Results 291 to 300 of about 2,988,824 (344)
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Crystal-to-Crystal Photodimerizattons
Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals, 1994Abstract Most [2+2 photodimerizations proceed heterogeneously, i.e. at a certain conversion phase separation occurs which leads to the destruction of the parent crystal. The crystal fragmentation can be avoided by irradiation in the long wavelength tail of the absorption.
Enkelmann, V. +3 more
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Journal of Structural Biology, 2003
AbstractFor Abstract see ChemInform Abstract in Full Text.
Barbara L, Golden, Craig E, Kundrot
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AbstractFor Abstract see ChemInform Abstract in Full Text.
Barbara L, Golden, Craig E, Kundrot
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The European Physical Journal D - Atomic, Molecular and Optical Physics, 1998
Numerical simulations of the equations of motion of 300 charged particles confined to a plane with an additional magnetic field orthogonal to the plane reproduce recently observed self-organization of non-neutral plasmas into a small number of interacting vortices. In the presence of damping we observe crystallized vortices, i.e.
B. Reusch, R. Blümel
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Numerical simulations of the equations of motion of 300 charged particles confined to a plane with an additional magnetic field orthogonal to the plane reproduce recently observed self-organization of non-neutral plasmas into a small number of interacting vortices. In the presence of damping we observe crystallized vortices, i.e.
B. Reusch, R. Blümel
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Crystal Design and Crystal Engineering
Angewandte Chemie International Edition, 2003No abstract.
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‘‘Hall crystal’’ versus Wigner crystal
Physical Review B, 1989We consider the possibility of coexistence of the quantized Hall effect (QHE) and a weak charge-density wave. For suitably chosen interactions between the fermions, there is a crystalline ordered state (''Hall crystal'') exhibiting QHE. Unlike the standard Wigner crystal, the energy of the Hall crystal does not have a cusp minimum when the fermion ...
, Teanovic, , Axel, , Halperin
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Clinical Eye and Vision Care, 2000
A limited number of conditions are associated with corneal crystals. This clinical challenge discusses a patient who presented with fine, refractile, crystalline deposits throughout the entire depth of corneal stroma in a limbal to limbal pattern. The differential diagnoses of corneal crystals are presented and discussed, along with the causative ...
, Easter, , Yong Song C
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A limited number of conditions are associated with corneal crystals. This clinical challenge discusses a patient who presented with fine, refractile, crystalline deposits throughout the entire depth of corneal stroma in a limbal to limbal pattern. The differential diagnoses of corneal crystals are presented and discussed, along with the causative ...
, Easter, , Yong Song C
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Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials, 2022
A personal view is offered on various solved and open problems related to crystal structures: the present state of reconstructing the crystal electron density from X-ray diffraction data; characterization of atomic and molecular motion from a combination of atomic displacement parameters and quantum chemical calculations; Bragg diffraction and diffuse ...
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A personal view is offered on various solved and open problems related to crystal structures: the present state of reconstructing the crystal electron density from X-ray diffraction data; characterization of atomic and molecular motion from a combination of atomic displacement parameters and quantum chemical calculations; Bragg diffraction and diffuse ...
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Journal of Lightwave Technology, 2003
Photonic crystal fibers guide light by corralling it within a periodic array of microscopic air holes that run along the entire fiber length. Largely through their ability to overcome the limitations of conventional fiber optics—for example, by permitting low-loss guidance of light in a hollow core—these fibers are proving to have a multitude of ...
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Photonic crystal fibers guide light by corralling it within a periodic array of microscopic air holes that run along the entire fiber length. Largely through their ability to overcome the limitations of conventional fiber optics—for example, by permitting low-loss guidance of light in a hollow core—these fibers are proving to have a multitude of ...
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2007
X-ray crystallography is a powerful method for obtaining the three-dimensional structures of biological macromolecules and macromolecular complexes. Improvements in protein production, crystallization, data collection, as well as structure solution and refinement methods have brought the field to the verge of rapid high-throughput genomic scale ...
Champion, Deivanayagam +2 more
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X-ray crystallography is a powerful method for obtaining the three-dimensional structures of biological macromolecules and macromolecular complexes. Improvements in protein production, crystallization, data collection, as well as structure solution and refinement methods have brought the field to the verge of rapid high-throughput genomic scale ...
Champion, Deivanayagam +2 more
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Journal of Applied Mechanics, 1983
Significant progress has been made during the past decade in incorporating micromechanics in continuum descriptions of inelastic deformation. This has led to the development of a rather comprehensive constitutive theory for rate-dependent and idealized rate-independent crystalline materials that deform plastically by crystalline slip.
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Significant progress has been made during the past decade in incorporating micromechanics in continuum descriptions of inelastic deformation. This has led to the development of a rather comprehensive constitutive theory for rate-dependent and idealized rate-independent crystalline materials that deform plastically by crystalline slip.
openaire +1 more source