The phrase "a visible increase" is correct and usable in written English.
It can be used to describe a noticeable or observable rise in quantity, size, or intensity of something.
Example: "There has been a visible increase in the number of participants since last year."
Alternatives: "an apparent rise" or "a noticeable growth".
The disappointing thing about the 1.66GHz N450 Pineview processor is that it doesn't provide a visible increase in performance compared with the old N270 and N280 chips running Windows XP.
For the neck, low back and shoulder/arm there was a visible increase in prevalence ratio (as high as 5 times) when combined exposures of WBV, lifting, frequent bending, twisted posture and noise were included in the analysis.
Since the 1950s, CFc has been showing clear signs of potential reawaking, as indicated by frequent episodes of ground uplift (with a total of >3 m of permanent cumulative inflation at the caldera centre19), shallow seismicity20, and a visible increase in hydrothermal degassing14.
When NO2 gas was introduced into the test chamber, the measured electrical resistance value of the heterostructure thin film showed a visible increase.
Chief of Police Cathy Lanier said that people in D.C. "will see a visible increase in [police] presence" following the Boston explosions.
Again, there is a visible increase in the deviation away from the baseline state as more clusters are added rather than a strict decrease.
One unexpected feature of the 35S ARR1 D94E inflorescence phenotype was the absence of any visible increase in branching accompanied by a loss in shoot apical dominance.
On the Connecticut Mastery Tests we saw a very visible increase in reading, writing and math results in grades four, six and eight this year in Hartford.
There was a significant visible increase in protein expression between microaerophilic/anaerobic growth to the corresponding segment of the gel for cells grown aerobically (molecular weight 12 15 kDa; see Figure 4).
However, in two separate oral biopsies with Candida infection, there was a distinctly visible increase in both MKP1 and c-Fos expression, demonstrating that MKP1 and c-Fos constitute part of the oral epithelial response to Candida hyphal invasion during human infection in vivo.
During this process there was a synchronous and obvious visible increase in the number of CaP cells recruited to adipocytes, with clear morphological change to a mesenchymal phenotype and a marked increase in CaP cellular motility.
