The phrase "after the first sample" is correct and usable in written English.
It can be used to refer to a point in time or sequence that occurs following the initial sample in a series of samples or tests.
Example: "The results were significantly different after the first sample was analyzed."
Alternatives: "subsequent to the first sample" or "following the first sample".
Yegorova, 29, was initially suspended from competing here after the first sample of a urine test administered in Paris last month showed traces of the banned endurance-enhancing hormone EPO.
Aside from the other terrible mistakes and oversights, it appears the exterior cladding, a Chinese aluminum/polyethylene sandwich, is so flammable that testing in Australia was suspended after the first sample practically blew up in the lab.
Time, measured as the number of days after the first sample was collected, is a good predictor of the composition of airborne grass pollen taxa using both markers (Fig. 2 and Supplementary Fig. 1; ITS2, likelihood ratio (LR 1,74 = 128.8, P = 0.001; rbcL, LR1,71 = 46.71, P = 0.001).
For example, in a TMR-based system, the system can store the C-State information after the first sample transmission and can avoid transmitting the C-State information for subsequent transmissions.
Samples were collected on the day of admission (acute) and during convalescence (one month after the first sample).
Seven samples from time points between nine weeks and one year after the first sample were obtained.
After that, the first sample is heated to T=550 °C, 1.0 ML Al is deposited, followed by post-growth annealing for 180 s.
About a week after the first samples arrived, BP provided better specimens: the oil was exceptionally light.
Curiosity will surely lure more than a few adventurers to these wines, but after the first sampling, how many will go back for another $35 or $70 bottle?
But soon after the first samples were delivered to his home, the police picked up Mr. Zhou, and they held him in a Beijing detention center for nearly a year as they considered what charges to bring.
After the first sampling, CH treatment increased Ca and Mg by 42.2 and 121.4 %, respectively, compared to the SW + IF treatment.
