Their Mass Spectra show that they are dimers in gas phase.

质谱研究表明这些配合物均以二聚体的形式存在.

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In this paper EI Mass Spectra of five 7 - Piperazing Quinolones were measured.

本文报导了五种7—哌嗪喹诺酮类化合物的EI谱,并讨论了特征碎片离子的裂解规律.

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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.

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The mass spectra of ferrocenyl - ? ? - diketonate chelates of Ti, Zr, Hf ( 1 - 6 ) and substituted ferroceoyl - titanocene complexes ( 7 - 8 ) have been inves - tigated.

本文研究了钛 、 锆 、 铪的二茂铁基β - 双酮螯合物 ( 1～6 ) 和取代的二茂铁基钛茂络合物 ( 7～8 ) 的质谱.

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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FESF5个小肽.

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