doubling time


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doubling time

[′dəb·liŋ ‚tīm]
(nucleonics)
The time required for a breeding reactor to double its fuel inventory.
References in periodicals archive ?
There is a body of evidence in relapsed and advanced prostate cancer patients that slowing the velocity of PSA increase and therefore increasing PSA doubling time has a significant impact on improving prognoses, commented Dr.
Td=Tlg2/lg(Nt/N0); Td is the doubling time (h) T is the time taken for cells to proliferate from N0 to Nt (hour) and N is the cell count.
Over 52% of the patients experienced a prolongation of PSA doubling time (a reflection of slower tumor growth).
In addition we have calculated the doubling time of all these cell lines in the presence of FBS and CBS.
Quantitative analysis of tumor growth rate and changes in tumor marker level: Specific growth rate versus doubling time.
The disease-specific survival benefit was limited to men who had a PSA doubling time of less than 6 months and were treated within 2 years of biochemical recurrence (hazard ratio 0.
4 months in those who had minimal or no pain at baseline and whose PSA doubling time was equal to or more than 45 days.
Patients with short doubling times are more likely to die from the cancer.
Prostate cancer patients who have short doubling times are more likely to die from their illness.
Shorter doubling times are important as the slow growth rate of embryonic stem cells-most have a doubling time of 32 hours or more--is often a limiting factor in experiments using these cells.
We identify an inverse relationship between the average CFR and the average doubling time for different countries (Figure 2).
Population doubling time (at current rate) 51 years