The phrase "a valuable value" is correct and usable in written English, although it may be considered redundant.
You can use it when emphasizing the importance or worth of a particular value or principle in a specific context.
Example: "Integrity is a valuable value that we uphold in our organization, guiding our decisions and actions."
Alternatives: "an important principle" or "a significant worth".
For the CIOMS guidelines, the knowledge research provides, can be extrinsically valuable (it has value for the sake of something else that is good), but also intrinsically valuable (value a thing has in itself).
Conclusion: We concluded that DCE MRI has a valuable diagnostic value in the differentiation of recurrent malignant salivary gland tumors from post-treatment changes, especially, for cases that remain unsolved by conventional MR imaging techniques.
The tried, tested and hugely successful STI clinic system provides a valuable and valued service.
When your boss acknowledges you – both privately and in front of others – she's signaling that you're a valuable and valued part of the team.
Well, there is a certain madness of the crowds aspect to it – as Stan Stalnaker notes at CNN there was a similar run up in QQ, a virtual currency created by Tencent – but it also enables a certain amount of freedom and is poised to be a valuable instant value-transfer platform in commodities and small transactions.
The system will include a DRM system that will make sure you can't cut and paste data from a browser to a blog post, thereby ensuring that no one can steal the AP's valuable, value-added content.
None of the "valuable" values I've previously mentioned can or should be scrapped.
With art, say dealers, the collector does not just ensure a valuable possession retains value.
The most direct way to approach this question is by considering whether it is really true that a valuable cause cannot confer value on its effect where cause and effect are kept separate in the way that Zagzebski claims is problematic in the case of knowledge.
Self-regulation in itself is a valuable tool with lifetime value that aids with problem solving, taking initiative and planning, adapting to situations and thinking critically.
