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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Proper orientations and proper orientation number
正确取向数 MAD（G） 图论
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2023/4/27
The proper orientation number \Vec{\chi}(G) of a graph G is the minimum k such that there exists an orientation of the edges of G with all vertex-outdegrees at most k and such that for any adjacent ve...
ACCURATELY CALCULATING THE SOLAR ORIENTATION OF THE TIANGONG-2 ULTRAVIOLET FORWARD SPECTROMETER
TianGong-2 Ultraviolet Forward Spectrometer Solar Orientation Azimuth Angle Attitude Angle Coordinate System
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2018/5/15
The Ultraviolet Forward Spectrometer is a new type of spectrometer for monitoring the vertical distribution of atmospheric trace gases in the global middle atmosphere. It is on the TianGong-2 space la...
Excitation Transport and Trapping in a Synthetic Chlorophyllide Substituted Hemoglobin:The Orientation of the Chlorophyll S1 Transition Dipole
Excitation Transport Synthetic Chlorophyllide Substituted Hemoglobin Chlorophyll S1 Transition Dipole
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2016/5/20
Excitation transport in synthetic zinc chlorophyllide substituted hemoglobin has been observed by picosecond time-resolved fluorescence depolarization experiments.In this hybrid molecular system, two ...
Dependence of the Yield of a Radical-Pair Reaction in the Solid State on Orientation in a Magnetic Field
Radical-Pair Reaction Solid State on Orientation Magnetic Field
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2016/5/20
We report the observation that the yield of a radical-pair reaction in the solid state can depend strongly on the orientation of the reactants in a magnetic field. This phenomenon is expected to be qu...
ORIENTATION AND PROCESSING OF AIRBORNE LASER SCANNING DATA (OPALS) - CONCEPT AND FIRST RESULTS OF A COMPREHENSIVE ALS SOFTWARE
LIDAR ALS processing software automatic workfl ow data administration
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2016/2/29
Since the mid-1990s, the Institute of Photogrammetry and Remote Sensing (I.P.F.) is engaged in Airborne Laser Scanning (ALS) in
research and development. Scientific contributions have been made...
AN INVESTIGATION INTO IMAGE ORIENTATION USING LINEAR FEATURES
Exterior orientation parameters (EOP) Linear features Collinearity equations
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2015/9/28
At present all commercially available digital photogrammetric software products are utilizing points to solve the
problem of image orientation. Photogrammetry based on linear features is still at th...
ORIENTATION SPECTRUM ALGORITHM DEVELOPMENT
Shape Analysis Mathematical Morphology Maragos Pattern Spectra
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2015/5/21
A morphological orientation spectra is proposed. This spectrum describes basic directions of shape parts. Fast discrete-continuous
algorithm for computing orientation spectrum is presented. It is bas...
Changes in the mutual orientation of tRNA and 23S rRNA at the peptidyl transferase center of the ribosome detected by crosslinking of a photoreactive transition-state analog
Amino acids dynamic interaction ribosomes peptide bonds peptidyl transferase ribosomes
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2014/12/11
Dynamic interactions between the amino acid acceptor end of tRNA and the ribosome underlie the synthesis of successive peptide bonds at the peptidyl transferase center (PTC) of the 50S ribosomal subun...
Investigation Of The Orientation Dependence On Chiroptical Properties Of Single Molecules
chiral dipole emission fluorescence single molecule
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2014/11/20
Optical activity is the defining property of chiral materials that is essential for characterization in biology, chemistry, and physics. While a substantial body of research has provided a strong theo...
New knowledge in determining the astronomical orientation of Incas object in Ollantaytambo, Peru
Ollantaytambo astronomical orientation astronomical azimuth Pyramids Pacaritanpu archeoastronomy Peru
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2014/7/30
This paper deals about astronomical orientation of Incas objects in Ollantaytambo, which is located about 35 km southeast from Machu Picchu, about 40 km northwest from Cusco, and lies in the Urubamba ...
Unphysical artifacts are responsible for molecular orientation with half-cycle pulses
Unphysical artifacts molecular orientation half-cycle pulses Chemical Physics
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2012/5/31
Sub-cycle electromagnetic pulses in the Terahertz region are considered to be one of the best ways to orient molecules. The simplest option corresponds to half-cycles pulses in the sudden regime, for ...
Making the best of mixed-field orientation of polar molecules: A recipe for achieving adiabatic dynamics in an electrostatic field combined with laser pulses
mixed-field orientation of polar molecules recipe adiabatic dynamics electrostatic field laser pulses Chemical Physics
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2012/4/24
We have experimentally and theoretically investigated the mixed-field orientation of rotational-state-selected OCS molecules and we achieve strong degrees of alignment and orientation. The applied mod...
Perturbed stellar motions around the rotating black hole in Sgr A* for a generic orientation of its spin axis
Perturbed stellar motions rotating black hole generic orientation spin axis
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2011/10/17
Empirically determining the averaged variations of the orbital parameters of the stars orbiting the Supermassive Black Hole (SBH) hosted by the Galactic Centre (GC) in Sgr A* is, in principle, a valua...
3D Imaging of a Phase Object from a Single Sample Orientation Using an Optical Laser
3D Imaging Single Sample Orientation Optical Laser
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2011/8/4
Abstract: We acquire coherent diffraction patterns of a microscale phase object at a single sample orientation by using an optical laser. The diffraction patterns are projected onto a spherical shell ...
Perturbed stellar motions around the rotating black hole in Sgr A* for a generic orientation of its spin axis
Classical general relativity Experimental tests of gravitational theories Black holes Physics of black holes Satellite orbits
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2011/8/17
Abstract: Empirically determining the averaged variations of the orbital parameters of the stars orbiting the Supermassive Black Hole (SBH) hosted by the Galactic Centre (GC) in Sgr A* is, in principl...