helium in 中文意思是什麼

helium in 解釋
氦入口
  • helium : n. 【化學】氦。 helium-4 氦4〈氦的最常見同位素〉。
  • in : adv 1 朝里,向內,在內。 A coat with a furry side in有皮裡子的外衣。 Come in please 請進來。 The ...
  1. It has to sit in a bath of liquid helium cooled to just a fraction of a degree above absolute zero ( - 273 c ) in order to work

    為了能夠運行, 「獵人」不得不被放置在有液態氦溶液中,裏面的溫度只比絕對零度( 273 c )高一點點。
  2. In the experimental studies on the behaviors of helium in aluminum, ion implantation technique was adopted to introduce helium with different energies, doses and distributions into some specimen of monocrystal, polycrystal, and preferred orientation as to the structure of aluminum. the energies varied in the range of 50ev to 4. 87mev. the corresponding helium peak depths by trim simulation varied in the range of 16 angstrom to 20. 7 microns

    在金屬鋁中氦行為的實驗研究中,首先用離子注入技術在單晶、多晶以及擇優取向的鋁樣品中引入不同能量、劑量和濃度分佈的he原子,能量范圍從50ev 4 . 87mev , trim模擬的he濃度峰值的深度范圍為16 (
  3. Although helium is nontoxic and inert, it can act as a simple asphyxiant by displacing the oxygen in air to levels below that required to support life

    盡管氦無毒且不活潑,通過取代空氣中的氧,使之下降到維持生命所必須的水平以下,它可以成為簡單的窒息物。
  4. Helium is a gas used in balloons.

    氦是一種用於氣球的氣體。
  5. He plans to circumnavigate the world in a helium balloon

    他計畫搭乘氦氣球環繞世界一周。
  6. Typical examples include common elements such as oxygen, helium and the relative new carbon - 60 ; the anaesthetic gases such as nitrous oxide lathing gas and ether, urea - the first man - made organic compound, consumer products such as adhesives and the sugar substituted aspartame ; dna the coil of life ; and the fiascos in the proclaimed discoveries of cold fusion and memory effect of water

    主要內容包括:氧、氦、笑氣、乙醚、碳60等元素及化合物的發現, 11 .第一個有機化合物的合成,各類日用黏貼膠的制備,代糖aspartame的發現, dna雙螺旋結構模型的釐定以及冷核聚變和水分子記憶功能兩項發現的鬧劇。
  7. One safety catch in his design is its helium coolant.

    這次設計中採用的一個安全措施就是使用氦冷卻劑。
  8. To research in the area of liquid helium cryopump used in nbi system is meaningful for obtaining better beam transportation efficiency. physical parameters and experience are obtained that are very useful in developing cryopumps

    開展中性束注入系統液氦低溫冷凝泵的研究,對獲得優良的束傳輸效率,具有非常重大的意義;並為以後相關應用領域中低溫冷凝泵的設計提供了性能參數和工程經驗。
  9. To research in the area of liquid helium cryopump used in nbi system is meaningful for obtaining better beam transportation efficiency. physical parameters and experience were obtained which is very useful in developing even larger cryopump

    開展中性束注入系統液氦低溫冷凝泵的相關研究,對獲得優良的束傳輸效率,具有積極的意義;並為以後開發更大抽速的低溫泵及相關應用積累了豐富的物理參數和經驗。
  10. Recent experiments have succeeded in obtaining oscillations from the new system, with frequencies of 66hz and 23hz for the cases with helium and nitrogen as the working fluids, respectively. the traveling wave system is expected to be one of the good candidates as a driver for pulse tube refrigerator, leading to a thermoacoustically driven pulse tube refrigerator without any moving component

    還利用deltae對環路部分進行了數值模擬分析,著重討論了系統的起振臨界溫度與臨界加熱功率、效率與加熱溫度的關系、噴射泵的作用以及不同工質(氮氣和氦氣)的比較等,得出一些有益的結論。
  11. Our airboat is 13 mts in length, 2. 7meters in diamter, 35kgs in weight, the bag, clothe base, pigment are from usa, remote control device, motor and helm are from japan, helium which is used as flotage has no poison, no harm, no burn, no exploding

    我們現在的飛艇長13米,直徑為2 . 7米,重35公斤,艇囊,布基,塗料均為美國進口,遙控設備,發動機以及舵機均為日本進口,以氦氣做升空浮力無毒無害不燃不爆。
  12. The discovery also explains why helium is found in radioactive mineral deposits.

    這個發現也解釋了為什麼在放射性礦渣中找到了氦。
  13. Method of elastic - plastic fracture toughness jic testing for metallic materials in liquid helium

    液氦中金屬材料的彈塑性斷裂韌度的jic測試方法
  14. Application of metastable helium atomic beam in nanostructures fabrication

    亞穩態氦原子束在納米結構製作中的應用
  15. They also discovered that the helium in the balloons would last for six hours

    他們也發現汽球中的氦氣有效時限可達六小時。
  16. Aimed at the helium damages in plutonium caused by a decay, he + ions were implanted in aluminum and the behaviors of helium in aluminum were investigated both theoretically and experimentally to simulate those effects in plutonium. at the same time, the diffusion of helium - 3 produced by tritium decay in stainless steels, which were served as the structural materials in tritium and fusion technologies, was also investigated in this thesis

    針對放射性元素鈈的衰變引起的氦損傷問題,選擇模擬材料鋁進行了he的離子注入和其中氦行為的理論和實驗研究,同時,也研究了氚工藝及聚變堆技術結構材料不銹鋼中氚衰變~ 3he的擴散行為,從而對兩種金屬中he的行為有了較深入的認識。
  17. Research on charging of superfluid helium in ams - 02 superconducting magnet

    02超導磁體中超流氦加註過程研究
  18. The sense of this work is to gain a further understanding of helium in the two metals. on the diffusion of helium - 3 in two spherical shell samples made of 21 - 6 - 9 type of stainless steel, during the storage of tritium at the pressure of 6. 13mpa for about 4 and 6 years at room temperature and later exposed to air for another 3 and 1 year. first, a calculation based on the analytical and numerical method to the diffusion and decay theories was developed to evaluate the concentration distribution of helium - 3 by tritium diffusion and decay in the samples

    在不銹鋼氚衰變~ 3he的擴散行為研究中,建立了氚和~ 3he濃度分佈的解析解和數值計算方法,以評估充氚不銹鋼球形容器壁中氚衰變~ 3he的宏觀濃度分佈,同時還用數值計算方法以求解氚和~ 3he的多步擴散行為;對樣品表面逐層蝕刻、同時收集釋放的~ 3he進行分析,分別實測了經室溫條件下在6 . 13mpa高壓氚中貯存4年和6年、空氣中存放3年和1年的兩種21 - 6 - 9不銹鋼球殼樣品內壁中~ 3he濃度分佈;結果表明:由於he在金屬中的不可容性, he原子偏聚于不銹鋼表面以及內部的局部區域,在整體趨勢上, ~ 3he分佈與計算結果相一致,根據理論計算,兩種21 - 6 - 9不銹鋼球殼樣品內壁中~ 3he到達的深度分別為350 m及500 m 。
  19. Inhalation of helium in excessive amounts can cause dizziness, nausea, vomiting, loss of consciousness and death

    過量吸入氬會導致眩暈、惡心、嘔吐、失去知覺和死亡。
  20. The output of light and heat of the sun requires that some 600 million tons of hydrogen be converted into helium in the sun every second

    數十億計的氫原子核在太陽的核心碰撞並且聚變生成氦。在此過程中一部分原本儲存於原子核中的能量被釋放出來。
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