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a
EN: a
NL: areDefinition EN: Symbol for are of land equivalent to 100 m2(119,6 square yards)
Definition NL: Symbool voor are, oppervlaktemaat, gelijk aan 100 m2
a limit
EN: a limit, alpha limit, safe fatigue limit
NL: veilige vermoeidheidsgrens, alfagrensDefinition EN: limit in the angle of attack of main wing
Abbott bearing curve
EN: Abbott bearing curve
NL: Abbott-curve, Abbott-krommeDefinition NL: Grafische weergave van het verband tussen profieldraaglengte en doorsnijdingsdiepte
ABEND
EN: ABEND, abnormal end, dead end, abnormal termination
NL: abnormale beëindigingDefinition NL: beëindigen van een verwerking door operateur of besturingssysteem tengevolge van een machinestoring of programmafout, waarbij geen normale herstart mogelijk is
ablative liner
EN: ablative liner
NL: ablatieve bekledingDefinition NL: ablatie:aantasting van lichamen die met hypersone snelheid de dampkring binnendringen
ABM
EN: ABM, anti-ballistic missile
NL: afweersysteem tegen ballistische projectielen, ABMDefinition NL: geavanceerd afweersysteem dat is bedoeld om bescherming te bieden tegen ballistische raketten die zijn afgevuurd naar het eigen grondgebied of dat van bondgenoten (zoals bijvoorbeeld het Amerikaanse SDI-initiatief)
aborted start
EN: aborted start
NL: onderbroken startDefinition EN: termination of the start procedures in a gas turbine engine
above-ground tank
EN: above-ground tank
NL: bovengrondse gashouderDefinition NL: In het huidige aardgasnet(inclusief de reserve-transportleidingen)is voldoende gas opgeslagen om dagpieken op de vangen.Opslag in bovengrondse gashouders wordt tegenwoordig dan ook ni et meer toegepast.
abradable seal
EN: abradable seal
NL: abrasieve afdichtingDefinition EN: knife-edge seal inside a gas turbine engine that wears away or abrades slightly to produce an extremely close fit
abradant
EN: abradant, abrasive, grit, abrasive material
NL: slijpmiddel, schuurmiddelDefinition NL: slijpschijven en slijpbanden alsmede vormgereedschap, bestaande uit in een houder gevatte kleine slijpstenen (hoonstenen)
abrade
EN: abrade
NL: afvretenDefinition EN: to erode metal by rubbing or wearing,as in filing,jigging,grinding,etc.
abrasion
EN: abrasion
NL: afschuringDefinition EN: severe wear under the action of a hard solid or of hard particles
abrasion resistance
EN: abrasion resistance, BS abrasion index, Hardness-Index(ASTM)
NL: slijtvastheidDefinition EN: (Hardness-Index):the percentage of coke remaining on a 25 inch screen in the standard ASTM Drum Test
abrasion resistance
EN: abrasion resistance
NL: slijtvastheidDefinition EN: (Hardness-Index):the percentage of coke remaining on a 25 inch screen in the standard ASTM Drum Test
abrasive
EN: abrasive
NL: schuurmiddelEN: abradant
NL: slijpmiddelDefinition EN: abrasives include disc and band abrasives as well as tools made up of abrasive stones mounted on a tool holder (grinder)
Definition NL: slijpschijven en slijpbanden alsmede vormgereedschap, bestaande uit in een houder gevatte kleine slijpstenen (hoonstenen)
abrasive band
EN: abrasive band, grinding band, abrasive belt(USA), grinding belt(USA)
NL: slijpbandDefinition NL: Eindloze band van doek of papier, waarop slijpmiddel aangebracht is
abrasive belt(USA)
EN: abrasive belt(USA), grinding band, grinding belt(USA), abrasive band
NL: slijpbandDefinition NL: Eindloze band van doek of papier, waarop slijpmiddel aangebracht is
abrasive cutoff machine
EN: abrasive cutoff machine
NL: doorslipmachineDefinition EN: a machine using a thin abrasive wheel rotating at high speed to cut off gates and risers from castings
abrasive cutoff wheel
EN: abrasive cutoff wheel
NL: doorslipschijfDefinition EN: plastic disc impregnated with an abrasive for cutting ceramics and metals.Used on abrasive cutoff machines
abrasive polishing
EN: abrasive polishing
NL: polijsten met schuurmiddelenDefinition EN: process of wearing or grinding a surface by friction
abrasive water jet cutting
EN: abrasive water jet cutting
NL: snijden met een waterstraal met slijpmiddelDefinition NL: slijpmiddel: bv. kwarts, carborundum
abrasives
EN: abrasives
NL: slijpmiddelDefinition EN: materials used for the grinding,polishing,blasting,either in loose form or bonded to form wheels,bricks or files,or applied to paper and cloth by glue or resin.Natural abrasives include eme corundum,garnet,sand,flint,etc.
absolute altimeter
EN: absolute altimeter
NL: ware hoogtemeter, absolute hoogtemeterDefinition EN: a radio or similar apparatus that is designed to indicate the true vertical height of an aircraft above the terrain
absolute altitude
EN: absolute altitude, flight altitude
NL: absolute hoogteDefinition EN: the altitude above a land or water surface over which an aircraft,missile,or spacecraft is flying
absolute command
EN: absolute command, absolute instruction
NL: absolute opdrachtDefinition EN: a display command using absolute coordinates
Definition NL: a) visualisatie-opdracht die bewerkstelligt, dat het beeldstation de gegevens die na deze opdracht komen interpreteert als absolute coördinaten; b) opdracht die een volledige computerbewerking specificeert en uitvoert
absolute error
EN: absolute error
NL: foutDefinition EN: the algebraic difference between the indicated value and the comparison value
absolute frequency deviation
EN: absolute frequency deviation
NL: absolute frequentiezwaai, frequentiezwaaiDefinition EN: the greatest difference between the instantaneous frequency of the frequency modulated wave and the average frequency
absolute hardness
EN: absolute hardness
NL: absolute hardheidDefinition EN: hardness matching the elastic limit
absolute pressure
EN: absolute pressure
NL: absolute drukDefinition EN: the pressure referred to the perfect vacuum; it is the sum of gauge pressure and atmospheric pressure
absolute streamline
EN: absolute streamline, absolute flow line
NL: absolute stromingslijnDefinition EN: The course of a streamline in relation to a resting system of reference
absolute temperature
EN: absolute temperature
NL: absolute temperatuurDefinition EN: temperature as measured above absolute zero
absolute vacuum
EN: absolute vacuum
NL: absoluut vacuumDefinition EN: a space totally void of matter
absolute value
EN: absolute value
NL: norm, absolute waardeDefinition EN: the numerical value of the number without considering its sign
Definition NL: de positieve waarde van een getal of de lengte van een vector
absolute zero
EN: absolute zero
NL: absoluut nulpuntDefinition EN: the lowest temperature theoretically possible; temperature at which all particle motion (and hence all energy) would cease; a point 273.16 degrees below zero on the Celsius scale; 2)a point that can be theoretically attained when all intrinsic molecular activity completely ceases
absorbate
EN: absorbate
NL: geabsorbeerde stofDefinition EN: that substance absorbed by an absorbent
absorbed dose rate
EN: absorbed dose rate
NL: dosistempoDefinition EN: the increment of absorbed dose dD during a suitably small interval of time dt divided by that interval of time
absorbed power
EN: absorbed power
NL: opgenomen vermogenDefinition EN: power absorbed at the drive shaft of the pump at a given instant or under given load conditions
absorber
EN: absorber
NL: absorberDefinition EN: that part of an absorption machine in which the refrigerant vatour is absorbed
absorber
EN: absorber
NL: absorptiemateriaalNL: neutronenabsorberend materiaalDefinition NL: materiaal met grote vangstdoorsnede voor neutronen
absorber rod worth
EN: absorber rod worth, control rod worth
NL: regelstaafwaardeDefinition EN: the reactivity change resulting from the complete insertion of a fully withdrawn control rod into a critical reactor under specified conditions
absorptance
EN: absorptance
NL: absorptiecoefficientDefinition EN: ratio of the radiant energy flow rate absorbed by a surface to the energy flow rate received
absorption
EN: absorption
NL: absorptieEN: absorption of radiation
NL: stralingsabsorptieEN: energy absorption
NL: absorptie van energieDefinition EN: the phenomenon in which incident radiation transfers some or all of its energy to the matter which it traverses
absorption cross section
EN: absorption cross section
NL: absorptiedoorsnedeDefinition EN: the sum of the cross sections for all neutron reactions with an atom except elastic and inelastic collisions
absorption hygrometer
EN: absorption hygrometer
NL: absorptiehygrometerDefinition EN: an instrument in which the atmospheric humidity is determined from the absorption of water vapour by a hygroscopic material
absorptive power
EN: absorptive power
NL: absorptievermogenDefinition EN: a mathematical expression of the capacity of a substance to absorb another substance or form of energy
accelerated aging
EN: accelerated aging, accelerated ageing, artificial ageing
NL: maatstabiliseringDefinition EN: stabilization of a material by means of different procedures,chiefly thermic,in order to limit alterations occurring in the course of time.Ageing is a change in properties that may occur gradually at atmospheric temperatures("natural ageing")and more rapidly at higher temperatures("artificial ageing")
accelerated life tests
EN: accelerated life tests
NL: versnelde levensduurtestDefinition EN: the methods designed to approximate,in a short time,the deteriorating effects under normal long-term service conditions
accelerated test
EN: accelerated test
NL: versnelde proefDefinition EN: a test in which the applied stress level is chosen to exceed that stated in the reference conditions in order to shorten the time required to observe the stress response of the item, or magnify the responses in a given time. To be valid, an accelerated test must not alter the basic modes and/or mechanisms of failure, or their relative prevalence
accelerated testing
EN: accelerated testing
NL: versnelde verweringstestDefinition EN: tests,the conditions of which simulate those encountered in practice,but which have been accentuated artificially to provide performance results in shorter periods of time
acceleration phase
EN: acceleration phase
NL: aanjaagfaseDefinition EN: initial phase of launch and rapid acceleration in missile or other short-range aerodynamic vehicle fitted with boost rockets
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