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Actively Promoting Regional Space Cooperation——Vice Administrator, Loan Enjie headed a delegation to attend the Second Asia-Pacific Conference on Multilateral Cooperation in Space Technology and Applications
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作者 Zhang Lihui 《Aerospace China》 1995年第1期14-15,共2页
A Chinese delegation of 24 persons headed by Mr. Luan Enjie, Vice Administrator of China National Space Administration (CNSA) attended the Second Asia-Pacific Conference on Multilateral Cooperation in Space Technology... A Chinese delegation of 24 persons headed by Mr. Luan Enjie, Vice Administrator of China National Space Administration (CNSA) attended the Second Asia-Pacific Conference on Multilateral Cooperation in Space Technology and Applications held at Islamabad, the Capital of Pakistan from April 22 to 26, 1995. Following the First AsiaPacific Workshop held in Beijing in December, 1992, and the First Asia-Pacific Conference on Multilateral Cooperation in 展开更多
关键词 Asia Loan Enjie headed a delegation to attend the Second Asia-Pacific Conference on Multilateral cooperation in Space Technology and Applications Vice Administrator actively Promoting Regional Space cooperation
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Active control of interior noise within an irregular enclosure under the cooperation of point force and Incident wave
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作者 GENG Houcai RAO Zhushi HAN Zushun ZHANG Hualiang(1 Shanghai Jiao Tong University Shanghai 200030)(2 Jiangnan Shipgard (Group) Co. Ltd. Shanghai 200030)Received Jan. 3, 2001Revised Apr. 5, 2001 《Chinese Journal of Acoustics》 2002年第4期352-359,共8页
A new modeling method is developed for the active control of interior noise within an irregular three-dimensional cavity under the cooperation of point force and incident wave. The validity of this method is verified ... A new modeling method is developed for the active control of interior noise within an irregular three-dimensional cavity under the cooperation of point force and incident wave. The validity of this method is verified by a regular cuboid enclosure. With global and local performance functions, good results are obtained in the active control of noise within the irregular enclosure according to numerical investigations. 展开更多
关键词 In active control of interior noise within an irregular enclosure under the cooperation of point force and Incident wave mode
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