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Searches for cosmic-ray electron anisotropies with the Fermi Large Area Telescope

physical Review d 2010年第9期82卷 092003-092003页

作者： M. Ackermann M. Ajello W. B. Atwood L. Baldini J. Ballet G. Barbiellini d. Bastieri K. Bechtol R. Bellazzini B. Berenji E. d. Bloom E. Bonamente A. W. Borgland A. Bouvier J. Bregeon A. Brez M. Brigida P. Bruel R. Buehler T. H. Burnett S. Buson G. A. Caliandro R. A. Cameron P. A. Caraveo S. Carrigan J. M. Casandjian C. Cecchi Ö. Çelik E. Charles A. Chekhtman C. C. Cheung J. Chiang S. Ciprini R. Claus J. Cohen-Tanugi J. Conrad A. Cuoco C. d. dermer A. de Angelis F. de Palma S. W. digel G. di Bernardo E. do Couto e Silva P. S. drell R. dubois C. Favuzzi S. J. Fegan W. B. Focke M. Frailis Y. Fukazawa S. Funk P. Fusco d. Gaggero F. Gargano S. Germani N. Giglietto P. Giommi F. Giordano M. Giroletti T. Glanzman G. Godfrey d. Grasso I. A. Grenier J. E. Grove S. Guiriec M. Gustafsson d. Hadasch A. K. Harding K. Hayashi E. Hays R. E. Hughes G. Jóhannesson A. S. Johnson W. N. Johnson T. Kamae H. Katagiri J. Kataoka M. Kerr J. Knödlseder M. Kuss J. Lande L. Latronico S.-H. Lee M. Lemoine-Goumard M. Llena Garde F. Longo F. Loparco M. N. Lovellette P. Lubrano A. Makeev M. N. Mazziotta J. E. McEnery J. Mehault P. F. Michelson T. Mizuno A. A. Moiseev C. Monte M. E. Monzani E. Moretti A. Morselli I. V. Moskalenko S. Murgia T. Nakamori M. Naumann-Godo P. L. Nolan E. Nuss T. Ohsugi A. Okumura N. Omodei E. Orlando J. F. Ormes d. Paneque J. H. Panetta d. Parent V. Pelassa M. Pepe M. Pesce-Rollins F. Piron T. A. Porter S. Profumo S. Rainò R. Rando M. Razzano A. Reimer O. Reimer T. Reposeur J. Ripken S. Ritz M. Roth H. F.-W. Sadrozinski A. Sander T. L. Schalk C. Sgrò J. Siegal-Gaskins E. J. Siskind d. A. Smith P. d. Smith G. Spandre P. Spinelli M. S. Strickman A. W. Strong d. J. Suson H. Takahashi T. Takahashi T. Tanaka J. B. Thayer J. G. Thayer d. J. Thompson L. Tibaldo d. F. Torres G. Tosti A. Tramacere Y. Uchiyama T. L. Usher J. Vandenbroucke V. Vasileiou N. Vilchez V. Vitale A. P. Waite P. Wang B. L. Winer K. S. Wood Z. Yang T. Ylinen G. Zaharijas M. Ziegler W. W. Hansen Experimental Physics Laboratory Kavli Institute for Particle Astrophysics and Cosmology Department of Physics and SLAC National Accelerator Laboratory Stanford University Stanford California 94305 USA Santa Cruz Institute for Particle Physics Department of Physics and Department of Astronomy and Astrophysics University of California at Santa Cruz Santa Cruz California 95064 USA Istituto Nazionale di Fisica Nucleare Sezione di Pisa I-56127 Pisa Italy Laboratoire AIM CEA-IRFU/CNRS/Université Paris Diderot Service d’Astrophysique CEA Saclay 91191 Gif sur Yvette France Istituto Nazionale di Fisica Nucleare Sezione di Trieste I-34127 Trieste Italy Dipartimento di Fisica Università di Trieste I-34127 Trieste Italy Istituto Nazionale di Fisica Nucleare Sezione di Padova I-35131 Padova Italy Dipartimento di Fisica “G. Galilei ” Università di Padova I-35131 Padova Italy Istituto Nazionale di Fisica Nucleare Sezione di Perugia I-06123 Perugia Italy Dipartimento di Fisica Università degli Studi di Perugia I-06123 Perugia Italy Dipartimento di Fisica “M. Merlin” dell’Università e del Politecnico di Bari I-70126 Bari Italy Istituto Nazionale di Fisica Nucleare Sezione di Bari 70126 Bari Italy Laboratoire Leprince-Ringuet École polytechnique CNRS/IN2P3 Palaiseau France Department of Physics University of Washington Seattle Washington 98195-1560 USA Institut de Ciencies de l’Espai (IEEC-CSIC) Campus UAB 08193 Barcelona Spain INAF-Istituto di Astrofisica Spaziale e Fisica Cosmica I-20133 Milano Italy NASA Goddard Space Flight Center Greenbelt Maryland 20771 USA Center for Research and Exploration in Space Science and Technology (CRESST) and NASA Goddard Space Flight Center Greenbelt Maryland 20771 USA Department of Physics and Center for Space Sciences and Technology University of Maryland Baltimore County Baltimore Maryland 21250 USA Space Science Division Naval Research Laboratory Washington D.C. 20375 USA George Mason University Fairfax Virgin

The Large Area Telescope on board the Fermi satellite (Fermi LAT) detected more than 1.6×106 cosmic-ray electrons/positrons with energies above 60 GeV during its first year of operation. The arrival directions of these events were searched for anisotropies of angular scale extending from ∼10° up to 90°, and of minimum energy extending from 60 GeV up to 480 GeV. Two independent techniques were used to search for anisotropies, both resulting in null results. Upper limits on the degree of the anisotropy were set that depended on the analyzed energy range and on the anisotropy’s angular scale. The upper limits for a dipole anisotropy ranged from ∼0.5% to ∼10%.

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Local vs. Integrated Control Strategies for double-skin Systems

Local vs. Integrated Control Strategies for Double-skin Syst...

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The First International Conference on Building Energy and Environment

作者： Cheol-Soo Park Godfried Augenbroe Department of Architectural Engineering SungKyunkwan University Ph.D.Program College of ArchitectureGeorgia Institute of Technology

This paper presents the follow-up in the development of occupant responsive optimal control for double-skin systems that was published previously in (Park et al. 2004a). The presented occupant responsive optimal control optimizes in real-time the performance of the facade in terms of energy, daylighting, visual comfort and thermal comfort. In the aforementioned approach, the double-skin faade system was viewed as an 'isolated' system and hence treated as a local control problem, i.e., based purely on information about the state of the faade and its immediate environment. The paper extends the local control problem to an integrated control problem in which room environmental control and faade control are dealt with simultaneously. It is investigated whether the integrated control significantly outperforms the sub-optimal faade control based on only local state information.

关键词： double skin, Control, Performance, Optimization, Integrated

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Tfe Solberg Award

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Naval Engineers Journal 2009年第5期112卷

作者： dr. Roy L. Streit Since 1992 Dr. Streit has focused a significant amount of his energy to assignment problems in acoustic warfare data fusion systems. This work led him to the formulation of the PDD Principle a broadly useful theoretical method that enables the derivation of new classes of discrete-continuous estimation algorithms for solving assignment problems without requiring enumeration and pruning. In recognition of his outstanding work in this area Dr. Streit received the NAVSEA Scientist of the Year Award for 1997. Dr. Streit has also been pursuing avenues for analyzing the loss in broadband detection performance of an acoustic array in the presence of interferences. Because examining all possible separations between the signal and many interferers is infeasible he has proposed a Poisson process model for the number and location (s) of the interferers. In this same time period Dr. Streit has also been investigating issues in environmental modeling and localization by proposing a novel integral method for solving the bearings-only target motion analysis problem which enables a natural heuristic for compensating for mismatch between the model predictions and the real world. Most recently Dr. Streit has proposed the Numerical ACoustic Hull ARray (NACHAR) Project as a revolutionary and ambitious approach to hull array design. Its premise is that optimizing the detection capability of large hull arrays requires the full integration of hull sensor array and beamformer design processes. Because NACHAR crosses an unusual number of technical disciplines it involves researchers from several departments. The diversity of Dr. Streif s technical background makes him uniquely suited to lead the project Dr. Streifs truly impressive scientific achievements are complemented by a noteworthy list of professional activities that accentuate his value to Division Newport and the Navy. He represents the United States in The Technical Cooperation Program Maritime Activities Panel 9 (Sonar Technology) and participates in the Division New

for his significant engineering research and development in sonar array research and acoustic transient signals as set forth in the following

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TRACKING CONTROL IN THE PRESENCE OF NONLINEAR dYNAMIC FRICTIONAL EFFECTS: ROBOT EXTENSION

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Asian Journal of Control 2008年第3期1卷

作者： M. Feemster d.M. dawson A. Behal W. dixon Matthew Feemster received the B.S degree in Electrical Engineering from Clemson University Clemson South Carolina in December 1994. Upon graduation he remained at Clemson University and received the M.S. degree in Electrical Engineering in 1997. During this time he also served as a research/teaching assistant. His research work focused on the design and implementation of various nonlinear control algorithms with emphasis on the induction motor and mechanical systems with friction present. He is currently working toward his Ph.D. degree in Electrical Engineering at Clemson University. Darren M. Dawson was born in 1962 in Macon Georgia. He received an Associate Degree in Mathematics from Macon Junior College in 1982 and a B.S. Degree in Electrical Engineering from the Georgia Institute of Technology in 1984. He then worked for Westinghouse as a control engineer from 1985 to 1987. In 1987 he returned to the Georgia Institute of Technology where he received the Ph.D. Degree in Electrical Engineering in March 1990. During this time he also served as a research/teaching assistant. In July 1990 he joined the Electrical and Computer Engineering Department and the Center for Advanced Manufacturing (CAM) at Clemson University where he currently holds the position of Professor. Under the CAM director's supervision he currently leads the Robotics and Manufacturing Automation Laboratory which is jointly operated by the Electrical and Mechanical Engineering departments. His main research interests are in the fields of nonlinear based robust adaptive and learning control with application to electro-mechanical systems including robot manipulators motor drives magnetic bearings flexible cables flexible beams and high-speed transport systems. Aman Behal was born in India in 1973. He received his Masters Degree in Electrical Engineering from Indian Institute of Technology Bombay in 1996. He is currently working towards a Ph.D in Controls and Robotics at Clemson University. His research focuses on the control of no

In this paper, we extend the observer/control strategies previously published in [25] to an n -link, serially connected, direct drive, rigid link, revolute robot operating in the presence of nonlinear friction effects modeled by the Lu-Gre model. In addition, we also present a new adaptive control technique for compensating for the nonlinear parameterizable Stribeck effects. Specifically, an adaptive observer/controller scheme is developed which contains a feedforward approximation of the Stribeck effects. This feedforward approximation is used in a composite controller/observer strategy which forces the average square integral of the position tracking error to an arbitrarily small value. Experimental results are included to illustrate the performance of the proposed controllers.

关键词： Friction compensation nonlinear control

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Study on dryout point and heat transfer in subcooled flow boiling through vertical narrow annular channels

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Journal of Energy and Power engineering 2007年第1期1卷 15-21页

作者： dING Guo-zhong HUANG Su-yi SU Shun-yu LI Jia HU Xing-hua Corresponding author： HUANG Hu-lin Ph.D. professor research fields： solar energy application MHD flow and heat transfer. E-mail： hlhuang@***. School of Energy and Power Engineering Huazhong University of Science and Technology Wuhan 430074 China

The purpose of this study is to conduct the dryout point and heat transfer correlation for subcooled boiling flow in narrow annuli. First, the dryout point of subcooled flow boiling of water was measured in narrow annular channels under the working condition of pressure ranging from 0.1 to 0.3 MPa and low mass flow rate from 6 to 60 kgm^-2 s^-1. Experimental test channels were annular and heated bilaterally with the channel gap of lmm and 1.5mm, and heated length of *** location of the dryout was observed and measured by experiment with investigating the various system parameter effects on dryout point, and the results show that the location of dryout point is basically stable and repeating and the heat transfer coefficient increased with heat flux, mass flux and pressure, however, decreases with the gap size. Next, new correlations of CHF and critical vapor quality for narrow annular channels was proposed and calculation results shown a good agreement with the experimental data.

关键词： dryout point heat transfer subcooled flow boiling narrow annular channels

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Multi-campus design and implementation of problem-based-learning courses in environmental biotechnology with interdisciplinary learning

Multi-campus design and implementation of problem-based-lear...

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114th Annual ASEE Conference and Exposition, 2007

作者： Hilger, Helene de, Reyes, Francis Los diBiase, Warren Holmes, Len Luster-Teasley, Stephanie Mandjiny, Siva Schimmel, Keith Steck, Todd Wang, Chuang University of North Carolina Charlotte United States Department of Civil and Environmental Engineering University of North Carolina Charlotte United States North Carolina State University United States Department of Civil Construction and Environmental Engineering North Carolina State University United States Department of Science Education University of North Carolina Charlotte United States University of North Carolina Pembroke United States Department of Chemistry University of North Carolina Pembroke United States North Carolina A and T State University United States Pembroke NC United States Department of Chemical Engineering Energy and Environmental Ph.D. Program North Carolina Agricultural and Technical State University Greensboro NC United States Department of Biology University of North Carolina - Charlotte Charlotte NC United States Department of Educational Research University of North Carolina Charlotte United States

No abstract available

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Epileptic seizure detection

Epileptic seizure detection

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作者： Schuyler, Ronald White, Andrew Staley, Kevin Cios, Krzysztof J. Computational Bioscience Ph.D. Program UCDHSC United States University of Colorado United States American Epilepsy Society Society for Neuroscience United States Department of Neurology Massachusetts General Hospital Harvard Medical School United States Staley Lab. United States University of Colorado at Denver Health Sciences Center United States University of Colorado Bioenergetics Institute United States Data Mining and Bioinformatics Laboratory Turkey Polish Academy of Arts and Sciences Poland Dept. of Computer Science and Engineering University of Colorado at Denver Health Sciences Center P.O. Box 173364 Denver CO 80217-3364 United States

No abstract available

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Abstracts for the 6th Congress of Asian Sleep Research Society

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Sleep and Biological Rhythms 2009年第4期7卷 A1-A49页

作者： Seog Ju Kim In Kyoon Lyoo Yu-Jin Lee do-Un Jeong Hirohiko Kanai Masanori Ookubo Atsushi Yoshimura Masako Okawa Noto Yamada Takeshi Munezawa Yoshitaka Kaneita Yoneatsu Osaki Hideyuki Kanda Tadahiro Ohtsu Masumi Minowa Kenji Suzuki Susumu Hijuchi Hiroyuki Suzuki Takashi Ohida Takashi Abe Yoko Komada Shoichi Asaoka Yuichi Inoue Jin-Seong Lee Sang-Yong Cho deependra Kumar Hruda N. Mallick Velayudhan M. Kumar Mahesh K. Kaushik Akihiro Karashima Noiihiro Katayama Mitsuyuki Nakao Ravindra P. Nagendra Sathiamma Sulekha Sathyaprabha T. Narasappa Pradhan Nityanadan Bindu M. Kutty M. Nirmala P. N. Ravindra Basavaraj Ramappa Tubaki T. N. Sathyaprabha d. Sudhakar G. S. Lavekar C. R. Chandrashekar Kazuyoshi Kitaoka Mika Shimizu Sachiko Chikahisa Kazuo Yoshizaki Hiroyoshi Sei Jong-Won Kim Misa Takegami Shin Yamazaki Yasuaki Hayashino Rei Ono Koji Otani Miho Sekiguchi Shinichi Konno Shunichi Fukuhara Antonia J. Jakobson Paul Fitzgerald Russell Conduit Xin Shirley Li Siu Ping Joyce Lam Wai Man Mandy Yu Yun Kwok Wing Kazue Okamoto-Mizuno Koh Mizuno Mituaki Yamamoto Shuichiro Shirakawa Hirokazu doi Mikako Kato Kazuyuki Shinohara Masako Tamaki Shiori Matsuda Katsuo Yamazaki Tadao Hori Keiko Ogawa Kazumi Takahashi Kunio Kitahama Katuo Yamazaki Yoshimasa Koyama Kohei Shioda Yugo Ueda Yukiko Nakamura Clara Inoue Kazushige Goto Sunao Uchida Yuko Morita Yoshiko Honda Tohru Kodama Mari Hagihara Toru Nakajima Masato Saito Yoshihiko Koga Shinichiro Tanaka Hiroshi Yamadera Madoka Takahara Sachiko Suwa Minoru Onozuka Sadao Sato Fumiharu Togo Taiki Komatsu Takeshi Mitani Jongbae Choi Bin Zhang Taeko Sasai Hiromi Mitsubayashi Mitsuhiro Ohtsu Isao Hasegawa Tatsuya Ishii Akira Komori Asami Suzuki Yue Nakahara Mitsuyasu Hiroki Mariko Nakauma Nobuo Someya Tomomasa Ochiai Shouhei Komori Rayleigh Ping-Ying Chiang Zai-Ting Yeh Seong T. Kim Seung H. Yoon Jeong S. Kwon Jong H. Choi Hyung J. Ahn Youngsoo Kim Bolortuya Yunren Lichao Chen Radhika Basheer Robert W. Mccarley Robert E. Strecker Makoto Honda Tetsuaki Arai Miyuki Fukazawa Yutaka Honda Kuniaki T Department of Psychiatry Gachon University of Medicine and Science Incheon Republic of Korea Department of Psychiatry Seoul National University Seoul Republic of Korea Department of Neuropsychiatry and Center for Sleep and Chronobiology Seoul National University Hospital Seoul Republic of Korea Department of Neuropsychiatry Seoul National University Hospital Seoul Republic of Korea Seoul National University Hospital Seoul Republic of Korea Department of Psychiatry Shiga University of Medical Science Otsu Japan Division of Public Health Department of Social Medicine Nihon University School of Medicine Tokyo Japan Department of Public Health Nihon University School of Medicine Tokyo Japan Division of Environmental and Preventive Medicine Department of Social Medicine Faculty of Medicine Tottori University Yonago Japan Department of Hygiene and Preventive Medicine Fukushima Medical University Fukushima Japan Department of Public Health Showa University School of Medicine Tokyo Japan Faculty of Humanities Seitoku University Matsudo Japan Section on Behavioral Science Division of Clinical Research National Hospital Organization Kurihama Alcoholism Center Yokosuka Japan Department of Otolaryngology Second Hospital Fujita Health University Nagoya Japan National Hospital Organization Kurihama Alcoholism Center Kanagawa Japan Metropolitan Police Department Criminal Investigation Laboratory Tokyo Japan Japan Somnology Center Neuropsychiatrie Research Institute Tokyo Japan Department of Somnology Tokyo Medical University Tokyo Japan Japan Somnology Center Neuropsychiatric Research Institute Tokyo Japan Department of Somnology Tokyo Medical and Dental University Tokyo Japan Center for Sleep and Chronobiology Department of Psychiatry and Behavioral Science Seoul National University College of Medicine Seoul Republic of Korea Department of Psychiatry and Behavioral Science Center for Sleep and Chronobiology Seoul Republic of Korea Department of Physiology Al

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MOdELING ANd CONTROL OF ELEVATORS BY STATECHARTS

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Asian Journal of Control 2008年第2期6卷

作者： Yi-Sheng Huang Sheng-Luen Chung Mu-der Jeng Department of Aeronautical Engineering Chung Cheng Institute of Technology National Defense University Tashi Taoyuan 335 Taiwan R.O.C. Department of Electrical Engineering National Taiwan University of Science and Technology Taipei 106 Taiwan R.O.C. Department of Electrical Engineering National Taiwan Ocean University Kellung 202 Taiwan R.O.C. MuDer Jeng received the Ph.D. degree in computer and systems engineering from Rensselaer Polytechnic Institute Troy NY in 1992. Since August 1992 Dr. Jeng has been with National Taiwan Ocean University Keelung Taiwan where he is currently a full Professor at the Department of Electrical Engineering. His current research interests include Petri nets discrete event systems computer integrated manufacturing semiconductor factory automation embedded systems. Dr. Jeng is the author/co-author of over 120 book chapters journal papers and conference papers. Dr. Jeng received the Franklin V. Taylor Outstanding Paper Award from the IEEE Systems Man and Cybernetics Society in 1993. He was granted the Research Award by the National Science Council of Taiwan annually from 1994 to 2000. He is an Associate Editor for IEEE Transactions on Systems Man and Cybernetics-Part A IEEE Transactions on Robotics and Automation IEEE Transactions on Robotics and serves on the Editorial Board of International Journal of Computer Integrated Manufacturing. He has been a Guest Editor for eight leading journals. Dr. Jeng is the Chair of the Technical Committee on Discrete Event Systems of the IEEE SMC Society and the Founding Chair of the Technical Committee on Semiconductor Factory Automation of the IEEE Robotics and Automation Society. He served as the Exhibitions Chair of 2003 IEEE International Conference on Robotics and Automation and the Special Sessions Chair of 2004 IEEE International Conference on Networking Sensing and Control. He serves as a Program Co-Chair of 2005 IEEE International Conference on Networking Sensing and Control and the Organization Commit

Statechart has been utilized as a visual formalism for the modeling of complex and interactive systems for its illuminating features on describing properties of causality, concurrency, and synchronization. This paper presents the application of satechart to the modeling, design and implementation of an elevator system, whose system behavior involves aggregating complexity of state descriptions, and imposition of underlying control policy. Based on the operational flow of an elevator, we derive the associated statechart model by looking into the inherent hierarchical structure of the elevator. The advantage of the proposed approach is the clear presentation of system behavior in terms of conditions and events that cause the transitions in system dynamics. Implementation of the controlled elevator based on the modeled statechart is also presented.

关键词： Statechart interactive systems elevator

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Revisiting the South Cañon Number 1 Coal Mine fire during a geologic excursion from denver to Glenwood Springs, Colorado

GSA Field Guides

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GSA Field Guides 2007年 10卷 101-110页

作者： Stracher, Glenn B. Lindsley-Griffin, Nancy Griffin, John R. Renner, Steven Schroeder, Paul Viellenave, James H. Masalehdani, M. Naze-Nancy Kuenzer, Claudia Division of Science and Mathematics East Georgia College 131 College Circle Swainsboro GA 30401 United States Department of Geosciences University of Nebraska 214 Bessey Hall Lincoln NB 68588 United States Colorado Division of Minerals and Geology Inactive Mines Program 101 South 3rd Street Grand Junction CO 81501 United States Department of Geology University of Georgia 210 Field Street Athens GA 30602 United States Pinyon Environmental Engineering Resources Inc. 9600 West Jewell Avenue Lakewood CO 80232 United States Centre National de la Recherche Scientifique 8110 Processus et Bilans des Domaines Sédimentaires Université de Lille 1 59655 Villeneuve d'Ascq France Institute of Photogrammetry and Remote Sensing Vienna University of Technology Gusshausstrasse 27-29 A-1040 Wien Austria

The origin of the subsurface fire burning since 1910 in the South Cañon Number 1 Coal Mine west of Glenwood Springs, Colorado, is unknown. Surface manifestations of the fire include gas vents (some encrusted with minerals), burnt vegetation, subsidence features, ash, sulfur, and red-oxidized shale. The minerals tschermigite, mascagnite, and gypsum formed in association with coal-fire gas exhaled from a gas vent on the western slope of South Canyon. Tschermigite and gypsum are reaction products of the gas with feldspar grains in the Williams Fork Formation. Gas collected from a vent and from soil above a burn zone in former underground workings on the eastern slope of South Canyon was found to contain numerous hydrocarbons, including n-alkanes, iso-alkanes, cyclo-alkanes, alkyl aromatics, alkenes, ketones, ethers, and a number of other volatile organic compounds, as well as sulfur compounds. drill casings currently present in voids in the d coal seam on the western slope trail are useful for collecting gas samples, monitoring the temperature of subsurface burning, and measuring the concentration of gases, such as carbon monoxide and carbon dioxide, in the field. The likely success of conventional fire-containment methodologies in South Canyon is questionable, although additional studies includingdrilling data may eventually suggest a useful control procedure. The 2002 "Coal Seam Fire" that burned over 12,000 acres and destroyed numerous buildings in and around Glenwood Springs exemplifies the potential danger an underground coal fire poses for igniting a surface fire. Coal-fire gas and the solid by-products of combustion contribute to the destruction of floral and faunal habitats and may be responsible for a variety of human diseases;hence, the study of coal gas and its by-products may prove useful in understanding environmental pollution created by coal-mine fires. © 2007 The Geological Society of America. All rights reserved.

关键词： Coal mines

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