1) Meta pathways
间裂途径
3) Ortho pathways
邻裂途径
4) fragmentation pattern
裂解途径
1.
The mass spectra were interpreted mainly by comparing the fragments of six compounds, and their fragmentation patterns were proposed.
采用电喷雾离子阱质谱法(ESI—MS)对不对称全合成左旋士的宁的六种中间体进行了深入探讨,获得了它们的结构碎片信息,通过比较它们的异同对其质谱裂解途径进行解析。
2.
The characteristic ions and fragmentation patterns of shikimic acid were discussed by EIMS,ESIMS and MS/MS.
探讨该化合物的质谱特征离子与裂解途径,提供莽草酸的质谱学基础。
5) Fragmentation
[英][,frægmən'teiʃən] [美][,frægmən'teʃən]
裂解途径
1.
The mass spectral fragmentation was proposed on the basis of the high resolution mass spectrometry and the B/E linked scan spectra.
根据高分辨质谱及联动扫描质谱揭示了该类化合物的质谱裂解途径，结果表明该类化合物均能出现较强的分子离子峰，其基峰为［PhCO］＋，裂解主要发生在数基的a-位，而硫羰基的a－位不发生断裂。
2.
To investigate the fragmentation mechanism of fluroquinolones,six compounds of fluroquinolones were analyzed using electrospray ion trap mass spectrometry by collision induced dissociation in a multi-stage MS full scan mode.
获得了各化合物的多级质谱信息,通过比较各化合物结构和质谱裂解途径的异同点,发现氟喹诺酮类化合物在正离子检测方式下可生成脱CO2、HF和CO的碎片,分别与结构中的羧基、氟原子取代基和4位羰基结构片断相对应,如果结构中7位取代基为哌嗪环,还可以生成脱CH2=CH-NH2的碎片。
6) fragmentation pathway
断裂途径
1.
In the light of the spectra the fragmentation pathways are proposed,and several novel ion fragments are observed,which posses 16 atom mass units small than that from normal unimolecular decomposition reaction, exactly corresponding to the result of replacement of a sulfur atom by an oxygen atom in and [Co2 (C6H4S2)2].
本文报道簇合物的快原子轰击质谱研究，提出了标题簇合物的可能断裂途径。
补充资料：感觉传导途径 3痛觉、温度觉传入途径示意图
李瑞端绘
[图]
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条