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Quantitative imaging based on dual energy computed tomography (DECT) is useful in both medical and industrial areas. However, the dependence of the attenuation coefficient on X-ray energy and the polychromatic property of X-ray beams bring obstacles for dual energy image reconstruction. In this...
Coal is one of the most abundant energy resources and has the capability to meet future energy needs with high reliability. The basic knowledge of coal structure is crucial to an understanding of the physical properties of coal and chemistry of conversion processes such as gasification,...
The polychromatic spectrum of photons emitted by an X-ray tube in medical diagnostic CT system brings beam hardening artifact. Although many correction methods have been developed, it is still the major artifact in clinical CT imaging. Motivated by CT reconstruction researches benefiting from...
A portable EDXRF equipment was employed to analyze pre-Columbian metals (gold, silver and copper objects) and to determine the thickness of gold in the case of gildings. To this aim, the EDXRF equipment was optimized to detect Cu, Au and Ag, and various methods were developed to determine from...
Chan-Su (CS), a traditional Chinese medicine, is one of the most potent Chinese medicines currently used in cancer chemoprevention and treatment. However, the molecular mechanism of CS-induced-apoptosis is still unclear. This study investigated the molecular mechanism of CS-induced apoptosis...
Cone beam CT (CBCT) imaging technique has found many applications in medical imaging in recent years since it provides three-dimensional image reconstruction with low contrast detectability and high resolution. In CBCT systems, image noise caused by photon counting statistics plays an important...
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