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浏览/检索结果: 共3条，第1-3条 帮助 限定条件 内容类型：会议论文     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 Simultaneous determination of Benzo[k]fluoranthene and Perylene using Excitation-Emission Matrix Fluorescence 会议论文 5th international symposium on advanced optical manufacturing and testing technologies: optical test and measurement technology and equipment, dalian,china, 2010-04-26 Huan-Bo Wang; Yu-Jun Zhang; Jing-Bo Duan; Xue Xiao; Shao-Hui Yu; Kai Zhang 收藏  |  浏览/下载：6/0  |  提交时间：2011/09/27 Energy transfer processes on both Er+ ion concentration and excitation densities in Yb3+-Er3+ codoped LaF3 matrix (EI CONFERENCE) 会议论文 Zhang J.; Qin W.; Zhao D.; De G.; Zhang J.; Wang Y.; Cao C. 收藏  |  浏览/下载：14/0  |  提交时间：2013/03/25 The effects of both Er3+ ion concentration and excited density upon frequency upconversion fluorescence emissions in Er3+/Yb 3+-codoped LaF3 powder are investigated. The results reveal that a higher Er3+ concentration can induce not only upconversion emission enhancements but also the changes among the relative intensities of the 407  519  539 and 651 nm radiation transitions as the samples are excited within the ranges of 20 to 700 mW with 978 nm laser diode (LD) as an excitation source. The changes are described by a schematic level model with the cross-relaxation processes between Er3+ ions and a series of dynamic equations that take into account the population of temperature dependent in Er3+. 2006 Elsevier B.V. All rights reserved.   Competitive Adsorption of Dissolved Organic Matter by Carbon Nanotubes and Activated Carbon in Aqueous Phase (CPCI-S收录) 会议论文 ADVANCES IN BIOMEDICAL ENGINEERING 作者:  Liang, Yanhong[1];  Chen, Yinru[1];  Chow, Alex T.[2] 收藏  |  浏览/下载：1/0  |  提交时间：2019/04/15 Single-walled carbon nanotubes (SWNT)  Multi-walled carbon nanotubes (MWNT)  Activated carbon (AC)  Fluorescence excitation emission matrix spectroscopy