Shell model — In nuclear physics, the nuclear shell model is a model of the atomic nucleus which uses the Pauli principle to describe the structure of the nucleus in terms of energy levels. The model was developed in 1949 following independent work by several… … Wikipedia
Proton exchange membrane fuel cell — Diagram of a PEM fuel cell Proton exchange membrane fuel cells, also known as polymer electrolyte membrane (PEM) fuel cells (PEMFC), are a type of fuel cell being developed for transport applications as well as for stationary fuel cell… … Wikipedia
Proton Arena — Infobox Automobile An upmarket Fastback Proton Arena. name=Proton Arena aka=Proton Jumbuck manufacturer=Proton class=Pickup truck production=2002 present predecessor= body style=2 door coupé utility similar= Subaru Brumby Ford Bantam Opel Corsa… … Wikipedia
shell nuclear model — ▪ physics description of nuclei of atoms by analogy with the Bohr atomic model of electron energy levels. It was developed independently in the late 1940s by the American physicist Maria Goeppert Mayer (Mayer, Maria Goeppert) and the German … Universalium
Proton Code Editor — phase 5 Ulli Meybohms HTML Editor phase 52 (Release: 21. Jan 2000) Basisdaten Entwickler: Hans Dieter Berretz (aktuell) Ulli Meybohm … Deutsch Wikipedia
Nuclear shell model — In nuclear physics and nuclear chemistry, the nuclear shell model is a model of the atomic nucleus which uses the Pauli exclusion principle to describe the structure of the nucleus in terms of energy levels.[1] The first shell model was proposed… … Wikipedia
Ununquadium — (pronEng|ˌjuːnənˈkwɒdiəm [ [http://reference.aol.com/columbia/ a/ununquadium/20051207161909990014 ununquadium AOL Research Learn ] ] or IPA|/ˌʌnənˈkwɒdiəm/ [ [http://dictionary.reference.com/browse/ununquadium ununquadium Definitions from… … Wikipedia
Hassium — (pronEng|ˈhæsiəm or IPA|/ˈhɑːsiəm/ [ [http://dictionary.reference.com/browse/hassium hassium Definitions from Dictionary.com ] ] ) is a synthetic element in the periodic table that has the symbol Hs and atomic number 108. Hassium oxidizes… … Wikipedia
Nuclear structure — Physics portal This page is an adapted translation of the corresponding fr:Structure nucléaire As will be noted, there remain void paragraphs, as on the original (which provides no sources). Competent Wikipedians are welcom … Wikipedia
Unbihexium — | Unbihexium (pronEng|ˌʌnbɪˈhɛksiəm) is an unknown chemical element with atomic number 126 and symbol Ubh. It is of interest because it is in the hypothesized island of stability. History The first attempt to synthesize element 126 was performed… … Wikipedia