Examples of using Half-lives in English and their translations into Russian
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Official
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Colloquial
SCCPs have atmospheric half-lives ranging from 0.81 to 10.5 days,
Contamination with long-lived caesium and strontium radionuclides with half-lives of approximately 30 years, which damages the radiation hygiene situation(contamination of agricultural and forestry products with higher-than-permitted levels of radionuclides);
As different radioisotopes have different half-lives, counting can be delayed to allow interfering species to decay eliminating interference.
Helm et al.(2002) estimated the half-lives for alpha-HCH in a high Arctic lake at 0.6 to 1.4 years.
Both isomers are hydrolized within 8 hours at a pH of 7, with half-lives of 64 hours.
Under the criterion 1(b)(i) of Annex D to the Convention, half-lives for water, soil and sediment are set.
Newsted et al(2005) indicated that PFOS has relatively shorter half-lives in blood and liver tissue in birds compared to mammals.
alpha- and(-) alpha-HCH with half-lives of 5.9 and 23.1 years was observed.
overall half-lives, and similar toxicity.
Other studies estimated half-lives in eastern Arctic Ocean water of 6 years for(+)
although isotopes with shorter half-lives could be used for specialized applications.
overall half-lives, similar toxicity.
In soil, half-lives under aerobic and anaerobic conditions were 63
Neuro-PET has a disadvantage of requiring the use of tracers with half-lives of at most 110 minutes, such as FDG.
specifically when essential data such as environmental half-lives are not known.
All of the remaining radioactive isotopes have half-lives that are less than 3.5 hours, and the majority of these have half-lives that are less than 4 minutes.
even, half-lives.
For tetra-CNs to octa-CN no biodegradability was predicted and estimated half-lives in water were>=182 days.
However, the authors concluded that chloroanisoles were eliminated rapidly from fish half-lives for the tetra- and pentachloroanisoles were between 1-4 days.
Singh et al.(1991) reported half-lives of around 55 days on cropped