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浏览/检索结果: 共393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 试论汉代关中地区铁器生产原料的来源与流通——邰城铸铁作坊出土铁遗物的冶金分析 期刊论文 考古与文物, 2015 林永昌; 陈建立; 种建荣; 雷兴山; 赵艺蓬; 陈钢 收藏  |  浏览/下载：2/0  |  提交时间：2017/12/03 邰城铸铁作坊  金相分析  铸铁脱碳钢  原料   Temporal and spatial variations of organochlorine pesticides in the suspended particulate matter from Lake Chaohu, China 期刊论文 ECOLOGICAL ENGINEERING, 2015 He, Qi-Shuang; Wang, Qing-Mei; Wang, Yan; He, Wei; Qin, Ning; Kong, Xiang-Zhen; Liu, Wen-Xiu; Yang, Bin; Xu, Fu-Liu 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 Organochlorine pesticides  Temporal-spatial distribution  Potential ecological risks  Suspended particulate matter  Lake Chaohu  PERSISTENT ORGANIC POLLUTANTS  FRESH-WATER ECOSYSTEMS  PEARL RIVER DELTA  HAIHE PLAIN  TAIHU LAKE  HEXACHLOROCYCLOHEXANE ISOMERS  ESTUARINE SEDIMENTS  ECOLOGICAL RISKS  NORTHERN CHINA  SURFACE WATERS   Predicting alien herb invasion with machine learning models: biogeographical and life-history traits both matter 期刊论文 BIOLOGICAL INVASIONS, 2015 Chen, Leiyi; Peng, Shaolin; Yang, Bin 收藏  |  浏览/下载：4/0  |  提交时间：2017/12/03 Risk assessment  Invasiveness  Native range distribution size  Germination rate  Seed weight  WEED RISK-ASSESSMENT  PLANT INVASIVENESS  COMMUNITY INVASIBILITY  AUSTRALIAN ACACIAS  ASSESSMENT SYSTEM  RESIDENCE TIME  SPECIES TRAITS  NORTH-AMERICA  NATIVE RANGE  CHINA   Daily temperature trend and sensitivity to grassland and cropland in eastern China during the past 32 years 期刊论文 INTERNATIONAL JOURNAL OF CLIMATOLOGY, 2015 Feng, Yao; Zhao, Xinyi 收藏  |  浏览/下载：6/0  |  提交时间：2017/12/03 temperature trend  grassland/cropland  meteorological station  temperature indices  LAND-USE CHANGE  CLIMATE-CHANGE  DAILY MAXIMUM  EXTREMES  PRECIPITATION  SIMULATION  RAINFALL  IMPACTS  INDEXES  COVER   基于出行调查和GIS分析的县域公共服务设施配置评价研究——以德兴市医疗设施为例 期刊论文 人文地理, 2015 孙瑜康; 吕斌; 赵勇健 收藏  |  浏览/下载：4/0  |  提交时间：2017/12/03 公共服务设施  可达性分析  服务质量  出行路线图  跨区域流动   Soil-moisture conditions indicated by field-layer plants help identify vulnerable forests in the forest-steppe of semi-arid Southern Siberia 期刊论文 ecological indicators, 2015 Anenkhonov, Oleg A.; Korolyuk, Andrey Yu.; Sandanov, Denis V.; Liu, Hongyan; Zverev, Andrei A.; Guo, Dali 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/12 Key issues for the development and application of the species sensitivity distribution (SSD) model for ecological risk assessment 期刊论文 ecological indicators, 2015 Xu, Fu-Liu; Li, Yi-Long; Wang, Yin; He, Wei; Kong, Xiang-Zhen; Qin, Ning; Liu, Wen-Xiu; Wu, Wen-Jing; Jorgensen, Sven Erik 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/12 The differential effects of ammonium and nitrate on methanotrophs in rice field soil 期刊论文 2015 Hu, Ang; Lu, Yahai 收藏  |  浏览/下载：1/0  |  提交时间：2015/11/12 Influences of ambient air PM2.5 concentration and meteorological condition on the indoor PM2.5 concentrations in a residential apartment in Beijing using a new approach 期刊论文 ENVIRONMENTAL POLLUTION, 2015 Han, Yang; Qi, Meng; Chen, Yilin; Shen, Huizhong; Liu, Jing; Huang, Ye; Chen, Han; Liu, Wenxin; Wang, Xilong; Liu, Junfeng; Xing, Baoshan; Tao, Shu 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 Ambient PM2.5  Indoor air  Meteorological conditions  Beijing  PARTICULATE MATTER  OLYMPIC GAMES  OUTDOOR  POLLUTION  INFILTRATION  AEROSOL  PM10  ASSOCIATION  PENETRATION  PARTICLES   Assessment and management of ecological risk in an agricultural-pastoral ecotone: case study of Ordos, Inner Mongolia, China 期刊论文 NATURAL HAZARDS, 2015 Meng, JiJun; Xiang, Yunyun; Yan, Qun; Mao, XiYan; Zhu, LiKai 收藏  |  浏览/下载：2/0  |  提交时间：2017/12/03 Ecological risk  Risk assessment  Risk management  Ecotone  Ordos