讨好美人
发表于 2025-3-23 13:47:06
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有常识
发表于 2025-3-23 15:56:49
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骄傲
发表于 2025-3-23 18:16:56
Methods of Measuring Particle Size Distribution, The minimum radius of the particles which may be investigated by optical microscopy is 0.1 ., and by electronic microscopy is 3 × 10. .. In Kouzov (1971) it is pointed out that all methods based on sampling from gaseous media have a number of shortcomings in common. Sampling may be attended by the
衍生
发表于 2025-3-24 01:59:57
Measuring Instruments and Data Processing for the Determination of Particle Size Distribution,a 630 mm lens a range from 12 μm to 1182 μm. For measuring in high ambient lighting where parasitic effects may be significant, the photodetector can be protected by a red filter (for an He-Ne laser). Although it would be possible to use an interference filter to improve the signal/noise ratio, care
植物学
发表于 2025-3-24 04:27:38
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oxidant
发表于 2025-3-24 07:50:54
https://doi.org/10.1007/978-1-4757-5390-5 The minimum radius of the particles which may be investigated by optical microscopy is 0.1 ., and by electronic microscopy is 3 × 10. .. In Kouzov (1971) it is pointed out that all methods based on sampling from gaseous media have a number of shortcomings in common. Sampling may be attended by the
创新
发表于 2025-3-24 12:58:51
Health Effects of the New Labour Marketa 630 mm lens a range from 12 μm to 1182 μm. For measuring in high ambient lighting where parasitic effects may be significant, the photodetector can be protected by a red filter (for an He-Ne laser). Although it would be possible to use an interference filter to improve the signal/noise ratio, care
把…比做
发表于 2025-3-24 18:20:17
Scattering of Radiation by Particles,d to arise from reflection and refraction, and diffraction on the cross-sectional area. In the wave optics analysis the interpretation is not so simple, but the deflection process is referred to as scattering.
保存
发表于 2025-3-24 20:58:13
Radiative Transfer in Particle Clouds,lement of solid angle dΩ at the angle θ. to the normal .. The flux contained within this solid angle is simply proportional to the projected area d.cosθ. and dΩ, i.e. . where the constant . is the photometric intensity of the source with dimensions of power per unit area per unit solid angle (Wm. st
incredulity
发表于 2025-3-25 02:42:28
Methods of Measuring Particle Size Distribution,ir separation. These methods are applied to determine the distribution of particles according to mass in samples of a medium. Sieve analyses can be used to determine the dispersity of particles having a radius of greater than 20μm. The method of sedimentometry has been applied in many devices for de