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humidity corrosion

См. также в других словарях:

  • Humidity — is the amount of water vapor in the air. In daily language the term humidity is normally taken to mean relative humidity. Relative humidity is defined as the ratio of the partial pressure of water vapor in a parcel of air to the saturated vapor… …   Wikipedia

  • Humidity indicator card — A humidity indicator card (HIC) is a card on which a moisture sensitive chemical is impregnated such that it will change color when the indicated relative humidity is exceeded. This item is an inexpensive way to quantify relative humidity levels… …   Wikipedia

  • Corrosion — v · d · e Materials failure modes Buckling · …   Wikipedia

  • Galvanic corrosion — This new manifold for water meters has replaced the old one after 4 years of use, having been connected directly to a copper pipe in the building (0.85 V of potential difference, see the point of corrosion in the bottom left). With a PVC battery… …   Wikipedia

  • Relative humidity — is a measurement of the amount of water vapor that exists in a gaseous mixture of air and water. Estimating relative humidity The relative humidity of an air water vapor mixture can be estimated if both the temperature ( T ) and the dew point… …   Wikipedia

  • Red plague (corrosion) — Red plague is an accelerated corrosion of copper when plated with silver. After storage or use in high humidity environment, cuprous oxide forms on the surface of the parts. The corrosion is identifiable by presence of patches of brown red powder …   Wikipedia

  • Biogenic sulfide corrosion — is a bacterially mediated process of forming hydrogen sulfide gas and the subsequent conversion to sulfuric acid that attacks concrete and steel within wastewater environments. The hydrogen sulfide gas is oxidized in the presence of moisture to… …   Wikipedia

  • Omega Speedmaster Professional — The Omega Speedmaster Professional, otherwise known as the Moonwatch , is a manual winding chronograph introduced in 1957 and made famous by its selection by NASA for the Apollo Program. The Speedmaster is the only watch to have been worn on the… …   Wikipedia

  • art conservation and restoration — Maintenance and preservation of works of art, their protection from future damage, deterioration, or neglect, and the repair or renovation of works that have deteriorated or been damaged. Research in art history has relied heavily on 20th and… …   Universalium

  • Metals conservation — The bronze apoxyomenos, ,dated between 1st and 2nd century BC,found and recovered from Adriatic sea near small island Vele Oryule,near island Loshiny, example of archaeological metals conservation, Croatia Metals conservation, or more precisely… …   Wikipedia

  • Cooling tower — Natural draft wet cooling hyperboloid towers at Didcot Power Station, UK …   Wikipedia

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