The phrase "assigned to observe the" is correct and usable in written English.
It can be used in contexts where someone has been given a task or responsibility to watch or monitor something.
Example: "The team was assigned to observe the wildlife in the national park for their research project."
Alternatives: "designated to monitor the" or "tasked with watching the".
Three or 4 observers were randomly assigned to observe the mice during a specific 2-hour time slot within the daily experimental period (6 hours).
In western Poland, where I was assigned to observe the elections, the Russians had several military camps, one of which I came upon as I drove down a rural road.
As expected, current parents who were randomly assigned to observe the parent panel subsequently planned to talk with their adolescents sooner about future opportunities and to respond more positively to experiences of academic difficulty than parents who were randomly assigned to a control group.
You might also register as a representative of a media team assigned to observe the vote count.
"The guard assigned to observe entered my cell after turning the security camera off and coerced me to perform oral sex on him.
Amerigo Ormea, a member of the Italian Communist Party, has been assigned to observe a polling place inside Turin's Cottolengo Hospital for Incurables, a vast Catholic institution for "unfortunates, the afflicted, the mentally deficient, the deformed," and a reliable source of votes for the center-right Christian Democrat Party.
Parameter к is the community force of infection (per serotype), which can be interpreted as the part of acquisition rate which cannot be assigned to observed exposure within the room.
To monitor angiotensin metabolism, the areas of the peaks for different angiotensin forms (Ang II, IV and 1 7) present in the same spectrum, masses 1046.19, 774.92 and 899.02 Da, respectively, were obtained and their summation was arbitrarily assigned as 100%, making it possible to observe the relative changes of each form as a function of time.
This domain arrangement was found to closely resemble the overall structure derived experimentally and the three modelled de novo domains were tentatively assigned to the domains observed in the EM reconstruction.
On the same spectrum, one can observe the vibrations assigned to the Ether, with the νC = C and the νN = C-N respectively at 1600 cm−1 and 1508 cm−1 (also with a "shoulder" at 1545 cm−1) and both νC-O-C symmetric and anti-symmetric stretching mode are found at 1102 cm−1 and at 1262 et 1225 cm−1.
