The phrase "useful directives" is grammatically correct and can be used in written English.
It refers to instructions or guidelines that are helpful or beneficial. Example: "The company's employee handbook contains many useful directives for new hires, including how to request time off and company policies on social media usage."
Kevin Shelley, the California secretary of state and a pioneer in the field, has also issued useful directives, many of which are on his official Web site.
Overall, we hope that this work provides important insights and useful directives in designing novel peptide systems with antimicrobial activity, by expanding the design space, incorporating D-amino acid as an additional design variable.
For example, there are urgent questions to be addressed by policy makers regarding the lack of access to quality palliative care and the low rates of completion of valid and useful advance directives.
The Panel therefore recommends the following: More research should be funded and conducted into how best to facilitate the completion of valid and useful advance directives and to engage in advance care planning.
In particular, OGCF is useful when directive sources are dealt with and microphones are distributed in pairs surrounding the area of interest.
The consultants suggested that living wills could be more useful if the directives were disease specific.
The use of aromatic directives is particularly useful in a situation where one wishes to compare two versions of a drawn structure.
This directive is useful when it is not desired to make any aromaticity assumptions at all or to specifically test for one Kekulé version and not do any aromaticity tests.
It is useful, then, that these two directives exist.
Since our bower components (stored into components/, relative to our stylesheets) might not respect our coding conventions, we prevent them from being linted with this directive: That's useful to focus on the warnings found in our own code, not in third party dependencies.
Directives /noStereo/ and /invertStereo/ are very useful because they allow re-use of SMILES strings for different types of stereochemical matches without having to remove or switch the stereochemical designations in the strings themselves, which can be quite complicated.
