The phrase "addition of a combination" is correct and usable in written English.
It can be used in contexts where you are discussing the process of adding elements or components together, particularly in mathematical or analytical discussions.
Example: "The addition of a combination of different ingredients can lead to a unique flavor profile in the dish."
Alternatives: "sum of a combination" or "inclusion of a combination".
The effect of the addition of a combination of rigid nanofillers and soft rubber nanoparticles on the fracture toughness of epoxy resins was studied.
The latter is used to determine the conditions for quenching or enhancing the response of the system to a primary resonance by the addition of a combination resonance.
This method recovered almost 90%% of alumina from CFA, and the results indicate that the addition of a combination of S and C, either elementally or as coal refuse, produces a higher recovery of alumina from CFA and at lower sintering temperatures, resulting in an energy savings.
The increase in fluorescence was prevented by addition of a combination of antioxidants; deferoxamine and TEMPOL.
In these cells, increased free cholesterol levels were only seen following the addition of a combination of free cholesterol and an ACAT inhibitor (data not shown).
Addition of a combination of siHIF-1α and siHIF-2α almost completely abolished hypoxia-induced leptin expression, demonstrating the involvement of both isoforms (98% reduction relative to siLuc).
Serum was collected in all countries, either exclusively (3) or in addition to a combination of lesion epithelium/vesicular fluids, oropharyngeal fluids, oral swabs, saliva and whole blood (10).
PT represents the time in seconds, required for clot formation after the addition of thromboplastin (a combination of TF and phospholipids) and calcium to citrated plasma [ 20].
The current superalloys have a base composition of Co 10Al and are further tuned by the addition of a binary combination of molybdenum and niobium, with the optimum composition of Co 10Al 5Mo 2Nb.
In addition, an additive effect of a combination therapy of upamostat with gemcitabine was observed in the mammary tumour rat model BN472 (WILEX AG, data on file).
In addition, for users of a combination of an oral antidiabetic and insulin or combination therapy of two antidiabetics (i.e., usually the more severely ill patients), we did not found an increased risk of infections.
