Masahiko Okada - Articles - Scientific Research Publishing

Factors Influencing the Development of “Purpose in Life”and Its Relationship to Coping with Mental Stress (Articles)

Riichiro Ishida, Masahiko Okada

Psychology Vol.2 No.1，February 25, 2011

DOI: 10.4236/psych.2011.21005 6,534 Downloads 12,551 Views Citations
Firmness of purpose in life significantly influences emotional state and autonomic nervous activity (Articles)

Riichiro Ishida, Tsueko Abe, Masahiko Okada

Health Vol.3 No.8，August 10, 2011

DOI: 10.4236/health.2011.38084 5,171 Downloads 8,949 Views Citations
Friendship Motivation, Aggression, and Self-Esteem in Japanese Undergraduate Students (Articles)

Ryo Okada

Psychology Vol.3 No.1，January 5, 2012

DOI: 10.4236/psych.2012.31002 7,238 Downloads 13,429 Views Citations
The Function of Roots of Tea Plant (Camellia sinensis) Cultured by a Novel Form of Hydroponics and Soil Acidification (Articles)

Kieko Saito, Masahiko Ikeda

American Journal of Plant Sciences Vol.3 No.5，May 30, 2012

DOI: 10.4236/ajps.2012.35078 7,049 Downloads 12,884 Views Citations
A case of very late stent thrombosis after sirolimus-eluting stent implantation in a patient with provoked severe coronary spasm (Articles)

Shigenori Ito, Masahiko Inomata

World Journal of Cardiovascular Diseases Vol.3 No.4A，July 10, 2013

DOI: 10.4236/wjcd.2013.34A002 5,390 Downloads 7,291 Views Citations
This article belongs to the Special Issue on Coronary Heart Disease
Effect of Organic and Chemical Fertilizer Application on Growth, Yield, and Soil Biochemical Properties of Landrace Brassica napus L. Leaf-and-Stem Vegetable and Landrace (Norabona) (Articles)

Takamitsu Kai, Masahiko Tamaki

Journal of Agricultural Chemistry and Environment Vol.9 No.4，November 23, 2020

DOI: 10.4236/jacen.2020.94023 486 Downloads 1,949 Views Citations
Claisen and Intermolecular Rearrangement of Cinnamyloxynaphthalenes (Articles)

Yutaka Okada, Daisuke Imanari

International Journal of Organic Chemistry Vol.2 No.1，March 15, 2012

DOI: 10.4236/ijoc.2012.21007 7,993 Downloads 13,421 Views Citations
Development of Battery-Less Wireless Current Sensor Node Utilizing Charging Time of Capacitors with Wide Measurement Range (Articles)

Hironao Okada, Toshihiro Itoh

Wireless Sensor Network Vol.5 No.11，November 26, 2013

DOI: 10.4236/wsn.2013.511026 4,811 Downloads 7,165 Views Citations
M-ary FSK Modulation Using Short Packet without a Preamble and Error Detection Codes for Low Power Wireless Communication (Articles)

Hironao Okada, Toshihiro Itoh

Wireless Sensor Network Vol.6 No.3，March 28, 2014

DOI: 10.4236/wsn.2014.63005 5,159 Downloads 7,942 Views Citations
Thinking Process of Nursing Students’ Clinical Judgment in Pediatric Nursing Practicum (Articles)

Mari Okada, Yuko Tomari

Open Journal of Nursing Vol.7 No.11，November 21, 2017

DOI: 10.4236/ojn.2017.711091 1,041 Downloads 2,699 Views Citations
Effect of Microwave Irradiation on Friedel-Crafts Diphenylmethylation of Arenes (Articles)

Yutaka Okada, Masahiro Yamabe

Green and Sustainable Chemistry Vol.8 No.1，February 27, 2018

DOI: 10.4236/gsc.2018.81009 721 Downloads 1,667 Views Citations
Detection of Oxidized Ferrocenes by LC-MS with Electrospray Ionization Using Picric Acid as the Counter Ion (Articles)

Yutaka Okada, Masako Tsuchida

Int'l J. of Analytical Mass Spectrometry and Chromatography Vol.7 No.1，March 1, 2019

DOI: 10.4236/ijamsc.2019.71001 1,405 Downloads 2,540 Views Citations
Microwave Irradiation Effect on Intermolecular and Intramolecular Friedel-Crafts Acylation Reaction (Articles)

Yutaka Okada, Arisa Fujitsu

Green and Sustainable Chemistry Vol.10 No.1，February 13, 2020

DOI: 10.4236/gsc.2020.101002 511 Downloads 1,179 Views Citations
Effect of Microwave Irradiation on Oximation of Acetylferrocene (Articles)

Yutaka Okada, Ryuichi Maeda

Green and Sustainable Chemistry Vol.11 No.1，February 2, 2021

DOI: 10.4236/gsc.2021.111001 253 Downloads 937 Views Citations
Ligand Exchange Reaction of Ferrocene with Substituted Benzenes (Articles)

Yutaka Okada, Yoshiharu Kato

International Journal of Organic Chemistry Vol.12 No.1，March 8, 2022

DOI: 10.4236/ijoc.2022.121001 299 Downloads 1,006 Views Citations
Copper and Nitrogen Co-Doping Effect on Visible-Light Responsive Photocatalysis of Plasma-Nitrided Copper-Doped Titanium Oxide Film (Articles)

Ken-Ichi Hirota, Masahiko Maeda

Journal of Materials Science and Chemical Engineering Vol.5 No.12，December 27, 2017

DOI: 10.4236/msce.2017.512005 1,178 Downloads 2,726 Views Citations
Iron (III) Chloride Catalyzed Claisen Rearrangement Reaction of Allyloxyarenes under Microwave Conditions (Articles)

Indah Nur Pramesti, Yutaka Okada

Green and Sustainable Chemistry Vol.7 No.3，August 24, 2017

DOI: 10.4236/gsc.2017.73018 1,108 Downloads 2,482 Views Citations
A Scheme for Calculating Atomic Structures beyond the Spherical Approximation (Articles)

Mitiyasu Miyasita, Katsuhiko Higuchi, Masahiko Higuchi

Journal of Modern Physics Vol.2 No.5，May 17, 2011

DOI: 10.4236/jmp.2011.25052 6,958 Downloads 16,763 Views Citations
Self-Consistent Calculations on the Atomic Electron Affinity and Ionization Energy with Taking Effects of the Nonspherical Distribution of Electrons into Account (Articles)

Mitiyasu Miyasita, Katsuhiko Higuchi, Masahiko Higuchi

Journal of Modern Physics Vol.2 No.10，October 19, 2011

DOI: 10.4236/jmp.2011.210144 6,480 Downloads 15,710 Views Citations
Microfluidic Behavior of Ternary Mixed Carrier Solvents Based on the Tube Radial Distribution in Triple-Branched Microchannels in a Microchip (Articles)

Naoya Jinno, Masahiko Hashimoto, Kazuhiko Tsukagoshi

Journal of Analytical Sciences, Methods and Instrumentation Vol.2 No.2，June 29, 2012

DOI: 10.4236/jasmi.2012.22010 4,391 Downloads 8,005 Views Citations

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