Netsu Sokutei
Online ISSN : 1884-1899
Print ISSN : 0386-2615
ISSN-L : 0386-2615
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Volume 6, Issue 1
Displaying 1-7 of 7 articles from this issue
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  • Density Measurement of Fluids with a Vibrating Densimeter at several Temperatures
    Reiji Tanaka
    1979 Volume 6 Issue 1 Pages 2-5
    Published: February 10, 1979
    Released on J-STAGE: September 07, 2009
    DOIhttps://doi.org/10.11311/jscta1974.6.2
    JOURNAL FREE ACCESS
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    The ability of a vibrating densimeter developed by Picker et al. was examined for fluids including nitrogen gas, water, and organic liquids at 298.15K, 299.15K, and 303.15K. The relationship for vibration period vs. liquid density could be verified to be linear consistently for the investigated fluids at a fixed temperature.
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  • Thermoluminescence from γ-ray Irradiated n-Paraffins
    Toshimasa Hashimoto, Tetsuya Sakai
    1979 Volume 6 Issue 1 Pages 6-9
    Published: February 10, 1979
    Released on J-STAGE: September 07, 2009
    DOIhttps://doi.org/10.11311/jscta1974.6.6
    JOURNAL FREE ACCESS
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    This paper presents some of the results obtained from a study of thermoluminescence (TL) in γ-ray irradiated normal paraffins above room temperature. The samples used were commercial paraffins of which carbon number was ranging from 21 to 40. After irradiation, samples were warmed from room temperature to above melting points.
    A characteristic sharp TL peaks having very narrow half-line width of around 0.5°C were observed for all samples. The sharp peaks were stable and remained constant in spite of varying with heating rate ranging from 1 to 15°C min-1. Comparison TL glow curve with DSC curve leads to the conclusion that the sharp glow peaks are in good agreement with the solid state transition points.
    From these facts, it seems expected that normal paraffins are available as a standard sample to check a temperature calibration for TL experiments of organic materials.
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  • The Application of Thermoanalytical Methods to Photoetching Processes
    Kiyokatsu Jinno
    1979 Volume 6 Issue 1 Pages 10-15
    Published: February 10, 1979
    Released on J-STAGE: September 07, 2009
    DOIhttps://doi.org/10.11311/jscta1974.6.10
    JOURNAL FREE ACCESS
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    Many physical and chemical techniques are used in the fabrication processes of semiconductor devices exemplified with large scale integration (LSI).
    Photoetching processes are of growing importance in the drive toward more complex microelectronics with smaller dimensions. The organic compounds contained photosensitive or radiosensitive materials (photoresists or electron beam and x-ray resists) are used in these processes as masking materials, and it is necessary to know the thermal characteristics of them in order to yield the high accuracy fabrication.
    Meanwhile, the thermoanalytical methods are considered the best technique to know the thermal characteristics of organic materials.
    The purpose of this report is to describe the application of thermoanalytical methods to the photoetching processes in the LSI fabricatiõn. The investigations indicate that the thermoanalytical methods are very useful to select the resists materials and to establish the best treatment conditions in photoetching processes.
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  • Merits and application of Q-Derivatograph
    Ryokichi Tsuchiya, Akira Uehara
    1979 Volume 6 Issue 1 Pages 16-18
    Published: February 10, 1979
    Released on J-STAGE: September 07, 2009
    DOIhttps://doi.org/10.11311/jscta1974.6.16
    JOURNAL FREE ACCESS
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  • WORKSHOP ON BIOCALORIMETRY
    Hiroshi Suga, Toshiharu Takizawa, Takao Kodama
    1979 Volume 6 Issue 1 Pages 19-22
    Published: February 10, 1979
    Released on J-STAGE: September 07, 2009
    DOIhttps://doi.org/10.11311/jscta1974.6.19
    JOURNAL FREE ACCESS
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  • A Review of Calorimetric Investigations of the Thermodynamics of Actomyosin ATPase
    Roger C. Woledge, Takao Kodama
    1979 Volume 6 Issue 1 Pages 23-29
    Published: February 10, 1979
    Released on J-STAGE: September 07, 2009
    DOIhttps://doi.org/10.11311/jscta1974.6.23
    JOURNAL FREE ACCESS
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  • Microcalorimetric Studies of Hemoglobin
    S. J. Gill
    1979 Volume 6 Issue 1 Pages 30-38
    Published: February 10, 1979
    Released on J-STAGE: September 07, 2009
    DOIhttps://doi.org/10.11311/jscta1974.6.30
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    This paper reviews calorimetric results obtained on ligand binding reactions to various hemoglobins. A special gas-liquid microcalorimeter has been developed for these studies. Both liquid-liquid and gas-liquid titrations can be performed with the system. Application of this method has been made to determine the heats of CO(g) and IHP(aq) binding to a variety of hemoglobins under various conditions. Results for human hemoglobins normal A and M Iwate show differences due to allosteric changes and proton release values. The heats measured are sensitive to buffer and counterion species. Proper cognizance of these effects is needed in order to interpret the measured heat values. Calorimetric gas titrations have also been made to examine the heat of CO(g) ligation as a function of extent of reaction. In the case of Hb A, no discernible differences are found between 5 to 95% degree of saturation. However, hemoglobin Trout I shows a marked dependence of the heat of reaction with degree of saturation. A full analysis of the calorimetric results of Trout I in conjunction with binding curve data has allowed an optimal determination of stepwise equilibrium constants and enthalpies of reaction for this hemoglobin.
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