The staff appeared interested only in the X-ray screen.

The guards were chatting among themselves, they hardly looked at the X-ray screen.

There I am up on the X-ray screen, taken apart and put back together.

Your doctor uses an X-ray screen to watch the movement of the catheter in the blood vessels.

Workers rotate between viewing the X-ray screen and the other checkpoint jobs.

"I'm talking about the fact that we have an X-ray screen tucked up under that table top.

The right wall had an X-ray screen.

The dye makes the coronary arteries visible on a digital X-ray screen.

What had they asked him, at the security check in Bangkok, about the coil of piano-wire on the X-ray screen?

The rat-catcher shows up and brings several crewmen with x-ray screens to look for any suspicious creature hiding in the walls.

For thirty years she had been dealing with other people's illnesses, and for a good twenty she had sat in front of the X-ray screen.

Some other phosphors commercially available, for use as X-ray screens, neutron detectors, alpha particle scintillators, etc., are:

He said the airlines, which operate airport security checkpoints, failed to detect test items that looked like weapons on X-ray screens or that triggered metal detectors.

It is frequently used in industry to manufacture tungstates for x-ray screen phosphors, for fireproofing fabrics and in gas sensors.

"This job is more than just looking at an X-ray screen - it's about looking at people and interpreting their answers to questions and making judgments," Mr. Mitchell said.

So, for instance, the nation's airport security guards became adept at recognizing the shadow of a gun in the geometric thicket of an X-ray screen, but they weren't even looking for box cutters.

Zinc sulfide, with addition of few ppm of suitable activator, is used as phosphor in many applications, from cathode ray tubes through X-ray screens to glow in the dark products.

(AP) Airport False Alarm Flights out of San Jose International Airport were halted for 2 1/2 hours after a suspicious item was spotted on an X-ray screen.

Trainees learned how the screener assigned to watch the X-ray screen had to key in an identification code and to stand on a rubber pressure-sensing pad that stops the conveyor belt if the operator steps away from the screen.

But Sally had to identify him formally as the Joe Kenmore who was the subject of her father's orders, and his fingerprints had to be taken, and somebody had him stand for a moment before an X-ray screen.

At the checkpoint, "the ability of people to find things on the X-ray screen is shockingly low," said Dr. Michael B. Cantor, a psychologist formerly employed at Argenbright, one of the nation's largest airport security contractors.

Every day they would call her either to the X-ray screen or to the laboratory or to someone's bedside; to combine this with hours of selecting and describing X-ray photographs, with formulations and systematization, let alone with passing the preliminary exams, was beyond human strength.

ZnS was used by Ernest Rutherford and others in the early years of nuclear physics as a scintillation detector, because it emits light upon excitation by x-rays or electron beam, making it useful for X-ray screens and cathode ray tubes.

Around the campus of the Federal Aviation Administration's training academy here, in rooms commandeered by the Transportation Security Administration, hundreds of students were learning to spot guns and knives on X-ray screens, to pat down people in wheelchairs and when to request a passenger's shoes for inspection.