单词 | resolving power |
例句 | "This is unprecedented and entirely due to Webb's higher resolving power!" New findings support long-proposed process of planet formation 2023-11-08T05:00:00Z The resolving power of a lens is defined as that distance x . College Physics for AP Courses 2015-08-12T00:00:00Z Two parameters that are important in microscopy are magnification and resolving power. Biology for AP Courses 2022-06-09T00:00:00Z This distance is typically proportional to the wavelength of light used: the smaller the wavelength, the better the resolving power. High-energy-electron scattering probes the strong nuclear interaction at close range 2020-02-25T05:00:00Z The limited resolving power of astronomical instruments usually means that we don't get to see any details on objects like distant stars. 3 Cosmic Images from 2017: No. 1 2017-12-30T05:00:00Z The resolving power needed to see at that distance something even of the enormous size of Sagittarius A* therefore requires an extraordinarily large telescope. Now there’s a look in your eyes, like black holes in the sky 2016-01-07T05:00:00Z An expression for resolving power is obtained from the Rayleigh criterion. College Physics for AP Courses 2015-08-12T00:00:00Z As the resolving power of telescopes improved, patient astronomers gleaned more information about the moons and rings of this remarkable planet. Saturn: A History [Slide Show] 2015-03-01T05:00:00Z The maximum resolving power of conventional optical microscopes is about 200 nanometers, about half the wavelength of visible light. Expansion Microscopy Stretches Limits of Conventional Microscopes 2015-01-19T05:00:00Z The LBT’s resolving power is boosted even further when it is operated as a giant set of binoculars. Teething troubles at huge telescope 2013-07-10T17:20:47.843Z A telescope’s resolving power depends on the width of its aperture. Now there’s a look in your eyes, like black holes in the sky 2016-01-07T05:00:00Z Thus the microscope has more information to form a clear image, and so its resolving power will be higher. College Physics for AP Courses 2015-08-12T00:00:00Z One was the coarse resolving power of the satellites’ instruments. The climate of Tibet: Pole-land 2013-05-09T15:00:31Z Last year, three scientists received a Nobel Prize for a technique in which fluorescent molecules are used to extend the resolving power of optical microscopes. Expansion Microscopy Stretches Limits of Conventional Microscopes 2015-01-19T05:00:00Z The EHT, with its superior resolving power from the long baselines separating its individual sites, allowed the researchers to measure a size for the jet's footprint of just 5.5 times the black hole's Schwarzschild radius. Off-Peek: Radio Telescopes Edge In on Plasma Jet Spewing from Massive Black Hole 2012-09-28T15:15:00.490Z And its resolving power will help with the search for extrasolar planets. The Square Kilometre Array: Divide and rule 2012-05-31T15:05:28Z The resolving power of the interferometer is found to be somewhat more than double that of a telescope of the same aperture. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z On account of the short focal length of the three-foot mirror, the photographic resolving power of the telescope is much below its optical resolving power. Photographs of Nebul? and Clusters Made with the Crossley Reflector 2011-06-21T02:00:27.500Z The reason of the augmentation of resolving power with aperture will now be evident. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" Finally, the greater theoretical resolving power of the larger aperture, providing it can be utilized, should permit the separation of the members of close double stars beyond the range of the smaller instrument. The New Heavens The resolving power of a telescope is determined by the ratio of its size to the wavelength of the radiation it is collecting. The Square Kilometre Array: Divide and rule 2012-05-31T15:05:28Z But it is possible that, as suggested by Rowland,5 the structure of natural spectra may be too coarse to give opportunity for resolving powers much higher than those now in use. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" The contraction of the diffraction pattern with increase of aperture is of fundamental importance in connexion with the resolving power of optical instruments. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" The resolving power of a telescope with circular or rectangular aperture is easily investigated experimentally. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" In estimating theoretically the resolving power on a double star we have to consider the illumination of the field due to the superposition of the two independent images. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" The visibility of a star is a question of brightness simply, and has nothing to do with resolving power. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" If we now suppose half the grating cut away, so as to leave 1000 lines in half an inch, the dispersion will not be altered, while the brightness and resolving power are halved. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" There is clearly no theoretical limit to the resolving power of gratings, even in spectra of given order. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" Merely to show the dependence of resolving power on aperture it is not necessary to use a telescope at all. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" The statement of the law of resolving power has been made in a form appropriate to the microscope, but it admits also of immediate application to the telescope. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" The actual finiteness of λ imposes a limit upon the separating or resolving power of an optical instrument. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" It is especially to be noticed that the resolving power does not depend directly upon the closeness of the ruling. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" The resolving power and the width of the emergent beam fix the optical character of the instrument. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" As the minimum focal length increases with the square of the aperture, a quite impracticable distance would be required to rival the resolving power of a modern telescope. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" In the above discussion it has been supposed that the ruling is accurate, and we have seen that by increase of m a high resolving power is attainable with a moderate number of lines. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" |
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