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 ?
Fasting blood samples are limited in their ability to detect disease by their failure to detect postprandial lipoproteins.
Fasting blood samples were obtained for laboratory analysis, and glucose and insulin were measured before and 30, 60, 90, and 120 min after a 75-g glucose load.
Biochemical measurements of osteocalcin, glucose, total cholesterol, HDL-cholesterol and triglycerides were performed at baseline and after two year follow-up on fasting blood samples.
Fasting blood samples were obtained at the start and at weeks 2 and 4, with 24-hour urine collections at the end of each phase.
To investigate the stability of Hcy and its precursors S-adenosyl-Hcy (SAH) and S-adenosyl-methionine (SAM), we collected fasting blood samples from healthy individuals (n = 8, age 25-46 years) and renal patients (n = 9, GFR 11-48 mL/min, 78-90 years).
All of the women had fasting blood samples drawn at 16-18 weeks gestation and all had GLT performed as part of routine care.
Fasting blood samples of the ill patients were taken to determine parameters such as total cholesterol and triglyceride one day after hospitalisation.
Stored fasting blood samples were analyzed for plasma pyridoxal 5' phosphate (PLP), which is the predominant form of vitamin B6 that exists in circulation, and homocysteine, an amino acid which, when elevated, has been associated with an increased risk of cardiovascular disease.
Most of the women had participated in the clinical trial portion of the study and provided fasting blood samples at the start of the study (i.
Twelve-hour fasting blood samples were collected from healthy volunteers and patients with insulin resistance.
MATERIALS AND METHODS: Fasting blood samples were obtained and stored from a cross-section of 112 cardiac transplant recipients attending the Mayo cardiac transplant clinic in 2000 to 2001, mean of 4.