The phrase "a linear proportion" is correct and usable in written English.
It can be used in contexts involving mathematics, statistics, or any discussion of relationships between variables that change in a consistent manner.
Example: "In this experiment, we observed a linear proportion between the amount of light and the rate of photosynthesis."
Alternatives: "a direct ratio" or "a straight correlation".
A linear proportion between DS-P content and required water amount is also found in the flow test.
Using the chronoamperometry analysis, the redox current had a linear proportion with increasing DNA-t concentration.
In this paper, the coupling relationship between heating and electricity is simplified as a linear proportion based on an energy hub model [19, 20].
Assuming that the change in the angle is small enough, we obtain a linear proportion between the relative shift and the angle of tilting.
Moreover, being in a linear proportion with blood pressure change, vessels movement is suitable for related blood pressure measurements, namely for pulse pressure measurements (the difference between the systolic and diastolic pressures) [ 26].
As a rule, brain size increases with body size, but not in a simple linear proportion.
Correlating the solvents polarity in terms of their dielectric constants with Stokes shifts and emission wavelengths of M4 6 (Fig. 8) gives a direct linear proportion indicating that compounds M4 6 are typical molecular rotors.
To support them well, two points are crucial: the money should be divided among all authors and we mustn't let companies take any of it from them; and the distribution of money should be based on a sliding scale, not in linear proportion to the book's popularity.
The models predicted a linear baseline proportion of diarrhea visits that occur year-round, above which seasonal variation that is observed can largely be attributed to predicted values of norovirus (for all ages) or norovirus and rotavirus (for the 0 4-year age group).
The material removal rate, which is an important process factor in manufacturing, approximately increases in linear proportion with the discharge energy, and achieves commercially interesting values by using an electrode made of copper and tungsten.
What is more, it was characterised in linear proportion to the nanoparticle concentration, which is a very useful quantification property.
