radioactive decay in English

gradual reduction in the number of radioactive atoms in material

Use "radioactive decay" in a sentence

1. Antimatter is also produced by radioactive decay.

2. Unlike helium - it cannot be produced by radioactive decay.

3. Rutherford first identified the action of probability in radioactive decay.

4. One becquerel is equal to one radioactive decay per second.

5. Chemistry also uses calculus in determining reaction rates and radioactive decay.

6. Alpha particles are positively charged helium nuclei obtained from natural radioactive decay.

7. This instability leads to radioactive decay of C at a regular rate.

8. Radioactive decay is still a major concern for the people in this area.

9. An example of the Actinide uranium, undergoing radioactive decay, is shown on screen now

10. Radon is a gas that comes from the radioactive decay of radium in rocks.

11. This is a dating method based on the radioactive decay of isotopes of uranium.

12. It is the product of radioactive decay ( see radioactivity ) and is used in helium dating.

13. Radon is formed as part of the normal radioactive decay chain of uranium and thorium.

14. Each element has at least one isotope with unstable nuclei that can undergo radioactive decay.

15. It had been used for practical ends(Sentencedict.com), to identify elements and to unravel radioactive decay chains.

16. Mathematical relationship between Rn daughter concentrations and ventilation, adhesion and deposition, and radioactive decay was developed in the paper.

17. Becquerel The International System (SI) unit for measuring radioactivity based on radioactive decay, equal to 1 disintegration (nuclear transition)/sec

18. During the radioactive decay of an atom, 3 types of particles we call alpha, beta and gamma may be created.

19. This process of radioactive decay also emits ionizing radiation (alpha particles, beta particles, or gamma rays) with each nuclear transformation.

20. · Residual stress measurements by neutron diffraction, assessing microstructure evolution in thermally aged strengthened steels and investigating thermal acceleration of radioactive decay;

21. (When the number of atoms on either side is unequal, the transformation is referred to as a nuclear reaction or radioactive decay.)

22. The process by which an atom changes from an unstable state to a morestable state by emittingradiation is called radioactive decay or radioactivity.

23. Since Astatine is usually only found as a state of another heavier element in the process of radioactive decay, Astatine is one of the rarest elements on Earth.

24. Arthur Holmes proposed that the heat in the interior of the Earth, some of which was generated by radioactive decay, could be driving a convection that drags around the continents at the surface.

25. “Once an organism dies, it no longer absorbs new carbon dioxide from its environment, and the proportion of the isotope falls off over time as it undergoes radioactive decay,” states Science and Technology Illustrated.

26. Definition of Astatine : a radioactive halogen element discovered by bombarding bismuth with alpha particles and also formed by radioactive decay — see Chemical Elements Table First Known Use of Astatine 1947, in the meaning defined above

27. Astatine is a radioactive element with symbol At and atomic number 85. It has the distinction of being the rarest natural element found in the Earth's crust, as it is only produced from radioactive decay of even heavier elements

28. Becquerel (Bq) One of three units used to measure radioactivity, which refers to the amount of ionizing radiation released when an element (such as uranium) spontaneously emits energy as a result of the radioactive decay (or disintegration) of an unstable atom.

29. Corresponding to most kinds of particles, there is an associated antimatter Antiparticle with the same mass and opposite charge (including electric charge).For example, the Antiparticle of the electron is the positively charged positron, which is produced naturally in certain types of radioactive decay.

30. Antineutron and Up quark · See more » Weak interaction In particle physics, the weak interaction (the weak force or weak nuclear force) is the mechanism of interaction between sub-atomic particles that causes radioactive decay and thus plays an essential role in nuclear fission.

31. Curie An obsolete unit of radioactivity (i.e., radioactive decay) equal to 3.7 x 1010 disintegrations/sec of a radioactive nuclide, roughly equivalent to the activity of 1 g of radium; the Curie was replaced by the SI-derived unit for radioactivity, the Becquerel (2.70 x 10-11 Curies).

32. Curie An obsolete unit of radioactivity (i.e., radioactive decay) equal to 3.7 x 1010 disintegrations/sec of a radioactive nuclide, roughly equivalent to the activity of 1 g of radium; the Curie was replaced by the SI-derived unit for radioactivity, the Becquerel (2.70 x 10-11 Curies).

33. As the 99Mo continuously decays to 99mTc, the 99mTc can be removed periodically (usually daily) by flushing a saline solution (0.15 M NaCl in water) through the alumina column: the more highly charged 99MoO42− is retained on the column, where it continues to undergo radioactive decay, while the medically useful radioisotope 99mTcO4− is eluted in the saline.

34. Becquerel (Bq) One of three units used to measure radioactivity, which refers to the amount of ionizing radiation released when an element (such as uranium) spontaneously emits energy as a result of the radioactive decay (or disintegration) of an unstable atom.Radioactivity is also the term used to describe the rate at which radioactive material emits radiation, or how many atoms in the