The phrase "completed upon" is correct and usable in written English.
You can use it to describe something that has been finished or brought to a close. For example: "The paperwork was completed upon receipt of payment."
The first preliminary questionnaire was given initially before the training sessions and the second questionnaire was completed upon the completion of all the training sessions.
Questionnaires are completed upon enrollment in the study prior to randomisation, immediately after treatment completion, 3 and 6 months after treatment completion.
In the large figurative compositions Scorel completed upon his return to Holland, he introduced such Italian elements as nudes, classical draperies and architecture, and spacious imaginary landscapes.
The closing of the sale of the 95 million shares is expected to be completed upon the conclusion of a shareholder notice period required by the NYSE, which is expected to occur on or about April 8 , 2008
An intentional act is completed upon modification of the system by itself through learning.
The formation of Ag nanoparticles was completed upon 15 min, as was documented by the Vis spectra.
Activities / Procedures: 1. WARM-UP/DO-NOW: Before class, distribute the quiz below for students to complete upon entering the classroom.
Then we determine when a backup can start and its eligible processors so as to guarantee that every DAG can complete upon any processor failure.
The survey was completed once upon enrollment in an outpatient setting and again a week later.
Of the 124 patients enrolled on the programme, 82 completed questionnaires upon cessation of their use of Florence.
When her analysis was completed she prevailed upon him to give up Polly & come back home.
