The phrase "a shorter portion" is correct and usable in written English.
It can be used when referring to a smaller segment or part of something larger, such as a text, video, or physical object.
Example: "For this analysis, we will focus on a shorter portion of the article that highlights the main arguments."
Alternatives: "a smaller segment" or "a brief section".
A short portion of the beam is used as an active block.
He was the de facto head coach when Payton missed a short portion of last season with a knee injury.
Ms. Tomlin said the impetus came after she and Ms. Wagner showed a short portion of "Search" to students in a workshop at the University of Southern California.
And on an upper floor there is a short portion of the exhibition devoted to Chinese Marxism, referring to the Long March led by Mao in the 1930's as a "mythologized" event and speaking of the massacre of thousands of students and others during the violent suppression of the Tiananmen democracy movement in China in 1989.
President Bush did not initially watch the television coverage of Mr. Hussein's court appearance, but at around midday he stepped out of the Oval Office into an adjoining room to watch a short portion of the tape that was being replayed by one of the news networks, Scott McClellan, the White House spokesman, said.
sequence of the contig revealed a short portion (40 a.a. residues) at its N-terminus with high similarity to a low density lipoprotein receptor (LDLR) class A domain and another 152 a.a. residues at its C-terminus with high similarity to a C-type lectin domain.
It offers support on several issues, such as defining software product development strategies, decision-making regarding process improvement and training, in a time span ranging from a short portion of the life cycle to long term product evolution, with organization-wide implications.
At the same time, the Retina MBP was only available for a short portion of the quarter being reported, so it's possible we'll see a spike in Q4.
The first is associated with cases where masonry infill walls leave a short portion of clear column, creating the so-called short column; this situation is caused by openings in the infill walls, for doors or windows, or for landing slabs of staircases.
