EN-ES ES-EN | 1 2 Next | A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0-9
U clamp
EN: U clamp, U-clamp, U-shaped clampES: abrazadera en U
Definition EN: a clamp having an open slot for receiving the clamp bolt
U packing
EN: U packing, U packing ring, cup packingES: guarnición para juntas, manguito obturador
Definition EN: a soft packing ring,generally made of leather or rubber,which is pressed into a U-shaped or("cup packing")L-shaped section.By reason of the elasticity of the material,which is increased by the pressure of the fluid,the sealing lips of the packing tend to resume their flat shape,thereby exerting pressure on the rod which they encircle
U packing ring
EN: U packing ring, U packing, cup packingES: guarnición para juntas, manguito obturador
Definition EN: a soft packing ring,generally made of leather or rubber,which is pressed into a U-shaped or("cup packing")L-shaped section.By reason of the elasticity of the material,which is increased by the pressure of the fluid,the sealing lips of the packing tend to resume their flat shape,thereby exerting pressure on the rod which they encircle
U seal
EN: U sealES: junta en U
Definition EN: a radial lip seal having inner and outer lips,the cross section being in the form of a "U"
U-clamp
EN: U-clamp, U-shaped clamp, U clampES: abrazadera en U
Definition EN: a clamp having an open slot for receiving the clamp bolt
U-lag
EN: U-lag, U-lag for jigs and fixturesES: ranura para sujeciones
Definition EN: a slot provided in the edge of the base of a workholder for the reception of a hold-down bolt
U-lag
EN: U-lagES: ranura para sujeciones
Definition EN: a slot provided in the edge of the base of a workholder for the reception of a hold-down bolt
U-Pump
EN: U-PumpES: bomba con válvula en el émbolo
Definition EN: a reciprocating piston pump in which the valves are placed in the piston and the flow through the cylinder is in one direction with no reversal
Definition ES: bomba de émbolo de movimiento rectilíneo alternativo en la cual las válvulas van colocadas en el émbolo y la corriente a través del cilindro tiene siempre la misma dirección, sin invertirse
UF6
EN: UF6, hex, uranium hexafluorideES: hexafluoruro de uranio
Definition EN: a colloquialism for uranium hexafluoride(UF6),the gas used in isotope enrichment plants
UIS
EN: UISES: estructura de la partes internas superiores
Definition EN: the upper internals structure(UIS)of the Clinch River breeder reactor(CRBR),as currently designed by Westinghouse Advanced Reactor Division,is essentially a portal frame hung(cantilevered)from the cover plate of the pot-concept reactor vessel
ullage and retro-rocket
EN: ullage and retro-rocket, ullage and retrorocketES: cohete de aceleración y frenado
Definition EN: rocket which can be used both to oppose forward motion and to apply axial thrust to a vehicle
ultimate gauge length
EN: ultimate gauge lengthES: longitud final entre puntos
Definition EN: the ultimate gauge length is the gauge length after fracture of the test piece and piecing it together again, its two fragments being joined carefully so that their axes form a straight line
ultimate stress
EN: ultimate stressES: esfuerzo máximo, esfuerzo límite
Definition EN: that in a member or piece of material at moment of fracture
ultra high frequency thawing
EN: ultra high frequency thawing, microwave thawingES: descongelación por hiperfrecuencias, descongelación por ultrafrecuencias
Definition EN: dielectric thawing using frequencies of the order of thousands of megahertz,usually 2450 MHz or 915 MHz in accordance with the international telecommunication union
ultra-high vacuum
EN: ultra-high vacuumES: ultravacío
Definition EN: pressure below 75.10-9 mm Hg
Definition ES: vacío extremado de los gases, cuando su presión no pasa de 10-8 Torr
ultrasonic sounding
EN: ultrasonic sounding, echo soundingES: sondeo ultrasónico
Definition EN: a method used in geology,oceanography,metallurgy,etc.for depth determination by means of ultrasonic waves produced by an electrical generator
ultrasounds
EN: ultrasounds, ultrasonic waveES: ultrasonido, onda ultrasónica
Definition EN: a wave phenomenon of the same physical nature as sound but with frequencies above the range of human hearing,i.e.greater than 20 kHz
ultraviolet degradation
EN: ultraviolet degradationES: degradación por la radiación ultravioleta
Definition EN: the degradation caused by long-time exposure of a material to sunlight or other ultraviolet rays
ultraviolet recorder
EN: ultraviolet recorderES: registrador gráfico mediante ultravioleta
Definition EN: a recorder which records by means of light beam(s)and mirror galvanometer(s)on light sensitive paper or film
umbilical connector
EN: umbilical connector, release plug, pull-off connectorES: conexión desprendible, toma largable
Definition EN: means of connection between a vehicle and the ground,along which all necessary supplies and signals pass,up to the moment of lift-off or launch
umbilical connector
EN: umbilical connector, pull-off connector, release plugES: conexión desprendible, toma largable
Definition EN: means of connection between a vehicle and the ground,along which all necessary supplies and signals pass,up to the moment of lift-off or launch
unalloyed steels
EN: unalloyed steelsES: aceros no aleados
Definition EN: unalloyed steels are defined by their carbon content
unbalanced vane motor
EN: unbalanced vane motorES: motor de paletas no equilibradas
Definition EN: motor in which the transverse forces acting on the rotor are not balanced
unbleached pulp
EN: unbleached pulpES: celulosa cruda, pulpa marrón, pasta sin blanquear, pulpa cruda, pasta química, pulpa sin blanquear, pulpa café, pasta cruda
Definition EN: pulp which has not been subjected to any treatment intended to increase its brightness
uncased hole
EN: uncased hole, open holeES: pozo abierto, pozo sin entubar
Definition EN: an uncased well bore; the section of the well bore below the casing; a well in which there is no protective string of pipe
uncertainty of measurement
EN: uncertainty of measurementES: incerteza de medida
Definition EN: an estimate characterizing the range of values within which the true value of measurand lies
Definition ES: estimación que caracteriza la amplitud del intervalo de valores en el que se encuentra el valor verdadero de una magnitud medida
unclamp
EN: unclamp, releaseES: retirar, soltar
Definition EN: to remove from a clamping device
unclamp
EN: unclampES: soltar
EN: release
ES: retirar
Definition EN: to remove from a clamping device
unconditional jump
EN: unconditional jump, unconditional branchES: salto incondicional
Definition EN: a jump that takes place whenever the instruction that specifies it is executed
uncut pile
EN: uncut pile, loop pileES: bucle
Definition EN: a pile,the fibres or yarns of which are caused to form loops during manufacture of the fabric
undercarriage leg
EN: undercarriage leg, landing-gear leg, LG legES: pata del tren
Definition EN: main strut of landing gear(LG)
undercarriage uplock
EN: undercarriage uplock, LG uplock, landing-gear uplockES: cerrojo de tren metido, cerrojo de tren plegado
Definition EN: mechanical lock-securing device to keep the landing-gear secure once it is retracted
undercut
EN: undercutES: contra despulla
Definition EN: any protrusion or notch in a two-piece rigid mould which hinders removal of the piece from the mould.
undercut
EN: undercutES: oquedad, socavadura
Definition EN: a groove that has been melted at the side of the weld and has not been filled in
underdraft
EN: underdraftES: curvado hacia abajo
Definition EN: the tendency of metal to curve downwards when leaving rolls,because of lower surface speed of the lower roll.
underfill
EN: underfillES: falta de metal en forja y estampación
Definition EN: that portion of a die forging which lacks metal to give it the true shape of the impression.Shortage of metal exists because the hot plastic metal did not completely fill the die impress
underfill
EN: underfillES: falta de metal en laminación
Definition EN: in rolling,a cross-section which has not filled the roll pass and is therefore not true to dimensions
underground
EN: undergroundES: mina
EN: below ground
ES: interior
Definition ES: todo el espacio subterráneo de una mina a partir de la bocamina
underlap
EN: underlapES: solapamiento negativo
Definition EN: a condition where the fixed and movable flow metering edges do not coincide with the spool at null in such a way that a flow path exists across two or more metering edges with the spool at null
undermining pitting
EN: undermining pittingES: corrosión subsuperficial
Definition EN: a type of corrosion attack in which pitting develops on the exposed surface and spreads out beneath the surface
undersize
EN: undersizeES: menor
Definition EN: that part of a crushed material which passes through a screen
undetected failure time
EN: undetected failure timeES: tiempo previo a la detección del fallo
Definition EN: the period of time between the instant of failure and its recognition
unequal-sidedness
EN: unequal-sidedness, two-sidednessES: acabado dos caras, acabado dúplex, acabado diferente por ambas caras, acabado doble cara
Definition EN: a difference,e.g.in surface structure or colour,between the two sides of a paper or board,arising during the manufacturing process
unfeather
EN: unfeatherES: sacar de paso bandera, sacar de bandera
Definition EN: to restore propeller from feathered state to normal operative state
unfused chaplet
EN: unfused chapletES: soporte mal soldado
Definition EN: metal supports which should become part of the casting but they sometimes fail to fuse completely with the surrounding metal
uniform resource locator
EN: uniform resource locator, URLES: localizador uniforme de recursos, LUR
Definition ES: Sistema unificado de identificación de recursos en la red. Las direcciones se componen de protocolo, FQDN y dirección local del documento dentro del servidor. Este tipo de direcciones permite identificar objetos WWW, Gopher, FTP, News, etc.
unilaterally aligned standard
EN: unilaterally aligned standardES: norma alineada unilateralmente
Definition EN: standard that is aligned with another standard so that products,processes,services,tests and information provided according to the former standard meet the requirements of the latter standard but not vice versa
union
EN: union, socket unionES: unión roscada de tres tubos
Definition EN: a pipe fitting similar to a coupling,but composed of three detachable parts-two being screwed on to the tubes and the third(a nut)being used to tighten them
union fitting
EN: union fittingES: junta de unión
Definition EN: a fitting which permits pipes to be joined and separated without requiring the pipes to be rotated
union tube
EN: union tubeES: tubería de unión
Definition EN: three-piece threaded pipe fitting used to join two tubes or pipes or to connect a pipe to a component
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