Results 261 to 270 of about 1,018,840 (301)
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The Journal of Chemical Physics, 2001
We present calculations on the sticking of hyperthermal HCl to the basal plane (0001) face of ice Ih at normal and off-normal incidence. The dependence of the sticking probability on the incidence energy (Ei), the angle of incidence (θi), and the surface temperature (Ts) is discussed. Two sticking mechanisms are observed. For θi⩽30°, penetration of the
A. Al-Halabi, A. W. Kleyn, G. J. Kroes
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We present calculations on the sticking of hyperthermal HCl to the basal plane (0001) face of ice Ih at normal and off-normal incidence. The dependence of the sticking probability on the incidence energy (Ei), the angle of incidence (θi), and the surface temperature (Ts) is discussed. Two sticking mechanisms are observed. For θi⩽30°, penetration of the
A. Al-Halabi, A. W. Kleyn, G. J. Kroes
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Incident Energy of Arc Flash and Body Surface Area
2021 IEEE Industry Applications Society Annual Meeting (IAS), 2021The empirical model of IEEE Standard 1584 defines Arc Flash incident energy and arc-flash boundary. This paper assumes as reference the empirical model that compares with the spherical model of the incident energy emission and classifies the deviations. The new approach allows a physical approach to the phenomenon, to identify characteristic parameters
Parise, Giuseppe +2 more
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An Enhanced Method of Incident Energy Measurement
2018 IEEE IAS Electrical Safety Workshop (ESW), 2018Incident energy ratings of arc flash personal protective equipment are based on standard test methodology described in well-established industry tests. The generated arc primarily subjects test specimens to incident energy due primarily to radiation. However, an actual arc flash may include an ejected arc where there is a higher degree of convective ...
Joseph Potvin, Tom Short
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Grey incidence analysis of energy utilization efficiency
2007 IEEE International Conference on Grey Systems and Intelligent Services, 2007Energy problem is universally concerned all over the world. Over the years, as China paid more attention on energy problem seriously, China's energy consumption per unit GDP has decreased continually, but there is still a big gap between China and the developed countries, especially in the last five years, energy consumption per unit GDP fell slowly ...
null Chen Yan-hui +3 more
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2011
The Energy Incident Data Base (EIDB) is concerned solely with the activities of sub-national actors directed against government and private sector energy enterprises worldwide. It is unclassified and its contents are drawn from a wide array of sources developed over more than 35 years of monitoring and analyzing these activities.
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The Energy Incident Data Base (EIDB) is concerned solely with the activities of sub-national actors directed against government and private sector energy enterprises worldwide. It is unclassified and its contents are drawn from a wide array of sources developed over more than 35 years of monitoring and analyzing these activities.
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Incident beam effects in medium-energy backscattered electron diffraction
Physical Review B, 1987We have examined the angular distributions of medium-energy (500--1500 eV) elastically backscattered electrons from bulk Cu(001) and Ni(001) crystals and from pseudomorphic Cu on Ni(001). The observed diffraction features are largely governed by forward scattering of the outgoing electrons, and incoming beam scattering appears to play a relatively ...
, Chambers, , Vitomirov, , Weaver
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Estimating the Incidence Energy
2013Bounds for the incidence energy of connected bipartite graphs were recently reported. We now extend these results to connected non-bipartite graphs. In addition, these bounds are generalized so as to apply to the sum of alpha-th powers of signless Laplacian eigenvalues, for any real alpha.
Bozkurt, S. Burcu, Gutman, Ivan
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Incident-energy dependence of electron-ion collision cross sections
Physical Review A, 1988It is shown that the dependence of electron-impact cross sections sigma for the excitation of ions on the incident energy T can be represented by compact expressions for a wide range of T from thresholds to 10 keV. These expressions are sigmaT = A lnT+B+C/T+D lnT/T for dipole- and spin-allowed transitions, sigmaT = A+B/T+C/T/sup 2/+D/T/sup 3/ for ...
, Kim, , Desclaux
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Arc-Flash Incident Energy Reduction Using Zone Selective Interlocking
IEEE Transactions on Industry Applications, 2008As a result of new requirements in NFPA 70E, many facilities are performing arc-flash hazard analyses to better understand how to protect personnel from the possibility of being injured in an arc-flash incident. In many cases in the petrochemical industry, it is unsafe or not practical to shut down electrical equipment to do work.
Donna Lee Hodgson, David Shipp
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The Interregional Incidence of Energy-Production Taxes
International Regional Science Review, 1984A general equilibrium model of international trade with pure intermediate goods is adapted to analyze the interregional incidence of a severance tax. The effects of a small increase in a production tax on an intermediate good are not a priori predictable. In fact, outputs of final goods, factor rewards, and the commodity price ratio can move in either
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