中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
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浏览/检索结果: 共9条,第1-9条 帮助

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Children-led environmental communication fosters their own and parents' conservation behavior 期刊论文  OAI收割
Sustainable Production and Consumption, 2023, 卷号: 42, 页码: 322-334
作者:  
Tian, Jianchi;  Gong, Yuanchao;  Li, Yang;  Sun, Yan;  Chen, Xuefeng
  |  收藏  |  浏览/下载:18/0  |  提交时间:2023/10/30
Knowledge mapping analysis of international research on environmental communication using bibliometrics 期刊论文  OAI收割
JOURNAL OF ENVIRONMENTAL MANAGEMENT, 2021, 卷号: 298, 页码: 12
作者:  
Wu, Meifen;  Long, Ruyin;  Bai, Yun;  Chen, Hong
  |  收藏  |  浏览/下载:33/0  |  提交时间:2022/04/02
Less attention paid to waterborne SARS-CoV-2 spreading in Beijing urban communities 期刊论文  OAI收割
FRONTIERS OF ENVIRONMENTAL SCIENCE & ENGINEERING, 2021, 卷号: 15, 期号: 5, 页码: -
作者:  
Wang, Chunyan;  Wang, Jiangshan;  Liu, Yi;  Zhang, Lei;  Sun, Yong
  |  收藏  |  浏览/下载:9/0  |  提交时间:2021/12/23
Responses of CH4 and N2O fluxes to land-use conversion and fertilization in a typical red soil region of southern China 期刊论文  OAI收割
SCIENTIFIC REPORTS, 2017, 卷号: 7, 期号: 2, 页码: -
作者:  
Liu, Guohua;  Wu, Xing;  Liu, Huifeng;  Zheng, Xunhua;  Lu, Fei
  |  收藏  |  浏览/下载:26/0  |  提交时间:2018/07/20
E-participation for environmental sustainability in transitional urban China 期刊论文  OAI收割
SUSTAINABILITY SCIENCE, 2017, 卷号: 12, 期号: 2, 页码: 187-202
作者:  
Mol, Arthur P. J.;  He, Guizhen;  Boas, Ingrid;  Lu, Yonglong
  |  收藏  |  浏览/下载:27/0  |  提交时间:2018/07/20
Study on the communication from the households in the countries of west China Based on the rural telecom communication charge 会议论文  OAI收割
International Conference on Challenges in Environmental Science and Computer Engineering, CESCE, Wuhan, China, 2010
Wang; Boli1; 2; Zhang; Xiaolei1; Zhu; Bing1; Sun; Changlong1
收藏  |  浏览/下载:41/0  |  提交时间:2011/08/23
Research on marine environmental data management in China digital ocean prototype system 会议论文  OAI收割
2010 30th IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2010,, Honolulu, HI, United states, July 25, 2010 - July 30,2010
Liu, Jian; Zhang, Xin; Jian, Xiaoyi; Jiang, Bing; Chi, Titanhe
收藏  |  浏览/下载:31/0  |  提交时间:2014/12/07
Packaging technology of polymer/Si arrayed waveguide grating and their environmental stability (EI CONFERENCE) 会议论文  OAI收割
2005 6th International Conference on Electronics Packaging Technology, August 30, 2005 - September 2, 2005, Dameisha, Shenzhen, China
作者:  
Zhang Y.;  Zhang X.;  Zhang X.;  Zhang X.;  Wang F.
收藏  |  浏览/下载:37/0  |  提交时间:2013/03/25
Future optical communication systems will use more of the exceptional high bandwidth of optical fiber. Wavelength division multiplexing (WDM) systems are well suited to transport terabits of information via the fiber[1]. Multiplexers/ demultiplexers (MUX/DEMUX) are essential components for dense WDM systems. Several different kinds of multiplexer types have been developed in the past: (a) interference filters  (b) fiber gratings  and (c) planar lightwave circuit (PLC) MUX/DEMUXers[2  3]. The planar fabrication process of the last mentioned PLCs allows the realization of high performance filters with a large number of wavelength channels. Further  an integration with other optical elements seems to be possible. Arrayed waveguide gratings (AWG) are a special kind of PLC-MUX/DEMUXers  which are very attractive components for WDM systems because of their great flexibility in filter design[4  5]. Basically  an AWG is an optical spectrograph built in planar waveguide technique. Typically  AWGs works in a high grating order (50-250). For AWG multiplexer applications in communications systems a precise wavelength controllability and wavelength stability with long term is demanded. Recently  a polymeric (especially fluorinated polymer with low optical absorption loss in the infrared region) AWG has attracted much attention because of its easy fabrication  low cost possibility and a potential of integration with other polymer devices[6]. Standard AWGs  however  show a change of center wavelength with temperature. A method to prevent this temperature drift is to package the AWG together with a temperature controller in order to tune and fix the desired filter-wavelength. In this paper  a 32-channel AWG was fabricated using a cross-linkable fluorinated poly (ether ether ketone) (FPEEK)  its package technology and environmental stability were also discussed. 2005 IEEE.  
Small satellite constellation for disaster monitoring in China 会议论文  OAI收割
2005 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2005,, Seoul, Korea, Republic of, July 25, 2005 - July 29,2005
Wang, Xingling; Wang, Gang; Guan, Yan; Chen, Quan; Gao, Lianru Source
收藏  |  浏览/下载:34/0  |  提交时间:2014/12/07