medical imaging, a time-activity curve is a curve of radioactivity (in terms of concentration) plotted on the y-axis against the time plotted on the x-axis...
12 KB (1,267 words) - 18:56, 23 May 2025
the task. The common expression "a steep learning curve" is a misnomer suggesting that an activity is difficult to learn and that expending much effort...
36 KB (4,349 words) - 09:15, 18 June 2025
code used by compilers Time-activity curve, tracer concentration within a region of interest within dynamic image plotted over time Triacetyl cellulose,...
4 KB (625 words) - 01:06, 16 April 2025
the mathematical model of tracer distribution. Measurement of the time-activity curve (TAC) within the skeletal region of interest, which acts as the second...
42 KB (5,257 words) - 19:04, 23 May 2025
Laffer curve illustrates a theoretical relationship between rates of taxation and the resulting levels of the government's tax revenue. The Laffer curve assumes...
49 KB (5,944 words) - 06:02, 13 June 2025
of a properly constructed yield curve. It should be based on a set of securities which have differing lengths of time to maturity, and all yields should...
45 KB (5,739 words) - 18:46, 22 April 2025
2-3 hours. The stomach time-activity curve is produced from geometric mean of anterior and posterior imaging. Half-emptying time, the lag-phase duration...
4 KB (389 words) - 05:51, 12 September 2024
specific configuration to the measurements with a measured plasma time-activity curve that serves as an forcing (input) function, and the binding of the...
8 KB (1,373 words) - 00:35, 18 February 2022
researchers. The arterial time-activity curve (TAC) from the image data requires corrections for metabolites formed over time, differences between whole...
17 KB (2,147 words) - 17:59, 28 May 2025
indicates time. The horizontal direction indicates distance (only one spatial dimension is taken into account), and the thick dashed curve is the spacetime...
124 KB (14,218 words) - 20:10, 14 July 2025
become available with the passage of time since the hypothesis was expressed, the data shows waves rather than a curve. The Kuznets ratio is a measurement...
31 KB (4,058 words) - 22:54, 19 June 2025
discussed in the Learning curve article.) This was later more generalized to: The more times a task has been performed, the less time is required on each subsequent...
21 KB (2,548 words) - 03:53, 16 June 2025
Receiver operating characteristic (redirect from ROC Curve)
A receiver operating characteristic curve, or ROC curve, is a graphical plot that illustrates the performance of a binary classifier model (can be used...
62 KB (7,929 words) - 05:43, 2 July 2025
In economics, a backward-bending supply curve of labour, or backward-bending labour supply curve, is a graphical device showing a situation in which as...
9 KB (1,289 words) - 18:28, 24 August 2024
The Phillips curve is an economic model, named after Bill Phillips, that correlates reduced unemployment with increasing wages in an economy. While Phillips...
41 KB (5,606 words) - 23:50, 5 June 2025
see trend estimation and decomposition of time series Curve fitting is the process of constructing a curve, or mathematical function, that has the best...
43 KB (5,025 words) - 15:47, 14 March 2025
A Beveridge curve, or UV curve, is a graphical representation of the relationship between unemployment and the job vacancy rate, the number of unfilled...
14 KB (1,726 words) - 06:48, 27 June 2024
various levels of statin therapy at hospital discharge, followed by home time, in an attempt to lower the risk of adverse events. The Infarct Combat Project...
23 KB (2,366 words) - 18:58, 7 June 2025
Dose–response relationship (redirect from Dose-response curve)
a chemical) after a certain exposure time. Dose–response relationships can be described by dose–response curves. This is explained further in the following...
17 KB (1,777 words) - 00:45, 6 July 2025
transit time for the MAG3 to pass. More information can be gathered by calculating time activity curves; with normal kidney perfusion, peak activity should...
15 KB (1,681 words) - 13:33, 5 March 2024
Radiocarbon dating (redirect from Bomb curve)
known separation in time, these samples form a subset of the calibration curve. The sequence can be compared to the calibration curve and the best match...
104 KB (13,946 words) - 12:03, 14 July 2025
A vitality curve is a performance management practice that calls for individuals to be ranked or rated against their coworkers. It is also called stack...
34 KB (3,931 words) - 00:14, 4 June 2025
titled Dogs Eating Dogs in 2012. During this time, DeLonge became more invested in non-musical activities, mostly related to his passion for UFOs and conspiracy...
69 KB (6,388 words) - 20:11, 19 June 2025
Time travel is the hypothetical activity of traveling into the past or future. Time travel is a concept in philosophy and fiction, particularly science...
73 KB (8,222 words) - 03:39, 5 July 2025
pharmacokinetics, the area under the curve (AUC) is the definite integral of the concentration of a drug in blood plasma as a function of time (this can be done using...
11 KB (1,288 words) - 08:18, 25 May 2025
bell-shaped curves of MAE activity across tested concentration ranges. Hence, there is a restricted concentration range for optimal pharmacodynamic activity. Endogenous...
59 KB (5,960 words) - 21:59, 9 July 2025
damage. In advance of each Pacific hurricane season, forecasts of hurricane activity are issued by forecasters from the United States National Oceanic and Atmospheric...
48 KB (4,299 words) - 16:38, 12 July 2025
An extracurricular activity (ECA) or extra academic activity (EAA) or cultural activity is an activity, performed by students, that falls outside the...
13 KB (1,497 words) - 04:04, 6 June 2025
AD–AS model (category Economics curves)
the overall activity level of the economy.: 263 : 411 The dynamic AS curve slopes upward, reflecting the mechanisms of the Phillips curve: Other things...
22 KB (2,853 words) - 10:23, 1 July 2025
a distinction by deconvolutional analysis of technetium-99m IDA time-activity curves". Journal of Nuclear Medicine. 29 (5): 623–630. PMID 3373303. Kowalsky...
8 KB (856 words) - 11:35, 24 September 2024