氦弧 的英文怎麼說

中文拼音 [hàihú]
氦弧 英文
heliarc
  • 氦 : 名 [化學] helium （2號元素, 符號 he）
  • 弧 : 名詞1. [數學] （圓周的任意一段） arc2. （古代指弓） bow
  1. A production rate as high as 15 % is obtained under the condition of 150torr helium partial pressure, 300a arc current and quick electrode approaching speed as soon as possible. 2

    在盡可能快的推進石墨棒的條件下，弧電流300a 、氦氣壓150torr 、無氦氣流時c _ （ 60 ）粗品的產率最高，約為15 ； 2
  2. When the helium content in the tri - mixed gas excesses 75 %, the arc presents the characteristic of helium

    氦的體積分大於75 %時，其電弧形成具有氦弧的性質。
  3. Carbon nanotubes were produced in an electric arc discharge with an anode composed of carbon. the productions were studied in different current, voltage, helium pressure and diameter of anode and cathode sticks. oxygen and steam in helium were discussed. the proper condition of producing carbon nanotubes is included to make purification easy. 2figs., 2tabs., 6refs

    採用石墨電弧法制備碳納米管，研究了不同電流、電壓、氦氣壓力以及不同陰陽極棒徑條件下碳納米管的生成情況，並討論了氧氣和水蒸氣的存在對碳納米管制備的影響，總結出制備碳納米管的條件，給以後的純化工作帶來方便.圖2 ，表2 ，參6
  4. The arc physical characteristic of mixed gases ( ar + he + co2 ) and its effects on weld shaping were discussed

    摘要採用鎢極氬弧焊對不同比例氬氦二氧化碳混合氣體的電弧物理特性及其焊縫成形進行了實驗。
  5. This paper presents the effects of some features on the productivity of raw c60 materials, such as distance and approaching speed of electrodes, helium partial pressure and arc current etc. then we separate and purify the raw materials and obtain pure solid c60 of 99. 9 % and compare the purification efficiency and effect of different fluxion phase and fixed phase and discuss the effects of the experimental conditions, such as the depositing speed, the type of the substrate, the surface structure of the substrate and the temperature of the substrate. finally, we use xps, afm, ultraviolet, infrared and raman to analyze the component, structure and feature of the films qualitatively and quantitatively

    本文首先研究了氦氣分壓、弧電流大小、電極間距以及電極推進速度等實驗條件對制備c _ （ 60 ）粗品產率的影響；接著選用柱色譜法分離提純得到了純度大於99 . 9的c _ （ 60 ）固體，比較了不同流動相和固定相的提純效率和效果；然後採用自己改進后的真空鍍膜機，利用電阻式加熱蒸鍍方法，得到了純c _ （ 60 ）薄膜和不同摻雜比的銀摻雜薄膜；探討了沉積速率、襯底種類、襯底表面結構以及襯底溫度等實驗條件對薄膜結構的影響；最後通過xps ， afm ，紫外，紅外，拉曼對薄膜的成分、結構和特性作了定性和半定量分析。
  6. When the helium content is less than 45 %, the character of tri - mixed gas has no evident difference compared with that of argon

    混合氣體中氦氣的體積百分比小於45 %時，其電弧特性與氬弧差別不大。
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