WebHigh aspirin platelet reactivity (≥550 aspirin reaction units), with or without high clopidogrel platelet reactivity (>208 P2Y 12 reaction units), was not associated with clinical outcomes. 22 High clopidogrel reactivity (>208 P2Y 12 reaction units), however, was an independent predictor of 1-year stent thrombosis and MI (HR 2.49, 95% CI, 1. ... WebJan 1, 2010 · Reactivity is the measure of the departure of a reactor from critical. The effective multiplication factor, k eff, determines whether the neutron density within a reactor will remain constant or change.Since the power level is directly proportional to the neutron density, whenever k eff = 1.0, the reactor is critical and operates at a constant power level.
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WebNov 2, 2024 · Note that this definition makes an equivalent, and thus normality, a function of the chemical reaction. Although a solution of H 2 SO 4 has a single molarity, its normality depends on its reaction. We define the number of equivalents, n, using a reaction unit, which is the part of a chemical species participating in the chemical reaction. In a ... WebTests were made of the shutdown element at a temperature of 80° C. to 500° C. and with a one-hour test at 300° C., an average of 1.5 mg of gadolinium was deposited per fuel element ball. This corresponded to a reactivity reduction in the reactor core of about 23 nile. close. Sorry. No information on contributors is available for this page. chrysalis iop
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WebThe unit of reactivity has been normalized to the delayed neutron fraction. Reactivity in dollars = ρ / βeff. The cent is 1/100 of a dollar. This is a very useful unit because the … WebSep 19, 2024 · The units are thus moles per liter per unit time, written as M/s, M/min, or M/h. To measure reaction rates, chemists initiate the reaction, measure the concentration of the reactant or product at different times as the reaction progresses, perhaps plot the concentration as a function of time on a graph, and then calculate the change in the ... WebThe units for a rate constant will vary as appropriate to accommodate the overall order of the reaction – remembering that rate is always reported as … derricks ninety six sc