In our evaluation we introduced an estimate of both quantity and quality of research produced from each world region per year using: (1) the total number of publications, (2) the mean impact factor of publications, and (3) the product of the above two parameters.
These data provide support for the idea that females produce higher quality research compared to their male counterparts, who tend to produce a greater quantity of research output.
When I first arrived in Germany, the sheer quantity of research material — the inexhaustibility of the past — seemed overwhelming.
Still many point out that despite the slower pace and limited supplies and time, the quality of the research is the same regardless of the quantity of papers produced.
More research is needed to understand the variation in burn times and quantity of ash produced for different samples.
The quantity of polymer materials produced each year, measured in terms of volume, exceeds the quantity of steel produced.
"The quantity of plastic produced in he first 10 years of this century is likely to approach the quantity produced in the entire century that preceded it".
However, it is not just about the quantity of jobs produced.
Quantity of compost produced.
