氦管 的英文怎麼說

中文拼音 [hàiguǎn]
氦管 英文
helium tube
  • 氦 : 名 [化學] helium （2號元素, 符號 he）
  • 管 : Ⅰ名詞1 （管子） pipe; tube 2 （吹奏的樂器） wind musical instrument 3 （形狀似管的電器件） valve;...
  1. 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。
  2. Clinical observation of he - ne laser extravascular irradiation therapy

    氦氖激光血管內照射對急性腦梗塞患者血液流變學等的影響
  3. A fountain of helium spurt out of the tube.

    有一股氦的噴泉從小管中噴出。
  4. Intravascular he - ne - laser irradiation of blood with low - energy for central serous chorioretinopathy

    氦氖激光血管體表照射臨床觀察
  5. Thermal stress analysis of helium cooling lines in control valve box for bepc ssm magnet

    磁體控制閥箱內氦冷卻管線熱應力分析
  6. The general specification of he - ne laser medical instrument for ilib

    氦氖激光血管內照射治療儀通用技術條件
  7. A carrier gas filter system is recommended to be installed on the helium line ( he )

    在氦氣管路前面建議安裝氣體凈化裝置。
  8. The presented thesis studies the gas discharge of lab6 electrodes, the paper analyses the impacts of gas press and electrodes separation on the ignition voltage and voltage drop, and makes low gas pressure, lower than 10pa, discharge switch tubes, with gas of helium and nitrogen, electrodes gaps of 5mm. the paper studies the tubes ’ discharge performances, and the impacts of discharge process on the electrodes

    分析直流工作條件下，以氬氣、氮氣、氦氣為工作氣體時，氣體的壓強、極間距對著火電壓和管壓降的影響，並製作低氣壓（ < 10pa ）下的氣體放電開關管（放電氣體為氮氣和氦氣，極間距為5mm ） ，研究其在直流和脈沖下的放電特性，以及放電過程對電極的影響。
  9. Remark : additional exhaust lines to the system ( the exhaust line for used helium and the line from chamber evacuation pump ) will be required

    備注:另外要求到系統的排氣管線（用於使用后的氦氣和從真空箱抽真空泵的排氣管線） 。
  10. Natural gas - determination of composition with defined uncertainty by gas chromatography - determination of hydrogen, helium, oxygen, nitrogen, carbon dioxide and c1 to c8 hydrocarbons using three capillary columns

    天然氣.用氣相色譜法測定具有規定不定度的成分.用三毛細管柱測定氫氦氧氮二氧化碳和cdown1至cdown8的碳氫化合物
  11. Further experiments of a 4k two - stage pulse tube cooler for operation of a josephson voltage standard

    液氦溫區脈管製冷機的優化實驗
  12. The ultra helium dewars controls are conveniently located on the top, with nesting fill couplings to accept various standard transfer line sizes

    超級深冷液氦杜瓦罐的控制閥組及接頭安裝在頂部，非常便於操作，並可連接各種標準尺寸的軟管。
  13. 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
  14. The tube with helium can work long time and steadily under pulses, with the voltage of 2200v, the peak value of current can exceed 100a

    氦氣放電管在脈沖工作狀態下可以長期穩定放電， 2200v時，峰值放電電流可超過100a 。
  15. Investigations have been made on the influence of the heating power, working pressure, stack packing ratio, and the opening of the orifice valve and the double - inlet valve on the performance of the system

    以氦氣為工質，獲得了119 . 7k的脈管無負荷製冷溫度，在國內首次用熱聲機械進入低溫溫區。
  16. With the helium as the working gas, we attained 119. 7k the refrigeration temperature of the pulse tube. this is the first time that it enters the cryogenic field using the thermocaoustic engine in china. 2 ) the application of binary noble gas on tadptr after the discuss of the possibility of applying binary noble gas on tadptr, we give the way to calculate the prandtl number of the binary noble gas

    混合工質應用於熱聲驅動的脈管製冷機對惰性氣體二元混合工質在熱聲機械中的可能應用進行了探討，給出了混合工質的普朗特數等參數的計算方法，並進行了採用氦-氬混合工質的熱聲驅動脈管製冷機的實驗研究。
  17. Secondly, the cfd method is used to study the flowfields in the laser chamber and the loss of the total pressure in several types of nozzles. the answer shows that reducing the length of the nozzles and the high of the throats in the nozzles can reducing the loss of the total pressure. and the answer also shows that the small nozzles with helium injected in the base region are good for laser chamber pressure recovery

    其次，本文利用cfd技術模擬了光腔流場，研究了幾種噴管的總壓損失特性。研究結果表明，對于平面對稱噴管，減小噴管長度，增加喉道高度有利於減少總壓的損失。用cfd技術對光腔段的模擬表明，採用小尺寸噴管，並且在基區大量注入氦氣有利於激光器壓力恢復。
  18. Vessels and piping should be designed to american society of mechanical engineers ( asme ) specifications or the department of transportation ( dot ) codes for the anticipated pressures and temperatures

    用於氦設施的容器和管道系統要根據預期的壓力和溫度按照美國機械工程師協會（ asme ）或交通部（ dot ）的規定來設計。
  19. 《 observation and nursing care during treatment of headache with hene laser intravascular radiation 》 abstract 48 patient with hypertensive or vascular headache were theated with low energy hene laser intravascular radiation. the result showed that ilib could relieve symptoms greatly, two courses of treatment would be more effective, and no obvious adverse reaction occurred

    提要低能量氦氖激光血管內照射治療高血壓病頭痛及血管神經性頭痛48例，結果顯示此法能較好地緩解癥狀，並且以治療兩個療程（ 10次）為佳，治療過程中無明顯不良反應。
  20. The influence of he - ne laser intravascular irradiation therapy on hemorrheology of acute cerebral infarction patients

    低能量氦氖激光血管內照射治療中心性漿液性脈絡膜視網膜病變療效分析
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