Netsu Sokutei
Online ISSN : 1884-1899
Print ISSN : 0386-2615
ISSN-L : 0386-2615
Search
Advanced search
OR
Browse
Search
Volume 29, Issue 2
Displaying 1-7 of 7 articles from this issue
Show all abstracts
    • |<
    • <
    • 1
    • >
    • >|
  • Thermal Analysis of Plant
    Jun Magoshi
    2002 Volume 29 Issue 2 Pages 58-61
    Published: March 30, 2002
    Released on J-STAGE: September 07, 2009
    DOIhttps://doi.org/10.11311/jscta1974.29.58
    JOURNAL FREE ACCESS
    Show abstractHide abstract
    Seed plants, such as rice, wheat, soybean, and corn, are very important as food sources for people around the world. Thus, as the world's population increases, it is necessary that food quality and production are developed. Selective breeding of plants requires seed preservation at low temperature.
    Changes in the freezing and non-freezing water of unpolished rice grains at each growth stage after flowering were measured by differential scanning calorimetry (DSC). The weight of water in unpolished rice grains rapidly increased until 10 days after flowering. Twenty days after flowering, the weight of water decreased. The length of unpolished rice grains remained unchanged after 10 days. The content of non-freezing water peaked at the 10th day. The content in non-freezing water was constant after 20 days. The glass transition temperature was constant at about -100°C up to 40 days after flowering. The glass transition temperature was abruptly increased after the 40th days, when the freezing (unbound) water in the rice grains was no longer observed in the unpolished rice. The glass transition temperature of the unpolished rice is dependent on the moisture content of the grains.
    View full abstract
    Download PDF (1322K)
  • Thermal Behavior in the Electrochemical Reaction Process
    Yasuhisa Maeda
    2002 Volume 29 Issue 2 Pages 62-71
    Published: March 30, 2002
    Released on J-STAGE: September 07, 2009
    DOIhttps://doi.org/10.11311/jscta1974.29.62
    JOURNAL FREE ACCESS
    Show abstractHide abstract
    Thermal measurement on the electrode by use of thermistors was carried out in some electrochemical reaction processes. The thermal response reflecting the entropy change for deintercalation of various ions (L+, K+, ClO4-, BF4-), doping of SO42- and H+ elimination, and doping/dedoping of ClO4- was cleary obtained on the graphite, polyaniline and polypyrrole electrodes, respectively. The combination of electrochemical and thermal methods can provide useful information for understanding of reaction process.
    View full abstract
    Download PDF (1495K)
  • Evaluation of Uncertainty in Thermal Expansivity Measurements
    Naofumi Yamada
    2002 Volume 29 Issue 2 Pages 72-81
    Published: March 30, 2002
    Released on J-STAGE: September 07, 2009
    DOIhttps://doi.org/10.11311/jscta1974.29.72
    JOURNAL FREE ACCESS
    Show abstractHide abstract
    Evaluating the uncertainty of the result of a measurement of a physical quantity is very effective to the improvement of the measurement technique. The new expression of uncertainty in measurements has been established to standardize the expression of error evaluation on measurement results. In this text, the sources of uncertainty on thermal expansion measurement techniques by using a pushrod dilatometer and a laser interferometric dilatometer were classified and the uncertainty of the result in the linear thermal expansivity measurements was presented according to the guide of the expression of uncertainty.
    View full abstract
    Download PDF (1890K)
  • Calorimetry Photon Detectors
    Kazuhisa Mitsuda
    2002 Volume 29 Issue 2 Pages 82-91
    Published: March 30, 2002
    Released on J-STAGE: September 07, 2009
    DOIhttps://doi.org/10.11311/jscta1974.29.82
    JOURNAL FREE ACCESS
    Show abstractHide abstract
    Energy-dispersive photon detection with quantum microcalorimeters are reviewed emphasis with on the Transition Edge Sensor (TES) microcalorimeters. At X-ray wavelengths, these detectors realize high energy resolution and high quantum efficiency at the same time, and thus are very useful for observations of very weak cosmic X-rays. The signal response and the noise of the detectors are discussed. We show that they can detect photons of wide energy ranges; from infra-red to hard X-rays.
    View full abstract
    Download PDF (2477K)
  • [title in Japanese]
    2002 Volume 29 Issue 2 Pages 92
    Published: March 30, 2002
    Released on J-STAGE: September 07, 2009
    DOIhttps://doi.org/10.11311/jscta1974.29.92
    JOURNAL FREE ACCESS
    Download PDF (186K)
  • Characterization of Polymer Material for Optical Disc by TMA under the Controlled Moisture Atmosphere
    Chiho Yamaguchi, Nobuaki Okubo
    2002 Volume 29 Issue 2 Pages 93-94
    Published: March 30, 2002
    Released on J-STAGE: September 07, 2009
    DOIhttps://doi.org/10.11311/jscta1974.29.93
    JOURNAL FREE ACCESS
    Download PDF (304K)
  • Collapse of World Trade Center because of Fire
    M. Tsujimoto
    2002 Volume 29 Issue 2 Pages 96
    Published: March 30, 2002
    Released on J-STAGE: September 07, 2009
    DOIhttps://doi.org/10.11311/jscta1974.29.96
    JOURNAL FREE ACCESS
    Download PDF (193K)
    • |<
    • <
    • 1
    • >
    • >|
feedback
 Top