Ví dụ về việc sử dụng Radioactive decay trong Tiếng anh và bản dịch của chúng sang Tiếng việt
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And second the portion formed by radioactive decay of 87Rb.
The radioactive decay of 40K in the Earth's mantle ranks third, after 232Th and 238U, as the source of radiogenic heat.
The heat of the Earth is replenished by radioactive decay at a rate of 30 TW.
(A true random number generator must be rooted in a phenomenon that is not manmade,such as radioactive decay.).
They occur in the nuclei of atoms in the radioactive decay and immediately emitted therefrom at a speed close to the speed of light.
Astatine, like radium and uranium, emits alpha particles via radioactive decay.
On Earth, gamma radiation is generated from radioactive decay of elements and is extremely hazardous to living beings.
All three are stable and non-radioactive,but neon-21 is formed by radioactive decay of uranium.
When scientists talk about radioactive decay, they usually focus on alpha, beta, and gamma radiation, although there are additional types of emissions.
The[18F]FDG-6-phosphate formed when[18F]FDG enters thecell thus cannot move out of the cell before radioactive decay.
Gamma rays have wavelengths shorter than 0.01 nanometres andare emitted during radioactive decay, or by particles travelling near the speed of light.
(When the number of atoms on either side is unequal,the transformation is referred to as a nuclear reaction or radioactive decay.).
Radioactive decay is the process by which the fission products stabilize themselves by emitting energy in the form of small particles(alpha, beta, gamma, neutron, etc.).
Earth's geothermal energy originates from the original formation of the planet(20%) and from radioactive decay of minerals(80%).
At that time, planetary bodies were heated by radioactive decay to temperatures hot enough to cause them to melt and segregate into a liquid metal core surrounded by a rocky mantle.
The geothermal energy of the Earth'scrust originates from the original formation of the planet(20%) and from radioactive decay of minerals(80%).
However, recent studies suggest thathelium is produced deep in the earth by radioactive decay, and that large untapped reserves may exist under the Rocky Mountains in North America and in natural gas reserves.
Ionizing radiation(IR) flows is called particles and electromagnetic rays produced in nuclear transformations,i.e. as a result of radioactive decay.
Plutonium-238 and some other elements are used toproduce small amounts of nuclear power by radioactive decay in radioisotope thermoelectric generators and other types of atomic batteries.
Since muons have a much larger mass and energy than decay energy of radioactivity,they are never generated by radioactive decay.
This paradox consists of the fact that helium in theEarth's atmosphere seems to be produced(via radioactive decay of uranium and thorium) faster than it is lost by escaping from the upper atmosphere.
Because muons have a very large mass and energy compared with the decay energy of radioactivity,they are never produced by radioactive decay.
There is still the possibility that the particular infrared light that thescientists spotted was not the result of radioactive decay, but a different light that was produced along with the gamma-ray burst, Woosley said.
Thus, there are two sources of 87Sr in any material: that formed in stars along with 84Sr, 86Sr and 88Sr,as well as that formed by radioactive decay of 87Rb.
Plutonium-238 is a particular isotope of plutonium that's capable ofsteadily pumping out heat due to its natural radioactive decay, yet it remains relatively stable, safe, and emits relatively low levels of beta and gamma radiation.
Physicists discussed a thought experiment that involved locking up a cat in a sealed box containing a vial of poisonous gas that could be released at any moment,triggered by a random radioactive decay.
The process is slow(hence the name)in the sense that there is sufficient time for this radioactive decay to occur before another neutron is captured.
Due to the relatively long half-life of these Pu isotopes,these wastes from radioactive decay of bomb core material would be very small, and in any case, far less dangerous(even in terms of simple radioactivity) than the Pu-239 itself.
The source of the hydrogenneeded for their respiration comes from the decomposition of water by radioactive decay of uranium, thorium, and potassium.
If the null hypothesis predicts(say) on average 9 counts per minute,then according to the Poisson distribution typical for radioactive decay there is about 41% chance of recording 10 or more counts.