refractive modulus
11Poly(methyl methacrylate) — This article is about the transparent plastic sometimes called acrylic glass. For the glass/plastic laminate often called safety glass , see laminated glass. Poly(methyl methacrylate) …
12List of materials properties — A material s property is an intensive, often quantitative property of a material, usually with a unit that may be used as a metric of value to compare the benefits of one material versus another to aid in materials selection. A material property… …
13Contact lens — Contacts redirects here. For the software application, see Address book. A pair of contact lenses, positioned with the concave side facing upward …
14Calculus of variations — is a field of mathematics that deals with extremizing functionals, as opposed to ordinary calculus which deals with functions. A functional is usually a mapping from a set of functions to the real numbers. Functionals are often formed as definite …
15Cerium — lanthanum ← cerium → praseodymium ↑ Ce ↓ Th …
16Niobium — zirconium ← niobium → molybdenum V ↑ Nb ↓ Ta …
17Boron nitride — IUPAC name Boron nitride Identifiers …
18Helium — otherusesHelium (He) is a colorless, odorless, tasteless, non toxic, inert monatomic chemical element that heads the noble gas group in the periodic table and whose atomic number is 2. Its boiling and melting points are the lowest among the… …
19Silicon nitride — Preferred IUPAC name Silicon nitride …
20Nd:YAG laser — with lid open showing frequency doubled 532 nm green light Nd:YAG laser rod …
