The phrase "a number of stringent" is correct and usable in written English.
It can be used when referring to multiple strict or severe conditions, rules, or requirements.
Example: "The project was delayed due to a number of stringent regulations imposed by the government."
Alternatives: "several strict" or "multiple severe".
A new report from Telecoms.com says that a spokesperson for operator Swisscom had confirmed earlier claims that Apple only flips on 4G LTE access on the iPhone 5 once the network has passed a number of stringent live tests.
The theory of coherence, as originally developed by Helfferich, was restricted to a number of stringent premises for the sake of simplicity and clarity, but the more general utility of the concept is apparent.
Second, we are aware of the fact that the model contains a number of stringent simplifications: There are cultural differences between the WPs (e.g., in the usage of the talk page), and as in all human-related features there are large inhomogeneities in the opinions, in the tolerance level and in the activity of editors.
These "unrealistic barriers" included a number of stringent demands imposed by local councils.
Chefs apprentice under a master for at least three years, then pass a number of stringent tests.
These "local multiplayer" games have been tried and tested in a number of stringent ways by me, such as when I was drunk at a Wild Rumpus event; when I was on antibiotics at Gamecity; and when I beat chair of the International Game Festival Brandon Boyer at Super Pole Riders fair and square.
C1 Congress Passes Saftey Bill A transportation bill passed by Congress orders the National Highway Traffic Safety Administration to impose a number of more stringent vehicle safety measures.
Contenders must pass a number of other stringent tests.
Given the absence of standardized criteria for determining the screening phenotype, we further analyzed the data using a number of more stringent definitions.
The strategy of metabolic engineering is to engineer a small number of stringent upstream enzymes (CrtB, CrtI, CrtY, CrtM, or CrtN), then use a lot of promiscuous downstream enzymes to obtain large number of novel carotenoids.
But even after the outcomes were adjusted by a number of confounders using stringent bivariate and multivariate analyses, the post-disaster vulnerability to PTSD and general psychiatric morbidity is still age-dependent.
