The phrase "a necessary material" is correct and usable in written English.
It can be used when referring to a material that is essential or required for a specific purpose or task.
Example: "In order to complete the project successfully, we need to gather all the necessary material beforehand."
Alternatives: "an essential resource" or "a required component".
The RGO supported Au nano dendrites possess small size with improved electrocatalytic activity than pure Au nano dendrites, suggesting that RGO nanosheets are a necessary material for catalyst activity improvement.
And this week Iran claimed that it is now self-sufficient in the production of uranium - a necessary material for any aspiring nuclear nation.
Folate (folic acid, FA), which is a donor number of carbon unit in vivo, is a necessary material to biosynthesize nucleic acids, amino and pantothenic acid, and its structure is shown in Fig. 1.
Iron was a necessary material for the fabrication of hunting knives long, curved sabers that were generally used as a forest tool.
Households received all necessary material (including a digital tympanic thermometer) on the day of recruitment and were called by study personnel immediately after leaving the study sites for instructions on how to use it correctly (provisional implementation of the intervention).
Bring all necessary materials.
Necessary material: a thong two sizes too small Recommended dick size: longer than six inches.
Visit your local home improvement store and explore online resources to get a rough idea of necessary material costs so you know whether bidding contractors are billing you fairly.
You also review rules governing formation, operation and disposition of partnerships/corporations. The class is designed to aid students who are preparing to take the CPA exam by providing the necessary material for a core understanding of the topics.
The isotope of uranium with the atomic number 92 and mass 235, written as uranium-235 or, in chemical symbols, as 235U, is present to the extent of only about 0.7 percent in ordinary uranium, but it is a necessary fissionable material in the operation of a nuclear reactor using natural uranium.
