The phrase "an additional necessary" is not correct in written English.
It is a confusing combination of adjectives that does not convey a clear meaning.
Example: "We need to implement an additional necessary step in the process to ensure quality."
Alternatives: "an extra essential" or "a further required".
We contend that relatively preserved performance is an additional necessary component for demonstrations of neuronal compensation.
An additional necessary condition for the resonance to be fulfilled is the minimization of the energy of FM sample with respect to the angles θ M and ϕ M : partial E/partial {theta}_M = 0,kern1em partial E/partial {phi}_M = 0 (6).
An additional, necessary step for the future should be the disclosure that formaldehyde -- a known carcinogen -- is released, as well as ultrafine particles, which get trapped in the lungs causing tissue inflammation.
An additional necessary condition for the occurrence of DENV local adaptation to Ae. aegypti is that the genetic structure of mosquito populations must be coupled with some degree of genetic specificity of vector-virus compatibility.
In other situations, computing the local approximate field gradient all over the mesh might be an expensive additional necessary step.
Unfortunately, tackling carbon emissions continues to be seen as an additional but necessary burden to economic growth, rather than being recognised as a sustainable solution to stimulating economic activity in these troubled times.
But this "walk-in" approach is an additional measure, necessary in part because people are really struggling to get into drug treatment programs.
Our use of an retrospective control group was an additional, albeit necessary, limitation to this evaluation.
Hence, inorganic phosphate might be an additional signal necessary to induce apoptosis in oesophageal cancer cells.
OpenGL is window system independent, so an additional toolkit is necessary to provide the necessary windowing and input event management; for this we recommend using the GLUT package.
It then offers an additional boost when necessary.
