Results 11 to 20 of about 304,526 (305)
Recent advances in applications of power ultrasound for petroleum industry
Ultrasonics Sonochemistry, 2021 Power ultrasound, as an emerging green technology has received increasing attention of the petroleum industry. The physical and chemical effects of the periodic oscillation and implosion of acoustic cavitation bubbles can be employed to perform a variety
Xiaoming Luo +4 more
doaj +1 more source
Acoustic neurinomas: diagnosis and treatment [PDF]
Arquivos de Neuro-Psiquiatria, 1997 We present our experience with 83 patients with acoustic neurinomas (January 1988 to November 1996); 81 patients underwent surgery and 2 patients with intracanalicular neurinomas received conservative therapy due to their advanced age (1 case) and patient's option (1 case).
Ramina, Ricardo +6 more
openaire +4 more sources
Frontiers in Psychiatry, 2023 BackgroundDepression is a widespread mental disorder that affects a significant portion of the population. However, the assessment of depression is often subjective, relying on standard questions or interviews.
Yang Wang +23 more
doaj +1 more source
Frontiers in Virtual Reality, 2021 Irrelevant ambient noise can have profound effects on human performance and wellbeing. Acoustic interventions (e.g., installation of sound absorbing materials) that reduce intelligible noise (i.e., sound unrelated to the relevant speech, including noise ...
Rachel Doggett +4 more
doaj +1 more source
Computational studies of speech intelligibility in open-plan offices
Medycyna Pracy, 2019 Background Noise in open-plan offices, connected with an unintentional hearing of conversations and related distraction of attention, causes annoyance of employees.
Witold Mikulski
doaj +1 more source
The mechanisms for successful sound design in educational spaces to achieve acoustic comfort and their impact on academic efficiency: (The study of auditoriums in universities) [PDF]
JES: Journal of Engineering SciencesArchitects prioritize designing different buildings to maximize the utilization of natural resources such as natural lighting, natural ventilation, and renewable energy. However, some individuals overlook the focus on architectural acoustics, which deals
Mohamed Mahmoud Hassan Abd Elregal
doaj +1 more source
Helmholtz-Structured Two-Dimensional Super-Diffraction Meta-Lens
Frontiers in Physics, 2022 Focusing beyond the acoustic diffraction limit has always been expected, especially in acoustic imaging and ultrasonic therapy. Manipulating the acoustic waves beyond the diffraction limit offers an alternative application potential in high-resolution ...
He-He Li +8 more
doaj +1 more source
Development of an ultrasonic resonator for ballast water disinfection [PDF]
, 2016 Ultrasonic disinfection involves the application of low-frequency acoustic energy in a water body to induce cavitation. The implosion of cavitation bubbles generates high speed microjets >1 km/s, intense shock wave >1 GPa, localized hot spots > ...
Balasubramaniam, Prakash +3 more
core +1 more source
Acoustic Neuroma: Treatment or Observation? [PDF]
Deutsches Ärzteblatt international, 2009 Should a newly diagnosed schwannoma of the vestibular nerve be observed, surgically removed, or irradiated? This question and others about this type of tumor, also known as acoustic neuroma, were of interest to the more than 600 participants at the European Skull Base Congress, which took place in Rotterdam in April 2009.
openaire +2 more sources
Acoustic conditions in open plan office – Application of technical measures in a typical room
Medycyna Pracy, 2018 Background Noise in open plan offices should not exceed acceptable levels for the hearing protection. Its major negative effects on employees are nuisance and impediment in execution of work.
Witold Mikulski
doaj +1 more source