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Le SI et la métrologie en France
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ISBN: 2759823695 9782759823697 9782759823703 Year: 2019 Publisher: [France]

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Un Système international d’unités et des étalons de référence de mesure : à quelles fins ? Il est apparu impératif, au cours du temps, de disposer d’une base commune, universellement reconnue et facile à utiliser pour répondre aux besoins liés à la multitude des mesures qui régissent notre "idien : besoins technologiques, impératifs économiques ou enjeux sanitaires, environnementaux, énergétiques… … Le Système international d’unités (SI) répond à cette demande. Des unités qui doivent être accessibles à tous, les plus stables dans le temps, associées à des mises en pratique réalisées avec une exactitude élevée. De tous temps, le SI a suivi les évolutions scientifiques et technologiques, et les besoins de la société. Lors de la 26e Conférence générale des poids et mesures de novembre 2018, une révision du SI a été adoptée. L’ensemble des unités de base est désormais fondé à partir d’invariables que sont les constantes de la nature : il revêt ainsi un caractère universel et pérenne. Cet ouvrage a pour objectif de présenter les bases de la métrologie contemporaine, en prenant en compte les toutes dernières évolutions. Informations sur les fondements et la structure du SI, définitions des unités, recommandations internationales et nouvelles mises en pratique réalisées par les instituts nationaux de métrologie français, voici ce que vous pourrez découvrir. Cet ouvrage est destiné aux utilisateurs d’appareils de mesure, scientifiques, ingénieurs, étudiants ou enseignants.

Keywords

Measurement.


Book
Elemente der Stereometrie.
Author:
ISBN: 3111613917 Year: 2019 Publisher: Berlin ; Boston : De Gruyter, G. J. Göschen'sche Verlagshandlung,

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Measurement


Book
Vermessungskunde.
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ISBN: 3111366073 Year: 2019 Publisher: Berlin ; Boston : De Gruyter,

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Measurement.


Book
N42.33-2019 - American National standard portable exposure rate meters for homeland security
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ISBN: 1504460979 Year: 2019 Publisher: New York, New York : IEEE,

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This standard describes design criteria, performance requirements, and performance tests for portable exposure rate meters. The PDF of this standard is available in the IEEE GET program. "IEEE Get Program" grants public access to view and download individual PDFs of select standards at no charge.

Keywords

Radiation --- Measurement.


Book
The future of low dose radiation research in the United States : proceedings of a symposium
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ISBN: 0309497744 0309497728 Year: 2019 Publisher: Washington, DC : National Academies Press,

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Radiation --- Measurement


Book
OCM 2019 - Optical Characterization of Materials : Conference Proceedings
Authors: --- ---
Year: 2019 Publisher: Germany : KIT Scientific Publishing,

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The state of the art in optical characterization of materials is advancing rapidly. New insights into the theoretical foundations of this research field have been gained and exciting practical developments have taken place, both driven by novel applications that are constantly emerging. This book presents latest research results in the domain of Characterization of Materials by spectral characteristics of UV (240 nm) to IR (14 µm), multispectral image analysis, X-Ray, polarimetry and microscopy.


Book
Surveyor's Guide to Electromagnetic Distance Measurement
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ISBN: 1487583567 Year: 2019 Publisher: Toronto : University of Toronto Press,

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Since the Second World War the use of electronics has become essential in many forms of surveying. Equipment grows more and more sophisticated, and although there are users' manuals and scientific texts available which cover the basic theory, this is the first book which explains the workings of such equipment already and easily to the average user. Suddenly the "magic boxes" are made comprehensible. Calling upon a decade of experience, the authors have also described the practical use of equipment in the field, and have included in their chapters many hints and "tricks of the trade: which made be invaluable to the new surveyor.

Keywords

Distances --- Measurement.


Book
Electromagnetic Distance Measurement
Authors: ---
ISBN: 1487596642 1442631821 Year: 2019 Publisher: Toronto : University of Toronto Press,

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Electromagnetic distance measurement, by using light and microwaves for direct linear measurements and thus circumventing the need for traditional methods of triangulation, may well introduce a new era in surveying. This book brings together the work of forty-eight geodesists from twenty-five countries. They discuss various new EDM instruments-among them the Tellurometer, Geodimeter, and air- and satellite-borne systems-and investigate the complex sources of error. The book is therefore a unique and comprehensive source on the subject. UNESCO and R.I.C.S. have assisted financially in its production.

Keywords

Distances --- Measurement.


Film
Case of Visa : how marketers can choose the right performance metrics
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Year: 2019 Publisher: London : Henry Stewart Talks Ltd.,

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This case study examines the different parameters Visa uses to chart the health and success of its business: reach, usage lift and brand health.

Keywords

Performance --- Measurement.


Book
Review of sunset organic and elemental carbon (OC and EC) measurements during EPA's Sunset Carbon Evaluation Project.
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Year: 2019 Publisher: Research Triangle Park, NC : U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, Air Quality Assessment Division,

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