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Discover LudwigThe phrase "valid materials" is correct and usable in written English.
You can use it when referring to materials that are acceptable, legitimate, or meet certain standards for a specific purpose.
Example: "In order to ensure the quality of the project, we must use only valid materials for construction."
Alternatives: "acceptable materials" or "legitimate materials".
Exact(1)
In Uganda such materials can only be ethically exported using a permit from the UNCST and based on a valid Materials Transfer agreement between the local and collaborating institutions.
Similar(59)
In an interview, he said the Ninth Circuit's reasoning would "negate an otherwise valid material witness warrant because you think the witness is also a criminal suspect".
McCall refers to a result by R. Meyer showing that the valid implications of CFL form a subset of the set of valid material equivalences and briefly discusses giving up the syntactic restriction to first-degree implication.
Therefore, the autologous in vitro cultured vaginal tissue might represent a highly promising and valid material for McIndoe vaginoplasty.
The same applies to fracture toughness, a concept that is in general not valid for materials that possess inhomogeneity and anisotropy.
It is shown that the equations are valid for materials on free surface and in position where the residual stress reaches maximum value.
According to the valid legislation, materials which do not meet the condition of direct unconditional release into the environment, should be modified and processed into the matrix designed for the final disposal in the storing place.
We note that the decoupled method is only valid for materials with weak piezoelectricity, and the effective piezoelectric coefficient derived from PFM shows nonlinear dependence on the complete set of specimen electromechanical moduli, as well as on the experimental conditions.
It's as valid a material as any other, and in the right hands can be just as captivating.
The paper presents the structural and environmentally sustainable aspects of bamboo as a valid construction material.
On two occasions, species based on valid Albertosaurus material were reassigned to a different genus: in 1922 William Diller Matthew renamed A. sarcophagus into Deinodon sarcophagus and in 1939 German paleontologist Oskar Kuhn renamed A. arctunguis into Deinodon arctunguis.
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com