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- superfluid helium 3 theory 超流體氦3理論
- The bizarre behavior of superfluid helium has attracted many able theorists. 超流體氦這些異乎尋常的行為吸引了許多有才干的理論物理學(xué)家。
- The deuteron can fuse with another proton to make a helium 3 nucleus. 氘核可以和另一個(gè)質(zhì)子聚合以生成一個(gè)氦3核。
- Several different valve needles were designed and manufactured for a superfluid helium system. 摘要針對某超流氦系統所需要的低溫節流閥，設計并加工了幾種不同結構形式和尺寸的閥針。
- Abstract： Superfluid helium is a unique cryogenic fluid,whose flowrate measurement is different from others. 摘 要： 超流氦是一種性質(zhì)特殊的低溫流體，其流量測量與一般流體有所不同。
- Superfluid helium is a unique cryogenic fluid,whose flowrate measurement is different from others. 超流氦是一種性質(zhì)特殊的低溫流體，其流量測量與一般流體有所不同。
- Finally, an appropriate throttle valve was chose to serve the superfluid helium system. 最終確定了一個(gè)適合該超流氦系統的較為理想的節流閥。
- A superconductor temperature sensor was developed to measure the tiny temperature fluctuation in superfluid helium. 論文在實(shí)驗中設計了一個(gè)超導溫度傳感器來(lái)測量微小的溫度變化。
- Based on the mechanocaloric effect of superfluid helium, a new way to produce super low-temperature was conceived and analyzed theoretically. 從超流氦的機械熱效應出發(fā)，構思了一種制取極低溫的試驗方法，并從理論上進(jìn)行了分析。
- Many experiments were conducted in order to understand the physical phenomena and mechanism after a heat pulse was released in superfluid helium. 在以上的溫度范圍內進(jìn)行實(shí)驗，研究了在熱脈沖作用下，發(fā)生在超流氦浴中的沸騰現象及其物理機制。
- In normal helium the atoms are in excited states (see excitation), whereas in superfluid helium they are in their ground state. 正常氦中的原子處于激發(fā)狀態(tài)，而超流氦中的原子則處于基態(tài)。
- It was found from the experiments that two kinds of heat transfer mechanisms, thermal wave heat transfer and diffusion-like heat transfer, co-existed in superfluid helium. 快速和大幅度的溫升是由于氣泡膨脹到超導溫度傳感器的位置所致。
- One of the mission's main aims was to look for Helium 3, an isotope which is very rare on earth but could be an energy source in the future in nuclear fusion. 飛船的主要目的之一就是尋找氦-3，一種氦的同位素，它在地球上非常少見(jiàn)，但卻可能是將來(lái)核融合的能源來(lái)源。
- When the bath temperature was close to the temperature, more experimental and theoretical work should be done because the thermal resistance of superfluid helium increased a lot. 而在點(diǎn)溫度附近，由于超流氦熱阻大幅度增加，仍需更深入的理論研究與實(shí)驗。
- Shine a flashlight on a tube partially submerged in superfluid helium, and the bizarre stuff flows upward out the tube, like a fountain, towards the light. 將一根試管半浸入超流態(tài)的氦中，并用手電筒照射試管，這奇怪的液體就會(huì )像噴泉一樣沿著(zhù)光線(xiàn)噴出。
- Some physical phenomena, such as first sound wave, second sound wave, quantum vortex, boiling phenomena and so on, may occur when a heat pulse is released in superfluid helium. 在熱脈沖的作用下，發(fā)生在超流氦中的物理現象有：第一聲波、第二聲波、量子渦旋、沸騰等現象。
- This paper describes the characterization of superfluid helium briefly and summarizes the using of superfluid helium Dewars refrigerators in space refrigeration. 簡(jiǎn)介超流氦的特性，超流氦杜瓦制冷在空間制冷中的應用現狀。
- Abstract： Based on the mechanocaloric effect of superfluid helium, a new way to produce super low-temperature was conceived and analyzed theoretically. 從超流氦的機械熱效應出發(fā)，構思了一種制取極低溫的試驗方法，并從理論上進(jìn)行了分析。
- One involves not sound waves but ripples on the surface of a liquid or along the interface between layers of superfluid helium, which is so cold that it has lost all frictional resistance to motion. 其中一種牽涉到的并非聲波，而是液體表面或是沿著(zhù)兩層超流氦之間介面傳播的漣漪（超流氦冷到在運動(dòng)時(shí)完全沒(méi)有摩擦阻力）。
- The cryogenic ground support equipment (CGSE) is used to cool down the second stage alpha magnetic spectrometer ANS02 magnet and to fill the superfluid helium into the magnetic Dewar of AMS02. 摘要低溫地面支持設備系統CGSE是用于冷卻第二代阿爾法磁譜儀AMS02的磁體組件并將超流氦注入AMS02磁體杜瓦的低溫設備系統。
