نتایج جستجو برای: radiation monitoring
تعداد نتایج: 531766 فیلتر نتایج به سال:
Background: The increasing evidences show that global depletion of stratospheric ozone layer is caused by pollutant and growing incidence of the skin cancer and cataract is related to the amounts of solar UV radiation reaching the earth ׳s surface. Therefore, the main driving force behind such efforts has been the lack of an appropriate network in scope monitoring of the terrestrial UV...
This paper reviews several monitoring studies where the short-term HPRT assay has been applied. The original method uses autoradiography to detect 3H-thymidine incorporation in variant cells that have undergone DNA synthesis; the bromodeoxyuridine modification employs this thymidine analog and fluorescence plus Giemsa staining. The studies discussed here were accomplished with either of these m...
Background/introduction Harmonic motion imaging (HMI) is a radiation forcebased elasticity imaging technique that estimates tissue harmonic displacements induced by an oscillatory ultrasonic radiation force to assess tissue stiffness. The objective of this study was to evaluate the feasibility of applying HMI on pancreatic tumor detection and high-intensity focused ultrasound (HIFU) treatment m...
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