radioactive造句怎么写

The ions then either settle back into the walls of the pipes, making the pipes themselves radioactive, or continue to circulate, making the water radioactive.

The first type discovered -- alpha decay -- is when a radioactive particle emits a Helium nucleus !

You may have another certificate showing the goods to be free from radioactive contamination.

Its purpose is not to shield radioactive emissions But to prevent the release of radioactive dust and other materials, and to keep out rainwater, which could carry contaminants into the water table.

As the rods heat up, their zirconium cladding can rupture, which releases gaseous radioactive iodine inside, and may even cause the uranium to melt and release much more radioactive material.

One of the biggest problems the nuclear industry faces is what to do with the radioactive waste it produces.

Most of the radioactive particles are in the soil rather than in the flammable leaf litter and trees, he explains.

Professor Bushberg says removing the topsoil might make the land safe for use. But it depends on the depth of the radioactive material.

The solid fuel pellet (a ceramic oxide matrix) is the first barrier that retains many of the radioactive fission products produced by the fission process.

The radioactive isotope Strontium-90, one of the by-products of the bombs, spread into the atmosphere, fell onto the land, was ingested by dairy cows and passed into the milk supply.

While safety concerns are at the forefront this week, many observers point out an equally urgent problem is what to do with the radioactive waste produced by nuclear plants.

Radon is radioactive and hazardous.

This radioactive form of nitrogen does not occur in nature.

They used heavy lead containers to enclose radioactive substances

The big worries on the reported releases of radioactive material in Japan center on radioactive iodine and cesium.

Then she found that pitchblende was more radioactive than uranium by itself.

Overheating fuel rods then discharge gaseous forms of certain volatile radioactive elements, including cesium, iodine, strontium and tellurium.

A full meltdown at the Japanese facility would still release radioactive gases, but those tend to dissipate in the atmosphere.

It is a radioactive epithet, guaranteed to get you a trip to HR and maybe even a slap in the face.

The presence of water also helps to explain why most of the xenon now resides in grains of aluminum phosphate rather than in the uranium-rich minerals where fission first created these radioactive precursors.

Radium and uranium are radioactive elements.

Expectant mothers may not do work connected with radioactive isotopes.

These saturate the thyroid with safe iodine and stop it taking up the radioactive kind.

Unless a large explosion sends radioactive material high into the atmosphere, most of the fallout from Japan will not make it across the Pacific Ocean.

Backlash from the reactor is likely to be an even bigger problem when the water inside the reactor is much more radioactive than usual and is under extremely high pressure.

Authorized limits for normalized releases of radioactive effluents from nuclear fuel cycle

Recognize that measures contributing to nuclear material security have value in relation to the security of radioactive substances and encourage efforts to secure those materials as well.

As radon progeny decay, they emit radioactive alpha particles and attach to aerosols, dust and other particles in the air.

Avoids contacting the radioactive rays and some deleterious substances.