"becomes stringent" is correct and usable in written English.
You can use it to describe a situation that has become more difficult or restrictive. For example: "The government has enacted new regulations, and the environmental standards have become stringent."
This speed requirement becomes stringent for secure communication applications such as the cryptographic quantum key distribution protocols.
Third, Fig. 6 shows the differences in accounting policy tend to decrease as carbon emission target becomes stringent.
The study suggests that multiple queries improve sensitivity, while a pattern-constrained iterative sequence search becomes stringent at the initial stages, thereby driving the search in a specific direction and also achieves high coverage.
However, strict environmental regulations have only become stringent in the last two decades and thus mines pre-1990 had few, if any, closure strategy requirements.
Admission and graduation requirements became stringent.
By acting as genetic switchers or fine tuners, in our opinion miRNAs might become stringent modulators of the huge variety of cellular responses carried out by different inflammatory stimuli under both physiological and pathological conditions.
Also if the purity requirement becomes less stringent the competitiveness increases as could be seen from the glucose xylose separation.
As precision requirement becomes more stringent, it is not sufficient to consider only size tolerance of circular and cylindrical parts.
With the rapid development of the micro-scale and nano-scale electronic systems, the requirement of the operating temperature becomes more stringent to ensure good reliability and safety.
As networks grow, and the demand for data readiness becomes more stringent, the adoption of application-specific networks presents a major hindrance.
Such a requirement becomes particularly stringent in tactical scenarios needing high capacity communication links.
