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Nobuyoshi Koga

Researcher at Hiroshima University

Publications -  187
Citations -  7329

Nobuyoshi Koga is an academic researcher from Hiroshima University. The author has contributed to research in topics: Thermal decomposition & Isothermal process. The author has an hindex of 40, co-authored 170 publications receiving 5789 citations. Previous affiliations of Nobuyoshi Koga include Spanish National Research Council & Czechoslovak Academy of Sciences.

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ICTAC Kinetics Committee recommendations for collecting experimental thermal analysis data for kinetic computations

TL;DR: In this paper, the authors present a set of recommendations for obtaining kinetic data that are adequate to the actual kinetics of various processes, including thermal decomposition of inorganic solids; thermal and thermo-oxidative degradation of polymers and organics; reactions of solids with gases; polymerization and crosslinking; crystallization of polymer and inorganics; hazardous processes.
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Kinetic Analysis of Solid-State Reactions: The Universality of Master Plots for Analyzing Isothermal and Nonisothermal Experiments

TL;DR: In this paper, the concept of generalized time, introduced by Ozawa, has been used to define master plots for the analysis of solid-state reactions, regardless of the type of temperature program used for recording the experimental data.
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ICTAC Kinetics Committee recommendations for analysis of multi-step kinetics

TL;DR: The present recommendations provide guidance on kinetic analysis of multi-step processes as measured by thermal analysis methods such as thermogravimetry and differential scanning calorimetry.
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Improvement of Quality in Publication of Experimental Thermophysical Property Data: Challenges, Assessment Tools, Global Implementation, and Online Support

TL;DR: A 10-year cooperative effort between the U.S. National Institute of Standards and Technology (NIST) and five major journals in the field of thermophysical and thermochemical properties to improve the quality of published reports of experimental data is described in this article.
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Crystallization of amorphous calcium carbonate

TL;DR: In this paper, the enthalpy change and activation energy of the crystallization process increased with increasing pH value of sample preparation, ranging from 3.99 to 12.26kJ(mol CaCO 3 ) −1 and from 151.6 to 304.1kJ (kJ)mol −1, respectively.