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of a portable oxygen tank by a local company, recognizing the product as a quasi drug for the first time. O2 Land’s new portable oxygen tank is the first case granted approval by the ministry since regulations on respiratory products...

convenient portable source of atomic hydrogen for welding. In addition, ammonia can absorb substantial amounts of heat from its surroundings (i.e., one gram of ammonia absorbs 327 calories of heat), which makes it useful as a coolant in...

214 portable stadiometer; Seca, Hamburg, Germany) and body composition measured by bioimpedance (Tanita MC-780MA; Tanita Corporation, Japan) were recorded. The manual pressure force (Dynamometer TKK 5101; Takei, Tokyo, Japan) was also...

and portable devices. Such displays include newer e-ink and some LCD screens, though CRT, plasma screen and other LCD technologies generally still require glass for its higher melting temperature and its ability to be etched in finer...