hydrogen isotope 中文意思是什麼

hydrogen isotope 解釋
氫同位素
  1. An isotope of hydrogen with one proton and one neutron in the nucleus having an atomic weight of2. 014

    氘氫的一種同位素，在其原子核內有一個質子和一個中子，其原子重量為2 。 014
  2. 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。
  3. From the study of hydrogen - oxygen isotope in enclosure liquid, some water conies from magma, others come from atmosphere precipitation

    包裹體水的氫氧同位素研究表明成礦流體中既有巖漿水，又有大量大氣降水加入。
  4. Carbon, hydrogen oxygen isotope studies on imbedded old tree ring and paleoclimate reconstruction

    埋藏古木樹輪碳氫氧同位素研究與古氣候重建
  5. Tree ring is a kind of natural archives, on which the isotopic analysis is important to study global climate and environmental change. the authors mainly provide a comprehensive introduction to the fractionation models of carbon, hydrogen and oxygen isotope in plants, their research techniques and the extract methods from cellulose. that results show isotopic tracer can record the message of climatic variation and has become a powerful tool for paleoclimate reconstruction and for the modern environment changing research. especially studying on pages, the cellulose isotopic analyses of imbedded old tree ring have become the mainly quantitative means of environmental evolvement. in addition, china is a typical monsoon country, research in tree ring stable isotope seasonal variation can give us a lot of important information on that. up to now, the research techniques and works on tree ring in our country are still in its earlier stage, and remain many limitations. it needs further accumulate basic research materials, intensify regional contrast and intercross studies on relative subjects

    尤其是在過去全球變化pages研究中，埋藏古木纖維素中的碳氫氧同位素分析已成為環境演化研究的主要量化手段。另外，對于中國這樣典型的季風氣候國家，開展樹輪穩定同位素隨季節性變化的研究具有重要的意義。我國在樹輪研究方面起步較晚，研究方法和研究內容上也比較簡單，還存在不小差距，既要進一步積累基礎資料，又要做區域對比，加強與相關學科的交叉研究。
  6. 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。
  7. Up2h up1h method for determination of stable hydrogen isotope ratio of water from fruit juices, using isotope ratio mass spectrometry

    利用等離子比質譜測量法測定果汁水中穩定氫等離子比
  8. This is composed of a mixture of deuterium ( a rare isotope of hydrogen ) and lithium ( a light metal )

    核彈的主體部位由一種氘與鋰的混合物組成，氘是一種稀有的氫元素的同位素，而鋰則是一種輕金屬。
  9. However, only limited data have been available for hydrogen isotope system, so there is not a rigorous thermodynamics model which can accurately predict thermodynamic properties and phase equilibrium of hydrogen fluid by now

    然而，由於氫同位素物系的一些特殊性，使氫溶液的汽液平衡數據很難測得，到目前為止，還沒有一個可以準確描述氫溶液的熱力學模型。
  10. H h method for determination of stable hydrogen isotope ratio of water from fruit juices, using isotope ratio mass spectrometry

    使用同位素比值記錄質譜分析法對水果中水的穩定氫同位素比值
  11. According to the comparison and analysis of mineral composition and geochemical characteristics of trace element, sulfur isotope, hydrogen and oxygen isotope, lead isotope and rare earth element in the gold ore and the altered spilite from the deposits of huachanggou gold mine, it was confirmed that the gold ore had obvious succession of the basic igneous rock

    摘要通過對鏵廠溝金礦床金礦石和蝕變細碧巖礦物組成、微量元素、硫同位素、氫氧同位素、鉛同位素及稀土元素地球化學特徵地對比分析，得出金礦石對該基性火山巖存在明顯的繼承性。
  12. To deal with gas separaion at high pressure and high temperature, inoghc membranes are used widely in the ligh of the production and the uitrahigh purity of hydrogen isotope requlred by some special professions and the defects of the current einpoyed membranes separation technology the preparation teehnology of high h - permselective membrane

    在涉及高溫、高壓環境下的氣體分離中，主要使用的是無機膜分離技術。針對特殊行業對氫同位素氣體處理量及超高純度的需求和現有膜分離技術存在的問題和不足，創新性地提出了利用耐熔金屬鋯等對氫的高滲透性，制備高選擇滲氫膜的分離技術。
  13. Lmpa, the relationship is f di = l 55xl0 - " e47j l t ) in this range, the relative error of the hydrgen permeabilty bbeen the experimental values and the formula values are less than 3 %, the durability test showed that after the cycle experiments of prcssure and tempebe for 30 days, the perfrmance of the membran did not change, at last, the theory of hydrogen permeaton was discussed, too. through this work, the pfepared surf ases modified zirconium memran can satisfy the requirement of the purity and the permeating fiux of hydrogen isotope gas

    Imp范圍內，鋁表面改性選擇滲氫膜的數學表達式為： （ 1320 i 155x10 」 exd l 「 t ）在這個溫度和壓差范圍內，滲氫系數的實驗數據計算值與數學公式計算值的誤差在3以內；鉻表面改性選擇滲氫膜的壽命考核實驗表明，經過連續30大的循環溫度、壓力實驗，膜的質量、性能無變化；並討論了膜的滲氫理論。
  14. We know this because the ice in the comets contains twice as many atoms of deuterium ( a heavy isotope of hydrogen ) to each atom of ordinary hydrogen as we find in seawater

    因為我們知道彗星上冰的氛原子（氫的一種重同位素）與氫原子（現代海水中常見的氫原子）的比值是海水的兩倍。
  15. The analyses of oxygen and hydrogen isotope indicate that the hydrothermal fluid is dominated by magmatic water with input of a lot of meteoric and underground water in the later stage

    包裹體的氧、氫同位素特徵表明，成礦熱液雖以巖漿水為主，但在晚期有較多天水及地下水的混入。
  16. A rigorous thermodynamic model which can be used in simulation of hydrogen isotope - separation by cryogenic distillation is then obtained

    可作為低溫精餾分離氫同位素的一個嚴格的熱力學模型。
  17. 2. the rigorous thermodynamic model has been applied to study the characteristics of cryogenic distillation column having feedback stream with hydrogen isotope system in steady state

    2 、應用嚴格的熱力學模型研究了帶有側線循環及平衡反應裝置的氫同位素低溫精餾塔的穩態分離特性。
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