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Shield volcano
| Earth Science |
- A gently sloping volcano in the shape of a flattened dome, built almost exclusively of mafic lava flows. the hawaiian islands are a good example.
- A volcano having the shape of a very broad, gently sloping dome, built by flows of very fluid basaltic lava or rhyolitic ash flows. compare - stratovolcano. gg & ma
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Shield, английский
- Bouclier;écran de protection
- A design carved or chipped out on the slabs of breton tombs. it is a highly version of an antropomorphic figure
- Any barrier to the passage of interference causing electrostatic or electromagnetic fields, formed by a conductive layer surrounding a cable core. it is usually fabricated from a metallic braid, foil or wire serving.
- Sylvania high intelligence electronic defense
- A double rivet with an ornamental head joining both rivets, normally used to attach hinges or other components to a frame.
- A metallic layer that surrounds insulated conductors in a shielded cable; may be the metallic sheath of the cable or a metallic layer inside a nonmetallic sheath; especially effective in providing protection against electrostatic interference.
- Функциональный экран
- Щит; экран; защита || защищать; экранировать
- A conductive enclosure (usually metallic) around one or more signal conductors, used to keep out electrostatic fields that can cause hum, buzz, or other noise.
- A metal frame used to maintain the opening as the tunnel boring progresses. as forward progress is made, the liner is constructed behind the shield, and the shield is jacked or moved forward.
- A layer or mass of material used to reduce the passage of ionizing radiation.
Shield, английский
Shield, английский
Shield basalt, английский
Shield bulkhead, русский
Shield coverage, английский
The amount of cable core surface area which is covered by a shield. it is expressed as a percentage of the cable core's total surface area. it is also called braid coverage when applied to a braided shield.
Shield cut, английский
The theoretical difference between the radial measurement of the mtbm shield and the jacking pipe equal to (mtbm od – pipe od)/2.
Shield driving method, английский
Shield face, русский
Shield formatter, английский
Shield front, английский
Shield height, русский
Shield launch, русский
Shield law, английский
Закон, освобождающий журналиста от обязанности раскрывать источники конфиденциальной информации закон о праве истца и свидетеля не сообщать (суду) сведения личного или конфиденциального характера
Shield maker, английский
Shield mover, русский
Shield potted to tube, английский
Экран, одетый на трубку
Shield probe, английский
Shield roof support, русский
Shield support capacity, русский
Shield tower or turret, английский
A revolving armoured cover for guns.
Stratovolcano, английский
- A volcano composed of both lava flows and pyroclastic material. also called "composite" volcanoes. common at convergent boundaries. excellent examples in the u.s. include mt. st. helens, mt. shasta, and the other peaks of the cascade range of california, oregon, and washington.
- A volcano that is constructed of alternating layers of lava and pyroclastic deposits, along with abundant dikes and sills. viscous, acidic lava may flow from fissures radiating from a central vent, from which pyroclastics are ejected. compare - shield volcano. gg
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Aquitard, английский
- A geologic formation or stratum that significantly retards fluid movement.
- A body of rock or sediment that retards but does not prevent the flow of water to or from an adjacent aquifer. it does not readily yield water to wells or springs but may serve as a storage unit for groundwater. gg
Alluvium, английский
- A general term for clay, silt, sand, gravel or similar unconsolidated material deposited by a stream or other body of running water.
- Gravel, sand, silt, soil, or other material that is deposited by running water. alm on drawings, abbr. for “alarm.”
- As incorrectly used by some drillers—the broken, earthy rock material directly below the soil layer and above the solid, unbroken bed or ledge rock. in a strict sense, alluvium should be applied only to soil and/or fragmented rock materials deposited by water upon land not permanently submerged beneath the waters of lakes and seas.
- Unconsolidated, clastic material subaerially deposited by running water, including gravel, sand, silt, clay, and various mixtures of these. compare - colluvium, slope alluvium. hp
- A deposit of sand, mud, etc., formed by flowing water.
- Detrital material of any grain size transported and deposited during
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