“dichroism”的概念、定义、翻译、参考文献-科学参考

dichroism

Physics

The property of some crystals, such as tourmaline, of selectively absorbing light vibrations in one plane while allowing light vibrations at right angles to this plane to pass through. Polaroid is a synthetic dichroic material. See polarization.

Chemistry

A property of certain materials that splits light into two different wavelengths or polarizations. In such materials, light travelling in different directions or polarization states is absorbed differently. Polaroid is an example of a dichroic material and tourmaline of a dichroic crystal. Dichroism also occurs in liquid crystals. Linear dichroism (LD), sometimes called diattenuation, is a property of a material in which there is a difference between the absorption of light that is polarized parallel to the axis of orientation and light that is polarized perpendicular to this axis. Linear dichroism is used to study molecules of biological interest such as DNA. See also circular dichroism; pleochroic; polarization.

Geology and Earth Sciences

The property some minerals have of absorbing more light in one vibration direction than in another, and consequently of giving different colours in two different vibration directions. It is a form of pleochroism and is expressed by giving the colours for each of the two vibration directions.

单词	dichroism
释义	dichroism Physics The property of some crystals, such as tourmaline, of selectively absorbing light vibrations in one plane while allowing light vibrations at right angles to this plane to pass through. Polaroid is a synthetic dichroic material. See polarization. Chemistry A property of certain materials that splits light into two different wavelengths or polarizations. In such materials, light travelling in different directions or polarization states is absorbed differently. Polaroid is an example of a dichroic material and tourmaline of a dichroic crystal. Dichroism also occurs in liquid crystals. Linear dichroism (LD), sometimes called diattenuation, is a property of a material in which there is a difference between the absorption of light that is polarized parallel to the axis of orientation and light that is polarized perpendicular to this axis. Linear dichroism is used to study molecules of biological interest such as DNA. See also circular dichroism; pleochroic; polarization. Geology and Earth Sciences The property some minerals have of absorbing more light in one vibration direction than in another, and consequently of giving different colours in two different vibration directions. It is a form of pleochroism and is expressed by giving the colours for each of the two vibration directions.
随便看	functionally separable functional magnetic resonance imaging functional morphology functional neuroimaging functional packing density functional partitioning functional region functional specification functional testing functional trait functional unit function, biological function generator function key function, logical function of a function function point analysis function space functor fundamental fundamental analysis fundamental catalogue fundamental constants fundamental dimensions fundamental disequilibrium