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Status and Outlook of Aquatic Products the Cold-chain Logistics Quality and Safety Control Technology System 会议论文
青岛, 2009-10-31
作者:  Sun Lijun[1];  Wang Yaling[1];  Wu Xiaoping[1];  Hong Pengzhi[1];  Lei Xiaoling[1]
收藏  |  浏览/下载：6/0  |  提交时间：2019/12/26
敦煌莫高窟保护工程施工振动对洞窟文物的影响 期刊论文
岩石力学与工程学报, 2009, 卷号: 28, 期号: S2, 页码: 3762-3768
作者:  张明泉;  温玲丽;  王旭东;  郭青林;  石玉成
收藏  |  浏览/下载：3/0  |  提交时间：2016/08/06
Mapping collapsed columns in coal mines utilizing Microtremor Survey Methods 期刊论文
CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION, 2009, 卷号: 52, 期号: 7, 页码: 1923-1930
作者:  Xu Pei-Fen;  Li Chuan-Jin;  Ling Su-Qun;  Zhang Yin-Bin;  Hou Zhao
收藏  |  浏览/下载：23/0  |  提交时间：2018/09/26
Mapping collapsed columns in coal mines utilizing Microtremor Survey Methods 期刊论文
CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION, 2009, 卷号: 52, 期号: 7, 页码: 1923-1930
作者:  Xu Pei-Fen;  Li Chuan-Jin;  Ling Su-Qun;  Zhang Yin-Bin;  Hou Zhao
收藏  |  浏览/下载：15/0  |  提交时间：2018/09/26
Identification of Chinese cabbage genotypes with low cadmium accumulation for food safety 期刊论文
ENVIRONMENTAL POLLUTION, 2009, 卷号: 157, 期号: 6, 页码: 1961-1967
作者:  Liu, Weitao;  Zhou, Qixing;  Sun, Yuebing;  Liu, Rui
收藏  |  浏览/下载：17/0  |  提交时间：2019/06/04
流域水环境模拟及安全区间分析 学位论文
硕士, 北京: 中国科学院研究生院, 2009
颜淼
收藏  |  浏览/下载：28/0  |  提交时间：2010/06/07
Identification of chinese cabbage genotypes with low cadmium accumulation for food safety 期刊论文
Environmental pollution, 2009, 卷号: 157, 期号: 6, 页码: 1961-1967
作者:  Liu, Weitao;  Zhou, Qixing;  Sun, Yuebing;  Liu, Rui
收藏  |  浏览/下载：19/0  |  提交时间：2019/05/10
Availability, functionality, and use of seat belts in beijing taxis prior to the 2008 beijing olympic games 期刊论文
Accident analysis and prevention, 2009, 卷号: 41, 期号: 2, 页码: 342-344
作者:  Fleiter, Judy J.;  Gao, Liping;  Qju, Chen;  Shi, Kan
收藏  |  浏览/下载：19/0  |  提交时间：2019/05/10
LED optical engine based on rectangular CPC for micro-projection display (EI CONFERENCE) 会议论文
4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, November 19, 2008 - November 21, 2008, Chengdu, China
Wang S.-Y.; Sun W.-J.; Bu W.-B.; Meng Z.
收藏  |  浏览/下载：10/0  |  提交时间：2013/03/25
With applications in digital display  consumer electronics  medicine  automotive lighting  traffic signals  and general illumination  the light-emitting diode (LED) is the world's most efficient light source being mass produced today[1]. However  high cost is the main factor restricting widespread application of LED lighting  and the packaging is the most expensive aspect of LED products. Light emitting diodes (LED) are regarded as the most important light sources in solid-state lighting for their advantages in energy efficiency  long life  vivid colors  high reliability  environmental protection  safety and multiple applications. However  application of LEDs in projection display exist many questions such as low illuminance uniformity and low energy efficiency by reason of luminescence distribution and constructure specificity for LED  the study on application of LED in the micro-projection display and projection display is reported[2-8]. Considering the question mensioned above the rectangular CPC(Compound Parabolic Concentrator) system with three-color LED is applied in the projection display. 2009 SPIE.  
Research on the Index System of Early-Warning Management of Power Grid Safety Monitoring 会议论文
6th International Conference on Innovation and Management, Pontificia Univ Catolica de Sao Paulo, Sao Paulo, BRAZIL, DEC 08-10, 2009
作者:  Li Yulong
收藏  |  浏览/下载：1/0  |  提交时间：2019/12/04

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