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maintaining voltage
EN: maintaining voltageNL: brandspanning
Definitie EN: the tube voltage drop within the range of current over which the voltage drop is substantially independent of current
maintenance-free battery
EN: maintenance-free batteryNL: onderhoudsvrije batterij
Definitie EN: a battery that need not be refilled with water under normal circumstances
major parameters
EN: major parametersNL: hoofdparameters
Definitie EN: the parameters of semiconductor devices of major importance(though less than critical)in testing
majority carrier
EN: majority carrierNL: meerderheidsladingdrager, meerderheidsdrager
Definitie EN: a charge carrier constituting more than half of the total free charge concentration
Definitie NL: overheersende ladingdrager in een halfgeleider; bij het n-type zijn dit de elektronen, bij het p-type de gaten
majority-carrier distribution
EN: majority-carrier distributionNL: meerderheidsladingsdragersverdeling
NL: verdeling van meerderheden
Definitie EN: variation of the majority-carrier density through a semiconductor piece; closely follows variation of the impurity density at temperatures between the impurity-ionisation temperature and the high-temperature intrinsic onset
majority-carrier lifetime
EN: majority-carrier lifetimeNL: levensduur van meerderheidsladingsdragers
NL: levensduur van meerderheden
Definitie EN: constant in the exponent describing the relaxation of a system of excess majority carriers, analogous to the minority-carrier lifetime; may be extremely long if the trapping-state density and density of minority carriers are low; not an important parameter except in consideration of certain aspects of conductivity modulation
majority-electron density
EN: majority-electron densityNL: meerderheids elektronen dichtheid
Definitie EN: density of free-electrons in a particular region of n-type semiconductor material in given conditions, available to take part in conduction processes, etc.; depends on the donor-atom density
majority-hole density
EN: majority-hole densityNL: meerderheids gaten dichtheid
Definitie EN: density of holes in a particular region of p-type semiconductor material in given conditions, available to take part in conduction process, etc.; depends on acceptor-atom density
make and break switch
EN: make and break switch, switchNL: lastschakelaar, schakelaar
Definitie EN: the mechanical switching device capable of making,carrying and breaking currents under normal circuit conditions,which may include specified operating overload conditions,and also carrying for a specified time currents under specified abnormal circuit conditions such as those of short-circuit
Definitie NL: Toestel om een elektrische stroomketen te sluiten of te onderbreken
make contact
EN: make contact, a-contactNL: meegaand contact, a-contact, maakcontact
Definitie EN: the control or auxiliary contact which is closed when the main contacts of the mechanical switching device are closed and open when they are open
make contact
EN: make contact, make contact unitNL: maakcontact
Definitie EN: an arrangement of two contact members which makes an electrical connection when the relay is operated
make contact
EN: make contactNL: maakcontact
Definitie EN: a contact which is closed when the relay is in its energised condition and which is opened when the relay is in its unenergised condition
make contact unit
EN: make contact unitNL: maakcontact
Definitie EN: an arrangement of two contact members which makes an electrical connection when the relay is operated
make-break
EN: make-breakNL: onderbrekingsverhouding
Definitie EN: the ratio between the open and closed time of contacts used for dial pulsing
make-time
EN: make-timeNL: inschakeltijd
Definitie EN: the interval of time between the initiation of the closing operation and the instant when the current begins to flow in the main circuit
making capacity
EN: making capacityNL: inschakelvermogen
Definitie EN: the value of prospective making current that a switching device is capable of making at a stated voltage under prescribed conditions of use and behaviour
male connector
EN: male connectorNL: stekker
Definitie EN: electrical connector that contains pin-type contacts
male contact
EN: male contactNL: pencontact
Definitie EN: a contact intended to make electrical engagement on its outer surface and which will enter a female contact
maloperation
EN: maloperation, misoperationNL: onjuist functioneren
Definitie EN: the performance of a service different from that which would be expected
maloperation
EN: maloperationNL: onjuist functioneren
Definitie EN: the performance of a service different from that which would be expected
manned substation
EN: manned substationNL: bemand station
Definitie EN: a substation which is locally operated by personnel working within the substation
manual closing
EN: manual closingNL: inschakeling
Definitie EN: closing operation by hand without using any other source of power
manual control
EN: manual controlNL: handbediening
Definitie EN: a type of control in which man operates either directly or indirectly on the final controlling element
manual control
EN: manual controlNL: handbediening
Definitie EN: the control of an operation by human intervention
manual controller
EN: manual controllerNL: apparaat met handbediening
Definitie EN: a horsepower rated switch without overload protection used for the operation of small a.c.and d.c.motors
manual direction finder
EN: manual direction finderNL: peiler met handbediening
Definitie EN: a direction finder with a hand-controlled measuring device
manual editing
EN: manual editingNL: montage met de hand
Definitie EN: a method wherein editing is carried out by physically cutting and splicing the video tape,the position of the cut being identified by an edit pulse
manual opening
EN: manual openingNL: uitschakeling
Definitie EN: opening operation by hand without using any other source of power
manual switchgroup
EN: manual switchgroupNL: schakelaars ingericht voor handbediening
Definitie EN: a switchgroup operated by hand or foot,either directly or by shafting
many-lump diode model
EN: many-lump diode modelNL: uitgebreid diode vervangingsschema
Definitie EN: a lumped model of a p-n junction diode in which both p-type and n-type regions are represented by many lumped-model elements
many-valley semiconductor
EN: many-valley semiconductor, multi-valley semiconductorNL: halfgeleider met veel dalen
Definitie EN: semiconductor material whose energy band system has a conduction band whose minimum does not occur at (000)in wavenumber space but at some other position in the Brillouin zone; as result of the conjugate nature of conduction band minima there will be many minima, or valleys; e.g. ,simple case has six valleys in the directions (100), (010), (001), (100), (010)and (001)
many-valley semiconductor
EN: many-valley semiconductorNL: halfgeleider met veel dalen
Definitie EN: semiconductor material whose energy band system has a conduction band whose minimum does not occur at (000)in wavenumber space but at some other position in the Brillouin zone; as result of the conjugate nature of conduction band minima there will be many minima, or valleys; e.g. ,simple case has six valleys in the directions (100), (010), (001), (100), (010)and (001)
marginal capacity
EN: marginal capacityNL: marginale capaciteit
Definitie EN: the increment of traffic intensity that can be offered per circuit added to a given circuit group while maintaining the same grade of service
marginal cost method
EN: marginal cost methodNL: marginale kostentoerekening, toerekening naar marginale kosten
Definitie EN: the method of imputing to each consumer class a cost equal to the product of the number of units,i.e.,kilowatt or kilowatt-hour,taken within a specified period,e.g.peak,winter day,summer day,night,and the corresponding marginal cost
Definitie NL: toerekening door het aantal in een bepaald tijdsbestek (piek, winterdag, zomerdag, nacht) afgenomen eenheden (kW of kWh) te vermenigvuldigen met de bijbehorende marginale kosten
MARISAT
EN: MARISATNL: maritieme satelliet
Definitie EN: a geostationary communication satellite equipped with a repeater operating at microwave frequencies,for ship-to-store communication by satellite
mark
EN: markNL: werk
EN: space
NL: rust
Definitie EN: designation of the two significant conditions of a binary modulation or restitution
marker space
EN: marker spaceNL: marge
Definitie EN: the portion of the recorded surface where the groove pitch has been increased to mark the separation of two successive bands of recording
marking
EN: markingNL: merken
Definitie EN: a printed identification number or symbol applied to the surface of a wire or cable
maser instability
EN: maser instability, loss-cone instabilityNL: verlieskegelinstabiliteit
Definitie EN: An electrostatic microinstability which arises in open-ended systems where the deficit of plasma particles within the losscones produces a "humped distribution" in velocity space.This c reates a situation similar to that in the two-stream instability.
mask
EN: maskNL: masker
Definitie EN: a transparent(glass or quartz)plate covered with an array of patterns used in making integrated circuits
mask cut-out
EN: mask cut-outNL: uitsnijden
Definitie EN: the uncovering of the surfaces to be etched,e.g.using a scalpel if the part has been fully masked
Definitie NL: Afgedekte, maar wel te etsen gedeelten van het werkstuk, met een mes ontdoen van de afdeklaag
mask design
EN: mask design, diffusion mask designNL: maskerontwerp
Definitie EN: a pattern of a diffusion mask used to make a given device or circuit
mask set
EN: mask setNL: masker-set
Definitie EN: a set of masks required sequentially for selective diffusion and contact metallising in the production of a device or circuit by a solid-state diffusion technique such as the planar technique
masked multilayer growth
EN: masked multilayer growthNL: gemaskerde meerlaags-epitaxiale groei
Definitie EN: the growth of multiple layers of semiconductor material in required areas of a surface by masking areas in which growth is not required,using suitable mechanical or oxide layers that prevent epitaxial deposition
masked ROM
EN: masked ROMNL: gemaskeerd ROM
Definitie EN: Regular ROM whose contents are produced during its manufacture by the usual masking process.This in in contrast to a PROM whose contents are "programmed" after its manufacture by means of a PROM programming device.
Definitie NL: dood geheugen waarvan de inhoud tijdens zijn fabricage wordt vastgelegd met behulp van een layout-masker
masking
EN: maskingNL: maskeren
Definitie EN: a technique that allows a system to delete superfluous(inaudible or invisible)artefacts from a data stream by means of data reduction or data compression,enabling the system to transmit or store wide-bandwidth information within a much smaller bandwidth
mass transfer
EN: mass transferNL: stofoverdracht
Definitie NL: Het transport van stof ten gevolge van diffusie en convectie.Meestal treden mechanismen tegelijk op.Het transport wordt dan beschreven met de stofoverdrachtscoëfficiënt.
master bistable
EN: master bistable, master flip-flopNL: meesterflip-flop
Definitie EN: a bistable consisting of cross-coupled transistors, whose state is set by the incoming signal, but which does not directly put out a signal; instead it controls the state of a slave bistable that supplies the necessary power for the output without becoming involved in logic operations
master bistable
EN: master bistableNL: meesterflip-flop
Definitie EN: a bistable consisting of cross-coupled transistors, whose state is set by the incoming signal, but which does not directly put out a signal; instead it controls the state of a slave bistable that supplies the necessary power for the output without becoming involved in logic operations
master clock
EN: master clockNL: moederklok, hoofdklok
Definitie EN: in an electrical time-distribution system,the clock producing the current impulses controlling all the other clocks connected to the system
Definitie NL: elektrische klok die andere klokken(nevenklokken)aandrijft
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