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Research on cohesive sediment erosion by flow: An overview 总被引:1,自引:0,他引:1
YongHui Zhu JinYou Lu HongZhi Liao JiaSheng Wang BeiLin Fan ShiMing Yao 《中国科学E辑(英文版)》2008,51(11):2001-2012
Erosion of cohesive sediment by flow is a very complicated phenomenon occurring worldwide. Understanding and modeling of the
erosion process are important for many issues such as the breaching of embankments, riverbank stability, siltation of harbors
and navigation channels, service life of reservoirs, distribution of (heavy metal) pollutants and water quality problems.
In the last few decades, numerous studies have been done on the erosion of cohesive sediment by flow. Nevertheless, the factors
affecting the erosion resistance of cohesive sediment are still not fully understood and the knowledge of the physics of cohesive
sediment erosion is inadequate, as a result the mathematical modeling of this erosion is far from satisfactory. In this paper
an overview of the studies on the erosion resistance, erosion threshold and the erosion rate of cohesive sediment by flow
is presented. The outcomes achieved so far from the studies and the existing problems have been analyzed and summarized, based
on which recommendations are proposed for future research.
Supported by the National Key Technology R&D Program of China (Grant Nos. 2006BAC14B02 and 2006BAB05B03) and the National
Basic Research Program (973 Program) of China (Grant No. 2007CB714106) 相似文献
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Shao JinYou Chen XiaoLiang Li XiangMing Tian HongMiao Wang ChunHui Lu BingHeng 《中国科学:技术科学(英文版)》2019,62(2):175-198
Flexible electronics have received considerable attention in academies and industries for their promising applications in enormous fields, such as flexible displays, wearable sensors, artificial skins, and flexible energy devices. Challenges remain in developing a flexible and scalable manufacturing method to facilitate the fabrication of multi-functional structures in a flexible electronic system. Nanoimprint lithography is a high resolution and low-cost approach to fabricate nanostructures over a large area. This paper reviews recent progress of nanoimprint lithography and its applications in flexible electronics. The basic principles, classification, research focus, and critical issues of nanoimprint lithography are elaborated. Then, the advantages of nanoimprint lithography are demonstrated in several typical applications related to flexible electronics, including conductive films, optoelectronic devices, flexible sensors, energy harvesting and storage devices, and bioinspired electronic devices. Finally,the challenges and perspectives of nanoimprint lithography in flexible electronic systems are discussed. 相似文献
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