The phrase "a one time application" is correct and usable in written English. You can use it when talking about a one-time process that is meant to be completed once and not repeated. For example: "To apply for admission to the university, I had to fill out a one time application and submit it with the necessary documents."
There is a one time application fee of $150.00.
Another option is a one time application of slow-release fertilizer, worked into the soil.
Students pay a one-time application processing fee on a sliding scale of $10 to $500, depending on their income and country of residence, with a similar scale, going up to $100, when they complete their exams.
Therefore, we investigated direct effects of independent and combined applications of repeated, dormant season prescribed burns on a 3-year fire return interval and a one-time application of imazapyr herbicide (Arsenal®) on forest floor carabid assemblages in intensively managed, mid-rotation loblolly pine (Pinus taeda) stands of east-central Mississippi, USA.
A one-time application of 38% SDF on the occlusal surfaces of permanent first molars of six- to eight-year-old children is not an effective method to prevent dentinal (D3) caries lesions.
In this field study, conducted in Filipino elementary schools, a one-time application of 38% SDF on the occlusal surfaces of permanent first molars of six- to eight-year-old children was not an effective method to prevent the onset of new dentinal (D3) caries lesions in children.
But more and more lawn professionals are leaning toward a one-time application of grass fertilizer - in the fall.
Caries-Preventive Effect of a One-Time Application of Composite Resin and Glass Ionomer Sealants After 5 Years.
The bottom of almost every refrigerator has helix-mounted feet for leveling the appliance, a one-time application unless the house starts to tilt (or unless the house is in California).
A four-year study there showed that a one-time application of compost caused an increase in plant productivity that has continued ever since, and that the soil's carbon content grew year after year, at a rate equivalent to the removal from the atmosphere of 1.5 metric tons of carbon dioxide per acre annually.
We need to think differently about how we define ourselves beyond a one-time application of skills and knowledge in a single set career.
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Head Translator and Proofreader @ organictranslations.eu