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浏览/检索结果: 共3条，第1-3条 帮助 限定条件 发表日期：2009    内容类型：期刊论文    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 Chemical and stable carbon isotopic characterization for PAHs in aerosol emitted from two indoor sources 期刊论文 chemosphere, 2009 Zhang, Liwen; Bai, Zhipeng; You, Yan; Wu, Jianhui; Feng, Yinchang; Zhu, Tan 收藏  |  浏览/下载：1/0  |  提交时间：2015/11/12 Polycyclic aromatic hydrocarbons  Indoor sources  Source profile  Stable carbon isotope  Cooking fume  Environmental tobacco smoke  POLYCYCLIC AROMATIC-HYDROCARBONS  SOURCE APPORTIONMENT  SOURCE IDENTIFICATION  SEDIMENT PAHS  LAKE CALUMET  AIR  CHICAGO  COMBUSTION  COAL  FINGERPRINTS   Construction and performance analysis of 2-D variable-length variable-weight optical orthogonal codes 期刊论文 photonic network communications, 2009 Yin, Hongxi; Liang, Wei; Ma, Le 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/12 Optical code division multiple access (OCDMA) networks  Two-dimensional variable-length variable-weight optical orthogonal code (2-D VLVWOOC)  Multimedia services  CDMA SYSTEMS  NETWORKS   A Passive Sampler with Improved Performance for Collecting Gaseous and Particulate Phase Polycyclic Aromatic Hydrocarbons in Air 期刊论文 environmental science technology, 2009 Tao, Shu; Cao, Jun; Wang, Wentao; Zhao, Jingyu; Wang, Wei; Wang, Zanhong; Cao, Hongying; Xing, Baoshan 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/10 POLYBROMINATED DIPHENYL ETHERS  PERSISTENT ORGANIC POLLUTANTS  POLYCHLORINATED-BIPHENYLS  URBAN  CHINA  PAHS  TIANJIN  CALIBRATION  ATMOSPHERE  WINTER