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DEVELOPMENT OF NANOMETER-SCALED PHENOMENA TO MACROSCOPIC ENERGY CONVERSION SYSTEMS
Katsunori Hanamura 대한기계학회 2018 대한기계학회 춘추학술대회 Vol.2018 No.4
Nanometer-scaled Thermal Engineering was developed for proposing new energy conversion systems and for improving performance of the conventional systems. Here, a thermophotovoltaic generation system using near-field radiation transfer, an isotope quenching analysis for SOFCs and time-lapse SEM visualization of nanometer-scaled particulate trapping were introduced and discussed.
Tomoko Ogawa,Noriko Hanamura,Masako Yamashita,Minori Ito,Hiroko Kimura,Takashi Nakamura,Yumi Kashikura,Yuki Nohara,Aya Noro 한국유방암학회 2013 Journal of breast cancer Vol.16 No.2
An abdominal advancement flap (AAF) is a flap that pulls the elevated abdominal skin up and creates the shape of the inferior portion of the breast by making a neo-inframammary fold. Seven patients underwent remodeling using an AAF or a method combining an AAF with other volume displacement techniques after partial mastectomy. The excision volume ranged from 15% to 35%. AAF with only mobilization of the gland flaps was performed in two cases, with lateral mammoplasty in one case, with the round block technique (RBT) in one case, with a modified RBT in one case, and with medial mammoplasty in two cases. Although one patient treated with a RBT had a partial blood-flow insufficiency of the nipple-areola complex, it improved with conservative treatment. The cosmetic results were found to be excellent in three cases, good in three, and fair in one case.
Tomoko Ogawa,Noriko Hanamura,Masako Yamashita,Hiroko Kimura,Minori Ito,Takashi Nakamura,Yumi Kashikura,Yuki Nohara,Aya Noro 한국유방암학회 2012 Journal of breast cancer Vol.15 No.4
We introduce a method combining two oncoplastic techniques for breast-conserving reconstruction. The procedure is as follows: first, an extended glandular flap is made by undermining the breast from both the skin and the pectoralis fascia to the upper edge of the breast at the subclavicular area. After modeling the breast mound with the extended glandular flap, an inframammary adipofascial flap is made. The flap is reflected back to the breast area remodeled using the extended glandular flap. After reshaping the breast, the inframammary line is then re-shaped. This method is indicated for patients with breast cancer in the outer portion of the breast, who have small dense breasts, and have undergone a large excision of about 40% of their breast volume. We treated four patients, all of whom had either excellent or good cosmetic results with no fat necrosis.
Yuki Nohara,Noriko Hanamura,Hisamitsu Zaha,Hiroko Kimura,Yumi Kashikura,Takashi Nakamura,Aya Noro,Nao Imai,Mai Shibusawa,Tomoko Ogawa 한국유방암학회 2015 Journal of breast cancer Vol.18 No.1
Purpose: Although various strategies have been reported, thereare no defined criteria for cosmetic evaluation methods afterbreast-conserving surgery (BCS). Since Asians tend to havesmaller breasts, indistinct inframammary folds, and conspicuousscars, differences in the cosmetic results are expected. So weexamined two subjective methods and one objective method todetermine the differences, and elements necessary for a cosmeticevaluation after BCS. Methods: Frontal photographs of 190Japanese were evaluated using the Harris scale (Harris) and theevaluation method proposed by the Japanese Breast Cancer SocietySawai group (Sawai group) as the subjective methods, andthe Breast Cancer Conservation Treatment cosmetic results(BCCT.core) as the objective method, respectively. In order to examinethe necessary elements for developing a new ideal method,100 out of 190 were selected and assessed separately by sixraters using both the Harris and modified Sawai group methodsin the observer assessment. The correlation between the twomethods was examined using the Spearman rank-correlation coefficient. Results: The results of the BCCT.core and the other twomethods were clearly different. In the observer assessment, theconsensuses of the six raters were evaluated as follows: 27, 27,26, and 20 cases were evaluated as “excellent,” “good,” “fair,”and “poor,” respectively. For the Spearman rank-correlation coefficient,values higher than 0.7 indicated a strong correlation, asseen by the values of 0.909 for the breast shape and 0.345 forthe scar. The breast shape accounted for the most significantpart of the evaluation, and the scar had very little correlation. Conclusion:In this study, we recognized a clear difference betweenthe subjective and objective evaluation methods, and identifiedthe necessary elements for cosmetic evaluation. We would like tocontinue developing an ideal cosmetic evaluation that is similar tosubjective one and is independent from raters.
Kang, Joo Hee,Torizuka, Shiro,Hanamura, Toshihiro Trans Tech Publications, Ltd. 2007 Materials science forum Vol.558 No.-
<P>The microstructural change was observed during large strain high Z deformation with high strain rate in high temperature range using ultra low carbon steel. The finer grains were obtained as decreasing the deformation temperature and increasing the strain rate. And the fraction of high angle grain boundaries became higher in low deformation temperature and strong texture of ferrite recrystallized dynamically was measured such as ND//<100>,<111> and RD//<110>. The change of grain size could be analyzed by Zener-Hollomon parameter, whereas the duration has large effect on the deviation of expected grain size in deformation with high strain rate.</P>