sample

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sample

[′sam·pəl]
(science and technology)
Representative fraction of material tested or analyzed in order to determine the nature, composition, and percentage of specified constituents, and possibly their reactivity.
(statistics)
A selection of a certain collection from a larger collection.

sample

A small specimen of material, or a single unit of many such items to be furnished, which is in conformity with the requirements for the specifications; furnished for review and approval; establishes standards by which work will be judged.

sample

(digital signal processing)
The result of measuring the amplitude of an analog signal at a specified time. In digital signal processing a sample is a signed or unsigned number and the number of samples per second is called the sample rate.
References in periodicals archive ?
Of the 29 positive surface wipe samples, 17 were collected from surfaces with visible surface defects, while 12 were collected from surfaces without visible defects.
Arsenic found on wipe samples from the middle of the room was less than half of that found on door wipes, indicating that tracked-in arsenic concentrations become greater the closer one gets to the door adjacent to the CCA-treated deck.
On average, the data collected from the wipe samples showed that exposure risks are generally relatively low.
Once each month, wipe samples were shipped on dry ice to the laboratory (Southwest Research Institute, San Antonio, TX), where they were stored at -12[degrees]C.
Wipe samples were soaked and then digested in a laboratory microwave (MDS-2000; CEM Corporation, Matthews, NC).
Blank wipe samples, spiked wipe samples with only the IS solution, and 6 calibration standards prepared by a working solution with 20 ADs were adopted to build up a calibration curve at the following concentrations: 1.25, 2.5, 5, 10, 20, 40 ng/wipe.
Lead dust wipe samples were collected adjacent to the location of the precleaning dust sample.
Additionally, despite hand washing prior to sample collection, three of seven hand wipe samples tested positive for lead.
Unlike air testing that is used to "clear" completed asbestos abatement projects, wipe samples are commonly used on lead abatement projects.
A DHEC environmental health team will go out and collect paint, soil and/or wipe samples for testing.
"We demonstrated our flexographic printing equipment and actually converted printed and packaged wet wipe samples on our lab line."
The researchers claimed their study, which used dust and surface wipe samples from living rooms and children's bedrooms as well as urine and hair samples from the children, was the first to find evidence of lingering smoke contamination in dust.