Susceptibility-weighted imaging: technical aspects and clinical applications, part 1

…, Z Wu, J Neelavalli, YCN Cheng - American Journal of …, 2009 - Am Soc Neuroradiology
Susceptibility-weighted imaging (SWI) is a new neuroimaging technique, which uses tissue
magnetic susceptibility differences to generate a unique contrast, different from that of spin …

Application of the SUSHI method to the design of gradient coils

…, RW Brown, YCN Cheng… - … in Medicine: An …, 2001 - Wiley Online Library
An approach to potential improvements in magnetic field shielding for a gradient coil system
with cylindrical geometry is presented, utilizing “supershielding” conditions for the currents …

A comparison of two design methods for MRI magnets

YCN Cheng, RW Brown, MR Thompson… - IEEE transactions on …, 2004 - ieeexplore.ieee.org
Designs of magnetic resonance imaging (MRI) main magnets obtained from both a functional
method and a genetic algorithm method have been compared. While most features in the …

A group theory approach to RF coil design

TP Eagan, YCN Cheng, TK Kidane… - … Resonance Part B …, 2005 - Wiley Online Library
A method for finding closed‐form solutions corresponding to the normal modes of Kirchhoff
systems with a modicum of symmetry has been investigated. This method can be particularly …

Supershielding: trapping of magnetic fields

…, RW Brown, YCN Cheng… - IEEE transactions on …, 2001 - ieeexplore.ieee.org
In a new methodology called "supershielding," a variety of open systems of current-carrying
conductors can be designed such that their magnetic fields are surprisingly well confined, …

The role of the Co reduction and Zn evaporation of ZnCo-MOF carbonization in peroxymonosulfate activation for levofloxacin purification from wastewater

M Cheng, Y Huo, Z Diao, G Song, D Chen… - Separation and …, 2023 - Elsevier
… magnetic Zn x Co y -CN-T through carbothermal reduction. The Zn x Co y -CN-T was further
… XRD, SEM, XPS and Raman spectra analysis were used to characterize the Zn x Co y -CN-T…

Predicting BOLD signal changes as a function of blood volume fraction and resolution

YCN Cheng, EM Haacke - NMR in Biomedicine: An …, 2001 - Wiley Online Library
The appropriate choice of resolution in fMRI remains an open question. To address this issue,
we simulate the signal change between activated and resting states as a function of blood …

Is π halogen bonding or lone pair⋯ π interaction formed between borazine and some halogenated compounds?

H Zhuo, Q Li, W Li, J Cheng - Physical Chemistry Chemical Physics, 2014 - pubs.rsc.org
… The positive charge transfer in the 1-BrCN-b and 1-IY-b (Y = CN, CCH, and CF 3 ) … A
similar result is also found in the 1-ClY-a (Y = CN, CCH, and CF 3 ) complex. For the 1-BrY…

Gravitational lensing statistics and constraints on the cosmological constant revisited

YCN Cheng, LM Krauss - International Journal of Modern Physics A, 2000 - World Scientific
We re-analyze constraints on the cosmological constant that can be obtained by examining
the statistics of strong gravitational lensing of distant quasars by intervening galaxies, …

A periodic review inventory model with demand influenced by promotion decisions

F Cheng, SP Sethi - Management Science, 1999 - pubsonline.informs.org
In this paper, we use a Markov decision process (MDP) to model the joint inventory-promotion
decision problem. The state variable of the MDP represents the demand state brought …