The phrase "a certain ratio with" is correct and usable in written English.
It can be used when discussing a specific relationship or proportion between two or more quantities or elements.
Example: "The recipe requires a certain ratio with the ingredients to achieve the desired flavor."
Alternatives: "a specific ratio to" or "a defined ratio with".
However, at medium levels of the applied stress, both fracture modes were mixed with a certain ratio of each fracture mode depending on the stress level.
In order to study the improvement of the cherry tomato growth rate using the LED light source, we have a design with a certain ratio of red and blue (relative spectral distribution) LED lighting system and carry out the manufacture of the LED supplementary lighting system.
The partial replacement of the carboxymethylcellulose with starch up to a certain ratio offers an alternative to pure CMC gels with increased swelling in water.
Lemma 2 shows that the recovery probability of each Layer i will increase with N when a certain ratio of symbols are received, as long as the ratio is more than r i.
As a result, we succeed in reducing a certain ratio of modified Fredholm perturbation determinants associated with operators in L2(Ω dnx), n∈N, to modified Fredholm determinants associated with operators in L2(∂Ω dn−1σ), n⩾2.
Phosphoric and nitric acids were mixed in a certain ratio and ammoniated in a reactor equipped with the agitator device, the reflux condenser and the water jacket, which allowed ammoniation to be carried out under near-isothermal conditions at 70 ± 2 °C.
The study was carried out using a configuration by which butane was fed to the inner tube (tube-side) where the catalyst was mounted and O2 was fed either entirely to the outer tube (shell-side) or distributed in a certain ratio between the tube- and shell-sides with a variation of the pressure difference across the membrane, ΔP.
TMEP was mixed with triethylenetetramine and epoxy prepolymer at a certain ratio to generate cured samples.
Into the Cave opens proceedings with a bassline as forebodingly funky as anything A Certain Ratio could muster, whereas Bunkerpop's mechanical rhythms and icy synths recall Joy Division's Isolation.
Last year, Mr. Robertson released "Revtone" (Nuphone), an appealing album that mixes smooth dance grooves with spikier sounds that evoke the new wave group A Certain Ratio.
