The phrase "as first sample" is not correct in standard written English.
It may be intended to refer to an initial example or instance, but it lacks clarity and proper grammatical structure.
Example: "As the first sample of our research, we collected data from various sources to analyze trends."
Alternatives: "as the initial sample" or "as the primary sample".
In 2014, 27%% of the SRS were collected as first sample within 7 days from admission, 60%% after a negative survey of one sample at least, 13 % after 7 days at least with no survey data.
In 2013, 37 % of the SRS were collected as first sample within 7 days from admission to the hospital, 45 % after a negative survey of one sample at least, 17 % after a minimum stay of 7 days with no surveillance data available at least.
As soon as the first sample was collected, 100 cc of air were extracted from the containers and then, 150 cc of N2O 3.5 ppm standard gas were injected into each container.
John Kongos's hit He's Going To Step On You Again (1971), for instance, was based around a tape loop of African tribal drums - it was recognised by the Guinness Book Of Records as the first sample used on record.
If the first chromatogram shows artifact peaks but the second chromatogram does not, inject a blank solution as the first sample in every analytical set.
However, the 7-day assessment as a first sample time is a common practice to evaluate dynamics of EPN efficacy after application (Yan et al., 2013).
Having computed the WCIs of the 3 years we also compute the WCIs of the new-entry sample of 2012 (Sample 2), which had the same age range as the first sample (Sample 1) had in 2007.
With the additional wave from 2012, new participants with the same age range as the first sample in 2007 were added, allowing us to examine to what extent the changes are driven by the aging of the sample.
The leftward and rightward dots were equally often, but randomly, assigned as the first sample dot.
Alternatively, it may have faded away over time from the mother's virus population, as her first sample was collected 4 years after her HIV diagnosis.
Saccade start was set at the sample immediately preceding the rise above threshold, and saccade end was defined as the first sample after the velocity had reduced below 18°/s.
