Mach

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Mach

Ernst . 1838--1916, Austrian physicist and philosopher. He devised the system of speed measurement using the Mach number. He also founded logical positivism, asserting that the validity of a scientific law is proved only after empirical testing

Mach

Machclick for a larger image
Speed of sound as a function of altitude.
Machclick for a larger image
Refers to a Mach number, or the ratio of the speed of an airplane to the speed of sound in the same atmospheric conditions. It is also used as a speed unit. The speed of sound, or Mach 1, is equal to 340.5 m/s, 661 knots, 761 miles per hour, or 1225.5 km/h at sea level under standard conditions, and it decreases with altitude. Above the tropopause (about 36,090 ft, or 11 km), Mach 1 is 295.5 m/s, 574 knots, 658 miles per hour, or 1063.2 km/h. Named after Ernst Mach (1838–1916).

Mach

An operating system kernel under development at Carnegie-Mellon University to support distributed and parallel computation. Mach is designed to support computing environments consisting of networks of uniprocessors and multiprocessors. Mach is the kernel of the OSF/1.
References in periodicals archive ?
where [beta]'s indicate standardized partial regression coefficients; "*" indicates multiplication; gender equals 1 for males and 0 for females; "Mach*Age" indicates the interaction of Mach and age scores.
Model 5 indicates a positive relationship occurs between Mach scores and sales success in the context of stockbrokers selling in a loosely structured organization.
Proposition 2: Gender will interact with MACH levels and performance of salespeople as measured by volume.
For example, Christie and Geis (1970) found one result suggesting high MACH's tend to indiscriminately stereotype both blacks and whites.
Pro Mach is a premier packaging and processing machinery manufacturer and integrated systems provider, with over 30 equipment brands sold throughout the world.
At this show Pro Mach brands are offering never before displayed solutions, including:
All of this means that Pro Mach can be as large or as small in terms of solutions as our customers wish.
In addition to highlighting Federal, Zalkin, and Pace solutions at Gulfood Manufacturing, Pro Mach personnel will discuss with attendees the companys project management and integration services expertise for turnkey bottling and capping solutions.
For technical sales, project management, and aftermarket support, Pro Mach is one of the best companies in the world to have as a partner, said Doug Stambaugh, Senior Vice President Bottling & Capping.