Download or read book Fundamental Measures and Constants for Science and Technology written by Frederick Dominic Rossini and published by . This book was released on 1976 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fundamental Measures and Constants for Science and Technology written by Frederick Dominic Rossini and published by . This book was released on 1976 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fundamental Measures Constants For Science Technology written by F.D. Rossini and published by . This book was released on with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Precision Measurement and Fundamental Constants Proceedings written by United States. National Bureau of Standards and published by . This book was released on 1971 with total page 546 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Metrology and Fundamental Constants written by International School of Physics "Enrico Fermi" and published by IOS Press. This book was released on 2007-10-26 with total page 683 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume can be justified by the following three facts, the need to provide, from time to time, a co-ordinated set of lectures which present the relevant progress in Metrology, the increasing intertwining between Fundamental Physics and the practice of Metrological Measurements, and, third, the flurry of new and unexpected discoveries in this field, with a correlated series of Nobel Prizes bestowed to individuals working in Fundamental Constants research and novel experimental methods. One of the most fascinating and exciting characteristics of metrology is its intimate relationship between fundamental physics and the leading edge of technology which is needed to perform advanced and challenging experiments and measurements, as well as the determination of the values and interrelations between the Fundamental Constants. In some cases, such as the caesium fountains clocks or the optical frequency standards, the definition of the value of a quantity is, in the laboratory, in the region of 10-16 and experiments are under way to reach 10-18. Many of these results and the avenues leading to further advances are discussed in this volume, along a major step in metrology, expected in the near future, which could change the “old” definition of the kilogram, still based on a mechanical artefact, toward a new definition resting on a fixed value of a fundamental constant.
Download or read book Einheiten und Fundamentalkonstanten in Physik und Chemie written by H. Bachmair and published by Springer Science & Business Media. This book was released on 1992-12-16 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: Subvolume b.
Download or read book Dimensions written by and published by . This book was released on 1981 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Handbook of Metrology written by Michael Gläser and published by John Wiley & Sons. This book was released on 2010-06-08 with total page 747 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metrology is the study of measurement. It includes all theoretical and practical aspects of measurement and may be divided into three subfields: Scientific or fundamental metrology concerns the establishment of measurement units, unit systems, development of new measurement methods, realization of measurement standards and the transfer of traceability from these standards to users in society. This handbook contains articles dealing with general topics of measurement and articles on particular subjects in mechanics and acoustics, electricity, optics, temperature, time and frequency, chemistry, medicine and particles. The contributions of the first part are sumamrized as follows. Introduction Units Fundamental Constants Fundamentals of Materials Measurement and Testing Measurement of Mass Desnity Measurement and Instrumentation of Flow Ultrasonics Measurement of Basic Electromagnetic Quantities Quantum Electrical Standards Metrology of Time and Frequency Temperature Measurement Metrology in Medicine
Download or read book Journal of Research of the National Bureau of Standards written by United States. National Bureau of Standards and published by . This book was released on 1988 with total page 576 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fundamental Constants written by Boris M. Menin and published by Cambridge Scholars Publishing. This book was released on 2019-02-27 with total page 123 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book is devoted to one of the important areas of theoretical and experimental physics—the calculation of the accuracy of measurements of fundamental physical constants. To achieve this goal, numerous methods and criteria have been proposed. However, all of them are focused on identifying a posteriori uncertainty caused by the idealization of the model and its subsequent computerization in comparison with the physical system. This book focuses on formulating an a priori interaction between the level of a detailed description of a material object (the number of registered quantities) and the lowest uncertainty in measuring a physical constant. It contains the materials necessary for the optimal design of models describing a physical phenomenon. It will appeal to scientists and engineers, as well as university students.
Download or read book The Fundamental Physical Constants and the Frontier of Measurement written by Brian William Petley and published by CRC Press. This book was released on 1988 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fundamental physical constants are used throughout the world by scientists and technologists in the course of every kind of theoretical and experimental research work. The book examines the present state of the measurement arts, and gives indications of likely future developments. This comprehensive and stimulating volume will certainly become a standard reference work in the field of measurement science for physicists, metrologists and workers in other physical science disciplines where a high accuracy of measurement is required.
Download or read book Recent Advances in Metrology and Fundamental Constants written by T.J. Quinn and published by IOS Press. This book was released on 2001-12-18 with total page 836 pages. Available in PDF, EPUB and Kindle. Book excerpt: The exchange between physics and metrology is always fascinating and exciting. Many are the open problems in physics that call for extremely precise standards, many are the advances in metrology made possible by a deep and assiduous study of the underlying physics. One has just to think of the enormous sophistication required in the measurements of some absolute quantities such as the Avogadro, the gas, or the gravitational constants. It is also worth noticing that not only the units of a metrological system are interrelated through the fundamental constants, but also the latter find their full significance when they are determined through the most exacting metrological experiments. Over the past decade many improvements took place and these are discussed in this book; from one side the old caesium SI second definition has found a new realisation, with the “fountain” approach, replacing the classical thermal atomic beam. The use of “cold” atom techniques, in which bunches of inert atoms are collected, slowed down, and cooled, has opened a number of new and unexpected avenues for metrology and fundamental constants; one of these possibilities being the atom interferometry. Another important “quantum jump” was the demonstration of the possibility of performing a direct frequency division in the visible, using ultra short femtosecond pulses. In addition, the possibility of “counting” electrons or photons gave a fundamental support to the development of single-electron capacitance standards and to new scenarios in the absolute calibration of photo-detectors.
Download or read book Units in Physics and Chemistry Einheiten in Physik und Chemie written by H. Landolt and published by Springer. This book was released on 1991-12-16 with total page 391 pages. Available in PDF, EPUB and Kindle. Book excerpt: The idea to publish a Landolt-Börnstein volume solely devoted to the Fundamental Constants and the Physical and Chemical Units arose during the preparation of a symposium on "Metrology in Physics" held at the Physikalisch-Technische Bundesanstalt in Braunschweig, Germany. It was felt that such a volume could be very useful from many viewpoints. Precision measurement is of crucial importance for the progress of modern science and technology, and "Metrology", the art of performing precise measurements has become a widely acknowledged area of truly interdisciplinary character. The significance of the fundamental constants for the understanding of physics is by now well accepted, their use for the realization of the physical and chemical units being undoubted. The amount of available information turned out to be so substantial that the volume had to be split into two subvolumes. The present subvolume a covers the physical and chemical units, their description as well as the measuring principles and precision experimental techniques. In subvolume b which will follow shortly the status of the determination of the fundamental constants is summarized.
Download or read book Reproducibility and Replicability in Science written by National Academies of Sciences, Engineering, and Medicine and published by National Academies Press. This book was released on 2019-10-20 with total page 257 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the pathways by which the scientific community confirms the validity of a new scientific discovery is by repeating the research that produced it. When a scientific effort fails to independently confirm the computations or results of a previous study, some fear that it may be a symptom of a lack of rigor in science, while others argue that such an observed inconsistency can be an important precursor to new discovery. Concerns about reproducibility and replicability have been expressed in both scientific and popular media. As these concerns came to light, Congress requested that the National Academies of Sciences, Engineering, and Medicine conduct a study to assess the extent of issues related to reproducibility and replicability and to offer recommendations for improving rigor and transparency in scientific research. Reproducibility and Replicability in Science defines reproducibility and replicability and examines the factors that may lead to non-reproducibility and non-replicability in research. Unlike the typical expectation of reproducibility between two computations, expectations about replicability are more nuanced, and in some cases a lack of replicability can aid the process of scientific discovery. This report provides recommendations to researchers, academic institutions, journals, and funders on steps they can take to improve reproducibility and replicability in science.
Download or read book Units in Physics and Chemistry Einheiten in Physik und Chemie written by Otfried Madelung and published by Springer. This book was released on 1991-12-16 with total page 391 pages. Available in PDF, EPUB and Kindle. Book excerpt: The idea to publish a Landolt-Börnstein volume solely devoted to the Fundamental Constants and the Physical and Chemical Units arose during the preparation of a symposium on "Metrology in Physics" held at the Physikalisch-Technische Bundesanstalt in Braunschweig, Germany. It was felt that such a volume could be very useful from many viewpoints. Precision measurement is of crucial importance for the progress of modern science and technology, and "Metrology", the art of performing precise measurements has become a widely acknowledged area of truly interdisciplinary character. The significance of the fundamental constants for the understanding of physics is by now well accepted, their use for the realization of the physical and chemical units being undoubted. The amount of available information turned out to be so substantial that the volume had to be split into two subvolumes. The present subvolume a covers the physical and chemical units, their description as well as the measuring principles and precision experimental techniques. In subvolume b which will follow shortly the status of the determination of the fundamental constants is summarized.
Download or read book Precision Measurement and Fundamental Constants written by D. N. Langenberg and published by Forgotten Books. This book was released on 2017-10-27 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Precision Measurement and Fundamental Constants: Proceedings of the International Conference Held at the National Bureau of Standards, Gaithersburg, Maryland, August 3-7, 1970 In all of our fundamental theories there appear a certain few parameters which characterize the fundamental particles and interactions we find in nature. These are the fundamental physical constants. The precision determination of the numerical values of these constants has long been and remains one of the principal objectives of experimental science. This is not because there is any intrinsic virtue in accumulating lists of ever longer numbers, but because the fundamental constants are the quantitative links between our most basic theories and the physical reality we wish them to describe. Our theories must stand or fall according to their ability to make quantitative predictions which agree with experimental observations to the maximum accuracy possible. The progress of our understanding of the physical world is therefore very much intertwined with the advance of the art of precision measurement and its application to the determination of the fundamental physi cal constants. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Download or read book Journal of Research of the National Institute of Standards and Technology written by and published by . This book was released on 1999 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt:
