論文など

2023.09.21

学位論文
熱音響冷却システムに関する研究
－ループ管の実用化に向けた基礎研究－
同志社大学大学院工学研究科 博士（工学）

論文

  1.  S. Sakamoto, and Y. Watanabe, “Effects of Existence of Micro Bubbles for Increase of Acoustic Steaming,” Jpn. J. Appl. Phys., Vol. 38 Part 1 No. 5A, pp. 3050-3052, 1999.（1番目）
  2. T. Okabe, S. Sakamoto, and Y. Watanabe, “Experimental Study on Acoustic Streaming in Water Containing Microcapsules,” Jpn. J. Appl. Phys., Vol. 40 No.5A, pp. 3861-3864, 2001.（2番目）
  3. S. Sakamoto, and Y. Watanabe, “The experimental studies of thermoacoustic cooler,” Ultrasonics, Vol. 42, pp. 53-56, 2004.（1番目）
  4. S. Sakamoto, T. Tsujimoto, and Y. Watanabe, “Generation Mechanism of Heat Flows near the Stack as a Prime Mover in a Thermoacoustic Cooling System,” Jpn. J. Appl. Phys., Vol. 43 No. 5A, pp. 2751-2753, 2004.（1番目）
  5. S. Sakamoto, and Y. Watanabe, “Experimental study on resonance frequency of loop-tube-type thermoacoustic cooling system,” Acoust. Sci. & Tech., Vol. 27 No. 6, pp. 361-365, 2006.（1番目）
  6. S. Sakamoto, and Y. Watanabe, “Improvement in Performance of Stack as Heat Pump of Thermoacoustic Cooling System : Effect of Thickness of Heat Boundary Layer upon Cooling Effect,” Jpn. J. Appl. Phys., Vol. 45 No. 12, pp. 9257-9258, 2006.（1番目）
  7. S. Sakamoto, Y. Imamura, and Y. Watanabe, “Improvement of Cooling Effect of Loop-Tube-Type Thermoacoustic Cooling System Applying Phase Adjuster,” Jpn. J. Appl. Phys., Vol. 46, No. 7B, pp. 4951-4955, 2007.（1番目）
  8. Y. Imamura, S. Sakamoto, and Y. Watanabe, “Modulation of Sound Field in Looped Tube Thermoacoustic Cooling System with Membrane,” Jpn. J. Appl. Phys., Vol. 46, No. 7A, pp. 4417-4420, 2007.（2番目）
  9. H. Yoshida, S. Sakamoto, and Y. Watanabe, “Study on Thermoacoustic Cooling System Using a Resonance Tube to Induce One-wavelength Mode Resonance,” Jpn. J. Appl. Phys., Vol. 46, No. 7A, pp. 4413-4416, 2007.（2番目）
  10. 坂本眞一，渡辺好章，“音と熱のコラボレーション －熱音響冷凍機実現に向けて－，” 電子情報通信学会誌，Vol. 90，No. 11， pp. 993-997, 2007．（1番目）
  11. 原康人，坂本眞一，長谷芳樹，渡辺好章，“「熱の影響による音圧変化を考慮した音響FDTDシミュレーション～温度勾配のある細流路を通過する音波について～」,” Acoust. Sci. & Tech., Vol. 63 No. 12, pp. 701-707, 2007.（2番目）
  12. S. Sakamoto, and Y. Watanabe, “Reduction in Temperature Difference of Prime Mover Stack in Loop-Tube-Type Thermoacoustic Cooling System by Applying Phase Adjuster,” Jpn. J. Appl. Phys., Vol. 47, No. 5, pp. 3776-3780, 2008.（1番目）
  13. S. Sakamoto, M. Nishikawa, T. Ishino, Y. Watanabe, and J. Senda, “Effect of Inner Diameter Change of Phase Adjuster on Heat-to-Sound Energy Conversion Efficiency in Loop-Tube-Type Thermoacoustic Prime Mover,” Jpn. J. Appl. Phys., Vol. 47, No. 5, pp. 4223-4225, 2008.（1番目）
  14. Y. Tsuji, S. Sakamoto, T. Ishino, Y. Watanabe, and J. Senda, “How to Design a Thermoacoustic System Considering the Relaxation Time : Introduction of Parameter ω to Determine the Position of Stack,” Jpn. J. Appl. Phys., Vol. 47, No. 5, pp. 4231-4234, 2008.（2番目）
  15. N. Miya, S. Sakamoto, and Y. Watanabe, “Effect of Copper Mesh at Interface between Stack and Heat Source in Thermoacoustic Cooling System,” Jpn. J. Appl. Phys., Vol. 47, No. 5, pp. 4235-4238, 2008.（2番目）
  16. T. Wakata, S. Sakamoto, M. Nishikawa, and Y. Watanabe, “Miniaturization of Thermoacoustic Cooling System Considering Energy Conversion Efficiency Estimated Using Specific Parameter,” Jpn. J. Appl. Phys., Vol. 47, No. 5, pp. 4239-4241, 2008.（2番目）
  17. 坂本眞一，渡辺好章，“音で冷やす，音で暖める －熱音響技術－，” 日本機械学会誌，Vol. 111，No. 1074，pp. 60-63, 2008.（1番目）
  18. 坂本眞一，小宮慎太郎，渡辺好章，“熱音響原動機における非線形現象とその影響について，” 電子情報通信学会論文誌 A，Vol. J91-A, No. 12, pp. 1161-1165, 2008.（1番目）
  19. T. Ishino, S. Sakamoto, M. Nishikawa, and Y. Watanabe, “Applying Diverging Tube for the Low-Temperature Drive in a Loop-Tube-Type Thermoacoustic System,” Jpn. J. Appl. Phys., 07GM12-1-3, 2009.（2番目）
  20. A. Sakaguchi, S. Sakamoto, Y. Tsuji, and Y. Watanabe, “Energy Conversion from Sound to Heat by Using Lamination Mesh on the Thermoacoustic System,” Jpn. J. Appl. Phys., 07GM13-1-3, 2009.（2番目）
  21. S. Sakamoto, H. Yoshida, A. Sakaguchi, and Y. Watanabe “Heat Pump Placed in the Resonance Tube Connected to the Loop-Tube-Type Thermoacoustic Cooling System Improves the Cooling Effect,” Jpn. J. Appl. Phys., 07GM01-1-4, 2009.（1番目）
  22. Y. Kitadani, S. Sakamoto, K. Sahashi, and Y. Watanabe, “Basic study for practical use of thermoacoustic electric generation system,” International Conference on Acoustics 2010, Proc., Sydney, Australia, 2010.（2番目）
  23. S. Sakamoto, D. Tsukamoto, Y. Kitadani, and Y. Watanabe, “Effect of Sub-Loop Tube on Energy Conversion Efficiency of Loop-Tube-Type Thermoacoustic System,” International Conference on Acoustics 2010, Proc., Sydney, Australia, 2010.（1番目）
  24. T. Tanaka, M. Muramatsu, T. Takagi, N. Kakimoto, Y. Inui, and S. Sakamoto, “Investigation on Transient Voltage Response of Lithium-Ion Secondary Battery Degraded by Constant Current Charge/Discharge Cycles,” Proceedings of International Conference on Electrical Engineering 2011, ICEE-A167, 2011.（6番目）
  25. K. Hotta, S. Sakamoto, D. Tsukamoto, and Y. Watanabe, “Miniaturization of the loop-tube-type thermoacoustic cooling system– Effect of the installation position of heat pump and working gas in the tube –,” Jpn. J. Appl. Phys., 07HE17, 2011.（2番目）
  26. 小宮慎太郎，坂本眞一，渡辺好章，”熱音響プライムムーバのエネルギー変換効率向上に向けた研究-スタック内の温度勾配に関する検討-，”Thermal Science & Engineering Vol.19 No.1, pp. 9-16, 2011. （2番目）
  27. 堀田浩平，坂本眞一，渡辺好章，“小型熱音響冷却システムにおけるスタック位置とヒートポンプ効果について,” Acoust. Sci. & Tech., . Vol. 67, No. 4, pp. 145-151, 2011. （2番目）
  28. 北谷裕次，坂本眞一，黒田健太朗，渡辺好章，” 大型熱音響冷却システムの実用化に向けた検討（管の断面積が熱から音へのエネルギー変換に与える影響），”日本機械学会論文集（B編），77巻，776号，pp. 112-116, (2011-4), 2010. （2番目）
  29. S. Sakamoto, K. Sahashi, Y.Kitadani, T.Ishino,and Y. Watanabe, “Applying Sub-Loop Tube to Control the Sound Field in Loop-Tube-Type Thermoacoustic System,” Jpn. J. Appl. Phys., 07HE20-1 -5, 2011.（1番目）
  30. M. Nishikori, T. Tsuchiya, and S. Sakamoto, “Finite element analysis of the standing wave field in a tube with lossy wall for thermoacoustic system,” Jpn. J. Appl. Phys., 07HE21-1 -4, 2011.（3番目）
  31. K.Sahashi, S. Sakamoto, and Y. Watanabe, “Fundamental study for a working mechanism of Phase Adjuster set on thermoacoustic cooling system”, International Congress on Ultrasonics 2011 Proceedings, , pp. 613-619, 2012.（2番目）
  32. S. Sakamoto, K. Shibata, Y. Kitadani, Y. Inui, and Y. Watanabe, ” One factor of resonant wavelength shift from onewavelength to two-wavelength resonance in loop-tube-type thermoacoustic cooling system”, International Congress on Ultrasonics 2011 Proceedings, pp. 628-631, 2012.（1番目）
  33. Y. Kitadani, S. Sakamoto, K. Sahashi, S. Komiya, and Y. Watanabe, “Long-Term Drive in Loop-Tube Using Solar Heat Energy —Basic Study for Practical Use of Thermoacoustic Cooling System—,” J Journal of Power and Energy Systems, Vol. 6 (2012), No. 1, pp. 1-5.（2番目）
  34. K. Sahashi, S. Sakamoto, K. Kuroda, and Y. Watanabe, “Relation between Acoustic Impedance and Sound Intensity Amplification in a Stack of Standing-Wave Thermoacoustic Prime Mover”, Jpn. J. Appl. Phy., 07GE02, 2012.（2番目）
  35. K. Kuroda, S. Sakamoto, K. Shibata, Y. Nakano, T. Tsuchiya, and Y. Watanabe, “Fundamental study for the solution of thermoacoustic phenomenon using numerical calculation – Relation between the stack installation position and heat flow -“, Jpn. J. Appl. Phy., 07GE01, 2012.（2番目）
  36. K. Shibata, S. Sakamoto, Y. Nakano, and Y. Watanabe, ” Relationship between Quality Value and Temperature Ratio for Step-Shape Thermoacoustic System”, Jpn. J. Appl. Phy., 07HE06, 2013.（2番目）
  37. Yosuke Nakano, Shin-ichi Sakamoto and Yoshiaki Watanabe, “Study on thermoacoustic system to drive by low temperature -Effects of looptube thermoacoustic system connected with parallel double stacks on the onset temperature ratio,” Proceedings of Meetings on Acoustics, Vol. 19, 030005 (2013), 6p, 21st International Congress on Acoustics, Palais, Montreal, Canada, 3, June, 2013.（2番目）
  38. Manabu Inoue, Shin-ichi Sakamoto, Yosuke Nakano, Yoshiaki Watanabe, “The effect of resonance mode control by expanding of cross-section area on cooling capacity in a loop-tube type thermoacoustic cooling system, ” Proceedings of Meetings on Acoustics, Vol. 19, 030006 (2013), 5p, 21st International Congress on Acoustics, Palais, Montreal, Canada, 3, June, 2013.（2番目）
  39. Shin-ich Sakamoto, Manabu Inoue, Yosuke Nakano, Yuichiro Orino, Yoshitaka Inui, Takumi Ikenoue and Yoshiaki Watanabe,“Introduction of conical phase adjuster for thermoacoustic system” Proceedings of Meetings on Acoustics, Vol. 19, 045087 (2013), 6p, 21st International Congress on Acoustics, Palais, Montreal, Canada, 3, June, 2013．（1番目）
  40. T. Ikenoue, S. Sakamoto, Y. Inui: “Fabrication and Characteristics of p-type Cu2O Thin Films by Ultrasonic Spray-assisted Mist CVD Method”, Japanese Journal of Applied Physics, Vol. 53, pp. 05FF06-1–05FF06-3 (2014) .（2番目）
  41. T. Ikenoue, S. Sakamoto, Y. Inui: “Fabrication and Characterization of Cu2O, ZnO and ITO Thin Films Toward Oxide Thin Film Solar Cell by Mist Chemical Vapor Deposition Method”, Physica Status Solidi C, Vol. 11, No. 7-8, pp. 1237-1239 (2014) .（2番目）
  42. Yuichiro Orino, Shin-ichi Sakamoto, Yoshitaka Inui, Takumi Ikenoue and Yoshiaki Watanabe, “Numerical analysis of the effect of local diameter reduction on the critical temperature of thermoacoustic oscillations in a looped tube,” Jpn. J. Appl. Phys. 53 07KE13 (2014). （2番目）
  43. 折野裕一郎，坂本眞一，乾義尚，池之上卓己，渡辺好章，“「熱音響システムにおけるPhase Adjusterの音響特性に関する検討 ―直管強制駆動による線形モデルの評価―」,” Acoust. Sci. & Tech., Vol. 70 No. 8, pp. 426-432, 2014.（2番目）
  44. Yosuke Nakano, Shin-ichi Sakamoto, Aiko Kido, Yoshiaki Watanabe, “Development of parallel thermoacoustic engine: Evaluations of onset temperature ratio and thermal efficiency”, Acoustical Science and Technology Vol. 36(2015) No. 2, P149-154, 2015. （2番目）
  45. Tatsuya Ishino, Shin-ichi Sakamoto, Yuichiro Orino, Yoshitaka Inui and Yoshiaki Watanabe, “Effect of the relative installation position of two enlarged prime movers on the onset temperature in loop-tube-type multistage thermoacoustic system,” Jpn. J. Appl. Phys. 54, 07HE11 (2015). （2番目）
  46. So Ueno, Shin-ichi Sakamoto, Yuichiro Orino, Takahiro Wada, Yoshitaka Inui and Yoshiaki Watanabe, “Effect of the input power of a thermoacoustic system with diameter-expanded prime movers,” Jpn. J. Appl. Phys. 55, 07KE13 (2016).（2番目）
  47. Aiko Kido, Shin-ichi Sakamoto, Kazusa Taga and Yoshiaki Watanabe, “Control of self-excitation mode in thermoacoustic system using heat phase adjuster,” Jpn. J. Appl. Phys. 55, 07KE14 (2016).（2番目）
  48. T. Wada, S.Sakamoto, Y. Orino, S. Ueno, and Y. Kajiura, “Effect of temperature distribution of thermal buffer tube on onset temperature in a straight-tube-type thermoacoustic prime mover,” Jpn. J. Appl. Phys., Vol. 56, No. 7S1, pp. 07JE09 (2017).（2番目）
  49. S. Ueno, S. Sakamoto, Y. Orino, “Effect of stack channel radius on the cooling performance of a thermoacoustic cooling system with diameter-expanded prime movers,” Jpn. J. Appl. Phys., Vol. 56, No. 7S1, pp. 07JE07-3 (2017). （2番目）
  50. S. Kawaminami, S. Sakamoto, S. Fukuda and Y. Watanabe, “Step-type thermoacoustic system saturated with water vapor: Study for stabilization of low-temperature driving,” Jpn. J. Appl. Phys., Vol. 56, No. 7S1, pp. 07JE12-4 (2017).（2番目）
  51. H. Morishita, S. Sakamoto, Y. Watanabe, “Controlling a thermoacoustic system using a Heat Phase Adjuster (HPA) －Study for improving the energy conversion efficiency－”, Thermal Sci. Eng., Vol. 26, No. 1, 2018. （2番目）
  52. Kenshiro Inui, Shin-ichi Sakamoto, Kohei Egawa, Takahiro Wada, and Shintaro Kataoka, “Influence of local inner diameter changes on the onset temperature and the energy conversion efficiency of a loop-tube-type thermoacoustic system,” Jpn. J. Appl. Phys. 57, 07LE01 (2018).（2番目）
  53. Kohei Egawa, Shin-ichi Sakamoto, Yuichiro Orino, Yuya Yamaga, and Kenshiro Inui, “Effect of the expanded part length on the quality value in straight-tube-type thermoacoustic system with a diameter-expanded　prime mover.” Jpn. J. Appl. Phys., Vol. 57, 07LE10 (2018).（2番目）
  54. Yukihiro Takeyama, Shin-ichi Sakamoto and Yoshiaki Watanabe, “Study on the setting position of a prime mover in the coaxial-type thermoacoustic cooling system: Comparison with the straight-tube-type thermoacoustic system” Jpn. J. Appl. Phys., Vol. 57, 07LE14 (2018). （2番目）
  55. Nami Yanagisawa, Masafumi Koshiyama, Yumi Watanabe, Shigeyasu Sato, Shin-ichi Sakamoto, “A Quantitative Method to Measure Skin Thickness in Leg Edema in Pregnant Women Using B-Scan Portable Ultrasonography: A Comparison Between Obese and Non-Obese Women.” January 2019, Medical science monitor: international medical journal of experimental and clinical research 25:1-9.（5番目）
  56. K. Shiraki, S. Sakamoto, Y. Watanabe, Influence of acoustic impedance in a locally hot region on a thermoacoustic system, Jpn. J. Appl. Phys., Vol. 58, No. SG, p. SGGD16 (2019) （2番目）
  57. M. Sugimoto, S. Sakamoto, Y. Kurata, Y. Kawashima, Y. Watanabe, Influence of internal heating of stack on the work flow generation in standing wave thermoacoustic system, Jpn. J. Appl. Phys., Vol. 58, No. SG, p. SGGD06 (2019) （2番目）
  58. D. Kuroki, S. Sakamoto, Y. Takeyama, Y. Watanabe, Study of the low-temperature driving of a thermoacoustic system: comparison of temperature distributions in the stack with and without water supply, Jpn. J. Appl. Phys., Vo. 58, No. SG, p .SGGD13 (2019) （2番目）
  59. 宮城茂幸，小澤恵子，森谷季吉，坂本眞一，酒井道，“簡易型嚥下評価システムの構築に向けて―嚥下音と頸部深度画像を併用した嚥下評価手法の開発―，”地域ケアリング, Vol. 21, No. 3, pp. 75-79, 2019.（4番目）
  60. Yumiko Watanabe, Masafumi Koshiyama,Keiko Seki, Miwa Nakagawa, Eri Ikuta, Makiko Oowaki and Shin-ichi Sakamoto, “Development and Themes of Diagnostic and Treatment Procedures for Secondary Leg Lymphedema in Patients with Gynecologic Cancers” Healthcare 2019, 7(3), 101.（7番目）
  61. Jun Yoshida, Keiko Kozawa, Sueyoshi Moritani, Shin-ichi Sakamoto, Osamu Sakai, Shigeyuki Miyagi, “Detection of Swallowing Times Using a Commercial RGB-D Camera,” Proceedings of 2019 IEEE 8th Global Conference on Consumer Electronics (GCCE), pp. 1178–1179, Osaka Japan, Oct. 15–18, 2019.（4番目）
  62. 小清水孝夫，坂本眞一，” 熱音響デバイスの数値解析におけるスタック温度に対する熱的条件の影響-，”Thermal Science & Engineering Vol.27 No.3, pp. 67-76, 2019.（2番目）
  63. 川島　裕斗，坂本　眞一，白木　一希，倉田　侑弥，黒木　大地，渡辺　好章，“定在波熱音響システムにおけるスタック内加熱によるエネルギー変換促進-スタック内部温度分布に関する検討-” Thermal Science and Engineering, Vol. 28, No. 1, pp. 1-8, 2020.（2番目）
  64. Shin-ichi Sakamoto, Yuji Ise, and Yuichiro Orino, “Measurement of heat flow caused by a standing-wave component generated by a thermoacoustic phenomenon” AIP Advances 9, 115006 (2019); https://doi.org/10.1063/1.5123252.（1番目）
  65. S. Sakamoto, K. Inui, Y. Orino and S. Ueno, “Prototype 29 m long loop-tube-type thermoacoustic prime mover,” Jpn. J. Appl. Phys., 59, SKKD05 (2020).（1番目）
  66. Shigeyuki Miyagi, Syo Sugiyama, Keiko Kozawa, Sueyoshi Moritani, Shin-ichi Sakamoto and Osamu Sakai, “Classifying Dysphagic Swallowing Sounds with Support Vector Machines,” Healthcare 2020, 8(2), 103; https://doi.org/10.3390/healthcare8020103.（5番目）
  67. Eri Ikuta, Yumiko Watanabe, Nami, Yanagisawa, Miwa Nakagawa, Ayumi Ono, Keiko Seki, Makiko Oowaki, Masafumi Koshiyama, and Shin-ichi Sakamoto, “Measurement of Women’s Leg Edema Using Ultrasonography”, Women Health Open J. 2020; 6(1): 5-7.（8番目）
  68. Yuto Kawashima, Shin-ichi Sakamoto, Koto Hiramatsu, Daichi Kuroki, and Yoshiaki Watanabe, “Study on the thermoacoustic system using moisturized stack—energy generation ratio of air and water vapor during system operation”, Japanese Journal of Applied Physics, Vol. 59, pp. 114501 (2020).（2番目）
  69. Yuto Kawashima, Shin-ichi Sakamoto, Daichi Kuroki, Kazuki Shiraki, Yuya Kurata, and Yoshiaki Watanabe, “Study on energy conversion in travelling wave type thermoacoustic system investigation on temperature distribution in the stack”, Japanese Journal of Applied Physics, Vol. 59, pp. SKKD06 (2020).（2番目）
  70. R. Onishi, S. Sakamoto, K. Shiraki, D. Kuroki, Y. Watanabe, Resonance control of coaxial-type thermoacoustic system by an additional stack, Jpn. J. Appl. Phys., Vol. 59, p. SKKD10 (2020).（2番目）
  71. K. Shiraki, S. Sakamoto, Y. Kurata, Y. Kawashima, R. Onishi, Y. Watanabe, Controlling of loop-tube type thermoacoustic system using heat phase adjuster examination of the control mechanism using a physical model of the heat phase adjuster, Jpn. J. Appl. Phys., Vol. 59, p. SKKD04 (2020).（2番目）
  72. Riku Onishi, Shin-ichi Sakamoto, Yuto Kawashima, Koto Hiramatsu, and Yoshiaki Watanabe, “Resonance control by setting a phase adjuster or expanding phase adjuster for improving the performance of coaxial-type thermoacoustic system”, Japanese Journal of Applied Physics, Vol. 60, SDDD02 (2021).（2番目）
  73. Koto Hiramatsu, Shin-ichi Sakamoto and Yoshiaki Watanabe, “Mechanism of the heat exchange promotion by superimposing the external sound wave in a standing-wave thermoacoustic system”, Japanese Journal of Applied Physics, Vol. 61, 054501 (2022).（2番目）
  74. Koto Hiramatsu, Shin-ichi Sakamoto and Yoshiaki Watanabe, “Effect of an external sound superimposed on the self-excited oscillation in a loop-tube thermoacoustic system”, Japanese Journal of Applied Physics, Vol. 61, SG1024 (2022).（2番目）
  75. Takumi Matsumoto and Shin-ichi Sakamoto, “Study of the reduction of the onset temperature in a loop-tube-type thermoacoustic prime mover using conical phase adjuster.—Based study on the installation position and onset temperature of conical phase adjuster”, Japanese Journal of Applied Physics, Vol. 61, SG1045 (2022).（2番目）
  76. Sakamoto S, Godo T, Koshiyama M, Ikuta E, Watanabe Y. Basic study for the quantitative diagnosis of edema focusing on ultrasound propagation time waveform information. Women’s Health open journal. 2022; 8, 9-18.（1番目）
  77. Banba A, Koshiyama M, Watanabe Y, Makino K, Ikuta E, Yanagisawa N, Ono A,Nakagawa M, Seki K, Sakamoto S, Hara Y, Nakajima A. Measurement of skin thickness using ultrasonography to test the usefulness of elastic compression stocking for leg edema in pregnant women. Healthcare. 2022;10,1-9 doi: 10.3390/healthcare10091754.（10番目）
  78. Takumi Matsumoto and Shin-ichi Sakamoto, “An approach to low-temperature oscillation and high efficiency of thermoacoustic prime mover: influence of end face and reduction area of phase adjuster”, Japanese Journal of Applied Physics, Vol. 62, SJ1010 (2023).（2番目）
  79. Satoru Ono and Shin-ichi Sakamoto, “Fundamental study for heat pump stack length determination with complex flow paths in a compact thermoacoustic system”, Japanese Journal of Applied Physics, Vol. 62, SJ1007 (2023).（2番目）
  80. Ikuta E, Koshiyama M, Watanabe Y, Banba A, Yanagisawa N, Nakagawa M, Ono A, Seki K, Kambe H, Godo T, Sakamoto S, Hara Y, Nakajima A. A Histogram Analysis of the Pixel Grayscale (Luminous Intensity) of B-Mode Ultrasound Images of the Subcutaneous Layer Predicts the Grade of Leg Edema in Pregnant Women. Healthcare 2023, 11(9), 1328; https://doi.org/10.3390/healthcare11091328.（11番目）
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