碎片譜 的英文怎麼說
中文拼音 [suìpiānpǔ]
碎片譜
英文
fragmentogram-
Standard test method for ignitable liquid residues in extracts from fire debris samples by gas chromatography
用氣相色譜法對火燒碎片樣品的提取物中易燃液體殘渣的標準試驗方法Standard test method for ignitable liquid residues in extracts from fire debris samples by gas chromatography - mass spectrometry
用氣相色譜度譜術對火焰碎片樣品提煉物中可燃液體殘留物的標準試驗方法The identification of the phenylethanoid glycosides in plant extract of cistanche deserticola was based on the comparison of molecular ions, and the fragment ions obtained by ms ( superscript n ) experiments with those of the authentic standards and the data was reported in the literatures
通過得到的分子量和碎片信息並與標準化合物以及文獻中的已知化合物比較，建立了這一類化合物快速鑒定的質譜新方法。The experimental area is selected in badaling region of beijing with the destruction of forest aspect and complex topography. for this reason, the following multi - remote - sensing information sources are selected : etm ( including tm ), spot4 ( panchromatic ), spots ( panchromatic and multi spectral ), ikonos ( panchromatic and multi - spectral ) and digital aerial photographs
實驗區選擇在林相破碎、地形復雜的北京八達嶺地區，為此選擇了etm （包括tm ） 、 spot4 （全色） 、 spot5 （全色和多光譜） 、 ikonos （全色和多光譜） 、數字航空像片等多遙感信息源。According to the exact masses and corresponding elemental compositions of molecular ion and eight characteristic ions, a possible fragmentation pathway of the ferulic acid molecule was proposed, by which the molecular structure was confirmed
根據質譜提供的分子離子和8個特徵碎片離子的精確質量和相應的元素組成，提出了阿魏酸分子的裂解途徑，結合譜圖檢索，從而確認該分子的結構。The structures of phenylethanoid glycosides in plant extract of cistanches deserticola were successfully analyzed and identified by electrospray ionization multi - stage mass spectrometry ( esi - ms ( superscript n ) ) in negative mode, some interesting neutral losses were found, which helped us to confirm the structures of compounds without tedious separation and purification procedures, then the fragmentation mechanisms were explored
摘要採用電噴霧多級串聯質譜技術，對肉蓯蓉藥材粗提物中的苯乙醇苷類化合物的特徵質譜行為進行了系統研究，根據一些特徵的中性碎片丟失，提出了該類化合物的質譜裂解規律。分享友人