Porous
121Pebble bed reactor — Sketch of a pebble bed reactor in Italian …
122Tufa — Not to be confused with tuff, a porous volcanic rock. This article is about the geological formation. For the historic Chinese name, see Southern Liang. Tufa columns at Mono Lake, California Tufa is a variety of limestone, formed by the… …
123Darcy's law — is a phenomenologically derived constitutive equation that describes the flow of a fluid through a porous medium. The law was formulated by Henry Darcy based on the results of experiments[1] on the flow of water through beds of sand. It also… …
124Low-K — In semiconductor manufacturing, a Low κ dielectric is a material with a small dielectric constant relative to silicon dioxide. Although the proper symbol for the dielectric constant is the Greek letter κ (kappa), in conversation such materials… …
125Mesoporous material — A mesoporous material is a material containing pores with diameters between 2 and 50 nm. Porous materials are classified into several kinds by their size. According to IUPAC notation[1], microporous materials have pore diameters of less than …
126Metal foam — Foamed aluminium A metal foam is a cellular structure consisting of a solid metal, frequently aluminium, containing a large volume fraction of gas filled pores. The pores can be sealed (closed cell foam), or they can form an interconnected… …
127Immergutrocken — Festivalgelände Das Immergut Festival ist ein deutsches Musikfestival in Neustrelitz, Mecklenburg Vorpommern. Es findet seit dem Jahre 2000 jährlich meist am letzten Maiwochenende statt. Die Initiatoren des Festivals, im gemeinnützigen Verein… …
128metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …
