نتایج جستجو برای: lung sound
تعداد نتایج: 411030 فیلتر نتایج به سال:
Introduction & Objective: Noise is one of the most important harmful agents in work environment. In spit of industrial improvements, exposure with over permissible limit of noise is counted as one of the health complication of workers. In Iran, do not exact information of the absorption coefficient of acoustic materials. Iranian manufacturer have not laboratory for measured of sound absorbanc...
The method is of great importance in systems that include machine learning and classification steps. As a result, academics are constantly working to improve the process. However, data pertaining methodology's performance equally as valuable creation. While utilized show result modeling process, it critical consider proper labeling data, technique acquisition, volume. Obtaining certain sectors,...
BACKGROUND Molecular analysis of sputum provides a promising approach for lung cancer diagnosis, yet is limited by the difficulty in collecting the specimens from individuals who can't spontaneously expectorate sputum. Lung Flute is a small self-powered audio device that can induce sputum by generating sound waves and vibrating in the airways of the lungs. Here we propose to evaluate the useful...
High-frequency chest wall oscillation (HFCWO) therapy is one of the techniques to facilitate draining a patient’s lung secretion in pathological situations, and smart with HFCWO devices equipped multiple actuators can be achieved via locating nidi lung. In this paper, through developing novel acoustic spatial model utilizing imaging simulation, new effective method for assessing function presen...
inflammatory responses and innate immunologic reactions play an important role in the respiratory system. ex vivo lung perfusion (evlp) is considered a novel method in the evaluation and reconditioning of donor lungs prior to transplantation. however, evlp’s effect on inflammatory and metabolic markers of human lung tissue is unknown. this study investigated how the performance of evlp on brain...
Sound measured at various points around the environment can be evaluated by a series of multi-pole sources and their acoustic strength can be acquired. In this numerical study, a method, called the inverse method, was examined to achieve this goal. A variety of arrangements of different sources were considered and the acoustic strength of these sources was acquired. Through the application of t...
conclusions: these results indicate preventive effects of all natural adjuvants (especially g2) on pathological changes of the lung in sensitized guinea pigs. results: all pathological changes in s group including the eosinophil infiltration (scoring 3.28 ± 0.28), lymphocyte infiltration (2.82 ± 0.26), local epithelial necrosis (2.71 ± 0.47) and mucosal plug (2.75 ± 0.37) were significantly hig...
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