Identification and quality evaluation of Lepidium meyenii. (Maca) based on gas chromatographic analysis of its essential oils from roots
Jin Wenwen; Xiong Yue; and Yu Longjiang Institute of Resource Biology and Biotechnology; College of Life Science and Technology; Huazhong University of Science and Technology; Wuhan 430074; China

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irri/adb project on hybrid rice
Peng Jiming China National Hybrid Rice Research and Development Center; Changsha 410125; China

..............page:23-24

Sea water temperature auto-monitoring system based on general packet radio service (GPRS)
Zhang Wenxiao; Gao Guodong; and Mu Guanyu Mechanical Engineering College; Dalian Aquatic Science College; Dalian 116023;China

..............page:13-18

on the further development of marine ecotourism in qingdao
Bai He; and Dong Ruizhi Department of Literal Humaniores and Social Science; China University of Petroleum; Qingdao 266555; China

..............page:19-22

tou gao xu zhi

..............page:2

Effect of Cumian No.1 on anti-immunity stress of chickens
Wen Lixin; Ding Xiaobo; and Yuan Hui College of Veterinary; Hunan Agricultural University; Changsha; 410128; China

..............page:10-12