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浏览/检索结果: 共75条，第1-10条 帮助 限定条件 发表日期：2014    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 The effects of simulated nitrogen deposition on extracellular enzyme activities of litter and soil among different-aged stands of larch 期刊论文 journal of plant ecology, 2014 Ma, Yuecun; Zhu, Biao; Sun, Zhenzhong; Zhao, Chuang; Yang, Yan; Piao, Shilong 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/13 glucosidase  cellobiohydrolase  glucosaminidase  phenol oxidase  Larix plantation  NORTHERN HARDWOOD FORESTS  ORGANIC-MATTER  MICROBIAL BIOMASS  CARBON  DECOMPOSITION  RESPONSES  CHINA  CHRONOSEQUENCE  ECOSYSTEMS  DYNAMICS   Estimating sedimentary and crustal structure using wavefield continuation: theory, techniques and applications 期刊论文 geophysical journal international, 2014 Tao, Kai; Liu, Tianze; Ning, Jieyuan; Niu, Fenglin 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/16 Body waves  Site effects  Computational seismology  Wave propagation  TELESEISMIC RECEIVER FUNCTIONS  REFLECTION  BENEATH   Comparison of accuracy and stability of estimating winter wheat chlorophyll content based on spectral indices 其他 2014-01-01 Hai-Ling, Jiang; Li-Fu, Zhang; Hang, Yang; Xiao-Ping, Chen; Shu-Dong, Wang; Xue-Ke, Li; Kai, Liu 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 Two inverse processes: Spectral reconstruction and pixel unmixing 其他 2014-01-01 Yan, Lei; Liu, Sui-Hua; Liu, Hui-Li; Jing, Xin; Cheng, Chengqi; Wang, Hong 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/13 Coexistence of garnet blueschist and eclogite in South Tianshan, NW China: dependence of P-T evolution and bulk-rock composition 期刊论文 journal of metamorphic geology, 2014 Tian, Z. L.; Wei, C. J. 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/10 eclogite  garnet blueschist  pseudosection  South Tianshan  CALCULATED PHASE-EQUILIBRIA  TRACE-ELEMENT MOBILIZATION  GREENSCHIST-FACIES ROCKS  COESITE-BEARING ECLOGITE  WESTERN TIANSHAN  SOUTHWESTERN TIANSHAN  MINERAL EQUILIBRIA  METAMORPHIC EVOLUTION  TECTONIC IMPLICATIONS  ISOPLETH THERMOBAROMETRY   Analyzing topological changes for structural shape simplification 期刊论文 journal of visual languages and computing, 2014 Du, Shihong 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/10 GIS  Topological relations  Shape decomposition  Shape simplification  Topological changes  VECTOR MAP DATA  CONSISTENCY  DATABASES  REPRESENTATION  TRANSMISSION  WEB   Dynamic monitoring of coalbed methane reservoirs using Super-Low Frequency electromagnetic prospecting 期刊论文 international journal of coal geology, 2014 Wang, Nan; Qin, Qiming; Chen, Li; Bai, Yanbing; Zhao, Shanshan; Zhang, Chengye 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/10 Coalbed methane  Dynamic monitoring  Super-Low Frequency  Empirical mode decomposition  Magnetotelluric (MT)  Electromagnetic radiation (EMR)  JHARIA COALFIELD  BED METHANE  GAS CONTENT  RADIATION  FRACTURE  ROCK  EXPLORATION  BASIN  INDIA  ORIENTATION   The effect of Fe on the stability of dolomite at high pressure: Experimental study and petrological observation in eclogite from southwestern Tianshan, China 期刊论文 geochimica et cosmochimica acta, 2014 Tao, Renbiao; Zhang, Lifei; Fei, Yingwei; Liu, Qiong 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/10 ARAGONITE PLUS MAGNESITE  CARBONATE-BEARING ECLOGITE  ZERMATT-SAAS ZONE  ULTRAHIGH-PRESSURE  WESTERN TIANSHAN  X-RAY  SYSTEM CACO3-MGCO3-FECO3  HYDROTHERMAL ALTERATION  METAMORPHIC ROCKS  PHASE-EQUILIBRIA   Structural characteristics, dispersion, and modification of fibrous brucite 期刊论文 international journal of minerals metallurgy and materials, 2014 Cao, Xi; Chuan, Xiu-yun 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/10 fibrous brucite  dispersion  nanofibers  surface treatment  modification  THERMAL-DECOMPOSITION  MAGNESIUM-HYDROXIDE  MESOPOROUS SILICA  STEARIC-ACID  COMPOSITES  KAOLINITE  MECHANISM   A discrete Helmholtz decomposition with Morley finite element functions and the optimality of adaptive finite element schemes 其他 2014-01-01 Carstensen, Carsten; Gallistl, Dietmar; Hu, Jun 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/11 Discrete Helmholtz decomposition  Morley element  Kirchhoff-Love plate problem  Optimality  PLATE-BENDING PROBLEMS  BOUNDARY-CONDITIONS  ERROR ANALYSIS  CONVERGENCE  EQUATIONS