| 词汇 | example_english_refractive |
| 释义 | Examples of refractiveThese 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. Here we restrict ourselves to quantify the strength of the thermal lensing and hence fit a parabola to the refractive index profiles. However, at the intensity maxima, the self-focusing effect is masked by the saturation effect of the nonlinear refractive index. These are mica flakes 0.5pm thick, 5-20pm diameter, coated with titanium dioxide to raise their refractive index. These results investigate various illustrations given for the refractive index, power threshold, and self-focusing lengths as a function of laser intensity and density. The second acoustic mode, with a phase velocity less than the thermal velocity, is found to be evanescent (refractive index purely imaginary). In the case of ducted waves, the plasma inhomogeneity is a refractive waveguide for fast magnetosonic waves. Spectacle lenses alter eye growth and the refractive status of young monkeys. The cell width increased very slowly, and the refractive index gradients decreased, but the effects were still observable many days later. Such a refractive index profile will tend to focus the pulse, preventing the natural diffraction and keeping the laser pulse confined in the channel. The beam thus creates a refractive index profile across its wavefront corresponding to its own intensity profile and focuses of its own. Such an effect competes with the usual refractive ones, and plays a crucial role in plasma diagnostics, radio-frequency heating and current drive experiments. Refractive errors were evaluated during rearing in all subjects. Consequently, the refractive index is not uniform in that region too. It is of degree 2 + 3s in the square of the refractive index if s is the number of different particle species. On all illuminated points of one pattern, the refractive index was a near-maximum, while on the other it was a near-minimum. The refractive index of each sample was determined immediately by the refractometer, and later converted to density data. Low doses of atropine had no effect on the refractive development. The difference between the lowest and highest refractive state in each bird was taken to indicate the amplitude of accommodation in that bird. Overall, the refractive and optometric conditions of the subjects were only mildly compromised, as revealed by the measurement of visual acuity, which was normal. The refractive influence on tsunami run-up of the offshore bottom topography of islands is analyzed. An identity of refractive index with that of their surroundings is probably the reason for their invisibility. In the first case, the high refractive material is eventually transformed into a hot plasma. The oil also has a higher refractive index than water, enhancing the brilliance of the shadows. The permeability can be derived from using both the refractive index and the dielectric constant. 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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