"are recognised to be" is correct and usable in written English.
It is a passive construction meaning that something or someone is acknowledged or accepted as being a certain way or having a certain quality. Example: "The new regulations are recognised to be complex and require careful analysis before implementation."
"What they could not have anticipated is that the terms on which they were appointed in respect of their pensions, which are recognised to be the compensating benefit, would be cut by the government to their substantial financial detriment".
In general, only selected anions such as Cl− and Br− are recognised to be transported unretarded and they are referred to as conservative tracers or mobile anions.
Deep-seated lipomas are recognised to be more vascular than subcutaneous lipomas, a feature reflected in the minimal to mild internal vascularity evident in 43% of tumours.
Moreover, earthquake effects generally require the inclusion of two horizontal component loads that are recognised to be more damaging than single direction actions.
The computer models used to explore scenarios for the impacts of different levels of greenhouse gases are recognised to be weaker on rainfall than on temperature.
Chemical effects are recognised to be dominant at low frequency (Suslick et al. 1999), while physical effects are dominant at high frequency as it requires very high energy input to generate cavitation at high frequencies.
"What people want in life is to be recognised, to be part of, to grow and to have made a difference.
On the contrary: Birmingham is recognised to be one of the most pro-active councils when it comes to the problem of school drop-outs.
At Westminster he built a team that was recognised to be the best in local government and created a successful consultancy operation providing services to other organisations.
At the same time, accounting for intangibles is recognised to be inadequate.
One of the main causes for heavy vehicles rollover is recognised to be cross wind.
