"simultaneous combination" is correct and usable in written English.
You can use it when describing two or more actions, events, etc., that occur at the same time. For example, "The simultaneous combination of a strong wind and the rainstorm created a powerful force."
But the fact that geographic atrophy was detected in the groups having combined PDT with an anti-VEGF agent suggests that simultaneous combination treatment with PDT in patients with RAP may enhance photochemical stress in the normal choroid with prolonged or magnified hypofluorescence in ICGA because of ischemia in the normal choriocapillaries.
Organum, the simultaneous combination of more than one melody, was developed in about the 9th century.
Polyrhythm, also called Cross-rhythm, the simultaneous combination of contrasting rhythms in a musical composition.
According to Gustavsson, the game will retain the hallmarks of the series, including large open environments, and the simultaneous combination of ship, aircraft and ground combat.
Settings of the hours preserve some of the oldest examples of polyphony, the art of simultaneous combination of melodies.
Plants often suffer from a simultaneous combination of high temperature and waterlogging.
Another interesting approach based on the simultaneous combination of two different types of nanoparticles is presented by Mihailovic et al. [64].
Setting specifications separately on each of these materials is unreasonable since it is the simultaneous combination of the properties of all the materials that will affect final quality.
Erosion resistance at 30° increased by a factor of 22 compared to bare substrate due to a simultaneous combination of high H and low μ.
The simultaneous combination of MWNT and SWV allowed the electrochemical signal of electro-active materials in Escherichia coli O157 H7 (E. coli) to be dramatically amplified.
Importantly, for the colored-noise part of the model, we varied alpha in 1/f α until the simultaneous combination of colored noise and white noise best fit the data.
