow differed from normal flow due to the higher values of transparency, dissolved oxygen concentration, ph and conductivity.
Environmental parameters were measured as temperature(°c),salinity, dissolved oxygen concentration(mg. l-¹), ph and concentration of chlorophyll-a(¿g. l-¹), total nitrogen(mg. l-¹) and the percentage of organic carbon in one replicate per station.
This research proposes a methodology to study the behavior of the biochemical oxygen demand and of the dissolved oxygen concentrations, in a river, subject to effluent discharges.
The system operated with dissolved oxygen concentrations around 2 mg/l in first reactor and 3-4 mg/l in the second, being subjected to a gradually increasing load of organic carbon and ammonia nitrogen by reducing the carriers percentage fill of each reactor.
To determine the photosynthesis and respiration rates we used the method of light and dark bottles,based on variations in dissolved oxygen concentrations determined by the winkler method.
The controller assists to keep the desirable dissolved oxygen concentration necessary to the nitrification, an oxi-reduction chemical reaction that transforms ammonia into nitrite and it is also possible to save electric energy used by the aeration engine. it is imperative the nitrification occurs for the success of the whole process.
In this context, this study aimed to evaluate the removal of nitrogen via snd under different dissolved oxygen concentrations(do) in a pilot of a smbr treating wastewater.
In this study were conducted electrochemical tests of potentiodynamic anodic polarization and electrochemical impedance spectroscopy(eis)in environment containing 35, 50 and 190 g/l of nacl and dissolved oxygen concentrations.
The software-based language g(labview)provides the user monitor important process variables such as dissolved oxygen concentration, ph, volumetric flow rate of feed, pressure difference between two points along the axial direction and temperature in two regions of liquid phase flow phase, and it can act in the volumetric flow rate and gas stream composition at the input of bioreactor.
In the sequence,runs with s0 in the range 40 to 180 g/l, with varying impeller speed(650 to 750 rpm) and specific air rate(0.50 to 0.87 vvm) were carried out to maintain the dissolved oxygen concentration close to 30% of saturation as long as possible during the process.
Besides monitoring the wwtp operation, tests with a sequential batch reactor(sbr) were performed to simulate operating conditions of wwtp in order toanalyze the influence of variation of hydraulic detention time, dissolved oxygen concentration and concentration volatile solids suspended over final effluent quality.
Stirring influence the concentration of dissolved oxygen, which in turn affected the growth and hydrocarbon biodegradation.
To simulate the concentration of dissolved oxygen in the river water five different artificial neural networks have been developed.
Ethanol production was higher in hypoxia where the concentration of dissolved oxygen(do) in the culture medium was 10% 1.98 g l-1.
The same goes for conductivity, ion concentration, dissolved oxygen and redox.
Accurate pH, conductivity,ion concentration, dissolved oxygen and ORP measurements begin with the right sensor.
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High quality sensors covering a range of applications and measurement parameters including pH, ORP, conductivity,ion concentration and dissolved oxygen.
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Condition in which the concentration of dissolved oxygen is so low that certain groups of micro-organisms prefer oxidized forms of nitrogen, sulphur or carbon as an electron acceptor. ISO/6107.