The phrase "attached to a portion" is correct and usable in written English.
It can be used when describing something that is physically or metaphorically connected to a specific part of a whole.
Example: "The document was attached to a portion of the report that required further review."
Alternatives: "connected to a segment" or "affixed to a part".
One type of lift, the direct-plunger lift, is hydraulically driven, using a piston attached to a portion of the stage floor.
The tumor resected in January 2001 was attached to a portion of the dura.
The most complete specimen (Fig. 10d) is attached to a portion of the carapace with a marginal rim, indicating that the marginal rim extended at least midway back along the carapace.
Protein purification and mass spectrometry established that the C-terminal cleavage product had a MW of 11 687 daltons, which was well in excess of a product processed at the physiological site but corresponded to the mass predicted for full-length MIP-1 α attached to a portion of the adjacent polylinker.
They were using a series of manual winches that appeared to have been hung from nylon slings attached to a higher portion of the tower.
The waste flows into a bag that is attached to a small portion of the intestine or ureter that extends beyond the skin, called a stoma.
Feces or urine flows into a bag that is attached to a small portion of the intestine or ureter that extends beyond the skin, called a stoma.
It will be attached to a foot portion and after adjustments will serve as a mold for the final complete prosthesis.
These will be attached to a lower portion of the tree and then again on both edges of the platform.
Antimicrobial lipopeptides represent an old class of antibiotics that were discovered over 50 years ago and consist of a hydrophilic cyclic peptide portion attached to a fatty acid chain.
Pre-treatment and vector were delivered using an ~15 cm PE delivery cannula (Sterihealth, VIC, Australia) attached to a syringe, to reach the distal portion of the very long ferret trachea (~9 cm with 60-70 caringsge rings [ 12]).
