The phrase "also deep into" is correct and usable in written English.
It can be used to indicate involvement or engagement in a subject or activity to a significant extent, often in a context where multiple topics or areas are being discussed.
Example: "The research team is not only focused on climate change but also deep into the effects of pollution on marine life."
Alternatives: "also heavily involved in" or "also extensively engaged in".
"It also reinforces belief that the Bank of England will not only keep interest rates down at 0.5% on Thursday, but also deep into 2010.
Ms. Vallye proposes Léger's mural as the counterweight or bookend to Picasso's masterpiece, suggesting that the Léger was in effect pushing Cubism not only definitively out of the studio and into the street, but also deep into the forms and the very metabolism of popular culture.
Beethoven accepted the challenge, but rather than write a single variation on the theme he decided, instead, to write thirty-three, and to issue it as one work, which he didn't finish for four years — by which time he was also deep into the composition of his Ninth Symphony.
But the foundation is also deep into a project to discover the limits of what's known, unknown and unknowable.
He is also deep into the Cracked discussion board, which allows him to unlock new portals into the site's eccentric universe.
They're also deep into pursuing other avenues of funding like a low-interest federal loan paid back over 30 years, or a "P-3" partnership between the local government and a private corporation.
For a sufficiently large charge imbalance, the electric field generated by the nanoparticle will be able to engender anodic etching not only at the nanoparticle/Si interface but also deeper into the surrounding Si.Electropolishing will occur at the nanoparticle/Si interface where the potential is highest.
"Maura requires that you move outside of yourself but also deeper into yourself".
However, by 1783 Forster saw that his involvement with the Rosicrucians not only led him away from real science, but also deeper into debt (it is said he was not good at money ); for these reasons Forster was happy to accept a proposal by the Polish Komisja Edukacji Narodowej (Commission of National Education) and became Chair of Natural History at Vilnius University in 1784.
There is also deep intelligence built into Chinese sweatshops.
Mr. Mpotulo also dug deep into himself.
