Faculty of Engineering, University of the Ryukyus, Okinawa, Japan - Articles

Design of a Switched Capacitor Negative Feedback Circuit for a Very Low Level DC Current Amplifier (Articles)

Hiroki Higa, Naoki Nakamura

Circuits and Systems Vol.4 No.4，August 12, 2013

DOI: 10.4236/cs.2013.44048 6,443 Downloads 8,862 Views Citations
A Very Low Level dc Current Amplifier Using SC Circuit: Effects of Parasitic Capacitances and Duty Ratio on Its Output (Articles)

Hiroki Higa, Ryota Onaga, Naoki Nakamura

Open Journal of Applied Sciences Vol.4 No.9，August 8, 2014

DOI: 10.4236/ojapps.2014.49044 3,234 Downloads 4,339 Views Citations
A Study on Flow Structure around a Bridge Beam and Behavior of Sea Water Mist (Articles)

Masaaki Ishikawa

Open Journal of Fluid Dynamics Vol.7 No.3，September 18, 2017

DOI: 10.4236/ojfd.2017.73022 986 Downloads 2,002 Views Citations
Re-Estimation of a Plausible Model of the Earthquake Fault as the Source of the 1771 Great Meiwa Tsunami Based on the Assessment of the Run-Up Height by Okinawa Prefecture, Japan (Articles)

Takeshi Matsumoto

Open Journal of Geology Vol.10 No.12，December 31, 2020

DOI: 10.4236/ojg.2020.1012062 589 Downloads 1,635 Views Citations
Experimental Study of the Response of Transonic Diffuser Flow to a Piezoceramic Actuator at Diffuser Throat (Articles)

Minoru Yaga, Yusuke Uechi, Hiroaki Ozono, Masaaki Ishikawa, Isao Teruya

Open Journal of Fluid Dynamics Vol.3 No.2A，July 24, 2013

DOI: 10.4236/ojfd.2013.32A003 3,515 Downloads 5,581 Views Citations
This article belongs to the Special Issue on Experimental and Computational Aerothermodynamics of Internal Flows
Numerical Analysis of Horizontal-Axis Wind Turbine Characteristics in Yawed Conditions (Articles)

Masami Suzuki

Open Journal of Fluid Dynamics Vol.2 No.4A，January 2, 2013

DOI: 10.4236/ojfd.2012.24A041 6,929 Downloads 10,080 Views Citations
This article belongs to the Special Issue on Thermophysics and Fluid Science
A Review of the Recent PIV Studies
—From the Basics to the Hybridization with CFD (Articles)

Fujio Yamamoto, Masaaki Ishikawa

Journal of Flow Control, Measurement & Visualization Vol.10 No.4，October 24, 2022

DOI: 10.4236/jfcmv.2022.104008 403 Downloads 1,609 Views Citations
Study of Interaction between Supersonic Flow and Rods or Jets Surrounded by Porous Cavity (Articles)

Nao Kuniyoshi, Minoru Yaga, Akito Koda, Isao Teruy, Masaaki Ishikawa

Open Journal of Fluid Dynamics Vol.2 No.4A，January 2, 2013

DOI: 10.4236/ojfd.2012.24A042 4,275 Downloads 7,073 Views Citations
This article belongs to the Special Issue on Thermophysics and Fluid Science
Effect of inoculation with arbuscular mycorrhizal fungi on growth, nutrient uptake and curcumin production of turmeric (Curcuma longa L.) (Articles)

Kenji Yamawaki, Atsushi Matsumura, Rintaro Hattori, Arata Tarui, Mohammad Amzad Hossain, Yoshiyuki Ohashi, Hiroyuki Daimon

Agricultural Sciences Vol.4 No.2，February 26, 2013

DOI: 10.4236/as.2013.42011 6,565 Downloads 11,497 Views Citations
Structural Condition and Deficiencies of Present Constructed Bridges over Zahirshahi Canal and Proposal of New Design Using AASHTO Codes (Articles)

Abdul Khaliq Karimi, Abdul Bari Jaheed, Bashir Ahmad Aasim, Javed Ahmad Farooqi

World Journal of Engineering and Technology Vol.7 No.2，May 17, 2019

DOI: 10.4236/wjet.2019.72023 1,026 Downloads 2,346 Views Citations
Root Reconstruction with Total Replacement of Ascending Aorta Using Hypothermic Circulatory Arrest and Selective Cerebral Perfusion for Moderately Dilated Distal Ascending Aorta (Articles)

Satoshi Yamashiro, Ryoko Arakaki, Yuya Kise, Hitoshi Inafuku, Yukio Kuniyoshi

World Journal of Cardiovascular Surgery Vol.3 No.3，July 5, 2013

DOI: 10.4236/wjcs.2013.33018 4,029 Downloads 6,120 Views Citations
How Effective Is Cervical Ripening Using the Controlled-Release Dinoprostone Vaginal Delivery System for Primiparas with Unruptured Membranes? (Articles)

Yoshino Kinjyo, Yukiko Chinen, Tadatsugu Kinjo, Shuko Chinen, Keiko Mekaru

Open Journal of Obstetrics and Gynecology Vol.14 No.8，August 22, 2024

DOI: 10.4236/ojog.2024.148096 67 Downloads 345 Views Citations
Structure-Function Relationship of a Gellan Family of Polysaccharide, S-198 Gum, Produced by Alcaligenes ATCC31853 (Articles)

Masakuni Tako, Seiko kitajima, Takuya Yogi, Keiko Uechi, Masayuki Onaga, Yukihiro Tamaki, Shuntoku Uechi

Advances in Biological Chemistry Vol.6 No.3，May 26, 2016

DOI: 10.4236/abc.2016.63007 3,496 Downloads 6,248 Views Citations
The Novel Pyruvated Glucogalactan Sulfate Isolated from the Red Seaweed, Hypnea pannosa (Articles)

Masakuni Tako, Rintaro Ohtoshi, Kazutaka Kinjyo, Shuntoku Uechi

Advances in Biological Chemistry Vol.6 No.3，June 20, 2016

DOI: 10.4236/abc.2016.63010 2,463 Downloads 3,705 Views Citations
This article belongs to the Special Issue on Polysaccharide Research
Chemical Structure of a Novel Xylogalactan Isolated from Commercially Cultured Seagrape, Caulerpa lentillifera (Articles)

Yukihiro Tamaki, Teruko Konishi, Masakuni Tako

Advances in Biological Chemistry Vol.15 No.3，June 27, 2025

DOI: 10.4236/abc.2025.153006 24 Downloads 130 Views Citations
Lattice and Lattice Gas Models for Commensalism: Two Shellfishes in Intertidal Zone (Articles)

Hiroki Yokoi, Takashi Uehara, Takashi Kawai, Yasuo Tateoka, Kei-Ichi Tainaka

Open Journal of Ecology Vol.4 No.11，August 19, 2014

DOI: 10.4236/oje.2014.411057 2,543 Downloads 3,445 Views Citations
This article belongs to the Special Issue on Competition and Commensalism
Designing a Scale to Assess Breastfeeding Support among Public Health Nurses in Japan (Articles)

Noriko Toyama, Kayoko Kurihara, Mineko Muranaka, Kokoro Shirai, Kiyoko Kamibeppu

Health Vol.9 No.6，June 30, 2017

DOI: 10.4236/health.2017.96069 1,097 Downloads 2,091 Views Citations
Designing a Scale to Assess Family Nursing Practice among Public Health Nurses in Japan (Articles)

Noriko Toyama, Kayoko Kurihara, Mineko Muranaka, Kokoro Shirai, Kiyoko Kamibeppu

Health Vol.9 No.7，July 12, 2017

DOI: 10.4236/health.2017.97074 1,069 Downloads 2,574 Views Citations
Discovery of Unusual Highly Branched Galactomannan from Seeds of Desmanthus illinoensis (Articles)

Masakuni Tako, Yukihiro Tamaki, Takeshi Teruya

Journal of Biomaterials and Nanobiotechnology Vol.9 No.2，April 20, 2018

DOI: 10.4236/jbnb.2018.92009 1,107 Downloads 2,717 Views Citations
This article belongs to the Special Issue on Biopolymer Materials
Intravesical Infusion of Budesonide Foam Improves Symptoms in a Bladder Pain Syndrome/Interstitial Cystitis Rat Model (Articles)

Kimio Sugaya, Saori Nishijima, Katsuhiko Noguchi, Shiho Okitsu, Katsumi Kadekawa, Kennosuke Karube, Hideyuki Yamamoto

Open Journal of Urology Vol.10 No.5，April 14, 2020

DOI: 10.4236/oju.2020.105014 641 Downloads 1,925 Views Citations

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