mass-spectrum 中文意思是什麼

mass-spectrum 解釋
質譜
  • 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 ...
  • spectrum : n. (pl. -tra )1. 【物理學】譜,光譜;波譜;能譜,質譜。2. 【無線電】射頻頻譜;無線電(信號)頻譜。3. 【心理學】(眼睛的)余像;殘像。4. 〈轉義〉范圍,幅度;(連續的)系列。
  1. This article introduces the synthesis method of 12 - aminododecanoic acid, and it was molecularly characterized by means of the spectrograms of mass spectrum, infrared spectrum and nmr of 12 - aminododecanoic acid

    摘要主要介紹了12 -氨基十二酸的加氫方法,並利用質譜、紅外光譜、核磁共振等手段對加氫產物進行分子表徵。
  2. A lot of mercury granules were found primarily in antennal gland by transmission electron microscope and mass spectrum analysis. mercury granules were found in the lysosome of the cell of antennal gland, and were transited to lumen by apocrine secretion

    日本沼蝦的觸角腺內具有大量的汞顆粒;汞顆粒沉積在細胞內的溶酶體中,汞顆粒通過頂端分泌排出細胞並積聚在觸角腺的管腔內。
  3. This paper concentrates steranes and terpanes in high mature - over mature oil and source rock using distillation method and identifies with column chromatography and chromatography - mass spectrum, achieving better identification effect

    用精餾法對該類原油和生油巖中的甾萜類化合物進行富集,然後通過柱色層分析和色譜質譜鑒定,得到了較為理想的甾萜類化合物鑒定效果。
  4. Moreover, the mass spectrum analysis of the hydrolyzed water soluble products of phb powder after treatment of enzyme was performed and the main product was identified to be dimers

    一些金屬離子對phb解聚酶有抑制作用。質譜儀測得酶降解phb的產物主要是二聚體。
  5. The selection of the desired species(element, isotope, and charge state)is certified by the signature of the entire mass spectrum.

    所需物質(元素、同位素及電荷態)的選擇,被全部質譜的信號特徵所證實。
  6. Background mass spectrum

    本底質譜圖
  7. Analysis of volatile and semi - volatile components in cut tobacco by thermal desorption - gas chromatography - mass spectrum technology

    氣質聯用技術分析煙絲中揮發及半揮發性成分
  8. Its stucture was investigated through ir, 1h nmr and mass spectrum

    用紅外光譜、核磁共振氫譜和質譜推測了產物的結構。
  9. Ion mass spectrum and its application continue

    離子質譜及其應用續
  10. Chemical analysis methods for non - rare earth impurities of rare earth metals and their oxides - determination of molybdenum and tungsten content - inductively coupled plasma atomic emission spectrographic method and inductively coupled plasma mass spectrum method

    稀土金屬及其氧化物中非稀土雜質化學分析方法鉬鎢量的測定電感耦合等離子體發射光譜法和電感耦合等離子體質譜法
  11. Abstract : the fraction compositions, group compositions and structure compositions of seve n catalytic stocks were determined by means of vacuum distillation, mass spectrum, element analysis and molecular mass measurement

    文摘:採用減壓蒸餾、質譜分析、元素分析和分子質量測定對遼河原油的7種催化原料油進行了餾分組成、族組成和結構族組成的分析。
  12. Steranes and terpanes exist in saturated hydrocarbon component of oil and source rock, and they are usually identified by gas chromatogram - mass spectrum

    甾萜類化合物存在於原油和生油巖的飽和烴組分中,通常用色譜質譜法鑒定。
  13. The highest concentration of mercury was found in the antennal glands by mass spectrum analysis

    質譜分析表明,觸角腺中汞的含量最高。
  14. A novel low molecular compound which was effective to heart is isolated from the venom of the spider through two times reverse phase high performance liquid chromatography. its exact molecular weight is 147da determined by esi mass spectrum

    採用兩次反相高效液相色譜從虎紋捕鳥蛛中分離出一種相對分子質量為147da的成分,命名為hwtxs - 。
  15. O was identified by mass spectrum. out of three diesters two are novel

    3個二酯中,有2個未見文獻報道。
  16. Ring - down mass spectrum of no

    一氧化氮的衰蕩質譜
  17. The distribution and accumulation of three kinds of heavy metals including lead, copper and mercury in tissues and cells of several organs, and their effects on activity of digestive enzymes and alkaline phosphatase of macrobrachium nipponense were studied with light microscopy, transmission electron microscopy, cytochemical method, atom absorption spectrum, mass spectrum analysis and enzyme analytical method

    本文應用組織學、組織化學、透射電鏡、原子吸收光譜分析和酶學分析等方法,研究了鉛、銅、汞等三種重金屬在日本沼蝦各主要器官細胞內的分佈和積累以及對日本沼蝦消化酶和堿性磷酸酶活性的影響。
  18. With calculating one can observe the n * ( 1440 ) resonance peak obviously in the invariant mass spectrum of n system, and in daliz plots the event number distribution is density, there are no such phenomenons in other composed systems. all of these things we have got will be helpful to the imminent experimental detection

    通過計算我們可以得到末態各個粒子各種可能的信息,在n的不變質量譜上有明顯的共振峰出現,在達里茲圖的相應位置處事件分佈密集,而在其它組態中卻沒有這種現象,這都說明了n ~ * ( 1440 )的產生。
  19. A review with 37 references is given on the recent progress of selenium species analysis with emphases to the methods of separation and examination technology, e. g, chromatography, the hydride genetic method, inductive coupling plasma mass spectrum, the atomic spectrum

    摘要對近年來有關硒的形態分析的發展作了綜述,對新的分離方法如色譜法、氫化物發生法、毛細管電泳和新的檢測技術如電感藕合等離子體質譜、原子光譜給予較多的關注。
  20. Chemical analysis methods for non - rare earth impurities of rare earth metals and their oxides - determination of thorium content - arsenazo iii spectrophotometric method and inductively coupled plasma mass spectrum method

    稀土金屬及其氧化物中非稀土雜質化學分析方法釷量的測定偶氮胂iii分光光度法和電感耦合等離子體質譜法
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