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中文期刊 (16223 )
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computers and electronics in agriculture (238)
spectroscopy and spectral analysis (208)
frontiers in plant science (207)
agronomy-basel (130)
agriculture-basel (129)
scientific reports (116)
remote sensing (113)
food chemistry (112)
international journal of molecular sciences (95)
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natl engn res ctr informat technol agr, beijing 100097, peoples r china (529)
beijing acad agr & forestry sci, inst plant & environm protect, beijing 100097, peoples r china (288)
beijing res ctr informat technol agr, beijing 100097, peoples r china (250)
beijing acad agr & forestry sci, informat technol res ctr, beijing 100097, peoples r china (213)
beijing acad agr & forestry sci, intelligent equipment res ctr, beijing 100097, peoples r china (206)
beijing acad agr & forestry sci, beijing res ctr informat technol agr, beijing 100097, peoples r china (180)
beijing acad agr & forestry sci, inst forestry & pomol, beijing 100093, peoples r china (143)
beijing acad agr & forestry sci, inst anim husb & vet med, beijing 100097, peoples r china (135)
beijing acad agr & forestry sci, inst plant nutr resources & environm, beijing 100097, peoples r china (127)
beijing res ctr intelligent equipment agr, beijing 100097, peoples r china (127)

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资源类型: 外文期刊

共7336条记录

Application of a support vector machine to HACCP in the animal meat industry

Wang Kaiyi; Zhao Chunjiang; Zhang Fang Tian; Wang Xiao Juan; Chen Hong; Yao Yuan Fang; Wang Kaiyi; SCI

机构： Natl Engn Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China; Beijing Univ Technol, Beijing 100022, Peoples R China;

来源：NEW ZEALAND JOURNAL OF AGRICULTURAL RESEARCH年份：2007

关键词： critical control point (CCP); HACCP; hazard analysis; kernel function; support vector machine (SVM)

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Compound support vector machines method with application in spc.tral analysis

An Xin; Su Shi-Guang; Wang Tao; Xu Shuo; Huang Wen-jiang; Zhang Lu-Da; SCI

机构： China Agr Univ, Coll Sci, Beijing 100094, Peoples R China; China Agr Univ, Coll Sci, Beijing 100094, Peoples R China; Beijing Agr Informat Technol Res Ctr, Beijing 100089, Peoples R China;

来源：SPECTROSCOPY AND SPECTRAL ANALYSIS年份：2007

关键词： compound support vector machines(CSVM); hyperspectrum; regression model; leaf nitrogen content

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Using hyperspectral indices to estimate foliar chlorophyll a concentrations of winter wheat under yellow rust stress

Li Jing; Jiang Jinbao; Chen Yunhao; Wang Yuanyuan; Li Jing; Chen Yunhao; Su Wei; Huang Wenjiang; SCI

机构： Beijing Normal Univ, Coll Resources Sci & Technol, Beijing 100875, Peoples R China; Beijing Normal Univ, State Key Lab Earth Surface Proc & Resource Ecol, Beijing 100875, Peoples R China; China Agr Univ, Coll Informat & Elect Engn, Beijing 100083, Peoples R China; Natl Engn Res Ctr Informat Technol Agr, Beijing 100089, Peoples R China;

来源：NEW ZEALAND JOURNAL OF AGRICULTURAL RESEARCH年份：2007

关键词： chlorophyll a; estimation models; hyperspectral; wheat; yellow rust stress

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Early warning model for cucumber downy mildew in unheated greenhouses

Yang, Xinting; Yang, Xinting; Li, Ming; Zhao, Chunhang; Zhang, Zheng; Hou, Yanlin; SCI

机构： Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Beijing 100085, Peoples R China; Natl Engn Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China; Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China;

来源：NEW ZEALAND JOURNAL OF AGRICULTURAL RESEARCH年份：2007

关键词： cucumber downy mildew; early warning model; greenhouse; good agricultural practice (GAP); risk analysis

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A traceability system for beef products based on radio frequency identification technology in China

Sun, Chuanheng; Ji, Zengtao; Yang, Xinting; Han, Xiao; Wang, Zhiling; SCI

机构： Natl Engn Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China; Beijing Acad Agr & Foresty Sci, Beijing 100097, Peoples R China;

来源：NEW ZEALAND JOURNAL OF AGRICULTURAL RESEARCH年份：2007

关键词： AIDC; beef; radio frequency identification (RFID); traceability

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A method for canopy water content estimation for highly vegetated surfaces-shortwave infrared perpendicular water stress index

Ghulam, Abduwasit; Li Zhao-Liang; Qin QiMing; Tong QingXi; Wang JiHua; Kasimu, Alimujiang; Zhu Lin; SCI

机构： Peking Univ, Inst Remote Sensing, GIS, Beijing 100871, Peoples R China; Peking Univ, Inst Remote Sensing, GIS, Beijing 100871, Peoples R China; Lab Sci Image Informat Teledetect, UMR7005, F-67400 Illkirch Graffenstaden, France; Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China; St Louis Univ, Ctr Environm Sci, St Louis, MO 63103 USA; Natl Engn Res Ctr Informat Technol Agr, Beijing 100089, Peoples R China; Chiba Univ, Ctr Environm Remote Sensing, Chiba 263, Japan;

来源：SCIENCE IN CHINA SERIES D-EARTH SCIENCES年份：2007

关键词： leaf water content; shortwave infrared perpendicular water stress index (SPSI); remote estimation of vegetation water content

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Cloning and characterization of the EIN2-homology gene LeEIN2 from tomato

Wang, Jia; Chen, Guoping; Hu, Zongli; Chen, Xuqing; SCI

机构： Chongqing Univ, Bioengn Coll, Chongqing 400044, Peoples R China; Chongqing Univ, Bioengn Coll, Chongqing 400044, Peoples R China; Beijing Res Ctr Agrobiotechnol, Beijing 100089, Peoples R China;

来源：DNA SEQUENCE年份：2007

关键词： tomato; ethylene; Le EIN2; signal transduction

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Identification of yellow rust in wheat using in-situ spectral reflectance measurements and airborne hyperspectral imaging

Huang, Wenjiang; Lamb, David W.; Niu, Zheng; Zhang, Yongjiang; Liu, Liangyun; Wang, Jihua; SCI

机构： Univ New England, Sch Sci & Technol, Precis Agr Res Grp, Armidale, NSW 2351, Australia; Univ New England, Sch Sci & Technol, Precis Agr Res Grp, Armidale, NSW 2351, Australia; Beijing Normal Univ, Chinese Acad Sci, Inst Remote Sensing Applicat, State Key Lab Remote Sensing Sci, Beijing 100101, Peoples R China; Natl Engn Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China;

来源：PRECISION AGRICULTURE年份：2007

关键词： winter wheat; disease index (DI); canopy reflectance; remote sensing; pushbroom hyperspectral imaging spectrometer (PHI); photochemical reflectance index (PRI)

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Monitoring and analysis of electrical signals in water-stressed plants

Wang, Cheng; Huang, Lan; Wang, Zhong-Yi; Wang, Cheng; Wang, Zhong-Yi; SCI

机构： China Agr Univ, Coll Informat & Elect Engn, Beijing 100083, Peoples R China; Natl Engn Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China;

来源：NEW ZEALAND JOURNAL OF AGRICULTURAL RESEARCH年份：2007

关键词： electrical signals; cucumber plants; bioelectrode; monitoring system; greenhouse; water stress

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Culture and fusion of pollen protoplasts of Brassica oleracea L. var. italica with haploid mesophyll protoplasts of B-rapa L. ssp pekinensis

Liu, Fan; Ryschka, U.; Marthe, F.; Klocke, E.; Schumann, G.; Zhao, H.; SCI

机构： Fed Ctr Breeding Res Cultivated Plants, Inst Hort Crops, D-06484 Quedlinburg, Germany; Fed Ctr Breeding Res Cultivated Plants, Inst Hort Crops, D-06484 Quedlinburg, Germany; Beijing Vegetable Res Ctr, Beijing, Peoples R China;

来源：PROTOPLASMA年份：2007

关键词： pollen protoplast; haploid mesophyll protoplast; fusion; hybrid callus; Brassica oleracea; Brassica rapa

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