鈾濃度 的英文怎麼說

中文拼音 [yóunóngdù]
鈾濃度 英文
uranium concentration
  • 鈾 : 名詞[化學] （放射性金屬元素） uranium （u）
  • 濃 : 形容詞1. （液體或氣體中所含的某種成分多; 稠密） dense; thick; concentrated 2. （程度深） （of degree or extent） great; strong
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 濃度 : potency; thickness; concentration; consistence; strength; consistency; density
  1. Such unprecedented laxity in india will make it hard to get others ? for example, brazil, which already does some uranium enriching of its own ? to accept the tougher inspections

    對印度這種沒有先例的寬松將很難使像已經進行了一些鈾濃縮的巴西那樣的國家接受更為嚴厲的核查。
  2. This paper introduces the latest progress of high level radioactive waste disposal programs in the world, and discusses the key scientific issues as follows ： ( 1 ) the precise prediction of the evolution of a repository site ; ( 2 ) the characteristics of deep geological environment ; ( 3 ) the behaviour of deep rock mass, groundwater and engineering material under coupled conditions ( intermediate to high temperatures, geostress, hydraulic, chemical, biological and radiation process, etc ) ; ( 4 ) the geochemical behaviour of transuranic radionuclides with low concentration and its movement with groundwater : and ( 5 ) the safety assessment of disposal system

    在介紹國內外最新研究進展的基礎上，重點討論高放廢物地質處置的若干關鍵科學問題：處置庫場址地質演化的精確預測、深部地質環境特徵、多場耦合條件下（中（高）溫、地殼應力、水力作用、化學作用、生物作用和輻射作用等）深部巖體、地下水和工程材料的行為、低濃度超鈾放射性核素的地球化學行為與隨地下水遷移行為及處置系統的安全評價。
  3. Back extraction by hno3 - hf and back extraction by concentrated hnch after lower the concentration of organic phase are studied, the method of back extration by hnorhf can not be used to icp - ms, because some zirconium is hydrolysis when hf is removed by heat. however, the method of back extraction by concentrated nitric acid after lower the concentration of organic phase can be used to icp - ms, the recovery is 93. 2 %, rsd % is 5. 24 %, the decontamination factor of uranium is 3. 2xl04, the detection limit of zirconium is 0. 04ng / ml. the method of tta extracting trace zirconium in uranium is firstly used to icp - ms, the result is satisfied, it can be used to determine zirconium in uranic production quickly and veraciously

    本文通過研究hno _ 3 - hf反萃和稀釋有機相後用濃hno _ 3反萃這兩種分離方法，認為hno _ 3 - hf反萃由於在加熱去除hf時酸度不易控制，導致鋯的部分水解，因而此方法不宜用於icp - ms中，然而稀釋有機相後用濃hno _ 3反萃法用於icp - ms測量中，全程回收率為93 . 2 ，相對標準偏差為5 . 24 ，鈾的一次去污因子為3 . 2 10 ~ 4 ，鋯的測定下限為0 . 04ng / ml ，本文首次將tta萃取分離鈾中鋯用於icp - ms測量中，結果令人滿意，此方法適用於快速、準確測量鈾產品中微量鋯。
  4. Requirements for representative sampling of uranyl nitrate solutions for the determination of uranium concentration

    用於鈾濃度測定的硝酸鈾溶液典型樣品的要求
  5. Test method for uranium and plutonium concentrations and isotopic abundances

    鈾和鈈的濃度和同位素豐度的測試方法
  6. Standard test method for uranium and plutonium concentrations and isotopic abundances by thermal ionization mass spectrometry

    用熱電離質譜法進行鈾和鈈濃度和同位素豐度的標準試驗方法
  7. It ' s a more accurate method in determining the isotopic abundance of uranium. the paper describes the measurement principles that allow accurate measurements to be taken on samples of arbitrary size, shape, and measurement geometry - and of arbitrary physical and chemical composition - through the use of know nuclear decay data ( half - lives and branching intensities ). this method relies on internal gamma - ray peaks from the spectrum under analysis to self - calibrate the unknown spectrum for energy and peak shape

    本工作首次分析了pc fram軟體的演算法並使用高純鍺探測器探測歐共體低濃鈾標準樣品，使用pc fram軟體的預設參數並不能得到準確的富集度值，通過大量的實驗，本工作對鈾富集度測量中的關鍵問題進行了初步的研究並給出了本實驗室條件下準確分析鈾富集度的修正參數和條件。
  8. It is necessary to enrich the fuel by increasing the percentage concentration of uranium-235.

    必須提高鈾235濃度的百分比，使燃料濃集。
  9. For example, two billion years ago ( about when the oklo deposit formed ) uranium 235 must have constituted approximately 3 percent, which is roughly the level provided artificially in the enriched uranium used to fuel most nuclear power stations

    例如， 20億年前（大約是歐克陸礦床形成的時候）鈾235的比率約為3 % ，濃度相當于大多數核能發電廠所使用、人工提煉出的高純度鈾。
  10. The results show that coincidence detection method has obvious benefit in detecting nuclear warheads. for the same type warhead, the coincidence counts rates of the model of warhead of heu pit is 10 times as big as that of fake warhead of natural uranium pit. if we know the nuclear warheads configuration by other methods, the method of coincidence neutron detection could be used to distinguis h the fake nuclear warheads from the reals

    計算表明用探測符合中子的方法探測核彈頭對區分真假核彈頭有明顯的優點，對于同一核彈頭模型，裂變彈芯是高濃鈾和用天然鈾替代高濃鈾時，符合中子計數相差1個量級，如通過其他途徑了解核彈頭的大致結構，符合測量的方法就可以有較高的置信度分辨真假核彈頭。
  11. The concentration of tbh is linearly dependent on the absorbance when the concentration of tbh is 1. 6xlo " 3mol / l - 1. 5xlo " 2mol / l. the relative deviation of the results compared with the result of no u ( vi ) are 2. 5 % when the concentration of u ( vi ) 0. 26g / l

    5x10 - 2mol / l之間時， tbh濃度與吸光度的線性關系良好。樣品中u （ ）濃度低於0 26g l時，比色分析相對無鈾時測定結果的偏差低於2
  12. Determination of thorium in uranium ore concentrate by thorin photometric method

    鈾礦石濃縮物中釷的測定釷試劑光度法
  13. Nuclear energy - measurement of radioactivity in the environment - water - part 1 : measurement of the concentration of uranium in water by fluorimetry

    核能.環境中放射性的測量.水.第1部分:熒光測定法測量水中鈾的濃度
  14. Nuclear energy - measurement of radioactivity in the environment - water - part 3 : measurement of the concentration of uranium in water by alpha liquid scintillation

    核能.環境中放射性的測量.水.第3部分:用液體閃爍法測定水中鈾的濃度
  15. Nuclear energy - measurement of radioactivity in the environment - water - part 2 : measurement of the concentration of uranium in water by inductively coupled plasma atomic emission spectroscopy

    核能.環境中放射性的測量.水.第2部分:感應耦合等離子體原子發射光譜法測量水中鈾的濃度
  16. Determination of zirconium in uranium ore concentrate by xylenol orange spectrophotometric method

    鈾礦石濃縮物中鋯的測定二甲酚橙分光光度法
  17. For the cdznte spectrum with worse resolution, the analysis results show that the method can distinguish high - enriched uranium and low - enriched uranium, and work out the enrichment data in low precision

    對能量解析度較差的cdznte能譜而言，該方法能夠較好地區分高濃鈾和低濃鈾樣品，並在較低的精確度下給出了鈾富集度的數據。
  18. The agency wrote, in a report to the u. n. in april, that the swabs taken from vacuum pumps used at the site turned up the traces

    原子能機構今年4月向聯合國遞交的一份報告說，取自這個中心使用的真空水泵化驗抽樣顯示有高度濃縮鈾的痕跡。
  19. This month, the united states, russia and the iaea worked to return highly - enriched uranium from uzbekistan to a nuclear facility in the russian city of dmitrovgrad

    這個月，美國、俄羅斯和國際原子能機構合作，使一批高度濃縮鈾從烏茲別克斯坦交還給俄羅斯城市德米特羅夫格勒。
  20. In reality the proportion of the hypothetical element was far lower and it took several years to show unequivocally that pitchblende contains at least one highly - radioactive material which is a new element in the sense that chemistry attaches to the term

    實際上這種假設中的元素的濃度要小得多，我們花了幾年時間才明確無誤地證明瀝青鈾礦物質中至少含有一種高放射性物質，在化學意義上這就是一種新元素。
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