2) 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。
3) 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。
5) ~1H-Magnetic resonance spectroscopy
氢质子磁共振波谱
1.
~1H-Magnetic resonance spectroscopy(~1H-MRS)is an uniquely non-invasive imaging technique at present which provides information on tissue metabolites in vivo and has been found to be a valuable research tool in elucidating the pathophysiology underlying temporal lobe epilepsy.
氢质子磁共振波谱(~1H-MRS)是目前唯一一种无创性的测定活体体内化学代谢物改变的影像检查技术,近年已广泛应用于颞叶癫癎(TLE)的研究。
补充资料：质子磁共振谱
质子自旋量子数I为1/2时，其磁矩μN在静磁场H中只有两种取向,分别对应于能量为E-┩＝γ啚H/2及E┩＝-γ啚H/2 的能级(γ为回磁比；啚＝h/2π,h为普朗克常数)。如垂直于H的射频电磁波的频率v 满足hv＝E-┩-E┩＝γ啚H时，则低能级的质子就从射频电磁波吸收能量,跃迁至高能级。将射频电磁波的能量变化对磁场作图，即得质子磁共振谱。
有机化合物大都含有质子，而且质子的天然丰度为99.8％，所以质子磁共振的灵敏度较高，已成为解决有机化合物分子结构不可缺少的工具。
有机化合物大都含有质子，而且质子的天然丰度为99.8％，所以质子磁共振的灵敏度较高，已成为解决有机化合物分子结构不可缺少的工具。
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