1) proton magnetic resonance spectroscopy(1H-MRS)
氢质子磁共振波谱(H-MRS)
2) ~1H Magnetic Resonance Spectroscopy (~1H MRS)
质子磁共振波谱(~1H MRS)
3) Nuclear magnetic reasonance spectroscopy
磁共振谱(MRS)
4) Proton magnetic resonance spectroscopy
氢质子磁共振波谱
1.
Proton magnetic resonance spectroscopy(H-MRS) is a noninvasive method to measure biochemical metaboilic level of tissues and cells in vivo,which plays an important role in the early diagnosis and precise staging of intracranial tumor.
氢质子磁共振波谱(1H-MRS)分析是一种检测体内组织、细胞生化代谢水平的无创性方法,它在颅内肿瘤的早期诊断、准确分期中有着重要价值。
2.
Objective To investigate the application of proton magnetic resonance spectroscopy (1H-MRS) in detecting the biochemical metabolism in children with febrile seizure(FS), and to evaluate the information of brain injury and study the clinical significance of 1H-MRS in FS.
目的应用氢质子磁共振波谱(1H-MRS)检测热性惊厥(FS)患儿脑组织生化代谢物,了解FS发作后脑损伤情况,探讨1H-MRS在FS中应用的意义。
3.
Objective To investigate changes of proton magnetic resonance spectroscopy(1H MRS) in Alzheimer disease(AD) and mild cognitive impairment(MCI) in comparisonwith senior volunteers who have normal cognitive(NC).
目的研究Alzheimer病(AD)、轻度认知障碍(MCI)患者的氢质子磁共振波谱的改变,并与认知正常的老年志愿者(NC)进行比较。
5) proton magnetic resonance spectroscopy
氢质子磁共振波谱分析
1.
Objective To investigate the change of proton magnetic resonance spectroscopy(~(1)H-MRS) in (patients) of Alzheimer disease(AD) and compaired with normal cognition(NC).
目的研究Alzheimer病(Alzheimerdisease,AD)的氢质子磁共振波谱分析改变,并与认知正常的老年志愿者(normalcognition,NC)进行比较。
补充资料:13C 磁共振谱
13C(核自旋量子数I为1/2)在静磁场中能级分裂和从射频电磁波吸收能量由低能级跃迁至高能级而产生的磁共振谱,与质子磁共振谱相似,但有以下差别:①它在高能级的寿命较长,限制了使之进行跃迁的射频电磁波的功率;②磁共振的灵敏度与旋磁比γ 的三次方成正比,而,致使13C磁共振是1H磁共振的灵敏度的1/64;③13C的天然同位素丰度为1.1%,而1H则为99.8%,所以它的灵敏度又要比1H磁共振低两个数量级;④13C磁共振谱的分辨能力高,其化学位移范围为600微克(1H磁共振的仅为20微克),从而对分子量为300~500的有机化合物几乎可分辨每一个13C峰,这在1H磁共振中决不可能。从13C磁共振可以观测不与质子相连的基团,如C=O、C呏N等基团。
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