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- Mass spectra fragmentation 质谱断裂
- The fragmentation regularities of mass spectra of these compounds were studied by the magnetic and electric fields link scan and precise mass measurement. 通过磁场／静电场联动扫描和精确质量的测定探索了这类化合物的质谱裂解规律。
- The metabolism of methadone in man has investigated by GC/MS. The mass spectra of the metabolites are presennted and major fragment pathways are discussed. 本文用GC/MS方法,对人尿中美散痛代谢物进行研究,鉴定了美散痛的几个主要代谢物和它们的代谢模式。
- In this paper, five EI mass spectra of imidazo quinoline and imidazo quinoxalinehave been reported. Their fragmentation mode have explained through HR data andrnetastable transition. 本文报道咪唑并喹啉和咪唑并喹啉等五种化合物的EI谱，通过高分辨数据和亚稳跃迁解释了2-氨基-3-甲基咪唑并喹啉的裂解方式。
- UV Laser MPI Spectra and TOF Mass Spectra of Tetramethylsilane[J]. 引用该论文 施德恒;熊永建;陆庆正;余枝广;马兴孝;孔繁敖.
- UV laser MPID time-of-f light mass spectra study on Oxirane[J]. 引用该论文 钱谊乐;方黎;郑海洋;赵亚萍;吴存恺;余技广;秦启宗.
- Its stucture was investigated through IR,1H NMR and mass spectrum. 用红外光谱、核磁共振氢谱和质谱推测了产物的结构。
- Mass spectra of multiphoton ionization of water/methanol clusters[J]. 引用该论文 姜素蓉;张树东;孔祥和;许明坤;蔡廷栋.
- The mass spectra of ureide-type noncyclic polyethers with 2(3H)-benzoxazolone as end groups were studies. 研究了以2（3H）-苯并唑酮为端基、具有酰脲结构的非环多醚化合物的质谱。
- DPT with 15 N atoms were characterized through 15 N NMR spectra and Mass spectra. 给出了有15N标记的DPT分子的15N－NMR和MS测定结果。
- According to their UV and mass spectra,5 of them were preliminarily identified as SAL,DKF,ESF,STVL,FESF. 收集一维馏分,离线注入LC-MS,鉴定出其中含有SAL、DKF、ESF、STVL及FESF 5个小肽。
- Neutral Doped Aluminum Clusters: Generation under Special Source Conditions and their Photoionization Mass Spectra[J]. 引用该论文 翟华金;倪国权;周汝枋;王育竹.
- This paper reports the electron ionization mass spectra(EIMS)of eight 2,4,6trisubstituted pyrimidines derivatives. 本文报道了8个2，4，6-三取代嘧啶衍生物的电子轰击电离质谱。
- The mass spectra of phosphodiamidoates have been studied using positive ion FABMS and negative ion FABMS. 本文讨论一类新合成的磷酰二胺酯的质谱特征。
- Violet Laser TOF Mass Spectra Study on Mudtiphoton Ionization of Tetramethylsilane[J]. 引用该论文 施德恒;熊永建;陆庆正;孔繁敖;余枝广;马兴孝.
- Keywords marine sterol;mass spectrum;fragment; 海洋甾醇;质谱;裂解;
- Integrated approach for manual evaluation of peptides identified by searching protein sequence databases with tandem mass spectra. 质谱鉴定的质量，需要仔细的人工校正。但费时费力，而且校正结果依赖于专家经验。本文用自动的方法进行。
- The structures of the compounds were deduced based on the tandem mass spectra of the main ions, proposed to be fucose-GM1. 经谱图解析后，推断在GM1干粉和中间体中存在的保留值相同的杂质可能是同种组分。
- Mass spectra of proteins such as ribonuclease A(RNase A) and lysozyme were obtained with substantially enhanced abundant peaks of low charge states. 采用核糖核酸A、溶菌酶等样品和商品化的线性离子阱质谱仪对该电离源进行了表征。
- Abstract : The electron impact mass spectra of ten new C2-symmetric chiral bis(oxazoline) and bis(thiazoline) have been studied. 摘要 ： 本文研究了十个新的C2对称的手性双恶唑啉和双噻唑啉等两个系列的电子轰击质谱。
