counterpressure system

См. также в других словарях:

• Space activity suit — The Space Activity Suit developed by Paul Webb and built under a NASA project. The image shows the complete multi layer suit and positive pressure helmet, lacking only the backpack. (taken 1971) A space activity suit is a kind of spacesuit which… …   Wikipedia

• Countersteam brake — A countersteam brake is a brake on a steam locomotive that uses the engine (specifically the cylinders) to help brake the locomotive. It uses the working principle of steam cylinders fitted with slide or piston valves such that, by changing the… …   Wikipedia

• Sign — Any abnormality that indicates a disease process, such as a change in appearance, sensation, or function, that is observed by a physician when evaluating a patient. * * * 1. Any abnormality indicative of disease, discoverable on examination of… …   Medical dictionary

• angiosperm — /an jee euh sperrm /, n. Bot. a plant having its seeds enclosed in an ovary; a flowering plant. Cf. gymnosperm. [ANGIO + SPERM] * * * ▪ plant Introduction       any member of the more than 300,000 species of flowering plants (division Anthophyta) …   Universalium

• Kennan, George F. — ▪ American diplomat and historian in full  George Frost Kennan  born February 16, 1904, Milwaukee, Wisconsin, U.S. died March 17, 2005, Princeton, New Jersey       American diplomat and historian best known for his successful advocacy of a… …   Universalium

• Space suit — A space suit is a complex system of garments, equipment and environmental systems designed to keep a person alive and comfortable in the harsh environment of outer space. This applies to extra vehicular activity (EVA) outside spacecraft orbiting… …   Wikipedia

• colonialism, Western — ▪ politics Introduction       a political economic phenomenon whereby various European nations explored, conquered, settled, and exploited large areas of the world.       The age of modern colonialism began about 1500, following the European… …   Universalium

• Spacesuits in fiction — Science fiction authors have designed imaginary spacesuits for their characters almost since the beginning of fiction set in space.Often, comic book creators seem unaware of the effects of internal pressure which tends to inflate a spacesuit in… …   Wikipedia

• wind instrument — /wind/ a musical instrument sounded by the breath or other air current, as the trumpet, trombone, clarinet, or flute. [1575 85] * * * ▪ music Introduction       any musical instrument that uses air as the primary vibrating medium for the… …   Universalium

• The Millennial Project: Colonizing the Galaxy in Eight Easy Steps — Not to be confused with Millennium Project. The Millennial Project: Colonizing the Galaxy in Eight Easy Steps   …   Wikipedia

• Elbe Sandstone Mountains — [ mesas in the Saxon part of the Elbe Sandstone Mountains] The Elbe Sandstone Mountains ( cs. Labské pískovce; de. Elbsandsteingebirge) is a mountain range straddling the border between the state of Saxony in southeastern Germany and the Czech… …   Wikipedia