The phrase "among the existing ones" is correct and usable in written English.
It can be used when referring to a selection or group of items that are already present or available.
Example: "We need to choose a solution among the existing ones that best fits our needs."
Alternatives: "from the current options" or "within the available choices".
Here we briefly review the current views of virus evolution and propose a new, coherent scenario that appears to be best compatible with comparative-genomic data and is naturally linked to models of cellular evolution that, from independent considerations, seem to be the most parsimonious among the existing ones.
In order to check if the use of nucleating agents could actually enhance the crystallization in the γ-crystal form under high P, two α-nucleating agents were selected among the existing ones and a β-nucleating agent was also chosen for comparison.
Finally, numerical examples are given to illustrate the effectiveness and reduced conservatism of the proposed results over the existing ones, among them one example was supported by real-life application of the benchmark problem.
We need new schools and renovation of the existing ones.
— ballparks essentially a loud foul from the existing ones.
The extra ones will be harder to deliver than the existing ones.
Hence, not only the choice of the more efficient QC method for a given problem among the already existing ones, but also the design of novel model chemistries becomes 'more an art than a science' [17], based more on know-how and empiricism than in a set of systematic procedures.
Comparisons of numerical results among existing ones show the performance of the developed elements.
Table 6 further gives the largest PSNR gains (dB) of the proposed DVFI+CQM framework over the existing ones among different congestion cases of cross traffic for the four input rates of video source (IR = 128, 256, 384, and 512 kbps) in all the test video sequences both in QCIF and CIF.
One idea offered by Rael in Geniocracy is to have specialists such as psychologists, neurologists, ethnologists, etc., perfect or choose among existing ones, a series of tests that would define each person's level of intelligence.
