ANALYSIS OF AERODYNAMIC NOISE CHARACTERISTICS OF HIGH-SPEED TRAIN PANTOGRAPH WITH DIFFERENT INSTALLATION BASES

Analysis of Aerodynamic Noise Characteristics of High-Speed Train Pantograph with Different Installation Bases

The high-speed-train pantograph is a complex structure that consists of different rod-shaped and rectangular surfaces.Flow phenomena around the pantograph are complicated and can cause a large proportion of aerodynamic noise, which is one of the main aerodynamic noise sources of a high-speed train.Therefore, better understanding of aerodynamic nois

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C. elegans outside the Petri dish

The roundworm Caenorhabditis elegans has risen to the Training status of a top model organism for biological research in the last fifty years.Among laboratory animals, this tiny nematode is one of the simplest and easiest organisms to handle.And its life outside the laboratory is beginning to be unveiled.Like other model organisms, C.elegans has a

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