The phrase "are capable of retaining" is correct and usable in written English.
It can be used when discussing the ability of a person, object, or system to hold onto or keep something, such as information or materials.
Example: "These materials are capable of retaining heat, making them ideal for insulation."
Alternatives: "have the ability to hold" or "can maintain".
Due to their viscosity, clay soils are capable of retaining considerable amounts of water.
Hydrogels are 3D network of polymers that are capable of retaining solvents.
Recent computer models suggest that carefully selected storage sites are capable of retaining 99% of their carbon dioxide for more 1000 years.
Generally, it has been shown that time-frequency analyses and representations can provide very flexible algorithms that are capable of retaining the high fidelity of multimedia signals while achieving secure data protection.
The systems are capable of retaining the characteristics of two extreme categories of water tanks namely, (a) tanks on staging with less number of columns and panels and (b) tanks on staging with large number of columns and panels.
It is well accepted that TRISO (tristructural isotropic) coated nuclear fuel particles are capable of retaining fission products up to 1600 °C, however above this temperature fission products can diffuse through the pyrolytic carbon (PyC) and silicon carbide coatings that act as the containment barriers in this fuel.
He was capable of retaining what he wanted from his roots without being encumbered by them".
Nevada is already suing over an environmental agency rule that to win a license, the repository must be capable of retaining the wastes for 10,000 years.
The screen can be backlit, like a standard LCD, but it is capable of retaining its image because the material the liquid crystals sit on encourages the pixels to stay transparent or opaque once they have been switched.
When flour is mixed with water to make dough, its protein content is converted to gluten, an elastic substance that forms a continuous network throughout the dough and is capable of retaining gas, thus causing the baked product to expand, or rise.
