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Suspension of a circle.The original space is in blue, and the collapsed end points are in green. In topology, a branch of mathematics, the suspension of a topological space X is intuitively obtained by stretching X into a cylinder and then collapsing both end faces to points.
The difference in mass density between the colloidal particles of mass density and the medium of suspension of mass density , and the diameter of the particles, have an influence on the value of . As an example, consider a colloidal suspension of polyethylene particles in water, and three different values for the diameter of the particles: 0.1 ...
In the technical terminology of gemology, dispersion is the difference in the refractive index of a material at the B and G (686.7 nm and 430.8 nm) or C and F (656.3 nm and 486.1 nm) Fraunhofer wavelengths, and is meant to express the degree to which a prism cut from the gemstone demonstrates "fire". Fire is a colloquial term used by ...
Electron trajectories in an ARPES spectrometer electrostatic lens shown in the plane of angular dispersion. The instrument shows a certain degree of focusing on the same detection channel of the electrons leaving the crystal at the same angle but originating from two separate spots on the sample.
A French court found all 51 defendants guilty on Thursday in a mass rape case including Dominique Pelicot, who repeatedly drugged his then wife, Gisele, and allowed dozens of strangers into the ...
A Colorado school bus driver allegedly abandoned 40 elementary school-aged students at the wrong stop on Monday, leaving them frightened in the cold and dark, school officials and students say.
The Relationship Between Coffee and Weight Loss. Coffee's impact on weight loss is a topic of ongoing research, with some promising findings, but no magic bullet solution. Here's a breakdown of ...
In addition to the geometry-dependent and material-dependent dispersion relations, the overarching Kramers–Kronig relations describe the frequency-dependence of wave propagation and attenuation. Dispersion may be caused either by geometric boundary conditions (waveguides, shallow water) or by interaction of the waves with the transmitting medium.