The phrase "a combination of increased" is correct and usable in written English.
It can be used when discussing factors or elements that have risen or grown together in a particular context, such as in research, analysis, or reporting.
Example: "The study revealed a combination of increased productivity and employee satisfaction in the new work environment."
Alternatives: "a blend of heightened" or "a mix of augmented".
One key sentence: "Trump proposes eliminating America's $500 billion trade deficit through a combination of increased exports and reduced imports".
The lower activity of S146A was due to a combination of increased Km and decreased kcat.
Will a combination of increased demand from a growing educated world population and reduced supply due to forest protection measures mean that paper increases in price?
So a combination of increased rainfall and rising sea level is clearly increasing the risk of flooding, and raising costs for both homeowners and insurers.
A combination of increased wage rates and longer contracts meant that the average staff member earned 33% more than two years earlier.
Cotton values have surged owing to a combination of increased demand from China, floods in places such as Pakistan and speculative buying on international commodity exchanges.
Kay attributes the improvement to a combination of increased rest, lack of stress and the fact that the joint seems to have stabilized.
This causes a combination of increased drag and lost lift, a potentially dangerous situation that can result in a sudden loss of altitude.
Through a combination of increased aircraft efficiency, the growing popularity of applying liquid pesticides & herbicides from ground-based spray rigs & the economics of contemporary farming, the number of crop-dusting planes is thinning.
Only a combination of increased domestic oil production and advanced research into finding alternatives that can truly compete in the market with oil offers any promise of achieving energy independence.
What has really made the recent success possible, Mr. Goldston said, is a combination of increased news interest from viewers, the opportunities afforded by the change at NBC and technological changes in newsgathering.
