46 Result(s)

Article

Preparation of molybdenum nitride thin films by N⁺ ion implantation

A series of molybdenum nitride films were synthesized by implanting energetic nitrogen ions into molybdenum thin films. The resulting films were characterized using x-ray diffraction to determine the effects o...

J- G. Choi, D. Choi, L. T. Thompson in Journal of Materials Research (1992)

Article

Growth of Tin Oxide Film Deposited by a Hybrjd Ion Beam

Tin oxide thin films were grown on Si(100) substrates by a hybrid ion beam consisting of a partially ionized beam and a cold hollow cathode ion source. Tin metal particles were ionized and accelerated by a par...

W. K. Choi, J. S. Cho, S. K. Song, H.-J. Jung, J. S. Jeon… in MRS Online Proceedings Library (1995)

Article

Spinal cord diameters in cadaveric specimens and magnetic resonance scans, to assess embalming artefacts

It would be valuable to use cadaveric models of cervical vertebrae and spinal cord to assess how varying degrees of traumatic subluxation would relate to neurological damage. However, before such a study may b...

D Choi, N Carroll, P Abrahams in Surgical and Radiologic Anatomy (1996)

Article

An atlas vertebra with a centrum? A case report of an abnormal atlas and axis

This case report represents the findings of an abnormal atlas vertebra during dissection of 34 cadavers. The case which we describe appeared to have an atlas with a mass at a position similar to that of a cent...

D. Choi, P. Abrahams in Surgical and Radiologic Anatomy (1997)

Article

An atlas vertebra with a centrum? A case report of an abnormal atlas and axis

This case report represents the finding of an abnormal atlas vertebra during dissection of 34 cadavers. The case which we describe appeared to have an atlas with a mass at a position similar to that of a centr...

D. Choi, P. Abrahams in Surgical and Radiologic Anatomy (1997)

Article

Intracranial course and relations of the hypoglossal nerve

This anatomic study describes the course and intracranial relations of the hypoglossal n. in 32 cadavers. The rootlets of the nerve emerged as a fan-shaped distribution (23.44%) or in two bundles (76.56%) and ...

A. Bhuller, J. R. Sañudo, D. Choi, P. H. Abrahams in Surgical and Radiologic Anatomy (1998)

Article

Intracranial course and relations of the hypoglossal nerve: An anatomic study

This anatomic study describes the course and intracranial relations of the hypoglossal n. in 32 cadavers. The rootlets of the nerve emerged as a fan-shaped distribution (23.44%) or in two bundles (76.56%) and ...

A. Bhuller, J. R. Sañudo, D. Choi, P. H. Abrahams in Surgical and Radiologic Anatomy (1998)

Article

Real‐Time Monitoring of Tool Fracture in Turning Using Sensor Fusion

D Choi, W. T Kwon, C. N Chu in The International Journal of Advanced Manu… (1999)

Article

Phytoremediation of cadmium contamination: Overexpression of metallotionein in transgenic tobacco plants

J.R. Liu, M.Ch. Suh, D. Choi in Bundesgesundheitsblatt - Gesundheitsforsch… (2000)

Article

Facial Nerve Repair and Regeneration: An Overview of Basic Principles for Neurosurgeons

 The facial nerve may be damaged by trauma, surgical manipulation, inflammation or neoplastic disease. Current techniques for repair and regeneration of the damaged nerve produce suboptimal results. This revie...

D. Choi, L. T. Dunn in Acta Neurochirurgica (2001)

Article

Near-wall function for turbulence closure models

 The Wall Function for large eddy simulation (LES) proposed by Cabot is extended to the turbulence closure models. Predicted results are discussed and compared with well-documented experimental results. The mo...

E. Y. K. Ng, H. Y. Tan, H. N. Lim, D. Choi in Computational Mechanics (2002)

Article

Proximal gastrectomy and jejunal pouch interposition: radiographic evaluation of postoperative findings

D. Choi, C. H. Yoo, H. Park, Y. R. Lee, S.-H. Kook, E. C. Chung in Abdominal Imaging (2003)

Article

ESR study of rare-earth ions with the effective spin of 1/2 in LiNbO₃ crystals

Rare-earth ions of Nd³⁺ and Er³⁺ in nearly stoichiometric and MgO-doped LiNbO₃ crystals, respectively, have been investigated by employing an X-band electron spin resonance (ESR) spectrometer. The grown crystal w...

S. H. Choh, J. H. Kim, I. -W. Park, H. J. Kim, D. Choi… in Applied Magnetic Resonance (2003)

Article

Arteriovenous malformation of the pancreas in a patient with gastrointestinal bleeding: helical CT findings

Dynamic computed tomographic (CT) findings of arteriovenous malformation (AVM) of the pancreas include strong enhancement or conglomeration of small hypervascular spots in the pancreas and early contrast filli...

S. Chang, H. K. Lim, W. J. Lee, D. Choi, K.-T. Jang in Abdominal Imaging (2004)

Article

Multiple infarcted regenerative nodules in liver cirrhosis after systemic hypotension due to septic shock: radiologic findings

We describe a case of multiple infarcted regenerative nodules in a patient with advanced liver cirrhosis who had experienced an episode of septic shock. Sonography showed multiple hypoechoic or isoechoic nodul...

E. Kim, D. Choi, H. K. Lim, J. H. Lim in Abdominal Imaging (2004)

Article

Relation of cholangiocarcinomas to clonorchiasis and bile duct stones

D. Choi, J. H. Lim, S.-T. Hong in Abdominal Imaging (2004)

Article

Transport of living cells with magnetically assembled nanowires

We present a technique of transporting and positioning living cells internalized by nickel (Ni) nanowires guided by magnetic field. Nanoscale magnetic nanowires are internalized by the Rat Neuroblastoma (ATCC ...

D. Choi, A. Fung, H. Moon, D. Ho, Y. Chen, E. Kan, Y. Rheem… in Biomedical Microdevices (2007)

Article

On the congruences of Jacobi forms

In this paper, we study congruence properties of coefficient of Jacobi forms. The result for elliptic modular form case was studied by Sturm (Lecture Notes in Mathematics, Springer, Berlin Heidelberg New York ...

D. Choi, Y. Choie in Mathematische Zeitschrift (2007)

Article

Spaces of modular forms generated by eta-quotients

In this paper, we study the spaces of modular forms on Γ₀(N) generated by eta-quotients, where the genus of Γ₀(N) is zero or N is a prime. Our results give an answer to a question of Ono (2004, Problem 1.68).

D. Choi in The Ramanujan Journal (2007)