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Saturday, August 1, 2020 | History

3 edition of The measurement of the scattering and obsolescence of periodicals found in the catalog.

The measurement of the scattering and obsolescence of periodicals

The measurement of the scattering and obsolescence of periodicals

  • 228 Want to read
  • 2 Currently reading

Published by University Microfilms International in Ann Arbor, Mich .
Written in English

    Subjects:
  • Periodicals -- Use studies.,
  • Bibliometrics.

  • Edition Notes

    Other titlesScattering and obsolescence of periodicals.
    Statementby John David Zimmerman.
    GenreUse studies.
    The Physical Object
    FormatMicroform
    Pagination1 microfilm reel
    ID Numbers
    Open LibraryOL21030710M

    The simulator is validated through a comparison of acoustic data measured at sea, and emulated data, governed by the same scattering function. This comparison is based on scattering and coherence functions, multipath phase measurements, and application of a decision feedback equalizer. [31] B.C. Brookes, Obsolescence of special library periodi-cals: sampling errors and utility contours. Journal of the American Society for Information Science 21 () [32] B.C. Brookes, Photocopies v. periodicals: cost-effective-ness in the special library, Journal of .

    How to Measure Anything • I conducted 55 major risk/return analysis projects so far that included a variety of “impossible” measurements • I found such a high need for measuring difficult things that I decided I had to write a book • The book will be released in . The particle-size distribution (PSD) of a powder, or granular material, or particles dispersed in fluid, is a list of values or a mathematical function that defines the relative amount, typically by mass, of particles present according to size. Significant energy is usually required to disintegrate soil, etc. particles into the PSD that is then called a grain size distribution.

    Start studying Measurement Book, Chapter 6. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Optical Scattering, Measurement & Analysis, by Stover, John, and a great selection of related books, art and collectibles available now at - Optical Scattering: Measurement and Analysis Optical and Electro-optical Engineering Series by Stover, John C - AbeBooks.


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The measurement of the scattering and obsolescence of periodicals Download PDF EPUB FB2

Articles in periodicals and books: Abstract: Measurements of the Volume Scattering Function between ° and ° with an angular resolution of ° were performed in the northern Adriatic Sea onboard an oceanographic platform in October using a prototype instrument.

These data are presented and the derived scattering and back Author: Berthon Jean-Francois, Lee Michael. Articles in periodicals and books: Abstract: Measurements of the Volume Scattering Function (VSF) were performed on water samples collected in the northern Adriatic Sea coastal area in the frame of the CoASTS time-series in the period using a prototype instrument (Lee and Lewis, ).

Brown's data were analysed and obsolescence was plotted against scattering for each of the eight subjects. The results, which are presented in Fig. 2, are clearly at variance with the original hypothesis that scattering and obsolescence vary inversely.

Instead. The book concludes with extensive critical reviews of the experimental constraints of light scattering models: results of measurements of light scattering and of the key properties of the particles: size distribution, refractive index (composition), structure, and shape.

Books are considered as the second major source, which accounts for %. In other words, periodicals and books together constitute % while other forms of sources are negligible. Team. (Translation) 3: Ð, PEOPLE OF THE BOOK 3: 98Ð ; 4: Ð; 5: 79Ð84; 6: Ð; 7: Ð; 9: Ð Letter 5: Periodicals see also Serials Periodicals French novice.

Light scattering techniques are becoming increasingly popular but appar-ently no simple introduction to the field exists. I have tried to explain what the phenomenon of light scattering is and how the phenomenon evolved into measure-ment techniques. The field is full of pitfalls, and the manufacturers of light scatter.

Periodicals related to Electromagnetic scattering Back to Top. Antennas and Propagation, IEEE Transactions on. Experimental and theoretical advances in antennas including design and development, and in the propagation of electromagnetic waves including scattering, diffraction and interaction with continuous media; and applications pertinent to antennas and propagation, such as remote sensing.

ween periodicals and serials The second aspect relates to information obsolescence and scattering. This aspect has been covered by the term propagation and decay. These terms are obviously more comprehensive than obso-lence and scattering.

metrics connotes the science of measurement pertaining to books. In our context, we can. As the literature ages, it receives fewer and fewer citations.

This phenomenon is known as “aging” or “obsolescence.” The measure of “half-life, defined as the median age of cited or requested sources,” has been used to study the obsolescence of literature (Earle & Vickery,Line,p. ; Line,p. An illustration of an open book.

Books. An illustration of two cells of a film strip. Information Utilization, Library Collections, Library Materials, Mathematical Applications, Mathematical Models, Obsolescence, Operations Research, Periodicals, Use Studies this report examines Bradford's Law of Scattering and the fall-off of use of.

Docum 19 (1) Ma 7. Trueswell, Richard. A quantitative measure of user circulation requirements and its possible effects on stack thinning and multiple copy determination. Amer. Docum. 16 (1) 8. Buckland, Î. and Woodburn, S. Some implications for library management of scattering and obsolescence.

literature obsolescence reflected in more than© Wiley Periodicals, Inc. phenomena of scattering and obsolescence. Several re-searchers in the past studied if the Bradford Law fits the dis-tribution and obsolescence of articles appearing in journals.

in book form. There are more single author citations (%) than multiple. A ranked list of cited journals shows the scattering of sociocultural anthropology literature in periodicals, with % published in 15 periodicals only. "Information use pattern and analysis of literature in the field of social action".

A very early example of a bibliometric study was a "statistical analysis of the literature" of comparative anatomy from towhich counted books and journal article titles, and grouped them by countries of origin within periods. Ina study was conducted by Hulme on the history of science.

bibliometrics 1. c on ceptt he of me tricsbib lio n. anitha mlis 2nd year 2. the concept of bibliometricsorigin and developmentdefinition and meaningscope of bibliometricsbibliometrics lawsbibliometrics softwareapplication of bibliometicslimitations of bibliometrics. Considering second harmonic generation, we show that, in the presence of the BEC, the intensity of the second harmonic is proportional to (aN n)/sup 2/, where N and n are the total number and the effective density of the condensed atoms, respectively, and a stands for the scattering length describing the process of scattering of two excited.

obsolescence measured by photocopy demand for journal titles in a biotechnology library and obsolescence measured by citation frequency. They suggested that “median citation age data based on citations was not a reliable predictor of the use of current journals” (p).

Light scattering methods for the physical analysis of synthetic and biological polymers neces8itates the use of scattering standards and absolute light scattering measurements.

Standardization has not been employed when light scattering has been used to monitor immunochemical reactions using a kinetic or thermodynamic mode. This book represents the specific measurement technique known as the spherical near-field method.

The theoretical treatment of the method is detailed but of sufficient generality to make the book useful as a basis for further research on near-field measurements and antenna coupling : $.

INTRODUCTION: The Clinical Problem. AKI remains an untreatable and deadly disease process affecting 5–10% of all hospitalized and 30–50%of ICU patients with a mortality rate often exceeding 50% in the ICU setting. 1–3 The rate of AKI in hospitalized patients has been increasing for over 30 years and yet the clinical approach has remained the same.Follow Miroslaw Jonasz and explore their bibliography from 's Miroslaw Jonasz Author Page.

Several previous papers from our group discussed the measurement of fluorescent quantum yield (QY), and light scattering and absorption cross sections using a spectrophotometer with an integrating sphere detector (1), (2). In references 1 and 2 the measurement of scattering cross section for polystyrene (PS) microspheres was discussed.