The phrase "address a portion" is correct and usable in written English.
It can be used when discussing the act of dealing with or focusing on a specific part of a larger topic or issue.
Example: "In this report, we will address a portion of the challenges faced by the industry."
Alternatives: "tackle a segment" or "discuss a part".
The Hurtado et al. study addressed a portion of our investigation and obtained similar findings in the experiments that closely replicated ours in methodology and design, specifically the open field locomotor study.
But it only addresses a portion of the discuss-o-sphere.
However, until now, ecoATM has only addressed a portion of the used device market, as its kiosks have been limited to accepting your cell phones, smartphones and MP3 players.
It's a little more intimate than our normal talks about securities, but it addresses a portion of your portfolio that is just as important as your balance: your emotional state.
In this week's ruling, the court addressed a portion of DirecTV's customer contract that required arbitration for dispute settlement unless the "law of your state" made such a waiver unenforceable.
The modules revolve around a panel of "patients" that remains constant, each with a life story that addresses a portion of the curriculum.
Some officials have said that would address only a portion of the debt problems, though.
Moreover, the foundation deal would address only a portion of the larger bankruptcy puzzle, a vast array of debts, creditors and assets that must be rearranged before the city can emerge from the nation's largest municipal bankruptcy.
Angelides aides got the files by "modifying" the Internet address on a portion of the governor's website devoted to speeches that he gives, something that is "a common practice in the media," according to the report.
The results of this research only address a small portion of the ice field.
