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浏览/检索结果: 共56条，第1-10条 帮助 限定条件 发表日期：2012    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 Nature of the Firm: Origin 期刊论文 2012, 2012 R. H. Coase 收藏  |  浏览/下载：1/0  |  提交时间：2017/06/16 Firm   Origin of Division of Labor and Stochastic Mechanism of Differentiation 期刊论文 2012, 2012 Ping Chen 收藏  |  浏览/下载：2/0  |  提交时间：2017/06/16 Information diffusion  learning  competition  behavior  division of labor  bifurcation   Coase Fantasy of Zero Transaction Costs And Asymmetric Bargaining in Social Conflicts 期刊论文 2012, 2012 Ping Chen 收藏  |  浏览/下载：5/0  |  提交时间：2017/06/16 transaction costs  Coase Theorem  symmetry principle  symmetry breaking  asymmetric compensation   生态旅游概念的发展及其在中国的应用 期刊论文 http://epub.edu.cnki.net/grid2008/brief/detailj.aspx?filename=STXZ200103013&dbname=CJFQ2001, 2012, 2012 金波; 王如渊; 蔡运龙 收藏  |  浏览/下载：1/0  |  提交时间：2017/06/16 ecotourism  origin  concept  application.   TOPOGRAPHY-CONTROLLED SOIL WATER CONTENT AND THE COEXISTENCE OF FOREST AND STEPPE IN NORTHERN CHINA 期刊论文 physical geography, 2012 Liu, Hongyan; He, Siyuan; Anenkhonov, Oleg A.; Hu, Guozheng; Sandanov, Denis V.; Badmaeva, Natalia K. 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/13 forest-steppe  ecotone  topography  East Asian steppe  soil moisture  slope aspect  VEGETATION  AMERICA  TAIGA  DETERMINANTS  TRANSITION  MOUNTAINS  ECOTONE  ORIGIN   Post-entrainment mineral-magma interaction in mantle xenoliths from inner Mongolia, western North China craton 期刊论文 journal of earth science, 2012 Wang, Yamei; Han, Baofu; Griffin, William L.; Zhang, Lei; Shu, Guiming 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/10 mantle xenolith  interaction  spongy rim  sieve-textured rim  reaction rim  SPINEL-PERIDOTITE XENOLITHS  JINING CENOZOIC-BASALTS  EARTHS UPPER-MANTLE  SINO-KOREAN CRATON  ULTRAMAFIC XENOLITHS  EASTERN CHINA  LITHOSPHERE BENEATH  OXYGEN FUGACITY  MELT REACTION  CANARY-ISLANDS   Petrology of HP metamorphic veins in coesite-bearing eclogite from western Tianshan, China: Fluid processes and elemental mobility during exhumation in a cold subduction zone 期刊论文 lithos, 2012 Lu, Zeng; Zhang, Lifei; Du, Jinxue; Yang, Xin; Tian, Zuolin; Xia, Bin 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/10 Coesite-bearing eclogite  HP vein  Retrograde fluid  Element mobility  Chinese western Tianshan  ULTRAHIGH-PRESSURE METAMORPHISM  P-T PATH  NW-CHINA  ROCK INTERACTION  TRACE-ELEMENT  TECTONIC IMPLICATIONS  QUARTZ-VEIN  2.0 GPA  SOUTHWESTERN TIANSHAN  NORTHWESTERN CHINA   Three head-larvae of Hesslandona angustata (Phosphatocopida, Crustacea) from the Upper Cambrian of western Hunan, South China and the phylogeny of Crustacea 其他 2012-01-01 Zhang, Huaqiao; Dong, Xi-ping; Xiao, Shuhai 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/10 &apos  Phosphatocopida  Ontogeny  Phylogeny  Upper Cambrian  South China  PRESERVED SOFT PARTS  ORSTEN-TYPE PRESERVATION  STEM-LINEAGE CRUSTACEAN  3-DIMENSIONAL PRESERVATION  OELANDOCARIS-OELANDICA  BRADORIID ARTHROPODS  NEURAL CLADISTICS  MIDDLE  KUNMINGELLA  APPENDAGES  Orsten&apos  -type   Ore-forming conditions and genesis of the Huogeqi Cu-Pb-Zn-Fe deposit in the northern margin of the North China Craton: Evidence from ore petrologic characteristics 期刊论文 ore geology reviews, 2012 Zhong, Richen; Li, Wenbo; Chen, Yanjing; Huo, Hongliang 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/10 Copper-Lead-Zinc-Iron ores  Base metals  Ore fabrics  Mineral paragenesis  Epigenetic hydrothermal deposition  North China Craton  GOLD DEPOSITS  INNER-MONGOLIA  MINERALIZATION  CONSTRAINTS  SYSTEMATICS  EVOLUTION  MINERALS  ISOTOPE  QUARTZ  OXYGEN   Detrital quartz and quartz cement in Upper Triassic reservoir sandstones of the Sichuan basin: Characteristics and mechanisms of formation based on cathodoluminescence and electron backscatter diffraction analysis 期刊论文 sedimentary geology, 2012 Zhang, Bo; Zhang, Jinjiang; Yan, Shuyu; Gu, Zhidong; Wang, Xiaoxian 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/10 Sandstone  Detrital grains  Quartz cement  Dauphine twins  Electron backscatter diffraction (EBSD)  HYDROGEN-SULFIDE  GAS-FIELD  SW CHINA  ORIGIN  ORIENTATION  COMPACTION  SEM  TEMPERATURE  POROSITY  STRESS