The phrase "varied appreciably" is correct and usable in written English.
It can be used to describe a significant difference or change in something, often in a quantitative or qualitative context.
Example: "The results of the experiment varied appreciably from the initial hypothesis, indicating a need for further investigation."
Alternatives: "changed significantly" or "differed markedly."
Most of the children had trouble pronouncing the word "democracy," and their capacity to recall and regurgitate the disjointed bits of information varied appreciably.
The observation of a local extinction phenomenon of the negatively stretched flame due to the flame curvature could not be consistently explained based on flame stretch or the Karlovitz number, since they varied appreciably with the jet velocity.
The latter two (MWO and MCU) varied appreciably over time periods of several hours whereas the former two (MSCE and MAG) varied less than 1 mV over periods of 6 8 h and are deemed suitable as reference electrodes for corrosion studies of systems immersed in a radiation field at elevated temperature.
The overall topology correctly reflected the basic arrangement of basal angiosperms, lower eudicots, rosids and asterids, but within each of these broader phylogenetic groupings the ordinal relationships varied appreciably from APG III (Figure 1; Inset Figure).
The corrected mean level of overall registration completeness was found to be 94% but this varied appreciably with site and source of data.
Two concentrations of TMSC were used in order to determine if the roughness of the film varied appreciably with film thickness, but no consistent trend was observed.
In none does the technique vary appreciably from that employed in Western countries.
These results do not vary appreciably by gender: in the first Gallup poll to show a slight pro-life majority, conducted in May 2009, half of American women described themselves as pro-life.
Different facilities can vary appreciably depending on the programmatic requirements.
The inhaled dose (Cxt) may vary appreciably across species with different respiratory minute volumes.
Also, the quench rate of the 8 wt.% concrete melts did not vary appreciably with pressure.
