The phrase "more stringent requirements for" is correct and is usable in written English.
You can use it when you are describing a situation where there are increased restrictions or demands. For example, "The new regulations imposed more stringent requirements for workplace safety."
Cell culture is complicated to perform and requires experience to produce accurate results, and it also has more stringent requirements for the sampling swabs and transporting before inoculation [ 21, 22].
This will require modifications to the scoring system which are likely to include; more stringent requirements for the numbers of biological replicates used in custom arrays based experiments, due to the larger noise variation, the use of different visualisation techniques to assess quality and an additional criterion to address the suitability of the reference sample.
And it calls for more stringent requirements for unoccupied buildings.
"There are more stringent requirements for buildings built presently than in the past," he said.
The Immigration and Naturalization Service is not alone in creating more stringent requirements for visas.
Of these, 16 first-line and 8 maintenance studies met more stringent requirements for meta-analyses.
Officials are also said to have emphasised they would enforce a much more stringent requirement for fans in other sections of regular seating to remain seated.
Therefore, multiplying the two items means more stringent requirement for the evaluations.
It is therefore proposed to set a more stringent requirement for relative retention time of 1 % instead of 2.5%%.
A more stringent requirement for the BCR/ABL1 translocation was introduced in the WHO classification during the study period (Jaffe et al, 2001).
Our results also indicated that APC/C appeared to have a more stringent requirement for the canonical D-box to recognise its substrates in metaphase than in anaphase.
