与 «BACK EMISSION»相关的英语书籍
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back emission的用法。与
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1
Accelerating Computed Tomography on Commodity Graphics Hardware
... (2.21) The new (back) emission eb is calculated by adding the previous back
emission eb to the newly interpolated front emission ef . But before it is added it
must be attenuated by the interpolated transparency tf at this point.
2
Thermionic Energy Conversion and Particle Detection Using ...
In general, two issues affect the electron transport: back emission and space
charge. Back emission is thermionic electron emission from the collector to the
emitter. Since the total current of a TEC is the sum of the forward and back
emission, ...
3
Pollution and Policy: A Case Essay on California and Federal ...
1975; idem, "State under EPA Pressure to Roll Back Emission Rules," Los
Angeles Times, 6 March 1975. 86. Fisher, "Auto Makers to Be Given Year's Delay
." See also idem, "State under EPA Pressure to Roll Back Emission Rules." 87.
James E. Krier, Edmund Ursin,
1977
4
Distributed Feedback Semiconductor Lasers
One way of increasing the power output from a laser is to change from using a
symmetric device, which usually wastes power by radiating equally from both
facets. A high front-to-back emission ratio can concentrate the power where
required ...
John E. Carroll, James Whiteaway, Dick Plumb,
1998
5
Many-Particle Spectroscopy of Atoms, Molecules, Clusters, ...
... correlation factor (see figure 3b). The angular factor reflects the symmetries of
photoionization and the dipole selection rules. The selection rules14 give rise to
a node in the cross section for back to back emission of both ejected electrons ft ...
J. Berakdar, J. Kirschner,
2001
6
Two- and Three-particle Jet-like Correlations
By increasing the trigger particle pT one can probe different relative strengths of
conical emission and back-to- back emission. Also correlations with higher pT
trigger benefit from an increased signal to noise ratio due to an increase in the ...
Jason Glyndwr Ulery,
2007
7
Principles and Techniques of Biochemistry and Molecular Biology
This phenomenon is frequently described as back-to-back emission. As a result
of positron emission the nucleus loses a proton and gains a neutron, the mass
number stays the same. An example of an isotope decaying by positron emission
is ...
Keith Wilson, John Walker,
2010
8
Optoelectronic Devices: III-nitrides
g. CL A on GaN substrate • on sapphire 100 200 300 Injection Current (mA) 400
Figure 9.13. Comparison of output powers of the 340-nm LED grown on GaN
substrate (triangles) and on sapphire (squares) in cw mode. 9.6.2 Back-emission
...
9
Fragmentation Processes: Topics in Atomic and Molecular Physics
1.20 are due to the finite experimental resolution. These experimental findings
have been subsequently well reproduced by theoretical ab initio calculations [
181]. It is interesting to observe that in the direct DPI the back-to-back emission of
two ...
10
Tests of Fundamental Laws in Physics: Proceedings of the ...
The 620 and 810 keV lines appear to be caused by back-to-back emission
according to both the EPOS and ORANGE experiments. The 750 keV line in U+
Ta could be forward correlated. • The difference-energy spectra exhibit a broad
peak ...
Orrin Fackler, J. Thanh Van Tran,
1989
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Dutch court says gov't must back emission cuts
Urgenda Foundation lawyer Roger Cox, right, proposes a toast on the steps of the courthouse in a scene setup by TV in The Hague on ... «Saskatoon StarPhoenix, 六月 15»
Ensuring city air is safe
The Department of Health tracks hourly pollutant levels through its monitoring stations and can alert the public if they need to cut back emission ... «Hoover Sun, 六月 15»
Obama spits out 'hot' new executive order
The order requires federal agencies to cut back emission of perceived greenhouse gases by 40 percent of 2008 levels. Obama's also ... «WND.com, 三月 15»
Australia and Canada are leading the wreckers at Warsaw
Russia is trying to get back emission credits that were eliminated by the agreement at the last Climate Summit at Doha. Russia earned many ... «The Conversation, 十一月 13»
Ask Umbra on flatulence and climate change
Another way to cut back emission-wise is flying. Cabin pressure puts unusual pressure on the intestines, often leading to an unfriendly skies ... «Grist Magazine, 三月 11»