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Lower limit of detection, lld
| Глоссарий по стандартизации, контролю и управлению качеством |
Older term that was commonly used to refer to an estimate of detection limit calculated from replicate measurements of a blank sample. typically the estimate is given as the mean of the blank sample plus 2 sd of the variation observed for the blank sample.
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Measurement, английский
- Set of operations having the object of determining a value of a quantity (1)
- Измерение. система мер.
- Измерение; замер
- The size, length, etc. of something which has been measured
- Измерение
- Обмер
- Оценка
- Измерение dust ~ измерение концентрации пыли
- Измерение. комплекс операций, имеющих целью определение значе-ния величины [32].
- The process of ascertaining the attributes, dimensions, extent, quantity, degree or capacity of some object of observation and representing these in the qualitative or quantitative terms of a data language. any empirical pursuit that places the observer outside his object of observation must consider measurement the fundamental process through which scientific constructs or models are linked to reality (->index, ->symptom). otherwise measurement is only one section in a circular process of computing a stable form. the traditional levels of measurement are nominal, ordinal, interval and ratio scales.
- The magnitude of the property of an object calibrated against one or more units of measure.
- Измерение. комплекс операций, имеющих целью определение значения величины [32].
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Medical decision level, decision level, xc, английский
A concentration of analyte where medical interpretation is critical for patient care. there may be several different medical decision levels for a particular analyte. xc should provide guidance for selecting relevant estimates of stable imprecision, stable inaccuracy, and matrix inaccuracy. this is analogous to identifying a critical target value (tv) for assessing test performance and validating qc design.
Lot number, английский
- “an alphanumeric and/or symbolic identification placed on the label by the manufacturer that enables the manufacturing history of the product to be traced.” [clsi]
- Номер партии. комментарий. «lot» и «batch» (серия) - разные понятия, хотя иногда взаимозаменяемые. серия больше партии.
- A unique identifier that is assigned by the manufacturer for a quantity of material produced as a single lot.
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