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)






Conferences related to Helium

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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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Dielectric Properties of Cryogenic Liquids

[{u'author_order': 1, u'affiliation': u'Research and Development Center, General Electric Company, Schenectady, N. Y.', u'full_name': u'Kenneth N. Mathes'}] IEEE Transactions on Electrical Insulation, 1967

Electric-breakdown measurements at 60 Hz have been made with cryogenic liquids-nitrogen, hydrogen, and helium. All of the cryogenic liquids have higher breakdown voltages than conventional transformer oil, except liquid helium which breaks down at a considerably lower voltage. The measured values of dielectric constant for the cryogenic liquids agree quite well with the published literature. The dissipation factor of the ...


Neural classifiers using one-time updating

[{u'author_order': 1, u'affiliation': u'Dept. of Appl. Inf., Univ. of Macedonia, Thessaloniki, Greece', u'full_name': u'K. I. Diamantaras'}, {u'author_order': 2, u'full_name': u'M. G. Strintzis'}] IEEE Transactions on Neural Networks, 1998

The linear threshold element, or perceptron, is a linear classifier with limited capabilities due to the problems arising when the input pattern set is linearly nonseparable. Assuming that the patterns are presented in a sequential fashion, we derive a theory for the detection of linear nonseparability as soon as it appears in the pattern set. This theory is based on ...


The space-time-averaging procedure and modeling of the RF discharge II. Model of collisional low-pressure RF discharge

[{u'author_order': 1, u'affiliation': u'Phys. Tech. Dept., Leningrad State Tech. Univ., St. Petersburg, Russia', u'full_name': u'I. D. Kaganovich'}, {u'author_order': 2, u'affiliation': u'Phys. Tech. Dept., Leningrad State Tech. Univ., St. Petersburg, Russia', u'full_name': u'L. D. Tsendin'}] IEEE Transactions on Plasma Science, 1992

For pt.I see ibid., vol.19, p.130-40 (1991). A self-consistent equations system for the low-pressure RF discharge is formulated and qualitatively analyzed. If the plasma and sheath dimensions exceed the electron-energy relaxation length, a simple spatially averaged kinetic equation can be derived that resembles the conventional one for the local case. Since the energy- diffusion coefficient for the slow electrons that ...


Associative Algebraic Structures in the Set of Boolean Functions and Some Applications in Automata Theory

[{u'author_order': 1, u'full_name': u'C. Reischer'}, {u'author_order': 2, u'full_name': u'D. A. Simovici'}] IEEE Transactions on Computers, 1971

A class of linear algebraic structures over the set of Boolean functions is presented. Afterwards, from these structures a new one is studied--the right- weak algebra. By using the properties of this algebra, some new results are established about the commutativity of the superposition, the ideals, the annulators, and the properties of the iteration.


Contribution and control of neutral gas absorption effects in the plasma doping of boron into Si

[{u'author_order': 1, u'affiliation': u'Interdisciplinary Graduate Sch. of Sci. & Eng., Tokyo Inst. of Technol., Japan', u'full_name': u'K. Tsutsui'}, {u'author_order': 2, u'affiliation': u'Interdisciplinary Graduate Sch. of Sci. & Eng., Tokyo Inst. of Technol., Japan', u'full_name': u'R. Higaki'}, {u'author_order': 3, u'full_name': u'Y. Sasaki'}, {u'author_order': 4, u'full_name': u'T. Sato'}, {u'author_order': 5, u'full_name': u'H. Tamura'}, {u'author_order': 6, u'full_name': u'B. Mizuno'}, {u'author_order': 7, u'full_name': u'H. Iwai'}] Junction Technology, 2004. IWJT '04. The Fourth International Workshop on, None

In the low energy plasma doping process, the contribution of not only ionized species but also neutral species to the doping process should be considered. In order to investigate such a contribution, the experiments of gas phase doping combined with Ar or He plasma pre-treatment were carried out. Gas phase impurity absorption should be affected by surface condition of Si ...


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eLearning

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IEEE-USA E-Books

  • 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.

  • Terrestrial Radiation Fields

    Chapter 2 summarises terrestrial radiation sources including radiation originated from cosmic rays and radiation from radioisotopes that have natural abundance. Radioisotopes released from the Fukushima Daiichi nuclear power plants by severe accident are included. Their energy spectra are also summarised.



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