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Record Nr. |
UNINA9910713634203321 |
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Titolo |
Comparison of two vision-testing devices : a study to compare visual acuity as measured by the sight-screener and the Sloan letter chart |
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Pubbl/distr/stampa |
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Washington, D.C. : , : U.S. Department of Health, Education, and Welfare, Public Health Service, , 1963 |
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Descrizione fisica |
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1 online resource (4 unnumbered pages, 33 pages) : illustrations |
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Collana |
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Vital and health statistics. Series 2, Data evaluation and methods research ; ; number 1 |
Public Health Service publication ; ; no. 1000-series 2-no. 1 |
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Soggetti |
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Optometry - United States |
Vision - Testing |
Optometry |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Nota di bibliografia |
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Includes bibliographical references (page 16). |
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2. |
Record Nr. |
UNINA9910787646003321 |
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Autore |
Chunovkina Anna G |
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Titolo |
Metrology and theory of measurement / / Valery A. Slaev, Anna G. Chunovkina, Leonid A. Mironovsky |
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Pubbl/distr/stampa |
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Berlin ; ; Boston : , : De Gruyter, , [2013] |
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©2013 |
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ISBN |
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1-68015-212-2 |
3-11-028482-0 |
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Descrizione fisica |
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1 online resource (584 p.) |
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Collana |
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De Gruyter Studies in Mathematical Physics ; ; 20 |
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Classificazione |
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Altri autori (Persone) |
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MironovskiĭL. A (Leonid Alekseevich) |
SlaevValery A |
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Disciplina |
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Soggetti |
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Measurement - Standards |
Metrology |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references (pages 512-544) and index. |
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Nota di contenuto |
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Front matter -- Preface -- Contents -- Abbreviations -- Chapter 1. International measurement system -- Chapter 2. Systems of reproducing physical quantities units and transferring their sizes -- Chapter 3. Potential measurement accuracy -- Chapter 4. Algorithms for evaluating the result of two or three measurements -- Chapter 5. Metrological traceability of measurement results (illustrated by an example of magnetic recording instruments) -- Chapter 6. Validation of software used in metrology -- Bibliography -- Index |
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Sommario/riassunto |
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Metrology is the science of measurements. It is traceable to measurement standards, thus to the concept of measurement accuracy, which is used in all natural and technical sciences, as well as in some fields of social sciences and liberal arts. The key problem is one of obtaining knowledge of the physical reality, which is observed through a prism of an assemblage of quantity properties describing the objectively-real world. One of the fundamental tasks of metrology is the development of theoretical and methodological aspects of the procedure of getting an accurate knowledge relating to objects |
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