Sentence examples for tracer from inspiring English sources

To see the hilltop building lit by red tracer bullets and rocked by explosions was a harbinger of how far Afghanistan might fall if its president, its factional leaders and the country's international backers mismanage the country's tricky politics.

Accordingly, the layer in which the skull was preserved acted like a chronological tracer.

Mr Kocharian sent in the army, and the area was soon lit up with tracer fire.Eight people were killed, cars were torched and shops were looted.

Barricades went up, shops and businesses closed, diplomats were evacuated or hunkered down, and the sky was lit up with red tracer and flashes of explosions.For once, the militias backed down.

At Saturday night's shoot, the highlight of the weekend, a dozen shooters on the range, plus one in a helicopter, strafe barrels of diesel fuel and dynamite with rainbow-hued tracer fire.

Although not useful as a dye, its value as a marker for accidents at sea and as a tracer of underground water flow is well established.

There is currently no substitute for the brilliant crimson colour produced by strontium salts such as strontium nitrate, Sr(NO3 2, and strontium chlorate, Sr(ClO3 2, in fireworks, flares, and tracer ammunition.

Gamma radiation from cobalt-60 has been used in place of X rays or alpha rays from radium in the inspection of industrial materials to reveal internal structure, flaws, or foreign objects; in cancer therapy; in sterilization studies; and in biology and industry as a radioactive tracer.

These apparently are converted by enzymes during the maturing process to fatty acids and glycerol, which then form glycerides. Studies with radioactive-tracer techniques confirm the synthesis of fats from carbohydrates in both plants and animals.

A tracer-type gas meter measures flow rate by timing the passage of an injected radioactive material between two fixed detectors.

Radioactive-tracer studies provide some insight into this complicated process.