| 词汇 | diffraction |
| 释义 | diffraction noun[ U ] physics specializeduk /dɪˈfræk.ʃən/ us /dɪˈfræk.ʃən/ (a pattern caused by) a change in the direction of light, water, or sound waves衍射 Physical & chemical processes absorbable absorptive absorptive capacity absorptivity acidification aerate endothermic reaction excitability excitation excite exergonic exothermic impregnate re-emit reabsorb react reboil recondense scald vaporize It is therefore certain that this is a phenomenon of the diffraction of light simply produced by the vesicles of the mist. Orange, red, green, blue—all the hues produced by diffraction—were exhibited in the utmost splendor. Spectra are, however, formed by diffraction, wherein the distribution of both heat and light is different from that produced by the prism. Their slight amplitude, however, is the cause of there here being neither refraction nor diffraction phenomena, save in very special conditions. These are known to be the strongest color bands in the diffraction spectrum, which accounts for their being generally observed. Examples of diffractiondiffraction The diffraction limit for a single image may decrease, although higher resolution datasets can still be collected due to the decreased radiation damage rate. If the first term is large in comparison to the second term, the diffraction dominates over the nonlinear phenomena, leading to defocusing of the ripple. Figure 4 shows the temporal evolution of diffraction profiles. The first corresponds to geometrical optics effects, while the second is associated with diffraction. This can be achieved, for example, by putting special diffraction gratings on the mirrors. Now snip off a comparably sized piece from a diffraction image hologram containing the same chair information. The overall degradation of the diffraction suggests that the reversible effects are also accompanied by gradual irreversible damage to the lattice. The laser beam was diffraction limited, the focal spot diameter was found to be 2 mm, in agreement with the expectations. This reference wave is generated by the diffraction of a very small pinhole. Therefore, for a compensated optical design, both the diffraction of the grating and the dominant aberrations have to be corrected. It is a major dominant term that although initially small, competes with the diffraction term to determine the overall evolution of beam width. It shows reshaping of argon ions with diffraction pattern and broken chains. Limpouch et al. harmonics on the rear side of the spherical target is comparable to that on the front side due to laser diffraction. As a drawback, this technique introduces diffraction by the mirror central edge. The focal spot was found to be very close to the one expected for a diffraction-limited beam. 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. Collocations withdiffractiondiffractionThese are words often used in combination with diffraction. Click on a collocation to see more examples of it. diffraction limit The diffraction limit for a single image may decrease, although higher resolution datasets can still be collected due to the decreased radiation damage rate. diffraction pattern However, there are usually changes in the diffractionpattern after cooling. diffraction peak Although the experimental result has essentially shown the flattop profile, a nonnegligible level of the zeroth order diffraction peak has been found in the focused beam profile. 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. See all collocations with diffraction |
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