Related Words

Diffraction: A change in the direction and velocity of a wave front that is caused by the wave moving past an obstacle.

X-Ray Diffraction Pattern: Interference patterns created by x-rays as they pass through a solid material. Studying x-ray diffraction patterns gives detailed information on the three-dimensional structure of crystals, . . . View Full Definition

X-Ray Diffraction: Technique utilized to study atomic structure of crystalline substances by noting the patterns produced by x-rays shot through the crystal.

Diffraction Grating: Optical attachment that separates light into its constituent colors.

Apodization: Lens treatment designed to cut down diffraction fringes that appear around the images bright points of light.

Thon Rings: rings visible in the power spectrum of micrographs obtained by bright-field electron microscopy. These rings can be explained as the effect of the contrast transfer function, which modulates . . . View Full Definition

Drift: The number of boards that you vary from straight in your approach to the foul line. For example, if you place the inside edge of your slide foot on board 15 on the approach, but your inside . . . View Full Definition

Berkelium (Bk): Atomic number: 97, Atomic mass: (247) g.mol -1, Electronegativity: unknown, Density: 14 g.cm3 at 20°C, Melting point: unknown, Boiling point: unknown, Vanderwaals radius: unknown, Ionic radi . . . View Full Definition

Spectrum: A range of frequencies available for over-the-air transmission.

X-Ray Crystallography: Determination of three dimensional arrangement of atoms in a crystal by analysis of x-ray diffraction patterns.