| 单词 | photometer |
| 释义 | photometer noun[C] physicsspecializeduk/fəʊˈtɒm.ɪ.tər/us/foʊˈtɑː.mə.t̬ɚ/apieceofequipmentused byscientiststomeasurethestrengthoflight 光度计，测光表Laboratory equipment
Examplesofphotometerphotometer A highprecision, wide-field, stellarphotometer, designed to perform continuous long-term observations of star systems will be onboard the spacecraft. From theCambridge English Corpus Fromphotometermeasurements of these three luminances a calibration table was calculated and included in the computer program that collected the data. From theCambridge English Corpus Light calibrations were made at the plane of the retina with a photodiodephotometer. From theCambridge English Corpus I am told that it is possible to have aphotometerwhich measures the luminous intensity of rear lights. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 Reflected light was measured using a pyrometer lamp as aphotometer. From Wikipedia  This example is from Wikipedia and may be reused under a CC BY-SA license.Thephotometerhas a soft focus to provide excellent photometry, rather than sharp images. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Apart from this post, his main body of work concerned the photometry of stars and the investigation of variable stars with a newphotometer. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.O and two fast photometers are used to correct star scintillation perturbations and to determine high vertical resolution temperature profiles. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.A multiangle absorptionphotometertakes into account both transmitted and reflected light. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.The time of day, the circadian phase, is signalled to the pineal gland, the bodysphotometer, by the suprachiasmatic nucleus. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Other general purpose light power measuring devices are usually called radiometers, photometers, laser power meters, light meters or lux meters. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Initial light output is measured with an integrating spherephotometer, 30 seconds after the light is switched on with fresh (or newly charged) batteries. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.With a new design ofphotometer, he was able to measure the exceptionally faint stars in these clusters. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Although the selenium cellphotometerwas proving successful, it was difficult to use and not very sensitive. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.If the sample volumes are large enough to use microplates or cuvettes, the dye-loaded samples can also be quantified with a fluorescencephotometer. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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