用half-life造句子，“half-life”造句

This radioactive element has a half-life of some 5, 700 years.

Iodine-131 has a half-life of eight days and is quite dangerous to human health.

The city's challenge, chiefly, is to dispose of cesium-137, a radioactive isotope with a half-life of 30 years.

Next, this unstable atom, this new radio-element which we have calle "Radio-phosphorus" decomposes exponentially with a half-life of three minutes.

Dreams, ghosts, soul sounds, two love songs, a dream of spring and autumn, single-minded and two-sided, stand alone in the wind, cool and sad scenery, the sea is facing clouds, winter snow washes true, two-sided memories, half-hearted and half-dreamed half-life love.

Although almost all this material, which has a 24,000-year half-life, has since disappeared (primarily through natural radioactive decay), some of the plutonium itself underwent fission, as attested by the presence of its characteristic fission products.

However, if the half-life is increased, the situation changes.

We can talk about the half-life of a radioactive isotope, and indeed we can measure and state very very precisely what that half-life is.

Bismuth -213 choice because it has several characteristics, including the half-life of 46 minutes.

It is well-known that the cited half-life is a particular parameter to evaluate the degree of ageing of periodicals or magazines.

"Tritium： Isotope of hydrogen, chemical symbol written as 3H or T, with atomic number 1 But atomic weight approximately 3. Its nucleus contains one proton and two neutrons. Tritium is radioactive (see radioactivity), with a half-life of 12.32 years."

half-life of recurrent selection process

Under normal condition, the fibrinogen half-life is 3 to 4 days.

It is often said that nuclear waste has a half-life of 100, 000 years…it is worth remembering that Stonehenge was built only 4, 000 years ago.

Don't drink anything with caffeine in it after dinner. Dependent on age, gender, and other physiological factors the half-life of caffeine in the body is roughly 5-10 hours.

So, the half-life is just the time that it takes for half of the reactants to disappear.

Authors researched the degradation of fenvalerate, permethrin, cypermethrin and deltamethrin in 3 vegetables. The half-life of the degradation of 4 Pyrethroids -1.4~3.1 days.

Business opportunities have a half-life, just like uranium.

The world is drunk, drunken, dreaming and dying, the world is crazy, obsessed with not regretting the love of Sansheng, sweetheart suddenly, suddenly realize the half-life fate, sweetheart bitter, bitter to make a life dream.

And the point is, that half-life stays the same forever, even though atoms are decaying all the time.

A prosperous scene, the world's sentiments are smoke and wind, a corner of the world, half-life smoke and rain, flickering fingers of joy, such as lotus opening and falling, floating a dream, why persevere, origin and fate, the end of the song dispersed, only the way is common.

Their half-life in the body is estimated to be seven to eleven years.