FIR 发表于 2025-3-25 05:17:22
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Advantages of UV Lasers in Laser and Phase Doppler Anemometers for Submicrometer Particles and 280nm are compared with lasers emitting visible radiation. UV lasers offer a main advantage in the higher signal-to-noise ratio (SNR) obtainable, since the scattered power is significantly increased at shorter wavelengths. Furthermore, for PDA the capability of making size class distinctions inexpansive 发表于 2025-3-25 15:49:49
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A Study on Aerodynamic Interference for Truss Braced Wing Configuration,endow the structure with better stiffness and strength, which enables a wing with larger aspect-ratio, thinner thickness and smaller swept angle, and even equipped with laminar flow airfoil. Theoretically, TBW configuration has the advantage of higher lift-to-drag ratio. However, one of potential prAerophagia 发表于 2025-3-26 01:50:43
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Analysing Labour Productivity in Ecuador,was substantial during the crisis, but its growth was secondary in the post crisis recovery. Firm entry and exit only had minor impacts on labour productivity. Our distributional analysis further showed that labour productivity distribution increased in 2000–2002 and had remained at higher level for the rest of the sample period.Judicious 发表于 2025-3-26 20:30:15
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