Special issue on present and future of friction. Friction drive for audio video and office data processing equipment.
نویسندگان
چکیده
منابع مشابه
Friction-loaded cycle ergometers: Past, present and future
The first friction-cycle ergometers of the end of the nineteenth century and the beginning of the 20th century are presented before the description of more recent ergometers such as Fleisch ergometer (1954), ErgomécaTM (1985), sinusbalance ergometer, and weight-basket loaded ergometer. The limits of each ergometer are debated. The interest of friction-loaded ergometers was renewed with the prop...
متن کاملsimulation and design of electronic processing circuit for restaurants e-procurement system
the poor orientation of the restaurants toward the information technology has yet many unsolved issues in regards to the customers. one of these problems which lead the appeal list of later, and have a negative impact on the prestige of the restaurant is the case when the later does not respond on time to the customers’ needs, and which causes their dissatisfaction. this issue is really sensiti...
15 صفحه اولthe effect of audio-taped feedback and conferencing on efl students’ writing ability
: بازخورد یکی از جنبه ها ی ضروری هر دوره ی آموزشی نگارشی – زبانی انگلیسی می باشد که به زبان آموزان مهارت های مورد نیاز جهت بهبود توانایی نگارشی را می آموزد. این تحقیق، با استفاده از طرح پیش آزمون، پس آزمون، و پسا آزمون ، سعی دارد تا تأ?یر نوع بازخورد مدرس در کمک به زبان آموزان جهت بازنویسی نوشته هایشان رابررسی کند ، و آیا اینکه رابطه ای بین نوع بازخورد مدرس و توانایی زبان آموزان در تصحیح غلط ها...
Friction stir welding and processing
Friction stir welding (FSW) is a relatively new solid-state joining process. This joining technique is energy efficient, environment friendly, and versatile. In particular, it can be used to join high-strength aerospace aluminum alloys and other metallic alloys that are hard to weld by conventional fusion welding. FSW is considered to be the most significant development in metal joining in a de...
متن کاملIntroduction to Special Issue Wood Adhesives: Past, Present, and Future
Adhesives have played and will continue to play an important role in the efficient utilization of wood resources. Early Egyptians used adhesives to attach rare veneers to wood furniture. Today, adhesives play a vital role in allowing almost all types and sizes of wood to be converted to functional products. For centuries, wood was bonded using biobased adhesives. In the 20th century, synthetic ...
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ژورنال
عنوان ژورنال: Journal of the Japan Society for Precision Engineering
سال: 1990
ISSN: 1882-675X,0912-0289
DOI: 10.2493/jjspe.56.1607