water to oxygen system
91Double circulatory system — In a first order circulatory circuit, blood is pumped to the lungs, thus acquiring oxygen while simultaneously releasing carbon dioxide. Fully oxygenated blood then enters the second order circuit, going to the brain and body. The second order… …
92Closed ecological system — Biosphere 2 Closed ecological systems (CES) are ecosystems that do not rely on matter exchange with any part outside the system. The term is most often used to describe small manmade ecosystems. Such systems are scientifically interesting and can …
93life-support system — noun 1. equipment that makes life possible in otherwise deadly environmental conditions the astronauts relied on their life support systems • Syn: ↑life support • Hypernyms: ↑equipment 2. medical equipment that assists or replaces important… …
94Shilov system — The Shilov system is a classic example of catalytic C H bond activation and oxidation which preferentially activates stronger C H bonds over weaker C H bonds for an overall partial oxidation. [Reactions of alkanes in solutions of platinum… …
95life-support system — n a system that provides all or some of the items (as oxygen, food, water, and disposition of carbon dioxide and body wastes) necessary for maintaining life or health: as a) one used to maintain the health of a person or animal in outer space,… …
96life-support system — noun Date: 1959 an artificial or natural system that provides all or some of the items (as oxygen, food, water, control of temperature and pressure, disposition of carbon dioxide and body wastes) necessary for maintaining life or health …
97circulation — circulable /serr kyeuh leuh beuhl/, adj. /serr kyeuh lay sheuhn/, n. 1. an act or instance of circulating, moving in a circle or circuit, or flowing. 2. the continuous movement of blood through the heart and blood vessels, which is maintained… …
98respiration — 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,… …
99climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …
100Rebreather — A fully closed circuit electronic rebreather (Ambient Pressure Diving Inspiration) Acronym CCUBA (Closed Circuit Underwater Breathing Apparatus); CCR (Closed circuit rebreather), SCR (Semi closed rebreather) Uses Breathing set …
