The phrase "activity employed" is correct and usable in written English.
It can be used to refer to a specific action or task that has been utilized or put into practice in a particular context.
Example: "The activity employed during the training session was designed to enhance team collaboration and communication skills."
Alternatives: "action taken" or "method used".
The laccase activity employed was 0.5 U/ml.
The low quantities of activity employed for α-therapy using these radionuclides, remain, however, challenging for nuclear imaging using SPECT.
A final factor is the immuno-evasion strategies (such as deregulation of macrophage activity) employed by the Mycobacteria to inhibit the ability of the immune system to protect against disease progression [18], [19].
Caspofungin was second-most common antifungal with Aspergillus activity employed, used initially in 18% of patients.
The small sample size and qualitative approach for measuring and quantifying alpha activity employed in that study may also have contributed to these paradoxical findings.
The assay for PFTase activity employed here using FPP and analogues 2 and 3 as substrates is based on the previously published assay by Pompliano et al. and later refined by the Poulter group.
During World War II, the Navy Yard throbbed with activity, employing more than 60,000 workers, but by the mid-1960's the work force had slid below 10,000.
John Robinson Paranormal Activity (Oren Peli, 2009) 10pm, Syfy Like Blair Witch, Paranormal Activity employs that flickery digital camera technique to portray an evil presence in the home.
In Denton hatting grew from a cottage industry in the 17th century into a major economic activity employing nearly half the town's population by the 1920s.
Directly and indirectly this activity employs about 10 percent of the workforce and contributes approximately 9 percent of GDP, earning French businesses a substantial income from foreign visitors and more than compensating for the amount spent by French tourists abroad.
Bibliometric studies rely on the measurement of scientific activity employing statistical procedures (Broadus, 1987) to quantify, classify and organize the extant research in a field (White & McCain, 1998).
