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1 range of sound wave propagation
English-Russian electronics dictionary > range of sound wave propagation
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2 range of sound wave propagation
The New English-Russian Dictionary of Radio-electronics > range of sound wave propagation
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3 frequency range of plane-wave sound propagation in duct with circular cross section
3.10 диапазон частот плоских звуковых волн в круглом воздуховоде (frequency range of plane-wave sound propagation in duct with circular cross section): Диапазон частот плоских звуковых волн ниже критической частоты первой поперечной моды f1,0, Гц.
Примечание - Критическую частоту f1,0, Гц, рассчитывают по формуле
(3)
где c - скорость звука, приблизительно равная 340 м/с;
D - диаметр воздуховода, м;
U - средняя скорость потока, м/с.
Обозначения используемых в стандарте величин приведены в таблице 1.
Таблица 1 - Обозначения величин
Величина
Обозначение
Поправка к частотной характеристике микрофона для приведения ее к условиям свободного звукового поля (указывается производителем микрофона), дБ
C1
Поправка к частотной характеристике микрофона, учитывающая влияние устройства защиты микрофона при нормальном падении звуковой волны (см. 5.3.3 и 5.3.4), дБ
C2
Комбинированная поправка, учитывающая влияние средней скорости потока и мод звукового поля на частотную характеристику микрофона при применении устройства защиты микрофона [см. 5.3.3.4, 5.3.4.3, таблицы А.1 - А.6 (приложение А), таблицы Н.1 - Н.3 (приложение Н), таблицы 1.1 - 1.3 (приложение I)], дБ
C3,4
Суммарная поправка к частотной характеристике, дБ
C = C1 + C2 + C3,4
Скорость звука в измерительном воздуховоде, м/с
c
Средняя скорость потока в измерительном воздуховоде, м/с
U
Плотность воздуха в воздуховоде, кг/м3
Р
Диаметр входа вентилятора d1,выхода вентилятора d2, измерительного воздуховода d3 и d6 (см. рисунок 5), промежуточных воздуховодов d4,оконечных воздуховодов d6(см. рисунок 6) и d3 (см. рисунок 7), м
D
Длина воздуховодов и переходных элементов (см. рисунки 5 - 7), м
L
Расстояние по радиусу от оси измерительного воздуховода до оси микрофона, м
R
Коэффициент отражения звукового давления, равный отношению амплитуды звукового давления волны, отраженной на срезе концевого поглощающего устройства, к амплитуде звукового давления падающей волны
ra
Размеры поперечного сечения прямоугольного всасывающего или нагнетающего воздуховода вентилятора, м
b, h
Площадь поперечного сечения воздуховода, м2
S
Примечание - U < 0 для измерений на всасывающей стороне, U > 0 для измерений на нагнетательной стороне.
Источник: ГОСТ 31352-2007: Шум машин. Определение уровней звуковой мощности, излучаемой в воздуховод вентиляторами и другими устройствами перемещения воздуха, методом измерительного воздуховода оригинал документа
Англо-русский словарь нормативно-технической терминологии > frequency range of plane-wave sound propagation in duct with circular cross section
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4 range
1) диапазон (напр. настройки); полоса (напр. частот); интервал; пределы (напр. изменения); область (напр. собственной электропроводности); зона (напр. молчания) || обладать (определённым) диапазоном; находиться в полосе, интервале или в определённых пределах; принадлежать области; находиться в зоне3) динамический диапазон (напр. усилителя)4) дальность; протяжённость; длина || измерять дальность; определять протяжённость или длину5) дальность действия; радиус действия6) направление; линия || направлять; задавать направление; наводить9) расстояние до цели или объекта || определять расстояние до цели или объекта10) ряд; последовательность; порядок || выстраивать(ся) в ряд; располагать(ся) последовательно; упорядочивать(с)11) выравнивать; сглаживать12) класс; ранг; (иерархический) уровень; категория || классифицировать; ранжировать; относить к (определённому) уровню или категории13) полигон•- range of sound wave propagation
- Adcock radio range
- amplitude range
- A-N radio range
- attribute range
- aural radio range
- blind -range
- capture range
- carrier-frequency range
- co-altitude range
- common-mode voltage range
- compliance voltage range
- contrast range
- coverage range
- criteria range
- cross-section measurement range
- daylight visible range
- depletion range
- detection range
- differential-input range
- differential-input voltage range
- Doppler range
- dynamic range
- electronic tuning range
- exhaustion range
- extrinsic-conduction range
- extrinsic temperature range
- four-course radio range
- freak range
- free-space range
- freeze-out range
- frequency range
- full scale range
- ground range
- hold-in range
- holding range
- interdecile range
- interquartile range
- intrinsic-conduction range
- intrinsic temperature range
- invisible range
- line-of-sight range
- lock range
- locking range
- lock-on range
- loop-type radio range
- low-power very high-frequency omnidirectional range
- measurement range
- mechanical tuning range
- microprocessor address range
- microwave range
- multiple-track range
- night visual range
- night time visual range
- octave-frequency range
- omnidirectional radio range
- operating range
- operating-temperature range
- penetration range
- picture range
- picture contrast range
- pull-in range
- radar range
- radio range
- rated range
- reading dynamic range
- reception range
- sample range
- sampling range
- saturation range
- scale range
- scan angle range
- scattering range
- self-tuning range
- slant range
- stability range
- string range
- studentized range
- surface range
- switching-tube tuning range
- synchronization range
- target range
- tracking range
- tuning range
- two-course radio range
- vacuum range
- very-high-frequency omnidirectional range
- VHF omnidirectional range
- video-audio range
- virtual range
- visible range
- visual-aural range
- visual radio range
- volume range
- white-to-black amplitude range
- writing dynamic range -
5 range
1) диапазон (напр. настройки); полоса (напр. частот); интервал; пределы (напр. изменения); область (напр. собственной электропроводности); зона (напр. молчания) || обладать (определённым) диапазоном; находиться в полосе, интервале или в определённых пределах; принадлежать области; находиться в зоне3) динамический диапазон (напр. усилителя)4) дальность; протяжённость; длина || измерять дальность; определять протяжённость или длину5) дальность действия; радиус действия6) направление; линия || направлять; задавать направление; наводить9) расстояние до цели или объекта || определять расстояние до цели или объекта10) ряд; последовательность; порядок || выстраивать(ся) в ряд; располагать(ся) последовательно; упорядочивать(ся)11) выравнивать; сглаживать12) класс; ранг; (иерархический) уровень; категория || классифицировать; ранжировать; относить к (определённому) уровню или категории13) полигон•- amplitude range
- A-N radio range
- attribute range
- aural radio range
- blind-range
- capture range
- carrier-frequency range
- co-altitude range
- common-mode voltage range
- compliance voltage range
- contrast range
- coverage range
- criteria range
- cross-section measurement range
- daylight visible range
- depletion range
- detection range
- differential-input range
- differential-input voltage range
- Doppler range
- dynamic range
- electronic tuning range
- exhaustion range
- extrinsic temperature range
- extrinsic-conduction range
- four-course radio range
- freak range
- free-space range
- freeze-out range
- frequency range
- full scale range
- ground range
- hold-in range
- holding range
- interdecile range
- interquartile range
- intrinsic temperature range
- intrinsic-conduction range
- invisible range
- line-of-sight range
- lock range
- locking range
- lock-on range
- loop-type radio range
- low-power very high-frequency omnidirectional range
- measurement range
- mechanical tuning range
- microprocessor address range
- microwave range
- multiple-track range
- night visual range
- nighttime visual range
- octave-frequency range
- omnidirectional radio range
- operating range
- operating-temperature range
- penetration range
- picture contrast range
- picture range
- pull-in range
- radar range
- radio range
- range of coverage
- range of sound wave propagation
- rated range
- reading dynamic range
- reception range
- sample range
- sampling range
- saturation range
- scale range
- scan angle range
- scattering range
- self-tuning range
- slant range
- stability range
- string range
- studentized range
- surface range
- switching-tube tuning range
- synchronization range
- target range
- tracking range
- tuning range
- two-course radio range
- vacuum range
- very-high-frequency omnidirectional range
- VHF omnidirectional range
- video-audio range
- virtual range
- visible range
- visual radio range
- visual-aural range
- volume range
- white-to-black amplitude range
- writing dynamic rangeThe New English-Russian Dictionary of Radio-electronics > range
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6 propagation
1) размножение
2) распространение
3) пропаганда
4) развитие
– crack propagation
– direction of propagation
– law of propagation errors
– microwave propagation
– propagation constant
– propagation delay
– propagation difference
– propagation distance
– propagation factor
– propagation function
– propagation loss
– propagation of sound
– propagation ratio
– propagation time
– sign propagation
– time of propagation
– wave propagation
long-range wave propagation — дальнее распространение радиоволн
signal propagation velocity — < radio> скорость распространения сигналов
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7 factor
2) фактор3) показатель•factor of earthing — коэффициент заземленияfactor of merit — 1. критерий качества 2. добротностьfactor of quality — 1. критерий качества 2. добротностьfactor of safety — 1. коэффициент запаса (прочности), запас прочности 2. коэффициент (фактор) безопасности 3. коэффициент надёжностиfactor of safety against overturning — коэффициент запаса устойчивости против опрокидывания ( при расчёте подпорных стенок)factor of safety against sliding — коэффициент запаса устойчивости против плоского сдвига по основанию ( при расчёте подпорных стенок)factor of safety against ultimate stress — коэффициент запаса прочности по пределу прочности-
2T pulse K factor
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absorption factor
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acceleration factor
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accumulation factor
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acoustic insulation factor
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acoustic reduction factor
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acoustic reflection factor
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acoustical absorption factor
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activity factor
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additional secondary phase factor
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additional secondary factor
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aerodrome utilization factor
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aircraft acceleration factor
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aircraft load factor
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aircraft safety factor
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aircraft usability factor
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amplification factor
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amplitude factor
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anisotropy factor
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annual growth factor
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annual plant factor
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anthropogenic factor
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aperture shape factor
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application factor
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array factor
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ASTM stability factor
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atmospheric factor
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atomic factor
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attenuation factor
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automatic scale factor
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availability factor
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available heat factor
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available-lime factor
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average noise factor
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balance factor
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bandwidth factor
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barrier factor
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base-transport factor
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basin shape factor
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beam shape factor
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bed-formation factor
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belt differential factor
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belt factor
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belt sag factor
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biological quality factor N
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biological quality factor
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biotic factor
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blast-penetration factor
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blockage factor
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brake factor
-
break-even load factor
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bulk factor
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bulking factor
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burnup factor
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calibration factor
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Callier factor
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capacitance factor
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capacity factor
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car capacity utilization factor
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cargo load factor
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catalyst carbon factor
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catalyst gas factor
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cement factor
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cementation factor
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characteristic factors
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chemotactic factor
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climatic factor
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clotting factor
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CNI factor
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coil magnification factor
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coincidence factor
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coke-hardness factor
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coke-permeability factor
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Colburo heat-transfer factor
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colicinogenic factor
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colicin factor
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comfort factor
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common factor
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compacting factor
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compensation factor
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complexity factor
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compressibility factor
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concentration factor
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confidence factor
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consumer load coincidence factor
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contrast factor
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control factor
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conversion factor
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conveyance factor
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core factor
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correction factor
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correlation factor
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coupling factor
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cover factor
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crack susceptibility factor
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crest factor
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critical stress intensity factor
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cross-modulation factor
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current amplification factor
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current amplitude factor
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current transformer correction factor
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current unbalance factor
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current waveform distortion factor
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cyclic duration factor
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damage factor
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damage severity factor
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damping factor
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daylight factor
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dc conversion factor
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decontamination factor
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defective factor
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deflection factor
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deflection uniformity factor
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degeneration factor
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degradation factor
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degree-day melting factor
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demagnetization factor
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demand factor
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depolarization factor
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derating factor
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design factor
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design load factor
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detuning factor
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deviation factor
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dielectric loss factor
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differential diffraction factor
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diffuse reflection factor
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diffuse transmission factor
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dilution factor
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dimensionless factor
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directivity factor
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discharge factor
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displacement factor
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displacement power factor
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dissipation factor
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distortion factor
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distribution factor
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diversity factor
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division factor
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dose buildup factor
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dose reduction factor
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drainage factor
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drug resistance factor
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duty cycle factor
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duty factor
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ecological factor
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edaphic factor
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effective demand factor
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effective multiplication factor
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effective-volume utilization factor
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efficiency factor
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electromechanical coupling factor
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elimination factor
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elongation factor
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emission factor
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emissivity factor
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engineering factors
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enlargement factor
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enrichment factor
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environmental factor
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etch factor
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excess air factor
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excess multiplication factor
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expansion factor
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exponential factor
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exposure factor
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external factor
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extraction factor
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extraneous factor
-
F factor
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Fanning friction factor
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fatigue notch factor
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feedback factor
-
field form factor
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field length factor
-
field water-distribution factor
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fill factor
-
filter factor
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filtration factor
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fineness factor
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flux factor
-
food factor
-
force factor
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form factor
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formation volume factor
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formation-resistivity factor
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formation factor
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fouling factor
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F-prime factor
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frequency factor
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frequency multiplication factor
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friction factor
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fuel factor
-
fundamental factor
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gage factor
-
gain factor
-
gamma factor
-
gas factor
-
gas multiplication factor
-
gas producing factor
-
gas recovery factor
-
gas saturation factor
-
geometrical structure factor
-
geometrical weighting factor
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g-factor
-
grading factor
-
granulation factor
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grindability factor
-
growth factor
-
harmonic distortion factor
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harmonic factor
-
heat conductivity factor
-
heat gain factor
-
heat leakage factor
-
heat loss factor
-
heat-stretch factor
-
heat-transfer factor
-
host factor
-
hot-channel factor
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hot-spot factor
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hull-efficiency factor
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human factor
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hysteresis factor
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improvement factor
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inductance factor
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infinite multiplication factor
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inhibitory factor
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innovation factor
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institutional factor
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integer factor
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integrating factor
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interlace factor
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intermodulation factor
-
K bar factor
-
Kell factor
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lamination factor
-
leakage factor
-
lethal factor
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light-transmission factor
-
lime factor
-
limit load factor
-
linear expansion factor
-
literal factor
-
load curve irregularity factor
-
load factor
-
loading factor
-
longitudinal load distribution factor
-
Lorentz factor
-
loss factor
-
luminance factor
-
luminosity factor
-
magnetic form factor
-
magnetic leakage factor
-
magnetic loss factor
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magnification factor
-
maximum enthalpy rise factor
-
membrane swelling factor
-
minimum noise factor
-
mismatch factor
-
mode I stress intensity factor
-
mode II stress intensity factor
-
mode III stress intensity factor
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modifying factor
-
modulation factor
-
modulus factor of reflux
-
moment intensity factor
-
mu factor
-
multiplication factor
-
multiplicity factor
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multiplying factor
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Murphree efficiency factor
-
mutual coupling factor
-
mutual inductance factor
-
natural factor
-
negative phase-sequence current factor
-
negative phase-sequence voltage factor
-
neutron multiplication factor
-
noise factor
-
nonlinearity factor
-
notch concentration factor
-
notch factor
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numerical factor
-
obturation factor
-
oil factors
-
oil recovery factor
-
oil saturation factor
-
oil shrinkage factor
-
opening mode stress intensity factor
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operating factor
-
operating load factor
-
operational factor
-
operation factor
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optimum noise factor
-
orbit burden factor
-
output factor
-
overcurrent factor
-
overload factor
-
pacing factor
-
packing factor
-
paratypic factor
-
partial safety factor for load
-
partial safety factor for material
-
particle-reduction factor
-
passenger load factor
-
peak factor
-
peak responsibility factor
-
peak-load effective duration factor
-
penetration factor
-
performance factor
-
permeability factor
-
phase factor
-
phase-angle correction factor
-
phasor power factor
-
physiographic factor
-
pitch differential factor
-
pitch factor
-
plain-strain stress intensity factor
-
plane-earth factor
-
plant capacity factor
-
plant-load factor
-
plant-use factor
-
porosity factor
-
positive phase-sequence current factor
-
positive phase-sequence voltage factor
-
potential transformer correction factor
-
powder factor
-
power factor
-
power filling factor
-
primary phase factor
-
primary factor
-
prime factor
-
proof/ultimate factor
-
propagation factor
-
propagation meteorological factor
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propagation terrain factor
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proportionality factor
-
proximity factor
-
pulsation factor
-
quality factor
-
R factor
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radiance factor
-
radio-interference suppression factor
-
readiness factor
-
recombinogenic factor
-
recovery factor
-
rectification factor
-
reduction factor
-
redundancy improvement factor
-
reflection factor
-
reflectivity factor
-
refraction factor
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refrigerating factor
-
reheat factor
-
relative loss factor
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relative severity factor
-
release factor
-
reliability demonstration factor
-
reliability factor
-
relocation factor
-
repairability factor
-
repeatability factor
-
reservoir volume factor
-
reset factor of relay
-
resistance transfer factor
-
restorability factor
-
revenue load factor
-
ripple factor
-
risk factor
-
rolling shape factor
-
roll-off factor
-
roughness factor
-
runoff factor
-
safety factor for dropout of relay
-
safety factor for pickup of relay
-
safety factor of insulation
-
safety factor
-
sag factor
-
saturation factor
-
scale factor
-
scaling factor
-
screening factor
-
screen factor
-
secondary-electron-emission factor
-
self-transmissible factor
-
separation factor
-
service factor
-
sex factor
-
shadow factor
-
shape factor
-
sheet ratio factor
-
shielding factor
-
shield factor
-
shrinkage factor
-
signal-to-noise improvement factor
-
size factor
-
skew factor
-
slant-range correction factor
-
sliding factor
-
slip factor
-
smoothing factor
-
snagging factor
-
soap factor
-
social factor
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socioeconomic factor
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solubility factor
-
sound absorption factor
-
space factor of winding
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space factor
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spreading factor
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squeezing factor
-
stability factor
-
stacking factor
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stage amplification factor
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standing-wave factor
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steam reduction factor
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steam-zone shape factor
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storage factor
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stowage factor
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strain concentration factor
-
streamflow formation factor
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strength factor
-
stress concentration factor
-
stress intensity factor
-
stretch factor
-
structure factor
-
submergence factor
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summability factor
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superficial friction factor
-
support factor
-
surface correction factor
-
surface-area factor
-
tapping factor
-
technical preparedness factor
-
telephone influence factor
-
termination factor
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terrain factor
-
thermal eta factor
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thermal factor
-
thermal utilization factor
-
thermodynamic factor
-
thrust-deduction factor
-
time factor
-
time-scale factor
-
tire size factor
-
tooth factor
-
transfer factor
-
transmission factor
-
transport factor
-
traveling-wave factor
-
trigger factor
-
truck service factor
-
tuning factor
-
turbidity factor
-
turbulence factor
-
twist factor
-
U-factor
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unavailability factor
-
unbalance factor
-
unit conversion factor
-
usage factor
-
utilization factor
-
vacuum factor
-
velocity gain factor
-
velocity factor
-
viscosity factor
-
void factor
-
voltage amplification factor
-
voltage amplitude factor
-
voltage ripple factor
-
voltage unbalance factor
-
voltage waveform distortion factor
-
volume-utilization factor
-
wake factor
-
water encroachment factor
-
water saturation factor
-
waveform distortion factor
-
wear factor
-
weather-forming factor
-
weight load factor
-
weighting factor
-
weight factor
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winding factor
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wobble factor
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wood swelling factor
-
work factor
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yield factor
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zero phase-sequence current factor
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zero phase-sequence voltage factor
См. также в других словарях:
Wave propagation — is any of the ways in which waves travel through a waveguide.With respect to the direction of the oscillation relative to the propagation direction, we can distinguish between longitudinal wave and transverse waves.For electromagnetic waves,… … Wikipedia
Interference (wave propagation) — Two point interference in a ripple tank. In physics, interference is the phenomenon in which two waves superpose each other to form a resultant wave of greater or lower amplitude. Interference usually refers to the interaction of waves that are… … Wikipedia
sound — sound1 soundable, adj. /sownd/, n. 1. the sensation produced by stimulation of the organs of hearing by vibrations transmitted through the air or other medium. 2. mechanical vibrations transmitted through an elastic medium, traveling in air at a… … Universalium
Sound — /sownd/, n. The, a strait between SW Sweden and Zealand, connecting the Kattegat and the Baltic. 87 mi. (140 km) long; 3 30 mi. (5 48 km) wide. Swedish and Danish, Oresund. * * * I Mechanical disturbance that propagates as a longitudinal wave… … Universalium
Sound — This article is about audible acoustic waves. For other uses, see Sound (disambiguation). In a drum sound is produ … Wikipedia
Sound from ultrasound — Contents 1 Parametric array 2 Applications 2.1 Commercial advertising … Wikipedia
wave — waveless, adj. wavelessly, adv. wavingly, adv. wavelike, adj. /wayv/, n., v., waved, waving. n. 1. a disturbance on the surface of a liquid body, as the sea or a lake, in the form of a moving ridge or swell. 2. any surging or progressing movement … Universalium
Wave — /wayv/, n. a member of the Waves. Also, WAVE. [1942; see WAVES] * * * I In oceanography, a ridge or swell on the surface of a body of water, normally having a forward motion distinct from the motions of the particles that compose it. Ocean waves… … Universalium
Speed of sound — Sound is a vibration that travels through an elastic medium as a wave. The speed of sound describes how much distance such a wave travels in a certain amount of time. In SI Units with dry air at 20 °C (68 °F), the speed of sound is 343 m/s. This… … Wikipedia
wave motion — ▪ physics propagation of disturbances that is, deviations from a state of rest or equilibrium from place to place in a regular and organized way. Most familiar are surface waves on water, but both sound and light travel as wavelike… … Universalium
Non-line-of-sight propagation — Non line of sight (NLOS) or near line of sight is a term used to describe radio transmission across a path that is partially obstructed, usually by a physical object in the innermost Fresnel zone. Many types of radio transmissions depend, to… … Wikipedia