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Near patient testing
| Глоссарий по стандартизации, контролю и управлению качеством |
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Npt, английский
- National pipe thread: a u.s. standard for tapered threads. npt sizes measure the nominal inside diameter of the pipe. npt threads form a seal as the threads compress against each other.
- Network planning technique
- Normal pressure and temperature
- Non productive time
- Treaty on the non-proliferation of nuclear weapons
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Number of control measurements, n, английский
Used here to indicate the total number of control measurements available for use in assessing the quality of an analytical run. we consider n to be the total number of control measurements available for inspection when using common levey-jennings type qc charts or multirule type qc procedures where it is possible to combine the measurements from different materials to accumulate a higher n (and higher error detection) for evaluating control status. these measurements may be replicates on one level or material, individual measurements on two or more materials, or replicate measurements on two or more materials. for example, if you assay a single material and make two measurements on that material, n is 2. if you assay two materials (as required by us clia regulations) and make single measurements on each, n is 2. if you assay two materials and make duplicate measurements on each, n is 4. if you assay three materials and make single measurements on each, n is 3. if you assay three materials and make duplicate measurements on each, n is 6. with the use of mean/range or cusum type of qc procedures where it is more difficult to combine the measurements from different control materials, n is more likely to be the number of replicates on an individual material.
Non-waived tests, английский
Used in the final clia rule as a category of tests that encompasses both moderate complexity and high complexity tests. qc regulations in the final clia rule are the same for all non-waived tests, whereas earlier drafts provided different qc requirements for the classes of moderate and highly complex tests.
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