Secondary emission
Secondary Emission Signals in Plasma Above the Laser Beam Affected Zone during a Vacuum Laser Welding
... of secondary-emission signals in the laser-welding zone in vacuum were carried out on a laser-welding machine ALFA-300 equipped with a process chamber that was evacuated by a vacuum sliding vane rotary pump ...
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Effect of Electron and/or Ion Nonthermality on Dust Acoustic Wave Propagation in a Complex Plasma in Presence of Positively Charged Dust Grains Generated by Secondary Electron Emission Process
... Dusty plasma has become a challenging field of plasma research since early nineties of the last century after detection of dust particles in different satellite observations. In space environment enormous amount of ...
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Two-dimensional modeling of the electrical breakdown in rare gases
... 0.032 0.78 2 (4) With the potential energy of the incidental particle (ion), the work function of the solid, table 1 shows the values of secondary emission coefficient ( ) in argon and helium discharges ...
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Faraday cup monitor for the Iowa State College synchrotron electron beam
... is secondary emission ...the secondary emission monitor against the Faraday cup are ...the secondary emission monitor is portable, it is an adaptable instrument for the absolute ...
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Computer simulation of electron transport in solids with applications to materials analysis and characterization
... of secondary electrons [67, 71, 44, 40, 41, 42, 73, ...a secondary electron due to Fermi sea excitation is as- sumed to be where the inelastic collision took ...of secondary elec- trons are ...
217
Electrostatic charging of spacecraft in geosynchronous orbit
... Although the sample is a flat sheet of gold, its dimension is much less than the diameter of the vacuum chamber, therefore at high negative potentials, the equipotential contours far from the target will resemble those ...
168
Development of Nanostructures by Atomic and Molecular Layer Deposition
... Figure 1.13. Borosilicate glass microcapillary array functionalized using ALD. Film resistance can be tailored to suit the application. Materials with high stable secondary emission pro[r] ...
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Filtering of the interstellar dust flow near the heliopause: the importance of secondary electron emission for the grain charging
... the secondary electron emission from a sphere to estimate the electric charge of dust streaming from the VLISM to the ...photoelectron emission, sticking of plasma particles, and secondary ...
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A new oxidation flow reactor for measuring secondary aerosol formation of rapidly changing emission sources
... changing emission source in real time be- cause of the short residence ...the secondary aerosol formation potential is highly dependent on the driv- ing ...changing emission sources such as vehicular ...
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Damage Evaluation in Lithium Cobalt Oxide/Carbon Electrodes of Secondary Battery by Acoustic Emission Monitoring
... lithium cobalt oxide / carbon electrodes was used for acoustic monitoring during accelerated charge / discharge cycle test. A number of AE signals were successfully detected during charge / discharge. Microstructural ...
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Influence of Deuterium Retention on Secondary Electron Emission from Graphite under Deuterium Plasma Exposure
... The influence of deuterium retention on the electron-impact secondary electron emission (SEE) is studied in isotropic graphite (ETU-10). The ETU-10 surface sheath voltage and its deuterium retention under ...
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Assessing the climate change impacts of biogenic carbon in buildings: a critical review of two main dynamic approaches
... Fifty-eight articles on Category 4 approaches were compared to identify the ones best suited to include time considerations in the LCIA of biogenic carbon in building LCA. The 58 articles were grouped in 20 different ...
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Experimental Analysis of Secondary Air Injection in Lower CC Engine
... of secondary air injection system which is a major factor in reducing and controlling HC, CO and NOx ...The secondary air injection system was set up on single cylinder air cooled 4 stroke 110CC ...
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Observations of three pre cataclysmic variables from the Edinburgh Cape blue object survey
... star being irradiated by a hot white dwarf) or ellipsoidal varia- tion (two maxima per orbit due to the deformed secondary star). We employed the R-C spectrograph and grating KPGL3 with a 1.0 slit to yield a ...
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Characterization of Influenza H5N1 Nucleocapsid Protein for Potential Vaccine Design
... of secondary structure) and normalized tryptophan fluorescence emission intensity (one indicator of tertiary structure) suggested that the addition of salt may decrease the stability of the local ...
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The GOSSIP on the MCV V347 Pav
... cyclotron emission from MCVs is to calculate the viewing angle, ...the emission point on the white dwarf, the viewing angle was obtained for different phases of the spin ...such emission points as a ...
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Structural Interchange Of Mg And Zno In Mg Doped Zno At Different Temperatures And Its Influences In The Structural, Spectral, Morphological, Compositional And Optical Properties
... replaces the Zn 2+ ions in the lattice site. The band gap of the Mg doped ZnO can be used as electron blocking layer to reduce electron overflow at higher current density and hence the gap can be varied between 3.37 eV ...
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Quantification of eutrophic aerial compounds in Galicia (NW Spain): Part 1 - NH3 inventory
... local emission factors available (on Spanish level for livestock and Region B level for fertilizers) were ...specific emission factors (especially for cattle, broilers and urea) that provide a better ...
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Luminescent studies of rare earths doped SrS phosphor
... 470nm followed by a broad emission with a peaking 600nm. For the SrS: Eu,Ce,Ga phosphors, the average crystallite size from both the peaks are 63.68nm and 51.39nm, This phosphor SrS:Eu,Ce,Ga can be considered as ...
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ULTRACAM photometry of the ultracompact binaries V407 Vul and HM Cnc
... It has proved hard to decide which, if any, of the models is correct. Compared to typical accreting systems, HM Cnc has a weak optical line emission, while V407 Vul has none at all. This favours the unipolar ...
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