The phrase "affords barrier" is not correct in standard written English.
It seems to be an attempt to convey that something provides or creates a barrier, but the wording is awkward and unclear.
Example: "The new policy affords a barrier to entry for small businesses, making it difficult for them to compete."
Alternatives: "creates a barrier" or "provides a barrier."
These have afforded barriers for sediment brought down by the great Huang He (Yellow River) and also by the Yangtze.
The lack of attention afforded to barrier identification is surprising given its importance when developing interventions: if important barriers are not identified, they cannot be targeted, limiting intervention effectiveness.
Unlike in reactions of nitrones, hydrazones, and azomethine ylides with enolcarbene intermediates, reactions with N-iminopyridinium ylides afford a barrier to cycloaddition due to dearomatization, and for this reason, it is perhaps not surprising that [3 + 3]-cycloaddition reactions with N-iminopyridinium ylides have only been reported in limited cases with 1,1-cyclopropane diesters.
In conclusion, while RAVs in NS5A and NS5B were observed at baseline, they did not appear to affect treatment response, suggesting that this multitargeted HCV GT1 antiviral regimen affords a high barrier to resistance.
The data reveal a trade-off between NH3 conversion and N2 selectivity due to the mass transport barrier afforded by the added Cu SSZ-13 top-layer: NH3 Cu SSZ-13n decreases while N2 selectivity increases as Cu–SSZ-13 loading is increased.
In our study, some of the strains were resistant to the plant extracts which may be due to the permeability barrier afforded by their outer membranes (Apak and Olila 2006).
The infection barrier afforded by the original superficial cuff and subcutaneous tunnel is maintained.
The loss of the barrier afforded by the basal layer and basement membranes within the normal gland is a likely site for the egress of PSA into the circulation.
Today, far from frustrating travelers, the Great Barrier Reef affords them some of the best scuba diving in the world.
The SC lipids play an essential role in maintaining and structuring the lipid barrier which affords protection against external insults and water loss through the skin and is the reason of skin's selective permeability [ 10].
