The phrase "adds markedly" is correct and usable in written English.
It can be used to describe a significant or noticeable increase or improvement in something.
Example: "The new marketing strategy adds markedly to our overall brand visibility."
Alternatives: "greatly enhances" or "significantly contributes to".
The Israeli closing of Gaza has added markedly to the difficulty of daily life here, with long lines for cooking gas and a sense across the population of being under siege.
A major new proposal that would add markedly to the redevelopment of the West Branch is to be submitted to Stamford's planning and zoning boards in April by Arthur Collins, a developer of large mixed-use waterfront properties in Greenwich and Stamford.
Excellent illustrations, graphs, and photographs also complement many chapters and add markedly to the value of the book.
The effect of BC and WA on the Cmic and qCO2 was mostly negative, whereas adding HS markedly increased Cmic and reduced qCO2 in soil.
A dissociation equilibrium of the dye in solution of non-aqueous solvents and the acid or base added determine markedly the electrochemical responses.
Administration of the dopamine 2 receptor (D2R) agonist, bromocriptine (5 µM), in the absence of added dopamine markedly inhibited both directional and oscillatory movement of mitochondria (compare Fig. 4A and B, pie chart insets a and b; Movies S5 and S6).
In PGF2α and ET-1 contracted arterial segments, an inhibitor of guanylyl cyclase, ODQ (3 μM) inhibited the response to exogenously added NO markedly, but failed to change the response to O2 lowering.
The imaging results demonstrate the pathogenesis, severity and potential lethality of the conditions in these cases, which markedly adds to their didactic value.
"Many people we see are refractory to a mood stabilizer alone, and adding an antidepressant markedly improves them," said Dr. Lori Altshuler, professor of psychiatry at UCLA, who was not involved in the study.
On the other hand, adding nt3 sometimes markedly decreases support for deeper nodes, e.g. Gelechioidea, "core" Zygaenoidea, Yponomeutoidea + Gracillarioidea.
