Comparison and Analysis of Data Assimilation Algorithms for Predicting the Leaf Area Index of Crop Canopies

Dong, Yingying; Wang, Jihua; Wang, Huifang; Li, Cunjun; Yang, Guijun; Wang, Qian; Liu, Feng; Zhao, Jinling; Huang, Wenjiang; Huang, Wenjiang; SCI

机构： Zhejiang Univ, Inst Agr Remote Sensing & Informat Syst Applicat, Hangzhou 310003, Zhejiang, Peoples R China; Beijing Res Ctr Informat Technol Agr, Beijing, Peoples R China; Beijing Res Ctr Informat Technol Agr, Remote Sensing Technol Dept, Beijing, Peoples R China;

关键词： Data assimilation Ensemble Kalman Filtering (EnKF) Four Dimensional Variational Data Assimilation (4DVAR) Leaf Area Index (LAI) Very Fast Stimulated Annealing (VFSA)

 全文链接 请求原文

An Improved Vector Space Model to Retrieval Systems for Content Matching in Agricultural Information

Luan, RuPeng; Zhang, Qian; Zhang, JunFeng; Yu, Feng; Lu, TianGang; SCI

机构： Beijing Acad Agr & Forestry Sci, Inst Agr Scientech Informat, Beijing 100097, Peoples R China; Informat Ctr Beijing Municipal Bureau Agr, Beijing 100097, Peoples R China;

关键词： VSM agricultural information service question-answer system

 全文链接 请求原文

INVERSION OF PADDY LEAF AREA INDEX USING BEER-LAMBERT LAW AND HJ-1/2 CCD IMAGE

Gu, Xiaohe; Zhang, Jingcheng; Yang, Guijun; Song, Xiaoyu; Zhao, Jinling; Cui, Bei; SCI

机构： Beijing Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China;

关键词： LAI Beer-Lambert Law Extinction Coefficient HJ-1/2 CCD Paddy

 全文链接 请求原文

Research on the eco-purification function of urban forests in Beijing

Li, Shaoning; Lu, Shaowei; Pan, Qinghua; Zhang, Yuping; Chen, Bo; Yang, Xinbing; SCI

机构： Beijing Acad Agr & Forestry Sci, Forestry & Pomol Inst, Beijing 100093, Peoples R China; Agr Univ Hebei, Coll Forest, Baoding 071000, Hebei, Peoples R China;

关键词： Urban forest eco-purification function negative air ion absorb and sequester pollutants reduce noise sequester dust

 全文链接 请求原文

Nitrate removal from groundwater using solid-phase denitrification process without inoculating with external microorganisms

Wang, X. M.; Wang, J. L.; SCI

机构： Beijing Acad Agr & Forestry Sci, Dept Microbial Biotechnol, Beijing Agrobiotechnol Res Ctr, Beijing 100097, Peoples R China; Tsinghua Univ, Lab Environm Technol, Inst Nucl & New Energy Technol INET, Beijing 100084, Peoples R China;

关键词： Biofilm support Carbon source Denitrification rate Hydraulic retention time

 全文链接 请求原文

Identification of the Causative Gene for Simmental Arachnomelia Syndrome Using a Network-Based Disease Gene Prioritization Approach

Jiao, Shihui; Wang, Yachun; Liu, Xuan; Yu, Ying; Zhang, Yuan; Chu, Qin; Xie, Zhenquan; Hou, Shiyu; Wu, Hongjun; Liu, Airong; Liu, Lin; Geng, Fanjun; Wang, Congyong; Qin, Chunhua; Tan, Rui; Huang, Xixia; Tan, Shixin; Wu, Meng; Xu, Xianzhou; SCI

机构： China Agr Univ, Coll Anim Sci & Technol, Natl Engn Lab Anim Breeding, Key Lab Agr Anim & Breeding, Beijing 100094, Peoples R China; Beijing Acad Agr & Forestry Sci, Inst Anim Husb & Vet Med, Beijing, Peoples R China; Anshan Hengli Dairy Farm, Anshan, Liaoning, Peoples R China; Hailaer Farm Buro, Xiertala Breeding Farm, Hailaer, Inner Mongolia, Peoples R China; Hailaer Farm Buro, Hailaer, Inner Mongolia, Peoples R China; Beijing Dai;

 全文链接 请求原文

Application research on enhancing near-infrared micro-imaging quality by 2nd derivative

Wang Dong; Ma Zhi-hong; Zhao Liu; Wang Bei-hong; Han Ping; Pan Li-gang; Wang Ji-hua; SCI

机构： Beijing Res Ctr Agri Food Testing & Farmland Moni, Beijing 100097, Peoples R China;

关键词： Near-infrared micro-imaging Compare correlation imaging 2nd derivative Wheat flour Formaldehyde sodium sulfoxylate

 全文链接 请求原文

The Design of Pigeonry Environment Monitoring System Based on ZigBee

Wang, Xiaofang; Zhou, Jianjun; Wang, Xiu; Wang, Xiaofang; Wu, Pinghui; SCI

机构： Beijing Acad Agr & Forestry Sci, Beijing Res Ctr Intelligent Equipment Agr, Beijing 100097, Peoples R China; Hebei Univ Technol, Sch Informat Engn, Tianjin 300401, Peoples R China;

关键词： ZigBee Acquisition Controller Environmental Monitoring Software SQL Server Remote Control

 全文链接 请求原文

Research on the Classified Training Model of Peasants Distance Education

Chen, Lei; Zhang, Xiaojing; SCI

机构： Beijing Acad Agr & Forestry Sci, Inst Informat Sci & Technol Agr, Beijing, Peoples R China;

关键词： classified training distance education peasants training model

 全文链接 请求原文

The research of distance learning video living and video on demand based on wireless mobile network

Zhao, Ji-chun; SCI

机构： Beijing Acad Agr & Forestry Sci, Inst Informat Sci & Technol Agr, Beijing, Peoples R China;

关键词： distance learning video living video on demand wireless network

 全文链接 请求原文