The phrase "an apparent difficulty" is grammatically correct and can be used in written English.
It is typically used to describe a challenge or obstacle that seems to exist, but may not actually be as difficult as it appears. Example: Despite the apparent difficulty of the task, she managed to finish it within an hour.
Valence bond theory runs into an apparent difficulty with CH4.
However, the finite element method has an apparent difficulty in modelling unbounded soils, therefore, artificial boundaries are often used to solve this problem, but it becomes much more complicated when the unbounded soils are water-saturated, poroelastic media.
There have been no published accounts demonstrating that the largest living flying birds are at any kind of general mechanical limit for flight, and an "apparent difficulty in taking off" is both qualitative and anecdotal.
An apparent difficulty of the Dirac equation thus turned into an unexpected triumph and one of the main reasons for Dirac's being awarded the 1933 Nobel Prize for Physics.
An apparent difficulty of this procedure is that the damage at a point is only indirectly coupled to the accelerations measured in other points.
An apparent difficulty with this analysis is that we have used water estimates and then applied Couette responses of VES solutions.
Amis recently told The Wall Street Journal that while Hitchens no longer needs help with words (despite a history of apparent difficulty with the proper use of "infamous"), "he's touchingly all thumbs with the colon and the semicolon".
Many people have commented on the mixture of simplicity and grandeur in the King James version, so that we can go without apparent difficulty from "a drop of a bucket" or "the apple of his eye" or "give up the ghost" to the larger tremolo of "I water my couch with my tears" and of Job's "Hast thou given the horse strength?
A spokesperson for the board said the apparent difficulty or ease of a paper is taken into account.
However, this apparent difficulty is chiefly an artefact created by conceptualizing agricultural methods as standardized packages.
The main impediment to adopting this method in practical applications is the apparent difficulty in assigning an appropriate resistance factor to structural systems.
