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What does T2 stand for?

T2 stands for Trigonal T1


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Sign on SAO/NASA ADS Physics Abstract Service · Find Similar Abstracts (with default settings below) · Electronic Refereed Journal Article (HTML) · References in the article · Citations to the Article (9) (Citation History) · Refereed Citations to the Article · Reads History · · Translate This Page Title: Investigations of two trigonal.
Ligand electron-nuclear double resonance of T1 Trigonal.
Ligand Electron−Nuclear Double Resonance of T1 Trigonal.
[Show abstract] [Hide abstract] ABSTRACT: Detailed electron-spin-resonance investigations have been made of the weak trigonal Gd3+ center in alkaline-earth fluorides (CaF2, SrF2, and BaF2). We have been successful in detecting partially resolved fluorine superhyperfine structures of the weak trigonal Gd3+ center in SrF2 and BaF2. Based on the results of analyses of the observed superhyperfine structures, it is concluded that the weak trigonal center is involved with all the eight first-shell (nearest-neighbor) fluorines with the charge compensator, believed to be a F- ion, situated at the interstitial body center of the fluorine cube adjacent to the Gd3+ ion along the [111] direction.
EPR of trigonal centres in CaF2:Ce3+ Author links open the overlay panel. Numbers correspond to the affiliation list which can be exposed by using the show more link. D.
Trigonal cavernous malformation may be misdiagnosed as malignant neoplasms, meningiomas, and AVMs because of their enhancement and heterogeneous appearance of CT and MRI. The intraventricular location, size, hyper intensity, and partial calcification suggest a neoplastic lesion. However, the lack of surrounding edema on the fluid-attenuated inversion recovery and T2 MRI sequences, the peripheral hemosiderin seen on the T2-weighted axial MRI scan, and the lack of enhancement make a tumor less likely and suggest vascular malformation1).
Ependymomas are typically located in the fourth ventricle, often partially calcified demonstrating heterogeneous signal on T1-weighted and hyperintense signal on T2-weighted images. To conclude, meningiomas are the most common intraventricular tumor of the trigone to occur in adults. Besides meningioma, a wide range of neoplasms may arise within the ventricular cavity. This case illustrates the classic features of an intraventricular meningioma i. e a sharply circumscribed, intensely enhancing, T2-hypointense trigonal.