The phrase "ageing rates" is correct and usable in written English.
It can be used when discussing the speed or frequency at which ageing occurs, often in demographic or health-related contexts.
Example: "The ageing rates in the population have increased significantly over the past decade, leading to a greater demand for healthcare services."
Alternatives: "aging trends" or "ageing statistics".
We chose for demographic landmarks, rather than chronological age, to ensure that comparisons are made across corresponding age classes (middle-aged vs. old) of populations and treatments with different ageing rates.
The effects of different device architectures and encapsulation techniques on ageing rates of the samples were also studied.
The purpose of the chosen diversity was to establish the possible spread in the ageing rates generated by different architectures.
Physical ageing rates were then measured as a function of orientation with dilatometry and tensile creep measurements.
Data on the ageing rates occurring in the films during exposure in a conservation area are used to appraise that specific microenvironment in terms of risk of damage for painted works of art.
The ageing rates of Pma films, in terms of the fluorescence intensity are compared with those determined from the voltammetric response for films of different thicknesses (ca. 0.3 3 μm).
An ageing study realised at 700 °C for 320 h showed an ageing rate of 0.125% h−1.
The rate and shape of the charging current indubitably affect the charging time and the ageing rate of a battery.
Neither the ageing rate nor the shape of the distribution of retardation times are affected by temperature.
The ellipsometry data also confirmed higher aging rates in Hyflon AD compared to Teflon AF materials.
Calculated aging rates were also compared with the fraction of interphase material (which increases significantly with decreasing layer thickness), and the decrease in aging rate for films with thinner layers was found to correlate with an increase in interphase fraction.
