Surface Sterilization and X-ray Radiography of Woodblocks by Low-energy X-rays —Technology Transfer to Vietnam

To sterilize the bacteria on the surface of the wood blocks, low-energy X-rays of 150 kV were used to irradiate them without using filters, which was six times faster than general X-ray irradiation methods. Insect damage to the woodblocks could be distinguished from cracks and physical destruction o...

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Hauptverfasser: Noriaki Kataoka, Nguyen Thi Thuy Linh, Kaiji Uchida, Masakazu Furuta, Tamikazu Kume
Format: Journal article
Sprache:Japanese
Veröffentlicht: Japan Radioisotope Association 2025
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Online Zugang:https://scholar.dlu.edu.vn/handle/123456789/5001
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Thư viện lưu trữ: Thư viện Trường Đại học Đà Lạt
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Zusammenfassung:To sterilize the bacteria on the surface of the wood blocks, low-energy X-rays of 150 kV were used to irradiate them without using filters, which was six times faster than general X-ray irradiation methods. Insect damage to the woodblocks could be distinguished from cracks and physical destruction only by visual inspection and simple X-ray radiography. These techniques were manualized and transferred to Vietnam. At that time, 0.5 mGy of X-rays irradiated within the baggage inspection and 9 µSv of cosmic radiation of travel routes had no effect on the film dosimeter and X-ray film.