Abstract: Photoelectric autocollimator is a kind of small angle measuring instrument of high accuracy. For the increasing demand of the measurement accuracy, each link to affect the precision of ...
Abstract: Specifications for the waveguide (including aperture dimensions, frequency range, cutoff frequency, etc.) are given in this standard. This standard considers the tolerances of the waveguide ...
摘要: In solar chimneys, heat released by the absorber plate warms the air, enabling natural ventilation driven by thermal buoyancy. However, such systems are often prone to reverse flow phenomena, ...
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