The phrase "are nowadays allowed" is correct and usable in written English.
It can be used to indicate that something is permitted in the present time, often in contrast to past restrictions.
Example: "In many countries, certain types of renewable energy sources are nowadays allowed for residential use."
Alternatives: "are now permitted" or "are currently allowed".
New and more advanced guidance systems are nowadays available, allowing bringing natural light into buildings and offering potentials for energy savings associated to well-being for occupants.
However, it was later observed that obstruction-free TMs perform poorly and, as a result, state-of-the-art TM implementations are nowadays blocking, allowing aborts because of data conflicts rather than step contention.
For instance in seismic acquisition case, vector sensors are nowadays widely used, allowing a better characterization of the layers thanks to the state of polarization dimension added to detection process.
In vitro models representing the essential absorption barriers of the body are nowadays available, thus allowing investigation of the parameters that control permeability as well as transport processes across those barriers.
Correspondingly, decentralized techniques are nowadays starting to appear, that allow part of the training process to be completed on local devices, without transmitting the devices' data to the cloud -- Google's "federated learning" being one example.
The relevance that integrated product and services is assuming nowadays, allowing manufacturing companies to achieve a longer and more stable relationship with their customers, determines new approaches to product service development and methodologies or tools to support the review and definition of appropriate business models.
These claims are nowadays disputed.
Containers with long hold period are largely available nowadays, allowing low cost maintenance of frozen stocks.
The VIGS technique is nowadays widely used to allow the transient interruption of gene function through a process similar to RNA interference [ 2].
This technique is, nowadays, extensively used since it allows decreasing conservatism in the calculation models and performs more realistic simulation and more precise consideration of multidimensional effects under complex transients in NPPs.
