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2015-6-5Gradient Ascent Pulse Engineering for Rapid Exchange Saturation Transfer 193 G. Rancan, T. T. Nguyen, S. J. Glaser, J. Magn. Reson. 252, 1-9 2015. Optimal Control of the Signal-to-Noise Ratio per Unit Time of a Spin 12 Particle The Crusher Gradient and the Radiation Damping Cases 192
2011-4-13S1 Supplementary Material . Measuring rapid hydrogen exchange in the homodimeric 36 kDa HIV-1 integrase catalytic core domain. Nicholas C. Fitzkee, Dennis A. Torchia, and Ad Bax
tionsradiation damping and the dipolar fieldcombine to generate chaotic dynamics even with extraordinarily simple sequences. Consider the simplest pulsegradient combi-nation p2 x GT z an RF pulse along the x axis with a flip angle of p2 followed by a crusher B 0 gradient in the z direction with strength G and duration ...
2014-5-12Chin. Phys. B Vol. 23, No. 6 2014 063201 Fast high-resolution nuclear magnetic resonance spectroscopy through indirect zero-quantum coherence detection in inhomogeneous elds Ke Han-Ping, Chen Hao , Lin Yan-Qin, Wei Zhi-Liang, ...
crusher gradient and the radiation damping cases . case of unbounded control fields which also includes finite- . of quality Q is the figure of merit to maximize. Get Price And Support Online basalt sand in cement - Feldspar Crusher Sales - XSM .
The DANTE pulse was replaced with a 2 ms Sinc-shaped -pulse phase x, x to invert the magnetization of the bulk water signal, followed by a 500 s, 24 Gcm field gradient and a low level crusher gradient 0.1 Gcm during the variable delay time, effectively eliminating any radiation damping
2006-4-5Radiation damping was probed by acquiring n115 sequential pulse-acquire data acquisitions each one followed by spoiling of the transverse magnetization with a large crusher gradient 20 mTm1 for 10 ms. The signal in the pre-amp was attenuated by 18 dB to avoid saturation or compression and possible clipping of the large
Spin Chaos in Magnetic Resonance Spin Chaos in Magnetic Resonance Lin, Yung-Ya Lisitza, Natalia 2002-12-01 000000 ABSTRACT The joint action of two readily observed effects in solution magnetic resonance radiation damping and the dipolar field are shown to generate spatiotemporal chaos in routine experiments. The extreme sensitivity of the chaotic spin dynamics to experimental conditions ...
Optimal control of the signal-to-noise ratio per unit time of a spin 12 particle The crusher gradient and the radiation damping cases M. Lapert, E. Assemat, S. J. Glaser, D. Sugny, Journal J. Chem. Phys. - n 142 - 2015 - 044202
2007-3-1Radiation damping was probed by acquiring n 115 sequential pulse-acquire data acquisitions with acquisition time T acq. Each FID acquisition was followed by spoiling of the transverse magnetisation with a large crusher gradient 20 mT m 1 for 10 ms. The signal after the pre-amplifier was attenuated by 18 dB to avoid saturation of the ...
Fertilizer Crusher for Sale Chain Cage Hammer. The vertical fertilizer crushing equipment is the patent product in our company It is a kind of adjustable crusher machine without screen cloth So it is one of the most commonly used crushing equipment in the fertilizer production process which is suitable for crushing of raw materials and returned materials
2020-7-13Research on Fault Diagnosis and Optimization of Crusher Based on Atom Search Algorithm-BP Neural Network ... The Front-end Radiation Signal Detection Module Based on CdZnTe ... Sequence Impedance Model and Resonance Damping of Voltage Source based DFIG
Radiation Damping Rate Topics By Sciencegov. Optimal control of the signal-to-noise ratio per unit time of a spin 12 particle The crusher gradient and the radiation damping cases. SciTech Connect. Lapert, M. Glaser, S. J. Assmat, E. We show to which extent the signal to noise ratio per unit time of a spin 12 particle can be maximized. Get Prices
Lapert, M, Assmat, E, Glaser, SJ, Sugny, D Optimal control of the signal-to-noise ratio per unit time of a spin 12 particle The crusher gradient and the radiation damping cases. J. Chem. Phys. 142, 04420219 2015. Article Google Scholar
2017-10-17Mathematics for Industry VanReethetal.PacificJournalofMathematicsforIndustry 2017 99 Pacic Journal of DOI10.1186s40736-017-0034-3 SURVEY OpenAccess ...
A method and system to enhance MRI contrast based on nonlinear feedback fields induced by the spin of the imaged molecules are provided. It is shown that while contrast in magnetic resonance imaging MRI is often limited by the dependence of the magnetization on MR parameters that may not vary significantly throughout the sample, through use of the inventive system, changes in the ...
We show experimentally and theoretically that two readily observed effects in solution nuclear magnetic resonance NMR-radiation damping and the dipolar field-combine to generate bizarre spin dynamics including chaotic evolution even with extraordinarily simple sequences. For example, seemingly insignificant residual magnetization after a crusher gradient triggers exponential regrowth of ...
2019-11-4Optimal control of the signal-to-noise ratio per unit time of a spin 12 particle The crusher gradient and the radiation damping cases M. Lapert, E. Assemat, S. J. Glaser, D. Sugny, J. Chem. Phys. , 142, 044202, 2015. Citation 4. 36 On the control by electromagnetic fields of quantum systems with infinite dimensional Hilbert space ...
Water T 1 measurements were performed by the saturation recovery method to avoid radiation-damping problems . Three 90-crusher gradient pairs were used before the readout 90 pulse to remove transverse bulk magnetization. The three crusher gradients of 1-ms duration were performed with 0.05 Tm, 0.1 Tm, and 0.15 Tm.
2008-4-2A strong crusher gradient was applied after the T FB period to eliminate any residual net transverse magnetization. After this fixed 50ms saturation preparation period, the longitudinal magnetization was read out using a 30 slice-selective pulse and gradient echo readout. After 3 s, the sequence was repeated to obtain a 64 64 image.
2018-9-182015 Optimal control of the signal-to-noise ratio per unit time of a spin 12 particle The crusher gradient and the radiation damping cases. The Journal of Chemical Physics 1424, 044202. 2014 The round-trip contrast problem. 53rd IEEE Conference on Decision and Control, 5788-5793.
2011-2-1821711 2 Arterial-Spin Labeling ASL Labeled spins in arterial blood water act as an endogenous tracer At the time of imaging, tagged spins have arrived in the regions of interest Water is exchanged between blood and tissue --- resulting tissue longitudinal