WebMay 1, 2024 · The resolution expresses the number of mechanical degrees the encoder turns between each pulse of the square wave (figure 2). When this is known, the pulse rate indicates the rotational speed, while the pulse count between a start and end point indicates the number of degrees turned. Figure 2. An encoder of higher resolution can measure … WebFeb 25, 2005 · A. A conversion from counts per second (cps) to dose rate (Gy h -1, Sv h -1, etc.) is possible, but the conversion factor depends on the kind of detector being used and on the type of radiation being measured and frequently on the energy of the radiation. The relationship between count rate and dose rate is usually established through empirical ...
What is the abbreviation for Counts Per Second?
Web31. The count decreases to 40 counts per second (one half-life), 20 (2 half-lives), 10 (3 halflives), and 5 (4 half-lives). If 4 half-lives equals 8 h, then a single half-life equals 8/4 = 2 h. count how many times the count has halved over the eight hour period. There were 80 counts to begin with, and this halves to 40, then 20, then 10, and finally 5. WebFeb 26, 2024 · 英语小故事带翻译如下：. 原文：. On the third day after he was born, Little Elephant went with his mother to the banks of a stream, and there he saw a bird in the sky flying here and there. Little Elephant said: “If I could fly, I could see even more things, it would be great!”. In order to learn to fly, Little Elephant climbed ... glowe roman shades
every second counts-翻译为中文-例句英语 Reverso Context
WebDec 4, 2024 · The figures I gave above are in counts per second, but I counted over a longer period. Taking account of the uncertainties in both the count and the time period, the absolute uncertainty in 209 is 5; in 273, 7. This is on the basis that the uncertainty in the time is 1 second, and the uncertainty in the count (C) is √C. WebOne Bq is defined as the activity of a quantity of radioactive material in which one nucleus decays (or disintegrates) per second. The Bq unit is therefore equivalent to an inverse second, s⁻¹. When measuring radioactivity with a detector, a unit of “counts per second” (cps) or “counts per minute” (cpm) is often used. WebMay 23, 2024 · Answer: The time for activity to fell from 800 counts per second to 200 counts per second is 20 minutes. Explanation: Expression for rate law for first order kinetics is given by: where, k = rate constant . t = age of sample. a = let initial amount of the reactant . a - x = amount left after decay process a) for finding the rate constant: glower legal term