silicon substance
111Phosphorus — This article is about the chemical element. For other uses, see Phosphorus (disambiguation). silicon ← phosphorus → sulfur …
112Dielectric strength — In physics, the term dielectric strength has the following meanings: Of an insulating material, the maximum electric field strength that it can withstand intrinsically without breaking down, i.e., without experiencing failure of its insulating… …
113Crystal structure — In mineralogy and crystallography, crystal structure is a unique arrangement of atoms or molecules in a crystalline liquid or solid. A crystal structure is composed of a pattern, a set of atoms arranged in a particular way, and a lattice… …
114Jöns Jakob Berzelius — Infobox Scientist name = J. J. Berzelius |225px caption = Jöns Jacob Berzelius (1779 1848) birth date = birth date|1779|8|20|df=y birth place = Väversunda, Östergötland, Sweden death date = death date|1848|8|7|df=y (aged 68) death place =… …
115Refining — (also called affining) is the process of purification of a substance. The term is usually used of a natural resource that is almost in a usable form, but which is more useful in its pure form. For instance, most types of natural petroleum will… …
116Arnold Orville Beckman — Infobox Scientist name=Arnold Orville Beckman caption= birth date=birth date|1900|4|10|df=y birth place=Cullom, Illinois death date=death date and age|2004|5|18|1900|4|10|df=y death place=La Jolla, California nationality=American alma… …
117Abrasive — An abrasive is a material, often a mineral, that is used to shape or finish a workpiece through rubbing which leads to part of the workpiece being worn away. While finishing a material often means polishing it to gain a smooth, reflective surface …
118Sandman (Marvel Comics) — Superherobox caption=Sandman Art by Mark Bagley comic color=background:#ff8080 character name=Sandman real name= William Baker publisher=Marvel Comics debut= Amazing Spider Man #4 (September, 1963) creators=Stan Lee Steve Ditko alliance… …
119Aerogel — is a low density solid state material derived from gel in which the liquid component of the gel has been replaced with gas. The result is an extremely low density solid with several remarkable properties, most notably its effectiveness as a… …
120Colonization of the Moon — Lunar outpost redirects here. For NASA s plan to construct an outpost between 2012 and 2024, see Lunar outpost (NASA). Moonbase redirects here. For other uses, see Moonbase (disambiguation). 1986 artist concept The colonization of the Moon is the …
