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Keigo Hatai and Taiichi Nagata
As a candidate for a green hypergolic bipropellant, the combination of highly concentrated hydrogen peroxide and fuel with dissolved sodium borohydride has been widely studied. In this study, a drop test using such a green hypergolic bipropellant was con...
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Tor Viscor, Landon Kamps, Kazuo Yonekura, Hikaru Isochi and Harunori Nagata
An understanding of the scalability of hybrid rocket regression models is critical for the enlargement and commercialization of small-scale engines developed within universities and similar research institutions. This paper investigates the fuel regressi...
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Murat Dogru, Takashi Kojima, Taeko Nagata and Kazuo Tsubota
Purpose: To investigate the applicability of strip meniscometry tube (SMT) in the measurement of tear lactoferrin in non-obese diabetic mice (NOD). Methods: SMT (SMTube, Echo Electricity Co., Ltd., Tokyo, Japan) and fluorescein staining tests were perfor...
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Toshihiro Kameda, Akihiro Nagata, Yohei Kimura, Ryujin Imai, Pragyan Shrestha, Keisuke Kimura, Atsushi Yasuda and Hiromasa Watanabe
A software-controllable, consumer-grade, single-chip transceiver integrated circuit (IC) has multiple applications because it can generate a continuous-wave beacon while providing the basic functions of frequency shift keying digital communication as wel...
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Landon Kamps, Shota Hirai and Harunori Nagata
Hybrid rockets are attractive as post-boost stages and kick motors due to their inherent safety and low cost, but it is not clear from previous research which oxidizer is most suitable for maximizing ?V within a fixed envelope size, or what impact O/F sh...
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Tor Viscor, Hikaru Isochi, Naoto Adachi and Harunori Nagata
Burn time errors caused by various start-up transient effects have a significant influence on the regression modelling of hybrid rockets. Their influence is especially pronounced in the simulation model of the Cascaded Multi Impinging Jet (CAMUI) hybrid ...
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Landon Kamps, Kazuhito Sakurai, Yuji Saito and Harunori Nagata
Static firing tests of a hybrid rocket motor using liquid nitrous oxide (N2O) as the oxidizer and high-density polyethylene (HPDE) as the fuel are analyzed using a novel approach to data reduction that allows histories for fuel mass consumption, nozzle t...
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Habib Mohammad Naser, Osamu Nagata, Sarmin Sultana and Ryusuke Hatano
This study was carried out at Kita-mura near Bibai located in central Hokkaido, Japan, with the intention of investigating the effects of different agronomical managements on CH4 emissions from paddy fields on mineral soil over peat under farmers’ ...
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Yo Toma, Takeshi Higuchi, Osamu Nagata, Yasuhiko Kato, Tooru Izumiya, Shingo Oomori and Hideto Ueno
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Larize Mazur, Gabrieli Alves de Oliveira, Milene Oliveira Pereira Bicudo, Rosemary Hoffmann Ribani, Noemi Nagata, Patrício Peralta-Zamora
Pág. 369 - 374
This work describes the development of a multivariate model based on near infrared reflectance spectroscopy (NIR) and partial least squares regression for the prediction of the moisture content in yerba mate samples. The multivariate model based on deriv...
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