hei dong yan jiu
zhao zuo ; yang li ying

..............page:43-48

Patent Activity Analysis about Energy Management of Wireless Sensor Network
Zhang Xian;Gao Lidan;Zhang Meng;Ping Zhao;Tang Chuan Chengdu Branch of National Science Library of Chinese Academy of Sciences;Chengdu 610041;China.

..............page:26-36

ke xue xin wen

..............page:74

kuai zhuang jin shu bo li
wang wei hua ; yang liang bin

..............page:49-54

ban dao ti liang zi dian
jiang zui min ; zhong zhen yang ; wang dan

..............page:37-42

Comparison of China/USA Science and Technology Performance
Ronald N.Kostoff The MITRE Corporation;7515 Colshire Drive;McLean;VA 22102;United States

..............page:1-10

Trends Analysis of International Solar Materials Development
Feng Ruihua;Ma Tingcan;Wan Yong;Jiang Shan;Huang Ke;Huang Jian Wuhan branch of National Library of Science;Chinese Academy of Sciences;Wuhan 430071

..............page:11-25

ren dong wu yu zi ran de he xie fa zhan yong heng de zhu ti zhong guo ke xue yuan dong wu yan jiu suo suo chang meng an ming yuan shi fang tan
ma jian hua ; liang yan ping

..............page:55-58