composite sample การใช้

Composite sampling can be performed by combining soil from several locations prior to analysis.
In a composite sample of 3551 African men, Haplogroup A had a frequency of 5.4 %.
Room rates, meanwhile, climbed 3.4 percent in a composite sample of Boston and Cambridge hotels, to an average of $ 120.31 a night, Pinnacle reported.
Room rates, meanwhile, climbed 3 . 4 percent in a composite sample of Boston and Cambridge hotels, to an average of $ 120 . 31 a night, Pinnacle reported.
The result is a lightweight, single-piece ( generally ), corrosion resistant structure from which an operator can measure piped flows, take composite samples, and perform water quality parameter monitoring.