منابع مشابه
Magnetic Tape Storage
Initially, magnetic tape for data storage was wound on large (10.5 in/26.67 cm) reels. This defacto standard for large computer systems persisted through the late 1980s. Tape cartridges and cassettes were available as early as the mid 1970s and were frequently used with small computer systems. With the introduction of the IBM 3480 cartridge in 1984, large computer systems started to move away f...
متن کاملMagnetic tape recording electrocardiograph.
R ECORDING the electrocardiogram for prolonged intervals presents difficulties from the standpoint of economy and convenience. One 200 foot roll of paper for a direct writing instrument is used in 40 minutes of continuous recording at 25 mm. per second, and reviewing this long electrocardiographic record is a cumbersome procedure. A convenient method of recording electrocardiograms and fied ele...
متن کاملRecent analytical applications of magnetic nanoparticles
Analytical chemistry has experienced, as well as other areas of science, a big change due to the needs and opportunities provided by analytical nanoscience and nanotechnology. Now, nanotechnology is increasingly proving to be a powerful ally of analytical chemistry to achieve its objectives, and to simplify analytical processes. Moreover, the information needs arising from the growing nanotechn...
متن کاملRecent Trend of Display Devices
A trend of recent R & D on display devices, especially flat panel display, are reviewed. In addition, historical growing process of liquid crystal display (LCD) is reviewed from both sides of a simple matrix LCD technology and an active matrix LCD technology, and a trend of recent advanced technology is also discussed.
متن کاملRecent trend in treatment of obesity.
Review Article Obesity has become a global problem, affecting countries which are developed and developing. One of the most recent and careful global estimates finds that roughly 500 million adults are obese defined as a Body Mass Index, or BMI of 30 or higher. Obesity is caused due to various factors such as environment, genetics, disease and drugs. Symptoms seen are lethargy, breathlessness, ...
متن کاملذخیره 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: Journal of the Japan Society for Precision Engineering
سال: 1989
ISSN: 1882-675X,0912-0289
DOI: 10.2493/jjspe.55.1368