uranium x 中文意思是什麼

uranium x 解釋

  • uranium : n. 【化學】鈾 （U）。 fertile uranium 鈾238。
  • x : X2＝ （羅馬數字）10 XX ＝ 20 IX ＝ 9 XV ＝ 15 XL ＝ 40 LX ＝ 60 XC ＝ 90 DXL ＝ 540 MX ＝ 1010 ＝...
  1. In this work, a method is brought out to determine the uranium enrichment by analyzing the cdznte spectrum in 88 - 100kev region, through the y - rays and x - rays emitted from uranium isotopes and their daughters. a code is developed, and the method is verified through its analysis results

    本工作通過對鈾的cdznte能譜進行分析，提出了一種利用鈾及其衰變子體在88 - 100kev能區的射線和特徵x射線來粗略測定鈾富集度的一種方法，並開發了能譜分析程序，通過分析結果初步驗證了該方法的可行性。
  2. Uranium isotopes and their daughters emit - rays and x - rays during the decay process, their peak area and relative efficiency can be calculated through spectrum analysis

    在衰變過程中，鈾及其衰變子體放射出射線和特徵x射線，通過能譜分析可以求出它們的峰面積和相對探測效率。
  3. Determination of the uranium and plutonium content in nitric acid solutions by wavelength dispersive x - ray fluorescence analysis

    硝酸溶液中鈾含量和鈈含量的測定.波長分散x射線熒光
  4. Standard test method for determination of uranium in mineral acids by x - ray fluorescence

    用x射線熒光法測定無機酸中鈾的標準試驗法
  5. Standard practice for sample preparation for x - ray emission spectrometric analysis of uranium in ores using the glass fusion or pressed powder method

    使用玻璃熔化或壓制粉末法制備礦石中鈾的x射線發射光譜分析用樣品的標準實施規范
  6. Standard test method for the determination of uranium or gadolinium, or both, in gadolinium oxide - uranium oxide pellets or by x - ray fluorescence

    用x射線熒光法測定氧化釓和氧化鈾顆粒中鈾和或釓的標準試驗方法
  7. The structure of triuranuim octaoxide ( u3o8 ) and the oxidation of uranium metal were studied by x - ray diffraction ( xrd ) and rietveld method in different partial pressure of oxygen and temperatures

    本論文利用x射線衍射（ xrd ）並結合rietveld方法較系統地對金屬鈾和八氧化三鈾（ u _ 3o _ 8 ）在不同溫度、壓力條件下的表層氧化情況和結構變化進行了分析研究。
  8. The corrosion resistance of uranium surface treated with supercritical carbon dioxide ( scco2 ) has been studied by weight gain method and electrochemical method. the reaction product and surface element species have been studied by x - ray diffraction ( xrd ) and auger electron spectroscopy ( aes ) methods. the interaction mechanism of supercritical carbon dioxide with uranium surface by thermodynamics method was also studied

    本論文用重量法、電化學研究方法評價了金屬鈾經超臨界co _ 2處理后的表面抗腐蝕性能，用aes 、 xrd等分析手段研究了超臨界co _ 2與金屬鈾表面的相互作用機理，並從熱力學角度對超臨界co _ 2與金屬鈾反應的可能性進行了研究。
  9. Standard test method for analysis of uranium and thorium in soils by energy dispersive x - ray fluorescence spectroscopy

    用能量色散x射線熒光光譜法分析土壤中鈾和釷的標準試驗方法
  10. The specimens of uranium flat were heated in air, oxygen or low pressure, to investigate the formation of uo2 + x and u3o8 on the surface layer of specimens. the processes of oxidation to uo2 + x and u3o8 were analyzed by xrd to determine the extent of surface layer oxidation and the structure of oxidations. the xrd patterns were fitted by rietveld method to refine the structure of different phases and to calculate quantificationally

    對金屬鈾表層在大氣環境中的氧化情況進行分析研究，結果表明：所有溫度條件下，金屬鈾的氧化都是在表層形成一定厚度的uo _ （ 2 + x ） ，只有在較高的溫度條件下（如300 ）氧化物才會進一步轉化為u _ 3o _ 8 。
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