"problems observed" is a grammatically correct phrase and is often used in written English.
For example: "The research team recorded their problems observed during the experiment in the report."
Again, many dilemmas and problems observed by the teachers are related to non-observable characteristics, such as motivational problems, language problems, a lack of study skills and the cognitive capabilities of students.
It said there were no new safety problems observed in the trial.
The books contain information on the problems observed in poultry during this period of time.
There were no overheating problems observed for the PCM wall during the summer.
It also presents common operational problems observed in these sludge treatment facilities.
Problems observed during the application of these systems are discussed based on experimental examples.
This new methodology is proposed in order to solve the problems observed in the current standard.
A number of problems observed in this context are discussed as well as possible solutions for them.
Hereby, the microvalve solves electrolysis or electrode shielding problems observed in electrostatic actuation in micro total analysis systems.
The poor performance of the MCZ detector may be explained by the problems observed in the reference telescope.
We have to agree with Dr. Skerrett that many questions remain (appropriate dosing, side effects – such as the kidney problems observed by the Sirtris researchers) until sufficiently powered clinical studies have been completed.
