Takeshi Sakai - Articles - Scientific Research Publishing

Changes in Study Habits of Chinese Adolescents and Factors Supporting These Habits-Focusing on the Transition Period from Elementary School to Junior High School (Articles)

Kohei Okado, Noriyuki Kida, Takeshi Sakai

Psychology Vol.9 No.5，May 25, 2018

DOI: 10.4236/psych.2018.95068 1,296 Downloads 4,277 Views Citations
Three-Year Longitudinal Survey of Changes in Consciousness about Mathematics in Junior High School Students and Its Relationship with Academic Achievement (Articles)

Kohei Okado, Noriyuki Kida, Takeshi Sakai

Psychology Vol.10 No.1，January 14, 2019

DOI: 10.4236/psych.2019.101004 980 Downloads 2,116 Views Citations
Development the Scale of Ability of Preschool Teachers to Promote Children’s Mathematical Thinking, and Situational Analysis of Japanese Preschool Teachers (Articles)

Takeshi Sakai, Kohei Okado, Hideyuki Akai

Psychology Vol.10 No.12，September 26, 2019

DOI: 10.4236/psych.2019.1012113 801 Downloads 2,108 Views Citations
Asymmetric Electrostatic Force (Articles)

Katsuo Sakai

Journal of Electromagnetic Analysis and Applications Vol.6 No.10，September 12, 2014

DOI: 10.4236/jemaa.2014.610026 3,776 Downloads 5,114 Views Citations
This article belongs to the Special Issue on Electromagnetic Field Theory
Surface Properties of Cement Paste Evaluated by Scanning Probe Microscopy (Articles)

Yuya Sakai

Open Journal of Civil Engineering Vol.6 No.4，September 29, 2016

DOI: 10.4236/ojce.2016.64052 2,028 Downloads 3,534 Views Citations
A Study of Weighted Polynomial Approximations with Several Variables (II) (Articles)

Ryozi Sakai

Applied Mathematics Vol.8 No.9，September 6, 2017

DOI: 10.4236/am.2017.89093 934 Downloads 1,788 Views Citations
A Study of Weighted Polynomial Approximations with Several Variables (I) (Articles)

Ryozi Sakai

Applied Mathematics Vol.8 No.9，September 19, 2017

DOI: 10.4236/am.2017.89095 1,078 Downloads 1,984 Views Citations
A New Electrostatic Generator Driven by Only an Electric Field of an Electret (Articles)

Katsuo Sakai

Journal of Electromagnetic Analysis and Applications Vol.13 No.12，December 2, 2021

DOI: 10.4236/jemaa.2021.1312012 305 Downloads 2,160 Views Citations
A Third-Order Scheme for Numerical Fluxes to Guarantee Non-Negative Coefficients for Advection-Diffusion Equations (Articles)

Katsuhiro Sakai, Daishi Watabe

American Journal of Computational Mathematics Vol.1 No.1，March 30, 2011

DOI: 10.4236/ajcm.2011.11004 4,998 Downloads 11,165 Views Citations
Holter ECG-Based Apnea Hypopnea Index to Screen Obstructive Sleep Apnea: A New Proposal and Evaluation of Feasibility (Articles)

Motoki Sakai, Daming Wei

Journal of Biosciences and Medicines Vol.3 No.11，November 6, 2015

DOI: 10.4236/jbm.2015.311004 3,090 Downloads 4,471 Views Citations
Characterization of Acid-Soluble Collagen from Skins of Surf Smelt (Hypomesus pretiosus japonicus Brevoort) (Articles)

Takeshi Nagai

Food and Nutrition Sciences Vol.1 No.2，November 3, 2010

DOI: 10.4236/fns.2010.12010 8,254 Downloads 16,232 Views Citations
Incentives in Public and Privatized Firms under Incomplete Contracting Situations (Articles)

Takeshi Miyazaki

Theoretical Economics Letters Vol.2 No.3，August 2, 2012

DOI: 10.4236/tel.2012.23059 4,816 Downloads 7,932 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 580 Downloads 1,598 Views Citations
Concept Analysis of the Utilization of Artifacts in Nursing Practice Instruction (Articles)

Takeshi Matsumoto

Open Journal of Nursing Vol.15 No.1，January 21, 2025

DOI: 10.4236/ojn.2025.151003 70 Downloads 280 Views Citations
Specification and Verification of Dynamically Reconfigurable Systems Using Dynamic Linear Hybrid Automata (Articles)

Ryo Yanase, Tatsunori Sakai, Makoto Sakai, Satoshi Yamane

Journal of Software Engineering and Applications Vol.9 No.9，September 30, 2016

DOI: 10.4236/jsea.2016.99030 1,624 Downloads 2,550 Views Citations
This article belongs to the Special Issue on Formal Methods
Pseudocholinesterase Deficiency: A Case Report and Literature Review (Articles)

Patrick J. Hackett, Tetsuro Sakai

Open Journal of Anesthesiology Vol.2 No.4，September 5, 2012

DOI: 10.4236/ojanes.2012.24043 8,880 Downloads 15,093 Views Citations
Synthesis and Pigmental Properties of Nickel Phosphates by the Substitution with Tetravalent Cerium Cation (Articles)

Hiroaki Onoda, Takeshi Sakumura

Materials Sciences and Applications Vol.2 No.11，November 16, 2011

DOI: 10.4236/msa.2011.211211 7,211 Downloads 11,215 Views Citations
An Interactive Fuzzy Satisficing Method for Multiobjective Stochastic Integer Programming with Simple Recourse (Articles)

Masatoshi Sakawa, Takeshi Matsui

Applied Mathematics Vol.3 No.10A，November 1, 2012

DOI: 10.4236/am.2012.330180 5,776 Downloads 8,870 Views Citations
This article belongs to the Special Issue on Optimization
Optimization Scheme Based on Differential Equation Model for Animal Swarming (Articles)

Takeshi Uchitane, Atsushi Yagi

Open Journal of Optimization Vol.2 No.2，June 18, 2013

DOI: 10.4236/ojop.2013.22007 5,105 Downloads 9,403 Views Citations
Interactive Fuzzy Programming for Random Fuzzy Two-Level Integer Programming Problems through Fractile Criteria with Possibility (Articles)

Masatoshi Sakawa, Takeshi Matsui

Applied Mathematics Vol.4 No.8A，July 23, 2013

DOI: 10.4236/am.2013.48A006 5,082 Downloads 7,236 Views Citations
This article belongs to the Special Issue on Mathematical Modeling

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