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2,5-Diformylbenzene-1,4-diol: A Versatile Building Block for the
... The byproduct 4 crystallizes from CH 2 Cl2 (monoclinic space group C2/c, Fig. 4). There are one molecule of 4 and half a solvent molecule in the asymmetric unit. The X-ray crystal structure analysis fully confirms our interpretation of the NMR spectra in that 4 contains an aldehyde group together wi ...
... The byproduct 4 crystallizes from CH 2 Cl2 (monoclinic space group C2/c, Fig. 4). There are one molecule of 4 and half a solvent molecule in the asymmetric unit. The X-ray crystal structure analysis fully confirms our interpretation of the NMR spectra in that 4 contains an aldehyde group together wi ...
Ultraluminous X-ray Sources in Andromeda Galaxy
... Ultraluminous X-ray sources are believed to be associated with X-ray binaries, in which an accreting black hole generates X-ray luminosities in excess of 1039 erg/s. The nature of the companion star and the underlying physics of the accretion process is not yet established with certainty. In particu ...
... Ultraluminous X-ray sources are believed to be associated with X-ray binaries, in which an accreting black hole generates X-ray luminosities in excess of 1039 erg/s. The nature of the companion star and the underlying physics of the accretion process is not yet established with certainty. In particu ...
THE FREE ENERGIES OF FORMATION OF AQUEOUS d
... Parks, and Huffman (4). This method is based on actual experimental heat capacity measurements to very low temperatures. The values we have used for the heats of formation of water and carbon dioxide and the values for the enOropies of the elements are given in Table I. It is obvious that the value ...
... Parks, and Huffman (4). This method is based on actual experimental heat capacity measurements to very low temperatures. The values we have used for the heats of formation of water and carbon dioxide and the values for the enOropies of the elements are given in Table I. It is obvious that the value ...
I. IONIZATION OF CESIUM AT SURFACES II. THE ENERGY
... in an energy-conversion diode, the ratio of the emitter temperature to the cesium temperature strongly influences the operating properties. If this ratio exceeds 3. 2, an ionrich sheath usually forms at the emitter surface. Electrons are accelerated in the plasma space by this injection potential. A ...
... in an energy-conversion diode, the ratio of the emitter temperature to the cesium temperature strongly influences the operating properties. If this ratio exceeds 3. 2, an ionrich sheath usually forms at the emitter surface. Electrons are accelerated in the plasma space by this injection potential. A ...
Inertial fusion advance towards ignition
... t=400fs. TNSA and shock acceleration for lower density target (d-f) are more effective than that for higher density target (a-c). However, for higher density target, TNSA of proton beam becomes more effective and the collimation is better, though the efficiency of both mechanisms decreases with dens ...
... t=400fs. TNSA and shock acceleration for lower density target (d-f) are more effective than that for higher density target (a-c). However, for higher density target, TNSA of proton beam becomes more effective and the collimation is better, though the efficiency of both mechanisms decreases with dens ...
white dwarf
... – more astrophysics in the post-shock flow models (such as the separation of electron and ion fluids) • Combinations of high quality data (e.g. eclipse mapping of spectra) and new astrophysical fluid computations will transform the field and allow ever more intricate understandings of accretion phen ...
... – more astrophysics in the post-shock flow models (such as the separation of electron and ion fluids) • Combinations of high quality data (e.g. eclipse mapping of spectra) and new astrophysical fluid computations will transform the field and allow ever more intricate understandings of accretion phen ...
Chapter 4: Chemical Reaction Dynamics
... Br2 → KBr + Br rtue ofExample the cylindrical symmetry about the initial ve velocity vector. The absolute normalization of Reaction long-range ifferential reactiveinitiated scatteringby cross section, electron transfer from K to Br2 at a ...
... Br2 → KBr + Br rtue ofExample the cylindrical symmetry about the initial ve velocity vector. The absolute normalization of Reaction long-range ifferential reactiveinitiated scatteringby cross section, electron transfer from K to Br2 at a ...
Low-energy charged particle measurement by MAP-PACE onboard SELENE
... has a regional dependence (Criswell, 1973). It is therefore thought that there is a weak but significant magnetic field anomaly on the surface of the Moon and that this deflects the solar wind particles and varies the degree of compression (Lin et al., 1998). It is of primary importance to study the ...
... has a regional dependence (Criswell, 1973). It is therefore thought that there is a weak but significant magnetic field anomaly on the surface of the Moon and that this deflects the solar wind particles and varies the degree of compression (Lin et al., 1998). It is of primary importance to study the ...
1- - International Journal of ChemTech Research
... evaluated by subtracting from the energy of the complex the energy of the neutral and that of Ni2+, after including the corresponding ZPE corrections scaled by a factor of 0.9806 [13]. Enthalpies and Gibbs free energies have been evaluated by considering the thermal corrections at 298.15 K and the v ...
... evaluated by subtracting from the energy of the complex the energy of the neutral and that of Ni2+, after including the corresponding ZPE corrections scaled by a factor of 0.9806 [13]. Enthalpies and Gibbs free energies have been evaluated by considering the thermal corrections at 298.15 K and the v ...
Lab 1
... If there are 2.62 1022 atoms in 1.00 g of sodium and they are lined up side by side, what is the length of the line of sodium atoms in miles? Assume that the atoms are spheres of radius 0.186 nm. ...
... If there are 2.62 1022 atoms in 1.00 g of sodium and they are lined up side by side, what is the length of the line of sodium atoms in miles? Assume that the atoms are spheres of radius 0.186 nm. ...
Metastable inner-shell molecular state
![](https://commons.wikimedia.org/wiki/Special:FilePath/MIMS_Illustration_-_Final.jpg?width=300)
Metastable Innershell Molecular State (MIMS) is a class of ultra-high-energy short-lived molecules have the binding energy up to 1,000 times larger and bond length up to 100 times smaller than typical molecules. MIMS is formed by inner-shell electrons that are normally resistant to molecular formation. However, in stellar conditions, the inner-shell electrons become reactive to form molecular structures (MIMS) from combinations of all elements in the periodic table. MIMS upon dissociation can emit x-ray photons with energies up to 100 keV at extremely high conversion efficiencies from compression energy to photon energy. MIMS is predicted to exist and dominate radiation processes in extreme astrophysical environments, such as large planet cores, star interiors, and black hole and neutron star surroundings. There, MIMS is predicted to enable highly energy-efficient transformation of the stellar compression energy into the radiation energy.The right schematic illustration shows the proposed four stages of the K-shell MIMS (K-MIMS) formation and x-ray generation process. Stage I: Individual atoms are subjected to the stellar compression and ready for absorbing the compression energy. Stage II: The outer electron shells fuse together under increasing ""stellar"" pressure. Stage III: At the peak pressure, via pressure ionization K-shell orbits form the K-MIMS, which is vibrationally hot and encapsulated by a Rydberg-like pseudo-L-Shell structure. Stage IV: The K-MIMS cools down by ionizing (""boiling-off"") a number of pseudo-L-shell electrons and subsequent optical decay by emitting an x-ray photon. The dissociated atoms return their original atoms states and are ready for absorbing the compression energy.MIMS also can be readily produced in laboratory and industrial environments, such as hypervelocity particle impact, laser fusion and z-machine. MIMS can be exploited for highly energy-efficient production of high intensity x-ray beams for a wide range of innovative applications, such as photolithography, x-ray lasers, and inertial fusion.