必应词典为您提供hahnecho的释义,网络释义: 翰回讯;翰回波;
必应词典为您提供hahn-echo的释义,网络释义: 翰回讯;翰回波;
large as that produced by a90°-180° pair.In general, if the first RF-pulse has flip angle α1and the second has flip angle α2, the maximum signal intensity of the Hahn echo will be smaller than the conventional (90°-180°) echo by a factor of (sin α1)•(sin² α2/2)...
We present results on Hahn echo experiments with a single molecular triplet electron spin. The surprising possibility of observing an echo phenomenon with an individual electron spin arises as a result of a spectral diffusion process of the magnetic resonance transition frequency in the course of the...
An analytical model is developed to account for the data obtained as well as for the results of analogous two-pulse echo experiments. The results of a numerical calculation are further presented to assess the capability of the method to study spin-spin interactions....
Mathematical-Analysis of Electric-Quadrupole and Heteronuclear Magnetic-Dipole Interactions on Spin 5 2 Hahn-Echo Amplitudes in Solids 喜欢 0 阅读量: 31 作者: PP Man 摘要: Spin- ja:math Hahn echoes, generated by two in-phase pulses separated by a delay τ 2 greater than or equal to twice ...
Michael Werckle Michael Werckle自己 Self代表作:火线狙击葛瑞丝的七天Franky Goes to Hollywood >去 Playboy Celebrity Centerfold: Jessica Hahn 的页面 主演:Echo Johnson/Jessica Hahn/Michael Werckle 类型:纪录片 地区:美国 片长:53 分钟 上映:1992
又名Playboy Celebrity Centerfold... 主演Jessica HahnEcho JohnsonRock CassettaRoxxanne HernandezTom Romano 演职人员(69) Scott Allen 导演 Jessica Hahn 演员 饰Herself Echo Johnson 演员 饰Herself Rock Cassetta 演员 饰Additional Ca... Roxxanne Hernandez ...
In particular, it is shown that the attenuation down the echo train is due to a varying contribution from both T1 and T2 processes, as well as diffusion. With long T1's and slow diffusion, the decay of the echoes approximates T2. 展开 ...
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