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A new type of compact induction accelerator is under development at the Lawrence Livermore National Laboratory that promises to increase the average accelerating gradient by at least an order of magnitude over that of existing induction machines. The machine is based on the use of high gradient vacuum insulators, advanced dielectric materials and switches(More)
The breaking of time reversal symmetry (TRS) in three-dimensional (3D) topological insulators (TIs), and thus the opening of a 'Dirac-mass gap' in the linearly dispersed Dirac surface state, is a prerequisite for unlocking exotic physical states. Introducing ferromagnetic long-range order by transition metal doping has been shown to break TRS. Here, we(More)
∗ This work was supported under the auspices of the US Department of Energy, the University of California, Lawrence Livermore National Laboratory under Contract No. W-7405-Eng-48. We are developing an inexpensive compact accelerator system primarily intended for pulsed radiography. Design characteristics are an 8 MeV endpoint energy, 2 kA beam current, a(More)
Y-J. Chen, W-C. Chu, W-Y. I. Tseng Institute of Biomedical Engineering, National Yang-Ming University, Taipei, Taipei, Taiwan, Center for Optoelectronic Biomedicine, National Taiwan University College of Medicine, Taipei, Taipei, Taiwan Introduction Dynamic contrast-enhanced magnetic resonance image (DCE-MRI) has been known for its efficacy in(More)
This study aimed to investigate the diagnostic performance of trace apparent diffusion coefficient (tADC) maps in prostate cancer (PCA) detection at different spatial resolutions and number of averages (NAV), and to determine a practical protocol that could provide satisfactory diagnostic performance for PCA detection. The tADC maps were reconstructed into(More)
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