gas mass spectrometer 中文意思是什麼

gas mass spectrometer 解釋
氣體質譜計
  • gas : n （pl gases ）1 氣，氣體，氣態 〈cf fluid; solid〉 2 可燃氣，煤氣，沼氣；【礦物】瓦斯。3 【軍事...
  • mass : n 彌撒；彌撒的儀式[禱告、音樂]；彌撒曲。 a high [solemn] Mass （有燒香、奏樂等的）大彌撒。 a low ...
  • spectrometer : n. 【物理學】分光儀，分光計。 a mass spectrometer 質譜儀。 a sound spectrometer 聲頻頻譜計。
  1. The understanding of biogeochemical cycle of hydrogen, oxygen, carbon, nitrogen, and sulfur elements in nature ecosystem have increased substantially in the past two decades owing to the improvement of gas isotope ratio mass spectrometer and the wide application of isotopic studies with these elements

    摘要近20年由於氣相同位素比值質譜儀的改良和氫、氧、碳、氮和硫等穩定同位素的廣泛研究，穩定同位素的研究技術已實質增加我們對于這些元素在自然生態系中生地化循環的了解。
  2. Figure b shows a scheme of a mass spectrometer coupled to a gas chromatograph.

    B是氣相色譜與質譜聯用的框圖。
  3. Isotopic analysis of uranium by single - standard gas mass - spectrometer method

    單標準氣體質譜法鈾同位素分析
  4. To let more domestic relevant researchers understand the applicable techniques of stable isotopes, this article not only introduces the principles of isotopes measurements by gas isotope ratio mass spectrometer, but also integrates the experiences of hydrogen, oxygen, carbon, nitrogen, and sulfur isotopes in agriculture and environmental applications that were described in papers

    為讓國內更多相關研究人員了解穩定同位素技術的可利用性，本文描述氣相同位素比值質譜儀之分析原理，及整理氫、氧、碳、氮和硫等同位素在農業及相關生態環境研究上應用的文獻。
  5. Standard test methods for leaks using the mass spectrometer leak detector or residual gas analyzer in the tracer probe mode

    在示蹤探針法中用質譜儀檢漏器或殘余氣體分析器作泄漏檢驗的測試方法
  6. Standard test methods for leakage measurement using the mass spectrometer leak detector or residual gas analyzer in the hood mode

    用罩式質譜探漏儀或殘余氣體分析儀作檢漏測量的標準試驗方法
  7. Figure b shows a scheme of a mass spectrometer coupled to a gas chromatograph

    B是氣相色譜與質譜聯用的框圖。
  8. As huygens floats through the orange haze, the probe ' s gas chromatograph and mass spectrometer ( gcms ) will analyze the composition of the atmosphere

    惠更斯號一面在橘色的霾霧中飄移，探測器上的氣相層析質譜分析儀（ gcms ）將一面分析其大氣組成。
  9. They used liquid and gas chromatography to fractionate the sample into its molecular constituents ; an electron beam then fragmented the separated molecules in a mass spectrometer to produce a spectrum indicating the basic chemical components

    他們運用液相與氣相層析法，將樣本的組成分子分開，然後導入質譜分析儀，以電子束使已分離的分子斷裂，進而產生出可識別基本化學組成的圖譜。
  10. The prepared sdse modified zirconum meinbrane was tested at the wider range of tcmperaure and pressure and differellt composihons of hydrogen mixturc gases ( i. e. different hydrgen panal pressure ) in order to examine the performance of this membrane and the sole hpermselechvity of the membrane. the results showed tha the purity of the permeated hydrgen is l00 % at the base of the detection greatest lower lanit of the qhle mass spectrometer, and there was no impurity gas passed, the permeating flux and permeability of this membrane are from several decades times to one decade times more higher than tha of a palladum membran in the range of from 593k to 773k, puv = 0. 2 ~ 0. 3mpa, pdn = 4x l04pa - - 0. lmpa, the hydrogen permeatng flux is increased with the difference of the squto root of pressure, and presents a linear relationship, the pressure seems has no influence on the permeablity, the permeabi1ity is decreased with the increasing of the temperature, and presents an exponential relationship, accondng to the fitting curve of the relationship betwen the permeability and the temperatur derived from the experimenta daa, in the range of 593k ~ 773k, pup0. 2 ~ 0. 3mpa, pha = 4 x l0 # pa ~ 0

    在更寬的溫度范圍、壓差范圍內，在不同原料氣組成（即不同的氫氣分壓）條件下，對所制備的鋯表面改性膜進行了滲氫性能實驗，考核了膜對氫的唯一選擇滲透性，結果表明：在四極質譜的檢測下限內，只有氫氣存在，而無雜質氣體通過；在593k 773k溫度范圍內，鋯表面改性選擇滲氫膜具有高於鈀膜數十倍至十幾倍的滲氫流量和滲氫系數；其滲氫流量隨著膜兩側氫分壓平方根摘要差的增大而增大，並且呈線性關系；壓力對膜的滲氫系數幾乎無影響；膜的滲氫系數隨著溫度的升高而下降，井巨呈指數關系：根據對實驗數據所作滲氫系數與溫度關系曲線的擬合，在溫度593k 773k范圍內，壓差p 、 0二0
  11. There are a few basic elements to a mass spectrometer : an inlet to introduce the sample gas into the vacuum of the mass spectrometer, an ion source to convert the sample gas molecules into positively charged ions, a mass filter to separate the ions using magnetic or electric fields and a detector that quantifies the amounts of ions at different masses

    質譜儀的幾個基本組成部分：將樣品引入質譜儀的進樣系統，將氣體分子轉變為正離子的離子源，使用磁場或電場分離離子的質量分析器，對不同質量數離子定量的檢測系統。
  12. Standard test method for isotopic analysis of uranium hexafluoride by single - standard gas source mass spectrometer method

    用標準氣體源質譜法進行六氟化鈾的同位分析的標準試驗方法
  13. Standard test method for isotopic analysis of uranium hexafluoride by single - standard gas source multiple collector mass spectrometer method

    用單支架氣體源多收集器質譜儀法進行六氟化鈾的同位素分析的標準試驗方法
  14. Standard test method for isotopic analysis of uranium hexafluoride by double - standard multi - collector gas mass spectrometer

    用雙支架多收集器氣體質譜儀進行六氟化鈾的同位素分析的標準試驗方法
  15. Gas chromatograph - mass spectrometer

    氣相色譜
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