The phrase "a combination of competing" is correct and usable in written English.
It can be used when discussing elements or factors that are in competition with each other and are being combined in some way.
Example: "The project is a combination of competing technologies that aim to improve efficiency."
Alternatives: "a blend of rival" or "a mix of competing".
After touring the home's interior, visitors can head to the party out back, in the artificially turfed "yard," where they are met with a deafening combination of competing Zunes (Microsoft's MP3 players), a Taylor Morrison Homes design-it-yourself monitor (featuring the developer's floor plans), and a racecar simulation game, complete with juddering driver's seat.
Although, catalytic activity is often thought of in terms of a single active site, the determining factor for activity and selectivity may be a combination of several competing phenomena, involving multiple active sites and/or their interaction and proximity to each other.
"This combination of competing territorial claims and growth in military capability has the potential to destabilise the region and threaten Australia's interests," it says.
The Essay then outlines two alternative legal frameworks, either of which could accommodate this complex combination of competing values.
In fact, the discovery of predictive biomarkers requires specific statistical techniques for data-analysis that optimize the combination of competing therapies with candidate genetic features and characteristics of the patient and disease.
The process for using statistical inference to establish personalized treatment strategies requires specific techniques for data-analysis that optimize the combination of competing therapies with candidate genetic features and characteristics of the patient and disease.
The column had blamed a combination of the holiday, competing business in Manhattan and the late-afternoon taxi shift change.
"But a combination of fear and competing ideals may also be preventing Europe from thinking too far outside the box".
It is predicted that HOE can produce a comfortable working environment whilst maintaining daylighting and external views from the office: a combination of benefits which competing technologies such as blinds cannot provide.
