The phrase "a certain supply" is correct and usable in written English.
It can be used when referring to a specific quantity or type of supply that is not precisely defined but is understood in context.
Example: "The project requires a certain supply of materials to ensure its success."
Alternatives: "a specific amount" or "a particular supply".
The Hortons also visit in the winter, but they recognize a certain supply-and-demand business aspect to vacation-home ownership.
When the acetylene supply was gradually increased, a discharge voltage drop and total pressure saturation simultaneously occurred at a certain acetylene supply.
For example, Kannan et al. (2013) used an integrated multi-criteria decision-making and multi-objective programming method for supplier selection and allocation in a certain green supply chain.
If incinerator parameters such as operation temperature, turbulence level and residence time are fixed for a certain fuel supply rate, it is possible to increase the residue consumption rate using enriched air.
But whether as an accompaniment to champagne or beer, the certain supply suddenly dwindled as the coastal, brackish water where the oysters lay became polluted with waste water and chemicals and oil residue and poisons that destroyed the seed grounds and beds, the supply and demand for a marine food that had suddenly lost its viability and market.
Certain supply chain functions remain essential public responsibilities, such as regulating pharmaceuticals and setting essential medicines policy.
Wiki tells us that Elvis was meticulous about having certain supplies; he was also kind of a strange guy.
Service providers reported that though not a big problem, sometimes they are faced with stock out of certain supplies such as screening reagents, and inadequate equipment like screening beds and lights.
Someone used a red pen on the chapel's walls to mark places where certain supplies were to be stored.
"There are certain supplies that every R.A. has access to," Mr. Thorn said.
