Hydrogen technologies — are technologies that relate to the production and use of hydrogen. Hydrogen technologies are applicable for many uses.Some hydrogen technologies are carbon neutral and could have a role in preventing climate change and a possible future hydrogen … Wikipedia
Hydrogen safety — covers the safe use and handling of hydrogen. Hydrogen poses unique challenges due to its ease of leaking, low energy ignition, wide range of combustible fuel air mixtures, buoyancy, and its ability to embrittle metals that must be accounted for… … Wikipedia
Nobel Prizes — ▪ 2009 Introduction Prize for Peace The 2008 Nobel Prize for Peace was awarded to Martti Ahtisaari, former president (1994–2000) of Finland, for his work over more than 30 years in settling international disputes, many involving ethnic,… … Universalium
Olfactory receptor — Olfactory receptors expressed in the cell membranes of olfactory receptor neurons are responsible for the detection of odor molecules. Activated olfactory receptors are the initial player in a signal transduction cascade which ultimately produces … 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
Zyklon B — This article is about the cyanide based pesticide used against humans during the Holocaust. For the Norwegian black metal band, see Zyklon B (band). Empty poison gas canisters, found by the Allies at the end of World War II. Zyklon B (German… … Wikipedia
sensory reception, human — Introduction means by which humans react to changes in external and internal environments. Ancient philosophers called the human senses “the windows of the soul,” and Aristotle described at least five senses sight, hearing, smell, taste, and… … Universalium
chemoreception — chemoreceptive /kee moh ri sep tiv, kem oh /, adj. /kee moh ri sep sheuhn, kem oh /, n. the physiological response to chemical stimuli. [1915 20; CHEMO + RECEPTION] * * * Sensory process by which organisms respond to external chemical stimuli, by … Universalium
petroleum refining — Introduction conversion of crude oil into useful products. History Distillation of kerosene and naphtha The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… … Universalium
Pipeline transport — An elevated section of the Alaska Pipeline … Wikipedia
