The phrase "are however evolving" is correct and usable in written English.
It can be used to indicate that something is currently changing or developing, often in contrast to a previous state or expectation.
Example: "The technologies in this field are however evolving, leading to new possibilities and innovations."
Alternatives: "are nonetheless changing" or "are still developing".
The governing equations are, however, evolved on a fixed mapped grid, and the newly calculated solution is transformed back onto the moving grid via a domain mapping technique.
The field of microbicide development is however evolving rapidly and as yet no microbicide has been approved by the World Health Organisation.
T-score criteria for the diagnosis of osteoporosis and osteopenia are still evolving; however, it is estimated that using fractures as a clear endpoint for the disease, males have a 13%25%% lifetime risk of developing osteoporosis.
In the kitchen, in the service and in general maintenance, however, improvements are still evolving.
However, PROSPECT and SAIL are still evolving: they have undergone recent improvements both at the leaf and the plant levels.
Basic iPS technology is still evolving, however, and, for many diseases, patient-specific iPS cells have not yet been developed.
The evidence of health effects in humans is still evolving; however, epidemiologic studies suggest that prenatal DnBP and DEP exposure is associated with sex steroid hormone concentrations during pregnancy [ 9] and may increase the risk of adverse health outcomes during early childhood [ 10- 12].
The biological mechanism(s) underlying radiation-associated fatigue are unclear; however, evolving evidence implicates alterations in immune effector function, namely increased proinflammatory mediators [ 9, 22].
The membrane filtration technology is, however, rapidly evolving and both costs and system recoveries are consistently improving.
There are, however, additional opsins that evolved from these three basic classes in some butterfly eyes, which encode visual pigments with λmax values outside of these typical ranges (see below).
