Spectral Readings

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Flux and Spectral Measurements of Primary and Moderated Neutron Sources

Author : E. Tochilin
Publisher :
ISBN 13 :
Total Pages : 38 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Flux and Spectral Measurements of Primary and Moderated Neutron Sources by : E. Tochilin

Download or read book Flux and Spectral Measurements of Primary and Moderated Neutron Sources written by E. Tochilin and published by . This book was released on 1962 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: Radioactive (a, n) neutron sources include Ra-Be, PuF4, and four PuBe13 sources. Comparative neutron emission rates were determined by two separate methods: (1) the manganese sulfate bath with appropriate corrections made for fast neutron escape or capture and for thermal neutron capture by the source; and (2) long counter measurements corrected for energy response and so rce anisotropy. Agreement to within 1 percent was obtained by the two independent methods. A Ra-Be source calibrated against the NBS neutron standard was used as a primary reference Spectral measurements of PuBe13 and PuF4 neutron sources were made with nuclear emulsions. By the use of cylindrical plastic and lead absorbers, an effort was made to moderate the PuBe13 spectrum and thereby obtain additional calibration points for instrument response studies. Spectral changes were initially studied with the doublemoderator technique, followed by later measurements with nuclear emulsions. From flux and spectral measurements of the primary and moderated radioactive sources, the first collision tissue dose was calculated and, in turn, compared to experimental measurements of absorbed dose with proportional counters designed according to the Bragg-Gray principle. (Author).

Spectral Analysis in Geophysics

Author : B.M. Båth
Publisher : Elsevier
ISBN 13 : 0444599983
Total Pages : 580 pages
Book Rating : 4.4/5 (445 download)

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Book Synopsis Spectral Analysis in Geophysics by : B.M. Båth

Download or read book Spectral Analysis in Geophysics written by B.M. Båth and published by Elsevier. This book was released on 2012-12-02 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spectral Analysis in Geophysics

Practical Handbook on Spectral Analysis

Author : V. S. Burakov
Publisher : Elsevier
ISBN 13 : 1483184870
Total Pages : 211 pages
Book Rating : 4.4/5 (831 download)

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Book Synopsis Practical Handbook on Spectral Analysis by : V. S. Burakov

Download or read book Practical Handbook on Spectral Analysis written by V. S. Burakov and published by Elsevier. This book was released on 2013-09-11 with total page 211 pages. Available in PDF, EPUB and Kindle. Book excerpt: Practical Handbook on Spectral Analysis focuses on visual and photographic methods of spectral analysis. The book aims to present the problems on the methods used in carrying out spectral analysis of materials encountered in practice in industrial laboratories. The handbook first offers information on light sources for spectral analysis and visual methods of spectral analysis. Discussions focus on alternating current arcs, spark generators, direct current arcs, essentials of visual methods of spectral analysis, and preparation of samples and electrodes for carrying out the analysis. The text then takes a look at the photographic methods of spectral analysis, as well as equipment for the photographic recording of spectra, properties and treatment of photographic materials, and principles of quantitative spectral analysis. The publication ponders on procedures for the spectrographic quantitative analysis of metals and alloys and methods of spectral analysis of powders and solutions. Topics include development of procedures for quantitative spectral analysis; obtaining standards and preparing specimens for analysis; and analysis of copper-base alloys, cast irons, high-alloy steels, and aluminum-base alloys. The manuscript also takes a look at the setting up of a spectral analysis laboratory. The handbook is a dependable reference for readers interested in the visual and photographic methods of spectral analysis.

Surficial Geology, Spectral-reflectance Characteristics and Their Influence on Hyperspectral Imaging as a Drift-prospecting Technique for Kimberlite in the Diavik Diamond Mine Area, Northwest Territories

Download Surficial Geology, Spectral-reflectance Characteristics and Their Influence on Hyperspectral Imaging as a Drift-prospecting Technique for Kimberlite in the Diavik Diamond Mine Area, Northwest Territories PDF Online Free

Author : Daniel E. Kerr
Publisher : Natural Resources Canada
ISBN 13 : 0660187248
Total Pages : 10 pages
Book Rating : 4.6/5 (61 download)

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Book Synopsis Surficial Geology, Spectral-reflectance Characteristics and Their Influence on Hyperspectral Imaging as a Drift-prospecting Technique for Kimberlite in the Diavik Diamond Mine Area, Northwest Territories by : Daniel E. Kerr

Download or read book Surficial Geology, Spectral-reflectance Characteristics and Their Influence on Hyperspectral Imaging as a Drift-prospecting Technique for Kimberlite in the Diavik Diamond Mine Area, Northwest Territories written by Daniel E. Kerr and published by Natural Resources Canada. This book was released on 2002 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: Both airborne & ground hyperspectral surveys have recently been undertaken as potential exploration methods for a variety of mineral deposit types in glaciated regions. This paper reviews a project that aims to summarize the surficial geology & glacial stratigraphy in the Lac de Gras kimberlite field in order to assess hyperspectral ground surveys as a drift prospecting technique for kimberlite in an area with varied overburden thickness. It describes the area's regional geology & glacial history, the reasons for lack of kimberlite indicator minerals above some kimberlite pipes, and the spectral reflectance response of bedrock exposures, kimberlite, and various till samples collected in the area. Limitations of using spectral reflectance data in drift prospecting are also discussed.

Spectral Irradiance Measurements in Monterey Bay

Author : Robert Zafran
Publisher :
ISBN 13 :
Total Pages : 192 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Spectral Irradiance Measurements in Monterey Bay by : Robert Zafran

Download or read book Spectral Irradiance Measurements in Monterey Bay written by Robert Zafran and published by . This book was released on 1977 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: The NPS Spectroirradiometer (spectral irradiance meter) incorporates a rotating spectral wedge filter and was developed to measure the spatial distribution of downwelling underwater solar irradiance. Spectral irradiance data in the 402 to 577 nm regime was observed to depths of 130 m under both clear and foggy sky conditions. Diffuse attenuation coefficients, k, for downwelling light at selected wavelength/depth combinations were calculated from the observed spectral irradiances. The downwelling spectral irradiance values obtained ranged from 436 microwatts/sq. cm/nm at 494 nm to .00150 microwatts/sq cm/nm at 577 nm and are numerically comparable to data from other studies of coastal waters. The calculated values for five selected wavelengths, namely 418, 453, 487, 522, and 557 nm, ranged from .097/m at 418 nm to .274/m at 557 nm and are representative values. The results of the measurements indicate that the NPS Spectroirradiometer provides a practical method of determining irradiance distributions.

Spectral-transmissive Properties and Use of Eye-protective Glasses

Author : Ralph Stair
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Spectral-transmissive Properties and Use of Eye-protective Glasses by : Ralph Stair

Download or read book Spectral-transmissive Properties and Use of Eye-protective Glasses written by Ralph Stair and published by . This book was released on 1948 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Fundamentals, Sensor Systems, Spectral Libraries, and Data Mining for Vegetation

Author : Prasad S. Thenkabail
Publisher : CRC Press
ISBN 13 : 1351673297
Total Pages : 449 pages
Book Rating : 4.3/5 (516 download)

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Book Synopsis Fundamentals, Sensor Systems, Spectral Libraries, and Data Mining for Vegetation by : Prasad S. Thenkabail

Download or read book Fundamentals, Sensor Systems, Spectral Libraries, and Data Mining for Vegetation written by Prasad S. Thenkabail and published by CRC Press. This book was released on 2018-12-07 with total page 449 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by leading global experts, including pioneers in the field, the four-volume set on Hyperspectral Remote Sensing of Vegetation, Second Edition, reviews existing state-of-the-art knowledge, highlights advances made in different areas, and provides guidance for the appropriate use of hyperspectral data in the study and management of agricultural crops and natural vegetation. Volume I, Fundamentals, Sensor Systems, Spectral Libraries, and Data Mining for Vegetation introduces the fundamentals of hyperspectral or imaging spectroscopy data, including hyperspectral data processes, sensor systems, spectral libraries, and data mining and analysis, covering both the strengths and limitations of these topics. This book also presents and discusses hyperspectral narrowband data acquired in numerous unique spectral bands in the entire length of the spectrum from various ground-based, airborne, and spaceborne platforms. The concluding chapter provides readers with useful guidance on the highlights and essence of Volume I through the editors’ perspective. Key Features of Volume I: Provides the fundamentals of hyperspectral remote sensing used in agricultural crops and vegetation studies. Discusses the latest advances in hyperspectral remote sensing of ecosystems and croplands. Develops online hyperspectral libraries, proximal sensing and phenotyping for understanding, modeling, mapping, and monitoring crop and vegetation traits. Implements reflectance spectroscopy of soils and vegetation. Enumerates hyperspectral data mining and data processing methods, approaches, and machine learning algorithms. Explores methods and approaches for data mining and overcoming data redundancy; Highlights the advanced methods for hyperspectral data processing steps by developing or implementing appropriate algorithms and coding the same for processing on a cloud computing platform like the Google Earth Engine. Integrates hyperspectral with other data, such as the LiDAR data, in the study of vegetation. Includes best global expertise on hyperspectral remote sensing of agriculture, crop water use, plant species detection, crop productivity and water productivity mapping, and modeling.

Rocket-borne Spectral Measurement of Atmospheric Infrared Emission During a Quiet Condition in the Auroral Zone

Author :
Publisher :
ISBN 13 :
Total Pages : 110 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Rocket-borne Spectral Measurement of Atmospheric Infrared Emission During a Quiet Condition in the Auroral Zone by :

Download or read book Rocket-borne Spectral Measurement of Atmospheric Infrared Emission During a Quiet Condition in the Auroral Zone written by and published by . This book was released on 1976 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: A Nike-Javelin rocket (NJ-74-1) was launched at Poker Flat, Alaska, on 11 Apr 74 at 0801 hours UT during a non-auroral condition. A near-zenith spectral radiance profile was obtained from 54 km to an apogee of 118 km on ascent and from 118 km down to about 85.6 km on descent, using a circular variable filter spectrometer. About 464 spectral scans were obtained during flight, covering the range from 1.7 to 5.4 micrometers at a resolution of about 4 percent. The dominant emission feature was at 4.3 micrometer, which is attributed to the CO2 nu3 fundamental. The upward viewed spectral radiance appeared to range from about 215 MRmicrometer at 54 km to less than the noise equivalent spectral radiance of 3 MR /micrometer at 118 km. In this report are given the first quiet condition (no aurora) rocket data in the auroral zone. (Author).

Soil Spectral Inference with R

Author : Alexandre M.J.-C. Wadoux
Publisher : Springer Nature
ISBN 13 : 3030648966
Total Pages : 247 pages
Book Rating : 4.0/5 (36 download)

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Book Synopsis Soil Spectral Inference with R by : Alexandre M.J.-C. Wadoux

Download or read book Soil Spectral Inference with R written by Alexandre M.J.-C. Wadoux and published by Springer Nature. This book was released on 2021-02-25 with total page 247 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a didactic overview of techniques for inferring information from soil spectroscopic data, and the codes in the R programming language for performing such analyses. It is intended for students, researchers and practitioners looking to infer soil information from spectroscopic data, focusing mainly on, but not restricted to, the infrared range of the electromagnetic spectrum. Little prior knowledge of the R programming language or digital soil spectra is required. We work through the steps to process spectroscopic data systematically.

Some Developments in Improved Methods for the Measurements of the Spectral Irradiances of Solar Simulators

Author :
Publisher :
ISBN 13 :
Total Pages : 60 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Some Developments in Improved Methods for the Measurements of the Spectral Irradiances of Solar Simulators by :

Download or read book Some Developments in Improved Methods for the Measurements of the Spectral Irradiances of Solar Simulators written by and published by . This book was released on 1963 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:

CRREL Report

Author :
Publisher :
ISBN 13 :
Total Pages : 550 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis CRREL Report by :

Download or read book CRREL Report written by and published by . This book was released on 1987 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Power Spectral Analysis of Some Airplane Response Quantities Obtained During Operational Training Missions of a Fighter Airplane

Author : Harold A. Hamer
Publisher :
ISBN 13 :
Total Pages : 46 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Power Spectral Analysis of Some Airplane Response Quantities Obtained During Operational Training Missions of a Fighter Airplane by : Harold A. Hamer

Download or read book Power Spectral Analysis of Some Airplane Response Quantities Obtained During Operational Training Missions of a Fighter Airplane written by Harold A. Hamer and published by . This book was released on 1960 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Report

Author : United States. National Advisory Committee for Aeronautics
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Report by : United States. National Advisory Committee for Aeronautics

Download or read book Report written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1934 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Principles of Colour and Appearance Measurement

Author : Asim Kumar Roy Choudhury
Publisher : Elsevier
ISBN 13 : 0857099248
Total Pages : 425 pages
Book Rating : 4.8/5 (57 download)

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Book Synopsis Principles of Colour and Appearance Measurement by : Asim Kumar Roy Choudhury

Download or read book Principles of Colour and Appearance Measurement written by Asim Kumar Roy Choudhury and published by Elsevier. This book was released on 2014-02-19 with total page 425 pages. Available in PDF, EPUB and Kindle. Book excerpt: Colour and appearance perceptions are very complex psychological phenomena. Written by one of the foremost authorities in the field, Principles of Colour and Appearance Measurement is a major two-volume work addressing the key topics required to understand the issues and manage colour effectively. The book addresses how objects appear to viewers, how viewers perceive colour, and the major types of instrumentation used to measure colour. Chapters detail the characteristics of light sources and object colour and appearance attributes. They encompass the complexities of human visual perception, including the various causes and types of colour blindness, and other unusual visual phenomena. The book also covers colour measurement instruments and methods, as well as fluorescence and whiteness. Principles of Colour Appearance and Measurement is a comprehensive resource for designers, colour technologists, colour quality inspectors, product developers, and anyone who uses colour in their work. Addresses the key topics required to understand the issues of colour measure and management Examines how viewers perceive colour and how objects appear to them Reviews the major types of instrumentation used to measure colour

Power Spectral Measurement of Atmospheric Turbulence in Severe Storms and Cumulus Clouds

Author : Richard H. Rhyne
Publisher :
ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Power Spectral Measurement of Atmospheric Turbulence in Severe Storms and Cumulus Clouds by : Richard H. Rhyne

Download or read book Power Spectral Measurement of Atmospheric Turbulence in Severe Storms and Cumulus Clouds written by Richard H. Rhyne and published by . This book was released on 1964 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Spectroscopic Instrumentation

Author : Thomas Eversberg
Publisher : Springer
ISBN 13 : 3662445352
Total Pages : 677 pages
Book Rating : 4.6/5 (624 download)

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Book Synopsis Spectroscopic Instrumentation by : Thomas Eversberg

Download or read book Spectroscopic Instrumentation written by Thomas Eversberg and published by Springer. This book was released on 2014-11-10 with total page 677 pages. Available in PDF, EPUB and Kindle. Book excerpt: In order to analyze the light of cosmic objects, particularly at extremely great distances, spectroscopy is the workhorse of astronomy. In the era of very large telescopes, long-term investigations are mainly performed with small professional instruments. Today they can be done using self-designed spectrographs and highly efficient CCD cameras, without the need for large financial investments. This book explains the basic principles of spectroscopy, including the fundamental optical constraints and all mathematical aspects needed to understand the working principles in detail. It covers the complete theoretical and practical design of standard and Echelle spectrographs. Readers are guided through all necessary calculations, enabling them to engage in spectrograph design. The book also examines data acquisition with CCD cameras and fiber optics, as well as the constraints of specific data reduction and possible sources of error. In closing it briefly highlights some main aspects of the research on massive stars and spectropolarimetry as an extension of spectroscopy. The book offers a comprehensive introduction to spectroscopy for students of physics and astronomy, as well as a valuable resource for amateur astronomers interested in learning the principles of spectroscopy and spectrograph design.

Spectral Properties of Lipids

Author : Richard John Hamilton
Publisher : CRC Press
ISBN 13 : 9780849397363
Total Pages : 442 pages
Book Rating : 4.3/5 (973 download)

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Book Synopsis Spectral Properties of Lipids by : Richard John Hamilton

Download or read book Spectral Properties of Lipids written by Richard John Hamilton and published by CRC Press. This book was released on 1999 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spectral Properties of Lipids offers essential, up-to-date professional and reference level information about lipids for those in the oils and fats industry, the food industry, and the cosmetics industry. It presents multinational perspectives of European and American academicians and industry practitioners and provides state-of-the-art research and technological information for practical application. Including essential background theory for the techniques, it covers a wide variety of topics, including atomic spectroscopy, chemiluminescence, and the combination of NMR, UV and mass spectrometry.