Some articles on isotopes, naturally occurring, naturally, naturally occurring isotopes:
List Of Elements By Stability Of Isotopes - Overview
... Of the first 82 elements in the periodic table, 80 have isotopes considered to be stable ... with an atomic number over 82 have only isotopes that are known to decompose through radioactive decay ... However, it is possible that some isotopes that are presently considered stable will be revealed to decay with extremely long half-lives (as was the case in 2003 with bismuth-209 ...
... Of the first 82 elements in the periodic table, 80 have isotopes considered to be stable ... with an atomic number over 82 have only isotopes that are known to decompose through radioactive decay ... However, it is possible that some isotopes that are presently considered stable will be revealed to decay with extremely long half-lives (as was the case in 2003 with bismuth-209 ...
Appalachian Elktoe - Endangerment
... Although the landscape was changed due to the high winds and heavy rain of the hurricanes, naturally occurring storms do not threaten the Appalachian elktoe ... When humans tamper with the naturally occurring state of the streams however, it is very difficult for the Appalachian elktoe, as well as other mussel species, to remain healthy ... Naturally occurring siltation usually does not bother the species, because it is on a much smaller scale ...
... Although the landscape was changed due to the high winds and heavy rain of the hurricanes, naturally occurring storms do not threaten the Appalachian elktoe ... When humans tamper with the naturally occurring state of the streams however, it is very difficult for the Appalachian elktoe, as well as other mussel species, to remain healthy ... Naturally occurring siltation usually does not bother the species, because it is on a much smaller scale ...
Long-term Nonprogressor - Long-Term Progressors, Naturally-occurring Genetic Mutation, and Anti-HIV Gene Therapy
... reduced levels of the virus and even eliminated it in one patient with a naturally occurring gene mutation ... That patient carried a naturally occurring mutation in one copy of his CCR5 gene ... Since one copy of his gene was already disrupted naturally, twice as many of his cells were 'biallelically' modified," Sangamo Chief Executive Officer Edward Lanphier ...
... reduced levels of the virus and even eliminated it in one patient with a naturally occurring gene mutation ... That patient carried a naturally occurring mutation in one copy of his CCR5 gene ... Since one copy of his gene was already disrupted naturally, twice as many of his cells were 'biallelically' modified," Sangamo Chief Executive Officer Edward Lanphier ...
Isotope - Occurrence in Nature
... of the chemical elements Elements are composed of one or more naturally occurring isotopes ... The unstable (radioactive) isotopes are either primordial or postprimordial ... Primordial isotopes were a product of stellar nucleosynthesis or another type of nucleosynthesis such as cosmic ray spallation, and have persisted down to the present because their rate of decay is so ...
... of the chemical elements Elements are composed of one or more naturally occurring isotopes ... The unstable (radioactive) isotopes are either primordial or postprimordial ... Primordial isotopes were a product of stellar nucleosynthesis or another type of nucleosynthesis such as cosmic ray spallation, and have persisted down to the present because their rate of decay is so ...
Integrated Pest Management - Process
... Augmentative control includes the periodic introduction of naturally occurring predators in sufficient numbers to keep pest damage below economoic damaging levels ... cases, because in the introduction of new species, or supplementation of naturally occurring species can have detrimental effect to the ecosystem ... use pesticides derived from plants, such as botanicals, or other naturally occurring materials ...
... Augmentative control includes the periodic introduction of naturally occurring predators in sufficient numbers to keep pest damage below economoic damaging levels ... cases, because in the introduction of new species, or supplementation of naturally occurring species can have detrimental effect to the ecosystem ... use pesticides derived from plants, such as botanicals, or other naturally occurring materials ...
Famous quotes containing the word naturally:
“For, the expectation of gratitude is mean, and is continually punished by the total insensibility of the obliged person. It is a great happiness to get off without injury and heart-burning, from one who has had the ill luck to be served by you. It is a very onerous business, this being served, and the debtor naturally wishes to give you a slap.”
—Ralph Waldo Emerson (1803–1882)
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