The phrase "material obstacle" is correct and can be used in written English.
It is typically used to refer to a physical or tangible barrier that stands in the way of achieving a goal or completing a task. Example: The construction of a new highway faced a material obstacle in the form of a large rocky hill that would need to be excavated and leveled before the road could be built.
It's also a material obstacle for those committed to progressive change, undermining unity against our common enemies.
Although the petition is not a material obstacle to the government's plans, the path to partial privatization has been beset by a series of financial and political problems.
At the region of 1 Å, the bridge (0.5,0) site constitutes the more favorable one, then the probability of adsorption shifts to the hollow (0.5,0.5) site at a height of 0 Å (just on the surface, no material obstacle, no U or N atoms).
It seemed to demonstrate the power to overcome bondage, to dissolve material obstacles, to confound expectations.
The most pervasive challenges for CNTs are related to their purification and controlled placement - these imperative material obstacles are discussed with consideration of the substantial progress that has been made to address them.
It is the symbolic event outside of us and within us that transcends all spiritual, mental and material obstacles.
There's widespread agreement that the best solution would be to place Native children in Native homes, but there are material obstacles in the way that the ICWA can't solve.
The addition of a case management system to the usual clinical care aimed to assure linkages; provide ongoing, in-depth patient counseling; remove material obstacles to care; and ensure a higher quality care.
Sgt. Jason Gonzalez, 21, from Canarsie, Brooklyn, said the compound contained poorly built military training material, including obstacle courses and a shooting range.
Discontinuities or imperfections in the material provide obstacles to domain wall movement.
However, analysis of FFPE material presents obstacles because the process of fixation and embedding, as well as storage time, can negatively impact the quality of RNA isolated from these samples.
