mechanical treatment
41Dihydrogen cation — The hydrogen molecular ion, dihydrogen cation, or H2+, is the simplest molecular ion. It is composed of two positively charged protons and one negatively charged electron, and can be formed from ionization of a neutral hydrogen molecule. It is of …
42Sinusoidal plane-wave solutions of the electromagnetic wave equation — Sinusoidal plane wave solutions are particular solutions to the electromagnetic wave equation.The general solution of the electromagnetic wave equation in homogeneous, linear, time independent media can be written as a linear superposition of… …
43Fire ecology — The Old Fire burning in the San Bernardino Mountains (image taken from the International Space Station) Fire ecology is concerned with the processes linking the natural incidence of fire in an ecosystem and the ecological effects of this fire.… …
44Bohr model — In atomic physics, the Bohr model created by Niels Bohr depicts the atom as a small, positively charged nucleus surrounded by electrons that travel in circular orbits around the nucleus mdash;similar in structure to the solar system, but with… …
45List of waste management acronyms — The following article contains a list of acronyms used in the waste management industry. [ [http://www.ciwm.co.uk/mediastore/FILES/11384.doc Waste management jargonyms] CIWM website, Accessed 9/11/06] [ [http://www.environment… …
46Edward Teller — The native form of this personal name is Teller Ede. This article uses the Western name order. Edward Teller Edward Teller in 1958 as Director of the Lawrence Livermore Nat …
47Stark effect — The Stark effect is the shifting and splitting of spectral lines of atoms and molecules due to the presence of an external static electric field. The amount of splitting and or shifting is called the Stark splitting or Stark shift. In general one …
48Henry Gassett Davis — (November 4 1807, Trenton, Maine – November 18 1896, Everett, Massachusetts) was an orthopedic surgeon.He founded the traction school of orthopedic surgery and created the first splint for traction and protection of the hip joint.Henry was a… …
49Laplace–Runge–Lenz vector — Throughout this article, vectors and their magnitudes are indicated by boldface and italic type, respectively; for example, left| mathbf{A} ight| = A. In classical mechanics, the Laplace–Runge–Lenz vector (or simply the LRL vector) is a vector… …
50Old quantum theory — Quantum mechanics Uncertainty principle …
