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Diagramatic operation of a thermal wheel Ljungström Air Preheater by Swedish engineer Fredrik Ljungström (1875–1964). A thermal wheel, also known as a rotary heat exchanger, or rotary air-to-air enthalpy wheel, energy recovery wheel, or heat recovery wheel, is a type of energy recovery heat exchanger positioned within the supply and exhaust air streams of air-handling units or rooftop ...
Hors d'œuvre in French literally means 'outside the work', that is "not part of the ordinary set of courses in a meal". In practice, it is a dish which stands on its own as a snack or supports the main course.
A derivative chromosome (der) is a structurally rearranged chromosome generated either by a chromosome rearrangement involving two or more chromosomes or by multiple chromosome aberrations within a single chromosome (e.g. an inversion and a deletion of the same chromosome, or deletions in both arms of a single chromosome).
Diesel fuel has many colloquial names; most commonly, it is simply referred to as diesel.In the United Kingdom, diesel fuel for road use is commonly called diesel or sometimes white diesel if required to differentiate it from a reduced-tax agricultural-only product containing an identifying coloured dye known as red diesel.
The Equals performing on the Dutch TV programme Fenklup on 27 May 1967. The group's members met on a Hornsey Rise council estate, [5] where Grant, Lloyd and Hall were school friends at Acland Burghley.
The Dervish Movement (Somali: Dhaqdhaqaaqa Daraawiish) was an armed resistance movement between 1899 and 1920, [4] [5] [6] which was led by the Salihiyya Sufi Muslim poet and militant leader Mohammed Abdullah Hassan, also known as Sayyid Mohamed, who called for independence from the British and Italian colonisers and for the defeat of Ethiopian forces.
Biodiesel sample. Blends of biodiesel and conventional hydrocarbon-based diesel are most commonly distributed for use in the retail diesel fuel marketplace.
The Geographical Fugue or Fuge aus der Geographie is the most famous piece for spoken chorus by Ernst Toch.Toch was a prominent composer in 1920s Berlin, and singlehandedly invented the idiom of the "Spoken Chorus".