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北京大学 [321]

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期刊论文 [306]

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浏览/检索结果: 共321条，第1-10条

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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

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	Little change in heat requirement for vegetation green-up on the Tibetan Plateau over the warming period of 1998-2012 期刊论文 AGRICULTURAL AND FOREST METEOROLOGY, 2017 Cong, Nan; Shen, Miaogen; Piao, Shilong; Chen, Xiaoqiu; An, Shuai; Yang, Wei; Fu, Yongshuo H.; Meng, Fandong; Wang, Tao 收藏 \| 浏览/下载：110/0 \| 提交时间：2017/12/03 Alpine grassland Chilling requirement Climate change Heat requirement Spring phenology Tibetan Plateau THERMAL GROWING-SEASON SPRING PHENOLOGY HIGH-LATITUDES ALPINE PLANTS BUD BURST CLIMATE TEMPERATURE BUDBURST MODELS CARBON
	Potential CO2 emissions from defrosting permafrost soils of the Qinghai-Tibet Plateau under different scenarios of climate change in 2050 and 2070 期刊论文 CATENA, 2017 Bosch, Anna; Schmidt, Karsten; He, Jin-Sheng; Doerfer, Corina; Scholten, Thomas 收藏 \| 浏览/下载：5/0 \| 提交时间：2017/12/03 Permafrost soil Carbon Carbon dioxide Soil respiration Qinghai-Tibet Plateau Climate change scenarios CARBON RELEASE TERRESTRIAL ECOSYSTEMS ORGANIC-CARBON AUTOTROPHIC RESPIRATION HIGH ASIA TEMPERATURE DEGRADATION PRECIPITATION GRASSLANDS DYNAMICS
	Spinel and post-spinel phase assemblages in Zn2TiO4: an experimental and theoretical study 期刊论文 PHYSICS AND CHEMISTRY OF MINERALS, 2017 Zhang, Yanyao; Liu, Xi; Shieh, Sean R.; Bao, Xinjian; Xie, Tianqi; Wang, Fei; Zhang, Zhigang; Prescher, Clemens; Prakapenka, Vitali B. 收藏 \| 浏览/下载：45/0 \| 提交时间：2017/12/03 Compressibility DFT calculations Diamond-anvil cell High-P phase transition Synchrotron X-ray diffraction Zn2TiO4-CT Zn2TiO4-Sp EQUATION-OF-STATE HIGH-PRESSURE PHASE SYNTHETIC QANDILITE MG2TIO4 RAY-DIFFRACTION DATA AMBIENT-TEMPERATURE VOLUME MEASUREMENTS MGSIO3 PEROVSKITE SYSTEM ZNO-TIO2 MAGNESIUM-OXIDE TRANSITION ZONE
	Zircon U-Pb-Hf isotopic and whole-rock geochemical studies of Paleoproterozoic metasedimentary rocks in the northern segment of the Jiao-Liao-Ji Belt, China: Implications for provenance and regional tectonic evolution 期刊论文 PRECAMBRIAN RESEARCH, 2017 Meng, En; Wang, Chao-Yang; Li, Yan-Guang; Li, Zhuang; Yang, Hong; Cai, Jia; Ji, Lei; Jin, Meng-Qi 收藏 \| 浏览/下载：5/0 \| 提交时间：2017/12/03 Paleoproterozoic metasedimentary rocks North Liaohe and Laoling groups Zircon U-Pb geochronology Lu-Hf isotopes Tectonic setting Jiao-Liao-Ji Belt LA-ICP-MS ARCHEAN CRUSTAL EVOLUTION ULTRAHIGH-TEMPERATURE METAMORPHISM HIGH-PRESSURE METAMORPHISM PENNSYLVANIAN-PERMIAN AGE CRATON KEY ISSUES FUPING COMPLEX LU-HF DETRITAL ZIRCONS EASTERN BLOCK
	北祁连中段高压/低温混杂带——岩石学、地球化学和年代学证据期刊论文岩石矿物学杂志, 2017 喻星星; 张建新; 毛小红; 路增龙收藏 \| 浏览/下载：6/0 \| 提交时间：2017/12/03 北祁连高压/低温变质作用混杂岩早古生代俯冲隧道 North Qilian high pressure/low temperature metamorphism m& lange Early Paleozoic subduction channel #233
	Spin transition of ferric iron in the calcium-ferrite type aluminous phase 期刊论文 JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH, 2017 Wu, Ye; Qin, Fei; Wu, Xiang; Huang, Haijun; McCammon, Catherine A.; Yoshino, Takashi; Zhai, Shuangmeng; Xiao, Yuming; Prakapenka, Vitali B. 收藏 \| 浏览/下载：28/0 \| 提交时间：2017/12/03 EQUATION-OF-STATE SUBDUCTED BASALTIC CRUST EARTHS LOWER MANTLE MID-LOWER MANTLE HIGH-PRESSURE OCEANIC-CRUST CHEMICAL HETEROGENEITY SEISMIC SCATTERERS HIGH-TEMPERATURE STISHOVITE
	Phase transitions and thermal expansion of BaCO3 and SrCO3 up to 1413K 期刊论文 EUROPEAN JOURNAL OF MINERALOGY, 2017 Nie, Shufang; Liu, Yang; Liu, Qiong; Wang, Meili; Wang, Hejin 收藏 \| 浏览/下载：5/0 \| 提交时间：2017/12/03 BaCO3 SrCO3 high temperature X-ray diffraction phase transition thermal expansion carbonates. X-RAY-DIFFRACTION HIGH-PRESSURE PHASES STRONTIUM CARBONATE CRYSTAL-STRUCTURES LOWER MANTLE INTERATOMIC DISTANCES DIAMOND FORMATION IN-SITU ARAGONITE TEMPERATURE
	Ultrahigh temperature (UHT) mafic granulites in the East Hebei, North China Craton: Constraints from a comparison between temperatures derived from REE-based thermometers and major element-based thermometers 期刊论文 GONDWANA RESEARCH, 2017 Yang, Chuan; Wei, Chunjing 收藏 \| 浏览/下载：6/0 \| 提交时间：2017/12/03 REE-based thermometer Ultrahigh-temperature metamorphism Mafic granulite North China Craton HIGH-PRESSURE GRANULITES P-T PATH U-PB TECTONIC IMPLICATIONS CAOZHUANG QUARTZITE WESTERN-AUSTRALIA PHASE-EQUILIBRIA HF ISOTOPES GEOCHEMISTRY EVOLUTION
	高温改性锌铁尖晶石的晶体化学与磁性研究期刊论文岩石矿物学杂志, 2017 黎晏彰; 李艳; 丁聪; 鲁安怀; 丁竑瑞; 姜政收藏 \| 浏览/下载：8/0 \| 提交时间：2017/12/03 高温锌铁尖晶石阳离子配位磁性粒径 high temperature franklinite cation site occupancy magnetism particle size
	钨酸钠与天然土状石墨在高温氩气氛围中的转化过程期刊论文北京大学学报自然科学版, 2017 魏霖荫; 传秀云; 黄杜斌; 苏双青; 金时运收藏 \| 浏览/下载：6/0 \| 提交时间：2017/12/03 石墨高温处理 X射线衍射(XRD) 扫描电子显微镜(SEM) 电子能谱(EDS) Na2WO4 WC graphite sodium tungstate tungsten carbide high-temperature treatment XRD SEM EDS

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