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see jelly and jamjelly and jam,
gelatinous, sweet food prepared by preserving fresh fruits. Since most fresh fruits contain about 80% water and from 10% to 15% sugar, they are subject to fermentation. They may be preserved by adding sugar and reducing the water content.
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John and Martin. An interpreted FORTH-like graphics language by John Warnock and Martin Newell, Xerox PARC, 1978. JaM was the forerunner of both Interpress and PostScript. It is mentioned in PostScript Language reference Manual, Adobe Systems, A-W 1985.


A condition on a network where two nodes transmitting simultaneously detect the collision and continue to transmit for a certain time (4 to 6 bytes on Ethernet) to ensure that the collision has been detected by all nodes involved.
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(JYACC Application Manager) An application development system for client/server environments from Prolifics, New York (www.jyacc.com), a JYACC company. It supports Windows, Mac and Motif clients and most Unix servers and VMS. It supports over 20 databases and includes its own database (JDB) for prototyping. JAM/CASE allows CASE information to be moved into JAM. JAM/TPi integrates JAM with the Tuxedo and Encina TP monitors.
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References in periodicals archive ?
The biggest jam-up for Daniel Lutheran is that no matter which amazing and wonderful places he may travel to in the world, chances are they will inevitably pale in comparison to his mom and dad's house in Albuquerque, New Mexico.
Additional benefits often include reduced energy use with smaller hp motors; reduced sand carry-out to dust filtration; improved casting control with no jam-ups; elimination of damaging vibration; and reduced initial equipment cost by incorporating air distribution and collection within the new General Kinematics Casting Cooling Spiral Elevator.
Now, instead of having large amounts of raw materials around the plant floor, ingredients are "pulled" from storage on demand when orders are received, thereby eliminating bottlenecks, system jam-ups, and the loss of materials.