PSA doubling time is a mathematical tool which gives a dynamic value to PSA (prostatic specific antigen). The diversity of methods applied for its calculation constitutes a real problem for urologists. We reviewed the literature and selected two simple methods used to calculate the PSA doubling ...
How do you calculate doubling time using the Rule of 70? The Rule of 70 is a simplified way of determining the doubling time using the equation, doubling time = 70 / r , where r is the rate of growth for a population in percent. For example, if a population of 10 species were grow...
time taken for one task was 1,000 hours, we can infer that the incremental time to perform the second task was only 600 hours. This diminishing average theoretically continues as you advance along the learning curve. For example, the next doubling of tasks will occur at four tasks completed...
cpu术语、主频的计算方法(The CPU term, the calculation of the main frequency).doc,cpu术语、主频的计算方法(The CPU term, the calculation of the main frequency) CPU interface type / pin number CPU requires an interface to connect to the motherboard to w
ToDate(CurrentTimeMillis, "MM/dd/yyyy HH:mm")The following sub-sections explain all aspects of formulas in detail.18.1 Data TypesCalculation values can now be one of five different data types: • Number –The value is an integer number in the following range: ...
(antibodies against halogenated thymidine analogues and flow cytometry) which permit determinations of the duration of the synthesis phase, the labeling index, and the tumor potential doubling time (Tpot) in a short period of time and requiring only a small biopsy of tumor tissue, has expanded ...
of sound. Sound energy quantity cannot be sound field quantity . How is the sound level dependent from the distance to the sound source? The sound pressure level shows in the free field situation a reduction of 6 dB per doubling of distance; that means the sound pressure value is a half ...
Moreover, if the accuracy of the IIDG model remains constant while the network size expands or the penetration rate rises, the iterative computation time may skyrocket, and convergence may become challenging [9]. In the quest to enhance the efficiency of short-circuit current calculation, ...
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OSHA represents the use of an 8-hour exposure of noise at 90 dBA and a 5 dBA doubling rate, which does not protect many workers from hearing loss over their whole working lifetime. This may not represent a worldwide view of the subject. Noise is an increasing public health problem and...