acoustic levitation 中文意思是什麼

acoustic levitation 解釋
聲懸浮
  • acoustic : adj. 1. 聽覺的；聲學的。2. 助聽的；傳音的。3. 原聲的，不經過電子設備傳聲的。adv. -tically 在聽覺上；在聲學上。
  • levitation : 反重力
  1. The rapid solidification process of pb - sn eutectic alloy is investigated with acoustic levitation and the maximum undercooling of 38k has been achieved

    採用聲懸浮無容器處理技術研究了pb - sn共晶合金在深過冷條件下的凝固規律。
  2. 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

    主要取得了以下幾方面的研究成果：研究了5 8mm的大體積水在聲懸浮無容器條件下的快速凝固行為。獲得了最大為24k的過冷度。
  3. A two - cylinder model for saal incorporating bem simulations is proposed, which introduces a factor concerning the geometric parameters of the levitator into the expressions for the time - averaged potential u, acoustic radiation force f, and restoring force constant ki, respectively, and builds up the relationship between the levitation capabilities and the geometric parameters of a single - axis acoustic levitator

    建立了單軸式聲懸浮的優化設計理論模型，採用邊界元方法求解入射聲場，在表徵聲懸浮性能的時間平均勢u 、聲輻射力f _ i和回復力常數_ i的表達式中分別引入了一個涉及懸浮器幾何參數的因子。
  4. 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

    隨著現代工業與科學技術的發展，在精密機械工業、半導體工業、航空航天工業、交通與運輸業以及空間材料科學、微電子學和軍事科學等許多領域，需要採用懸浮技術對特定目標如精密元器件、光盤（ cd ） 、液晶片（ lcd ） 、硅基片（ wafer ） 、導航陀螺乃至列車等實現非接觸式的操作或輸運，因此，懸浮技術的發展具有重要的理論意義和實用價值。
  5. 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

    本文針對當前單軸式聲懸浮能力較弱，而且主要應用於低密度材料無容器處理的研究現狀，以提高聲懸浮能力、實現低熔點高密度材料的聲懸浮無容器凝固為主線，採用理論和實驗相結合的方法，對單軸式聲懸浮過程及其主要影響因素進行了較為系統、深入的研究，主要取得以下幾方面的研究結果。
  6. 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

    對自行研製的單軸式聲懸浮器進行了優化設計，極大地提高了懸浮力和懸浮穩定性，首次懸浮起自然界中密度最大的固體銥（ i - r ，密度22 . 6g cm ~ 3 ）和液體汞（ hg ，密度13 . 6g cm ~ 3 ） 。
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