The phrase "appear to be constant" is correct and usable in written English.
It can be used when discussing something that seems to remain unchanged or stable over time or under certain conditions.
Example: "The results of the experiment appear to be constant, indicating a reliable outcome."
Alternatives: "seem to remain unchanged" or "seem to be stable".
These values appear to be constant below a depth of 40 m (Fig. 7).
This may be because knowledge acquired through self-intimation would appear to be constant and automatic, thus violating the effort condition on introspection (condition 6 in Section 1.1 above).
Interestingly, the Ab titers present in the sera of controls for Cd and Ni exposures appear to be constant regardless of the protein content.
However, we can conclude that at least in this study, WTP per EQ-5D-based QALY does not appear to be constant.
Although this change in the number of particles at the cell borders is "expected," we need to discuss under which conditions the brightness will appear to be constant.
What does appear to be constant in all studies reviewed for the present work is that the prevalence of deficiency is greater among people aged 65â€76 yearss.
Despite differences in the magnetic mineral content, the relative contributions of coarse and ultrafine grains appeared to be constant.
Besides, higher measurement uncertainty takes place at lower flowrates, and the uncertainty appears to be constant when the flowrate is greater than a certain value.
A modelization allows to determine first the reaction rate, which appears to be constant during operation, and second an electrochemical kinetics law of intercalation.
Since the extent of the plume appeared to be constant over the last 5 years, an extended study was performed to elucidate the degradation processes.
As determined by the AFM studies, the thickness changes were similar to those of SWE and SEM results during the former step, up to 700 °C, but it appeared to be constant in the later temperature interval.
