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The Seri High Pressure Molecular Beam Mass Spectrometric Sampling System
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Book Synopsis The SERI High Pressure, Molecular-beam Mass Spectrometric Sampling System by : Michael N. Soltys
Download or read book The SERI High Pressure, Molecular-beam Mass Spectrometric Sampling System written by Michael N. Soltys and published by . This book was released on 1982 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The theory of high pressure, molecular-beam mass spectrometric sampling is briefly reviewed, with a discussion of the principal phenomena that affect results. The hardware and circuits of the sampling and data acquisition system are described. Finally, system performance and capability are reviewed. Representative data outputs are included.
Book Synopsis The SERI High Pressure, Molecular-beam Mass Spectrometric Sampling System by : Michael N. Soltys
Download or read book The SERI High Pressure, Molecular-beam Mass Spectrometric Sampling System written by Michael N. Soltys and published by . This book was released on 1982 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: The theory of high pressure, molecular-beam mass spectrometric sampling is briefly reviewed, with a discussion of the principal phenomena that affect results. The hardware and circuits of the sampling and data acquisition system are described. Finally, system performance and capability are reviewed. Representative data outputs are included.
Book Synopsis A High Pressure Modulated Molecular Beam Mass Spectrometric Sampling System by : C. A. Stearns
Download or read book A High Pressure Modulated Molecular Beam Mass Spectrometric Sampling System written by C. A. Stearns and published by . This book was released on 1977 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Supersonic Molecular Beam Sampling Systems for Mass Spectrometric Studies of High Pressure Flow Systems by : John Chang
Download or read book Supersonic Molecular Beam Sampling Systems for Mass Spectrometric Studies of High Pressure Flow Systems written by John Chang and published by . This book was released on 1969 with total page 65 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Supersonic Molecular Beam Sampling System for Mass Spectrometric Studies of High Pressure Flow Systems by : John Hu-sen Chang
Download or read book Supersonic Molecular Beam Sampling System for Mass Spectrometric Studies of High Pressure Flow Systems written by John Hu-sen Chang and published by . This book was released on 1969 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this paper experiments are preported on beam intensity and mass separation effects for a mass spectrometer sampling system designed for chemically reacting gases at 1,000K and one atmosphere. The coupling between the reacting chamber and the mass spectrometer was achieved by a supersonic molecular beam of the type suggested by Kantrowitz and Grey. The initial expansion was accomplished by a free jet from a continuum sonic orifice. The system was designed to minimize the change in chemical composition of the sampled gas by orifice boundary layer contamination, sample-skimmer interaction, chemical reactions and condensation during the expansion, mass separation and background gas infiltration. Beams from known sources were generated and sampled. The observed beam intensity and composition were compared to those calculated from theory. This paper also provides a compact statement of the present state of the art of molecular beam technology as it applies to sampling, together with enough background material to illustrate the main requirements imposed on molecular beam systems in this application. (Author).
Book Synopsis Molecular Beam Sampling of Unstable Species from High Pressure Systems by : Frank T. Greene
Download or read book Molecular Beam Sampling of Unstable Species from High Pressure Systems written by Frank T. Greene and published by . This book was released on 1967 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: A technique has been developed for the mass spectrometric sampling of high temperature systems at atmospheric pressure and above. The gases to be sampled are expanded as a free jet, which is collimated into a molecular beam and introduced into the ion source of a mass spectrometer. Corrections must be made for two phenomena, mass separation and nucleation, which may accompany this sampling process. It has been possible to quantitatively sample stable products and free radicals from atmospheric and low pressure flames using a water-cooled probe. Condensible species have also been sampled using a probe in thermal equilibrium with the gas. It has not, however, been possible to sample with a cold probe species which form refractory condensed phases. These negative results with condensible species are attributed to interactions of the probe with the gas prior to the expansion. (Author).
Book Synopsis A Photoionization Mass Spectrometry Study of Some Small Molecules Utilization a High Intensity Molecular Beam Sampling System by : Gary Raymond Parr
Download or read book A Photoionization Mass Spectrometry Study of Some Small Molecules Utilization a High Intensity Molecular Beam Sampling System written by Gary Raymond Parr and published by . This book was released on 1973 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Molecular Beam Mass Spectrometer Sampling from an Atmospheric Pressure Jet Stirred Combustor by : Carl Vernon Wikstrom
Download or read book Molecular Beam Mass Spectrometer Sampling from an Atmospheric Pressure Jet Stirred Combustor written by Carl Vernon Wikstrom and published by . This book was released on 1990 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Direct Mass Spectrometric Sampling of High Pressure Systems by : Thomas A. Milne
Download or read book Direct Mass Spectrometric Sampling of High Pressure Systems written by Thomas A. Milne and published by . This book was released on 1967 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: The extension of direct mass spectrometric sampling to inorganic systems at higher pressures offers advantages in the type of species and reactions that can be studied. One method involves an initial expansion as a free jet, which is subsequently collimated into a molecular beam. Knowledge of such free-jet expansions is sufficient to predict the principal phenomena, including mass separation and homogeneous nucleation. A three-stage, differentially pumped sampling system has been applied to the sampling of flames, to the observation of clusters in argon, and to the study of the behavior of Hg and CsCl in Ar and N2 carrier gases. A preliminary consideration of the kinetics of growth of the species Ar2 indicates the collisions between molecules at very low thermal energies and densities are important.
Book Synopsis Importance of the High Pressure Mass Spectrometer Sampling System to Materials Technology by : Paul W. Dimiduk
Download or read book Importance of the High Pressure Mass Spectrometer Sampling System to Materials Technology written by Paul W. Dimiduk and published by . This book was released on 1967 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: The general concept of a probe system is described that will allow the mass spectrometric analysis of the pressure environments near 1 atmosphere and above which are of current practical interest. Applications include the detection of both the stable and highly unstable gas molecules present in reacting mixtures and determining the vapor species existing over reacting solids in any temperature range. Illustrative examples are given to show some of the kinds of important materials problems whose solutions may be speeded by application of this device. The current development status and the major remaining problems associated with this device are summarized. (Author).
Book Synopsis Fundamentals of Thermochemical Biomass Conversion by : R.P. Overend
Download or read book Fundamentals of Thermochemical Biomass Conversion written by R.P. Overend and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 1155 pages. Available in PDF, EPUB and Kindle. Book excerpt: Throughout the world many projects have been underway to investigate the conversion of renewable biomass into energy and synthetic fuels by thermo chemical methods such as combustion, pyrolysis, gasification and lique faction. While many of these represent prior art used during the early 20th century, the recent decade since the 1970s oil shock has immeasurably increased the knowledge base for such processes. Much of the new knowledge has been gained by persons who were not trained in classical wood chemistry and there have not yet been many attempts to synthesize the knowledge into a corpus of systematic information. To bring this about the International Energy Agency's Forestry Energy collaboration, the Gas Research Institute, the National Research Council of Canada and the US Department of Energy jointly sponsored a conference on the Fundamentals of Thermochemical Biomass Conversion in Estes Park, Colorado which was held on October 18-22, 1982. The Conference, which was structured around invited plenary papers and contributions from researchers, served as the basis for the papers in this volume which reflect the substantial conclusions of the Conference. During the planning for the Conference, it was realized by the editors in their capacity as Co-chairmen that a major problem in biomass research was the lack of reproducibility between reported experiments and their inter comparison on account of the heterogeneity of biomass materials. A well known wood chemist, George M.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1989 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt: Semiannual, with semiannual and annual indexes. References to all scientific and technical literature coming from DOE, its laboratories, energy centers, and contractors. Includes all works deriving from DOE, other related government-sponsored information, and foreign nonnuclear information. Arranged under 39 categories, e.g., Biomedical sciences, basic studies; Biomedical sciences, applied studies; Health and safety; and Fusion energy. Entry gives bibliographical information and abstract. Corporate, author, subject, report number indexes.
Book Synopsis Direct Mass Spectrometric Sampling from High Pressure Systems by : William John McLean
Download or read book Direct Mass Spectrometric Sampling from High Pressure Systems written by William John McLean and published by . This book was released on 1971 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Solar Energy Update written by and published by . This book was released on 1983 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Characterization of High Temperature Vapors and Gases by : John W. Hastie
Download or read book Characterization of High Temperature Vapors and Gases written by John W. Hastie and published by . This book was released on 1979 with total page 836 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Applied Electrospray Mass Spectrometry by : Birendra N. Pramanik
Download or read book Applied Electrospray Mass Spectrometry written by Birendra N. Pramanik and published by CRC Press. This book was released on 2002-02-28 with total page 407 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discussing strategies to determine the structure and machanisms of numerous compound classics, this book covers new chemical and elctrophoretic techniques for rapid sample preconcentration and separation. It summarizes breakthroughs in the theory and instrumentation of electrospray mass spectrometry in pharmaceutical and biomedical applications, provides practical examples for the characterization of peptides, proteins, and glycoproteins, includes applications in proteomics, combinatorial chemistry, and drug characterization. Topics include chemical and electrophoretic techniques for rapid sample preconcentration and separation, screening processes for proteins from libraries of compounds, protein folding and dynamics, and more.
