The phrase "a specified time before" is correct and usable in written English.
It can be used when referring to a particular point in time that is set in advance of another event or deadline.
Example: "Please submit your application by a specified time before the deadline to ensure consideration."
Alternatives: "a designated time prior" or "a defined time ahead".
The application of a vacuum pulse for a specified time before long term osmotic dehydration has been proposed to obtain candied fruits at mild temperatures, thus maintaining the characteristic attributes of fresh fruits.
Reviewing the existing professional guidelines and medical literature, Geisinger's cardiac surgeons came up with their list of 40 action items viewed as best practices — including giving a patient antibiotics within a specified time before surgery, and then giving beta blocker drugs afterward to reduce the chances of an irregular heartbeat.
When the node source receives the first RREP message for a destination, it waits a specified time, called RREP_Wait_time, before selecting the best path; this time is an additional delay for multipath routing protocols.
The service reliability, defined as the probability of fulfilling a task before a specified time, is an important metric of the quality of a DC system.
The model also attempts to generate a schedule for refrigerated cars traveling from distribution centers to rail stations for train loading whereby meals can be catered to trains within tight time windows and sold before a specified time deadline.
An advance notice bylaw typically requires that nominations for directors made by a shareholder be submitted to a corporation within a specified time period (say, 60-90 days before the first anniversary of the previous year's annual meeting).
It involves the following steps: 1. Select a fluid that meets the viscosity requirement for full proppant suspension after a specified time of exposure to the reservoir before closure of the fracture.
If you're hosting a buffet style dinner, it's best to open the line at a specified time, so dancing would typically be after the dinner service (or before and after if your guests love to dance).
He has several irritating experiences with laundries that fail to collect & deliver at a specified time.
