Results 171 to 180 of about 1,153,600 (235)

Remotely Controlled Positioning Lasers

Medical Dosimetry, 1991
Positioning lasers used in radiotherapy generally require little adjustment. When required, this is easy to do for sidelights, but can be difficult and time consuming for ceiling mounted lasers. For this purpose, we have modified a commercial positioning laser by incorporating a device for rotating the alignment adjustment screws. This device is driven
P J, Biggs   +3 more
openaire   +2 more sources

Approximate positive controllability of positive boundary control systems

Positivity, 2013
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Boulite, S.   +3 more
openaire   +2 more sources

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