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Scandia <angiosperm>

Known as: Scandia 
 
National Institutes of Health

Topic mentions per year

Topic mentions per year

1964-2018
024619642018

Papers overview

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2016
2016
Investigation of Nanosized-Scandia-Doped Dispenser Cathodes With Machined Surfaces
Since the cathodes with machined surfaces are required for the practical applications in some high-power vacuum electron devices… (More)
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2014
2014
DC Emission Characteristic of Nanosized-Scandia-Doped Impregnated Dispenser Cathodes
To meet the requirements for advanced vacuum electron devices and modern electron beam instruments, dc emission properties of… (More)
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2012
2012
Scandate Dispenser Cathode Fabrication for A High-Aspect-Ratio High-Current-Density Sheet Beam Electron Gun
A high-current-density scandate tungsten dispenser cathode was used for the demonstration of a 25 : 1-aspect-ratio 750-A/cm2… (More)
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2011
2011
Emission Characteristics of Nanosized Scandia-Doped Dispenser Cathodes in Open Electron-Gun Structures
The emission properties of nanosized scandia-doped dispenser cathodes tested in open-structure Pierce electron guns are reported… (More)
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2009
2009
Development of High-Current Sheet Beam Cathodes for Terahertz Sources
Generation of a sheet beam directly from a scandia-doped dispenser cathode has been investigated and optimized by means of beam… (More)
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2009
2009
A Study of Scandia-Doped Pressed Cathodes
Scandia (Sc)-doped pressed cathodes were prepared by different methods, including mixing of scandium oxide and barium-calcium… (More)
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2007
2007
Emission Mechanism of High Current Density Thermionic Cathodes
Summary form only given. In this paper, the research on the emission performance and the nonuniform emission of M-type cathode… (More)
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2006
2006
Recent Developments in Scandia-Doped Dispenser Cathodes
We measured SDDCs emission property and made comparison with impregnated scandate (I-Sc). A reasonable explanation on abnormal… (More)
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2001
2001
The ratio of NPP to GPP: evidence of change over the course of stand development.
Using Scots pine (Pinus sylvestris L.) in Fenno-Scandia as a case study, we investigate whether net primary production (NPP) and… (More)
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1979
1979
Breeding Systems and the Evolution of Dioecy in New Zealand Apioid Umbelliferae.
  • Clair Webb
  • Evolution; international journal of organic…
  • 1979
Darwin (1877) restricted Linnaeus' term polygamous to species with hermaphrodite, male, and female plants or hermaphrodite, male… (More)
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