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In the treatment of superficial lesions with 8-13 MeV electrons, lead shields are often used to protect the underlying tissue. Measurements were made with film and ion chamber to analyse various aspects of external and internal shielding in electron beam therapy. Data were obtained on the thickness of lead required for shielding, the effect of blocking on dose-rate, electron-backscattering from...

Sustainable development of cities was among the goals aimed by either country or region since 1980s. Ho Chi Minh City ranked as most rapid urban in Vietnam, which challenged accommodation necessities for a pleasant life city with limited resources, including housing, public infrastructure, clean environment, security, safety, employment, and other necessities. The purpose this study to measure ...

Intrusion Detection System is used to detect suspicious activities is one form of defense. However, the sheer size of the network logs makes human log analysis intractable. Furthermore, traditional intrusion detection methods based on pattern matching techniques cannot cope with the need for faster speed to manually update those patterns. Anomaly detection is used as a part of the intrusion det...