1) 1H-MR spectroscopy
氢质子MR频谱
1.
Objective To investigate the feasibility of MR T1WI,T 2 WI and 1H-MR spectroscopy(1H-MRS)with clinical 1.
5TMR成像仪对人类结肠癌荷瘤裸鼠模型行常规MR成像及氢质子MR频谱(1H-MR spectroscopy,1H-MRS)分析的可能性。
2) ~1HMR Spectroscopy
MR氢质子波谱
4) solid-state wide-line ~1H NMR spectra
1H质子宽线氢谱
5) subband spectrum centroid
子带频谱质心
1.
Using mixed window function and subband spectrum centroid in MFCC feature extraction process
混合窗函数和子带频谱质心在MFCC特征提取过程中的应用
6) 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。
补充资料：“质子-电子偶极-偶极”质子弛豫增强
“质子-电子偶极-偶极”质子弛豫增强
物理学术语。原子核外层中不成对的电子质量小，但磁动性很强，可使局部磁场波动增强，促使氢质子弛豫加快，从而使T1和T2缩短，这种效应即为PEDDPRE。过渡元素和镧系元素大部分在d和f轨道有多个不成对电子，所以其离子往往具有PEDDPRE，可用来作顺磁性对比剂，如钆(Gd)。Gd在外层有7个不成对电子，具有很强的顺磁性。
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