The phrase "alteration in the frequency" is correct and usable in written English.
It can be used in contexts discussing changes or modifications in the rate or occurrence of something, such as signals, sounds, or events.
Example: "The alteration in the frequency of the signal caused a noticeable change in the audio output."
Alternatives: "change in the frequency" or "modification of the frequency."
While specific, local outcomes of climate change are uncertain, recent assessments forecast alteration in the frequency, intensity, spatial extent, and duration of weather and climate extremes.
Administration of fulvestrant was not associated with any alteration in the frequency of pre-existing night sweats or hot flushes, and none of these AEs were initiated during fulvestrant treatment (Howell et al, 1996a).
It is unclear whether this has resulted in an identifiable behavioural change on the accuracy of weighing and whether there has been any alteration in the frequency of rounding or truncation of birth weight measurements.
In contrast, when ABO promoter methylation was quantified with pyrosequencing, correlation with patient outcome was lost with a minor alteration in the frequency of observed events (22/107, 21% for MS-HRM, and 22/85, 26% for pyrosequencing).
Furthermore, the results from PBMCs did not demonstrate a significant alteration in the frequencies of Treg in patients with IBD compared with healthy controls.
These results may aid in assessing differences in water use and the ability of bottomland deciduous species to tolerate alterations in the frequency or amount of precipitation.
Main Outcome Measures: Absolute and normalized values of isometric strength; and alterations in the frequency of cocontraction at 6 months and 1 year postoperatively.
Many regional and global scale studies suggest increases in exposure to hydrometeorological hazards, in particular from climate change-induced alterations in the frequency, intensity, and extent of extreme events (IPCC 2012).
Likewise, analysis of regulatory T cells showed no alterations in the frequency of CD4SP thymocytes expressing FoxP3 or CD25 nor CD4SP splenocytes expressing FoxP3 (Figure S1).
We searched for non-random alterations in the frequency of contacts between the PADI3 gene promoter and PIE in living keratinocytes by the use of Chromosome Conformation Capture (3C, Fig. 4) [44].
Moreover, these alterations in the frequency and location of ASA administration enabled a nearly five-fold reduction in the amount of allergen administered per pig for the respiratory challenge, from the 14 mg utilized by Fornhem et al [9] to the 2.5 mg used here.
