نتایج جستجو برای: lung sound
تعداد نتایج: 411030 فیلتر نتایج به سال:
conclusions according to the results of this study, with increasing load of traffic, there is an increasing need for proper consideration plans to control noise pollution and prevent its effects. results according to the research findings, the equivalent sound pressure levels in all stations were 76.28 ± 3.12 db (mean ± sd). according to sound measurements and the survey questionnaire, noise po...
Interaural level difference (ILD) is used as a cue in horizontal sound source localization. In free field, the magnitude of ILD depends on frequency: it is more prominent at high than low frequencies. Here, a magnetoencephalography experiment was conducted to test whether the sensitivity of the human auditory cortex to ILD is also frequency-dependent. Robust cortical sensitivity to ILD was foun...
Muffler is a part of the vehicle exhaust system that absorb or reflect sound waves to reduce exhaust noise. One of the most important determinants of a muffler performance is the amount of attenuation that has on its input wave; this parameter is known as sound transmission loss. Four - mic standard test is one way to determine this parameter which is used in this paper. In this study, a test d...
To localize sound, information from three cues--interaural timing differences (ITDs), interaural level differences (ILDs), and spectral notch cues (SNs)--must be properly integrated. The inferior colliculus (IC) receives convergent input from neurons encoding all three cues. Using virtual space stimuli and information theoretic techniques, we investigated the coding of the various localization ...
patch, this lip was not swollen. The girl was running a temperature between 100.4?F. and 102?F., from the beginning of her illness. Moist sounds could be heard over both the lungs, especially over the left base. She was given prontosil album from that morning, besides local treatment. Exactly how the ulcer developed could not be learned from the parents; all that could be gathered was that it h...
to care little or nothing for anything or anybody in the place ; the pain in the head was still severe, but he did not complain much about it; his bowels had not been moved during the past three days; he looked dull and stupid, and seemed utterly prostrated in body and mind ; his tongue was moist at the edges and tip, dry and brown in the centre. The lungs were healthy, a few sibilant rales onl...
Twenty-four mice and sixteen rabbits were evaluated at one exposure duration (10 min) and at three exposure acoustic pressure levels (0, 100 and 145 kPa) at an ultrasonic frequency of 30 kHz, continuous wave for the purpose of testing whether there was a species difference in the degree of sensitivity to ultrasound-induced lung damage. This study was undertaken because it was hypothesized that ...
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