Find Research Outputs

1990
2 Citations (Scopus)

Three-dimensional well model pre-processors for reservoir simulation with horizontal and curved inclined wells

Morita, N., Singh, S. P., Chen, H. S. & Whitfill, D. L., 1990, Proceedings - SPE Annual Technical Conference and Exhibition. Anon (ed.). Richardson, TX, United States: Publ by Soc of Petroleum Engineers of AIME, Vol. Sigma. p. 49-64 16 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

well
Horizontal wells
Error analysis
simulation
Simulators
12 Citations (Scopus)

Topographical heterogeneity of glutamate agonist-induced calcium increase in hippocampus

Kudo, Y., Ito, E. & Ogura, A., 1990, In : Advances in Experimental Medicine and Biology. 268, p. 125-133 9 p.

Research output: Contribution to journalArticle

Quisqualic Acid
Excitatory Amino Acid Agonists
Neurotransmitter Receptor
Kainic Acid
Glutamate Receptors
11 Citations (Scopus)

Transformation of Chicken Embryo Fibroblast Cells by Avian Retroviruses Containing the Human Fyn Gene and Its Mutated Genes

Senba, K., Kawai, S., Matsuzawa, Y., Yamanashi, Y., Nishizawa, M. & Toyoshima, K., 1990 Jun, In : Molecular and Cellular Biology. 10, 6, p. 3095-3104 10 p.

Research output: Contribution to journalArticle

Retroviridae
Chickens
Embryonic Structures
Fibroblasts
Viruses
6 Citations (Scopus)

Transmission electron microscope study of II-VI/III-V semiconductor interfaces

Otsuka, N., Li, D., Gonsalves, J. M., Choi, C., Kobayashi, M., Kolodziejski, L. A. & Gunshor, R. L., 1990 Apr 1, In : Surface Science. 228, 1-3, p. 96-101 6 p.

Research output: Contribution to journalArticle

Electron microscopes
electron microscopes
Annealing
Image resolution
Crystal lattices
Switching networks
Communication
45 Citations (Scopus)

Triplet-state defect in high-purity silica glass

Tohmon, R., Shimogaichi, Y., Tsuta, Y., Munekuni, S., Ohki, Y., Hama, Y. & Nagasawa, K., 1990, In : Physical Review B. 41, 10, p. 7258-7260 3 p.

Research output: Contribution to journalArticle

silica glass
Fused silica
atomic energy levels
purity
Defects
15 Citations (Scopus)

Tunneling barrier height imaging and polycrystalline Si surface observations

Hosaka, S., Sagara, K., Hasegawa, T., Takata, K. & Hosoki, S., 1990 Jan 1, In : Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films. 8, 1, p. 270-274 5 p.

Research output: Contribution to journalArticle

Doping (additives)
Imaging techniques
Crystal microstructure
Arsenic
Scanning tunneling microscopy
27 Citations (Scopus)

Ultraviolet and blue holographic lithography of ZnSe epilayers and heterostructures with feature size to 100 nm and below

Walecki, W., Patterson, W. R., Nurmikko, A. V., Luo, H., Samarth, N., Furdyna, J. K., Kobayashi, M., Durbin, S. & Gunshor, R. L., 1990, In : Applied Physics Letters. 57, 25, p. 2641-2643 3 p.

Research output: Contribution to journalArticle

lithography
etching
wire
damage
photoluminescence
68 Citations (Scopus)

Unitary representations of the quantum group SUq(1,1): Structure of the dual space of Uq(sl(2))

Masuda, T., Mimachi, K., Nakagami, Y., Noumi, M., Saburi, Y. & Ueno, K., 1990 Apr, In : Letters in Mathematical Physics. 19, 3, p. 187-194 8 p.

Research output: Contribution to journalArticle

Universal Enveloping Algebra
Unitary Representation
Dual space
Topological group
Quantum Groups
41 Citations (Scopus)

Unitary representations of the quantum group SUq(1, 1): II - Matrix elements of unitary representations and the basic hypergoemetric functions

Masuda, T., Mimachi, K., Nakagami, Y., Noumi, M., Saburi, Y. & Ueno, K., 1990 Apr, In : Letters in Mathematical Physics. 19, 3, p. 195-204 10 p.

Research output: Contribution to journalArticle

Basic Hypergeometric Functions
hypergeometric functions
Q-analogue
Unitary Representation
Quantum Groups
31 Citations (Scopus)

Unknotting operations involving trivial tangles

Hoste, J., Nakanishi, Y. & Taniyama, K., 1990, In : Osaka Journal of Mathematics. 27, 3, p. 555-566 12 p.

Research output: Contribution to journalArticle

Tangles
Trivial
51 Citations (Scopus)
Platinum
Acetates
Ligands
acetyl acetonate
2 Citations (Scopus)

Unusually abrupt switching in submicrometer thin-film transistors using a polysilicon film with enhanced grain size

Yamauchi, N., Hajjar, J. J. J. & Reif, R., 1990 Jan, In : Electron device letters. 11, 1, p. 15-17 3 p.

Research output: Contribution to journalArticle

Drain current
Thin film transistors
Polysilicon
Low pressure chemical vapor deposition
Impact ionization
2 Citations (Scopus)

Use of procedural programming languages for controlling production systems

Ishida, T., Sasaki, Y. & Fukuhara, Y., 1990 Feb 1, Proceedings of the Conference on Artificial Intelligence Applications. Publ by IEEE, p. 71-75 5 p. (Proceedings of the Conference on Artificial Intelligence Applications).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Computer programming languages
Macros
Control facilities
Production control
Communication
16 Citations (Scopus)

Variation and estimation of the differential absorption coefficient of P-700 in spinach photosystem I preparations

Sonoike, K. & Katoh, S., 1990, In : Plant and Cell Physiology. 31, 8, p. 1079-1082 4 p.

Research output: Contribution to journalArticle

P700
Photosystem I
Photosystem I Protein Complex
Spinach
Spinacia oleracea
214 Citations (Scopus)

Various types of nonbridging oxygen hole center in high-purity silica glass

Munekuni, S., Yamanaka, T., Shimogaichi, Y., Tohmon, R., Ohki, Y., Nagasawa, K. & Hama, Y., 1990, In : Journal of Applied Physics. 68, 3, p. 1212-1217 6 p.

Research output: Contribution to journalArticle

silica glass
purity
oxygen
rays
optical absorption
3 Citations (Scopus)

Video coding for digital storage media using hierarchical intraframe scheme

Kamikura, K. & Watanabe, H., 1990, Proceedings of SPIE - The International Society for Optical Engineering. Kunt, M. (ed.). Bellingham, WA, United States: Publ by Int Soc for Optical Engineering, Vol. 1360 pt 3. p. 1540-1550 11 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Digital storage
Image coding
coding
Motion compensation
playbacks
271 Citations (Scopus)

Viscosity solutions of fully nonlinear second-order elliptic partial differential equations

Ishii, H. & Lions, P. L., 1990, In : Journal of Differential Equations. 83, 1, p. 26-78 53 p.

Research output: Contribution to journalArticle

Fully Nonlinear
Elliptic Partial Differential Equations
Viscosity Solutions
Partial differential equations
Boundary conditions

Vision system for animal cell recognition in a bio-engineering process

Fukuda, T., Ishizuka, M., Hasegawa, O., Asama, H., Nagamune, T. & Endo, I., 1990, IECON Proceedings (Industrial Electronics Conference). Los Alamitos, CA, United States: Publ by IEEE, Vol. 1. p. 552-557 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Expert systems
Interferons
Animals
Image processing
Cells
20 Citations (Scopus)

Void fraction estimation within rod bundles based on three-fluid model and comparison with x-ray CT void data

Mitsutake, T., Morooka, S., Suzuki, K., Tsunoyama, S. & Yoshimura, K., 1990 Jun 2, In : Nuclear Engineering and Design. 120, 2-3, p. 203-212 10 p.

Research output: Contribution to journalArticle

Void fraction
void
bundles
tomography
Tomography
1 Citation (Scopus)

Waveform degradation due to dispersion effects in an optical CPFSK system

Tsubokawa, M., Ohashi, M. & Sasaki, Y., 1990 Jun, In : Journal of Lightwave Technology. 8, 6, p. 962-966 5 p.

Research output: Contribution to journalArticle

frequency shift keying
Frequency shift keying
Chromatic dispersion
waveforms
degradation
2 Citations (Scopus)

Waveform degradation due to dispersion effects in an optical CPFSK system

Tsubokawa, M., Ohashi, M. & Sasaki, Y., 1990 May, In : Journal of Lightwave Technology. 8, 5, p. 775-779 5 p.

Research output: Contribution to journalArticle

Optical systems
Chromatic dispersion
waveforms
degradation
Degradation
15 Citations (Scopus)

Weak localization, fluctuation, and superconductivity in thin Nb films and wires

Hikita, M., Tajima, Y., Tamamura, T. & Kurihara, S., 1990, In : Physical Review B. 42, 1, p. 118-126 9 p.

Research output: Contribution to journalArticle

Electron scattering
Superconductivity
superconductivity
wire
Wire
11 Citations (Scopus)

Wide-gap II-VI heterostructures

Gunshor, R. L., Nurmikko, A. V., Kolodziejski, L. A., Kobayashi, M. & Otsuka, N., 1990 Apr 1, In : Journal of Crystal Growth. 101, 1-4, p. 14-22 9 p.

Research output: Contribution to journalArticle

zincblende
Molecular beam epitaxy
Semiconductor quantum wells
Heterojunctions
Energy gap
41 Citations (Scopus)

Wormholes with scalar fields

Coule, D. H. & Maeda, K., 1990, In : Classical and Quantum Gravity. 7, 6, p. 955-963 9 p., 005.

Research output: Contribution to journalArticle

scalars
gravitation
Jordan
curvature
tensors
15 Citations (Scopus)

ZnSe-ZnTe strained-layer superlattices: A novel material for the future optoelectronic devices

Konagai, M., Kobayashi, M., Kimura, R. & Takahashi, K., 1990 Jan 1, In : Journal of Crystal Growth. 86, 1-4, p. 290-295 6 p.

Research output: Contribution to journalArticle

Superlattices
optoelectronic devices
Molecular beam epitaxy
Optoelectronic devices
superlattices
3 Citations (Scopus)

ZnTe/MnTe: A new metastable wide gap II-VI heterostructure

Durbin, S., Kobayashi, M., Fu, Q., Pelekanos, N., Gunshor, R. L. & Nurmikko, A. V., 1990 Apr 1, In : Surface Science. 228, 1-3, p. 33-36 4 p.

Research output: Contribution to journalArticle

Excitons
Semiconductor quantum wells
Heterojunctions
excitons
quantum wells
39 Citations (Scopus)

γ-linolenic acid production by microalgae

Hirano, M., Mori, H., Miura, Y., Matsunaga, N., Nakamura, N. & Matsunaga, T., 1990 Mar, In : Applied Biochemistry and Biotechnology. 24-25, 1, p. 183-191 9 p.

Research output: Contribution to journalArticle

Microalgae
alpha-Linolenic Acid
Spirulina
Acids
Algae
1989
35 Citations (Scopus)

0.1-μm gate-length superconducting FET

Nishino, T., Hatano, M., Hasegawa, H., Murai, F., Kure, T., Hiraiwa, A., Yagi, K. & Kawabe, U., 1989 Feb, In : Electron device letters. 10, 2, p. 61-63 3 p.

Research output: Contribution to journalArticle

Gates (transistor)
Field effect transistors
Electrodes
Semiconductor materials
Helium
4 Citations (Scopus)

120 ns 128k × 8 b/64k × 16 b CMOS EEPROMs

Terada, Y., Kobayashi, K., Nakayama, T., Hayashikoshi, M., Miyawaki, Y., Ajika, N., Arima, H., Matsukawa, T. & Yoshihara, T., 1989, Digest of Technical Papers - IEEE International Solid-State Circuits Conference. Anon (ed.). Publ by IEEE, Vol. 32. p. 136-137, 315

Research output: Chapter in Book/Report/Conference proceedingConference contribution

PROM
Data storage equipment
Polysilicon
Masks
Clocks
5 Citations (Scopus)

120-ns 128K × 8-bit/64K × 16-bit CMOS EEPROMs

Terada, Y., Kobayashi, K., Nakayama, T., Hayashikoshi, M., Miyawaki, Y., Ajika, N., Arima, H., Matsukawa, T. & Yoshihara, T., 1989 Oct, In : IEEE Journal of Solid-State Circuits. 24, 5, p. 1244-1249 6 p.

Research output: Contribution to journalArticle

Data storage equipment
Polysilicon
Masks
Metals

125I-insulin binding characteristics to erythrocytes in mildly trained joggers and highly trained athletes.

Arao, T., Ebashi, H., Goto, Y., Imaizumi, T. & Nishijima, Y., 1989, In : Bulletin of the Physical Fitness Research Institute. 71, p. 1-9 9 p.

Research output: Contribution to journalArticle

Athletes
Erythrocytes
Insulin
41 Citations (Scopus)

17-bit oversampling D-to-A conversion technology using multistage noise shaping

Matsuya, Y., Uchimura, K., Iwata, A. & Kaneko, T., 1989 Aug, In : IEEE Journal of Solid-State Circuits. 24, 4, p. 969-975 7 p.

Research output: Contribution to journalArticle

Harmonic distortion
Digital to analog conversion
Trimming
Digital filters
Pulse width modulation
260 Citations (Scopus)

2.7-eV luminescence in as-manufactured high-purity silica glass

Tohmon, R., Shimogaichi, Y., Mizuno, H., Ohki, Y., Nagasawa, K. & Hama, Y., 1989, In : Physical Review Letters. 62, 12, p. 1388-1391 4 p.

Research output: Contribution to journalArticle

silica glass
purity
luminescence
oxygen
molecular orbitals
3 Citations (Scopus)

325-nm absorption band by peroxy linkage in pure silica core fiber

Nishikawa, H., Tohmon, R., Ohki, Y., Hama, Y. & Nagasawa, K., 1989, Opt Fiber Commun Conf Summ Pap. Piscataway, NJ, United States: Publ by IEEE, p. 158-159 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Absorption spectra
Silica
Oxygen
Fibers
Optical communication
3 Citations (Scopus)

500-kV long-distance cable completed in Japan

Ohki, Y., 1989 Mar, In : IEEE Electrical Insulation Magazine. v, n, p. 28-32 5 p.

Research output: Contribution to journalArticle

Cables
Polypropylenes
Insulation
Oils
Cooling
7 Citations (Scopus)

50 ns video signal processor

Nakagawa, S. I., Terane, H., Matsumura, T., Segawa, H., Yoshimoto, M., Shinohara, H., Kato, S. I., Maeda, A., Horiba, Y., Ohira, H., Katoh, Y. A., Iwatsuki, M. & Tabuchi, K. Y., 1989, Digest of Technical Papers - IEEE International Solid-State Circuits Conference. Anon (ed.). Publ by IEEE, Vol. 32. p. 168-169, 328

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Digital signal processors
Data transfer
Video signal processing
Parallel architectures
Voice/data communication systems
6 Citations (Scopus)

5-V-only one-transistor 256K EEPROM with page-mode erase

Nakayama, T., Miyawaki, Y., Kobayashi, K., Terada, Y., Arima, H., Matsukawa, T. & Yoshihara, T., 1989 Aug, In : IEEE Journal of Solid-State Circuits. 24, 4, p. 911-915 5 p.

Research output: Contribution to journalArticle

ROM
Transistors
Electron tunneling
Polysilicon
Data storage equipment
10 Citations (Scopus)

60 ns 3.3 V 16 Mb DRAM

Arimoto, K., Fujishima, K., Matsuda, Y., Oishi, T., Tsukude, M., Wakamiya, W., Satoh, S. I., Yamada, M., Yoshihara, T. & Nakano, T., 1989, Digest of Technical Papers - IEEE International Solid-State Circuits Conference. Anon (ed.). Publ by IEEE, Vol. 32. p. 244-245, 352

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Random access storage
4 Citations (Scopus)

64 kbit/s Video coding algorithm using adaptive gain/shape vector quantization

Watanabe, H. & Suzuki, Y., 1989, In : Signal Processing: Image Communication. 1, 2, p. 87-102 16 p.

Research output: Contribution to journalArticle

Vector quantization
Adaptive algorithms
Image coding
Voice/data communication systems
Redundancy
Vector quantization
Image coding
Video conferencing
Pixels
Computer simulation
95 Citations (Scopus)

Ab initio studies on silicon compounds. 2. On the gauche structure of the parent polysilane

Teramae, H. & Takeda, K., 1989 Jan 1, In : Journal of the American Chemical Society. 111, 4, p. 1281-1285 5 p.

Research output: Contribution to journalArticle

Silicon Compounds
Silicon compounds
Polysilanes
Semiconductors
Electrons
14 Citations (Scopus)

Abundance of primary protons at(13)×1015 ev inferred from a simulation of extensive air showers with ray families

Shima, M., Saito, T., Sakata, M., Yamamoto, Y., Kasahara, K., Yuda, T., Torii, S. & Hotta, N., 1989, In : Physical Review D. 39, 5, p. 1275-1282 8 p.

Research output: Contribution to journalArticle

cosmic ray showers
rays
protons
simulation
primary cosmic rays
3 Citations (Scopus)

A Computational Verification Method of Existence of Solutions for Nonlinear Elliptic Equations

Nakao, M. T., 1989 Jan 1, In : North-Holland Mathematics Studies. 160, C, p. 101-120 20 p.

Research output: Contribution to journalArticle

Nonlinear Elliptic Equations
Existence of Solutions
Nonlinear Elliptic Boundary Value Problem
Numerical Verification
Interval Arithmetic
77 Citations (Scopus)

A Cutting Simulation System for Machinability Evaluation Using a Workpiece Model

Takata, S., Tsai, M. D., Inui, M. & Sata, T., 1989, In : CIRP Annals - Manufacturing Technology. 38, 1, p. 417-420 4 p.

Research output: Contribution to journalArticle

Machinability
Machining
Experiments
3 Citations (Scopus)
vibration mode
fractals
exponents
low frequencies
proteins
13 Citations (Scopus)

A grammatical characterization of alternating pushdown automata

Moriya, E., 1989 Sep 5, In : Theoretical Computer Science. 67, 1, p. 75-85 11 p.

Research output: Contribution to journalArticle

Context free languages
Pushdown Automata
Context-free Languages
Context free grammars
Context-free Grammar
2 Citations (Scopus)

A highly reliable gate/n- overlapped transistor for mega-bit DRAMs

Nagatomo, M., Okumura, Y., Mitsui, K., Ogoh, I., Genjoh, H., Inuishi, M. & Matsukawa, T., 1989, ESSDERC 1989 - Proceedings of the 19th European Solid State Device Research Conference. IEEE Computer Society, p. 923-926 4 p. 5437066

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Dynamic random access storage
Drain current
Ion implantation
Transistors
Electric fields
8 Citations (Scopus)

A high performance and highly reliable dual gate CMOS with gate/n- overlapped LDD applicable to the cryogenic operation

Inuishi, M., Mitsui, K., Kusunoki, S., Shimizu, M. & Tsukamoto, K., 1989, In : Unknown Journal. p. 773-776 4 p.

Research output: Contribution to journalArticle

Threshold voltage
Ion implantation
Cryogenics
cryogenics
CMOS
Least-Squares Analysis
Statistical Factor Analysis
factor analysis
computer simulation
Computer Simulation