natural contamination

См. также в других словарях:

• Contamination control — is the generic term for all activities aiming to control the existence, growth and proliferation of contamination in certain areas. Contamination control may refer to the atmosphere as well as to surfaces, to particulate matter as well as to… …   Wikipedia

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• Natural cleaning product — Natural cleaning products are substances used to clean, deodorize, and/or disinfect which have natural substances as their active ingredients. In some cases, natural cleaning products may be less damaging to the environment and safer for humans… …   Wikipedia

• natural background — noun The radiation due to natural radioactivity and to cosmic rays, enhanced by contamination and fallout • • • Main Entry: ↑natural …   Useful english dictionary

• Contamination — For other uses, see Contamination (disambiguation). Contamination is the presence of a minor and unwanted constituent (contaminant) in material, physical body, natural environment, at a workplace, etc. Specifics Contamination also has more… …   Wikipedia

• Natural gas — For other uses, see Natural gas (disambiguation). Natural gas extraction by countries in cubic meters per year. Natural gas is a naturally occurring gas mixture consisting primarily of methane, typically with 0–20% higher hydrocarbons[1] …   Wikipedia

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• Natural Farming — Masanobu Fukuoka, originator of the Natural Farming method Natural Farming is an approach to farming established by Masanobu Fukuoka (1913–2008), a Japanese farmer and philosopher who described his agricultural philosophy as shizen nōhō ( …   Wikipedia

• Natural satellite habitability — Artist s impression of a hypothetical habitable moon of Upsilon Andromedae d Natural satellite habitability is the measure of a natural satellite s potential to sustain life. The study of natural satellite habitability is important to… …   Wikipedia