concentration boundary
81SDS-PAGE — PAGE redirects here. For other uses, see Page (disambiguation). Picture of an SDS PAGE. The molecular marker is in the left lane SDS PAGE, sodium dodecyl sulfate polyacrylamide gel electrophoresis, describes a collection of related techniques… …
82Critical point (thermodynamics) — Carbon dioxide creating a fog when cooling from supercritical to critical temperature In physical chemistry, thermodynamics, chemistry and condensed matter physics, a critical point, also called a critical state, specifies the conditions… …
83South Side (Chicago) — The South Side is a major part of the City of Chicago, which is located in Cook County, Illinois, United States. Much of it has evolved from the city s incorporation of independent townships, such as Hyde Park Township which voted along with… …
84Glossary of environmental science — This is a glossary of environmental science.Environmental science is the study of interactions among physical, chemical, and biological components of the environment. Environmental science provides an integrated, quantitative, and… …
85centrifuge — centrifugation /sen trif yeuh gay sheuhn, trif euh /, n. /sen treuh fyoohj /, n., v., centrifuged, centrifuging. n. 1. an apparatus that rotates at high speed and by centrifugal force separates substances of different densities, as milk and cream …
86inland water ecosystem — ▪ biology Introduction complex of living organisms in free water on continental landmasses. Inland waters represent parts of the biosphere within which marked biological diversity, complex biogeochemical pathways, and an array of… …
87pre-Columbian civilizations — Introduction the aboriginal American Indian (Mesoamerican Indian) cultures that evolved in Meso America (part of Mexico and Central America) and the Andean region (western South America) prior to Spanish exploration and conquest in the 16th …
88solids, mechanics of — ▪ physics Introduction science concerned with the stressing (stress), deformation (deformation and flow), and failure of solid materials and structures. What, then, is a solid? Any material, fluid or solid, can support normal forces.… …
89Nazi–Soviet economic relations (1934–1941) — After the Nazis rose to power in Germany in 1933, relations between Germany and the Soviet Union began to deteriorate rapidly, and trade between the two countries decreased. Following several years of high tension and rivalry, Nazi Germany and… …
90Metabolic control analysis — (MCA) is a mathematical framework for describing metabolic, signaling and genetic pathways. MCA quantifies how variables, such as fluxes and species concentrations, depend on network parameters. In particular it is able to describe how network… …
