QQ客服 官方微博 反馈留言

浏览/检索结果: 共46条，第1-10条 帮助 限定条件 发表日期：2015    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 Ecotoxicological effect of zinc oxide nanoparticles on soil microorganisms 期刊论文 FRONTIERS OF ENVIRONMENTAL SCIENCE & ENGINEERING, 2015 Shen, Zhaoyi; Chen, Zhuo; Hou, Zhen; Li, Tingting; Lu, Xiaoxia 收藏  |  浏览/下载：106/0  |  提交时间：2017/12/03 zinc oxide nanoparticles (ZnO-NPs)  soil microorganisms  respiration  ammonification  dehydrogenase (DH) activity  fluorescent diacetate hydrolase (FDAH) activity  ESCHERICHIA-COLI O157H7  ZNO NANOPARTICLES  ANTIBACTERIAL ACTIVITY  NANO-ZNO  TOXICITY  BIOAVAILABILITY  NANOMATERIALS  DISSOLUTION  SUSPENSIONS  SPECIATION   Control of climate and litter quality on leaf litter decomposition in different climatic zones 期刊论文 JOURNAL OF PLANT RESEARCH, 2015 Zhang, Xinyue; Wang, Wei 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 Climatic zones  Leaf litter decomposition  Litter quality  Mean annual precipitation  Mean annual temperature  TROPICAL RAIN-FOREST  LONG-TERM ROOT  PRECIPITATION GRADIENT  ORGANIC-MATTER  TERRESTRIAL ECOSYSTEMS  GLOBAL PATTERNS  DECAY-RATES  LAND-USE  NITROGEN MINERALIZATION  FOLIAR LITTER   Diagenetic barite deposits in the Yurtus Formation in Tarim Basin, NW China: Implications for barium and sulfur cycling in the earliest Cambrian 期刊论文 PRECAMBRIAN RESEARCH, 2015 Zhou, Xiqiang; Chen, Daizhao; Dong, Shaofeng; Zhang, Yanqiu; Guo, Zenghui; Wei, Hengye; Yu, Hao 收藏  |  浏览/下载：8/0  |  提交时间：2017/12/03 Barite concretion  Diagenetic barium cycling  Earliest Cambrian  Yurtus Formation  Tarim Basin, NW China  GULF-OF-MEXICO  CRETACEOUS BLACK SHALES  BARBERTON MOUNTAIN LAND  CARBONATE CONCRETIONS  AUTHIGENIC BARITE  STRATIFORM BARITE  SOUTH CHINA  BIOGEOCHEMICAL PROCESSES  ISOTOPIC COMPOSITION  CONTINENTAL-MARGIN   Aerobic and anaerobic reduction of birnessite by a novel Dietzia strain 期刊论文 GEOCHEMICAL TRANSACTIONS, 2015 Zhang, Huiqin; Li, Yan; Wang, Xin; Lu, Anhuai; Ding, Hongrui; Zeng, Cuiping; Wang, Xiao; Wu, Xiaolei; Nie, Yong; Wang, Changqiu 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 SHEWANELLA-ONEIDENSIS MR-1  C-TYPE CYTOCHROMES  MANGANESE-OXIDE  MARINE BACILLUS  GEOBACTER-SULFURREDUCENS  DISSIMILATORY REDUCTION  OXIDATION  FE(III)  IRON  LAKE   Evidence for crustal contamination in intra-continental OIB-like basalts from West Qinling, central China: A Re-Os perspective 期刊论文 journal of asian earth sciences, 2015 Li, Xiaowei; Li, Jie; Bader, Thomas; Mo, Xuanxue; Scheltens, Mark; Chen, Zhenyu; Xu, Jifeng; Yu, Xuehui; Huang, Xiongfei 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/10 Re-Os isotopes  West Qjnling  Intra-continental basalts  Crustal contamination  TRACE-ELEMENT GEOCHEMISTRY  OSMIUM ISOTOPE EVIDENCE  RECYCLED OCEANIC LITHOSPHERE  EUROPEAN VOLCANIC PROVINCE  CONTINENTAL FLOOD BASALTS  PLATINUM-GROUP ELEMENTS  MIDOCEAN RIDGE BASALTS  LARGE IGNEOUS PROVINCE  MC-ICP-MS  INTRAPLATE VOLCANISM   Geochronology, geochemistry, and Sr-Nd-Hf isotopes of the early Paleozoic igneous rocks in the Duobaoshan area, NE China, and their geological significance 期刊论文 journal of asian earth sciences, 2015 Wu, Guang; Chen, Yuchuan; Sun, Fengyue; Liu, Jun; Wang, Guorui; Xu, Bei 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/11 Zircon U-Pb age  Geochemistry  Sr-Nd-Hf isotopes  Ordovician igneous rocks  Duobaoshan area  Xing&apos  NE China  UNDERPLATED BASALTIC CRUST  PLASMA-MASS SPECTROMETRY  ASIAN OROGENIC BELT  U-PB AGES  CONTINENTAL-CRUST  NORTHEASTERN CHINA  TECTONIC IMPLICATIONS  PARTIAL MELTS  EAST CHINA  LU-HF  an massif   Real-Time Visualization of Perylene Nanoclusters in Water and Their Partitioning to Graphene Surface and Macrophage Cells 期刊论文 ENVIRONMENTAL SCIENCE & TECHNOLOGY, 2015 Guo, Xuejun; Jin, Xin; Lv, Xiaofang; Pu, Yingying; Bai, Fan 收藏  |  浏览/下载：4/0  |  提交时间：2017/12/03 POLYCYCLIC AROMATIC-HYDROCARBONS  SINGLE-MOLECULE  SILVER NANOPARTICLES  ORGANIC CONTAMINANTS  ADSORPTION-KINETICS  MICROSCOPY  PHENANTHRENE  AGGREGATION  SEDIMENTS  SORPTION   An optimized method for high-titer lentivirus preparations without ultracentrifugation 期刊论文 SCIENTIFIC REPORTS, 2015 Jiang, Wei; Hua, Rui; Wei, Mengping; Li, Chenhong; Qiu, Zilong; Yang, Xiaofei; Zhang, Chen 收藏  |  浏览/下载：6/0  |  提交时间：2017/12/03 MEDIATED GENE-TRANSFER  VECTOR PREPARATIONS  IN-VIVO  PURIFICATION  DELIVERY  SYSTEM  ULTRAFILTRATION  TRANSDUCTION  TITRATION  PURPOSES   Biological effect of food additive titanium dioxide nanoparticles on intestine: an in vitro study 期刊论文 JOURNAL OF APPLIED TOXICOLOGY, 2015 Song, Zheng-Mei; Chen, Ni; Liu, Jia-Hui; Tang, Huan; Deng, Xiaoyong; Xi, Wen-Song; Han, Kai; Cao, Aoneng; Liu, Yuanfang; Wang, Haifang 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 titanium dioxide nanoparticles  digestion  cytotoxicity  intestinal cell  traverse  CACO-2 CELLS  OXIDE NANOPARTICLES  TIO2 NANOPARTICLES  OXIDATIVE STRESS  TOXICITY  CYTOTOXICITY  ABSORPTION  SAFE  VIVO   An A-Site Mixed-Ammonium Solid Solution Perovskite Series of [(NH2NH3)(x)(CH3NH3)(1-x)][Mn(HCOO)(3)] (x=1.00-0.67) 期刊论文 ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2015 Chen, Sa; Shang, Ran; Wang, Bing-Wu; Wang, Zhe-Ming; Gao, Song 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 dielectric properties  manganese  metal-organic perovskites  phase transitions  METAL-ORGANIC FRAMEWORK  PROMINENT DIELECTRIC ANOMALIES  FORMATE FRAMEWORK  WEAK FERROMAGNETISM  THERMAL-EXPANSION  PHASE-TRANSITION  MULTIFERROICS  FERROELECTRICITY  ORDER  DESIGN