The phrase "as a critical problem" is correct and usable in written English.
It can be used when discussing an issue that is of significant importance or urgency in a particular context.
Example: "The lack of affordable housing in urban areas is recognized as a critical problem that needs immediate attention."
Alternatives: "as a significant issue" or "as an urgent concern".
Cakmak, I. et al. Zinc deficiency as a critical problem in wheat production in Central Anatolia.
Yet this is presented not only as a critical problem but as a policy failure.
Optimum formulation of the green sand mixture has remained as a critical problem for the foundryman, for several years.
Corrosion has been identified as a critical problem because the high temperature and the oxidative nature of supercritical water may accelerate the corrosion kinetics.
With the evolution of sub-20 nm FinFET technology, line edge roughness (LER) has been identified as a critical problem and may result in critical device parameter variation and performance limitation in the future VLSI circuit application.
It is sensed as a critical problem in the case of private sensitive data records, such as administrative documents (e.g., bills or pay sheets, ID cards) [1].
Everyone, even the most unskilled worker, will be viewed as a critical problem-solver and knowledge-worker contributing to performance improvement.
Detection of blade damage at an early stage is a critical problem, as blade failure can lead to a catastrophic outcome for the entire wind turbine system.
There is a general consensus that contamination as a result of dilution, a critical problem found in the operation of underground mines, might be reduced by an adequate design of draw point grids and the appropriate handling of them.
Within this framework, the appearance of pathologies in its conduction just a few months after the plant start-up is considered to be a critical problem, as it can endanger the electrical production of the facility.
In a random network, it is a critical problem as to how the end-to-end throughput and the end-to-end delay scale with the number of nodes, n.
