enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Measurement system analysis - Wikipedia

    en.wikipedia.org/wiki/Measurement_system_analysis

    B89.7.3.2 - 2007 Guidelines for the Evaluation of Dimensional Measurement Uncertainty (Technical Report) B89.7.3.3 - 2002 Guidelines for Assessing the Reliability of Dimensional Measurement Uncertainty Statements

  3. Instrumental variables estimation - Wikipedia

    en.wikipedia.org/wiki/Instrumental_variables...

    The strength of the instruments can be directly assessed because both the endogenous covariates and the instruments are observable. [20] A common rule of thumb for models with one endogenous regressor is: the F-statistic against the null that the excluded instruments are irrelevant in the first-stage regression should be larger than 10.

  4. Laboratory information management system - Wikipedia

    en.wikipedia.org/wiki/Laboratory_information...

    Gauge and control sample quality, corrective and preventive action (CAPA), data entry standards, and workflow Reports Create and schedule reports in a specific format; schedule and distribute reports to designated parties Time tracking Calculate and maintain processing and handling times on chemical reactions, workflows, and more Traceability

  5. Instrumentation - Wikipedia

    en.wikipedia.org/wiki/Instrumentation

    Instrumentation is a collective term for measuring instruments, used for indicating, measuring, and recording physical quantities. It is also a field of study about the art and science about making measurement instruments, involving the related areas of metrology , automation , and control theory .

  6. Mass spectrometry data format - Wikipedia

    en.wikipedia.org/wiki/Mass_spectrometry_data_format

    Mass spectrometry is a scientific technique for measuring the mass-to-charge ratio of ions. It is often coupled to chromatographic techniques such as gas-or liquid chromatography and has found widespread adoption in the fields of analytical chemistry and biochemistry where it can be used to identify and characterize small molecules and proteins ().

  7. Survey methodology - Wikipedia

    en.wikipedia.org/wiki/Survey_methodology

    Survey methodology is "the study of survey methods". [1] As a field of applied statistics concentrating on human-research surveys, survey methodology studies the sampling of individual units from a population and associated techniques of survey data collection, such as questionnaire construction and methods for improving the number and accuracy of responses to surveys.

  8. Test method - Wikipedia

    en.wikipedia.org/wiki/Test_method

    The results of testing can be qualitative (yes/no), quantitative (a measured value), or categorical and can be derived from personal observation or the output of a precision measuring instrument. Usually the test result is the dependent variable , the measured response based on the particular conditions of the test or the level of the ...

  9. IMRAD - Wikipedia

    en.wikipedia.org/wiki/IMRAD

    In scientific writing, IMRAD or IMRaD (/ ˈ ɪ m r æ d /) (Introduction, Methods, Results, and Discussion) [1] is a common organizational structure for the format of a document. IMRaD is the most prominent norm for the structure of a scientific journal article of the original research type. [2]