The phrase "a section of approximately" is correct and usable in written English.
It can be used when you want to indicate an estimated size or extent of a particular section or part of something.
Example: "The report includes a section of approximately 10 pages dedicated to the analysis of market trends."
Alternatives: "a part of about" or "a segment of roughly".
A section of approximately 6 cm long was dissected from the middle of each internode, and 300 μl of juice was extracted by pressing each internode with a garlic squeezer.
After removal of the liver, a section of approximately 4 mm was fixed in PAF and embedded in paraffin.
Apart from other patterns of sequence similarity, all taxa of the subgenus Illyriobanatica lack a section of approximately 230 bp in the non-coding spacer region of the H4/H3 sequences.
A section of approximately 800 bp of the mitochondrial control region was amplified from all Chilean samples and the majority of Argentinean individuals using the primer combination S-phe 5'- GCT TTA GTT AAG CTA CG-3' [ 37] and P3 5'- AAC TTC CAT CCT CAA CTC CCA AAG-3' [ 38].
A section of tissue approximately 1 cm in length was taken from the mid region of the tendon between the musculotendinous junction and the insertion site.
Tissue sections were visualised using the confocal microscope at 1,024 × 1,024-pixel 1,024-pixelthresolutionX PL APO CS 20.0 × 0.70 DRY UV withrought-times averaging in sequential scanning (multitrack) mode witHCXhe PLnhole set to obtAPO an optiCSl section of approximately 1 mm in all channels.
You most likely want to choose a section of a song approximately thirty seconds in length.[15].
The composite nanorods were structurally characterized by field emission scanning electron microscopy, X-ray powder diffraction, Fourier transform infrared spectroscopy, and X-ray photoelectron spectroscopy which confirmed that synthesized product have rod-like morphology having an average cross section of approximately 300 nm.
RNA was eluted from FTA card by placing a section of the filter card (approximately 0.5 cm × 0.5 cm) in 300 μl of Elution buffer (Qiagen), vortexing and incubating on ice for approximately 15 min.
Low and high magnifications of FESEM images demonstrate that the composite material has rod-shape morphology with average cross section of approximately 300 nm.
Per patient, 1 section of approximately 2 cm tissue, was divided in approximately 70 pictures, which were all analysed.
