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- Some of fragment ions probably results in Mclafferty rearrangment. 其中许多碎片离子是由麦氏重排而得。
- Decay curves of metastable fragment ions is also obtained by means of ion energy loss scans spectroscopy. 利用离子能量损失扫描谱,得到亚稳态碎片离子的衰变曲线。
- Much structure information is obtained on the base of the molecular ion MH+,the additive ions [M+ 73]+ and the pyrrolic fragment ions. 通过分子离子MH+，加合离子（M十73）+，以及吡咯环碎片离子可获得丰富的结构信息。
- Some thermo-unstable or nonvolayile nitrocompounds were analyzed by DEI-MS and signi-ficant molecular ion peak was obtained, and structural information was offered by fragment ions. 采用DEI-MS技术分析了一些热不稳定难于气化的硝基化合物,得到了明显的分子离子峰,并由碎片峰提供结构信息。
- The enrichments of leucine, lactic acid and glucose were calculated by intensity ratios of different fragment ions. 最后的衍生物用GC/MS分析，通过计算各衍生物中特征离子的强度比，测得脓毒症兔血样中三种代谢物的同位素丰度比。
- A series of typical fragment ions were obtained by in-source collision-induced dissociation(CID). RESULT:The quasi-molecular ions were 1209.7 (M+H) + and 1231.6 (M+Na) + . The double-charge ions were 605.4 (M+2H) 2+ and 616.5(M+H+Na) 2+ . 结果 :测得亮丙瑞林准分子离子峰 (M +H) + m/z 12 0 9 7及 (M +Na) + m/z 12 31 6 ,(M +2H) 2 + m/z 6 0 5 4及 (M +H +Na) 2 + m/z 6 16 5 ,表明亮丙瑞林的分子量为 12 0 8 7,与理论值一致。
- In the case of H_2~+ molecule, the explosion dynamics is dominated by the bare Coulomb repulsion and it mostly proceeds in the longitudinal direction, accompanied with the radially constrained oscillations of the fragment ions. 对于氢分子离子，裸库仑力导致了库仑爆炸过程，库仑爆炸的过程主要发生在纵向，并且分离开的每个离子在管壁之间来回振荡。
- A VUV soft ionization source was adopted in the mass spectrometer, which can avoid the formation of fragment ions and analyze volatile organic compounds in ambient air without pre-separation. 仪器采用了软电离方式,避免了碎片离子峰的形成,便于对污染环境中挥发性有机物的解析。
- These bullets fragment on impact. 这些子弹射中物体时爆炸成碎片。
- A disconnected piece; a fragment. 不相连的一块; 片段
- A fragment of dried animal dung used as fuel. 干粪块一块用作燃料的干燥过的动物粪便
- We sailed from Perth with a cargo of raw ion. 我们装着一船生铁从佩思启航。
- A thin or faint streak or fragment, as of smoke or clouds. 一缕薄或微弱的条纹或碎片，如烟、云等
- fragmental ion 零碎离子
- Both of these particles can produce ion pairs. 这两种粒子都能产生离子对。
- I heard only a fragment of their conversation. 我只听到他们谈话的只言片语.
- Computers are now widespread ion China. 如今，计算机在中国被广泛应用。
- The crystals were cleaned by argon ion bombardment. 结晶体由氩离子轰击而净化。
- Policemen owns only some fragmental evidence. 警方仅有一些支离破碎的证据。
- The hydroxyl ion has a negative charge. 氢氧根离子有一个负电荷。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
