levitation 中文意思是什麼

levitation 解釋
反重力
  1. Application of comparative circuits in the control system of magnetic levitation axletree

    比較電路在磁懸浮軸承控制系統中的應用
  2. Confusion surrounds the future of a much - ballyhooed extension of shanghai ' s magnetic levitation ( maglev ) train service

    人們對于媒體大肆宣傳的上海磁懸浮列車擴建工程的前景感到困惑。
  3. The normal levitation of nodal plane tested under ultrasonic dynamic contact action validates the normal dynamic contact model

    用微位移測試儀實際測試夾心式換能器節面沿縱向上浮的實驗證實了該模型的分析結論。
  4. 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。
  5. 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。
  6. But usually it is not exist ， such as ghosts, fly saucers, certain alleged abilities as levitation and extrasensory ( esp ), etc

    但通常是一些不存在的事物，如鬼、飛碟、一些人聲稱的特異功能等。
  7. Under the same controlled parameters conditions, the paper study out five possible projects for the magnetic levitation guideway girder

    在軌道梁基本參數相同條件下，擬定了五種可能的磁懸浮軌道梁結構方案。
  8. The above - analyzed results indicate that the composite steel - concrete structure is a better style for the magnetic levitation guideway girder

    由分析結果表明，鋼?混凝土組合結構不失為一個好的軌道梁結構型式選擇方案。
  9. The magnetic suspension bearingless motors generate both electromagnetic torque and magnetic levitation forces for the rotor suspension by the motor itself. the bearingless motor is comparatively suited for using as artificial heart blood pump motor due to the advantages of without mechanical wear and noise, structure compact and contactless

    磁懸浮無軸承電機定、轉子既用於產生驅動力矩，同時又用於產生支撐轉子的磁懸浮力，具有無機械磨損、噪音小、可高轉速和體積小等特點，比較適用於人工心臟血泵電機。
  10. Development of the hydraulic brake system on magnetic levitation trains

    磁懸浮列車油壓制動系統的開發
  11. Concave reflecting surfaces of spherical cap, paraboloid and hyperboloid of revolution are investigated with regard to the dependence of the levitation force on the section radius rb and curvature radius r ( or depth d ) of the reflector

    針對球面、旋轉拋物面和旋轉雙曲面三種形狀的凹面反射端，系統研究了懸浮力與反射端截面半徑r _ b和曲率半徑r （或深度d ）之間的本徵關系。
  12. The research includes temperature controlling in deep cool condition, data sampling, relationship between levitation force and levitation gap in different temperature, and relationship between levitation force and temperature in a certain levitation gap - the deep cool condition is provided by g - m refrigerator, and a bent adapter connector fixed on second step cooling head is designed to fix ybacuo bulk

    研究包括深冷環境下的溫度控制；數據採集；不同溫度下懸浮力與懸浮間距的關系及一定懸浮間距下懸浮力與溫度的關系。在g - m製冷機作用下實現深冷測試環境，並設計出固定於製冷機二級冷頭處的轉變接頭以固定高溫超導體。
  13. 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。
  14. The detailed contents are as follows. through comparatively analyzing design demands in the specifications of countries in the world for the high - speed railway bridges, studying all sorts of structure types of the guideway girder adopted in some country, and summarizing the design outlines of the magnetic levitation guideway girder, the author bring forward a new - style structure of guideway girder : composite steel - concrete structure

    具體研究內容有：通過分析對比世界各國高速鐵路橋梁的設計規范對高速鐵路橋梁的設計要求，研究各國各種磁懸浮試驗線路所採用的軌道梁結構型式，總結磁懸浮鐵路軌道梁的設計要點，提出了一種新型的軌道梁結構型式：鋼?混凝土組合結構軌道梁。
  15. Fesi2 - based semiconductors have been studied due to its good performance, low cost and potential application in power generation using waste heat. state - of - the - art techniques such as levitation melting, rapid solidification and hot uniaxial pressing ( hup ) were used for sample preparation in the present work. the phase transformation, micro structure and transport properties of the materials have been analysed with xrd, sem / edx, raman spectroscopy as well as thermoelectric characterization

    在綜合評述國內外熱電材料研究新進展的基礎上，本文以懸浮熔煉、快速凝固和單軸熱壓等制備工藝為技術特徵，以mn或al摻雜fesi _ 2基合金為研究對象，採用xrd 、 sem / eds 、 raman光譜以及材料熱電性能測試等分析表徵手段，系統研究相變過程、微觀結構特徵及其對材料熱電性能的影響。
  16. Basis is the principle of fiow - levitation method and combination the needs of actual work, have led into instant infrared measure temperature system make evaporate temperature show and control more visual, have expanded the scope of speed adjustment for material supply installation to make consumed power be with production efficiency combine, besides, has still increased the installation of stabilized press of water - cooling system makes the operation of equipment more safe with stabilize

    根據自懸浮定向流技術原理，結合實際工作的需要，引入了即時紅外測溫系統使蒸發溫度的顯示與控制更加直觀，擴展了供料裝置的調速范圍使功耗與生產效率有機結合起來，此外，還增加了水冷系統的穩壓裝置使設備的運行更加安全與穩定。
  17. Finally, a disc motor is designed and fabricated, and the static levitation of the rotor is successfully performed

    最後，組建了整個片狀無軸承永磁電機系統，成功實現了電機轉子穩定懸浮。
  18. Cardinal principle of the magnetic levitation vehicle

    磁懸浮列車原理簡介
  19. Development of magnetic levitation trains in korea

    韓國磁懸浮列車發展
  20. During the resonance adjustment, the sound pressure distribution, levitation force and sample positions vary symmetrically with respect to the resonant state, and the allowed adjusting range of the reflector - emitter spacing is only the order of 0. 005 / 1

    聲場調諧過程中，聲壓分佈、摘要懸浮力和樣品位置等在諧振狀態兩側基本呈對稱性變化。懸浮樣品所允許的反射端一發射端間距調節范圍只有0 . 005兄量級。
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