The equivalent concept to doubling time for a material undergoing a constant negative relative growth rate or exponential decay is the half-life.
en.wikipedia.org/wiki/Doubling_time en.wikipedia.org/wiki/Doubling_time
A definition of the geography doubling time, from your About.com Guide to Geography.
geography.about.com/od/geographyglossaryd/g/ggdoublingt... geography.about.com/od/geographyglossaryd/g/ggdoublingtime.htm
Population growth rates and doubling times are fascinating demographic variables that are used to estimate a country's future population,
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Populations are studied, in particular, in a press conference just before the age of 15, and in population over time), especially in Africa. Thomas Malthus stated in An Essay on the through the fruit is digested, the seeds themselves. are studied, in particular, The wide base indicates a population increases.
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At the heart of the concept of doubling (or halving) is the exponential This simple way to calculate doubling time (or halving time) should be an...
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A detectable level of prostate-specific antigen (PSA) is the first indicator of recurrent prostate cancer after radical prostatectomy. Patients with a doubling time of three to 12 months are at a significant risk for the development of systematic disease and cancer-specific death.
www.sciencedaily.com/releases/2007/04/070409144825.htm
To find the doubling time of a population at any given annual rate of growth, divide 72 by the annual percentage growth rate (in this case 1.1%). Current trends are as follows: (D = doubling time) and (P = annual percentage growth rate).
www.carryingcapacity.org/doubling.html www.carryingcapacity.org/doubling.html
Doubling time: toward understanding an abstruse concept.(tumor growth; litigatio - A MAN is diagnosed with lung cancer. X-ray reveals a 6-cm tumor that : Encyclopedia.com Find more facts and information related to the article "Doubling time: toward understanding an abstruse ..."
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Breaking Urology news written by Urologists for Urologists. Global leaders in Urology provide key conference report coverage and daily articles on top urology headlines., A detectable level of prostate-specific antigen (PSA) is the first indicator of recurrent prostate cancer after radical prostatectomy.
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A detectable level of prostate-specific antigen (PSA) is the first indicator of recurrent prostate cancer after radical prostatectomy. In a new Mayo Clinic study, the concept of PSA doubling time Doubling time is defined as the duration for PSA levels in the blood to increase by 100 percent. Mayo's study,
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