acoustic levitation meaning in English
声悬浮
Examples
- The rapid solidification process of pb - sn eutectic alloy is investigated with acoustic levitation and the maximum undercooling of 38k has been achieved
采用声悬浮无容器处理技术研究了pb - sn共晶合金在深过冷条件下的凝固规律。 - The present thesis has carried out detailed investigation on the rapid solidification of undercooled bulk water and pb - sn binary eutectic alloy with acoustic levitation , and the various factors influencing the achievement of undercooling in sound field have been analyzed
主要取得了以下几方面的研究成果：研究了5 8mm的大体积水在声悬浮无容器条件下的快速凝固行为。获得了最大为24k的过冷度。 - Single - axis acoustic levitation of the heaviest solid ( iridium , p = 22 . 6g / cm3 ) and liquid ( mercury , p = 13 . 6g / cm3 ) on the earth is achieved by greatly enhancing both the levitation force and stability through optimizing the geometric parameters of the self - developed single - axis acoustic levitator . this indicates that all the solids and liquids can be acoustically levitated on the earth in principle
对自行研制的单轴式声悬浮器进行了优化设计，极大地提高了悬浮力和悬浮稳定性，首次悬浮起自然界中密度最大的固体铱( i - r ，密度22 . 6g cm ~ 3 )和液体汞( hg ，密度13 . 6g cm ~ 3 ) 。 - With the development of modern industry and technology , some conveying and manipulating operations in non - contact mode need the suspension technology in the fields of guiding system , material processing , micro - electronics and semi - conductor industry and so on . therefore , it is of great importance to develop the suspension technique . there have been some conventional suspension methods at present , among them , magnetic levitation , acoustic levitation , aerodynamic levitation , optical levitation , radio - frequency levitation , electric levitation and super - conducting levitation
随着现代工业与科学技术的发展，在精密机械工业、半导体工业、航空航天工业、交通与运输业以及空间材料科学、微电子学和军事科学等许多领域，需要采用悬浮技术对特定目标如精密元器件、光盘( cd ) 、液晶片( lcd ) 、硅基片( wafer ) 、导航陀螺乃至列车等实现非接触式的操作或输运，因此，悬浮技术的发展具有重要的理论意义和实用价值。 - The advantage of al is its applicability to non - conducting substances and also to low - melting - point metallic materials . due to the fact that the levitation capability of single - axis acoustic levitation ( saal ) is comparatively weak and its applications are mainly limited to low - density substances , this paper aims at enhancing the levitation capability of saal and realizing the containerless solidification of those materials with low melting temperature and high density
本文针对当前单轴式声悬浮能力较弱，而且主要应用于低密度材料无容器处理的研究现状，以提高声悬浮能力、实现低熔点高密度材料的声悬浮无容器凝固为主线，采用理论和实验相结合的方法，对单轴式声悬浮过程及其主要影响因素进行了较为系统、深入的研究，主要取得以下几方面的研究结果。