Now showing items 883-902 of 906

      Keyword
      Virtualización del aprendizaje y la enseñanza; espacio virtual; educación virtual; diseño. [1]
      Voltametría; electrólisis; hidrógeno; hidróxido de potasio; acero; acero inoxidable; cronoamperometría [2]
      Voltammetry; Electrolysis; Hydrogen; Potassium hydroxide; Steel; Stainless steel; Chronoamperometry [2]
      Voltamperometría adsortiva; validación; alizarina; optimización; cupferrón; trazas. [1]
      Voto electrónico; urna electrónica; padrón electrónico [1]
      Vulnerabilidad; sistemas de acueductos rurales; fenómenos naturales y creados por el ser humano; educación; gestión ambiental [1]
      Vulnerability; rural water systems; natural and manmade phenomena; education; environmental management [1]
      Water availability; water demand; planning; water resources; Tempisque River [1]
      Water hardness; longevity; rate; Blue Zone. [1]
      Water quality index; water quality variable; hydric resources; river contamination; water quality classification Holland index. [1]
      Water quality; drinking-water sources; surface-water; spring water; groundwater; AyA [1]
      Water quality; ecological vulnerability; water quality index; hydric resource; spring water; drinking water. [1]
      Water resources; environmental education; rural communities; path analysis. [1]
      Water resources; environmental education; water culture; rural communities. [1]
      Water sources; arsenic; iron nanoparticles. [1]
      Wikis; educación; web 2.0; aprendizaje colaborativo. [2]
      Wikis; education; web 2.0; collaborative learning. [2]
      Wireless sensor networks; debris flows; early warning systems. [1]
      Women; grains; seeds; grain processing; marketing; rural development; food security. [2]
      WSN, nodo sensorial, mote, redes inalámbricas de sensores, microntroladores (MCU), 802.15.4, MIPS. [1]