The phrase "mainly containing" is correct and usable in written English.
It is used to indicate that the majority or primary focus of something is included in the following statement or sentence. You can use it to describe the content or subject matter of a particular part of a sentence. Example: The first paragraph of the article was mainly containing background information on the issue at hand.
Phosphogypsum (PG) is a solid waste mainly containing calcium sulfate dihydrate (CaSO4·2H2O).
Furthermore, mRNA levels of lactase were measured in fractionized layers of jejunal and ileal mucosa (mainly containing villus tips or crypts) and ileal lamina propria (mainly containing Peyer's patches).
Ecstasy is the common name for a drug mainly containing a substance identified as 3,4-methylenedioxymethamphetamine (MDMA).
The chorion was composed of a fibroblastic part containing collagen and decorin and a trophoblastic part mainly containing biglycan.
Components identified as mainly containing ocular movements (i.e., blinks, saccades), heartbeat and muscle artifacts (by examining the components' topographies, frequency spectra and time courses) were removed (up to 4 components; mean: 3).
We found differences statistically significant on the binding affinity of peptides based on their content of cysteine, hydrophobic and polar amino acids, mainly containing alcohols.
In this work, a new slurry system, mainly containing hydroxyapatite (HA) and sodium alginate (SA), has been used to fabricate porous hydroxyapatite scaffolds.
A maximum of 45.64 g reducing sugar mainly containing 30.26 g glucose and 5.66 g xylose from 100 g DRB was attained in hydrolysates of DRB (HD).
Surface contamination layer mainly containing Fe, Ti and O with a thickness of ~ 20 μm was induced on AA 7150 surface during ultrasonic shot peening (USSP) treatment.
Homogeneous carbon-based materials were prepared for endohedral functionalization starting from carbon nanotubes (CNT) samples mainly containing double-walled and very-thin multi-walled CNTs.
Fluoferrite conversion coating has been studied for the corrosion protection of carbon steel by using the conversion solution mainly containing potassium fluoride, ammonium persulfate and other compositions.
