On a Method of Driving Tuning-Forks Electrically
نویسندگان
چکیده
منابع مشابه
Tuning Forks and Tests
The three tuning forks generally used include : 256 Hz, 512 Hz, 1024 Hz. Most common being 512Hz. 512 because It has appropriate decay time, Less overtones and lies in speech frequency. Compressing the prongs with fingers produces around 70 dB sound and hitting against Knee or elbow 90dB. A prediction of air-bone gap can be made if tuning forks of 256, 512 and 1024 Hz are used. • Rinne test equ...
متن کاملEvaluation of Biogas as an Alternative Driving Force of Electrically Operated Vehicles: A Case Study
In the present world, energy is indispensable for maintaining the comfort level and living standard of the human. On the other hand, the energy crisis is a major problem in most of the developing countries like Bangladesh. A possible reason is that, the decreasing level of conventional energy sources and the lack of initiatives for introducing the alternative sources of energy. Moreover, the in...
متن کاملAcoustic Analysis of Used Tuning Forks.
OBJECTIVE In this study, we evaluated used aluminum tuning forks (TFs) for fundamental frequencies (FF), overtones, and decay times. MATERIALS AND METHODS In total, 15 used (1 C1, 11 C2, and 3 C3) and 1 unused (C2) TFs were tuned, and the recorded sound data were analyzed using the Praat sound analysis program. RESULTS It was found that FFs of the recorded sounds produced by the used C2-TFs...
متن کاملChemical sensor based on microfabricated wristwatch tuning forks.
We report here a chemical sensor based on detecting the mechanical response of a thin (approximately 10-microm) polymer wire stretched across the two prongs of a wristwatch quartz tuning fork (QTF). When the fork is set to oscillate, the wire is stretched and compressed by the two prongs. The stretching/compression force changes upon adsorption of analyte molecules onto/into the polymer wire, w...
متن کاملon the practicality and effectiveness of a personalized eclectic method incorporated into iranian high school efl syllabus
همگام با سرعت در حال رشد خلاقیت و نوآوری های آموزش زبان به ویژه ظهور روش ارتباطی آموزش زبان? بسیاری از مدارس زبان با بازاندیشی آموزش و پرورش خود? برای گنجاندن فعالیت های ارتباطی، وزمینه ی شخصی سازی شده به شیوه های سنتی خود به روز رسانی شده اند. با این حال، مدارس ایرانی در این زمینه آهسته پیش رفته اند. از این رو، هدف عمده ی پژوهش حاضر برداشتن یک گام در پر کردن شکاف بین نظریه های آموزشی نو ظهور و...
15 صفحه اولذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Proceedings of the Physical Society of London
سال: 1888
ISSN: 1478-7814
DOI: 10.1088/1478-7814/10/1/339