production rate decrease
31materials science — the study of the characteristics and uses of various materials, as glass, plastics, and metals. [1960 65] * * * Study of the properties of solid materials and how those properties are determined by the material s composition and structure, both… …
32chemical element — Introduction also called element, any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed. This article considers the… …
33radioactivity — /ray dee oh ak tiv i tee/, n. Physics, Chem. the phenomenon, exhibited by and being a property of certain elements, of spontaneously emitting radiation resulting from changes in the nuclei of atoms of the element. Also called activity. [1895… …
34Sid Meier's Colonization — For the 2008 remake, see Civilization IV: Colonization. Sid Meier s Colonization Developer(s) MicroProse …
35Urban agriculture — and Peri Urban Agriculture is the practice of cultivating, processing and distributing food in, or around (peri urban), a village, town or city. [Bailkey, M. and J. Nasr. 2000. From Brownfields to Greenfields: Producing Food in North American… …
36Rolls-Royce Merlin — Merlin The Rolls Royce Merlin …
37Cystatin C — PDB rendering based on 1r4c …
38Saint Petersburg — Leningrad redirects here. For other uses, see Leningrad (disambiguation). This article is about the city in Russia. For other uses, see Saint Petersburg (disambiguation). Saint Petersburg Санкт Петербург (Russian)   Federal …
39Economy of North Carolina — North Carolina s 2010 total gross state product was $424.9 billion. In 2011 the civilian labor force was at around 4.5 million with employment near 4.1 million. The working population is employed across the major employment sectors. The economy… …
40Codelco — Type Government owned Industry Mining Founded (1955) Headquarters …
