Desenvolvimento e avaliação de um sistema de controle de nitrato em soluções nutritivas

@inproceedings{Salvador2013DesenvolvimentoEA,
  title={Desenvolvimento e avaliaç{\~a}o de um sistema de controle de nitrato em soluç{\~o}es nutritivas},
  author={Conan Conan Ayade Salvador},
  year={2013}
}
The objective of this study was to develop and evaluate an electronic system for automatic control of nitrate in nutrient solutions. The system consisted basically of an Electronic Control Module (ECM), a selective sensor of nitrate ions and a system for injection of concentrated solution. By monitoring the solution with the sensor, the ECM was programmed to maintain the concentration of nitrate at certain value set by the user, injecting concentrated solution. The system was tested at a… CONTINUE READING

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