residual heat removal system
121Chalazion — For other uses, see Chalazion (fungus). Chalazion Classification and external resources Eyelid affected by Chalazion ICD 10 H00.1 …
122Wood gas — Woodgas flame from a vehicle gasifier unit Wood gas is a syngas fuel which can be used as a fuel for furnaces, stoves and vehicles in place of petrol, diesel or other fuels. During the production process biomass or other carbon containing… …
123respiration — respirational, adj. /res peuh ray sheuhn/, n. 1. the act of respiring; inhalation and exhalation of air; breathing. 2. Biol. a. the sum total of the physical and chemical processes in an organism by which oxygen is conveyed to tissues and cells,… …
124Skin — For the article about skin in humans, see human skin. For other uses, see Skin (disambiguation). Skin A diagram of human skin …
125Biodiesel production — is the act of producing the biofuel, biodiesel, through either transesterification or alcoholysis. The process involves reacting vegetable oils or animal fats catalytically with a short chain aliphatic alcohols (typically methanol or… …
126Manganese — Not to be confused with Magnesium. This article is about the chemical element. For the ghost town, see Manganese, Minnesota. For the steamship, see SS Manganese. chromium ← manganese → iron ↑ Mn ↓ Tc …
127aluminum processing — Introduction preparation of the ore for use in various products. Aluminum, or aluminium (Al), is a silvery white metal with a melting point of 660° C (1,220° F) and a density of 2.7 grams per cubic centimetre. The most abundant… …
128atmosphere, evolution of — Introduction the development of Earth s (Earth) atmosphere across geologic time. The process by which the current atmosphere arose from earlier conditions is complex; however, evidence related to the evolution of Earth s atmosphere, though… …