Helium

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Helium is the chemical element with atomic number 2 and an atomic weight of 4.002602, which is represented by the symbol He. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas that heads the noble gas group in the periodic table. Its boiling and melting points are the lowest among the elements and it exists only as a gas except in extreme conditions. (Wikipedia.org)






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2018 15th International Workshop on Variable Structure Systems (VSS)

Theory of sliding mode control and observation:Higher order sliding modeChattering analysisDiscrete time sliding modeAdaptive sliding modeSliding mode based fault detectionNetworked control systemsApplication of sliding mode control and observation in the fields of:Automotive systemsHydraulic/pneumatic systemsElectric drives and actuatorsPower electronicsMulti-agent systemsMobile robotsProcess industry


2018 27th International Conference on Computer Communication and Networks (ICCCN)

Communications and Networks, Communication and Information Theory, Optical Networking, Networking for Sustainability and Energy Efficiency, Network Science and Social Networks, Internet Services and Applications, Multimedia, QoS and Traffic Modeling, Network Architecture and Clean-Slate Designs, Grid and Cloud Computing, Cognitive Radio Networks, Network Algorithms and Performance Evaluation, Security/Privacy/Trust, Sensor Networks/Embedded Systems/Pervasive Computing, Wireless Ad Hoc and Mesh Networks, Wireless LAN/Cellular/Heterogeneous Networks, Wireless Communication.


2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)

The conference program will consist of plenary lectures, symposia, workshops and invitedsessions of the latest significant findings and developments in all the major fields of biomedical engineering.Submitted papers will be peer reviewed. Accepted high quality papers will be presented in oral and postersessions, will appear in the Conference Proceedings and will be indexed in PubMed/MEDLINE


2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz2018)

Covering terahertz, far infrared and millimeter wave science, technology and applications


2018 Asia-Pacific Microwave Conference (APMC)

The conference topics include microwave theory and techniques, and their related technologies and applications. They also include active devices and circuits, passive components, wireless systems, EMC and EMI, wireless power transfer and energy harvesting, antennas and propagation, and others.


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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, applied optics, and millimeter and submillimeter wave techniques.


Applied Superconductivity, IEEE Transactions on

Contains articles on the applications and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Power applications include magnet design as well asmotors, generators, and power transmission


Audio, Speech, and Language Processing, IEEE Transactions on

Speech analysis, synthesis, coding speech recognition, speaker recognition, language modeling, speech production and perception, speech enhancement. In audio, transducers, room acoustics, active sound control, human audition, analysis/synthesis/coding of music, and consumer audio. (8) (IEEE Guide for Authors) The scope for the proposed transactions includes SPEECH PROCESSING - Transmission and storage of Speech signals; speech coding; speech enhancement and noise reduction; ...


Automatic Control, IEEE Transactions on

The theory, design and application of Control Systems. It shall encompass components, and the integration of these components, as are necessary for the construction of such systems. The word `systems' as used herein shall be interpreted to include physical, biological, organizational and other entities and combinations thereof, which can be represented through a mathematical symbolism. The Field of Interest: shall ...


Biomedical Engineering, IEEE Transactions on

Broad coverage of concepts and methods of the physical and engineering sciences applied in biology and medicine, ranging from formalized mathematical theory through experimental science and technological development to practical clinical applications.


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Xplore Articles related to Helium

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New characterizations of 2D discrete cosine transform

[{u'author_order': 1, u'affiliation': u'Dept. of Comput. Sci., Alaska Univ., Fairbanks, AK, USA', u'full_name': u'S. Bique'}] IEEE Transactions on Computers, 2005

We introduce a function to specify the transform coefficients. We state, prove, and apply useful rules. Our combination of two algorithms is unique. We describe an implementation for an 8×8 DCT that performs a total of 1,424 operations at a rate of 178 operations per clock cycle, which is approximately twice as fast as a unified algorithm on a serial-parallel ...


The Design and Analysis of BucketSort for Bubble Memory Secondary Storage

[{u'author_order': 1, u'affiliation': u'IBM Palo Alto Scientific Center', u'full_name': u'E. E. Lindstrom'}, {u'author_order': 2, u'full_name': u'J. S. Vitter'}] IEEE Transactions on Computers, 1985

BucketSort is a new external sorting algorithm for very large files that is a substantial improvement over merge sorting with disks. BucketSort requires an associative secondary storage device, which can be realized by large disk drives with logic-per-track capabilities or by magnetic bubble memory (MBM). This paper describes and analyzes a hypothetical Bucket-Sort implementation that uses bubble memory. A new ...


Starting Manufacture of the ITER Central Solenoid

[{u'author_order': 1, u'affiliation': u'International Thermonuclear Experimental Reactor (ITER) Organization, St.-Paul-lès-Durance Cedex, France', u'full_name': u'P. Libeyre'}, {u'author_order': 2, u'affiliation': u'International Thermonuclear Experimental Reactor (ITER) Organization, St.-Paul-lès-Durance Cedex, France', u'full_name': u'C. Cormany'}, {u'author_order': 3, u'affiliation': u'International Thermonuclear Experimental Reactor (ITER) Organization, St.-Paul-lès-Durance Cedex, France', u'full_name': u'N. Dolgetta'}, {u'author_order': 4, u'affiliation': u'International Thermonuclear Experimental Reactor (ITER) Organization, St.-Paul-lès-Durance Cedex, France', u'full_name': u'E. Gaxiola'}, {u'author_order': 5, u'affiliation': u'International Thermonuclear Experimental Reactor (ITER) Organization, St.-Paul-lès-Durance Cedex, France', u'full_name': u'C. Jong'}, {u'author_order': 6, u'affiliation': u'International Thermonuclear Experimental Reactor (ITER) Organization, St.-Paul-lès-Durance Cedex, France', u'full_name': u'C. Lyraud'}, {u'author_order': 7, u'affiliation': u'International Thermonuclear Experimental Reactor (ITER) Organization, St.-Paul-lès-Durance Cedex, France', u'full_name': u'N. Mitchell'}, {u'author_order': 8, u'affiliation': u'International Thermonuclear Experimental Reactor (ITER) Organization, St.-Paul-lès-Durance Cedex, France', u'full_name': u'J. Y. Journeaux'}, {u'author_order': 9, u'affiliation': u'International Thermonuclear Experimental Reactor (ITER) Organization, St.-Paul-lès-Durance Cedex, France', u'full_name': u'T. Vollmann'}, {u'author_order': 10, u'affiliation': u'International Thermonuclear Experimental Reactor (ITER) Organization, St.-Paul-lès-Durance Cedex, France', u'full_name': u'D. Evans'}, {u'author_order': 11, u'affiliation': u'Conseil Européen pour la Recherche Nucléaire (CERN), Geneva, Switzerland', u'full_name': u'S. Sgobba'}, {u'author_order': 12, u'affiliation': u'Conseil Européen pour la Recherche Nucléaire (CERN), Geneva, Switzerland', u'full_name': u'S. Langeslag'}, {u'author_order': 13, u'affiliation': u'US ITER Project Office, Oak Ridge, TN, USA', u'full_name': u'W. Reiersen'}, {u'author_order': 14, u'affiliation': u'US ITER Project Office, Oak Ridge, TN, USA', u'full_name': u'N. Martovetsky'}, {u'author_order': 15, u'affiliation': u'US ITER Project Office, Oak Ridge, TN, USA', u'full_name': u'D. Everitt'}, {u'author_order': 16, u'affiliation': u'US ITER Project Office, Oak Ridge, TN, USA', u'full_name': u'D. Hatfield'}, {u'author_order': 17, u'affiliation': u'US ITER Project Office, Oak Ridge, TN, USA', u'full_name': u'P. Rosenblad'}, {u'author_order': 18, u'affiliation': u'US ITER Project Office, Oak Ridge, TN, USA', u'full_name': u'S. Litherland'}, {u'author_order': 19, u'affiliation': u'US ITER Project Office, Oak Ridge, TN, USA', u'full_name': u'K. Freudenberg'}, {u'author_order': 20, u'affiliation': u'US ITER Project Office, Oak Ridge, TN, USA', u'full_name': u'L. Myatt'}, {u'author_order': 21, u'affiliation': u'General Atomics, San Diego, CA, USA', u'full_name': u'J. Smith'}, {u'author_order': 22, u'affiliation': u'Petersen, Ogden, UT, USA', u'full_name': u'C. Brazelton'}, {u'author_order': 23, u'affiliation': u'Major Tool & Machine, Indianapolis, IN, USA', u'full_name': u'R. Abbott'}, {u'author_order': 24, u'affiliation': u'PCC, York, PA, USA', u'full_name': u'J. Daubert'}, {u'author_order': 25, u'affiliation': u'Scot Forge, Spring Grove, IL, USA', u'full_name': u'K. Rackers'}, {u'author_order': 26, u'affiliation': u'Kind, Gummersbach, Germany', u'full_name': u'T. Nentwich'}] IEEE Transactions on Applied Superconductivity, 2016

The central solenoid (CS) is a key component of the ITER magnet system to provide the magnetic flux swing required to drive induced plasma current up to 15 MA. The manufacture of its different subcomponents has now started, following completion of the design analyses and achievement of the qualification of the manufacturing procedures. A comprehensive set of analyses has been ...


Parsing Chinese Questions Based on Conceptual Network

[{u'author_order': 1, u'affiliation': u'Research Center of Integrated Information System, Institute of Automation, CAS, Renhe168@gmail.com', u'full_name': u'Ren He'}, {u'author_order': 2, u'affiliation': u'Research Center of Integrated Information System, Institute of Automation, CAS', u'full_name': u'Zeng Jun-fang'}, {u'author_order': 3, u'affiliation': u'Research Center of Integrated Information System, Institute of Automation, CAS', u'full_name': u'Yang Yi-ping'}] 2006 5th IEEE International Conference on Cognitive Informatics, None

We present a new approach to analyze Chinese questions based on a semantic knowledge base called conceptual network (ConNet). ConNet is composed of concepts, each of which describes the meaning of a Chinese word. Since there are no word boundaries in Chinese, we firstly segment each question into words, and then transform all the words into an ordered concept list. ...


Robust classifiers by mixed adaptation

[{u'author_order': 1, u'affiliation': u'California Univ., Irvine, CA, USA', u'full_name': u'D. Gutfinger'}, {u'author_order': 2, u'affiliation': u'California Univ., Irvine, CA, USA', u'full_name': u'J. Sklansky'}] IEEE Transactions on Pattern Analysis and Machine Intelligence, 1991

The production of robust classifiers by combining supervised training with unsupervised training is discussed. A supervised training phase exploits statistically scene invariant labeled data to produce an initial classifier. This is followed by an unsupervised training phase that exploits clustering properties of unlabeled data. This two-phase process is termed mixed adaptation. A probabilistic model supporting this technique is presented along ...


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  • Cryogenics

    This chapter discusses ways of cooling detectors, some associated calculations, measuring the temperatures, and the safety hazards. Work at low temperatures require calculations of the time required for components to cool, the ultimate temperature they will reach, and the amount of cryogen used in the cooling process. The chapter also discusses the thermal properties and how the required calculations are done. Conduction from room temperature into the cryogen is minimized by using supports with the smallest possible cross section and as long as possible. The measurement of temperatures is an important part of cryogenics. Several potential safety hazards exist when working with cryogens, but simple precautions are available to protect against all of them. If miniature gas lines (used to supply gaseous nitrogen to open‐cycle refrigerators) should break while under pressure, they can whip around, causing serious cuts or eye damage.



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