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浏览/检索结果: 共4条，第1-4条 帮助 限定条件 专题：北京大学    第一署名单位    第一作者单位    通讯作者单位     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Emerging opportunities and challenges in phenology: a review 期刊论文 ECOSPHERE, 2016 Tang, Jianwu; Korner, Christian; Muraoka, Hiroyuki; Piao, Shilong; Shen, Miaogen; Thackeray, Stephen J.; Yang, Xi 收藏  |  浏览/下载：6/0  |  提交时间：2017/12/03 cameras  greenness  ILTER  modeling  phenology  scale  Special Feature: International LTER  DECIDUOUS BROADLEAF FOREST  TERRESTRIAL CHLOROPHYLL FLUORESCENCE  GROSS PRIMARY PRODUCTION  SPECTRAL VEGETATION INDEXES  DIGITAL CAMERA IMAGES  LIGHT-USE EFFICIENCY  LEAF-AREA INDEX  CLIMATE-CHANGE  GREEN-UP  INTERANNUAL VARIATIONS   A further understanding of the cation exchange mechanism for the extraction of Sr2+ and Cs+ by ionic liquid 期刊论文 science china chemistry, 2013 Sun TaoXiang; Shen XingHai; Chen QingDe 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/10 ionic liquids  extraction  cation exchange  Sr2+  Cs+  AQUEOUS-SOLUTIONS  MUTUAL SOLUBILITIES  CROWN-ETHERS  STRUCTURAL VARIATIONS  SOLVENT-EXTRACTION  METAL-ION  WATER  EQUILIBRIA  GREENNESS  SALTS   Influence of gamma-radiation on the ionic liquid [C(4)mim][PF(6)] during extraction of strontium ions 期刊论文 dalton transactions, 2008 Yuan, Liyong; Peng, Jing; Xu, Ling; Zhai, Maolin; Li, Jiuqiang; Wei, Genshuan 收藏  |  浏览/下载：1/0  |  提交时间：2015/11/10 1-BUTYL-3-METHYLIMIDAZOLIUM HEXAFLUOROPHOSPHATE  SOLVENT-EXTRACTION  CROWN-ETHERS  CHEMISTRY  GREENNESS   Simplified desertification monitoring approach based on K-TTCT: a case study in Guyuan county, Heibei province, China - art. no. 67900E 其他 2007-01-01 Cao, Bao; Qin, Qiming; Zhu, Lin; Li, Baishou 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/13 desertification monitoring  desertification assessment  brightness  greenness  n-Dimension visualization  K-TTCT  TIME  EFFICIENCIES  DEGRADATION  VEGETATION