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浏览/检索结果: 共38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 Paleo-environment and paleo-diet inferred from Early Bronze Age cow dung at Xiaohe Cemetery, Xinjiang, NW China 期刊论文 quaternary international, 2014 Qiu, Zhenwei; Yang, Yimin; Shang, Xue; Li, Wenying; Abuduresule, Yidilisi; Hu, Xingjun; Pan, Yan; Ferguson, David K.; Hu, Yaowu; Wang, Changsui; Jiang, Hongen 收藏  |  浏览/下载：6/0  |  提交时间：2015/11/11 Cow dung  Xiaohe Cemetery  Macrofossils  Microfossils  Environment  Diet  LAKE-SHORE SETTLEMENT  FOSSIL HYRAX DUNG  SOUTHERN-AFRICA  YANGHAI TOMBS  PLANT MACROFOSSILS  GOAT/SHEEP FECES  DENTAL MICROWEAR  POLLEN ANALYSIS  PHYTOLITHS  BP   Raman spectra of Sr-3(PO4)(2) and Ba-3(PO4)(2) orthophosphates at various temperatures 期刊论文 vibrational spectroscopy, 2014 Zhai, Shuangmeng; Lin, Chung-Cherng; Xue, Weihong 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/10 Sr-3(PO4)(2)  Ba-3(PO4)(2)  High-temperature  Raman spectra  TIN-ACTIVATED LUMINESCENCE  PHASE EQUILIBRIA  EARTH IONS  0-LESS-THAN-OR-EQUAL-TO-X-LESS-THAN-OR-EQUAL-TO-3  VIBRATIONS  PRESSURES   Distorted Mix Method for constructing copulas with tail dependence 其他 2014-01-01 Li, Lujun; Yuen, K. C.; Yang, Jingping 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/12 Copula  Distorted Mix Method  Distortion function  Tail dependence coefficient  Tail dependence function  ORDER-STATISTICS  MULTIVARIATE  BOUNDS  MODELS  RISK   Selective hydrogenolysis of biomass-derived xylitol to ethylene glycol and propylene glycol on Ni/C and basic oxide-promoted Ni/C catalysts 期刊论文 catalysis today, 2014 Sun, Jiying; Liu, Haichao 收藏  |  浏览/下载：1/0  |  提交时间：2015/11/10 Selective hydrogenolysis  Ni catalyst  Solid base  polyols  Propylene glycol  Ethylene glycol  CHEMICALS  GLYCEROL  CONVERSION  CELLULOSE  SORBITOL  TRANSFORMATION  PERFORMANCE  MECHANISM  FUELS  CE   Synthesis, structure, magnetic and photo response properties of La3CuGaSe7 期刊论文 journal of alloys and compounds, 2014 Zhang, Xian; Chen, Wei; Mei, Dajiang; Zheng, Chong; Liao, Fuhui; Li, Yanting; Lin, Jianhua; Huang, Fuqiang 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/10 Quaternary chalcogenides  Copper  Rare earth  Photo response  Paramagnetic  CRYSTAL-STRUCTURES  SOLAR-CELL  METAL CHALCOGENIDES  ISOTHERMAL SECTION  870 K  ND  SM  GD  LA  PR   Selective hydrogenolysis of xylitol to ethylene glycol and propylene glycol over copper catalysts 期刊论文 applied catalysis b environmental, 2014 Huang, Zhiwei; Chen, Jing; Jia, Yuqing; Liu, Hailong; Xia, Chungu; Liu, Haichao 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/10 Biomass-derived polyols  Ethylene glycol  Propylene glycol  Copper catalysts  Selective hydrogenolysis  PRECIPITATION-GEL METHOD  DEPOSITION-PRECIPITATION  POLYOL CONVERSIONS  REACTION-MECHANISM  CU/SIO2 CATALYSTS  GLYCEROL  SORBITOL  CHEMICALS  BIOMASS  1,2-PROPANEDIOL   Interaction of sodium and potassium ions with PEO-PPO copolymer investigated by FTIR, Raman and NMR 期刊论文 vibrational spectroscopy, 2014 Li, Xiaopei; Huang, Kun; Xu, Yizhuang; Liu, Huizhou 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/10 PEO-PPO copolymer  Self-assembly  Interactions  Cations  Vibrational band shift  DIFFERENTIAL SCANNING CALORIMETRY  OXIDE) TRIBLOCK COPOLYMERS  BLOCK-COPOLYMER  AQUEOUS-SOLUTIONS  POLY(ETHYLENE OXIDE)  PHASE-SEPARATION  AGGREGATION BEHAVIOR  HOFMEISTER SERIES  MICELLIZATION  SALT   CHA-type zeolites with high boron content: Synthesis, structure and selective adsorption properties 期刊论文 microporous and mesoporous materials, 2014 Liang, Jie; Su, Jie; Wang, Yingxia; Lin, Zhongjun; Mu, Weijun; Zheng, Haoquan; Zou, Ruqiang; Liao, Fuhui; Lin, Jianhua 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/10 Chabazite  Borosilicate  Adsorption  Structure directing agent  EXCHANGED CHABAZITE ZEOLITES  CRYSTAL-STRUCTURE  MOLECULAR-SIEVE  GAS-ADSORPTION  FRAMEWORK  BOROSILICATE  CONVERSION  SSZ-13  CO2  SILICOALUMINOPHOSPHATE   Heat transport enhancement of thermal energy storage material using graphene/ceramic composites 期刊论文 炭素, 2014 Zhou, Mi; Bi, Hui; Lin, Tianquan; Lu, Xujie; Wan, Dongyun; Huang, Fuqiang; Lin, Jianhua 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/10 CHEMICAL-VAPOR-DEPOSITION  FEW-LAYER GRAPHENE  PHASE-CHANGE MATERIALS  LITHIUM ION BATTERIES  AQUEOUS DISPERSIONS  MANAGEMENT  FLOW  CONDUCTIVITY  SUSPENSIONS  NANOSHEETS   Efficient synthesis of 1,1-diethoxyethane via sequential ethanol reactions on silica-supported copper and H-Y zeolite catalysts 期刊论文 catalysis today, 2014 He, Xiaohui; Liu, Haichao 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/10 Ethanol  1,1-Diethoxyethane  Cu catalysts  H-Y zeolites  Two-step synthesis  AL-O CATALYST  ETHYL-ACETATE  SELECTIVE OXIDATION  DIRECT CONVERSION  OXIDE  DEHYDROGENATION  ACETALDEHYDE  METHANOL  DIETHYLACETAL  NANOPARTICLES