"retain the structure" is a correct and usable phrase in written English.
You can use it to describe keeping something in the same format as it was originally. For example, "We should retain the structure of the document for clarity."
Mr. Baumgartner said he and his business partners would retain the structure but would probably open a restaurant inside.
However they retain the structure of a virus and they can be engineered to have antigens attached.
The sequences in stem 1 and stem 3 were unchanged in order to retain the structure switching and ligand binding functions.
Co-clusters in ternary or higher order metallic alloys are metastable structures involving two or more distinct alloying atoms that retain the structure of the host lattice.
Her need for a narrative to make sense of her life while it was taking unexpected turns, to retain the structure of families and intimate life on which she had relied, struggles with the narrative of actuality.
More important, MnO2 in-situ growth on PANI layer can effectively retain the structure of composites and improve the long-term cycle stability, which is conducive to obtain the new-type portable energy storage devices.
It retains the structure, themes and, in many cases, the actual lines of the original "Seagull".
Its latest incarnation: a budget boutique property from Sean MacPherson and Eric Goode that still retains the structure's original MASCULINE vibe, with taxidermy, animal skins, communal toilets and nautical-size rooms (starting at $99).
Vitrification is a phenomenon in which liquids take on the physical properties of a solid while retaining the structure of a liquid on a molecular scale.
The process uses a detergent to wash away the living tissue, leaving a network of proteins that retains the structure of the blood vessels and other components of the organ.
The results of HRTEM and XRD showed that the incomplete carbon network could be repaired by nanometer-sized LSC while the co-coated composite retained the structure of LiFePO4.
