1. Bai S L, Fan W Q, Wang M Z, 2007. Mine equipment noise and hypertension-related investigation and research. Theory and Practice of Chinese Medicine, 17(1): 115–116.
2. Berkhoff A P, 2002. Broadband radiation modes: estimation and active control. J. Acoust. Soc. Am., 92(4): 1 998–2 005.
3. Borgiotti G V, 1990. The power radiated by a vibrating bodyi-nan acoustic fluid and its determination from boundary measurements. J. Acoust. Soc. Am., 88(4): 1 884–1 893.
4. Cao Y, Zhou Z, Wen D, 2007. Affect coal miners’ factor of psychological sense of security and upgrading strategies in Hunan. World of Entrepreneurs, (3): 125–128.
5. Ericson L, Palmberg J O, 2007. The source admittance method for pumps with complex outlet channels. In: Proceedings of the 10th International Conference on Fluid Power. SICFP’07, Tampere, Finland, 21–23: 279–293.