نتایج جستجو برای: roll over
تعداد نتایج: 1147930 فیلتر نتایج به سال:
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This paper presents the development and simulation results of a computer simulation software for the lateral position control of a moving web in roll-to-roll (R2R) systems. Mathematical models of the web dynamics are described first to explain the lateral motion of a moving web. Based on the models, a controller that employs the PID control method is developed, and embedded in simulation softwa...
the effect of pre-existing nano sized precipitates on the mechanisms and rate of grain refinement has been investigated during the severe plastic deformation. a binary al–0.2sc alloy, containing coherent al3sc particles, of 3.62 nm in diameter has been deformed by accumulative roll bonding up to 10 cycles. the resulting deformed structures were quantitatively analyzed using electron backscatter...
RHESSI uses nine Rotating Modulation Collimators (RMCs) for imaging, each consisting of a pair of grids mounted on the rotating spacecraft. The angular resolutions range from 2.3 arcsec to 3arcmin. The relative twist between the two grids of each pair is the most critical parameter. It must be less than 20 arcsec for the finest grid. After precision alignment, it is monitored by the Twist Monit...
In this investigation, roll compaction/dry granulation (RCDG) process was optimized for formulation of model amorphous drug candidate with fine-fluffy nature and poor flowability. Three operating parameters the roller speed, the hydraulic pressure and the granulator speed on the Alexanderwerk WP 120 Pharma Roll Compactor were varied. The planned response variable for study was % retention over ...
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