超音波照射による水中の鉄片と骨片の表面温度上昇

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  • Temperature Rises of Metallic and Bony Plate in Water after Ultrasound Irradiation.
  • チョウオンパ ショウシャ ニ ヨル スイチュウ ノ テッペン ト コッペン ノ ヒョウメン オンド ジョウショウ

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The purpose of this study was to identify the difference in the temperature rises at the surface of metal and bone in water after ultrasonic irradiation. An ultrasound head was put into a plastic tube and fixed upright by a stand. Metallic and bony plate were used as the experimental materials. These plates were hung horizontally in a tube filled with degassed water (100 cc). Ultrasound was irradiated at 0.5, 1.0 and 1.5 W/cm2 in this study, and thermistors were used to measure the temperature at the frontal (A) and posterior (B) surfaces of the experimental materials and in the water. The temperature rises at high wattage were higher than low at wattage in both materials. The temperature rises at A of the bone plate were twice as high as those of metal at each of the intensities.

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