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Cutoff [streams]
| Глоссарий геологических терминов |
The new and relatively short channel formed when a stream cuts through a narrow strip of land and thereby shortens the length of its channel. gg
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Cutoff, английский
- The number of feet a bit may be used in a particular type of rock (as specified by the drill foreman).
- The point in the stroke of the piston of a steam engine where the entrance of live steam is stopped by the closure of the inlet valve.
- To close, shut off, or terminate. 4. minimum percentage of mineral in an ore that can be mined profitably.
Cutoff (of financial year, of reporting period), английский
Cutoff -, английский
Глубина заложения зуба плотины
Cutoff angle, английский
Cutoff band machine, английский
Ленточноотрезной станок см. также band cutoff machine
Cutoff characteristic, английский
Модуляционная характеристика
Cutoff circuit, английский
Запертая схема
Cutoff concentration, английский
Критическая концентрация. концентрация наркотического вещества в пробе, используемая для того, чтобы определить, является ли данная проба отрицательной или положительной [24]. в некоторых случаях рекомендуется устанавливать критическую концентрацию равной пределу обнаружения. см. threshold (порог).
Cutoff date, английский
Дата обновления
Cutoff design chart, английский
Диаграмма запирания
Cutoff energy, английский
Пороговая (граничная) энергия
Cutoff entry, английский
Cutoff frequency, английский
- Предельная частота
- The designated frequency of a filter after which the sound is not allowed to pass. in a high-pass filter, a high cutoff frequency will be excessively trebly and bright, as no low frequencies will be present. in a low-pass filter, a low cutoff frequency may be too muted and dark, as no high frequencies or overtones will be present.
- Upper or lower spectral response of a filter or amplifier, at which the response is a specified amount less (usually 3 or 6 db) than the maximum response. d
- Верхний или нижний спектральный отклик фильтра или усилителя, при котором отклик на определенную величину меньше (обычно на 3 или 6 дб), чем максимальный отклик. д
- Upper or lower frequency corresponding to the spectral response of a filter or amplifier, at a specified amount less (usually 3 db power or 6 db voltage/amplitude) than the maximum response.1 d d* (detectivity star): detectivity expressed inversely so that higher d*s indicate better performance. sensitivity figure of merit of an infrared detector. d* is taken at specific test conditions of chopping frequency and information bandwidth and displayed as a function of spectral wavelength.3 d* is the detectivity scaled to the unit sensitive detection area, with detectivity corresponding to the inverse of the noise equivalent flow.
- In ultrasonic testing, upper or lower spectral response of a filter or amplifier, at which the ultrasonic response is a specified amount less (usually 3 or 6 db) than the maximum response.
Cutoff grade, английский
Cutoff hole, английский
Cutoff mode, английский
The highest order mode that will propagate in a given waveguide at a given frequency.
Cutoff point, английский
The lowest rate of return acceptable on investments.
Cutoff relay, английский
Cutoff shot, английский
Cutoff spatial frequency, английский
Cutoff sprinkler, английский
A fire sprinkler whose heads produce a curtain of water across a door when a fire alarm system is activated; prevents the spread of flames.
Relatively, английский
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Cutter [karst], английский
A dissolution groove or trench formed along vertical bedrock fractures beneath soil and usually buried beneath regolith with little or no ground surface expression, commonly wider than a solution fissure (widths commonly range from 0.5 to 3 meters) and tapering down to a crack or a bedrock floored trench; also called grike (not preferred), or subsurface karren. compare - karren, solution fissure, solution corridor. sw & ww
Cut [geology], английский
A passage, incision, or space from which material has been excavated, such as a road cut or a railroad cut. gg
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