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基于光纤传输的尾矿库安全监测预警系统研究许同乐1,郎学政1,裴新才1,薛丽贤2(1.山东省淄博市山东理工大学精密制造与特种加工省级重点实验室2.长春黄金研究院)摘 要:尾矿库是矿山企业生产的最大安全隐患,一旦失事会给社会,生态环境带来巨大危害.建立尾矿库安全监测预警系统,可以实时掌握尾矿库运行状况,及时发现溃坝险情,采取防溃措施或安全转移,最大程度减少损失,保障人民生命财产安全.光纤传输具有高速率远距离,大容量低损耗,多业务,不受电磁波干扰,扩容方便等优点,介绍了光纤传输基本原理和在尾矿库安全监测预警系统中的作......
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Research of Optical Performance On Rare-Earth Optical Fiber Zhou Meng1,Li Baojun1,Yang Tao1,Li Tiansi1,YangShilong1,Fu Li1,Zhou Yao1 (1.Institute of Architecture Technique Research, Shenyang University, Shenyang 110016, China) Abstract:The rare-earth optical fiber is made of organic material and inorganic rare earth material.It can be used to absorb and transfer solar energy.When sunlight......
Liquid-phase preparation and electrochemical property of LiFePO4/C nanowiresTIAN Li(田俐)1, 2, CHEN Lin(陈琳)1(1. School of Chemistry and Chemical Engineering, Hunan University of Science and Technology... words:liquid-phase preparation; LiFePO4; nanowires; electrochemical property......
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High pressure floating-zone growth and property characterization of Cr-doped hexagonal YMnO3 crystalsFeng Wan1,Xiaojun Bai1,Kaikai Song2,Jianbang Zheng1,Xin Lin3,Chongde Cao11. Department of Applied... pressure optical floatingzone method. The size of the grown crystals is typically 60–70 mm in length and 4–5 mm in diameter. The structure of the grown crystals is analyzed by powder X-ray diffraction......
Analysis of Hot Rolling Routes of AZ31B Magnesium Alloy and Prediction of Tensile Property of Hot-rolled Sheets范沁红1,徐海洁1,MA Lifeng1,JIA Weitao2,HUANG Zhiquan1,LIU Guangming1,LIN Jinbao1,FANG Daqing11... rolling routes. Microstructures and mechanical properties of the hot-rolled magnesium alloy sheets were analyzed by optical microscope and tensile tests respectively. Based on the Hall-Petch relation......
Mechanical and Galvano-chemistry Property Variation within Dissimilar Metal Weld between 1Cr18Ni9Ti and 1Cr13 Stainless SteelYongtao Zhao ,Junhui Dong,Yonglin Ma,Liping Zhao and Xiaobing Pei Material... variation within welds,properties,such as tensile and fracture properties and so on,are expected to show spatial variation.In the study,microstructures were observed by optical and electron......