The phrase "aliphatic fraction" is correct and usable in written English.
It can be used in contexts related to chemistry, particularly when discussing the components of organic compounds that are aliphatic in nature.
Example: "The aliphatic fraction of the crude oil was analyzed to determine its potential for producing high-quality fuels."
Alternatives: "aliphatic component" or "aliphatic segment".
Petroleum hydrocarbons (aliphatic fraction) decreased from ∼20,000 mg/kg to <200 mg/kg at the completion of 180 weeks of treatment.
Aliphatic fraction was completely biodegraded by DMC B, while degradation of the aromatic polar mixture was 12.5% and for total hydrocarbons 40.5%.
The results show that the more toxic and mobile aromatic fraction was more effectively oxidized using less H2O2 and more economical conditions, including near-neutral pH, compared to the aliphatic fraction.
Biodegradation of the aliphatic fraction (10 000 mg l−1) and an aromatic polar mixture (5000 mg l−1) was evaluated for the DMC B. Biodegradation of total hydrocarbons (10 000 mg l−1) and its fractions was evaluated for DMC B and DMC C.
The aliphatic fraction of DOM is not measured in our experiments because of the absence of conjugated double bonds, and thus, the obtained data represent only the UV-absorbing fraction.
DMSO and the aliphatic fraction had no effect on mitochondrial swelling (not shown).
Biodegradation was predicted to be the dominant loss mechanism for all but the lightest aliphatic fractions, for which volatilisation was most important.
Aromatic components of gasoline are considered more hazardous than the aliphatic fractions due to their higher mobility in the subsurface and their higher acute and chronic toxicities.
The crude DEP extract had the same effect, whereas the aromatic or aliphatic fractions did not affect maximal mitochondrial respiration.
Analysis by GC/MS revealed that both isolates were capable of degrading the aliphatic fractions, which showed that all the detectable hydrocarbons peaks were completely utilized within 12 days by the two yeast isolates.
One of the effects of the pretreatment is the removal of wax from the straw: Fig. 1A shows that the CH2- stretching bands at approximately 2850 and 2920 cm-1 (see [ 26]) are reduced for the pretreated straw sample, signifying a reduction in the amount of the aliphatic fractions of waxes.
