JOURNAL of the JAPAN RESEARCH ASSOCIATION for TEXTILE END-USES
Online ISSN : 1884-6599
Print ISSN : 0037-2072
ISSN-L : 0037-2072
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Volume 48, Issue 6
Displaying 1-6 of 6 articles from this issue
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  • [title in Japanese]
    [in Japanese]
    2007 Volume 48 Issue 6 Pages 370-377
    Published: June 25, 2007
    Released on J-STAGE: September 30, 2010
    DOIhttps://doi.org/10.11419/senshoshi1960.48.370
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    2007 Volume 48 Issue 6 Pages 378-382
    Published: June 25, 2007
    Released on J-STAGE: September 30, 2010
    DOIhttps://doi.org/10.11419/senshoshi1960.48.378
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    2007 Volume 48 Issue 6 Pages 383-387
    Published: June 25, 2007
    Released on J-STAGE: September 30, 2010
    DOIhttps://doi.org/10.11419/senshoshi1960.48.383
    JOURNAL FREE ACCESS
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  • Effect of Surface Free Energies on the Detergency Phenomena of Particulate Soils
    Yumiko TAGAWA, Keiko GOTOH
    2007 Volume 48 Issue 6 Pages 389-395
    Published: June 25, 2007
    Released on J-STAGE: September 30, 2010
    DOIhttps://doi.org/10.11419/senshoshi1960.48.389
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    The detergency of particulate soil in aqueous solutions was examined by the quartz crystal microbalance (QCM) technique and was discussed on the basis of the surface free energies. The gold electrode and spin-coated film of polyethylene, nylon 6 and cellulose triacetate on the gold electrode of the QCM were used as substrates. As model particulate soils, polyethylene and nylon 12 particles were used. The QCM was perpendicularly immersed in aqueous dispersions of spherical particles to deposit the particles onto the substrate. After pulling the substrates out of the dispersion and drying in air, the substrates were cleaned in aqueous solutions with and without ethanol. The removal efficiency was calculated from the frequency changes of the QCM due to soil deposition and cleaning. The efficiency was dependent on the particles and substrates, and increased by the addition of ethanol in all system. The Lifshitz-van der Waals and acid-base components of the surface freed energy of the soil and substrate were estimated from the contact angles of three probe liquids. The detergency phenomenon in the present system was explained in terms of the free energy change due to soil removal, which was calculated from the surface free energy components.
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  • Correlation of Japanese Women's Body Proportions with Age and Height
    Ume KAWAKAMI
    2007 Volume 48 Issue 6 Pages 397-408
    Published: June 25, 2007
    Released on J-STAGE: December 10, 2010
    DOIhttps://doi.org/10.11419/senshoshi1960.48.397
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    The differences in the female body proportions of the older and younger generations have been pointed out previously. However, because the younger women are now much taller than the older women, the proportion differences should be explained by (1) the differences between women of the same height of different ages and (2) the differences between women of the same age of different heights. Therefore, the author calculated the proportions of each body part to height, measured from the front view of a subject, and studied the relationship between age groups and proportions both regardless of height (as is often the case) and for similar height groups. The author found that many proportions had close relationship with height. Also, many significant differences were found when the author compared proportions between age groups, but fewer distinct differences were found between age groups with similar height. This finding clarifies that many proportions do not differ on the basis of age but on the basis of height.
    Nevertheless, the comparison of similar height groups showed that the average ratio of crotch-height to overall height and that of front-waist-height to overall height of the women in their 20's are higher than those of women in their 30's. However, for the groups whose average heights are over 160 cm, the ratio of crotch-height to overall height did not differ significantly; therefore, the general tendency towards longer legs seems to be slowing down amongst taller subjects.
    Furthermore, the ratio of head and face sizes to overall height increased in general with older subjects. The ratio of total-head-height to height dropped sharply (not gradually) for 50's women of 145.150 cm tall group and for 60's women of 155.160 cm tall group. However, subjects of a variety of ages, but with similar heights had almost the same ratio of bitragion-breadth to height. However, the ratio of bigonial-breadth to height dropped sharply for 50's women of 145.150 cm, 150.155 cm and 155.160 cm tall groups.
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  • ERRATUM
    2007 Volume 48 Issue 6 Pages 417
    Published: 2007
    Released on J-STAGE: September 30, 2010
    DOIhttps://doi.org/10.11419/senshoshi1960.48.6_417
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